HP 651B Service manual

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OPERATING

(HP

AN

PART

D

SERVIC'E

NO.

00651-90004)

MAN

UAL

MODEL

TEST

SERIALS

651B

OSCILLATOR

PREFIXED:

647-

01810-1

Copyright

P.O.

Box 301,

Hewlett-Packard

Loveland,

Colorado,

Company

80537

1966

U.S.A.

Printed:

OCT

1966

Model651B

TableofContents

Section I GENERAL INFORMATION .

1-1.

Description. 1-5.Accessories 1-7. 1-8. 1-10. 1-12.

Options

Instrument

... Option 01 Option 02

Identification.

Section

n INSTALLATION .

2-1.

Inspection

2-3.

Power

2-5.

Three-Conductor

2-8.

Installation.

2-10.

Rack/Bench

2-12.

Repackaging

Section

ill

OPERATING 3-1.

Introduction

3-3.

Controls

3-5.

AdjustmentofMechanical

3-7.

Operation.

Section IV

THEORYOFOPERATION 4-1.

General

4-3.

Circuit 4-5. 4-13. 4-17. 4-19.

4-21. 4-24.

Oscillator

Peak Power Monitor Output

Regulated

Section V MAINTENANCE .

5-1.

Introduction

5-3.

Required

5-5.

Performance 5-7. 5-8. 5-9.

Dial Output Output

. . . . . .

Requirements.

Power

. .

Installation.

for

Shipment

INSTRUCTIONS

.••...

and

Indicators

. . . . . . . . . . .

Description

Circuit.

Detector

..

Amplifier

Circuit

..

Attenuator

Power

. . • . . . .

Test

Equipment

Checks

Accuracy

Monitor Voltage

Check.

• .

Supply

...

Cable

Zero

TABLE

Page

OF

1-1 1-1 1-1 1-1 1-1 1-1 1-1

2-1 2-1 2-1 2-1 2-1 2-1 2-1

3-1 3-1 3-1 3-1 3-1

4-1

4-1 4-1 4-1 4-2 4-2 4-2 4-2 4-3

5-1 5-1 5-1 5-1 5-1 5-2 5-2

CONTENTS

Section V MAINTENANCE (Cont'd)

5-10. 5-11. 5-12. 5-13. 5-14. 5-15.

Output Monitor Frequency Distortion Attenuation

Adjustment

Impedance

Procedure 5-17. 5-20. 5-21. 5-22.

Cover

Removal.

Power

Supply Voltage Frequency X100, X1K, and XlOK

Frequency 5-23. 5-24.

X10 X1M

Range

Calibration 5-25.

X100K

Range

Calibration 5-26. 5-27. 5-30. 5-31. 5-32. 5-37. 5-39. 5-41. 5-43.

10 MHz Output

Adjustment Minimum Output

Monitor

Troubleshooting

Troubleshooting Servicing Servicing Servicing

Section

VI

CmCUIT 6-1.

DIAGRAMS.

Introduction.

Section

VII

REPLACEABLE

-1.

Introduction.

7 7-4. 7-6.

Ordering Non-Listed

Information

Appendix

OF

A CODE LIST

MANUFACTURERS

B SALES AND SERVICE

Flatness

Response

Check.

Check

and

Calibration.

.....

Dial

Calibration

Frequency

Flatness

Distortion

Etched Rotary Tuner

.

PARTS

Parts.

OFFICES

Check.

Check ..

Calibration

Frequency

Adjustment

Adjustment.

Calibration

Procedure.

Information.

Circuit Switches.

Assembly.

Adjustment

Range

. .

.

. .

Boards

. .

Page

5-2 5-2 5-3 5-3 5-4

5-4 5-4 5-4 5-4

5-7 5-7

5-7

5-8 5-8 5-8 5-9 5-9 5-9 5-9

.5-11

.5-12 .5-12

Page 6-1/6-2 6-1/6-2

Page

'1-1

7-1 7-1 7-1

Number

1-1.

Specifications.

1-2.

Accessories

5-1.

Required

5-2.

Dial

Accuracy

5-

3.

Monitor

Number 1-1.

Model 651B

3-1.

LocationofControls

3-2.

Impedance

4-1.

RC 4-2. 5-1. 5-2. 5-3. 5-4.

Network

Peak

Detector

Dial

Accuracy Output Monitor Distortion

Test

Flatness

Test

Correction

Characteristics

Monitor,

Flatness

Check

. . . . . .

Equipment. Test

. . .

Check.

Oscillator.

and

Graph

Circuit. Check

. . . .

Voltage

Check.

.

Indicators.

. . .

Check

.

LIST

OF

Page

1-0

1-1

5-0 5-1 5-3

OF

ILLUSTRATIONS

Page

1-0 3-0 3-2 4-1 4-2 5-1 5-2 5-3 5-3

TABLES

Number 5-4. 5-5.

7

-1.

Number 5-5. 5-6. 5-7. 5-8. 6-1. 6-2.

6-3. 7-1. 7-2.

Frequency Frequency

Resistors

Replaceable

Attenuation A2TP2

LocationofInternal Troubleshooting Block Oscillator Monitor

Response Range

....

Parts

Check

Test

Lead

Diagram.

Circuit

Check

Switch

. . . . . . . .

Connection . .

Adjustments

Tree

. . . . . .

. . . . . . . . . . .

and

Power FrequencyTuningAssembly Chassis

Mechanical

Parts.

Padding

6-4

Supply

. . .

and

5-10

..

6-5/6-6 6-7/6-8

Page

5-3 5-7

7-4

Page

5-4 5-5 5-6

6-3

7-2 7-3

iii

Section

I

Model 651B

Frequency

calibration:1to

Frequency

Flat

Range: 10 Hz to10MHz, 6

10.

Response:

within:

±2%

100 Hz to 1 MHz ±3%10Hzto100 Hz ±4%

1 MHz to10MHz*

Dial

Accuracy:

±10%

line

±2%,

(Including

voltage

variation).

100 Hz to 1 MHz

±3%,10Hzto100 Hz, 1 MHzto10

Output: 200

(3.16V)into 600

mW

(3.16V)

ohms;6.32

into50ohms;16mW

Attenuator:

Range: Overall

range;

90

dBin10dBsteps

Accuracy:

±O.2dB

±D.

. 1 mV

1 dB.3mV

Figure

warm-up

Vintoopen

range

1-1.

bands.

drift

to 3V

Model 651B

Table

and

MHz

circuit.

1-1.

Specifications

dial

Test

Oscillator

Amplitude

Control:

Output Monitor:

put of

attenuatorinvoltsordB. Top calibratedinvolts, in dB.

Accuracy:

Flatness:

Distortion:

less

and

Hum

rated

Less

than2%at10MHz.

Noise:

output.

Temperature

20dBrange

Voltmeter

±2%atfull

±1%atfull ±2%atfull

4 MHz

than

Less

monitors

bottom

scale

scale, scale.

20Hzto 10Hzto20Hz,

to10MHz

1%,10Hzto5 MHz,

than

0.05% of

Range: 00to+500C.

(nominal).

levelatin-

scale

calibrated

4 MHz

maximum

1-0

*This

put. The ohms

specification

applies

response

outputisaffected

above

onlyat50

1 MHzatthe

by

capacitive

ohm

out600

loads.

Power:

115V/230V

Dimensions:

deep

(132,6 x 425 x 336 mm).

5-7/32"

±10%,

high.

50

to 1000 Hz,

16-3/4"

wide.

30watts.

13-1/4"

01810-1

Model 651B

Section I

1-1.

DESCRIPTION.

1-2.

The torisa eringafrequency oscillator adjustable 600 in

Figure Table Model 651B

for

differences

Options 01 and 02.

1-3.

panel vides with The50ohm source

1-4. is

constantly byaninternal scales erencedto1 ATTENUATOR,inconjunction control, when

Hewlett-Packard

wide

range

capacitance-tuned

range

hasastable

from10microvoltsto3.16

ohms.

transmission

The Model 651B

1-1

and

the

1-1.

This

manualiswritten

Test

Oscillator;

between

Two output output an output

impedanceisdesired.

The

Model 651B

for

RMS voltage

providesamonitored

matched

impedances

connectors.

withanimpedance

lines

connector

monitoredatthe

voltmeter.

milliwatt

into a50or

Model 651B

from10Hzto10

sine-wave

Test

specifications

the

standard

The

and

many

providesanoutput

Test

Oscillator

The

readings

into50ohms.

600 ohm load.

GENERAL

Test

oscillator output Oscillatorisshown

for

refertoparagraph

instrument

are

providedatfront

600 ohm

thatiscompatible

distribution

input of

voltmeter

and

adBm

with

the

output of

Oscilla-

MHz.

signal

volts

into50or

are

given

the

standard

connector

systems.

where

output voltage the

attenuator

has

scale

The

OUTPUT

AMPLITUDE

desired

SECTION

INFORMATION

1-7.

cov-

The

that

1-7

and

pro-

a low-

two

ref-

level

is

in

1-8. 1-9.

Oscillator tor panel been the

1-10. OPTION 02. 1-11.

Oscillator ohms. referencedto1

1-12.

1-13. serial of with sheets between in

I

OPTIONS.

OPTION 01. Option 01isa

that

referencedto1

OUTPUT ATTENUATOR dBm

changedtocorrespond

600n

output

Option 02isa

that

has

Also,

INSTRUMENT

Hewlett-Packard

number

the

serial

those

supplied

this

manual.

the

(000-00000).

numberonyour

on

the

your

instrument

standard

has

the

milliwatt

connector

standard output output

milliwatt

title

with

the

dBm

(-80to+10

impedancesof75

monitor

into 75

IDENTIFICATION.

usesatwo-section

pageofthis

manual

and

-hp-

Model 651B

scaleofthe

into 600

with

the

-hp-

Model 651B

has

ohms.

If

the

first

instrument

manual,

will

define

the

Model 651B

output

ohms.

markings

signal

DBM).

ohms

the

dBm

eight-digit three do not

differences

described

Test

moni-

Thefront

have

level

at

Test

and 600

scale

digits

agree

change

1-5.

ACCESSORIES.

1-6.

Table

which

will

-hp-

Model10110A, Converts connectors.

-hp-

Model 11004A

Provides

from

1-2

containsalist

increase

single-ended

the

a BNC

fully

of

the

accessories

usefulnessofthe

BNCtoBindingPostAdapter:

connectortobinding

Line-Matching

balanced

135nor600n

input.

Model 651B.

Transformer:

Table

post

output

1-2.

1-14. instrument States.

Accessories

-hp-

If

Model 11005A Provides single-ended

Model 11048B Precision male

a

and

letter

was

fully

input.

50n

female

prefixes

manufactured

Line

balanced

Feed-Thru

feed-thru

BNC

the

Matching

600n

termination

connectors.

serial

Termination:

number,

outside

Transformer:

output

the

from

with

the

United

01810-1

1-1

Model651B

Section

IT

2-1.

INSPECTION.

2-2.

This

instrument

mechanically

and

electrically shouldbephysically perfect this,

damageintransit.

sories. instrument

graph warranty

2-3. 2-4.

230 Vac, converted the

so

the

ere,

electrical

the

instrument

order

Also,

and

test

the

using

the

5-5.Ifthereisdamageordeficiency,

on

the

inside

POWER

REQUIREMENT.S.

The Model 651B

50

- 1000 Hz.

from

115to230 volt

positionofthe

that

the

designation

nominal

slow-blow

slide

voltage of

fuseisused

operation.

2-5.

THREE-CONDUCTOR

2-6.

To Electrical mends ed.

that

All

protect

Manufacturers'

the

Hewlett-Packard

operating

instrument

withathree-conductor

ged intoanappropriate strument. prong

2-7. ing

the three-prong green

2-8. 2-9.

forenospecial instrument temperature

The

offset

connectoristhe

To

preserve

instrument

pigtailonthe

INSTALLATION.

the

fromatwo-contact

to

two-prong

adaptertoground.

The Model 651Bisfully

coolingisrequired.

should notbeoperated

exceeds

INSTALLATION

was

carefully

before

freeofmarsorscratches

upon

receipt.

shouldbeinspected

check

electrical

procedure

front

coverofthis

will

operate

The

instrument

operation

switch

locatedonthe

appearingonthe

the

power

for

POWER

personnel,

Association

panel

and

instruments

power

cable,

receptacle.

pinonthe

ground

wire.

protection

adapter

transistorized;

550C (131

o

inspected

shipment.

To

for

supplied

performance

outlined in

from

either canbeeasily

by changing

rear

switch

source.

both

A

115 and 230 volt

CABLE.

the

(NEMA)

cabinetbeground-

are

equipped

which, whenplug-

grounds

power

cable

feature

when

outlet,

and

connect

However,

where

F).

the

SECTION

both

It

and

in

confirm

physical

acces-

of

the

Para-

see

the

manual.

115

or

panel,

matches

0.4

amp-

National

recom-

the

in-

three-

operat-

use

a

the

there-

the

ambient

II

2-10. 2-11.

type type) version accomplishedbyusing instructions

2-12. 2-13.

for local B

If

RACK/BENCH

The

Model 651Bisinitially

instrument

with

plastic

(unless

feet

toarack-mounted

furnished

REPACKAGING

The

followingisa

shipment.Ifyou have any

-hp-

Sales

and

for

office

locations.

------NOTE-----

If

the

instrumentistobeshipped

to

Hewlett-Packard

or

repair,

strument,

and

indicating repairtobe the

model

number numberofthe correspondence, strumentbymodel

a.

number Place

and

instrument available. able,asuitable your

nearest

original

containerisnot

b.

Wrap before

c.

Use

instrument

placinginan

plenty of

sidesofinstrument

with

cardboard

d.

Place

instrument

heavy

carton

strong

e.

Mark

tapeormetal

shipping

strument,""Fragile"

INSTALLATION.

shippedasa

ordered

and a

specificallyasa

tilt

standinplace.

instrument

the

rack

mounting

with

your

instrument.

FOR

SHIPMENT.

general

guide

questions,

Service

Office. (See Appendix

)

for

service

attachatagtothe

identifying

the

service

accomplished;

and

full

serial

instrument.

identify

the

number,

serial

If

original

one

-hp-

Sales

number in

prefix.

original

containerisnot

canbepurchased

and

used,

in

heavy

inner

container.

packing

and

material

protect

strips.

and

inner

or

wooden box and

bands.

container

with

etc.

bench-

rack

Con-

can

be

kit

and

for

repackaging

contact

your

in-

owner

or

include

In

any

in-

serial

container. if

avail-

from

Service

Office.

paperorplastic

around

panel

container

"Delicate

seal

all

faces

in a

with

In-

01810-1

2-1

Section

ill

OUTPUT

ATTENUATOR

AMPLITUDE

VERNIER

Model65lB

®- 0

"''i

@D@

II

o I

~~--

-'@

~o

FREQUENCY Dial: within 'multiplied by quency of

CD

Output Monitor (M1):

CD

of Mechanical

CD

tortobe mentisoff,

each

frequency

range

the

instrument.

FREQUENCY RANGE Switch (S1):

one of

six

frequency

1 MHz.

the

test

oscillator

Zero

Adjust: Allows output

mechanically

Varies

settingisthe

ranges,

range.

Monitors

output.

zeroed,

output

Dial

from10Hz

when

0 0

frequency

reading

output

Selects

the

amplitude

instru-

fre-

•

to

moni-

0)

AMPLITUDE COARSE and FINE

Controls PUT

eD

FREQUENCY VERNIER:

frequency

o LINE

applies

lamp power.

amplitudeofsignal

ATTENUATOR.

adjustment

ON

Switch (S3) and

primary

glowstoindicate

powertoinstrument;

for

applicationofprimary

® 115/230 V Slide Switch (S4):

to

operate

either

fromaprimary

115 Vacor230 Vac.

Controls:

appliedtoOUT-

Providesafine

FREQUENCY

Pilot

Lamp:

Sets

power

Switch

instrument

source

dial.

pilot

of

3-0

OUTPUT ATTENUATOR: cillator

Output output 600(20

output in nine

Connectors

signal,atimpedance

(75n

and

stepsot10 dB

(J2

and

600n

on Opt. 02).

Attenuates

J3):

levelsof50n

Figure

test

os-

each.

Provides

3-1.

the

and

LocationofControls

@ FUSE

from

@

Primary

primary

and

(F1):.

0.4

overloads.

Power

powertotest

Indicators

amp

fuse

Connector

oscillator.

protects

(J1):

instrument

Connects

01810-1

Model 651B Section m

3-1.

INTRODUCTION.

3-2.

The

Model 651B stable pedance quency of and

the

sine

levels

output

wave

of 600

the

outputisvariable

power microvoltsto3.16 The

amplitudeofthe

output

3-4. of and

3-5.

3-6. the 651Bisin erating the output accuracy

monitor,

3-3.

CONTROLS

Figure

all

the

front

indicatorsonthe

ADJUSTMENT

The

output

meter

temperature,

monitorasfollows to obtain

and

a.

Turn

M1.

3-1

and

pointer

normal

mechanical

651B on and allowitto

output

identifies

Test

thatisavailableatoutput

ohms

level

volts

into 600

output

AND

INDICATORS.

rear

panel

Model 651B.

OF

monitorisproperly

rests

over

operating

andisturned

stability

least20minutes,tolet reach

normal

b.

Turn

651B off, and allow30seconds

operating

capacitorstodischarge.

c.

3-7.

3-8. as

follows:

a.

Insert point

and

over

OPERATION.

To

Connect

pen) into

rotate

zero.

operate

pointed

wheel

the

primary

object

recess

until

651B

(115/230V,50to1000 switchS4to

b.

Turn cator of

LINE

lamp

primary

proper

ON

switchtoON

will

glow,

power.

c. Set FREQUENCY RANGE

QUENCY

Dialtodesired

d. Set OUTPUT ATTENUATOR

voltage

range.

OPERATING

Oscillator and50ohms.

from10Hzto10

can

be

varied

or

50

willbeindicated

and

describes

controls,

MECHANICAL

zero-set

the

zero

mark,

positionatnormal

off.

operate

the

meter

temperature.

(suchastip

on

adjustment

meter

pointerisexactly

Test

Oscillator,

ac

power

position.

to

HZ),

and

position.

verifying

switch

output

switchtodesired

SECTION

generates

The

from

ohm

loads.

on

the

function

connectors,

ZERO.

when

and

Zero-set

maximum

for

movement

for

of

ball-

wheel,

proceed

651B

set

slide

Indi-

application

and

FRE-

frequency.

III

INSTRUCTIONS

e. Connect loadtooutput

a

imfreMHz,

10

the

op-

at

all

f.

g.

connector

impedance

Adjust put

voltage,

The

valueofthe

level The

output

plying

itor

which

AMPLITUDE

as

output

monitor,

in dBm

voltage

the

monitor

scale

multiplier

matches

indicated

impedance

controls

on output

Ml,

for

indicates

output voltage, and

for

resistive

loadsof50 levelisobtained by scale

readingsbythe

which

appears

desired

OUTPUT ATTENUATOR switch. following tion

651B output

other

equation

graphofFigure

power

than

those

markedonthe

and

3-2

level

the

impedance

to obtain

in dBm,

output

tors.

Output Voltage = RL+ R

X2V

S

Where,

R

= Load

L

R

=

S

V =Model 651B OutllutMonitorReading

m

Problem: 50

ohm output output volts, on actual of

monitor

with

the

1. 0 volt output

the

Model 651B.

Solution:

Resistance

(Terminating

sistance)

Source

Resistance

(Output

anceofOscillator

A 600 ohm loadisplaced

connector.

indicates

the

OUTPUT ATTENUATOR (+10,

dBm)

voltage

The

actual

The Model 651B

an

output of

range.

and

power

level

output voltageiscalcu-

latedasfollows:

Output Voltage = 600 +

600

50

X 2 (0.

1.66volts

The

indicated

dBm

for

the

3.0

volt

power

levelisthe

indicated factor of

obtained

Figure rectionof-10.8 ohm load. dBm [17.3 dBm +

an

output

power

3-2.

The

power

level

voltage

(+20

dBm)

range.

algebraic

level

and

from

the

For

this

dBmisobtained

actual

power

(-10.8

would

of 1. 66

The

sum

the

correction

impedance

exampleacor-

levelis+6. 5

dBm)] .

having

of load.

monitor.

the

power ohms.

multi-

mon-

on

Use

the

correc-

the

Model

for

loads

connec-

m

Imped-

on

0.9

Find

(indBm)

9)

=

be

17. 3

volts

actual

of

the

graph

for

a 600

an

out-

rms

the

Re-

the

set

the

on

01810-1

3-1

Section

~

m

Cl

Z

o

~

u

w

c::: c:::

o

u

c:::

w

~

w

~

ill

+25

+20

+15

"

Model 651B

"

+10

I

"

+5

"

-5

o

"

/

"

3-2

-10

-15

-20

-25

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I

)

"

-y

1

-

0783

10

Figure

100

IMPEDANCE

3-2.

Impedance

IK

OHMS

Correction

10K

Graph

lOOK

01810-1

Model 651B

Section

IV

4-1.

GENERAL

4-2.

The Model 651B oscillator, tor,

and

monitor

strumentisshown in

circuit

erateastable,

is detector voltagetothe appliedtothe

circuitisusedtoincrease at

improve with providesameansofattenuating put

itor the provides

4-3.

4-4.

ing 4-5. 4-6.

signaiatthe and FREQUENCY Dial RC consistingofan a

in conventional resistive the ance

4-7. possiblebythe back. quency lifier to

sitivetofrequency. will voltagetosustain

4-8. of SlC1

sitive the main

The RC tionshipofthe

uses

appliedtothe

circuit

the50ohm

the

changing output

connectors

circuit

inputtothe

all

CIRCUIT

Refer

discussion.

OSCILLATOR CIRCUIT. The

oscillator

bridge

resistive

the

Model 651B

voltage

conventional

Zl,

which

Oscillationatthe

Positive

sensitive

A2Q2 and A2Q3;

the

differential

the

positive

The RANGE switch,

resistors

through

RC

networks

instrument.

frequency

components

DESCRIPTION.

Test

power

amplifier,

circuit.

Figure

a modified

distortionless

power

providesadegenerative oscillator power

amplifier.

and

600 ohm output

frequency

loads.

in nine

continuously

attenuator.

voltages

to

frequency

networkisa modified

voltage

Wein

and

SlC13) to

positive

requiredbythe

DESCRIPTION.

Figures

circuit

RC

frequency

divider Test bridge

divider

Wein

bridgeisreplaced

consists

use

of both feedbackisprovided RC

networktothe

negative

amplifier

Onlyatthe

feedback

oscillation.

capacitors

for

The

FREQUENCY

tuning

elements

maintain

Oscillator

peak

A

block

6-1.

Wein

bridge

amplifier

circuittostabilize

the

stabilityofthe

The

stepsof10

monitors

The

6-2

thru

generatesasinusoidal

selectedbythe

locatedonthe

network. The W

Oscillator

circuitinthe

network. The

of A2CR6

selected

positive

throughanetwork

exceed

Sl,

(SlR1

establish

the

six

feedback

SECTION

THEORY

includes

detector,

diagramofthe

The

networktogen-

sine

wave

circuit.

The

power

output

selective

selects

the

power

connectors

output

the

signalatthe

dB each. The

the

regulated

651B

6-4

front

Wein

differs

and

frequencyismade

and

differential

feedbackisprovided

selected the

negative

through

the

frequency

Dial

C1A, C1B, and C1C.

proper

voltage. At

attenua-

oscillator

signal

The feedback

the

signal

amplifier

available

and

ou,tput

signal

for

bridge

combinations

signal

attenuator

level

power

circuits.

the

follow-

RANGE

panel. The

circuit,

network

ein

from

designofthe

resistor with

imped-

A2CR7.

negative

throughafre-

insen-

frequency

feedback

SlR24,

ranges

varies

phase

frequen-

OF

an

in-

which

peak

to

out-

mon-

at

supply

switch

and

bridge

the

in

feed-

amp-

and

sen-

of

the

rela-

IV

OPERATION

cies

where

phase

Figure

At

frequencies feedback sufficient

4-9.Afield

impedance input

provides

impedanceofthe

four

frequency pedance being ential quency on

the

valuesinthe 4-10.

from amplifier plementary emitter from cuitisapplied the

collector quency ageatthis tanceofthe

impedanceofthe

collector

The

increaseinthe

in

the back quency A2R9 followeratthe

Xc =R,

with

the

4-1)and

voltageisneitherofthe

amplitudetomaintain

effect

converter

impedance

a high

added

loadedbythe

amplifier.

ranges.

X100K

the

loop

voltageisremovedonthe

exceeding

F

p

F

and

RC

The

difference bridge A2Q2 and A2Q3, andisappliedtothe

symmetry

follower

output of

circuit

ranges.

pointisusedtomake

collector

current

gainofthe

ranges

0.5

0.4

0.3

0.2

~//

0.1

,./

Fp =

POSITIVE TO

AMPLIFIER

F =

FEEDBACKTORC

Figure

4-1.

the

positive

oscillator

exceeds

other

and low

impedanceinseries

differential

ranges

prevents

A2Q2 The

X1M

bridge.

circuitisamplifiedbydifferential

A2Q4. A

between

The

emitter

duetothe

the

higher

the

than

transistor,

becauseofits

noise

(X10 - XlOK). The high

theRCbridge

low input

and

impedance

ranges

between

circuit

the

complementary

resistors

of A2Q2, on

applicationofthe

load

follower

into

the

base

current

oscillator

valueofresistors

input

frequencies.

FREQUENCY

f

/

--

FEEDBACK

NETWORK

RC Network

feedback

output

where

baseofthe

voltage

negative

amplifier

impedanceofthe

A2Q3, on

A2Q5

positive

higher

impedanceofthe

feedback

Xc=

R,

right

oscillations.

A2Q1,isusedasthe

extremely

characteristics.

with

on

circuit

the

converterisbypassed

duetolower

the

feedback

and feedback

symmetry A2R8 and A2R9. in the

first

feedback

the

effective

than

A2Q4.

emitter

resultsinan

circuit.

X100K and X1M

\

\//////

////

\

--

"'-

~

RATIO--

PHASE

6ScIA-S-IOA

Characteristics

voltageisin

(refer

the phase

the

lower

A2Q6,

the

forcing

The

A2R8

/

-----

voltage.

positive

nor

high

input

lower

from

differ-

resistor

voltages

com-

through

voltage

four

resis-

input

follower.

increase

feed-

fre-

emitter

LAG

PHASE

LEAD

'to

of

It

im-

fre-

cir-

fre-

volt-

the

and

01810-1

4-1

Section

IV

Model 651B

4-11. to voltage impedanceofthe prevents ed by the RC circuit

A2CR2, A2CR3,

plied, distortioninthe

4-12. The output of power

AMPLITUDE COARSE

The voltage held

4-13. 4-14.

of 4-15.

bias

output, to

A2CR6

only on

nal. When

exceed a ing down

of ward and diodes tance,

The

complementary

provide

power

rangeofthe

the

oscillator

bridge.

transistors

are

conducting

amplifier

level

constantbythe

PEAK DETECTOR.

RefertoFigure

the

peak

detector

Feedback

voltage,

proportional

control

and

A2CR7. The

the

positive the

positive

set

level,

the

reference

the

reference

biasonthe

A2CR7. The

to conduct

and

thus

symmetry

gain

andtoincrease

oscillator;

complementary

output

circuitfrom

The

complementary

are

forward-biased

and

A2CR4, and

slightlytoreduce

output

signal.

the

oscillator

withaconstant

and

FINE

applied

action

to the

ofthe

peak

4-2

forasimplified

circuit.

from

the

peak

detector

to the

the dynamic

resistance

peak

detectorA2Q7,

peaksofthe

the

peak

detector

diode A2CR5. The

diode

causesareductioninthe

RC

bridge

voltage decreaseinforward less,

increasing

the

impedance

increaseinimpedanceZ1increases

negative

A2Q2 and A2Q3,

oscillator compensates

feedback

output

for

voltagetothe

which

results signal. the

The

initial

differential

in a

reductioninsignal

increaseinthe

output. 4-16.

differencesinthe

A2CR6 and A2CR7,

negative feedback, oscillator

A2R17

output.

WEIN BRIDGE

A

may

be

adjustedtocompensate

operating

characteristics

minimizing

thus

minimizing

Diodes

\

A2CR8

+FEEDBACK

circuitisused

the

also,

the

low output

symmetry

being

symmetry

by

withnosignal

cross-()ver

circuit

voltage

controls,

power

drives set

R2

amplifier

detector

provides

oscillator

circuit

of

oscillator

output

oscillator

conducts,

breakdown

divider,

bias

causes

the

dynamic

Z1. The

the

amount

reductionofthe

oscillator

distortion

in

distortion

and

A2CR9

dynamic

circuit

load-

diodes

ap-

the

by

the

andR3.

is

circuit.

schematic

a

diodes

conducts

sig-

output

break-

for-

A2CR6

the

resis-

of

amplifier,

level

for

ofdiOdes

the

in

the

compen-

+30V

sate

for

reverse

current

increasesintemperature. 4-17. 4-18.

power circuit.

A2Q8 and A2Q9,

plementary similartothe circuit. put of the to bilize

amplifier itor attenuator

4-19. 4-20.

applied a

the The

converter amplifier provide put from

monitor,

a

resistors

amplifier ageatthis

sistanceofthe

amplifierA1Q9 sourcetothe small A1CR8 non-linear

at

ment, circuit

frequency

or, ment

4-21. 4-22.

tenuating 600 ohm output UA resistor signal

POWER

The

gainofthe

AMPLIFIER.

power

amplifier

signal

The

operationofthe

emitter

symmetry

corresponding

The

negative

complementary

the

differential

the

power

amplifierata fixed

amplifier

outputiscontinuously

circuit

before

the

circuit.

MONITOR

The

monitor

CmCUIT.

circuit

to the output

signaltothe

amplitude

amplifier

full-scale

impedance

being

positive

output

of the output in RMS

A1Q9 between output

the

circuit,

monitor

of A1Q9

loaded

M1.

feedback

The

with

emitter voltage

A1R18 and A1R19, in the

A1Q8. The

pointisusedtoincrease

collector

appearingasa high

monitor.

amountofforward·

and

one-tenth

A1C15,

A1CR9, region,

full-scale

which

thus

compensates

capacitancesothe

response.

A1R23,

providesanadditional

whichismadeat400 Hz.

OUTPUT ATTENUATOR. The

output

attenuator

the

signal

level

connectors.

TOR

switch,

S2,

selectsacombination

networkstoproduce

attenuation.

Each

received

follower

circuit

feedback

symmetry

output

signalisappliedtothe

attenuator

monitor

serves

monitor

andasa

prevents

the

applicationofthe

circuit,

Diode A1CRlO

biastorectifier

keeps

increasing

readings.

monitor

The

monitor

applied

step of10dB. The AMPLITUDE vary

the

levelofattenuationinincrements each10dB UA

TOR switch.

step

selected

by

leakage

in A2Q7, due to

circuit

from

increases

the

differential

A2Q10,

A2Qll

and A2Q12

stagesinthe

voltage

from

oscillator

amplifier

and

oscillator

the

circuitisapplied

level

to

signal.

The

monitoredbythe

output

monitors

bothasan

indications. low

follower, A1Q8,

whichisapplied

the circuit M1, which

volts

circuit

and

current

the

power

impedance

collector

signal

and

provides indicates and dBm.

impedance

the

source

The

high

amplifier

of the output

provides

between

lead

feedback

the

effective

which

results

impedance

provides

diodes

the

diodes

monitor

out of the

accuracy

The10MHz

for

small

variations

will

have a calibration calibration

resist-

adjust-

providesameansofat-

to the50ohm and

The OUTPUT

ATTENof four

the

desired

level

providesanattenuation

controls,

R2 and R3,

between

the OUTPUT

ATTEN-

the

com-

is outsta-

power

mon-

level

power

to

in-

of

volt-

re-

in the

current

a

adjust-

in

flat

of

4-2

Figure

4-2.

Peak

Detector

Circuit

4-23. and 600 of

Output

resistor

impedances

ohms

can

S2R13. The

be obtained by changing

ing S2R13isaddedtothe

impedancetoobtain levelatthe

600

ohm

the

connector.

other

value

of the

50

ohm

new output

than

resistor

oscillator

the

standard

the

impedance

50

value

replac-

output

01810-1

Model 651B

Section IV

4-24. 4-25.

ages power supply and a referenced

4-26. tional A1Q2isusedtoincrease cuit, volt

REGULATED POWER SUPPLY. The

regulated

required

supply

-25

to the

The

+30

series

thus

adjustment,

regulator

improving

consists

by

volt

power

the

test

series

+30

volt

regulated

voltage

A1R4,

of a

type.

supply

oscillator

+30

volt

regulated

circuit.

supplyisofthe

The

the

loop gain of

regulation.

sets

the

provides

circuits.

series

supply

emitter

+30

volt

all

volt-

The

regulated

which

conven-

follower

the

cir-

The

+30

and

-25

volt supply output 4-27.

tional

the

is

addedtolimit the limiter

to

inganexcessive and A1CR7 against or

The

series

+30

volt supply. A

load

current

conducts,

reduce

short

circuitsinthe

the

-25

level.

volt

regulated

regulator

the

output voltage

protect

circuits

type and

current

load

current

exceeds

causing

currentisremoved.

the

between

output of

supplyisoftheconven-

limiter,

the

set

the

series

level

control

the

operates

toaset

two voltage the

the

A1Q7,

value. When

value, the

regulator

until

the load

Diodes A1CR6

transistor

-25

volt supply.

same

as

has

been

current

A1Q4

caus-

A1Q6,

supplies,

01810-1

4-3

Section

V

Table

5-1.

REQUIRED

TEST

EQUIPMENT

Model 651B

Instrument

Oscilloscope

Electronic

RMS

Voltmeter

Distortion DC Null

AC

Attenuator

Amplifier

Thermal

Voltmeter

Differential

Converter

Type

Counter

Analyzer

Voltmeter

Required

Passband: Sensitivity: Input

Range: Accuracy:

Frequency Voltage

Accuracy:±1%

Distortion Range:

Accuracy:

Range: 3 V to 4 V

Accuracy:

Attenuation

Frequency Gain: 40

Frequency

Input: 3 Output: 7 mV dc

Accuracy:

Frequency

10

Hz to10MHz

50

mV/cm

Impedance:1megohm

10

Hz to10MHz

± 5

counts

Range:

Range: 1 mVto6.32

Sensitivity:>42

10

J1.V

to30V

±2%offull

±0.1%

Range:90dB in10dB

Range:

dB

Range:

VRMS

±O.2%

Range:

Characteristics

10Hzto10MHz

dB

scale

10

Hz to10MHz

10

Hz to10MHz

10Hzto10MHz

V

steps

Recommended

-hp-

Model 175A

-hp-

Model 5244L

Electronic

-

hp-

Model 3400A RMS

Voltmeter

-hp-

Model 331A

-hp-

Model 419A

-hp-

Model 741A Differential Standard

-hp-

Model 355D VHF

Attenuator

-hp-

Model 461A

Amplifier

-hp-

Model 11049A Thermal

Converter

Model

Oscilloscope

Counter

(withknown

AC-DC

Voltmeter/DC

(withknown

error)

oto

10

mV

Terminating

Adapter

Reference

Resistance

Supply

See

Figure

a.

Resistor:

b.

Resistor:

c.

Resistor: Battery:

d.

a.

Feedth.r6ugh, Feedthrough,

b. BNCtoBinding

5-3

for fxd, var, var,

1.34V 500

6000

Post

schematic 65000±1%

5000

±5%

500

±5%

a.

-hp-

b. c.

-hp-

d.

Mallory

a.

-hp-

b.

-hp-

Model 10111A

Part

No. 0811-0392

Part

No. 2100-0324

Part

No. 2100-1481

RM-42R

Model 11048B Model 11047A

Adapter

5-0

01810-1

Model 651B

SECTION V

MAINTENANCE

Section

V

5-1.

INTRODUCTION.

5-2.

This

section

information

Included

Calibration

cedures.

5-3.

5-4. Model 651BislistedinTable type of quirements, available Table fies

the

5-5.

5-6. that

insure

operating

used

for

and

for performance ance

before

5-7.

a.

b. Set 651B

c.

for

are

Procedures,

REQUIRED

The

equipment

equipmenttobe

test

5-1isnot

given

PERFORMANCE

The

performance

that

within

incoming

specification

making

DIAL ACCURACY CHECK.

Connect 651B

put

terminalofelectronic

in

Figure

FREQUENCY

FREQUENCY OUTPUT ATTENUATOR. . .3.0 V

AMPLITUDE. . . . . . . . .

Set

electronic

counter

contains

the

-hp-

Model 651B

Performance

and

TEST

EQUIPMENT.

needed to

used,

and the

equipment. If

specifications

specifications.

checks

recommended

available,

CHECKS.

checks

the

Model 651B

inspection,

checks

to

verify

internal

50n

5-1.

controlsasfollows:

RANGE.. Dial.

monitor

countertoread

should

indicate

maintenance

Checks,

Troubleshooting

properly

5-1.

the

equipment

any

instrument

maybeused.

are

Test

These

periodic

afterarepair.

instrument

adjustmentsorrepairs.

output

terminal

. . . . . 1

indicationof3.0

100±3ms.

and

service

Test

Oscillator.

Alignment

maintain

The

table

lists

specification

commercially

listed

that

in-cabinet

checks

counterasshown

X10

Adjust

period

checks

Oscillator

may

maintenance,

Use

perform-

to de

for

V

average;

and

Pro-

the

re-

satis-

be

the

in-

in

is

d. Set 651B FREQUENCY

counter

e. Set 651B FREQUENCY

counter

f. Set 651B FREQUENCY RANGEtoX100 and

set er

g.

Set counter

h.

Set 651B FREQUENCY counter

i.

Set Set 651Btoeach

If

frequencyisnot

perform

Paragraph

Table

Frequency

10K 50K 50K

lOOK lOOK

500K 500K ±10K

1M

5M

10M

should

FREQUENCY

should

651B FREQUENCY

should

electronic

5-2.

(Hz)

1K 1000 ±20 5K

indicate20±O.6ms.

indicate10±O.3ms.

indicate

indicate1±O.02ms.

countertoread

frequency

counter

within

the

frequency

5-21.

Dial

Accuracy

dialto5;

dialto10;

dialto1;

10

±D.

dialto5;

2

dialto10;

indication

the

Electronic

Indication

5000 ±100

10K

1M

5M

10M ±300K

electronic

2

ms.

electronic

±D.

04

ms.

electronic

frequency.

listedinTable

dial

for

listed

calibration,

Check

Counter

(Hz)

±D.

2K

±lK

±2K

±30K

±150K

tolerance,

count-

5-2.

each

01810-1

8-0851-RO

TEST OSCILLATOR

hp

6518

Figure

FEED THRU

5-1.

50

OHM

hPII048B

:::J~------""

01:[

Dial

Accuracy

ELECTRONIC COUNTER

hP5244L

(-----ntl@1

'-

\

"

I

/

Check

•

0

©

@

0

~

5-1

Section

V

RMS

TEST

OSCILLATOR

hp 6518

Model 651B

VOLTMETER

hp

3400A

5-8.

5-9.

5-2

e-0852-RO

OUTPUT

a.

ConnectanRMS terminal UseanRMS

b.

Set FREQUENCY RANGE . .

FREQUENCY

OUTPUTATTENUATOR

c.

Adjust

indication should indicationisnot

form

If 651B

(effectively

RMS

OUTPUT

Connect RMS

a.

inal

Set

b.

FREQUENCY RANGE . . FREQUENCY

OUTPUTATTENUATOR

Adjust

c.

3.0Vindication

d.

Turn

voltmeter

0.3Vor Turn

e.

CW; RMS

or

MONITOR CHECK.

of 651B

voltmeter

651B

controlsasfollows:

651B

amplitude

on output

indicate

the

monitor

desired,

----NOTE When

turned monitor set

Thisisa and calibration.

of 651BasshowninFigure

651B

AMPLITUDE

greater.

the

connected

on open

voltmeter

amplitude

fully

will

one

division

normal

does

not

VOLTAGE CHECK.

voltmeterto500

controlsasfollows:

Dial.

651B AMPLITUDE

indication

less

(20 dB down).

AMPLITUDE

voltmeter

'---------------{~JO~Q:1)J~-

Figure

voltmeter

as

showninFigure

with

Dial.

. . .

controls

monitor.

3.0V±2%. within

monitor

indication

CCW,

typicallybeoff-

requireamonitor

on RMS

this

calibration,

maybechecked

directly

circuit).

----

controls

the

up-scale.

indication,

. . . .

voltmeter.

controls

should

controls

should

to

shouldbe6 V

651B

.

controls

fully CCW; RMS

5-2.

Output

to

500

output

known

X100

4

3.0

RMS IfRMS tolerance,

Paragraph

RMS

are

X1K

10

3.0

be

on 651B fully

indicate

error.

V

fora3.0

voltmeter

In

this

output

5-2.

V

for

reduced

3.16

case,

term-

5-2.

per-

5-31.

with

±2%.

a

to

V

Monitor,

V

5-10.

5-11.

50

OHM

FEED THRU

hpll0488

Voltage

f.

g.

a.

b.

c.

d.

e.

f.

g.

h.

a.

Check

Disconnect terminal put

terminal.

load

(-hp-

Repeat

OUTPUT

Connect voltmeter.

Set FREQUENCY RANGE . .

FREQUENCY

OUTPUT Adjust

indication

Inserta500feedthrough and cation

ing a Remove

connect 651B.

Connect voltmeter.

Adjust

indication Inserta6000

voltmeter.

dropto3.0V±O.15V.

MONITOR FLATNESS CHECK.

Connect reference 5-3,

putstominimum

DO NOT EXCEED RATED INPUT

THERMAL CONVERTER. ANY LOAD OR HIGH VOLTAGE TRANSIENT

MA

stepscthrough

651B

RMS

should

500

651B AMPLITUDE

setting

YDESTROY THERMOELEMENT.

(---------~~

'"

\

,

-

of 651B and

Model 1l047A).

IMPEDANCE CHECK.

500

controlsasfollows:

ATTENUATOR

on RMS

voltmeter.

output

the

6000

on RMS

nullmeter,

supplyto651Bas

/

----/

RMS

voltmeter

Replace

output of 651B

Dial.

. . .

amplitude

voltmeter.

dropto3.0

impedance.

500

feedthrough

cable

to

output of 651B

voltmeter.

load

between

RMS

voltmeter

thermal

651B

and

before

connectto6000

500

e of

controls

load

RMS

V

the

500

controls

reference

connecting.

from

500

output

out-

load

with

6000

this

paragraph.

directly

X1K

1

3.0V

between

voltmeter

±D.

directly

651B and RMS

indication

converter,

shown in Fibrure

OVER-

to RMS

fora6.0

651B

indi-

15V,verify-

load,

and

output of the

toRMS

fora6.

should

and

supply

OF

out-

01A10-1

V

dis-

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Model

651B

TEST

OSCILLATOR

hp 6518

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FREQUENCY FREQUENCY

OUTPUTATTENUATOR

c.

d.

e.

Adjust

monitor

Adjust

Do not is

Set 5-3,

a

settmg.

not perform graph

Table

651B AMPLITUDE

indicationof3.0

reference readjust

obtained.

651Btoeach

and

adjust

nU.ll

indicationisobtained

If

the

within

the

5-31. '

5-3.

Monitor

Frequency

(Hz)

10 20

100

400

5K

50K

500K

1M

4M

10M

Figure

RANGE.

Dial.

.

. . .

controls

V.

supply

foranull

reference

frequency

supply

settinginTable

AMPLITUDE

for

651B

monitor tolerances monitor

listedinthe

calibration'

Flatness

Monitor

Indication

Min. Max.

2.94

2.97

2.94

5-3.

X1K

10

3.0V for

a

indication.

once

null

controlssothat

each

frequency

indication

is

table,

Para-

Check

3.06

3.03

3.06

Monitor

Flatness

Check

5-12. FREQUENCY RESPONSE CHECK.

a.

b.

c.

Perform

setting

Adjust

meter

Adjust

Do not

stepsaand

FREQUENCY

651B

AMPLITUDE

indicationof7.0

reference readjust

supply

reference

b of

dial

to 1. controlsfora

mV.

for

supply

Paragraph

a null

obtained.

dial

d. Sweep FREQUENCY

If

the

null

ances

listedinTable

tions

and

e.

through

Repeat range

Table

5-25.

stepsbthroughdfor

listedinTable

5-4

Frequency

Range

X10 XlOO

X1K

X10K X100K X1M

5-13.

DISTORTION CHECK.

a.

Connectadistortion

showninFigure

meter

indication

adjustments

Frequency

Null

Min. Max.

-420

IlV

-280

Il

-280

IlV

-280

IlV

-280

IlV

-560

IlV

5-4

slowly

exceeds

5-4,

perform

in

Paragraphs

each

5-4.

Response

Meter

Indication

V +280IlV

analyzertothe

indication.

once

from

the

frequency

Check

+420

IlV

+280

IlV

+280

IlV

+280

IlV

+560

IlV

651B

5-11,

null

1 to 10.

toler-

calibra-

5-22

as

is

8-0854

01810-1

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TEST

OSCILLATOR

hp 6518

50

FEED THRU

hpll048B

,.....{'-l.J"tr]tr'------lj-"JiK...-

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5-4.

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t

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Distortion

Check

DISTORTION

hp

ANALYZER

331A

5-3

Section

V

TEST

OSCILLATOR

hp

6518

Model 651B

RMS

VOLTMETER

hP3400A

B-08:5,-RO

b. Set 651B

FREQUENCY RANGE FREQUENCY OUTPUT ATTENUATOR

AMPLITUDE. . . . . . .

c.

Distortion analyzer,

d. Set 651Btoeach

(except cause analyzeris600 kHz) and analyzer be tortion minimum graph

5-14. ATTENUATION CHECK.

a. Connect

RMS Useanattenuator

----NOTE----

voltmeter prongtotwo theacpower struments.

Set 651B

b.

FREQUENCY RANGE . •

. FREQUENCY

OUTPUT ATTENUATOR

Set

c.

Set

d.

e.

Adjust indication

£.

Check

ing

attenuation voltmeter

controlsasfollows:

Dial.

. . . 1

monitor

level

as

indicatedondistortion

should be

the

top

the

frequency

indication;

less

than1%for

levelisnot

distortion

5-30.

external

voltmeterto651B,asshowninFigure5-5.

Float

the

amplifier

by

controlsasfollows:

attenuator amplifier

651B AMPLITUDE

attenuatoroneach

attenuation

gain

of 9 mV on RMS

is

indication

less

frequency

three

distortion

each

less

attenuator,

with

usingathree-

prong

cord

Dial.

. • .

switchto90dBposition.

switch

on

external

increased

should be 9mV±1%

..

frequency

limitofthe

adjustment,

known

and RMS

adapter

of both

X1K

3.0 Adjust

indicationof3.0

than

1%.

listedinTable

settings,

observe

level

frequency.

than

1%,

amplifier,

error.

on

in-

X1K

1

3.0V(+20

to 40 dB

controls

voltmeter.

rangebydecreas-

attenuator

on 651B. RMS

Figure

V

for

distortion

should

If

dis-

perform

Para-

and

dB)

position.

for

an

as

for

5-5.

V

5-3 be-

the

50

OHM

FEED THRU

hpll048B

Attenuation

5-15.

5-16. calibration adjustments

determinedbythe

is locationofall

5-17. 5-18.

two

slide off. cedure.

5-19. To taining

5-20.

5-21. FREQUENCY DIAL CALIBRATION.

Check

.3

mV

through

dB);

for.1mV

meter

g.

Repeat

with

and10MHz.

ADJUSTMENT PROCEDURE.

The

not

within

COVER REMOVAL. To

retaining

the

To

replace

screwsinthe

POWER

a. Connect a dc

positive to

b.

Adjust dc

c.

Connectdc output, indicate outputisnot

of put. negative supply voltage; A1R13*todecrease

a.

Remove

six

indication

stepscthrough

the

651B

followingisa procedure

shouldbeperformed

Performance

specifications.

the

internal

remove

cover

removeaside

Figure

voltmeter

resistor

the

screws

about

the

SUPPLY

output,

6-3).

A1R4

voltmetertopower

connector

-25V±O.75V.Ifthe

Decrease

oscillator

retaining

3.0Vranges range

setto100 kHz, 1 MHz, 5 MHz,

AND

for

toporbottom from

1/2

cover,

VOLTAGE ADJUSTMENT.

voltmeter

foranindication of

.

within

A1R13* to obtain

value of A1R13*

screws.

(-70 dB), RMS

should be 9 mV

CALIBRATION

complete

the

Model 651B. The Checks

Figure

adjustments.

the

sidesofthe

inchtothe

reverse

cover,

and

connector

point 2; de

tolerance,

negative supply voltage.

circuit

,--

~

(,

-',

"

/'

(-60 dB to

f of

this

adjustment

only ifithas

5-7

cover

rear,

the

remove

liftitoff.

to

power

point 1.

supply negative

voltmeter

negative specified

increase

shieldbyremoving

©

@ @

±2%.

paragraph

that

the

shows

remove

cover,

and

removal

the

two

supply

+30

V onthe

change value

to

increase

value of

+20

volt-

and

been

651B

the

lift

pro-

re-

(Refer

should supply

out-

it

5-4

01810-1

Model 651B

Section V

,.....-----EE3

THE 651B CONTAINS VERY HIGH IMPEDANCE, HIGH FREQUENCY CUlTS. CONTAMINATION TUNING CAPACITOR

AND SUBSEQUENT DETERIORATION

INSTRUMENT. A BARE FINGERS, AS SKIN OILS ARE HANDLINGISNECESSARY, WEAR CLEAN COTTON OR RUBBER GLOVES. DO

NOT USE A

GRAPHITE

AN ACCIDENTLY INTRODUCED PATH

DIFFICULT A PRINTED CffiCUlT OR SWITCH, CLEANWITH A WEAK SOLUTION WARM WATER AND MILD DETERGENT

OUGHLYWITH CLEAN WATER AND

BEFORE ING SOLUTION

COMMERCIALMOISTURE SEALINGSPRA OF

b. Set 651B

FREQUENCY RANGE . .

FREQUENCY OUTPUT ATTENUATOR AMPLITUDE

c. Connect 651Btodistortion

in

d.

Adjust tortion

e. Connect RMS

meter (gain is

not

to

obtain

A2R16*

decrease control

f.

AttachatesttoA2TP2,

lead 5-6. voltage shield place this

TEST

LEAD

Figure

controlsasfollows:

Figure

----NOTE-----This

adjustment Dial

6518-RO

5-4.

A2R17

shouldbeless

adjustmentisa

calibration.

indication

control

within

specified

to

decrease

value

voltage.

withalK

Connect

maybemonitored

and

bottom

oscillator

time.

5-6.

A2TP2

OPERATING.

THESE AGENTS MAY CAUSE LEAKAGE PATHS.

Dial.

Controls

for

minimum

for

the

voltmetertoA2TP1;RMS

shouldbe110 mV ±10 mV

voltage).Ifgain

this

limit,

voltage.

of A2R16*toincrease

resistor.

test

leadsothat

coverinplace.

shield

Test

-------,

OF

THE SWITCHES. CffiCUlT BOARDS OR

WILL

CAUSE ffiGH IMPEDANCE LEAKAGE PATHS

OF

THE PERFORMANCE

VOID

TOUCHING ANY

PENCIL

TO

LOCATE. TO AVOID SURFACE CONTAMINATION

EXCEPT

. . .

.

analyzerasshown

distortion.

than1%(42dBdown).

preliminary

FREQUENCY

change

Increase

the

gain

control

and

isolate

as

showninFigure

with

and

bottom

Lead

Connection

TO

TRACE CffiCUlTS IN THE INSTRUMENT.

LEAD IS AN EXTREMELY

DO

NOT USE ALCOHOL OR ANY OTHER CLEAN-

DETERGENT AND WATER.

XIK

Fully

CW

3.0

V

Fully

CW

Dis-

volt-

control

value

voltage

ofA2R16*

value

voltage;

the

test

point

oscillator

Do not

cover

of

gain

test

re-

at

OF

THESE

EXTREMELY

OF

THIS

AFTER

ALLCNIITTO DRY

YTO

g. Connect h.

i. Connect 651B to

j.

k.

1.

m.

cmCUlTS

CONTAMINATING.

GOOD

THE BOARDS;

CONDUCTOR AND

TYPEISSOMETIMES

REPAffi.

DO

Replace

coverofinstrument, nectedtodc age.

----NOTE This

to A2TP1,

enceinthe

procedures.

in

Figure

Turn

position. Adjust

output on

electronic

is

sameasrecordedinstep

Turn 651B output indicated is

not

coupler until

Set

651B output

catedonelectronic

----NOTE

If

is indicator,

Dial taining Dial markondial retaining

the

651B FREQUENCY

frequencyis10.2

FREQUENCY

specified

number1on

not

Cffi-

OF

THE

WITH THE

OF

RINSE THOR-

COMPLETELY

NOT

APPLY

APPLICA

test

leadtoadcvoltmeter.

oscillator

voltmeter.

voltageisdirectly

gain

andisusedasa

5-1.

SlC2

and

counter)

frequency

on

electronic

within

(MP2,

linedupwith

remove

knob

and

screws.

until

number1linesupwith

screws

ANY

TION

circuit

control

following

electronic

SlC7

Dialtofully

965to970 Hz,

Figure

frequencyisobtained.

frequencyto1 kHz

counter).

-----

FREQUENCY

loosen

Slip FREQUENCY

indicator.

and

IF

shield

and

leaving

-----

voltage

alternately

and

shouldbe970 Hz

7-1),

markondial

FREQUENCY

four

test

Record

calibration

kHz

counter).

replace

A2TP2volt-

refer-

counterasshown

Dial

to fully

until

(as

indicated

voltageatA2TP2

h.

CW

loosen

and

slip

Dial

dial

re-

Tighten

knob.

bottom

lead

con-

CCW

651B

position.

If

651B

tuner

(as

indi-

(as

01810-1

5-5

Section

V

f;:::::=========TOP=========~,

FI

o

Model 651B

S4

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rf

==========

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C7

C2

C4

C3

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I!IA2CI4

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=========~,

0

S3

5-6

652A-C

-0818

Figure

5-7.

LocationofInternal

Adjustments

01810-1

Model

5-22. X100, X1K,

6518

THE ADJUSTMENTS IN PARAGRAPHS 5-22 THROUGH 5-25 ARE HIGHLY CRITICAL

WILLHAVETOBE PERFORMED

ONLY IN RARE CASES. THE VALUES OF THE RANGE SWITCH RESISTORS WERE BRIDGED AT THE FACTORY FOR OPTIMUM PERFORMANCE,

RETICALLY SHOULD NEVER

HAVE CHECK THE INSTRUMENT FORMANCE BEFORE CHANGING THE VALUES

RANGE SWITCH RESISTORS.

CAIJBRATION.

~3

AND

THEO-

TOBE

CHANGED. DOUBLE-

OF

ANY

OF

AND

XlOK RANGE FREQUENCY

PER-

THE

Section

c.

If

either

of above tolerance, and

SlR14*

within

main step

----NOTE

It

differenceinfrequency

endsofdial.

d. Set FREQUENCY

monitoring accurate and c

within

5-24. X1M RANGE FREQUENCY CALIBRATION.

----NOTE----

change

simultaneouslytobring

tolerance.

sameasthat

h{within

maybenecessarytosplit

electronic

within

until

±3%

over

frequenciesisnot

valueofresistors

A2TP2 voltage

recordedinParagraph

±D.

02 V).

----

between

Dialto2, 5, and 8,

counter.

±3%,ifnot,

FREQUENCY Dialisaccurate

its

entire

repeat

range.

frequency

must

Dial

within

SlR1

while

must

steps

V

*

re-

5-21,

be

b

"

a. Connect 651Btoelectronic

in

Figure

voltageatA2TP2.

b. Check

Dialat1, 5, 8, and10on X100, X1K, and X10K A2TP2. VoltageatA2TP2 should relatively of

the

c.

If

frequency

of

the

RANGE

respective Change at

same

on

all

recordedinParagraph

Frequency

X10 X100 X1K X10K X100K X1M

5-23. X10 RANGE FREQUENCY CALIBRATION.

a. Connect 651Btoelectronic

in

Figure

voltageatA2TP2.

5-1,

withdcvoltmeter

frequency

ranges

constant

FREQUENCY Dial.

FREQUENCY Dial, change

switch

value

timetokeep

ranges

Range

5-1,

tracking

while

monitoring

from

ranges

range

Table

are

resistors

(refer

of both

(within

5-5

Switch

Padding

withdcvoltmeter

counterasshown

monitoring

of FREQUENCY

voltage

the1to10position

off on

the1position

associated

to

Table

resistors

voltageatA2TP2

±D.

5-21,

Padding

SlRl SlR3* SlR5* SlR7* SlR9* SlRll

on

each

02Vfrom

step

h).

Resistors

* and SlR14*

and SlR16* and

SlR18*

and

SlR20*

and

SlR22*

* and SlR24*

counterasshown

monitoring

remain

value

with

5-5).

voltage

at

of

range

same

The

following critical. quency

with

all

place.

a. Connect 651Btoelectronic

in

Figure

voltageatA2TP2.

b. Set 651B FREQUENCY RANGEtoX1M, and

set and counter and graph

----NOTE To

top adjustments Check FREQUENCY acy

c.,

If

651B put enough FREQUENCY cover, until indicates

----NOTE---Replace

651B A2C5.

5-1,

FREQUENCY

SlC10

indicates

voltageatA2TP2issame

5-21

accomplish

cover

and

will

monitor)orSlC5

range

and

651B

5 MHz.

frequency,

adjustments

Final

voltage

readings

instrument

with

step

voltageatA2TP2.

not

adjust

oscillates

bottom

mustbemade

covers

withdcvoltmeter

Dialto10.

tuning wand

10. 15 MHz (1.

h

(±D.

02 V).

----

stepb,remove

from

651B,

and

replace

Dial

oscillate

to

Dialto5,

(no

and SlC10 do not have

complete

A2C5

with

and

Then

repeat

covertocheck

after

adjusting

are

and

fre-

in

counterasshown

monitoring

Adjust

until

as

make

cover.

accur-

readingonoutstep

remove

tuning

electronic

step

SlC5

electronic

5%

high),-

in

Para-

b,

set

bottom

wand

counter

b.

b. Set 651B FREQUENCY RANGEtoX10 and

set

01810-1

FREQUENCY Dial counter FREQUENCY should

should

indicate

Dial

10

to 1;

±D.

to

100±3Hz.

electronic

3 Hz.

10;

electronic

Set

counter

d. Set FREQUENCY Dial fully CCW, and

SlC10

until

voltageatA2TP2issameasin

Paragraph QUENCY Dialto1, and ter

indication;

5-21,

frequency

step

h

(±D.

check

shouldbe1MHz

02 V).

Set

electronic

adjust

FRE-

coun±3%.

5-7

Section

e.

V

If

either does change SlR24* and

651B

not

adjust

values

simulfaneously

voltage

are

frequencyorA2TP2

accordingtosteps

of

resistors

within

specifications.

until

SlRll

both

voltage

c and d,

* and

frequency

b. Set 651B

controlsasfollows:

FREQUENCY RANGE . . FREQUENCY OUTPUTATTENUATOR

Dial.

. . .

Model651B

X1K

10

3.0

V

f. Set FREQUENCY

until

electronic

4.950

MHz (0.5%to1.9%

g.

Recheck Dial and

(1.

651B

frequency

setto10.Ifnecessary,

SlC10

5%

for

high).

Dialto5 and

counter

frequency

indicates

low).

with

FREQUENCY

readjust

of

10.15

adjust

4.975

A2C5

SlC5

MHz

5-25. X100K RANGE FREQUENCY CALIBRATION.

----NOTE---The

following critical. quency

with

all

adjustments

Final

readings

instrument

voltage

must

covers

be

and

are

fre-

made

in

place.

a.

Connect651Btoelectronic in

Figure

5-1,

withdcvoltmeter

counterasshown

monitoring

voltageatA2TP2.

b. Set 651B FREQUENCY RANGEtoX100Kand

set

FREQUENCY

and

SlC9

counter

is

same

with

indicates

as

Dialto10.

tuning wand

1 MHz

in

Paragraph

and

Adjust

until

A2TP2

5-21,

SlC4

electronic

voltage

step

(±O.02 V).

c.

Set 651B FREQUENCY counter

and

Paragraph

should

indicate

voltageatA2TP2

5-21,

Dial

to1.Electronic

100 kHz,

shouldbesameasin

step

h (±O.02 V).

±2

kHz,

to

Adjust

indicationonoutput

adjust

d.

Adjust tion.

AMPLITUDE

reference

Do

not

readjust

controls

monitor.

controls.

supply

reference

for

Do

a null

supply

a 3. 0 V

not

re-

indica-

once

c.

nullisobtained.

e. Set 651B FREQUENCY RANGE

f.

Sweep FREQUENCY

10. Null not

meter

exceed±0.54

----NOTE

The

percentofchangeinthe

Dial

deviation

mY.

----

slowly

from

to

X1M.

from1to null should

651B output,asreadonthe

null

meter,

the

thermal

square

g.

Adjust which the

h

5-27. OUTPUT ADJUSTMENT.

A2C14

maybepresent.Ifnecessary,

value

is converter

law

device.

to

of A2C24*

doubled

reduce

slightly.

due

to

being

a

any output

peaking change

5-28. WAVEFORM ADJUSTMENT.

a.

Connect a terminal,

50n

and

loadtothe

connect

the

651B

output

50n

to

output

an

oscilloscope.

d.

If

651B

frequency

not

within

values

specified

of simultaneouslytobring specifications.

e. Set 651B FREQUENCY

5-26.

a.

check step

10

Connect reference 5-3,

frequency.

b.

MHz FLATNESS ADJUSTMENT.

nullmeter,

supplyto651BasshowninFigure

setting

putstominimum

DO NOT EXCEED RATED

PUT

OF

ER.

ANY OVERLOAD OR HIGH VOLTAGE TRANSIENT DESTROY THERMOELEMENT.

5-8

or

voltageatA2TP2

limitsofstepc,c.hange

resistors

SlR9*

both

and

readings

Dialto10, and

If

necessary,

thermal

651B and

before

converter,

reference

connecting.

IN-

THERMAL CONVERT-

MAY

S1:R22*

repeat

supply

is

within

re-

and

out-

b. Set OUTPUT ATTENUATORto3.0

turn

c.

5-29.

a.

b. Set 651B

AMPLITUDE

Check 651B output, with and without load, on all

frequencies.

occur,

change

oscillations

AMPLITUDE ADJUSTMENT.

Connect 651BtoRMS Figure

5-2.

controlsasfollows:

FREQUENCY FREQUENCY

value

are

eliminated.

RANGE. Dial.

controls

If

spurious

of A2C21*

voltmeter,

.

. . . OUTPUT ATTENUATOR AMPLITUDE .

c.

voltmeter

RMS

If

maximum

slightly

should

outputisless

increase

indicateatleast

value

of A2R24. *

fully

CW.

oscillations

until

as

X10

1

3.0V Fully

than3.16

V,

and

spurious

shown in

CW

3. 16V. V,

01810-1

Model 651B

Section

V

5-30.

5-31.

MINlMUM DISTORTION ADJUSTMENT.

a. Connect 651Btodistortion

in

Figure

b. Set 651B

FREQUENCY RANGE . . FREQUENCY

OUTPUTATTENUATOR

AMPLITUDE .

c.

Adjust dicatedondistortion

shouldbeless

----NOTE----Distortion

dB down.

OUTPUT MONITOR CALIBRATION.

----NOTE----The

critical. ings instrument

a. Connect 651B to

Figure

5-4.

controlsasfollows:

Dial.

A2R17

following

for

than1%(40

willbetypically

Final

must

be

coversinplace.

5-2.

analyzerasshown

. . .

minimum

adjustments

voltage

made

RMS

distortionasin-

analyzer.

dB down).

read-

with

all

voltmeterasshown

X1K

1

3.0V Fully

Distortion

50

are

CW

in

5-34. When a from

the broken investigation troubleisnot instrument.

5-35. illustratesasystematic to not include a indicationsorconditions, inate shooting path. ing meters, additional required

5is the there meaning to

with Refer

schematics troubleshooting

wires,

The

locate

listofkey

the

tree

were

36.

To

trueorfalse,

pertinent

are

that

the

malfunction. Additional

the

troubleshooting

to

malfunction

651B, and

should

the

Troubleshooting

a faulty

specific

pointstobe

properly

not

buttolocalize

checks

to

completely

use

the

branchofthe

twoormore

either

the

block

of

visually

connectors,

be

resultofconditions

circuitorcomponent. The

troubles

operating

The

checks

devisedtomeasure

and

measurements

troubleshooting

and

proceedtothe

oneorall

diagram

Figures

tree.

occurs,

inspect

or

components.

made

method of

isolate

branches

treeisgivenin

6-2

to

Tree

and

problems;itpresents

checked

which

outlinedinthe

the

for

canbeusedtoelim-

circuits

malfunction.

the

tree.

for

the

branches

information

in

Figure

and

6-3,

remove

for

ensure

externaltothe

in

Figure

elimination

normal

from

all

will

faulty component.

tree,

some

a given indication,

Paragraph

6-1,

when

power

loose

Also,

that

the

5-8

used

tree

does

circuit

the

trouble-

troubleshoot-

circuit

decide

para-

Therefore,

probably

if

step

along

cases,

could

lead

for

use

and

using

or

an

be

G)

5-37.

the

5-32.

b.

Set

651B

controlsasfollows:

FREQUENCY RANGE . . FREQUENCY

OUTPUTATTENUATOR

Set

c.

d.

e.

f.

g.

AMPLITUDE

cation

on RMS

Adjust monitor. rangetoproperly value to A1R22*toincrease

Set set

Set cationonRMS

Adjust indication

TROUBLESHOOTING

A1R23

If A1R23

of A1R22*

decrease

65lB FREQUENCY

AMPLITUDE

----NOTE Allow

voltmeterat10 MHz.

monitor

FREQUENCY RANGEtoX1M, and

for

known

A1C15

on 651B

Dial.

. . .

controls

voltmeter.

fora3.0V

does

calibrate

slightly.

indication;

monitor

Dialto10.

controls

voltmeter.

-----

error

with

tuning wand

monitor.

X100

1

3.0

V

fora3.0Vindi-

indicationon 651B

not have

Decrease

fora3.0Vindi-

of RMS

PROCEDURE.

sufficient

monitor,

increase

indication.

fora3.0

change

A1R22*

V

5-

37. TROUBLESHOOTING INFORMATION.

5-38.

for

This

section

each

particular

Check

CD

and

specifications,

rangeofthe When

mal approximately pin17shouldbeabout.14V atA1pin

If

the ly, of10Vto12Vpeak-to-peak. should amplitudeorfrequency

ment.

Check line that correct

provides stepofthe

the

outputatboth output

ensure

de

the

indicator

the

thatitis

instrument.

the

651B output voltageis3,

voltage

16;isnot,

oscillator

signalatA2

remain

fuse

F1 if

115/230V position.

additional

troubleshooting

undistorted

over

the

entire

appliedatA1

+2.7V.

circuitisoperating

constant,

thereisno output and

lamp

The

M1isprobably

pin5willbea

regardlessofthe

settingofthe

does

notlight;

switch,

information

connectors,

and

within

frequency

thenor-

16

voltageatA1

less

than

faulty.

proper-

sine

This

voltage

instru-

also

ensure

S4,

is

in

tree.

is

that

wave

the

5-33. cedures malfunctions. only cannotbecorrected

and 01810-1

This

section

designedtoaidinthe

Troubleshooting

afterithas

calibration

been

procedures.

contains

determined

by

performing

information

process should be

that

the

and

pro-

of

isolating undertaken malfunction

adjustment

Disconnect a

current deflection. pointer proportionally.

M1

of 1. 5 mA,tocheck

Decrease

deflectionofM1

from

the

circuit,

for

current,

should

andapply full

scale

and

the

decrease

5-9

Section

0-

V Model 651B

OUTPUT UNDISTORTED WITHIN SPECIFICATIONS AT

BOTH OUTPUT

AND

TERMINAUl

FALSE

o

TRUE

o

+2.7

VATAIPIN 16

FALSE

TRUE

CD

1-------------------------

CRECKMI

.75

VAC

AIQ9

AT COLLECTOR

TRUE

OF

FALSE

CHECK MONITOR

CD

CIRCUIT

CHECK AIQ6 AND AIQ9

CD

RECTIFIER

10-12 V

PEAK-TQ-PEAKATA2

PIN 5

16 V

PEAK-TQ-PEAltATA2

PIN 20

®

TRUE

FALSE

®

OUTPUT ATTENUATOR

CHECK

CHECK POWER

AMPLIFIER

CHECKFIAND ENSURE THAT

IS IN CORRECT POSITION

84

,....----.-------

When

using

the

as

follows,

FREQUENCY RANGE . .

FREQUENCY OUTPUT MONITOR AMPLITUDE

A

toleranceof±10%

in

the

unless

Dial.

ATTENUATOR

..

troubleshooting

NOTE

troubleshooting

stated

...

otherwise

. . .

(use

test

shouldbeallowed

tree,

voltmeter

setup

unless

-----------,

set

the

foraparticular

.

Adjust

indication

shown in

for

all

stated

otherwise.

651B

controls

step: . .3.0V

. NORMAL

foranRMS

Figure

voltages

XIK

of 3V

5-2)

given

® CHECKA2C12

TRUE

-.3VTO

-.4V

AT

A2TP2

FALSE

@ CHECK A2QI THRU A2Q6

CHECK PEAK

®

CHECK RANGE SWITCH

®

5

nL

TUNING CAPACITOR

---:~---

DETECTOR

.30

V

,.0.9VATAIPIN

AND

-25

V,.o. 75 V

PIN 2

AND

AT

TRUE

I.

AI

FALSE

CHECK POWER CONNECTIONS TO EXTERNAL

®

CIRCUITS

CHECK NEGATIVE

@

CIRCUIT

SUPPLY

5-10.

Figure

5-8.

Troubleshooting

Tree

01810-1

4'

VACATAI

AC ATAIPIN 7

PIN 5

AND

TRUE

40 V

FALSE

®

@

CHECK POSITIVE CIRCUIT

CHECKTIAND COMPONENTS

SUPPLY

LINE

FILTER

Model 651B

Section V

When

the signal collector

Check

CD

AICRI0, Also

Check

the

points

and

The

sine

the

651B outputis3

A2TP2 should have a dc voltage

®

-.4

probably bad. tolerance,

If

®

@

®

thereisno the circuitsbydisconnectingA2pins

7. normal, ternal supply.

Check putateither or. at

the

Check A2Q8 A2C19

willbedestroyed.

If

the mally, coupling

651B output

applied

the

check

thedcvoltages

AICRI0.

Emitter Collector Base Emitter

normal

wave of about 16 V

V.

If

the

power

If

the

circuits,

S2Rl

Check S2R13 if

600 ohm

becomes

oscillator

but no

capacitor

to

the

of AIQ9isapproximately.75Vac.

rectifier

and

capacitors

AIC11 and AICR11.

listed

below;

AIQ8 .

AIQ9

...

AIQ9 .

signalatA2

the

voltageispositive,

shorted,

voltageisnegative,

check

A2Ql

positiveornegative

supply,

power supply

malfunctionisin one of the-ex-

causingitto

through

the50ohmor600 ohm

connector.

through

shorted,

circuitisfunctioning

signalispresentatA2

A2C12isprobably

voltageis3,

rectifier

diodes

AIC12 and AIC13.

on AIQ8 and AIQ9

also

.-10.5

pin20will

peak-to-peak,

V.

or

the

through

isolateitfrom

outputs

S2R12 if

the

outputismissing

A2Q12, and A2C19.

A2Q11 and A2Q12

AICR8

check

+1. 8 V +2.5

-9.8

from

peak

detector

A2Q6.

load

thereisno

from

V

V V

but out of

outputfrom 1, 2, 6 and

return

the

ac

the

through

at

AIC11

be a

when

-.3

to

CI

is

external

to

power

out-

connect-

only

If

nor-

pin 5,

bad.

Check

®

ternal series

A2R37, and A2R44).

If

®

output

AICR3, and AICR4.

If

outputs

5, and 40 VacatAlpin are eitherTlor

The

®

encedtothe if both

is the AIQ2, AIQ3,

CheckTland

®

through

5-39. SERVICING ETCHED 5-40.

double-sided, on vent

The Model 651B

these

boards,

damagetothe a.

Usealow-heat withasmall

To

b.

(long tweezers, closetothe the lead, is closetothe

from

the

power

circuits,

with

only

the

is

both

the

are

not

correct,

negative

outputs

probably

componentsinthe

L4, C2, C3, C4, and C7.

etched

observe

circuit

remove

nose

soldering

and

pull

obviously

the

board.

and

the

connections

negative bad,

check

positive

bad,

one of

power positive

are

in the

AICRl the

contains

circuit

the

(25to50

tip.

a component,

pliers,

etc.)

on

component

iron

up on

damagedorfaulty,

component, and

supply

check

the

incorrect,

line

boardorcomponents:

directly

connectionstoex-

check

the

resistors

(A2R13, A2R26,

halfofthe

Q2, AIQ5, AIQ6,

and

negative

for

malfunctionisprobably

the

line

supply outputisrefer-

supply; consequently,

positive

and AICR2.

filter

cmCUIT

boards.

following

watts)

commercial

the

component

the

lead.Ifa component

power

43 V acatAl

7.Ifthese filter

components.

the

malfunction

supply. Check

supply -

components,

BOARDS.

two

plated-through,

When

working

rulestopre-

soldering

clipaheat

heat

lead

as

possible.

on the component

clip

the

remove

the

in

supply

voltages

Ql,

Ll

iron

sink

as

Place

leads

@

®

01810-1

If

the

frequency

and shouldbereplacedasa bad.)Ifthe the

Check A2Q7, A2CR5, A2CR8 and A2CR9.

If

and A2CR7.

If

some check ranges. ed check

instrument

ranges,

A2CRl

lower

these

the 651B outputiswithin

through

throughA2CR4. (A2Q5 and A2Q6

four

components

frequency

theSlcomponents

If

the

portionsofall

tuning

is

malfunctioning

checkA2Q2 throughA2Q6,

pair,ifeither

instrument

ranges,

outputisunstableordistort-

capacitor

malfunctions

A2Qlisprobably

are

good,

check

specifications

butisnot on

for

the

inoperative

frequency

C1.

ranges,

on

all

goes

only on

bad.

A2CR6

others,

on

c.

d.

and

obtain

EXCESSIVE HEAT

FOIL FROM THE BOARD CAUSE DAMAGE TO COMPONENTS.

Clean

the

solderinthe soldering metallic

To sinkonthe

ing

object

mount a new component,

insert

iron,

a good

OR

PROLONGED

CAN

LIFT

THE CIRCUIT

component

iron,

theminthe

component,

and add

electrical

lead

hole, quickly

and

inserting

suchasa toothpick.

solder

holes. Clip a

heat

connection.

OR

holes

by

removing

a pointed, non-

shape

the

with

the

as

necessary

heating

the

leads

heat

solder-

to

5-11

Section

5-41. 5-42.

switches:

V

SERVICING ROTARY SWITCHES. The

Model 651B

FREQUENCY RANGE and OUTPUT ATTENUATOR. When observe

the

following

a.

Use iron

b. When

dress

a low

heat

withasmall

replacing

themasnearlytotheir

mentaspossible.

c.

Clean

excessive

and adjoining

contains

two

workingonthese

rules:

(25to50

watts)

tip.

components,

flux

from

area.

rotary

attempt

original

the

connection

type

switches,

soldering

align-

to

d.

After

cleaning

of

lubriplatetothe NOT apply allow

lubricanttocontaminate

the

switch,

switch

apply a light

detent

lubricanttoswitch

5-43. SERVICING TUNER ASSEMBLY. 5-44.

When certain shaft

are QUENCY remove loosen gears)

retaining

frequency

tuner

coupler

replacing

that

the

tuner

alignedtoprevent

DialorVERNIER

the

frequency

the

tuner

dial

shaft.

and

drive

screws;

dial

the

tuning

coupler

dial

knob,

assembly

then

Tighten

shaft

capacitor,

and

binding of

control.

frequency

align

retaining

are

aligned.

the

(casting

tuner

Model651B

balls.

contacts

components.

C1,

frequency

the

FRE-

If

necessary,

dial,

and

coupler

screws

coat

DO

or

make

dial

and

spur

and

after

5-12

01810-1

Model65lB

Section

VI

6-1.

INTRODUCTION.

6-2.

This necessary Model 651B. shows

the

cuitsofthe

section

for

operation

Figure

overall

instrument.

ASSEMBLY

NONE

contains

and

6-1isa

relationship

Figures

PARTIAL

ASSEMBLY

COMPLETE

A2 A2

the

circuit

maintenance

block

diagram

between

6-2

REFERENCE

OR

SUBASSEMBLY

DESIGNATION.

SUBASSEMBLY

SECTION

CIRCUIT

diagrams

of

the

which

the

basic

cir-

and

6-3

REFERENCE

DESIGNATIONS

NONE

A1

NONE

VI

DIAGRAMS

contain component board

6-3. reference

DESIGNATIONS

DESIGNATION(S)

COMPONENT

ARE

the

and

An

explanationofterms

SHOWN:

Q1 R1

J1

detailed

location

the

two

schematic

diagramsaswell

drawingsofeach

rotary

switches.

and

symbols

designatorsisgiven below.

OR

PREFIX

BOTH

WITH

FOR

COMPL

DESIGNATION

A2Q1

A2A1

J1

ETE

R1

printed

circuit

used

as

Auembly Reference

Designation Name (includes

PlugP2mounsed on Assembly , Assembly or

parI

of

Ihe Assembly Boardr -- -- --

lack12mountedonChassis

or

anolher Assembly

...

Number ,nd,caJes

ofP2and

~

pm

]2

~

A2 POWER SUPPLY ASSEMBLY

~2

P2 I

I I I I / Deslination

I I I I I J2 Pin 4

I I 6

I I I I

I :

---I:<3

~-+

__

1

~\illJ

Wire Color: Color code sa,!,e.as resislor I \ I { I

color code. F"sl number ,ndICates

color, second Ihird number indicates E.g.

nMmber

indenlifies wider IIrip, I

~

denoles

..-ower'

WHT-RED-YEL

base

slrip. Eyelel wire. mayormay nol be numbered pin conneClor

Auembly

....J

A/SubassemblyofA2

, - be numbered

AI IPHOTO-CHOPPER

RI

or

slandoff lerminal I Male slandoff

Auembly

A2A

(03460-66501)

OSCILLATOR

ParI

Number

I subassembly)

~

01

-,

I

~>~

I I on a

lJ

I I

~

~I

~

IIInol mounled on

I

Assembly A3, lack

A3J3-4

mayor

may nol

Female pin conneclor

WHT.RED

STO-A-0794

A2

of

wire

J3

wire

01810-1

6-1/6-2

Model 651B

Section

VI

F================OSCILLATOR

I

RANGE

IO--T,------------------------,

~-----------

I

61

FREQUENCY

I I

J I J I

J I

I I

I J I I

J

CIC

I

IIOMV

CIRCUIT

===========~=====~

+FEEDBACK

IMPEDANCE CONVERTER

A2QI

RMS

-FEEDBACK

-.3TO-.4VDC

BIAS

'-------':.;.;.;.:..-..:....:c::..-c:..::....:.;...:~-'--'---'-__4>___t

VOLTAGE (FEEDBACK) REFERENCE

A2TP2

D10DE

A2CR5

EMITTER

FOLLOWER

A2Q4

PEAK

DETECTOR

A2Q7

'0-1,,7\

*

_V

p======POWER

QIAMPLITUDE I

AL

AMPLIFIER======~

I

J

I

EMITTER

FOLLOWER

A2QIO

FEEDBACK

o

S2RI-;S2RI2

0-0920-RO

REGULATED

POWER

SUPPLY

1-----+30V

1------25V

p===NORMAL

EMITTER

FOLLOWER

AIQ8

MONITOR CIRCUIT

RECTIFIER AICR8,CR9

=~

I-----{

MI

01810-1

Figure

6-1.

Block

Diagram

6-3

Section

rf

=============

VI

A2

ASSEMBLY============~

Model 651B

Q6

2

3 4

WHT

WHT/ORN/YEL

IORN/GRN

5

QI2

6 7

8

A

ORN

RED

5 4

6

B

c

C7

Cig

CIB

CI!I

C22

o

E

Q4

8

10

11

12 13 14 15 16

17

18 19 20 21 22 23 24

1 2 3 4 5 6 7

9

Q!I

C

Bl Cl D2 D2 C4 C2 B3 C4 C4

D4

D4 D2 D3 C5 C7

D7

B6

E3

D6

De

E7 El

C7 E4 C6

A2

CR

D2 D2

C2 D3 D3 C3 D3 D3

USEMBL

LOCATIONS

Q

L

B2

Cl

E2

D1

Dl

Fl

F2 Cl

A2

E3 D5 D5

F5

F6

A5

COMPONENT

WHT/BRN/GRN

Y

R R

25

Cl

Cl El Cl

Cl

D1

Dl Dl C2 D2 C2 C4 D2 C2 C3 C3 C3 D3

D4

E5 E4 D3 D3

D3

2e

E3

27

E2

28

---

29

C5

30

C5

31

C5

32

---

33

C5

34

D5

35

D5

36

C6

37

E7

38

E6

39

E6

40

B6

41

B6

42

B6

43

B7

44

B7

45

B5

QIO

QII

A2

ASSEMBLY

PIN NO.

9

10

11

12 13 14 15 16 17 18 19 20

WIRE

COLORS

[BOTTOMI

COLOR

WIRE

WHITE

BLACK

WHT/ORN

BLACK

ORANGE

WHT/YEL

RED

WHT/YEL

BLACK

WHT/BLK

BLUE

,,-,

',.I~

6520-

8-0828

F

6-4.

p/o

Figure

6-2.

Oscillator

Circuit

01810-1

81

f

RII

*

RANGE

R8

(C3

C4

UNDER

C5

(C6

UNDER C5)

C4)

CI2

652A-C-0798

NOTES

1. PARTIAL OR SUBASSEMBLY DESIGNATION(S) OR BOTH FOR

2. COMPONENT VALUES ARE

3.

----------DENOTES

4.

5.

----------

6.

c::::=::=:J

~

7.

0 DENOTES FRONT

8.

9.

10.

<J

* AVERAGE VALUE SHOWN, OPTIMUM VALUE

11.

12·0

13. 1

REFERENCE

RESISTANCE IN OHMS CAPACITANCE IN MICROFAIlADS

DENOTES FRONT DENOTES SCREWDRIVER ADJUST.

~

DENOTES CHASSIS GROUND. DENOTES

DENOTES GROUND CONNECTION MADE WITH ASSEMBLY MOUNTING SCREWS IN

DENOTES SHIELDING BEAD.

DESIGNATIONS ARE SHOWN.

SHOWNASFOLLOWS UNLESS OTHERWISE NOTED.

----DENOTES

DENOTES FEEDBACK PATH.

PANEL

CONTROL.

CmCUIT

GROUND.

PLACE.

ASSEMBLY. MAIN SIGNAL PATH.

MARKING.

PREFIX

COMPLETE

SELECTEDATFACTORY.

WITH ASSEMBLY

DESIGNATION.

R4

A2

SCHEMATIC

COMPONENT

C

CR

H14 E15

1 2

D13 F15 E16 3 F16 4

5 F 8 G18 F16 6 7 J 8 H 7 F18 F14 31 C20 8 J 9 F18 9

10 J 8 11 12 C16 13 14 15 16 H19 17 D19 18 19 20 21 22 F23 H17 23 24

F15 G14

J16

G15 E15

F 7 H 8 G16 H14 30 H19

J 7 F18 G20 D14 33 G20

G17

C17 J22 J23 E 7 39

G22

F22 D23 014

J17

G23

lOCA

liONS

L Q R R

G16

F12

F11

25

F14 G12

F20 D14 32

E21 H15 34 D20 F22

G22

26 27

J15 G14

28 29

H14

F16 35 F21 G16 36 J12

37 C23

D 7 38 F22

F 7 40

41

G 7

42

G 7

H10

43 44

H 8

45 H22

J 8

G17

E17

D17 C18 D16

---

F20

---

H21

F23 G23 G23 G23 J23 H23

A

B

C

D

E

CIA

14-617PFI

F

r-

L

G

r-------

6

IFREOUENCYI

H

J

K

~2A-J-OB86

V

2

A B

(F) IR)

(f){RI

.--

F--(

,h'

H

t:J.-

'-----

,---__._-----1~-__._-----<~-~------_<f----__.--__1-----------------------__1r_

*

SIRI SIR3 SIR5

560K

SIR2 SIR4 SIR6

IRANGE I

SIF(R)

12M

39K

1.23M 123K

[KIQJ

IXlool

SICI L. SIC2

75PF

r"5-20PF)~

r----+----+----,

/CIB

; 14-617PF

J

I RANGEl

OOQ]

SIE(R)

----------------------i,/

I RANGEl

SIC(F)

L..

SIRI3

24.5M

*

SIRI4

1.6M

@Q] I

0.66PF

Xiool

SIRI5

~IRI7

2.45M

*SIRI6 *SIRIB *SIR20

120K

SIC

I

(~IC!?

I.OPF

3

C D E

(F]

(R)

f-----

F===

1=

f----

* * * *

3900

12.3K

OOKJ

10KHz

ADJUST

~

I",

@EJ

~SIR/9

245K

24.5K 2510

12K

1100

SIC9)

1.5-7PF I MHz

ADJUST

4

SI

IRANGEI

(F]

SIR7 SIR9 SIRII

430

SIR8

}r

IXIOKI IX/OOKI

(F)

(R)

-

= =

- -

13

IC

SIRIO SIRI2

3

/

2PF

1210

IMHz

ADJUST

~~

SIC3~~t

47PF

!rXIOKI

14-617PF

SIC4 / 7-45PF

IXIOOKI

'tIC

SIR21

(~~~*

110

~

5

F G H

(RlO')

(F)

(R)

6

(f)

(R)

-

=

20

/00

[KIMJ

10MHz

ADJUST

5-~~~J:SIC6

12PF

OOMJ

SIR23 225

SIR24

30

10MHz ADJUST

*~

:;0("

;I

1.5-7PF

SICIO

~---

r OSCILLATOR

I 1

16

RI5

1500

C6

+

1000

*R16

261

L----.:

CR7

I +

I

I C9

~./O

'-----

u

'-----------<)--<~___l

7

8

------------------

CIRCIT(00652-6650/)

9

+FEEDBACK

RI4

2K

-FEEDBACK

C5JI10MHz

1.7-14.IPF/".

'''IS:::T'''0'''R=

::01

~

I

~CR6

R20

2.7

.C7

-2000

R21

Q]

TPI

CIO

16

19

,,---

TI

D

0

ADJUST

RI7

100

RIB* 100

,,,,:

~

- u r-

SIG(F)-[]

001QJ

~D+--------'

0---

CKiiKl

o

OO!QE]

o

,[]~

o

...J

10

II

12

13

CRIQ:] SID(R)

[RjQQJ

UK]

ITIQK]

=0

:X~~:K:OO

15----

------1-------------

C2

+

200

RI IK

~

\:!:f-

R2 6200

RI9

20K

RI3

C6

10

IRANGE I

- -

I

-:.

*C21

4.7PF

100

R4

IK

CI

.

,?

"j6

~

14

SECOND APPEARANCE

- -

fP02

~

fP

\!::::,

+

15

---

R9 IK

R7* 20

03

R6 91

R5 RIO 1200

R3 43K

- -

CR2

CR3

CR4

620

---

la-Tn

- -

*~3

0.1

R

~

fP06

~

16

IAMPLITUDE I 0

_v

--C-'21

500

R27

2.7

lie:>

L2*

05

RII 13

RI2 13

110

L1*

R26

30.1

J7

~6~

~

J-..J-

--

1

-

5

+

+Tf6~

...

CII

200

+

R23 47

.. 1

- - -

4

R25

11.75K

R24*

IK

R22 2K

~-----+-------~--+------~-----_t------------------~---_i:.

13

-

~ANGE

SIE(R)

I -

[]]QJ

--

5-20PF

~

17

n

---y--\/-----'

SIC7

10KHz

~

VO

-25V

7

12

IRANGEI I

c:RJQ:JP/O

,,===a---<>-"'

[RjQQJ [KjQQJ

SIC(R)

14

-----

RANGE

P/O

__

)--<~==~

II

I (AMPLITUDE)

SIC(R)U!Q:]

18

+30V

/r'-R:6---

10

/p07

~

CR6

CR9

CR5 7V

~

9

TP2AA

-.3TO-.4VDC

6

R2B 0 I VERNIER I

100

19

- -

+1C17

J,.8

SEE

---

R30 39K

NOTE

20

- -

---

R31

82K

r«06

12

~

R34

*R29

150

-

--

2K

CXlK:J

WQK]

lmQK]

o

CillO

...

_-

o

~

~~

.....

COPYRIGHT

1966BYHEWLETT-PACKARD

COMPANY

27

ATTENUATOR=============---

R31

BZK

20

21

22

24

25

26

"

---

- -

----

- - I

__

A

+30V

,--

R37 Z.7

II

12

14

15

16

17

18

19

~

CIZ

500

+ + CI3

0

~M

=

100 RZ6

10

-----

c:mD

o

__

- _ _

15

---:t-~_=---]I5--14--~I~---

.

<C"""'O

.,.,

_'.

APPEARANCE

: _ _ IQ-IZV

.

'16

-

--

- -

IA

. '''''00' I

--rJ~

-...L-l

_

28

52

OUTPUT

SZRIZ

29

30

A

B

c

o

RI3 10

tl-+-+-~t

__

'70

SIC7 - -

4J

-ZOPF 10KHz

ADJUST

~

-y-

-Z5V

7

-

IZ

CZI

*

4.7PF

14

IRANGEI

P/O SIC(Rl

c::m:J

~

UiLl

-

R34

ZK

10MHz

FLATNESS

~

R39 100

R43 IK

_1-

CZZ IZOO

R41

360

CZ4*

IPF

zo

31

I

-----'199,

J

I

--~

I

)

>r-TO

I

>r-TO

I

AI-14

SIH

'1

= I

_____________

-,,...----

ClF) I C(Rl

1

I

1 1

I

I I I

I

I I

I

1

I

L.

0----0

I

I I I

I

0----0

SZ

OUTPUT

ATTENUATOR

A 8

, -,

A(F,Rl,'

LSHIELD

I

I I

I

JZ

I

50nl

!!

""Fh

____

I

I I

I

I I

I

-I

E

F

G

H

J

K

RZ7 Z.7

RZ5

11.75K

TPzAA

_--t-l--.A

_

--

---

--

-:E

o,,~::':":::'OC-

'oor

'''~''''

SEE

~

-

-='-

__

~

o

UI![]

~o_~

~

COPYRIGHT

1966

BY

HEWLETT -PACKARD

'.

COMPANY

Model

651B

Section

VI

22

23

+30V

. 1 _

R37

2.7

R39

100

R40

100

R42

R45

30.9

IK

C22 1200

R41 360

C24* IPF

R44

2.7

24

20

31

191

2 I

)

»-TO

»--TO

I

>----25V

AH4

SIH

25

26

f========ATTENUATOR========"'\

,-,

27

OUTPUT

t

52

28

S2RI2

0----0

29

SEEN~

R/3 550

30

,-,

r

,-,

1

J2

I

50nl

J3

1600nl

A

B

c

D

E

F

G

H

10MHz

FLATNESS

~

CI4

1.7-14.1 PF

'-----+

R43 IK

__

I.

-.J

I

01810-1

~------------------------------------~

~

Figure

ABC

'lIW

6-2.

Oscillator

D E

Circuit

J

K

6-5/6-6

f=======

AI

ASSEMBLY

======:-.

MONITOR CIRCUIT

CI6

ORN

WHT/REO/ORN

IREOIV

WHT

lle2A-B-OB27

I0

POWER

C3

SUPPLY

CIBCI7

WHT/GRN

WHT/YEL

YEL WHT/BLU

WHT/BRNIVIO

WHT/BRN/BLU

BLU

WHT/BRN/ORN

WHT/BLK

PARTIAL

WITH ASSEMBLY OR SUBASSEMBLY DESIGNATION(S) OR BOTH

FOR

2. COMPONENT VALUES ARE WISE NOTED.

3.

4.

c==:J

5.

C::::::::::::J

6.

~

7.

W"$fi"'/~

.,;,

8.

9.

'\1

10.

(/)

REFERENCE

COMPLETE

RESISTANCE IN CAPACITANCE IN MICROFARADS

DENOTES FRONT DENOTES REAR DENOTES SCREWDRIVER ADJUST.

DENOTES CHASSIS GROUND. DENOTES CffiCUlT GROUND. DENOTES GROUND CONNECTION MADE WITH ASSEMBLY

MOUNTING SCREWS IN

DESIGNATIONS ARE SHOWN.

DESIGNATION.

SHOWNASFOLLOWS UNLESS

OHMS

----DENOTES PANEL

PANEL

DENOTES COMPONENTS NOT MOUNTED

~

ASSEMBLY.

PLACE.

ASSEMBLY.

MARKING.

1.

NOTES

PREFIX

OTHER-

ON

I'ro

AI

F,;

+30V

RI7 10

R24 10K

(00652

W,~,

-66502)

R20

39K

CIO 100

--I

MONITOR CIRCUIT

C9

RI6 2K

+

~O.I

RECTIFIER

16

I +

+

CII

300

CRII

I

MI

~~~~

14

~"'--ooooIl--lp---.~~I--....j~

CI4 100 100

I +

-25V

R25

R26

15K

R26

510

R27

1690

CI5

1.5-7PF

10MH,

ADJUST

~

BY

HEWLETT-PACKARD

COMPANY

SEE

J-Oee7-ftO

NOTE

17

II

Model 651B

Sect

ion VI

WI

m

LINE

r==FILTER~

100MH

JI

100MH 100MH

BY

L2

LI

100MH

L4

L3

HEWLETT-PACKARD

C3 1000PF

C4 1000PF

S2

@ffi

ILiNEI

DSI

COMPANY

RI 33K

•

[I~J

T

I

I I

I I I

I

8

7 4

6

II

~

9

PIO

A I I

POWER

I

,

CR2

5

I I

I

CRI

3

I

CR4

7 II

I I

I

CR.,3

6

["'l

I

L

__

- -

SUPPLY

(00652-

~

9

~oo

/14

e~~

bJl

~

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~/:a

--

66502)

RI

3900

R7 R30

3900

--

R29

3900

I

~

~/7~~

9~

Lo,~

3900

I

,-6

--

- -

6

....----

CI7

65

f

R2 7500

R3

10

~6if~J

'L/../.

CI8

65

II

1(~lI2

I

J

,18

R8

15K

13

02

I I

L

__

3900

I

~

CR6

t

~07

RII 43

~

RIO

820

I

CR5

7V

9

~

R9

9.1

RI5

9.1

--

C2 20

+

--

+

,~CR7

C5 20

--

Figure

+30V

ADJUST

~[

R6 3K

R5*

7500

R4 2K

6-3.

--

RI3 100

RI4 6K

RI2 5030

Monitor

- -

+

--

Circuit

C3

65

~~~

and

--I

+30V

TO

NORMAL

METER

CIRrlT

SEE

N~

~

r

-25V TO

NORMAL

METER

CIRC~T_

652A-O-0888

Power

I I

I

/>--

I

~

I

2,

I

/>--

I

.=.J

Supply

.,1-

01810-1

6-7/6-8

Mode1651B

Section VII

7-1.

INTRODUCTION.

7-2.

This replacement meric

orderoftheir

cates

the

description,

together

·with any

following:

Total

a.

column). The the

Descriptionofthe

b.

tions Typical

c.

digit

facturers.

Manufacturer's

d.

section

parts.

contains

Table

information

7-1

reference

-hp-

part

quantity

first

applicable

time

notes,

usedinthe

total

quantity of a

the

part

part.

below. )

manufacturer

code. (See Appendix A

)

part

REPLACEABLE

for

lists

parts

designators

numberofeach

and

provides

instrument

number

of

number.

appears.

(See

listofabbrevia-

the

part

for

SECTION

ordering

in

alpha-

and

indi-

part,

the

(TQ

partisgiven

in a

five-

listofmanu-

VII

PARTS

7-3.

Miscellaneous

Table

7-1.

7-4.

ORDERING

7-5.

To

obtain

inquirytoyour

(See Appendix B partsbytheir instrument

7-6.

NON-LISTED

7-7.

To a. b.

c.

d.

Hewlett-Packard

model

obtain a Instrument Instrument Descriptionofthe Function

parts

INFORMATION.

replacement

local

Hewlett-

for

list

of office

and

serial

PARTS.

part

thatisnot model serial

and

locationofthe

are

listedatthe

parts,

Packard

part

numbers.

number.

part.

address

Field

locations.)

numbers.

listed,

include:

part.

end of

order Office.

Identify

Include

or

A

B

BT

C

CR

DL

DS

E

Ag

AJ

amp Au

C

cer coef com comp

conn

cps dep

DPDT DPST

elect encap

f

FET fxd

GaAs

Gc

gd

Ge

grd

h

Hg

REV 0

;

assembly

;::

motor

;

battery

;

capacitor ; diode ;

delay

line

;

lamp

;

misc

electronic

;

silver

= aluminum

;

ampere

; gold ;

;=: ceramic

;

;;;

;

::;

; ;

; ; ; fixed

; ;

; ; ; ground (ed)

;

:;:

(s)

capacitor

coefficient

common

composition

connection

cycles

per

deposited

double-pole

throw

double-pole

throw

electrolytic

encapsulated

farad

(s)

field

effect

galliumarsenide gigacycle

guard

(ed)

germanium

henry

(ies)

mercury

second

doublesingle-

transistor

(s) ; 10+

part

DESIGNATORS

;

F FL

HR

J

K

L

M MP ;

ill

impg;impregnated incd

ins

K Kc

L

lin log

m ma Mc meg

met mfr mtg

IJ.

my

9

na NC Ne NO NPO

®

fuse

;

filter

;

heater

;

jack

;

relay

;

inductor

;

meter mechanical

;

inside

diameter

;

incandescent

;

insulation

; kilohm (s) ; 10+

;

kiloycycle

;

inductor

;

linear

taper

;

logarithmic

;

milli

;

10-

;

milliampere

;

megacycle

; megohm (s) ; 10+

flm ;

metal

film

;

manufacturer

; mounting

;

micro;

10-

;

Mylar

®

;

nanoampere

;

normally

;::

neon

;

normally

;

negative

positive

(zero

temperature

efficient)

DupontdeNemours

part

(ed)

(s) ; 10+

taper

3

(s) ;

(s) ; 10+

6

(s) ;

closed

open

3

ABBREVIATIONS

3

10-

6

9

10-

zero

co-

; plug

P

Q

; QCR ; R ; RT S T TC ;

ns nsr

obd ;

OD

p pc

pf ; piv

plo

pos poly ; pot p-p prec

R

Rh

rms

rot

Se sect Si sl

transistor transistor-diode resistor

;

thermistor

;

switch

;

transformer thermocouple

; nanosecond (s) ;

; not

separately

able

orderbydescription

;

outside

diameter

; peak tog

;

printed

circuit

picofarad ; peak ;

part

;

position polystyrene

;

potentiometer

;

peak-to-peak

;

precision coefficient, stability, erance)

;

resistor

;

rhodium

;

root-mean-square

;

rotary

;

selenium

;

section

;

silicon

;

slide

(s) ;

inverse

of v

(s)

(temperature

andlor

(s)

replace-

10-

voltage

long

10-

12

term

tol-

;::

V

W ;

X

XDS

XF

Z

9

SPDT SPST

Ta Ti0

tol trim TSTR

vacw val'

vdcw

w

wi

wiv

wlo

ww

**

vacuum tube. neon

bulb, photocell etc. cable

;

socket

;

lampholder

;

fuseholder

; network

;

single-pole throw

;

single-pole throw

;

tantalum

;

titanium

2

; toggle ;

tolerance

:;

trimmer

;

transistor

; volt (s) ;

alternating

working

;

variable

;

direct volt (s)

; watt (s) ; with ;

reverse

; without

;::

wirewound

;

optimum at

factory, value be

omitted)

;nostandard

bel' or

special

dioxide

volt (s)

current

working

value

shown

assigned

double-

single-

cur-rent

average

(part

type

(selected

type)

working

voltage

selected

may

num-

01810-1

7-1

..;J

I

N

00

ct>

(")

....

o

::s

~

MP3

o

....

00

....

o

I

....

ITEM

CD

ATTACHING HARDWARE

-hp-

PART

NO.

3030-0022 3030-0001 3030-0004

DESCRIPTION

Screw: Screw: Screw:

Set,

6-32x1/8" Set,8-32 x Set,8-32

Figure

xl"

3/16"

long

7-1.

long

Frequency

Tuning

Assembly

MPII

6~IA-B-06'1

s::

o

0-

ct>

-

a>

c.n

....

tIl

Mode165lB

I={

======TOP

MPI2

MPI3

======:::,

MPI4

MPI5

F======BOTTOM=======.,

MPI6

MPI7

MPI8

Section

MPI9

vn

•

·000

MP29 MP28

C-0818-RO

MP27 MP26

MP25

MP24 MP25 MP23

MP30

MP22

MP35

MP21

MP20

01810-1

Figure

MP40

7-2.

Chassis

Mechanical

Parts

7-3

Section

VII

Table

7-1.

Replaceable

Parts

(Cont'd)

Model

651B

REFERENCE

DESIGNATOR

Al

A1C1 A1C2

A1C3 A1C4 A1C5

A1C6 AlC7,

A1C8 A1C9 A1C10

A1C11 A1C12, A1C13

A1C14 A1C15

A1C16 A1C17, A1C18

thru

A1CR1

A1CR4 A1CR5 A1CR6, A1CR7 A1CR8, A1CR9 A1CR10,

A1CR11

A1Q1 A1Q2 A1Q3 A1Q4 A1Q5

A1Q6, A1Q7 A1Q8 A1Q9

A1R1 A1R2 A1R3 A1R4

A1R5* A1R6

A1R7

A1R8 A1R9 A1R10

A1R11 A1R12 A1R13* A1R14 A1R15

A1R16 A1R17 A1R18, A1R19 A1R20 A1R21

-hp-

PART

O.

00652-66502

0180-0045 0180-0149 0180-0045 0180-0149

0150-0084 0180-0061

0180-0062 0180-0058

0180-0061 0121-0127

0180-0284 0180-0149

1901-0026 1902-0045

1901-0025 1901-0027 1901-0025

1850-0107 1853-0036

1854-0218 1854-0042

0683-3925 0686-7525 0687-3921

2100-0090 0683-7525 0683-3025

0683-3925 0687-1531 0689-0915

0683

-8215

0683-4335

0757-0039

0683-3915

0757-1013

0689-0915

0684-1001

0683-2025

-3935

0683

TQ

1

2

4

4 3

3

2

3 2

4 1

10

2

3

2

3

4 1 1 R: 1

1 1 1 R:

2

1 R: 2

1 2 1 R:

1 3 2

Pc

board:

Not C: fxd Al

C: fxd Al Not C: fxd Al

C:

Not C: fxd C:

C: C:

C:

C: Diode: Diode:

Diode: Diode: Diode:

Not

TSTR:

power

assigned

elect elect

assigned

elect

fxd Al

elect

assigned

cer

air

0.1

elect elect elect

elect

1. 7

elect elect

fxd AI fxd Al fxd Al

fxd Al var

fxd Al fxd AI

Si 200 breakdown

Si 100 rnAat+1 Si 1N4392 1pF10 Si 100 rnAat+1

assigned

Ge

PNP

TSTR:SiPNP

assigned

Not

TSTR:

TSTR;

R:

R: R:

R:

R: R:

R: R' R:

R: Not

R: fxd R: fxd R: fxd Not

Ge

PNP

Si

PNP Si NPN 2N3393 Si

NPN comp

fxd

comp

fxd

comp

fxd

var

comp

fxd fxd

comp comp

fxd

comp15Kn

fxd

comp

fxd

comp

fxd

comp43Kn

fxd fxd

met

flm

comp

fxd fxd

met

fxd

flm

comp

assigned

comp comp comp39Kn

assi<med

DESCRIPTION

supply

20 p.F

+75%

-10% 25 vdcw

65 p.F +100% -10% 60 vdcw

20 p.F

+75%

-10%25vdcw

65 p.F +100% -10% 60 vdcw

p.F

+80%

-20% 50 vdcw

100 p.F +75% -10%15vdcw 300 p.F

+75%

-10% 6 vdcw

50 p.F +75% -10% 25 vdcw

100 p.F +75% -10% 15 vdcw

to

14.1

pF 200 p.F +75% -10% 30 vdcw 65 p.F +100% -10% 60 vdcw

piv

7.32

V ±2% 400 mW

V 100

piv12pF

wiv

0.5

V 100

ns

piv12pF

2N398A

2N3906

2N398A 2N3906 SM1570

3900n

±5%

1/4 7500n 3900n

lin

200n

7500n

3000n 3900n

carbon

820n

±5%

5030n±1%

390n

±5%

6000n±1%

carbon

IOn

±10%

2000n

±5% ±10%

±5% ±5%

±5% ±10%

9100n

±5%

9100n

±5% ±5%

1/2

±30%

1/4

1/4 1/4

W W

1/2

W

0.15 W W

W

1/2

W ±5% 1 W W

W

1/2

W

1/2

±5%

W

W W

W

W W

1 W

glass

MFR.

28480

56289

MFR.

00652-66502

30D206G025

DSM

56289 56289

(Type

30D206G025

DSM

56289

(Type

33C41 30Dl07G015JX:2-

DSM

56289

30D307G006DF2-

DSM

56289

30D506G025CC2-

DSM

56289

30Dl07G015DC2-

DSM

74970

56289 56289

04713 07263

03877

189-505-5 D38559 (Type

1358-8

SR obd

SG

917

73293 obd

SG

03877

04713 04713

24446 04713

01121 01121 01121 71450

817

2N398A 2N3906

2N3393

SM1570

CB3925 EB7525 EB3921 UPM-70RE

01121 CB7525 01121

01121 01121 01121 01121

01121 75042 01121 75042 01121

01121 01121 01121

CB3025 CB3925 EB1531 GB91G5 CB8215

CB4335 CEC CB3915 CEC GB91G5

CB1001 CB2025

CB3935

PART

NO.

DB2-

30D) D36978

DB2-

30D) D36978

obd

30D) D36978

obd

obd obd

(-hp-)

obd

T-O T-O

obd obd

7-4

01810-1

Model

651B

REFERENCE DESIGNATOR

A1R22* A1R23 AlR24 A1R25 A1R26

-hp-

PART

NO.

0683-1025

2100-0282 0687-1031 0684-1011 0683

-1535

Table

TQ

4

1 R: 1 R: 2 1

7-1.

fxd

R:

var fxd

R: fxd

fxd

R:

Replaceable

DESCRIPTION

comp

1000n

ww

2000n comp10Kn comp

lOon

comp15Kn

Parts

±5%

±20%

±10%

±5%

1/4

1-1/2

1/2 1/4 1/4

(Cont'd)

W

W W W

MFR.

01121 CB1025

11236 01121 01121 01121

110

EB1031 obd CB1011 CB1535

Section

PART

VII

NO.

obd

AlR27 AlR28 A1R29.

A1R30

A2 A2C1

A2C2 A2C3.

A2C4

A2C5

A2C6

A2C7 A2C8

A2C9

A2C10 A2Cll

A2C12 A2C13

A2C14 A2C15

A2C16.

A2C17 A2C18 A2C19 A2C20 A2C21* A2C22

A2C23 A2C24*

A2CR1 A2CR2

thru

A2CR4 A2CR5 A2CR6.

A2CR7 A2CR8.

A2CR9

A2L1*.

A2L2*

A2Q1 A2Q2 A2Q3 A2Q4. A2Q5 A2Q6 A2Q7 A2Q8 A2Q9. A2Q10.

A2Qll

0698-0026 0683

-5115

0683

-3925

00652-66501

0180-0061

0180-0284 0150-0084 0121-0127 0180-0305

0180-0112 0180-0062

0180-0076 0150-0084

0180-0060

0180-0063 0180-0039

0121-0127 0180-0062

0180-0101

0180-0306 0180-0307 0180-0101 0150-0042 0180-1756

0180-0101 0150-0022

1902-0046 1901-0025

1901-0778 1910-0016

1901-0040

9170-0016

1855-0004 1854-0042 1853-0046 1854-0053 1853-0012 1854-0218 1854-0042 1853-0007 1854-0053

R:

fxd fxd

1 R: 1

R: fxd

1

Pc

board:

fxd Al

C:

fxd Al

C:

fxd

C:

var

C: C: fxd Al

1

2.5

C:

C: C:

C:

C: C:

C:

C: C:

C:

fxd Al fxd Al

fxd fxd

fxd Al

fxd Al fxd Al

var fxd Al

fxd fxd Al

fxd Al fxd fxd fxd Al

fxd

1 C:

1

1 C: 1

4

1 C: 1

1 C:

1 C: fxd

Diode:

1

Diode:

1

Diode:

3

Diode:

2

Diode:

Bead:

1 1

TSTR: TSTR: TSTR:

1

4

TSTR:

2

TSTR: TSTR: TSTR:

1

TSTR: TSTR:

met

£lm comp comp

1690n±1%

510n

±5%

3900n

±5%

oscillator

elect

100

IJ.F

elect

200

cer

0.1

IJ.F

+80% -20% 50 vdcw

air1.7to14.1

elect

1000

vdcw

elect

2000

elect

300

IJ.F

elect20IJ.F cer

0.1

elect

elect elect

IJ.F

200

500 100

25 vdcw

+80%

IJ.F

IJ.F IJ.F

air1.7to14.1

elect

300

IJ.F

Ta

1. 8

IJ.F

±10% 35 vdcw

elect

300

elect Ta1.8 Ti02

elect

Ta

1. 8

Ti02

breakdown

IJ.F

500

IJ.F

±10% 35 vdcw

4.7pF±5% 1200

IJ.F

±10% 35 vdcw

3.3pF±10% 500 vdcw

7.15

Si 100 rnAat+1

breakdown

Ge 60

7.87

wiv

Si

shielding

P

FET

channel Si NPN SM1570 Si

PNP

2N3250 Si NPN 2N2218 Si

PNP

NPN

NPN PNP

2N2904A

2N3393

SM1570

2N3251

Si Si Si Si NPN 2N2218

1/2

1/4

W

1/4

amplifier

+75% -10% 15 vdcw

+75% -10% 30 vdcw

pF

IJ.F

+100% -10%

IJ.F

1 vdcw

+75% -10% 6 vdcw

-20% 50 vdcw

+75% -10% 3 vdcw

+75% -10% 12 vdcw

pF

+75% -10% 6 vdcw

+100% -10% 15 vdcw +100% -10% 15 vdcw

500 vdcw

IJ.F

+100% -10%

V ±10% 400 mW V 100

piv12pF

V ±2%

19701

MF7C 01121 CB5115 01121

28480

56289

CB3925

00652-66501

30D107G015DC2-

DSM· 56289 56289 74970 56289

56289 56289

D38559 33C41

189-505-5

34D108H2R5FJ4

D33239 30D307G006DF2-

DSM 56289

40D206G025DC6-

DST 56289 56289

33C41 30D207G003CC2-

DSM 56289

30D507G003DF2-

DSM 56289

30D107G012CC2-

DSM 74970 56289

189-505-5 30D307G006DF2-

DSM 56289

56289 56289 56289 78488 56289

56289 78488

04713 03877

07910 03877

03877

02114

17856 04713 04713 04713 04713 24446

150D185X9035B2

34D307H015FJ4 34D507H015FJ4 150D185X9035B2 Type Type

150D185X9035B2 Type

10939-139 SG-817

obd S3185G

SG-5050

56-590-65/3B U112

SM1570 2N3250 2N2218 2N2904A

2N3393 04713 SM1570 04713 04713

2N3251

2N2218

T-O

GA 34D

GA

obd

Special

obd

01810-1

7-5

Section

vn

Table

7-1.

Replaceable

Parts

Model 651B

(Cont'd)

REFERE DESIGNATOR

A2Q12 A2R1

A2R2

A2R3 A2R4 A2R5

A2R6 A2R7* A2R8, A2R9 A2R10 A2R11. A2R12

A2R13 A2R14 A2R15 A2R16* A2R17

~

A2R18* A2R19 A2R20 A2R21 A2R22 A2R23 A2R24*

A2R25 A2R26 A2R27 A2R28 A2R29*

A2R30 A2R31 A2R32 A2R33 A2R34

A2R35 A2R36 A2R37.

A2R38

A2R39.

A2R40

A2R41

A~R42.

A2R43 A2R44 A2R45

thru

C1A C2

C3. C4 C5. C6 C7

DS1

F1

thru

L1

L4

CE

C1C

-hp-

PART

NO.

1853-0012 0687-1021

0683-6225 0683-4335 0683-1025 0684-1221

0683-9105 0683-2005 0686-1025 0693-8211 0686-1305

0687-'1001 0757-0739 0757-0736 0757-1090 2100-0108

0684-1011 0683-2035 0683-0275 0684-1031 0757-0739 0683-4705 0683-1025

0757-0757 0687-1001 0683-0275 0757-0500

0684-1511 0683-3935

0683-8235 0684-1521

0686-2025 0689-4315

0693-6811 0683-0275 0757-1012

0683-3615 0683-1025

0683-0275 0757-0500

0121-0018 0150-0014 0150-0005 0180-0047 0150-0014

2140-0015 5040-0234 5040-0235

2110-0019 9140-0029

TQ

1 1 R:

1 R: 1 R:

1 R: 2 1

3

2 2 1 1 R: 1 R:

1 R: 5 4 R:

1 R:

2

1

2

1 1

1

2 1 R:

1 R:

1 2 2 2

1 1 1

1 4

TSTR:

fxd

R:

fxd fxd

R:

fxd

R:

fxd fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

var

fxd

R:

fxd fxd

R:

fxd fxd

R:

fxd fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R:

fxd

R: R: fxd

assigned

Not

R: fxd

R: fxd R: fxd

R: fxd

R:

ixd

fxd

R:

fxd fxd

R:

fxd

R:

fxd var

C:

fxd

C:

fxd

C:

fxdAlelect

C:

fxd

C: Lamp:

Pilot Pilot

Fuse: Coil:

DESCRIPTION

Si

PNP

2N2904A

comp

1000n

comp

6200n comp43Kn comp

1000n comp

1200n comp

9In comp

20n

comp

IOOOn

comp

carbon comp

13n

comp

Ion

met

Hm Hm Hm

lin

lOon

2000n±1% 1500n±1% 26In

met met

comp

comp comp20Kn comp2.7n comp10Kn

met

Hm comp comp

met

comp

2000n±1%

47n

IOOOn

Hm15Kn

IOn ±10% comp2.7n comp

30.In±1%1/4

comp

150n

comp39Kn comp82Kn

comp

1500n

comp

2000n comp

carbon comp

carbon

.

comp2.7n met

Hm lOOn

comp

360n comp

1000n

comp2.7n met

Hm

30.In±1%1/4

air

3-sect

cer

0.005

cer

1000pF±20%

cer

neon light: light:

0.4Aslow-blow

radio

500

0.005 T-2

jewel base

frequency

±10%

1/2

±5%

1/4

±5%

1/4

±5%

1/4

±10%

±5%

1/4

±5%

1/4

±5%

1/2

820n

±5%

1/2

±10%

1/2

±1%

lOOn ±30%

±10%

1/4

±5%

1/4

±5%

1/4

±10%

±5%

1/4

±5%

1/4

±1%

1/2

±5%

1/4

±10%

1/4

±5%

1/4

±5%

1/4

±10% ±5%

1/2

430n 680n

±5%

1/4

±O.

25%

±5%

1/4

±5%

1/4

±5%

1/4

14.75pFto

IJ.F

500 vdcw

IJ.F75

IJ.F

500 vdcw

bulb

NE2H

125 V

100

W W W W

1/4

W

W W

W

±10% 2 W

W

1/4

W

1/4

W

1/2

W

0.15

W W

W

1/4

W

1/4

W

1/4

W W W

W

W W

1/4

W

±5% 1 W ±10% 2 W

W

1/2

W

617.75

500 vdcw

vdcw

IJ.H

MFR.

PART

MFR. 04713 01121

01121 01121 01121 01121

01121 01121 01121 01121 01121

01121

19701 19701

75042

W

71450 01121

01121 01121 01121

19701 01121 01121

19701 01121

01121 01121

2N2904A EB1021

CB6225 CB4335 CB1025 CB1221

CB9105 CB2005 EB1025

HB8211

EB1305 EB1001

MF6C

T-O

MF6C

T-O

CEC UPM-65CV

CB1011 CB2035 CB27G5 CB1031

T-O

MF6C CB4705 CB1025

MF6C

T-O EB1001 CB27G5 MF6C

T-O

CB1511

CB3935 CB8235

NO.

obd obd obd obd

obd

01121 CB1521 01121

01121 01121

01121

W

75042 01121 01121

01121 75042

pF

28480 04222 04222

56289 04222

24446

28480

75915

99848

EB2025

GB4315 HB6811

CB27G5

T-O

CEC CB3615 CB1025

CB27G5 CEB

T-O

0121-0018

01-4

Type

CFS-1 D32443 01-4

obd

5040-0234 5040-0235

313.400 3100-15-101

obd

obd obd obd obd

obd

7-6

01810-1

Mode16518

REFERENCE DESIGNATOR

M1

(Std.

only)

M1

(Opt. 01 only

M1

(Opt. 02 only MP1 MP2

MP3 MP4

MP5 MP6

MP7 MP8 MP9 MP10

MP11 MP12 MP13 MP14 MP15

MP16 MP17 MP18 MP19 MP20

MP21 MP22

MP23 MP24

MP25 MP26

MP27 MP28 MP29 MP30

Attaching Hardware:

MP31 MP32 MP33

Attaching

Hardware:

MP34

Attaching

Hardware:

MP35

Attaching

Hardware:

MP36 MP37 MP38 MP39 MP40

Attaching

Hardware:

inst.

-hp-

PART 1120-0924 1

1120-0925 1120-0926

1500-0002 5040-0212

5060-0021 5000-0637 5060-0020

5020-0233 5020-0348 5020-0641 5020-0639 5020-0630

5040-0607

00651-00102

5040-0631 1200-0043 1400-0084

00651-05503 00652-05506

1205-0008

00652-04101

00651-05501

0370-0025 0370-0026

00651-05504

5040-0685 0370-0112

61B-40D-4 0370-0160

5040-0642

00651-04001

5060-0739 2370-0013

0510-0075

00651-00202

5060-0731 5060-0766

2515-0017 5000-0732

2370-0016

O.

5000-0733

5060-0222 5000-0051 1490-0030 5060-0767 5060-0751

2370-0013 0510-0075

Table

TQ

1 1

2

1 1 1

r

1 1 1 1 1

1 1 2 2

1

1 1 6 1 1

1 2

1 1

2

1 1 1 1 1

2 2

1 2 2

2 2

2 1

5 1

2 2

7-1.

Replaceable

Meter Meter

Meter

Yoke: Insulator:

Gear

assembly Spring: Gear

assembly

Collar Shaft Shaft:

Casting: Hub:

dial

Disc

assembly: Plate: Bracket:

Insulator: Holder:

Shield: Shield: Body: Plate: Shield:

Knob:

Shield: Bezel:

Knob:

Plate: Knob: Indicator: Dial

Cover Screw:

sheet

Nut: Panel:

Frame

Retainer:

Screw: Cover:

Screw:

Cover: Screw:

Handle

Cabinet Stand: Foot

assembly:

Cover Screw:

sheet

Nut:

DESCRiPTION

flexible

spur

capacitor

heat

cover

round

bar

frequency

round

assembly:

coupler

flexible

thrust

gear

Capacitor

capacitor

TSTR mounting

fuse

extractor

3 AG

cartridge

filter separates

sink

overA2board

power

over

black black

outer

cover

meter

window

skirted

black

dial

machine

metal

rear

assembly:

handle 5" high

machine side

rear

machine side

front

machine

assembly:

trim

tilt

stainless

machine

metal

Parts

coupling

drive

vernier

mount

post

fuse

board

switch

vernier

black

dial

top 11" long

5 x11full

5" high

steel

full

module

bottom

(Cont'd)

assembly

drive

type

module

side

rod

11" long

for

single

MFR. MFR.

55026 55026

55026

76487 Single yoke 28480

28480 28480 28480

28480 28480 28480 28480 28480

28480 28480 28480 OOOLB 75915

28480 28480 13103

28480 28480

28480 28480 28480

28480

28480 28480 28480 28480

73076 obd 78553

28480 28480 28480

77250

28480

80120

28480

80120

28480

91260 obd

28480 28480

73076 obd 78553

1332 obd 1332

1332

5040-0212 5060-0021 5000-0637 5060-0020

5020-0233 5020-0348 5020-0641 5020-0639 5020-0630

5040-0607 00651-00102 5040-0631 293011 342014

00651-05503 00652-05506

1101-24-2 00652-04101 00651-05501

0370-0025

0370-0026

00651-05504

5040-0685

0370-0112

61B-40D-4

0370-0160

5040-0642

00651-04401

5060-0739

C11351-632-24B 00651-00202

5060-0731 5060-0766

obd 5000-0732

obd 5000-0733

obd

PART

of 39006

5060-0222 5000-0051

5060-0767 5060-0751

C11351-632-24B

Section

portion

coupler

vn

NO.

obd obd

01810-1

7-7

Section

VII

REFERENCE DESIGNATOR

MP41

(Std.

only)

MP41 (Opt. 01

only)

MP41 (Opt. 02

only)

Ql.

Q2

Rl

R2 R3 R4

Sl SlCl

SlC2 SlC3 SlC4 SlC5 SlC6

SlC7 SlC8 S'lC9,

SlCI0

SlCll

SlC12 SlC13

SlRl* S1R2 SlR3* SlR4 SlR5*

S1R6 SlR7* S1R8 S1R9* SlRI0

S1Rll* S1R12 S1R13 S1R14 S1R15

SlR16* S1R17 S1R18* SlR19 S1R20*

SlR21 SlR22* S1R23 SlR24*

S2

(Std.

and

Opt. 01

only)

S2

(Opt. 02 only)

inst.

-hp-

PART

O.

00651-00205 00651-00206 00651-00207

1850-0098 0684-3331

2100-0732 2100-0079 0766-0029

00651-61901

0140-0040 0130-0006 0140-0032 0130-0001 0130-0006 0160-0987

0130-0006 0140-0001

0130-0003 0150-0046 0150-0029 0150-0031

0686-5645 0730-0145

0686-3935

0757-0983

0686-3925

0757-0981

0686-4315

0757-0042

0686-1305

0757-0821

0686-2005

0757-0198

0733-0006

0686-1855

0757-1017

0686-1245

0757-0982

0686-1235

0757-1014

0686-1125

0757-0038

0686-1115

0757-0980

0686-3005

00651-63401

00651-63402

Table

7-1.

TQ

Panel:

1

Panel:

1 1

Panel:

2 TSTR: 1 R:

1 R: 1 R: 1 R:

Switch

1 1

C:

3

C: C:

1

C: C:

1

C: C:

1

C:

2

C:

1

C:

1

C:

1

C:

1 R: 1 R: 1 R: 1

R:

1 R: 1 R:

1

R:

1 R:

R:

1 R:

R: fxd

1

R:'

1

R: fxd

1

R: fxd

1

R: fxd

1 1 R:

1

R: 1 R: 1 R: 1 R:

1 R: 1 R: 1 R: 1 R:

Attenuator

1

Attenuator

Replaceable

Parts

DESCRIPTION

front

front front

Ge

PNP*

camp33KO

fxd

var

lin

camp

var

lin

fxd

met

assembly:

fxd

mica75pF

var

cer5to20pF

fxd

mica47pF

var

cer7to45pF

var

cer

fxd

mica12pF

var

cer

fxd

mica5pF

var

cer

50002-1/4

camp

2400

oxide

100

5 to20pF

1. 5to7

range

±5% ±10%

±5%

±20%

fxdO.68pF±5% fxd 1pF±10%

fxd 2pF±5%

camp

fxd

carbon

fxd

camp39KO

fxd fxd

met camp

fxd

met

fxd

camp

fxd

met

fxd

camp

fxd fxd

met camp

fxd

met carbon camp met

camp

fxd fxd

met camp12KO

fxd

met

fxd

camp

fxd

met

fxd

camp

fxd

met

fxd

camp

fxd

500 vdcw

560KO±5%

flm

12 MO

flm

1. 23 MO

39000

flm

123KO±1%

4300

±5%

flm

12.3KO±1%

130

±5%

flm

12100

200

±5%

flm

1000

flm

24.5

1. 8 MO

flm

2.45

120 KO

flm

245 KO

flm

24.5KO±1%

11000

flm

25100

1100

±5%

flm

2250

300

±5%

Assembly

ment

and Opt. 01 only,

through

R13.

Assembly"for

includesRlthrough

(Cont'd)

±10%

1/4

±10%

±2%

pF 500 vdcw

1/2

±5%

1/2

±1%

±5%

1/2

±1%

1/2

±1%

MO

±5%

MO

±1%

±5%

±1%

±5%

1/2

±5%

1/2

±1%

1/2

±1%

1/2

for

standard

includes

Opt. 02 only.

R14.

3 W

±1%

W

1/2

W

1/2 1/2

1/2

W

1/2

W

2-1/4

W

1 W

W

1/2

W

1/2

W

±1%

W

1/2

W

1/2

W

1/2

W

2 W

W

Rl

W

instru-

MFR.

28480 28480 28480

28480 01121

01121 01121 07115

28480 04062

72982 04062 72982 72982 04062

72982 04062 72982 78488 78488 78488

01121 91637 01121 75042 01121

75042 01121

75042

01121

75042

01121

19701 91637

01121

75042 01121

75042 01121 75042 01121

75042 01121

75042

01121

28480

Model 651B

PART

MFR.

NO.

00651-00205 00651-00206 00651-00207

1850-0098 CB3331

Type Type LPI-3

J J

abel abel

abel 00651-61901 RCM 15E

503 000 RCM

B2P028R

15F

750J

470K 503-000-D2PO-33R 503 000

B2P028R

RDM15C120J5S 503 000

B2P028R RCM15C050M 503-000 Type Type Type

COPO-I0R GA GA GA

abel abel abel

EB5645 DC-l

abel

EB3935

CEC

T-O

abel

EB3925

CEC

T-O

abel EB4315 CEC

T-O

abel EB1305 CEC

T-O

abel

EB2005 MF7C

T-O

DC-2

abel

abel EB1855 CEC

T-O

abel EB1245

CEC

T-O

abel

EB1235

CEC

T-O

obd

EB1125

CEC

T-O

abel

EB1115

CEC

T-O

abel

EB3005

00651-63401

00651-63402

7-8

S2Rl, S2R3

S2R2

0757-1009 0757-1008

T-O

R: fxd

2

R: fxd

1

met met

flm flm

7900

247.50

±O.

±o.

25%

1/2

W

75042 75042

CEC CEC

T-O

obd abel

01810-1

Model651B

REFERENCE DESIGNATOR

S2R4

thru

S2R5

-hpNO.

PART

0757-1006 0757-1004

S2R8 S2R9. S2R10 S2R11, S2R12

S2R13

(Opt. 02

S2R14

0757-1005 0757-1007

0757-1016 0757-1025

only)

S3 S4

T1

W1 W2

3101-0036 3101-0033

9100-0294

00651-61603 00651-61604

W3 00651-61602 W4. W5 00651-61601

Table

TQ

1 R: 1 R:

2 R: 2

1 R: 1 R:

1

1 1 1

1 1

2

7-1.

Replaceable

met

fxd

met

fxd

met

fxd

met

fxd

R:

met

fxd

prec

fxd

Switch: Switch:

toggle

slide Transformer Cable:

cable: Cable

Cable

main power

assembly: assembly:

Parts

(Cont'd)

DESCRIPTION

flm flm

flm

met

71. 15Q

53. 27Q

61. 11Q

96. 25Q 550Q

power

DPDT

flm

115/230

±O.

25%

±O.

25%

±O.

25%

±O.

25%

±O.

25%

25.OQ±1%

SPST

attenuator attenuator

MISCELLANEOUS

1/2 1/2

1/2

1/4

V

input output

W

W W

W

MFR. MFR.

75042 75042

CEC CEC

75042 CEC 19701

88140 79727

28480

28480 28480

MF6CT-O

8928K61 G:-326 obd

9100-0294 00651-61603

00651-61604 00651-61602

00651-61601

T-O T-O

T-O

Section

PART

VII

NO.

obd obd

8120-0078

00651-90004

power

7.5

Cord:

1

Manual:

1

operating

feet

and

service

70903 28480

KH-4147 obd 00651-90004

01810-1

7-9

Appendix A

CODE

APPENDIX

LIST

OF MANUFACTURERS (Sheet 1of2)

Model65lB

The following

and H4-2

the

bottomofeach

Cod.

N

•.

Mo""foctur.r

00000

U.S.A.

COII.on

McCoy

EleetrOGlcs

00116 00111

S,'f

[lecllonlCS

00311

Hu

.d,"l

lesllu

00115 00111

0061i

00119 00111 00115

00151 00166

00111 01111 01155 01111 01195

0Il1!

Ollil 01111 OlllO 01%1

02114

01116 01660 01115

01111 01111

01501 01105 0l1l1 01111 Ollll 01151

~009

01011 01061 01111 Ollll

01151

OU04

01651

DIm

01111

DIm

01111 01116

01111 01110 05006

05111 05141

05511 Olil6

05614

05111 05111 05113

05110 0600'

06115 06102

06415

~54D

06555 06151 06111

010!S

Corp.

G.rlotk P.cklnl Co.,

ElrtlroalC AtfOVOI Aap.lllc. Allmft

R.dlo

Hortlltfn

S.nl'.o

Ordlll

Goe

Enllllee"n. CIIIE.Holmes Allen

Br.dley

LllIon

Indvsllles,

TRW

Selilconductors

TellS Insll"aenls,

TllnSlllol

The

Alh.nce ChlSsl·fr.k P.clllc Rell's, A_flOCk Pllise

En,lneerlnl Ferroleube Cole

111'1.

A.llhetol·Boli

R.dlo

COIP.ofAaeflc.,

.nd 1II.(ell.ls

Voc.line

HopkIns G.E.Sermonductor Apel

M.chlne&Tool

Eldfllll

Corp. Tr.nsltron PYlollla Ai,M.rlne Arrow,

H.rtlnd Helernn Elecl.

hUl11sCorp. EI

enco

HI-Q

DIVISIOflofAerovol

Eilin N.llon.ll.tch Co.,

EfectronlCS PreCISIon Dy.CDIVISIon01HewleU·P.cklld

Sylnn1.

ElecllonlC Molorol.,

FllttonCo.• AulOlnllc Alllolllilllc Selluo"

Wire PreciSIon P.M.Moiol Twenh,(h

'estlnlhouse Electllc

Se

I·ConduelorDepI.

Ultr(lflu,llc. SuM.leo. C.hl.

IrOll,e

llIu

Cos!"o

Plntlc

IC

0 E

etillul

B.rber

COl.nCo.

Tillen

O~tlul

M,(rollohl.n

Melro

Sluart Enllneerlnl

I.lt:efleld Enllneeunllnc. The

BlSslck

B.uscll.nd

E.

T.A.Products

Western

DeVICes. AlllllOlll

EleCl10nlC

H.rd.,,,

Betde

ElectrIC.llnslrll

U.S.Se

01

A

ellu

omnitollllfi.Co.•

Krt'l.n

ElectllC

code

(CodetoName) and their latest supplements. The

Mount

Corp,

Co.

Produtls

OlV.

Corp.

Enilnetfllli L.bolltofles,

Elecillc

Coap.rty,

DIVISIon

(C.p.clton)

Co,

Corp.

Co.

Inc.

Producls

Dlv.

11111.

Co.

Corp.

Inc.

COlp

Co.

COlO.ofAalutl

Co.

ElectrOlllcs

Corp.

Se.lcOflduclOl

Dlv.

Co.01A.ellu,

Enllnee"nl

Resistor

P,oducls

P.per

Electflc

Inc.,SelConduclor

ElectriC Electric

COil

Cenlury

C'll.

cor

Inc.

Co.

Producls

OIPt.

Co.

Electronic

Corp.

Co.

1lI0tors,

Inc.

Co.

DIVI:ltIOll

Tube

Co.

Prods••fllc.

Tube

01'1.

1lI0untll"

Inc.,

Western

Dlv. Co. Sales

COI'II.

&C.ble

Co.p.ny ChltllO

EDllrltflnl

Telfto

Co.

Lomb

Co.

DIVISIonofNuclllr

Redwood

Co.

SPlIna

Co.

Plnllcs,

Inc.

Corp.,

Co.

Spec.

Co.)

Co.

Roslyn

HellMs UnlullonsCorp

DIVISion

Co.

Opllul

Co. Co.ofAmelln Chlt'IO. Inc.

New

Inc.

e,1

Co.,

'esl

Dlv.

Co.

numbers

page.

Add,

Any

supplitl

Holtr

SpUnIS,

Rodlnttf.H.Y.

ColtO',

New

YOlk,N.Y.

C'.del,

New

Bedford,

H'fIISbu'l, P••

Booeton,

Inc.

Burllnlloe.

.lIIrlon,lII.

Los

Anaeles,

Los

Anleles, C.IlI.

Nllwaukee,

Beverly

Hills,

l.wnd.le, C.IlI.

D.lllS,

AIIi.nu.Ohlo

Indl.n.pohs.

V.n

Huys,

RotklOl'd,

$leu

Cllr.,

Saulfrtles.N.Y. P.lo

Alto.

ChltllO, III.

Soa'Aille, H.J.

Old

Saybrook,

S.n

Flln.ndo, C.III.

Syr.cuse,N.Y.

D.,lon.

EI

Monte, I.kefield, Mus. MOflistown.

los

Anleln, C.lli.

Co.

H.rtford,

L. berlvllle,N.J.

New

YOI'k,N.Y.

llIyrtle

Bllci.

Burb.nk,

ChltllO.

Co.

P.lo

Alto,

VI'W,

Plod.

DIY. Phoenil, Amon.

Culver

City, Northl.ke,lll. Horthlake,

City,

EIMonle,

44,

Los

Anleles, C.lIf.

YOllnlwood,

SUIlllynl"

Clevel.nd.

Rockford,

Lonllsland,H.Y.

..

Brooklyn,H.Y.

S.nt.

Cruz,

I.keheld.

Brldl,porl,

Rothester,N.Y.

Inll,wood, C.llf.

Rochelle,H.Y.

Inc.

P,nlCook,

COlp.

Phoenil,

Artzon.

V.n

Huys,

V'II

Nu)'s

are

Alphabetical

...

01

U.S.

P••

Calif.

N.J.

lII.ss.

N.J.

'IS.

Clltl.

Wis.

C.1l1.

TulS

hid.

C.lIf.

Ill.

CIIII.

C.lIf.

Conn.

01'110

C.lif.

H.J.

Conn.

S.C.

C.IIf.

III.

CIIlI.

C.III.

C.lIl.

III.

C.lif.

c.lif.

III.

P'.

CIIII.

OhiO

Ill.

C.hf. M.ss. Conn.

Ill.

N.

H.

C.llf. C.lll.

from

the

Federal Supply

codes

Co~.

Monllfoctur.,

N

•.

01115

Cornln.

Glus lorks

Eleclronlc 01116 01111 01111

01U9

01131 01161 01161

01111 01111 01100 01110 01lll 01966

omo

01115 01111

01151 01111

01111 01111

01111 09016 09111 09115 09150 09569

09661 10111

10111 10616 11116 11m

11111 11511 11111

11111 11110 11116 11m 11151 11110 11101 111'16 11115 11091 11111

IIllI

11m 11160 15101 15111 15111

15109 16011 16151 16611

16151 11101

1141.

•

1486

11511 11111

IllII

moo

1lI01 10111 11116 11510

21m

11'161

24446 24455G.E..

Caponenls

Olllilift Co.

TfinSlstor

[1"lfOllICS

'esllnlhouse Eletillc

EletllOlllC

Tube FIlaoh. CIlldl·GIIPhlk

AVllet F,IfChlk!

IlIlllnesota The

Blrtcher Technlc.1 Contlnenlll Rheea Shotkley

l.bOl.lolles BoontOil U.S. Blinn. Bllrless B.llery

SIOIn C.,non Electm CBS

Opec.lloU,Olv.ol C.B.S.,!nc. lo.ell.lIIlSs.

1II'1-Rlln

Babcock TulS Aloh. Electro

MllIOIY

C.nad., lid.

The

Bllstol

Gener.l

TI·T.I, Int. Cliborundlllll CTS01Bern., ChlUIO

WherowlVe Duntln G,n,"11

Selilconduelor lapeull Elecltonlc, Melabs. Phltadt'lphi. Claroslll NIPPon Delli

Tht/llolloy

hlefunken Mldl.nd

Se.·Tech C.hf. AllIen"n COin

ell WIlIl.ms Websler Adjustable Twentieth

COIl

The

D'Yln Spruce Co

puter

0,

Jur·blto

Delco Ther

Tllnel Co.pany R.dlo Curtlslnstrnentlne. E.I. DuPonl.nd Co., Ecllll"

Bendll

ThomnA.Edison

01'1.ofMcGr.w·Edlson Electr. ElectlOflIC Eucullye.lnc. F.nSleel The

Flfnu BIIllnl FeCI. Genel.l

DIY.

Corp.

Co.

COl'P.

SealCondutlOl'

Rubber

Co.

Corp.

'lie

Ploducts

DeVIce

Corp.

Sealconduclor

Corp.

Seai·Conduclor

R.dlo

Corll.

Enllneellnl

Co.

Delberl,

Co.

NI'IIl. F.lls,

CoapallY

CO.,Phoenil

EleclrOllcs

SealconduclOl'

Rellys. fIe.

Cap'Cllor

Co.

ElecUOflics

Asse

biles,

Inc.

Baltery

Co.

of

Co.

Tllnslslo, 'estern

Co.

Inc.

TelephoneofC.hfornl••

EleclrOlIlCS

ElechOllIC,

Inc.

stru

eal

Corpor.lion

DIVislOIl

Inc.

Ilc. P.lo

H.ndle

Co.

Mfl.

Co.

EleelllcCo••

Sealconductor

R.dlo

onehcs

Industrtn

Telephone

Ltd.

Inc.

(G.M.

B.H.) )t.nnover. Glllany

Mfa.

Co.

Resistor

Corll.

Components,

Dubiller

Elec.

Mfa.

Co.

Eleclronics

Co.

Bushlnl

Co.H.Hollywood,

Century

Spnnl

Co.

Pine

Min

Co.

Diode

Corp.

COillor.l,on

Dlv.01C

....

Inc.

Pioneer,

OIV.

Ayiation

Corll.

Induslrles.

MlnufJC(urlnl

Co.

Tube

COIP.

MelillulIIC.1

Co.

.Ild

R.dlo

Elecillt

Co.

l.ao

DIYlSlOfl

Code

for Manufacturers

dateofrevision

Cataloging

and

the

dateofthe

have been arbitrarily assignedtosuppliers not

...

N.Y.

C.III.

C.llf.

N.J. C.IIf. C.lif.

C.lil.

N.J. Calli.

AlIz.

Ind. Clilf. Teus

Calif.

Conn.

c.m.

Ind.

c.lif.

C.hf. Cahf.

N.J.

Cilif.

N.H.

J'1lI1

Teau

C.lif.

P•.

c.lif.

N.

c.m.

C.hl.

Del.

N.J.

No.

Ill.

N.J.

OhIO

Cod.

Mo"",foctvt.,

N

••

11655

Gentlll

R.dIO

Co.

lesl

Oepl.

H.wkesbury,

lac.

Prod.

Bellials.

Dlv.

Bllke

Co. Inc.

Co.

Inc.

Co.,

lotks,

of

Corp.

Co.

UnIon

Co.

1000ks

Co.,

Inc.

.•

Concord,

Hew

Rochellt.N.Y.

Inc.

CIlIStldt,

lUClsler.

P.lo

Onlillo,

Indl.l\lpolls,

Co.

Inc.

Enl'ewood,

C••bridle. Mus.

Phil.delphi., P•• LtIlinlton, Mus.

1b1ll.ore.

lilt.

El.slord.N.Y.

So.

Norw.lk,

TOIlI

Mortfl

St.

Ehzabtl!'ll, N.J.

01

Co.

Sw"sv.'" P••

Owosso,llIieh.

lilt.

New

Inc.

ChiuIO 2l,

Rochester,

HlrllOl'd.

New

Inc.

Glrden

fnc.

Ne.

Cln,lInd, Ne.

Quincy,

Clnel'lId.

P.lIaus. H.J.

PI.lnY/lle.

St.

los

Anleles, C.Iif. Burblnk,

lllc.

Milwaukee.

Ne.

01'1.

'est

lIIid

Sail

'IllI

...

PrOVidence.

Bfooklyn.

Keasbey,

O.kl.nd, C.Iif.

Phil.delphi., P••

los

Anleles, C.llf.

PrinulOI,

FullertOCl,

04110.

etsbOl'o.

ChlUIO,

Aluoe. Keene.N.H. Chlc'IO,

Skokie,

Vernon,N.Y.

Sel

•••

ChlClIO,

••

Id.,

Ad.as, lIIus.

Pul,

BfufftOl,

Vernon,N.Y.

York,

Hewllk,N.J.

York,N.Y.

City,N.Y.

Chinlo, III.

York,N.Y.

ChitllO,

YOlk,N.Y.

Louis, Chlc'IO, Elkh.rt.

ChiClIO,

ChIClIO.

York,N.Y.

CllitllO,

Or.qe, H.J.

C~iClIO,

lind ,

Brulo.

llc,

ChitllO, III.

Newllk,

ChiClIO,

Chlt'ao.

Elle, P••

ChICiIO.

1'

••

Ill.

Y.

16165 16161 16m

11110 11111 15111

161'16

mIl

3954l

10910

41110 11190

44655

11101

11610

I!lli

51090

61111

511"

55016

55111

55911

lill1

li1ll

51116

5mO 60111

61175

61111 61111 6ml 65091 66115 66116 10116 10109 10311

10m

70561 10901 10911 11001

1I~1

11111

111116 11111

11100 11m

11150 11161 11111 11111 11510

11616 11100 11111 11m

11115

1Il1l

11091 71116

11101 11151 11m

1161i 116"

11m 11165 11115 11m 11%1 11m 11061 11016

11111

The Chlnlo A.O.S.Utl

Cinc

Coto JohnE.Fnt&Co. DI.hIM Gener.1 Cenelilinstru

Giurd·Hopklns Dr.ke HUlhH.Eby Gudelll.n RobeltM.H.dley

H.nsen

Hellpol

Giles

Reproducer

Globel

File

Co.ofAatflCl,

H'.llIon

',tch

Inc. COI'p.

IUllory

PIICISloe Co. Norlren

Mfl.

Co.

Corp,

Therllolleler .nd

Insl.

Co.

Co.pany

Controller

Leonard

IlIfl.

Corp.

& Co.,

FIbreCo.• Ilc.

ElecUlnllnc.

S.llch .nd Silnlt,

Inllnlhouse

Electric

Insl.

01'1.01D.yslro.,

W1nul.clurinl

Opllcal

Mft.

Co.

ControlCo.•

Screw

lfldi.

IlIfl.

Co.

ElecbOftlc

R.dlo

Gelr

100ks

IIIUlfly

Co.

R.dlo

tnc.

Prod.

COlO

Fuse

Edison

Co.

Condenser

Co<p.

Eleclric

Dlv.ofGlobe

PllSt"s

COIn

Ish

1lI111U1lure

Corp••Crowley

Mil.

Co<p.

Corllnl

Cotll.

1lI0tlve

COIl

Co.,

Corp. Cer••ies

Se

Iconductor

Mfl.

Co.

Inc.

Co.

Reslslor

IlIfl.

Co.,

H.rper

Co.

Dlv.01Beck••n

Inslluauls,

Co.

Tube

&Co.,

Co.

Electric

Co.

Efeclric

Prod.

Rubber

Inc.

COIp. Co.

olTl1n

.

Div.ofMcGr.w·

Co.

lie

11111.

Inc.

enl

Corp.

lac.

Hewlttt·P.c!r.lrd G.E.RectlVlnl Lrttroll. SlInwyck P.R. Mech.nlul htdustrlls 1lI1nl.ture Muter C.A. Ohalte Pol.rold PrecIsion

R.ytheOil Rowan '.rd Sll.IIC1oss Slalllon Electric Sonolone Sorlnsllft Sp.U"'I"1 SIll'llIe Electllc Telel.llc. Uous&Betts Trlpplell UIIOI

U'lver,.1 Elecltlc '.rd·leOllird lesilln 'eslon Illlek lollen"k Allin Allied AII.etll

AtlanilC Aapellie Co., Beklu Bird Blllbich Bostlll

Bud C.aloe FlSlenef AllenD.C.rd.ell

Buss••nn ChlCiIO

CTI

C.nnon Cinea. Enllneerinl C.P. CI.re&C(j. Cenlr.l.b

CoalierCl.1

Dow Eitel·lllcCufIO\llh, Electro

ErIe H.N.

Corp.

Co.

Inc.

Co.

Air

Co.

Co.,

Co.

DIY.

Corp.

Elecbonic

Co.

L.all

Inc.

Corp.

COIp

Dlv.

Co.

Inc.

Deol.

Coro.

CotP.

CityofIndustry,

Los

Corll.

1II0unliin

Los

Mounl,ln

Los

Dlv.

Toronlo,

Corp.

los Anl.les, C.li!.

NI'III. Fills,N.Y.

So.

COIP.

Newport

K.nslS

Newbury

Sanl.

Inc.

COlp.

So.

Inc.

lonllsllnd

CorP.

C.nol' P'lk, C.llf.

Noonliln

Inc. of

Co.

CO'".

New

CorD.

Hell

P.rk. Cltveland.

Add,

Bradford.

Pas.den., Cahl.

IIIlnI\Upohs.II"nll.

EI.II'.

New

York,N.Y.

Allleles. C,lif.

VIIW.

1lI1nntlpohs,llIllln.

Anleles, C.Iif.

SPI'Inlfttld,

Hlwlholne,

VIew,

P.lo

04110.

Boon

Ion.

Anleles,

Po.on., C.hf.

Onllrio.

Cin.d••

Burbank.CIhf.

Phoenll,

IlIch.nloolis,

CoslJ

lIIeSi.

HouslCll.

SuI

V.lley.

Cbic'IO,

Onl.llo. C.nad.

••

terbury,

Belkeley,

Bllne, Inc. PIS.deu.

P.,o

Alto,

Santi

Alii,

Newllk.

Bvena

Pilk. C.IlI.

04110.

C.aden,N.J.

Dover. Tokyo. Btlth, C.Iif.

...

0.1115,

City,

K.nsu

Pllk, C.lif.

Monic.,

Conshohocken,

Pl.infield, N.J. Sin

Jose,

Brooklyn,

S.nu Clar., C.IIf.

llYlnlston, H.J.

Spruce

Pine.H.C. Lodi,N.J.

CII, l.N.Y. Kokoo.Ind.

VIIW.

Des

Plaines, III•

MI.

KISCO,H.Y.

IlIalnllon.

Teterboro,

'est

Or.nle. N.J.

K.nsn

Clly,

Phll.delphl'. P••

New

YOI'k.H.Y.

No.

ChICHO.

Bllllln,

Conn.

Chllon.

Sdl,nect.dy.H.Y.

Handbooks H4-1 (NametoCode)

supplements used

appear

appearingintheH4handbooks.

...

,tJ.

1'

•.

Ky.

III.

Ind.

Oillo

Ill.

Colo.

III.

Md.

N.C.

III.

N.Y.

1111111.

OIIio

N.Y

.

III.

N.Y.

111.

Otrio

Ohio

Mo.

Ill.

Ind.

III.

lis.

III.

Mich.

R.l.

H.Y. N.J.

N.J.

Itl.

III.

Ind.

III.

c....

N•.MOIluf.dv""

Hlllhes

Products

lml

".ptlu.

BUS

Beckun

11190

81.dlty

11506

Clrllil

11m

GeOl'l1K.CanellCo••

11611

Fedelll

11111

FIscher

11111

The

11111

Gosll.n

ml6

JFD

111ll

Jennlnls

11105

SIln.'llelnc.

11116 11155

J.H. 'inns,

11161

Induslll.1 R.F.Ploducls

11161

E.F.

11110

Intern.IIOlliI

15011

Jones.

15111

Ja.1S KlllhlS

15111

Kulkl

15111

luz

15111

llttleh/Sl

15m

lord

16005

C.I.IIIllwedel

16110

Min.

lUll

J.afs

16111

J.I.

161ll

1II0000dnockMIlls

76510

Mueller

165'5

O.k

16151

Bendil

11061 11015

P'CI"C

Ph.os("n Inslrullenl.nd

11111

PhOllllllfl.

11110

Phlildelpl'li.

11151

Pottlr .nd Blu."ekl.

mIl

Rldlo

11610

R.dlo

71611

ReSlSllllce

11161

R,bbercr.1I

11'161

Shakeprool

1111!

SIlft.llndlc.IOI'

11111

Slruthers·Dunn

11110

Thapson·BreNr &

11151

Tilley

11111

Slickpol.

11111

Stlndlld

lml

Tinner.1Il

11551

TrlnslOl'ller

11110

UClnile

11911

Veeder

11111

lenco

71151

Contllental·'irl Elecltoaics

7ml

Zierick

11'161

llIepco

10011

Scfllib:er

SCUD

Tlaes F'CSlall,

10110

Electrollc "'dusl'.es Associ.tion.

10111 10101

Ulli.1I

United

10111

Ollord

10111

Bourns

10m

Atro

10111

All

10416

Averr

10101

H.aa"lundCo.•

10511

Steyens,

10610

Inlerllltion.llnsUuaenls.

11010

GlIyhlll

11011

Tri.d TII!lsloraer

11095

IUlChesl"

11111

OIYISIOIl

Hlllhu

Auclilt

ElectlOflICCo.•

"atUUI

Ptlllhps

Hellpol

Corp.

SealtO'ldutlOl'

EIICtrIC,

lac.

Screw

Prod.

Specl.I

11111.

Gelltllllndusl,ilS

St.apinl &

EleclfOilics

Corp.

R.dio

MIl.

Ind

Sons

Condenser

DivisionofAaphenol·

BOll

ElecltonlCs

Johnson

Co.

RniSlince

Howlld

B.,

of

Cinch

IIIfl.

Corp.

Co.

Eleclflc

COlPOIIIIOI

Eleclrlc

Mfl.

lit.

11111.

Co.

ok!

ElechOlic

MillenMf•• Co.,

llililer

Co.

Electric

Co.

llI.nuf.clullnl

Co.

P.cific

DivisIon

Bend..COlp.

MellIs

Co.

EleclrorllC

Co.

Steel

.nd

MlChllt

.nd

Foundry

Coadu..,

Co.

Receptor

Co.,

Products

Corp.ofC.III. Ton.ace, C.W.

DivlSlOfi

Toollorks Ellin,

COlli.

lllc.

Mil.

Co.

Clfbon

Co.

ThOllson

Corp.

Producls,

Enlllleers

Co.

Root,

Inc.

Mfl.

Co.

11111.

Cofp.

DlyisiOllofSus

Clock

Co.

Alloy

Products

Corp.

tube

."!llli

EIA

S.IIC~.

OIV.

I.

L.

M.lSon

COl'p. TlinslotAl' Eleclric

Corp.

l.bor.loties,

Dlv.ofRobettsh.w

FullOfl

Conlrols

Stu

Prodllcls

Inc.

Adhesive

l.bel

Inc.

Arnokl.Co.•

Co.

Corp.

ElectronICS

01

Co.

Newporl

DIY.ofNotln

Co,

lilt. HlthvllI.,N.Y.

So.

COl'p.

hlc.

Co.

Tool

Co.

COIP.

COlp.

Co.

OIYISlon

Co.

Sail

Mfl.

COIp.

Inc.

of

No.

San

South

lir.

CorP.

Diy.

of

A.ellCin

Illc.

Co.

ollllliois

Co.

San

Inc.

COI'p.

Ne. Rocbtlle,N.Y.

IonS

st.ndllds Inlunlton.D.C.

of

Cotll.

Inc.

Co.

Corp.

ffte.

Inc.

Co.,

Inc.

Adel,

liIus.

tllIf.

Call1d.

Conn.

Mus.

Conn.

Calif.

C.1l1.

ConI.

Caltl.

at

Adcl,

Beach.

Calif.

Pn.deu,

C.III.

H.adu,

Conn.

H.rlfOl'd.

COlli.

PIliiladelpili. P

Chltlao.

Clllcilllllll.Ollio

Etyri.,

Goshen, Brooklyn,N.Y. San

Jose, C.lif.

Neplune,

H.J.

linchesttf,llIus.

ChiuIO,

O.nbury,

Conn.

luetl.

Minn.

Pillld.lptll., P

Chlc'IO. III.

Sandwich,

1111.

Vemoft,

H.Y.

C~itlIO.

On

Plllllts. III.

Erie.

F'"Cisco, C.M.

81ookly",

N.Y.

1IaIden.lIass.

Los

Anl.les,

Calif.

Sanlllndro, C.lif.

Cleveland.

Ohio.

CryslJll.k.,

HOllywood,

C.lif.

Fllncisco. C.Iif.

PIS.den••

Calif.

ChitllO,

PhH.delllhi., P••

PllflcetOil.

CI.dln.II.J.

Brooklyn.

N.Y.

H'"lSbur., P••

New

York,N.Y.

PllJI.n, N.J.

Chlnlo, III.

FIIIlCisco,

c.lif.

St.

IUrys,

,.Ithali. Mus.

Cleveland.

Ohio

PIS.den., C.lif.

Newtonville.

Mus.

H.rlford,

Conn.

ChitilO.

P1lilldefl)tlil.

Monislowl,

N.J.

Elizabeth,

N.J.

New

York.N.Y.

AllY

br.nd

IllIinlford,

COIln.

He.

YOlk,N.Y.

ChiclIO,

Riverside,

C.III.

Colullbus

16,

Ohio

Defilnce,

Ohio Monrovl••C.Iif. Hew

York.

N.Y.

Boston,

llIus.

New

HIVtrI,

Conn.

lIGr'llle. Ifl. Venice,

C.Iif.

Hor••lk.

Conn.

...

•.

III.

01'110

Ind.

111.

•.

III.

P••

III.

Ind.

III.

P••

III.

P,.

III.

00015-31

Revlstd February nbS

From:

FSC.

HH

HI·2

Handbook

0"'"

DECEMBER

0,10<1

MARCH

Supplements

1%1

19M

Model

651B

CODE

APPENDIX

LIST

OF MANUFACTURERS (Sheet 2of2)

Appendix A

Coolo Mo.

MIlitary

11349

WilkOI'

slm

Raytheon

SIlS3

Inttln,llonal Recttllff

slm

lbe

IlSU

SI860

Bany

S20<1

tlltfl Jeffers Elecbonlcs

&2111 S1I70

AII.nB.Dulttonl

!110'3

Malui" Induslllu, Sylvania

S111!

Asbon

mI.

SWltchClllt,

&23!! S1611

llIelllsand

1186.

Rutllch Rolron

&2177

Vector

81m

Iulern

S3053

C,ff

SlOSS

NewH••

S30!6

Py,a.td Elfcbic

UI25

[letUO

S31U

!liS;

Vlcloty Beadil

U1'3S S33I5

Hubbell Salth,

smo

Cenlral

13m

mOl

G"ltt BUffouahs

135"

Everudy

smo

!31n

Model

sml

loyd Sellllls A,co

Ulll S4396

A.J.

um

Good

smo

Sarkes

Boonlon

ssm

A.B.

ssm

MoftvNetv,.,

SpeclllCllion

ProdUCts,

MIl.Co.• Industrial

OIV

••

Indus".

Aup-u

ClMllJots,

P"ts

Silt"

Carbon

Electnc

Eleclronle

Co.

C.trols,

lelas

InslluM.ts, IIC.,

Spe.tlIProds.

Products W,nufactuona EleetlOflIC

Washer

Fastenfl

pshill

CCfds Ealinetliia

Corp.,

Corp.

Her

..... H.,

SCIIW

lire .nd C.bleCo..

01'.

01

A.tlaee

Corp.,

Electforllc

Baltery

Eaa,

and

ElecbOlls, GIeSlMI All

Electric

Tarzian,

Moldina

Boyd

Co.

P,od.cls

Co.

Tube

hit.

Mfr.

Co.

Ball

Co.

Red

Co.

Tube

MIa.,

Co.

Co.,

Inc,

Inc.

Tube

Co.

Inc.

DIVISion

Co.

L.bs.

Inc.

Prod.

Di,.

Inc.,

COI'Il.

Co.,

Co,

Co.

Beallnl,

Co.

CorP.

Bank

Inc.

Corp.

01,.

Inc.

Mil.

COllpany

OPfflllonS

Corp,

lit.

Inc.

0".

hie.

01,.

Illc.

Co.

Clev.land,

COllpenen!s

Newton,

EI

Selundo, ClIil.

ea.brldle,

'atflt

01

Ou CIiItOll,

G"enwich,

E.pOfiu.,

Eul

Newllk,

of

AltltblllO,

Iibdls<Ml,

Woodstock.H.Y.

GlelWllle,

Los

AnlellS,

C••bridle,lIIus.

Inc.

Pellfboroulh.

Dliliniton, S.C.

los

Anl.lts, CIllf.

Spllnlfleld, N.J.

Red

'bndelt

Blooklyn,N.Y.

Chiealo, III.

Brookfield,

Plalafleld, N.J. Hew HUIUnatOll,

New

San

Francisco,

Olallala,

8100.inalon, Boonlon.

San

Francisco,

Add,."

n.IIlass.

Skolle, III.

BOIS,

ChIClIO,

Bank.

••

YOlk,N.Y.

Feslus,

YOlk,H.Y.

Mus.

Mass.

H.J.

Conn.

H.J.

lUst.

Calif. Calif.

H.H.

N.J.

,III.

Mass.

Calli.

Neb.

H.J.

Calil.

Ohio

Pa.

lis.

led. Mo.

Ind.

III.

Coolo Mo.

"-.tlllfoctur., .....d"

ISH4

R.M.

B,ICI.onte

&

Kords,

Inc.

Rubbel

Co.

PreciSIon

Rubbe'

Corp.ofA.euCl.

Tube

COIporallCMl

Fibrous

Glass

ROlers

Mfa.

Corp

Inc_

Balleues,

lit.

Electllc

Co.

Kohlnoor,

Electric

OisUlbllhna

Pills

Diy.ofECORlMIY

Trlllsfor."

Rubbel

Co.,

DlY.

Spola

MIl.

Dial

& Ha.elllale

IUten,ls

Co.

Blathers', I.c.

[lteIlOllIU,

Mfa.

Co.,

lopllenl

Co.

01'.

Sprinl

Corp.

Metal

Prod.,

OptIcalCo.•

InsulaleG

Eleclm

Prod.

Oi,.

and

MyllS,

Ittfl.

Co.,

J. S.ilh

Inc.

Co.

Products Ploducts

01'.

Il.nsdal.

Products

Inc.

IIC.

Co.

Mechanlcal

Co.

hlc. Inc.

Relulalof Co.,

Co.

I.c. Bassett Punte,

lite.

III

CO.

Inc.,

Inc.

Koded

ssm S5111

SUIIlItSS

86m

Chllon

PItCISlon

S'511 866!4

RadiO

87m

Phllco

S7m

ulell

m64

Van

smo

Tower Culltu-Ha.lIler,

MilO

Gould·Hallonal

MnO

sam

Genflallllllls,

Gllybal

!!231

laldes

nm

SW3 Gent,,1 S9636

Carler

n60S

United

10m

u.s.

Goods

10970

BellIna Enlinelll'a Conftor

lI1'0 11m

MIII"

lUI!

RadiO Auaat

lISll6

11.37

Dale

!l661

Eleo

11137

Gre.ar

!ISH K F

Minneapolis-Honeywell

!Il21

Ittlcroswllch

11961

N.h.·Bros.

TII.(:onMcllll

mso 11116

UlllVersal

Elaeel

92367

TIllsohte

m07 Im1

Sylvania

St.1COflduclor

m6l

RobblIIs

13m

Slevens HOW,ld

mas

EJeell. OI'ISIOl)

'alelS &

Corp.

Deve

Su

FtUcisco.

New

Haven,

ChiClIO,

CUlton

Heith!s.

COlp.

Oaytol,

RCA

Ha"isOll,

lansdale.

Co.

Sa. Francisco, Cahl.

Stattle,Iuh.

Pro,idenCl,R.I.

Lincoln,lt!.

Inc.

Sl.

PaUl,

Bllllalo,H.Y.

Oakllnd,

Ca.budae, Mus.

Con.

Scb.OIclJdy,H.Y.

Baler

Co.

Chicaao, Chialo, III.

Passaic, H.J.

San

francisco,

San

FIIICISCO,

Co.EIMonle,

CiiCIIIO,

Attlebcro,

CGlu.bus,

Philidelllhll, PI.

lakefield,

Redwood

City,

Freeport,

Oakland,

Peabody,

Rochester,N,Y.

Talrytown,N.Y.

10buIIl,

Hew

York,N.Y.

Mansfield,

ponMon.outft,N.J.

Calif.

Conn.

N.J.

Mhln.

CallI.

Calif. Calif, Cahf,

Mus.

Nebr. Mass.

Calif.

Calil. Mass. Call!.

Ittass.

Ohio

...

Ohio

Pa.

III.

Ill.

N.H.

lIlus.

Colo.

Mass.

Mus.

C.lil.

Iyo.

Conn.

N.J.

CallI.

Mass.

CallI.

N.J.

Mass.

H.

Calif.

N.J.

H.J.

Coole

Mo.

...

Pa.

III.

Y.

MOfluf.ctur.,

18110

FranCISL.Mosley

Mlcrodol,

IS17S

Sf.tect,o

mil

C.r,d

lU05

Generalllllits

lS131

!lSS11

North

Clevlle

Ism !lSIII

l.lerullOCUlI

Colu.bla

"10'3

Vloan

"313

Marshalllndusillu,

"515

Conllol

"707

Oelev.n

"SOO

Illeo

"!IS

Renb,udt,

"!34

Hall

"Il2

TechnololY

"'57

THE

FOLLOWING

BER

ASSIGNEOINTHE

THE

FEOERAL

TURERS

JOOOO

IllChesler

OOOOf

Maleo

00001

leslt,n

OOOOP

Ty·CIIM'a. Co., II1Iow

OOOOZ

DOO.\A

Bllllsh

OOOAB

ETA

OOOAC

IItchana

OOOBB

PreclsulI Insllu_lll

001*"

Rubbel

OOOltN

A

"N"

OOOQQ

Coottron

OOOS5

CootlolofEtain

ooOWI

CallfOlnl'

my

S.K.s.ltII

Inc.

Corp,

COIP.

Hills

Eleetuc

T,anslSlol

DIV.ofCleVile

EltebOllIC

Researcb

Corp.

Technical

Assocllies

Products

Oi'lsion

SWIlch

DIVlSIOII,

01

A.ema

EllCtI'lNllCS

COfporalloo

Inc,

...

Se.\CondlKlor

Hoff.an Elect,onlcs

InsUIl.ent

01

Calif.

H·P

SUPPLV

HANOBOOK.

ElectrO'llCS,

Tool

and

Ole

Coil

DIY.ofAuto••llc

Ind.,lnc.

leathfl

Products

R.dlo

Elechol'uts lid.

Gelltt.1

Corp.,

Enl. &

Developtlelll

0

Manufaclllllni

Walch

Eultln lab.

Co.

P,od

Corp.

CorP.

Elecllon

Contl'ols

Corp.

01,.

CorP.

CorP

VENOORS

LATEST

COOE

IIC.

Ille.

Corp.

Elect.

CMpoftellts

Co.

los

P.sadeu,

So.

Plude",.

Ma••roneck.H.Y.

Redwood

Minneapolis,

Mineola,H.Y.

altl\a., Mus.

BUlbank,

H.w

Palo Pasadena,

Co.

EI

$flundo,

East

IIIdllnapohs,

Boston,

of

E,nslan,ltl.

Newbury

HAVENONUM-

SUPPLEMENT

FOR

Santa

Moaiea,

los

Anaelts,

Redwood

Holliston,

Newllk,

lashtnllOll,

elY.

Co. VIII

Hay.ard,

San

Jose Oakland, Burbank,

BUlllnla••,

Anlfles

45,

AU,

Calif. Calif.

City,

tllll.

Mill'.

CallI.

York,N.Y.

Alto.

C,llf. CaIU.

Calif.

Auror.,

N.Y.

Mus.

Park,

Calif.

MANUFAe-

e.m.

Calif.

Clly,

CIIIf. Mass.

N.J.

D.C.

Enlland

IIdl.na

NIlYs,

Cahf. C,1l1.

21,

CallI. Calif. C.lif. Calif.

Calif.

...

Ind.

TO

c..lo

Mo.

Mo""factur.,

G.V.Controls

13'l11

13m

Insulin.-Y.n

"Of.1n

III.

Pa.

Electlonic

Gene,.1

Il137

Raytheon

'4144

01'.,

Ims

RayttleOlllllfl.

Cahforlla SIIt.t

Ims

SClntlllc

14154

TUCII-Sol

Iml

Curtlss"fllh! Corp.,

ElectroniCS

Southeo

"111

14310

Till

Dh.

EIllnelllllllM

lire

Clolh

Il330

IOfcester

m&2

Pillbuck

15023 15136

Alhes

Ism

Conhnenlal

151.3

lUCllIIMfl. Co.,

15164

lerco Electronics, Halional

151.5

VIlla.OlI,

15175 !53q

GordasCOfIl.

15354

Methode

Oaae:

Elfetllc Co., lit. Fllnkh., I.d.

15111 Ism

I.ckesst!

161167

HUIIlns

HI~

OiYIsionDIAeroyoa

160'35

ThordarsOfl~eissner

16156

Maluile

961'3.

SOlal

Manuf.elulina

Clllton

16330

Miclowa,e

96341 16501

heel

mOl

Indusllill Retallina

11531

AutMane aId

1716.

CBS

EI.cllonlcs,

Di,.ofC.B.S.,

11171

Reon

RuislOf

ISUI

Aul

Blothers

lSI

51

Rubber

Dlll'iSlon

C.ble

Corp.

Mfl.

Co., Indusl'lal CapOnells

ReeelVlftl

Tube

Co.,

RadiO

Ploducts, Ilc.

Eltclm,

Inc.

Oi,.

Di,.01S.

Chesler

Plod.

Di,.ofModel

MIa.

Ploducls

PressedAI••

Researchers,

Products

COlp.

Connector

Inc.

Coil

Co.

Inc.

M'a.

Co.

l.bor.tories

Industllls,

Co,

Screw

Co.

Astoc'ites, Ilc.

T,lllsIOf."

Co.

PllclsiOil

COtp.

Inc.

Tack,

Inc.

Ind.,

Opellllon

se.lCoMluclOf

Plant

Co.

Inc.

,nu.

lac.

Corp.

01,.

01

Inc.

Rlna

Co.

MIa.

Inc.

LtVlnlston,N.J.

Inc.

Manchesl",

Eul

Corp.

lottlster,

Bridleport,

BloOlllltlel,

$GAllyvall,

los

BUlhniIOfl,

Co.

AIII4,

8Jyonne,

QUIICy,

0',.,

H.wtOl,

lo,eland.

Hewalk,

PalllSon, N.J.

lesler,

Chicaao, C1ucalO,

Boslon,

Ittla.I, Fla. loodslde,H.Y. New

York,N.Y.

Burbank,

Shelldan,

Chicalo, III.

ChlClao,

Olean,H.Y.

Mt.

CII..I,

Anaelu,

Chicaao.

Oakland.

It'UlltOll,

Yonkers,N.Y.

OIll'"S,

Yonkers,N.Y. Ja.aie.,

Galdena,

00015-39

RtylSt'd: FtbruirY, 1965

From.

FSC.

H,.,dboot Suppltmtl'lts

H4-1

O.lfd O.led

HH

OECEUBER IIARCH

1%2

1

%4

Appendix B

Model

651B

ALABAMA

Huntsville, 2003

(205)

TWX:

ALASKA

Bellevue,

11656 (206) TWX:

ARIZONA

Scottsdale, 3009

(602)

TWX:

Tucson, 232 (602) TWX:

CALIFORNIA

North 3939

(213)

TWX:

Sacramento, 2591 (916) TWX:

San 1055 (714) TWX:

Palo 1101 (415) TWX:

COLORADO

Englewood, 7965

(303)

TWX:

CONNECTICUT

Middletown,

589

(203)

TWX:

FLORIDA

Miami, 2907

(305)

Orlando, 621

(305)

TWX: Sl.

410-1501h 18131391·0211 TWX:

GEORGIA

Atlanta, 3110

(404)

TWX:

35802

Byrd

Spring

881·4591

510·579·2204

Wash.

N.E.

8th

454·3971

910-443·2303

85251

No.

Scottsdale 945-7601 602'949-0111

85716

So.

Tucson

623-

2564

602·792-2759

Hollywood,

Lankershim

877·1282

and

910-499·2170

95821

Carlsbad

Ave.

482·1463

916-444'8683

Diego,

92106

Shafter

Street

223-8103

714·276·4263

Allo,

94303

Embarcadero

327·6500

910-373·1280

80110

East

Prentice

771·3455

910·935·0705

06457

Saybrook

Rd.

346·6611

710·428·2036

33125

Northwest

7th

635·6461

32803

Commonwealth

425·5541

305-841·2568

Petersburg,

33708

Ave.,

Madella

and

313·391·0666

30305

Maple

Drive,

233·1141

810-751·3283

Rd.S.W,

98004

Street

Blvd.

91604 Blvd.

766·3811

Rd.

Sl.

Ave.

391·1829

N.E.

Rd.

Beach

SALES

HAWAII

North 3939 (213) TWX:

ILLINOIS

Skokie, 5500 (312) TWX:

INDIANA

Indianapolis,

3919 (317) TWX:

LOUISIANA

New

(504)

MARYLAND

Baltimore, 6660 (301) TWX:

Rockville,

12303 (301) TWX:

MASSACHUSETTS

Burlington, Middlesex (617) TWX:

MICHIGAN

Southfield, 24315 (313) TWX:

MINNESOTA

Sl. 2459 (612) TWX:

MISSOURI

Kansas 9208 (816)

TWX:

Sl.

2812 (314) TWX:

NEW

Eatontown, (201)

Englewood, 391 (201) TWX:

AND

UNITED

Hollywood,

Lankershim

877·1282

910-499·2170

Howard

677-0400

910-223·3613

Meadows

546-4891

317-635-4300

Orleans

522-4359

Security

944·5400

710-862·0850

Twinbrook

427·7560

710-828·9684

272·9000

710-332-0382

Northwestern

353·9100

313·357·4425

Paul,

University

646·7881

910-563-3734

Wyoming

333·2445 910-771·2087

Louis,

South

644-0220

910-760-1670

JERSEY

747-1060

Grand

567·3933

510-230-9709

60076

Street

21207

20852

01803

Turnpike

48076

55114

City,

63144

Brentwood

07724

07631

Avenue

46205

Dr.

Blvd.

Pkwy.

Ave.

64114

Place

Calif. Blvd,

SERVICE

STATES

91604

Hwy.

Blvd.

and

NEW

MEXICO

Albuquerque,

6501

Lomas

(505)

255·5586

TWX:

910·989·1655

Las

Cruces,

114S.Water

(505)

526-2486

TWX:

910-983-0550

NEW

YORK

New

York,

10021

236

East

75th

(212)

879'2023

TWX:

710-581'4376

Rochester, 39

Saginaw

(716)

473-9500

TWX:

510-253-5981

Poughkeepsie,

82

Washington

(914)

454·7330

TWX:

914·452·7425

Syracuse,

13211

5858

East

Molloy

(315)

454·2486

TWX:

710-541-0482

Endicott,

13764

1219

Campville

(607)

754-0050

TWX:

510-252·0890

NORTH

OHIO

OKLAHOMA

PENNSYL

CAROLINA

High

Point,

1923N.Main

(919)

882-6873

TWX:

510·926·1516

Cleveland,

44129

5579

Pearl

(216)

884·9209

TWX:

216·888·0715

Dayton,

45409

1250W.Dorothy

(513)

298·0351

TWX:

513-944-0090

Oklahoma

City

(405)

235-7062

VANIA

Camp

Hill

(717)

737-6791

West

Conshohocken,

144

Elizabeth

(215)

248-1600

TWX:

518-660-8715

Monroeville, Monroe

Complex

Building

2

SUite

2

Moss

Side

Blvd.

(412)

271-5227

TWX:

710·797-3650

OFFICES

CANADA

87108

Blvd"

N.E.

8800

1

Street

14623

Drive

12601

Street

Rd.

27262

Street

Road

Lane

19428

Street

and

828·6200

15146

TEXAS

Dallas,

75209

P.O.

Box

7166,

(214)

357·1881

TWX:

910-861·4081

Houston,

77027

P.O.

Box

22813,

(713)

667-2407

TWX:

713·571·1353

UTAH

Salt

Lake

City,

1482

Major (801) TWX:

Sl.

486-8166

801·521-2604

VIRGINIA

Richmond,

23230

2112

Spencer

(703)

TWX:

Road

282·5451

710·956-0157

WASHINGTON

Bellevue,

98004-

11656

N.E.

8th

(206)

TWX:

Sl.

454·3971

910-443-2303

GOVERNMENT CONTRACTING

San

Antonio, Hewlett-Packard Contract 225BilIy

(512)

TWX:

Texas

Marketing

Mitchell

434-4171

512·571·0955

CANADA

Montreal,

Quebec Hewlett-Packard 8270

Mayrand

(514)

TWX: Telex:

Ottawa, Hewlett-Packard

1762

(613) TWX:

Toronto,

Hewlett-Packard

1415

(416)

TWX:

Vancouver,B.C. Hewlett·packard 2184W.Broadway

(604)

TWX:

Street

735-2273

610-421-3484

01-2819

ontario

Carling

Avenue

722-4223

610-562-1952

Ontario

Lawrence

Avenue

249-9196

610-492-2382

738·

7520

610-922-5059

3605

Inwood

4242

Richmond

84115

OFFICE

78226

Division

Road

(Canada)

Rd.

Ave.

Ltd.

Ltd_

Ltd.

West

Ltd.

s/e~

Model 651B

Appendix

B

ARGENTINA

MauricioA.Suarez TelecolllllJnicaciones ca-Ios

Calvo

IlJenOS

Tel.

AUSTRALIA

Sample 9-11

Richmond

Tel. _Ie

4

Grose Glebe, Tel.

AUSTRIA

Unilabor Wissenschaflliche Rummelhardlgasse

•

P.O'-Box

"Tel.

BELGIUM

Hewlett·Packard 20-24 Brussels Tel.1122

BRAZIL

Ciental Rua

Sao

Tel.

CHILE

Hector Casilla Santiago Tel.

DENMARK

Tage

Ronneeade

Copenhagen Tel.2948

FINLAND

INTO lIeritullinkatu P.O. Helsinki Tel.611

FRANCE

Hewlett·Packard 150 Paris Tel.

Hewlett·Packard 2

rue Lyon,6•Rhone Tel.

GERMANY

Hewlett·Packard Kurhessenstrasse Frankfurta.Main Tel.

Hewlett·Packard Reeinfriedslrasse Tel,495121

Hewlett·Packard Bei. HaIIIlurgl Tel.

224

Aires

(»6312)

(34'9087)

Electronics

Cremorne

Street

E.l,

Victoria

42-4757

Electronics

Street

New

South

69-6338

H.m.b.H.

33,

Vienna

426

181

ruedeI'Hopital

20

IqlOItacaoeComercio

des

Eliseu

Pallo

8

7ll-2318

Calcagni

13942

6.42.26

Olsen

A/S

1

0

00

O/Y

11

Box

153 33

Boulevard

Massena

13

7079719

Tete

d'Or

5235

66

520036

Strohhalse

240551

SALES

(Vic)

Pty.,

(N.S.W.)

Pty,

Wales

Instrumente 6/3

1X/71

Benelux

SA

Guilherme,

62

France

Vertriebs·GmbH

95

Vertriebs-GmbH

13,

lllnich

9

Vertriebs-GmbH 26/28

AND

SERVICE

INTERNATIONAL-Electronic

LId.

Llda.

Hewlett·Packard (Technisches Herrenberger

Biiblingen,

Tel.

6971

Hewlell·Packard lietzenburger

I

BerlinW30

Tel.

2486

Hewlett·Packard Achenbachstrasse 4

Dusseldorf

Tel.6852

GREECE

K.

Karayannis

Klaflmonos

Athens

Tel.

230301

INDIA

The

Scientific

6,

Tej Allahabad Tel.

2451

The

Scientific

240,

Dr. Bombay Tel.

26·2642

The

Scientific

11

Esplanade

Tel.

23-4129

The

Scientific

30

Mount

Tel.

86339

The

Scientific

8-7,

Ajmeri

New

Delhi

Tel.

271053

IRAN

Telecom,

P.O.

Box

Teheran Tel.

43850,

ISRAEL

Electronics&Engineering DivisionofMotorola 16,

Kremenetski

Tel.

35021

ITALY PERU

Hewlett·Packard Viale

Lunigiana

Tel.691584 Hewlett·Packard

Palauo Piazza

Tel.

591

JAPAN

Yokogawa-Hewlett·Packald .59,

l·chome Yoyogi Shibuya-ku

Tokyo,

Tel.

37(}2281

Yokogawa·Hewlett·Packard .8,

Umeda

Kita-ku,

Tel.

313·0091

Strasse

Wurttemberg

36

I,

58

Square

124

Bahadur

I

Dadabhai

I

East,

Road,

Gate

I

LId. 1812

48111

Ital

ia

Marconi

2544

Osaka

Vertriebs·GmbH

Buro)

110

Vertriebs·GmbH

Strasse

30

Vertriebs·GmbH

15

Instrument

Co.,

Sapru

Road

Instrument

Co.,

Naoroji

Road

Instrument

Co.,

Calcutta

Instrument

Co.,

Madras

I

Instrument

Co.,

Extn.

LId.

Israel

LId.

Street,

Tel·Aviv

Italiana

S.p.A.

46,

Milan

Ilaliana

S.p.A.

25,

Rome·Eur

LId.

City

Ld.

I

Ld.

OFFICES

Equipment

Yokogawa-Hewlell·Packard .4,3·chome Himeikedori Chigusa-ku, Tel.

KOREA

American Seoul 112·35

Jung·ku,

Tel.

LEBANON

ConstantinE.Macridis Clemenceau Clemenceau Beirut Tel.

NETHERLANDS

Hewlell-packard 23

Amster Tel.

NEW

Sample 8 Onehunga Tel.

NORWAY

Morgenstierne&Co. Ingeniofirma 6 Tel.2016

PAKISTAN

lllshko&Company, Oosman Victoria Karachi3,West Tel.

lllshko&Company, lirat 31, Dacca, Tel.

PANAMA

Electronico P.O. Panama

Tel.

Fernando

Av. Mira Tel.

PORTUGAL

Telectra

Rua

P.O. Tel.

PUERTO RICO EUROPE

San

PoncedeLeon

Pta.deTierra

Tel.

SPAIN

Ataio Enrique

Madrid, Tel.

Nagoya

751·8545

Trading

P.O.

Box

1103

Sokong·Oong

Seoul

3.7049,

3.7613

Street Center

220846

Bur~

Roellstraat

am,

W.

(020)1328

ZEALAND

Electronics

Matipo

Street

S.E.5,Auckland

565-361

Wessels

Gate,

35

Chambers

Road

Pakistan

54601

Chambers

Jinnah

Avenue

East

Pakistan

80058

Balboa,

Box

4929

City

3·0833

Ezeta

Thou31's

lima

Box

2531,

72

Electronics,

Ingenieros

Laletta

16

B

lisbon

No.

Sta.,

12

Petit

Flores, 5-0346

RodrigodaFonseca

68 60

Juan

725-3342

2354344·5

City

Co.,

Korea,

Benelux,

98

(N.l.)

A/S

Oslo

LId.

S.A.

4719

Inc.

150,

San

103

1

Stop

Juan

LId.

N.V.

LId.

3

LId.

SOUTH

F.H.

Flanler&Co. Rosella Buitencingle Cape

Town

Tel.

3·3817

F.H.

Flanler&CO.,(Pty.), P.O.

Box 775

l'Tetoria

Wynberg,

Tel.

4(}6871

SWEDEN

HP

Instrument Centralvagen Solna

Centrum

Tel.

08·830830

HP

Instrument

Box

4028 Indunagatan Molndal Tel.2768

SWITZERLAND

Max

Paul

Wankdorffeldstrasse

Berne

Tel.

(031)4200

TAIWAN

Hwa

Sheng

P.O.

Box

21

Nanking Taipei Tel.

46076,

TURKEY

Telekom P.O.

Box Istanbul Tel.

49 40

UNITED

Hewlett·Packard Dallas Bedford, Tel.

6805?

VENEZUELA

Citec,

Edit.

Arisan-Of.

Avda.

Chacaito Caracas Tel.

71.88.05

YUGOSLAVIA

Betram 83

Avenue Brussels Tel.

3529

For Soles ond Service AssistonceinAreos Li

sted

Hewlett·Packard, 54

Route Geneva, Tel.

(022)

ELSEWHERE

Hewlett-Packard 1501

Page

Palo

Alto,

Tel.

(415)

AFRICA House

Road

C.A. FranciscodeMiranda

S.A.

Contoct:

Street

200,

Bramley

Main

Road

Transvaal

AB

28

AB

28A

4

00

Frey

78

Electronic

1558

West

Road

45936

Engineering

376-Galata

40

KINGDOM

LId.

England

NO.4

des

Mimosas

15,

Belgium

58

S.A.

des

Acacias

Switzerland

42.81.50

Mill

Road

California

326-7000

(Pty.),

66

Co.,

Bureau

94304,

LId.

Not

LId.

U.S.A.

8/00

HP 651B Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual