Hoffman ct 800 schematic

PHOTOFACT*

Fold

er

CT-8OO

HOFFMAN

CT-8O1,

TONE

CONTROL

VOLUME

CONTRAST

ON-OFF
BRIGHTNESS

VERT.

SELECTOR

FINE

SW.

HOLD

CONTROL

CHANNEL

TUNING

CONTROL

MODELS

CT-9OO,

CT-9O1

cc
O

°I
nO

£'

oo

^

TRADE

NAME

MANUFAaURER
TYPE
TUBES

POWER
TUNING

Alignment
Block
Disassembly

Hoffman

SET

Thirty

Hoffman

Television Receiver

SUPPLY

105-125

RANGE—Channels 2 through

Instructions

Diagram

Instructions

Models,

Radio

Volts,

CT-800,

Corp., 3761

60

Horizontal Oscillator Adjustment
Linearity
Parts List

Adjustments

and

Description

Photographs

Cabinet-Rear
Capacitor
Chassis-Top

Resistor

"The listing

of any
case a recommendation,
as

to the

quality
parts have been
Inc.,

by the

manufacturers

"Reproduction

View

Identification

View

Identification

HOWARD

available

replacement

warranty

and

suitability

compiled

or

use, without

or

of

such

from

information furnished

of the

particular

express

part

guaranty

replacement

type

permission,

W.

herein does
by

Howard

of

MODEL

CT-800

Cycles

13

CT-801,

So.

AC

CT-900,

Hill

St.,

CT-901

Los

RATING

Angeles,

2.6

Amps.

California

INDEX

Page

8,9,10

Photographs(continued)
24 RCA
23

Standard Coll Tuner

33

23

18,19,20

24

15,22

3,17

16,21

SAMS & CO., INC. • Indianapolis

not

constitute

W.

part.

The

to

Howard

replacement

of

editorial

in any

Sams & Co., Inc.,

numbers

of

these

W.

Sams & Co.,

part

listed."

or

pictorial con-

Tuner

Tarzlan
Trans.,

Tuner
Inductor

Identification
Schematic
Schematic-RCA

Tuner
Schematlc-Tarzlan
Tube Placement Chart
Voltage

and

Resistance Measurements

tent,

in any

manner,

is

the

use of the
Sams & Co., Inc., Indianapolis
ternational Copyright Union.
Union

(1910)

prohibited.

information contained herein. Copyright 1949

by

Howard

W.

DATE

© 117

Volts

and

Alignment

Tuner

7,

Indiana

No

patent

liability

is

assumed

7,

Indiana,

U. S. of

All

rights

Sams & Co., Inc." Printed

6/^9

4911-11

America.

reserved under Inter-American Copyright

SET #63

Page

with

respect

by

Howard

Copyright under

in U. S. of

America

FOLDER

14

13

12

11

W.

11

In-

9s
|g

O

"i

•O

O

7

5

2

4
6

to

CONVERTER

McQs]

[ft?]

21-25MC

PAGE

2

A

PHOTOFACT

STANDARD

©Howard

W.

Sami & Co.,

NOTATION

Inc.

SCHEMATIC

1949

AF

OUTPUT

FOR

EXT.

AMR

_L

©

-AAA-

^~MMF

@

150/1

<sft-

V-T-MMF

®

I

--iitx

T-MM

@

—

1500

IK

PjBS

(§)

J

ERATION

KES

IT

OF THE

POSSIBLE

MANUFACTURER

TO

BRING

YOU

OF

THIS

THIS

SERVICE

JTPUT
(T.

AMP

AUDIO AMP.

<§)

-—wv

.I.IQOn

[(§)<§)

•—'wv-J

IQK

'

39Vd

n

CO
CO

CO

T)
<

m

A

PHOTOFACT

STANDARD NOTATION SCHEMATIC

©Howard

W.

Sams

S,

Co., Inc. 1949

ITEM

V401

V402
V403

ITEM

C401

C402
C403
C404
C405
C406
C407
C408
C409

C410
C411
C412
C413
C414
C415
C416

No.

No.

USE

RF

Amp.

Mixer
Oscillator

RATING

CAP.

VOLT

680
680
680
680
50

.68
.47

1.5
25

5000

1.5
680
3
680
680
680

TUBES

REPLACEMENT

STANDARD

REPLACEMENT
6BH6
6AG5

6C4

CAPACITORS

RF

Coupling

RF

Screen Bypass

RF

Cathode Bypass

Bias

Filter

RF

Coupling

RF

Coupling

RF

Coupling

RF

Coupling

RF

Coupling
Mixer Screen
Osc. Coupling
Osc. Feedback
Osc. Feedback
Filament Bypass
RF

Bypass
RF

Bypass

Bypass

PARTS

DATA

BASE
TYPE

6BG

IDENTIFICATION

RMA

7CM
7BD

LIST

AND

DESCRIPTIONS

ITEM

No.

R401

R402
R403
R404
R405
R406
R407
R408
R409

R410

ITEM

L401

L402
L403
L404

No.

RATING

RESISTANCE

22K2
33KS

10K2
1002

47002

1

Meg.

82K2
68002
22KS2
470ffl

USE

Ant. Input

Ant . Input
High

Band
Ant. Input
High

Band
Fll.

Choke

WATTS

i
1

4

1

i
i
^

02

02
02

02

PRI.

RF

RF
RF

RF
Mixer
Mixer
Mixer

Osc.

Osc.

Osc.

DC

RES.

RESISTORS

Grid

Screen
Plate
Cathode

Coll

Shunt
Grid
Screen

Plate
Grid
Cathode

COILS

SEC.

Wound
10002

IDENTIFICATION

on

powdered

resistor

Iron

core

&

PAGE

4

<

1

RF

TUNER-LEFT

SIDE

RF

TUNER-RIGHT

SIDE

PAGE

5

Q
m

CD

BOTTOM

VIEW

V

30

IOBP4

PICTURE

TUBE

TUBE PLACEMENT CHART

RF

TUNER-LEFT

C603)

•^

.^X V /

SIDE

(L603)

[A624J

|_

(®)

_J X / N x

(V60J)

[A623

L.

RF

TUNER-RIGHT

SIDE

PAGE

7

ALIGNMENT

the
alignment

If

receiver

the

antenna terminals,

follows.

STANDARD

RCA
SARKLS

DUMMY

ANTENNA

To

Connect
The

Insertion

and

turn

to

chassis.

The

waveforms

being

Do

not

make

ant.
(See
notes)

the

inject
the

6.

used.

See

Instructions

above

remove

connection

High
of

3rd
(V13) . Low
chassis

High
of

2nd
(V13).
chassis

High

(Grid)

Low

side

sis.

High

of

3rd

(V13).

chassis.

High

of

2nd
(V12).
chassis.

High
(Grid)

(Vll).

to

chassis.

Direct

Direct

3

4

Direct
Direct

5

Direct

6
7

Direct

8

Direct

9

Direct
Direct

10

horizontal deflection.

used
and
side
in f igure

scope

DUMMY

ANTENNA

5000MMF

11

and

DUMMY

ANTENNA

5000MMF

5000MMF

13

14

5000MMF

15

5000MMF

DUMMY

ANTENNA

5000MMF

12

5000MMF

13

5000MMF

If

alignment
high voltage supply.
The

is

Point

TARZIAN

SIGNAL

GENERATOR

COUPLING

terminals.

preallgnment

"

"
"
"
"

synchronized

of the

the

channel

SARKES

shown

SWEEP

GENERATOR

COUPLING

the

SIGNAL

GENERATOR

COUPLING

side

Sound

.

PRE-ALIGNMENT

oscillator

screwdriver

badly

misaligned

signal

COILS

Point

Loop

sweep

signal

selector

RCA

TUNER:

TARZIAN:

may be

shield

to

Point

to pin

IF

side

to

is

performed

tube (V3)

may be fed to the

GENERATOR
FREQUENCY

19.75MC

21.25MC

21.25KC

27.25MC

21.8I1C

25.

22.

25.2MC

23.4HC

sweep

generator

as

follows:
switch

Remove

Inverted

GENERATOR
FREQUENCY

24MC
(10I1C

covering

B'

GENERATOR

FREQUENCY

21.25IC

tl

"

side

to pin #1

Sound

IF

Low

side

to pin

6BA6

to

chas-

to

side

to

side

to
6BA6

pin

IF

pin
IF

pin

side

to

fl

(VI)

tl

to

tl

to

tl

GENERATOR
FREQUENCY

21.25MC
(600KC

,

side

of

SWEEP

GENERATOR

COUPLING

side

Sound

Low

side

Sound
Low

side

of

Low

for

adjusting.

making

J
L

a few

SIGNAL

SMC
SMC

voltage

Remove

SWEEP

Sweep)

through

SIGNAL

"

n

SWEEP

Sweep)

a

n

to

SOUND

the

INSTRUCTIONS-READ

with

picture tube

should

be

removed

impossible

mixer

of

wire

DC

Probe

Junctions

and

R41.

to

chassl

DC

Probe

d£>

Common

chassis.

VIDEO

around the

It

turns

CHANNEL

9

9

9
9

9

9
9

9
9
9

OVERALL

VIDEO

from

the

signal

signal

will

STANDARD

that

the

RF

the

oscillator,

depending

MARKER
GENERATOR
FREQUENCY

See

Fig.

4.

IF

discriminator

alignment hole

CHANNEL

9

9

9

9

SOUND

MARKER
GENERATOR
FREQUENCY

21.25MC

D

COIL

channel.

Amp.

mixer

on the

CHANNEL

ALIGNMENT

)C

Probe

3>ln

.

Meg.

chassis.

)C

Probe

3>

Common

sis.

)C

Probe

t

h

Comnon

31s.

IF

ALIGNMENT

CHANNEL

vary with

9

series

CAREFUILY

removed,

when

IF

ALIGNMENT

to get

grid.

CONNECT

VTVM

to

of

R4C

Common

s.

to

point

to

"

»

•

"
'<

IF

ALIGNMENT

generator

TUNER:

Remove

Connect

and

oscillator

RF

Amp.,

number

Vert. Amp.
Point

to

chassis.

USING

VTVM

tube s ocket

in

shield.

CONNECT

VTVM

to

Point
with

Common

to

point

to

chas-

to

point

to c

n

JSING

9

Vertical

Pointoa
to

chassis.

9

Vert.
polntuh
series^with
Ground

9

BEFORE

ATTEMPTING

remove

V24

performing

sufflcent reading

TMs

mixer

the

the

of

CONNECT

<a

point

tube.

ADJUST

Al

A2
A3
A4

AS
A6
A7
A8
A9

to

type

the

high

and

mixer

amplifying

SCOPE

to

Ground

during

ADJUST

A10

IF

is

the

tuner

oscillator

s ide of the

tubes

tubes

step

to

All

A12.A13

has-

A14.A15

FM

SIGNAL

SCOPE

amp.

Ground

in

to

chassis

GE!

to

to

33KS2.

CONNECT

&np.

ALIGNMENT

from

its

socket

to

Adjustments.

accessible

Set

contrast
reading.
tire

Adjust

ii

n n

Adjust
having 3 fixed trimmers
winding

21.25MC.
Adjust

on

Leave

IF

Alignment
for

for

should

for

Use

VTVM

with

in

the

control

at

minimum

,i

minimum

be

maximum

Insulated

the

different

REMARKS

this
procedure.

deflection.

deflection.

adjusted

deflection

„

,,

Adjust

for
quired
If FM
continue

maximum

adjustment

signal

with

horizontal

used.

Determine

mixer

generator

a nd use the

and use

stages

in

ADJUST

Make

A5,A6,

to

A7,A8

A9

Detune

ion.

Adjust

negative reading
side

Adjust

ERATOR

ADJUST

A10.A1I

A13,A1E

A14.A1E

obtain

If

considerable

quired

12.

Fashion

All.

for

zero reading. A positive

of

correct
for

n

n n n

AND

OSCILLOSCOPE

Adjust
peaks
line
line

Adjust
symmetry

Adjust

symmetry
Step

deflection.

in
generator
Step

13.

amplifier

which

coll

to

dummy

dummy

mixer

the

vertical

slight

response

the

traps

hook

REMARKS

Adjust

A10 for

is

setting.

maximum

deflection.

for

maximum

and

stralghtness

with

marker

as per

for

maximum

per

for

maximum

per

16.

adjustments necessary

disable

signal

being

ture

to

give

a -3

setting

Those

across

for

minimum

Step 8 repeat

in t he

strip

point

mixer

If A7 re-

is not

avaiable

scope

tuner

for any

J and the low

tube

tube

as

amplifier

REMARKS

curve

adjustment

must

be

on 1

Megohm

maximum

obtained

on

REMARKS

aplltude

at

center

Fig.

1.
amplitude

Fig.

2.

amplitude

Fig.

3.

Continue

fed to

rs as

volt

during

models

this

trap

Step

for

Is

being
enamel

as

shorn

shown

In t he

per

is re-

realigned.

resls

oeflect-

or

either

of

of

diagonal

of

and

and

en-

at

2.

in-

Fig.

tor

with

4

PAGE

8

LLY

BEFORE

oved,

;et

.he

non

point

MMENT

nerator

ATTEMPTING ALIGNMENT

remove

V24

from

its

socket

to

performing

sufflcent reading

This

mixer

R4C

hthe

Remove

ct

the
sclllator
p.,

er

of

CONNECT

"t.
Intoa

chassls.

iocket
aid.

olnt
1th

to

oint

:

has-

G FM

CONNECT

tical

ntcp>

chassis.

t.

Amp.

ntflA

iesS/lth

und

IF

point

Adjustments.

is

accessible

on

VTVM

in

Use

with
the

insulated

different

tube.

Set

contrast
reading. Leave
tire

Adjust

A3
A4

AS

type tuner used. Determine which tuner

high

and

amplifying

SCOPE

Amp.

Ground

during step

All

A12.A13

A14.A15

SIGNAL GENERATOR

SCOPE

amp.

Oround

in

to

chassis

Adjust
having 3 fixed trimmers across this trap
winding

21.25MC.
Adjust

Adjust
quired
If

FM

continue with Step

to the

horizontal amplifier

the

oscillator

side

of the

tubes

a nd

mixer tubes

stages

A5,A6,

to

A7,A8

A9

12.

Detune
ion.

Adjust
negative

side

Adjust

ADJUST

to

Aid,

to

A12,Ai;

33K2.

A14,Alf

control

at

IF

Alignment procedure.

for

for

should

for

for

adjustment

signal generator

mixer
generator

use

the

ana use

In

Hake
to

If

quired

this setting during

minimum deflection.

minimum deflection. Those models

be

adjusted

maximum deflection

maximum

deflection.

in

coil strip

to
dummy
dummj

the

vertical amplifier

slight adjustments

obtain response curve
considerable adjustment

the

Fashion hook

All.

Adjust

for

zero reading. A positive

reading

of

correct setting.

for

AND

All

is

maximum deflection.

OSCILLOSCOPE

Adjust

for

peaks

and
line
line

Adjust
symmetry

Adjust
symmetry
Step

stralghtness

with

marker

as per

for

per

for

per

16.

disable

the

signal being

ture

rs as

REMARKS

to

give

a -3

volt

for

minimum

If

Step 8 repeat Step

is not

12.

inthe

for any

point J and
mixer tube
mixer tube

REMARKS

traps must

on 1

AID

for

obtained

REMARKS

maximum

at

Fig.

1.

maximum amplitude

Fig.

2.

maximum amplitude

Fig.

A?

avaiable

scope

for

Is

being
enamel
the low

as

show

as

shown

necessary

per

is re-

be

realigned.

Megohm

resls

maximum

*flect-

on

either

aplltude

of

diagonal

center

3.

Continue with

ALIGNMENT

fed to

en-

at

re-

2.

in-

Inthe

Fig.4

tor

FIG.

or

of
of

and

and

SOUND

MARKER

NOT

30X

_J

INSTRUCTIONS

Set

DUMMY

ANTENNA

Direct

16

Direct

17

FIG.

I

FIG.2

Complete
zero reading
(Connect
majority
adjusting A19.
channels.
oscillator
counter-clockwise position
one

by
Follow

DUMMY

ANTENNA

Direct

18

Direct

19

3

FIG.

4

MORE

THAN

VIDEO

MARKER

FIG.

5

contrast

Step

control

SWEEP

GENERATOR

COUPLING

Across antenna

terminals.

*

Picture

t

Sound

alignment

is

obtained

signal

generator

of the

channels

It

If

step

coll

slugs.

one,

as the

19 for

SIGNAL

GENERATOR

COUPLING

High

side

ant.

terminal.

side

to

chassis.

CAREFULLY

AT

RIGHT ANGLE.
CONNECT
PIN 4 WHICH

AT

THE

OTHER

SHOWN.

to

-1.5

ti

carrier

carrier

of the

oscillator

for

and

seem

should

be

18

fails

to

These

which

channel switch

alignment

GENERATOR

to one

Low

ii

SIGNAL

GEN.

BEND

PINT

PINS

5&6

IS

GROUNDED

SOCKET. CONNECT

COMPONENTS

RF AMP

«,

MIXER

volts.

Measure

SWEEP

GENERATOR

FREQUENCY

207MC

(10MC

Sweep)

213MC

(10MC

Sweep

201MC

(10MC

Sweep)

195MC

(10MC

Sweep)

189MC

(10MC

Sweejp)

183MC

(10MC

Sweep)

177MC

(10MC

Sweep)

85MC

(

10MC

Sweep)

79MC

(

10MC

Sweep)

69MC

(10MC

Sweep)

63MC

(10M3

Sweep)

57MC

(10MC

Qujtici^

each channel

VTVM
to

noted

align

are

frequencies.

SIGNAL

FREQUENCY

215.75MC

215.75MC

209.75MC

203.75MC

197.75MB

191.75MC

185.75MC

179.75MC

87.75MC

81.75MC

71.75MC

65.75MC

59.75MC

TO

AS

GENERATOR
FREQUENCY

)

•

1

_

'OSCILLATOR

as

In

need

oscillator

that

the

accessible

automatically

is

rotated,

CHANNEL

DUMMY

FIG.6

ALIGNMENT CSTAND,

from

MARKER

205.25MC

209.75MC

211.25MC

215.75MC

199.25MC

203.75MC

193.25MC

197.75M3

187.25MC

191.75MC

181.25M3

185.75MC

175.25MC

179.75MC

83.25MC*

87.75MCT

77.25M3*

81.75MCI

67.25MC*

71.75MCT

61.25FC*

65.75MCT

55.25MC*

59.'75MCt

circuit

when t he

steps

this

oscillator

13

(J

13
12
11
10
9
8
7

arm of c

CHANNEL

9

8

7

6

5

4

3

z

ALIGNMENT

may not be n

fine

18 & 19. Sou

alignment

is an all

circuit

one

channel

centers

through

DC

Probe

^

Common

fhassls.

6
5
4

3
2

MIXER

TUBE

12

13

11

10

tunl

chann

this

the SB

CONNECT

VTVM

to P

"
»

n
"

*
"

»
»

'
<<
"

CST.

at

lea

n

Ve
tt

te

si

t

ISTRUCTIONS

r

19.751

MC

Set

contrast control

DUMMY

ANTENNA

Direct

16

Direct

17

Complete

zero reading

(Connect
majority
adjusting
channels.
oscillator

counter-clockwise
one

by

one,

Follow

Step

DUMMY

ANTENNA

Direct

18

Direct

19

to

SWEEP

GENERATOR

COUPLING

Across

antenna

terminals

.

i>

»

Picture

Sound

carrier

alignment

is

obtained

channels

A19.

It

step

coll

slugs.

as the

19 for

SIGNAL

GENERATOR

COUPLING

side

terminal.

to

chassis.

carrier

of the

should

18

fails

These

position

channel switch

alignment

to one

Low

T

signal generator
of the

If

High
ant.
side

RF

AMP 4

-1.5

volts.

SWEEP
GENERATOR
FREQUENCY

207MC
(lore

Sweep)

213KC

(10MC

Sweep)

201MC

(10MC

Sweep)
195MC

{10MC

Sweep)
189MC

(10M3

Sweep)
183MC

(KM

Sweep)
177MC

(10MC

Sweep)
85MC

(

10MC

Sweep)
79MC
(10I1C

Sweep)
69M3

(10MC

Sweep)
63MC

(lore

Sweep)
57MC

(10MC

OSCILLATOR

oscillator

for

each

and

seem

channel

VTVM

as in

to

need

be

noted

that

to

align

are

accessible

which

automatically centers

is

frequencies.

SIGNAL
GENERATOR
FREQUENCY

215.75MC

215.75MC

209.75MC

203.75MC

197.75MC

191.75MC

185.75MC

179.75MC

87.75MC

81.75MC

71.

75113

65.75MC

59.75MC

MIXER

ALIGNMENT

Measure

MARKER
GENERATOR
FREQUENCY

205.25MC

209.75MC

211.25MO

215.75MC

199.25MC

203.75MG

193.25MO

197.75M3

187.25MC

191.75MC
181 . 25MC

185.75MC

175.25MC

179.75MC
B3.25MC*

87.75MCT

77.25KC*

81.75KCT

67.25MC*

71.75MCT

61.25MC*

65.75MCT

55.25MC*

59.'75MCt

circuit

when

steps

oscillator

this

the

oscillator

rotated,

CHANNEL

13

IS
12
11
10

9
8
7
6
5
4
3
2

(STANDARD

from

arm of

CHANNEL

12

13

t
«

11

t

10

t

9

8

7

t

6

5

4

3

k;

ALIGNMENT

may not be

the

fine tuning control

18 & 19.

Is

one

through

alignment

an all

channel

circuit

channel

this

the

CONNECT

)C

Probe

\n

chassis.

Sound

VTVM

to

n

n

"

"

«

•

•

"

»

«

"

•

COL

to

CONNECT

SCOPE

1QKQ

point<2>

to

chassis.

COIL TUNER)

carrier

sometines

adjustment

time.

Turn

ADJUST

A19

to

A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31

TUNER)

chassis.

Note

in the

control

Vertical amp.
through
to
side

(STANDARD

necessary. This

this

sufficiently,

at a

control.

small hole

Point

lead

ADJUST

A16,
A17,

Low

A18

is

determined

is

turned

frequencies

may be

and

should

it

will

the

fine

that t he

front panel

Adjust
and
at

midpoint.

adjust

channels.

REMARKS

Adjust

for

flat

markers

Check

marker
maximum
one

specific channel, adjust A16,

A17

& A18 on

check

a 11
certain

appreciably affected.

through t he

done

negative peaks

oscillator

by

are

listed

in one

not be

be

necessary

tuning

control

oscillator

of the

for

zero

Rotate channel switch

Then

repeat

top

appearing

for all

reception

that

other

that

they have

checking

midpoint

in

Step 19.)

operation-Step

adjusted

to

adjust
to

slugs

tuner

REMARKS

reading,

with

slugs

Step

pattern

as per

Fig.

channels.

is

desired

channel

channels

fine
for

to

not

to see
of its

If the

18,

for

individual

the

Its

extreme

are now

sub-chassis.

between

positive

tuning

individual

18.

with

5.

for

and

then

make

been

that

a

range.

by

avail

control

and

If

able

00

O

ft O

£3

00

>

9s
Is

O

m

>

r"

9"

SO
O

CAREFULLY

AT

RIGHT

CONNECT

PINS
PIN 4 WHICH
AT

THE

SOCKET.

OTHER

COMPONENTS

SHOWN.

BEND

ANGLE.

5i6

IS

GROUNDED
CONNECT

PINT

TO

AS

DUMMY

FIG.6

MIXER TUBE

CAREFULLY

RIGHT

ANGLE.

COMPONENTS

DUMMY

MIXER

6AG5

BEND

CONNECT

AS

FIG.7

.5

PIN

I AT

SHOWN

TUBE

PAGE

9

independent

DUMMY

ANTENNA

Two

16

carbon

res.

Two

17

carbon

res.

Two

18

carbon

res.
Two

19

carbon

res.

DUMMY

ANTENNA

Direct

Direct

17

DUMMY

ANTENNA

Direct

18

19

encountered.

maximum.

the

The

RF

Amplifier

Set

tuning

control

of

each other

SIGNAL

GENERATOR

COUPLING

Insert

150S

150S2

In

series
generator
connect
antenna

across

terminals.

150S

150S

150S

Set

fine tuning

Set

fine tuning control

wave

traps

With

the

same

GENERATOR

COUPLING

Across

antenna

minals.

*

picture

T

Sound

GENERATOR

COUPLING

High

side

ant.

terminals.

side

to

ABas & A624

receiver
Adjust
relative

SWEEP

SIGNAL

chassis.

ALIGNMENT

mixer

center

and

ter-

Low

are

OSCILLATOR

lines

of

only

SIGNAL
GENERATOR
FREQUENCY

215.75M3

(no

mod.)

209.75MC

203.75MC

197.75MC

191.75MC

185.75MC

179.75M3

87.75MC

81.75HC

71.75MC

65.75MC

59.75MC

RF AMP

SWEEP

GENERATOR

FREQUENCY

213I1C

(

10MC

207M3

201MC
19SMC
189MC
183MC
177MC
85MC

(10MC

79MC

69MC

63MC

57MC

to

mid-capacity

SIGNAL
GENERATOR
FREQUENCY

215.75MC

209.75MC

203.

197.75MC

191.75MO

185.75MC

179.75MC

87.75MO

81.75MC

71.75MC

65.75MC

59.75M3

used

to

the

for

Turn

and

at

reslsto

with

each

lead

and
the

to

mid-capacity point

"

carrier

carrier

to one

tuned

A623 & A624

position.

ALIGNMENT

of

this

Its
those c hannels

tuner

range during

CHANNEL

13

12
11
10
9
8
7
6

5
4

3

2

«.

MIXER

ALIGNMENT C RCA

and

MARKER
GENERATOR
FREQUENCY

211.25MC

Sweep)

215.75MC

205.25MO*

209.75MCT
199

.25MO

203.75MCT

193.25MC*

197.75MCT

187.

2511;

191.75M3T

181.25M3*

185.75MCT

175.25M3*

179.75MCT

83.25MC*

87.75MCT

Sweep)

77.25M3*

8]

,75MCt

67.25MC*

71.75MCT

61.25MC*

65.75MCT

55.25MC*

59.75MCT

OSCILLATOR

75M3

for

channel having

minimum

one

ALIGNMENT

point.

CHANNEL

13

12

11

10
9
8
7

.

6

5

4

S

2

specific

interference

core

1/2

INSTRUCTIONS

CSARKES

TARZIAN

are

very

stableand normally should never require adjustment.

alignment

out of

alignment need

CONNECT

VTVM

DC

Probe

Low

chassis.

to

side

TUNER)

<S>

contrast control

CHANNEL

Vertical

13

through
point
side

12
11
10

if

9
8
7

6

5
4
3
2

CRCA

CONNECT

VTVM

DO

Probe
Low

chassis.

of

the 1

In

and

to

side

Interference

nterference,

the

adjust

«?>

types

turn

of the

Point
to

to

CONNECT

SCOPE

<C»

to

TUNER}

Point

to

picture

the

TUNER)

oscillator c Ircuit.

tie

adjusted.

ADJUST

A401

A402

A403

A404
A405
A406
A407
A408

-1.5

volts

amp.

lOKffi

to

Low

chassis.

"

u

"

"

1

"

"

ADJUST

A609,
AGIO

A611

A612

A613
A614
A615
A616

A617,618

A619

A620

A621

A622

and

their

set

fine t unlng

and s

ound

other

for

CCONTJ

The

Expand

or
tion.
accurately.

Adjust

reading.

A601,

A602,
A603,
A604

A605,
A606,
A607,

A608

Adjust

and

compress

Signal

generator

for

maximum

ADJUST

Adjust

tern

and

Fig.

5.

Check

response

jr

Adjust

for

tern

with

per

Fig.

Check r esponse

for

zero reading between positive

negative peaks.

alignment

keeping both cores

minimum

will

control

interference

osc. adjustments

REMARKS

coil

for

must

n

deflection.

REMARKS

for

flat

top

markers

falling

pattern

tr

flat

top

markers

5.

appearing

pattern

"

"

REMARKS

n

depend

until

Interference 1 s

a t a

are

maximum

be set

deflec-

very

response pat-

as

Per

as per

response

pat-

as

as per

upon

the

type

pproximately

Fig.

Fig.

at

5

PAGE

10

O
m

Item

V

1A

V2A

V3

V A

V

5

V

6

V7

V

8

V9

V

10

V 1

1

V

12

V

13

V 1 4

V

15

V

16

V

17

V

18

V19

V20

V21

V22

V23

V24

V25

V26

V27

V28

V29

V30

+

Do not

§

Taken

Tube

6AG5

6J6

6AG5
6AG5

6AG5
6AG5
6AL5

6AU6

6K6GT
6BA6
6BA6
6AU6
SALS
6AT6

6V6GT

6SK7

6SH7
6SH7GT

6J5

6K6GT

6AI.5
6AC7
6K6fiT
6BG60
5V4G

1B3GT

5U4G

S1I4G

10RP4

with

-.GVDC

95VDC

-5.2VDC

-5.2VDG

-5.4VDC

0V
0V

-.SVDC

ov
ov
ov

-.3VDC

OV

-.4VDC

OV

OV
OV

-.4VDC

OV
OV

- . SVDC

OV
OV
OV
OV

ov

ov

ov

measure

vacuum

Pin 1

Pin

OV

150VDO

OV
OV

OV

1.2VDC

-48VDC

OV
OV
OV
OV
OV

- . 1VDC

OV

6.3VAC

OV

OV

88VDC

OV
6

.3V

-3 . 6VDC

OV
OV

6.3VAC
340VDC

280VDC

280VDC

-45VDC

tube voltmeter

VOLTAGE

VOLTAGE

READINGS

2

Pin

3

Pin

4

Pin

5

DC

SVDC

IK

10

OV

ov

6.3VAC

OV

OV
OV
OV

6.3VAC
138VDC

6.3VAC

OV

6.3VAC

OV

6.3VAC
245VDC

-.8VDC

-1VDC

-110VDC

-80VDC
220VDC

4.9VAC

-1VDC

200VDC

OV

275VDC

350VAC

350VAC

PIN

11

OV

135V

DC

-.9VDC

138VDO
138VDO

138VDC
100VDC

-27VDC
240VDC

-2.4VDC
140VDC

125V

DC

48V

DC

OV

-.5VDC

-5.

TV

DC

OV

ov

-27V

DC

-85VDC

-bSVDC

-1.2V

DC

OV

-21VDC

-p.£wnn

-80VDC

OV

OV

OV
PIN

12

JL^VAC__

135VDC

§-3.

138VDC

138V

138VDC
130VDC

OV

133VDC

OV

120VDC
120VDC
48VDC

OV

-.5VDC

-20VDC
125VDC
138VDC

-80VDO

-80VDC

-55VDC

OV

105VDC

34QHJJC

OV

275VDC

350VAC

350VAC

6.3VAC

6.3VAC

OV

6.3VAC

6.3VAC

6.3VAC

6.3VAC

OV

100VBC

OV

6.3VAC

OV

4.9VAC

OV

230V

OV

ov
ov

ov

21
220VDC

AC

OV
OV

175V

-70VDC
.2VDC

OV

ov

PIN

260VDC

Pin

6

SVDC

DC

1.

DC

Voltage
ohms
ohms.

2. Pin

numbers
tion

3.

Measured

mon

AND

Pin

7

OV

ov

ov
ov
ov

1.2VDC

-1VDC
OV

6.3VAC

1.8VDC

1.8VDC

OV

-.3VDC
70VDC

cv

6.3VAC

6.3VAC

6.3VAC

6.3VAC

OV

-7.5VDC

6.3VAC
S.3Vllr!

OV
OV

OV

ov

measurements

per

volt;

AC

are

counted

on

bottom

of

values

negative

unless

RESISTANCE MEASUREMENTS

RESISTANCE

Pin

at

minimum.

according

are

given.

OS

*5K2

392

392
392

ISOSi
180K2

02
02
02
02

Offi
100K2

OS!

.22
02
02

*7K2

02

.2S.

1.4

02
02
.22

*5.5KS2

Inf.
6K2
6KB

1.3M6K.

volts

both

2

Meg.

for

volt-

to

trie

minimum

Pin

3

.22
.22

0£2

.22
.22
.22
.22

02

*4.SK2

02

.2.0

02

.22

02

*1500SJ

02
02
02

*1.5Meg.
*280KS2

*10K2

OSi

Offi

*5K!2
4802

SSOSi

inf.
inf.
inf.

PIN

10

0150KB

Pin

8

TCP CAP

4.

SVDC

OV

18

SVDC

138VDC

OV

-80VDC

-45V

DC

-55VDC

240VDC

-RVTIC

in a

from

socket

otherwise

+

are at

clockwise

stated.

155VDC
340VDC

280VDC

280VDC

Voltage measured

socket.

are

pin to

20,000

at

1,000

direc-

com-

Hem

V

1

V

2

V

3

V

4

V

5

V

6

V7

V

8

V9

V

10

V 1 1

V

12

V13

V

14

V

15

V

16

V

17

V

18

V

19

V20

V21

V

22

V23

V24

V25

V26

V27

V28

V29

V

30

*

Measured

4.

Line

voltage

age

readings.

5.

Front

6.

Where

setting
and

maximum

Tube

6AG5

6J6

6AG5

6AG5
6AG5
6AG5
6AL5

6AUO

6K6GT
6BA6
6BA6
6AU5

6AL5
6AT6

6V6GT
6SK7
6SR7
6SN7C-T

6J5

6K6GT
6AL5
6AC7

6K6GT
6BG6G
5V4G
1B3GT

5U4G

5U4G

10BP4

panels

readings

of the

60KS
*9.5K2

18K2

17KS2

11KS2

jsa

.52

470K2

OS!
.12

470K2
22K2

200K2

lOMeg.

Inf.

OS
OS

1

Meg.

02

Inf.

900K2

OS

Inf.

Inf.

Inf.

Inf.
Inf.
inf.

OS

from

pin 2 of V29

maintained

controls

may

service

readings

Pin

1

at 1 1 7

set

vary

controls,

READINGS

Pin

4

02

02

.22

02
OSi
02
02

.22

812QQ2

.22

Offi

.22

02

.22

*10002

1

MeS.

850K2
250K2
50K2

»10KS2

.22

1.3M6E.

*10K2

Inf.
*422
Inf

.

410S>

41

OSi

PIN

11

02

Pin

*-7K2
250KS2

i»2.5K2

»2.5K2
*5K2
*8K2

1

Mee.

<tlOK2

470KS2
if2.2K2
if2.?.Kn
*7.5K2

02
Inf.

300K2

02
02

<f700K2

1.5K6E.

2.2I1eir.

122
102

75K2
450KSJ

Inf.

Inf.
inf.
Inf.

PIN

12

.22

5

Pin

6

*7K2

10K2

*2.5Kffi

«2.5K2
ft2.2K2
*2.2K2

02

*1200S2

Tnf

.

«2.2K2

1AJ5K2
«7.5KSJ

02

Inf.

1002

*2.5KS

*15COffi
4002
80K2

4.7K2

02

*18K2

! .22

110KS! i .252

Inf . j

*42S2

Inf.

410S2

4102

Pin

02
02

392

392

39Si

150S2

3.9K2

02

.22

noon

n

no.

Offi

100K2
*320K2

02

.22

.zv:

.22
.2S2

02

1 . 4Hee

02

Inf.
Inf.
Inf.
Tnf.

7

Pin

8

TOP CAP

SSQ2

a

02

*10Kffi
*8K2

02

4002

7.5K2

3K2

-»32K2

9.5S2
*10K2
*5.5K2

Tnf.
6K2
6K2

*5.5Kffi

-»5.5K2

L06-ID

'O06-1D

S11GOW

'LOS-ID

OOS'ID

NVWddOH

A

PHOTOFACT

STANDARD

©Howard

NOTATION

W.

Sams & Co., Inc. 1949

USr

SCHEMATIC

ITEM

No.

V601

V602
V603

ITEM

No.

C601

C602
C603
C604
C605
C606

0607
0608
C609

0610
C611
C612
C613

0614

0615

C616

C617

0618

C619

USE

R.

F.

Amp.

Mixer
Oscillator

RATING

VOLT

CAP.

10
10

1500

270
270

1.5

1.5
.68

4.7

2.2

1500

22

1500

10

4.7

4.7

1500
1500

68

REPLACEMENT DATA

TUBES

STANDARD

REPLACEMENT

6J6
6J6
6J6

CAPACITORS

Fixed

Trimmer

Fixed'

Trimmer

RF

Bypass

RF

Coupling

RF

Coupling
Neutralizing
Neutralizing
RF

Coupling

RF

Coupling

RF

Coupling

RF

Decoupling

Fixed

trimmer

Osc.

Decoupling

Fixed

Trimmer

Osc.

Feedback'

Osc.

Feedback

Filament Bypass

Mixer

Decoupling

Fixed

Trimmer

PARTS

RMA

BASE
TYPE

7BF
7BF
7BF

IDENTIFICATION

LIST

AND

DESCRIPTIONS

RESISTORS

ITEM

No.

R601

R602
R603
R604
R605
R606
R607
R608
R609

R610
R611
R612
R613
R614

ITEM

No.

L601

L602
L603
L604
L605
L606

RATING

RESISTANCE

ISOffl

isoa

1000S2

47002

4700ffi

loooa

1

Meg.

lOKffl
1000S2

isoa

4700S

472

100KS2
LOOKH

USE

Ant . Input

Interfer-

ence

Trap

Interfer-

ence

Trap

Filament

Choke

Mixer

Grid

Trap

1st.

Video

IF and

Sound Trap

WATTS

A

i
I

I

1

X
£

s

1

*

i

i

i

PRI.

.23.

RF
RF
Bias
RF
RF
RF
Mixer
Mixer
Mixer
Decoupling
Osc.
Osc. cathode
Osc.
Osc.

DC

RES.

OS
OS,

OS
OS

oa

Grid
Grid

Plate

Plate
Decoupling

SEC.

oa

Filter

Grid

Grid

Shunt

Decpupllng
Plate
Grid

Grid

COILS

IDENTIFICATION

PAGE

12

CHASSIS

BOTTOM

VIEW-TRANS.,

INDUCTOR

AND

ALIGNMENT

IDENTIFICATION

PAGE

13

RF

TUNER-LEFT

(L5)

©

SIDE

PAGE

14

RF

TUNER-RIGHT

SIDE

CHASSIS BOTTOM

VIEW-CAPACITOR

IDENTIFICATION

IO6-1D

'006-13

siaaow

'IO8-1D

OOS'ID

PAGE

16

I

m
ru

CHASSIS

BOTTOM

VIEW-RESISTOR

IDENTIFICATION

IO6-1D

'OO6-1D

S11QOW

'IO8-13

NVWJdOH

OO8-1D

HOFFMAN

CT-8OO CT-8O1, CT-9OO, CT-9O1

MODELS

M3IA

dOl

SISSVHO

ITEM

No.

CIA

C2A

C3A
C4A

05A
C6A
C7

08
C9
010
Oil
012
CIS
014
015
016
017
CIS
C19
020
021
022

C23
024
025
026
C27

028
029
030
C31
032
033

034

035
036
037
038
039
C40
041
042

043

044

045

046

047

048

049

050

OS1

C52

053

C54

055

ITEM

VI
V2
V4
V5
V6

V7

V8
V9

V10

Vll
V12
V13
V14
V15
V16
V17
V18

VI

V20
V21

V22
V23

V24
V25
V26
V27
V28
V29
V30

B

0
B

c

B
B

c

B
B

No.

9

270

RF

Amp.

Converter
1st

Video

2nd

Video

3rd

Video

4th

Video

Video

Det.-DC

Rest.
Video

Amp.

Video

Output

1st

Sound

2nd

Sound

3rd

Sound

Disc.

Audio

Amp.

Audio

Output

1st

Sync.

Sync.

Sep.

2nd

Sync . Amp . -

Horlz.
Vert.

Osc.

Dlsch.

Vert.

Output
Horlz.
Disc.
Horiz.
Horlz.
Horiz.
Damper
HV

Rect.

LV

Rect.

LV

Rect.

Picture

RATING

VOLT

CAP.

40

450

40

450

10

450

40

450
450

10
80

150

20

450
350

80
40

450
450

10

10

350

450

80
50

50

250

10

6

1000

5

1000

120
100

20

10

1000

1000
1500
1500
1500
1500

270

500

1~>00

1500
1500
1500

270

500

1500
1500
1500
1500

500

82

1500
1500

.25

400

270

500

1500

10

500

.05

400

.05

400

470

500

.05

400

400

.05
.25

400

1500
1500

.01

400

1500
1500
1500

51

6500

270

500

.002

400

.01

400

.01

400

.01

400

USE

IF

IF
IF
IF

IF
IF
IF

Amp.

Dlsch.

&

Sync.
Reactanct

Osc.
Output

Tube

Capacity
and

HOFFMAN

PART

T4204

T4203

T4201

T4202

T4205
T4206

T4007
T4007
T4007
T4007
T4004
T4007
T4007
T4007
T4007
T4004
T4007
T4007
T4007

T4007
T4004
T4003
T4007
T4007

T4113

T4004
T4007

T4000

T4111

T4111

T4010

T4111

T4111

T4113

T4007

T4007

T4106

T4007

T4007

T4007

T4001

T4009

T4014

T4101

T4106

T4106

T4106

TUBES

REPLACEMENT

HOFFMAN

PART

No.

6AG5

6J6

6AG5
6AG5
6AG5
6AG5

6AL5
6AU6
6K6GT
6BA6
6BA6
6AU6
6AL5
6AT6
6V6GT
6SK7
6SH7

6SN7GT

6J5

6K6GT

6AL5
6AC7
6K6GT
6BG6G
6V4G

1B3GT
5U4G
5U4G

10BP4

values

Capacitors,

1

AEROVOX

1

PART

UPRS450/10

AF4444J

AF88J
PRS50/150
PRS12/250
PRS6/1000

1467-0015
1467-0015
1467-0015
1467-0015
1468-00025
1467-0015
1467-0015
1467-0015
1467-0015
1468-00025
1467-0015
1467-0015
1467-0015
1467-0015

1468-00025
1467-0015

1467-0015
P488-25
1468-00025
1467-0015
1468-00001
P488-OS
P488-05
1468-0005
P48Q-05
P488-05
P438-25

1468-0015
1468-0015

P488-01

1467-0015
1467-0015
1467-0015
1468-00005
1467-006
1468-00025
P688-002
P488-01
P488-01
P488-01

given

No.

Paper

No.

[JAF4444J

AFH82J16D

AF4444J

I

(SYLVANIA

DATA

STANDARD

REPLACEMENT

6AG5

6J6

6AG5
6AG5
6AG5
6A05

6AL5

6AU6
6K6GT

6BA6

6BA6
6AU6
6AL5

6AT6
6V6GT
6SK7
6SH7

6SN7GT

6J5

6K6GT
6AL5

6AC7
6K6GT
6BG6G

5V

4G

1B3GT
5U4G
5U4G

10EP4

CAPACITORS

in the

rating

and in

mmfd.

REPLACEMENT

CORNELL­PART

UP9CJ

UP9CJ

UP8BJ

UP9CJ

UP9BJ

UP7BJ

5W5T25
1W5D15

1W5D15
GT4P25
5W5T25

5W5Q1
GT4S5
GT4S5
5W5T5
GT4S5
GT4S5
GT4P25

GT4S1

DUBILIER

No.

897

729

337
731

730
808

1W5D15
1W5D15
1W5D15
1W5D15
5W5T25
1W5D15
1W5D15
1W5D15
1W5D15
5W5T25

1W5D15
1W5D15
1W5D15
1W5D15

1W5D15

1W5D15
1W5D15

1W5D15
1W5D15
1W5D15
5W5Q.S
1D3D7
5W5T25
GT6D2
GT4S1
GT4S1
GT4S1

DATA

PART

NPOK-5
GP2L-001
GP2K-150
GP1K-100

NPOK-20

NPOK-10
GP2L-001
GP2L-001
OP2L-0015
GP2L-0015
GP2L-0015

GP2L-0015

GP2K-250

GP2L-0015

GP2L-001S
GP2L-0015
GP2L-0015

GP2K-250

GP2L-0015

GP2L-OO15

GP2L-OC15

GP2L-0015

GP2K-250
GP2L-0015

GP2L-0015
GP2K-250

GP2L-0015
GP1K-10

GP2K-500

GP2L-0015
GP2L-0015
GP2-335-01
GP2L-0015
GP2L-0015
GP2L-0015
GP1K-50
GP2-335-01
GP2K-250

GP2I1-002

GP2

GP2-335-01

GP2-335-01

or

RMA

BASE

TYPE

7BD
7BF
7BD
7BD
7BD
7BD

6BT
7BK

73

7BK
7BK
7BK
6BT
7BT
7AO
8N
8BK

8BD
6Q

7S
6BT

8N
7S
5BT
5L
30
5T
5T

column

for

Mica

ERIE

No.

335-01

Equivalent)

are in

mfd.

SOLAR

PART

5-325

5-215
5-215

5-215

Ceramic

No.

5-215
5-215
5-215
5-215

5-325

5-215
5-215
5-215
5-215

5-325

5-215
5-215
5-215
5-215

5-325

5-41

5-35

5-215

5-215
5-215
5-45

5-325

for

SPRAGUE

1FM-215
1FM-215

1FM-215
1FM-215
1FM-325
1FM-215
1FM-21S
1FM-215
1FM-215
1FM-325
1FM-21S
1FM-215
1FM-215
1FM-215

1FM-325
1FM-21S

1FM-215

TC-2

1FM-325
1FM-215

MS

TM-15
TM-15

1FM-35

TM-15
TM-15
TC-2

1FM-215

1FM-215

TM-11

1FM-215
1FM-215
1FM-215

1FM-45

1FM-27

1FM-32S

TM-22

TM-11
TM-11
TM-11

and

IW.
MW.
MW.
MW.

MO.

MW.
MW.
MW.
HW.

MO.

MW.
MW.
MW.
MW.

MO.

MW.
MW.

ST-4-25

MO.

>IW . 5-215

MO.

ST-4-05
ST-4-05

MO.

ST-4-05
ST-4-05
ST-4-25

MW.
MW.

ST-4-01

MW . 5-215
MW.
I'M.
MO.
MW . 5-26

MO.
ST-d-002
ST-4-01
ST-4-01
ST-4-01

Electrolytic
Capacitors.

PART

No.

TVL-30

TVL-25

TVL-16

TVL-53

TVL-18

TVL-66

-41

NOTES

IDENTIFICATION

INSTALLATION

Filter

Filter

liter

Filter
Decoupling

Bias

Filter
Filter
Filter

Filter

Low

Pass

Decoupling

Filter
Vert.

Output

Hor.

Cent.

A

Vert.

Fixed

Trimmer

RF

Fll.

RF

Decoupling

RF

Coupling

Osc.

Grid

Osc.

Feedback

RF

Bypass

Conv.

Fll.

Bias

Filter

1st

V. IF

1st V.

IF

Decoupling
IF

Coupling

Bias

Filter
2nd V. IF
2nd V. IF

Decoupling
IF

Coupling

Bias

Filter
3rd V. IF
3rd V. IF
Decoupling

IF

Coupling

4th V. IF

4th V. IF

4th V. IF

RF

Bypass

IF

Coupling

V.

Det".

Fil.

Diode

Filter

Video

Coupling

"

"

Video

Output

Video

Coupling

ii

ti

Brightness

1st S. IF

1st S. IF

2nd S. IF
2nd S. IF
2nd S. IF

2nd S. IF

3rd S. IF

3ru

S. IF

RF

Bypass

De-emphasis

Audio

Coupling

ii

ti

Tone

Comp

CODES

AND

NOTES

Filter

Cath.Byj

Bypass

Cent.

Bypass

Bypass

Cap.

Bypass

Fil.

nypass

Decouplinc

Fll.

Bypass

Decoupling

Fil.

Bypass

Decoupling

Oath.

Fil. Byp.

Decoupling

Bypass

Oath.

Cont.

Oath.
Decoupling

Grid

Filter
Oath.
Screen

Plate

Grid

Filter

Decoupling

.

Byp.

±53

Byp.

Byp.

Byp.

Bypass

Bypass

Dec.

ITEM

056
C57
C58
C59
C60
061
062
063
064

065
066
067

068

069
070

071

072

073
074

075

C76
077

078
079
080

081
C82
C83
C84
085

086
087
088

089
090
091
092
093
094

095
096
097

Rll

R12

R13

R14

R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31

R32
R33

R34

R35
R36
R37
R38
R39

No.

ITEM

No.
R1A
R2A
R3A
R4

R5
R6
R7A

R8
R9A

R10A

ITEM

No.

CAP.

100

.02

.a

.01

.05
270
270

.1

.05

.01

.002

.005

.005

4700

.05
.1

82

.015
.004

.05
.05

.004

.015

1200

.004

390

.01
.05

680

.001

.1
.05
.05

.035

500
15
IS

43
75

.01
.01

1500

500K2
Shaft

B

10K2

1

B

1

B

50KX

20S1
202

1500S2
50008
Shaft

B

2.5 Meg

50K2
Shaft

B

20KS

Shaft

B

RESISTANCE
3900Si
47KS2

10KS2

22002

10K2

47002
47002
220K2
39002
39002

5K2

680K2

10K2
10K2

10002

392

150s;

150S!

150SJ

150S!

10002

10002

10KS!
392

10002
47002

392

27002
10002

RATING

10000

w

Some

T

Not

RESIST-

ANCE

Meg.
Meg.

VOLT

soo

400

200

600

400

1000

500
600
600
400
400
400
400
500
600
400
500
400

1000

400
600

100C

400
400

500
400
600
500

100C

400

400

100C

100C

600
600

used

RATING

RATING

HOFFMAN

PART

T4013
T4120

T4106

T4111

T4014
T4004

T4119
T4118
T4114
T4101
T4116
T4116

T4008

T4118
T4115

T4002
T4108
T4103

T4111
T4118

T4103
T4108

T4011

T4104
T4005
T4106

T4118

T4006
T4100

T4112
T4111
T4117

T4105
T4200

T4107
T4107
T4007

models

In

WATTS

i
£

z

4

1
1

2
i

•

i

•£

4

WATTS

^

J

i
^

2

PARTS

No.

use

.01MFD

all

models.

HOFFMAN

PART

T4809

Not

Req.

T4801
T4804

T4808
T4805
T4802
T4807

Not

Req.

T4806

T4800

Not

Req.

T4803

Not

Req.

HOFFMAN

PART

^

i
1

£

X

2

T

I

T4704

5
£

T4543
T4559

1

T4527
T4512

I

^

T4503
T4507

i

T4507

2

T4507

e

T4507

2

T4512
T4512
T4527

T4503

i

T4512
T4520
T4503
T4555
T4512

AEROVOX

PART

1468-0001
P488-02

484-.

P688-01
P488-05

1468-0002S
P638-1
P688-05
P488-01
P688-002
P688-005
P688-005

P688-05
P488-1

P488-015
P1088-004

P483-05
P688-05

P1088-004

P488-015

P688-004
1469-0004
P438-01
P688-05
1479-0007
P1088-001

P483-1
P488-05
P1088-05

1469-00004

1469-

000075
P688-01
P688-01

1467-0015

REPLACEMENT

No.

A

W-20

W20X10

W-1500

A

A

A

REPLACEMENT

No.

LIST

No.

2

In

this

IRC

PART

No.

Dlo-137

Dll-114

Dll-123
Dll-120

BTS-3900
BTS-47K
BTS-10K
3TS-2200
BTS-10K
BTS-470C
HTS-4700
BTS-220K
BTS-3900

BTS-3900
AB-5000
BTS-6S30K
BTS-10K
BTS-lOK-5%
BTS-1000

BW-i-150
BW-J-150

BW-J-150
BW-J-150

BTS-1000
BTS-1000
BTS-10K-5%

BTS-1000
BTS-4700-5%

BTS-2700-5%
BTS-1000

REPLACEMEh

CORNELL-

DUBILIER

PART

No.
5W5T1
GT4S2
GT4P2
GT6S1
GT4S5

5W5T25
GT6P1
GT6S5
GT4S1
GT6D2
GT6D5
GT6D5

GT6S5

GT4P1

GT6S15

GT16D4-

GT4S5
GT6S5

GT16D4

GT6S15

GT6D4

5R5T4
GT4S1
GT6S5
2R5T7

OT16D1
GT4P1

GT4S5
GT16S5

5R5Q4
5R5Q7

GT6S1
GT6S1

1W5D15

applies

DATA

CLARC

M-60-;

Not

43-20

43-20

58-151

M-19-i

Not

M-83-!
M-44-!

Not R

M-40-i

Not

RESI

DATA

IRC

PART

No.

PART

Hi

Ri

Ri

PAGE

18

r

Electrolytic

:

Capacitors.

IDENTIFICATION
RAGUE
RTNo.

/L-30

/L-25

/L-16

J"L-53

/L-18
/L-66

M-215
M-215
M-815
M-215

M-32S
11-215

H-21S
M-215
M-215

M-32b

M-21Q
M-215

11-215

1-325
1-215

*!-21S

-2
1-325
M-215

-41

-15

-15
M-35

-15

-15

-2
M-215
M-215

-11
M-215
M-215

INSTALLATION

Filter
Filter

liter

Filter
Decoupling
Bias
Filter
Filter
Filter

Low

Pass

Decoupling
Filter
Vert.
Hor. Cent. Bypass
Vert.

Fixed

Trimmer

RF

Fil.

RF

Decoupling

RF

Coupling

Osc.

Grid Cap.

Osc.

Feedback

RF

Bypass

Conv.

Fll.

Bias

Filter
1st V. IF
1st V. IF
Decoupling

IF

Coupling

Bias

Filter

2nd

V. IF
2nd V. IF
Decoupling

IF

Coupling

Bias

Filter
3rd V. IF
3rd V. IF

Decoupling

M-215

IF

Coupling

4th V. IF

4th V. IF

4th V. IF
RF

Bypass

IF

CouDling

V.

Det'.

Diode

Filter

Video

Coupling

Video

Output Cath. Byp.

Video

Coupling

n

n

Brightness Cont. Byp.

1st S. IF
1st S. IF
2nd

S. IF

2nd

S. IF

2nd

S. IF

2nd

M-215
M-45
M-27

11-325

-22

-11

-11

-11

S. IF
3rd S. IF
3rd S. IF
RF

Bypass

De-emphasis

Audio

Coupling

Tone

Comp

CODES

AND

NOTES

Filter

Filter

Output

Cath.Byi
Cent. Bypass
Bypass

Bypass

Fil.

Bypass

Decoupling

Fll.

Bypass

Decoupling

Fil.

Bypass

Decoupling

Cath.

Byp.

Fil.

Byp.

Decoupling

Fil.

Bypass

Cath. Byp.
Decoupling
Grid

Filter

cath.

Bypass
Screen
Plate

Dec.

Grid

Filter

Decoupling

.

±5^

Bypas;

ITEM

No.

056
C57
C58
059
C60
061
C62
C63
064
C65
C66
067
C68
069
070
C71
072
073

C74
075

C76
077

C78
079
C80

C81
C82
083
C84
C85

C86
C87
C88

C89
C90
C91
C92
C93
C94

C95
C96
097

Rll
R12

R13

R14

R15
R16
R17
R18
R19
R20
R21
R22
R23
R24

R26
R27

R28
R29
R30

R31
R32
R33
R34

R35
R3S
R37
R38
R39

ITEM

No.
R1A
R3A
R3A
R4

R5
R6
R7A

R8

R9A

RIO

ITEM

No.

B
B
B

B

B

I

3

RATING

CAP.

100

.02
.2
.01

.05
270
270

.1

.05

.01

.002

.005

.005

4700

.05

.1
82

.015

.004

.05

.05

.004

,015
1200

.004
390

.01

.05
680

.001

.1

.05

.05

.035
500
15
15
43
75

.01
.01

1500

*

t Not

RESIST-

ANCE
500K2
Shaft

10K2
1

Meg.

1

Meg.

50K2

202
202

15002
5000ft
Shaft

2.5 Meg

50K2
Shaft

1

20K2

Shaft

RESISTAN

39002
47K2

10K2

2200ft

10K2

47002
47002
220K2

39002

39002

5K2

680K2
lOKft

10K2

i

nnno

392
1502

1502
1502
1502

10002

10002

10K2

392

10002
47002
39ft
2700ft
1000ft

VOLT

500
40

20

6CX
40
10
50
60
600

400
40
400

40

5033

600
40
50
40

1000

40

600

100C

400

40
50

40

60

500

100C
40

400

100C
100C

10000

60C
60C

Some

RATING

RAT

HOFFMAN

T4013

3

T41

3

T41

3

T41

3
30

T40

3

T40

3

T41
T4118
T4114

3

T41
T4116
T41
T40L638
T4118

3

T41

3

T40
T41

3

T4103

T41

3

T4118

T4103
T4108

T40

3

T41

3

T40

3

T41

3

T41

T4006
T4100

3

T41
T4111
T4117

T4105
T4200

T41C
T41C77

T4007

models
used

WATTS

4
4

4

i
i

2

4

.

4

4
4

IKll^

~.f

WATTS

PARTS

PjiPT

Kin

30
36

LI
L4
34

19

31

L5
32
38

11

LI
34
35
36
18

i2

use

.OlMF'D

all

mode

n

HOFFMAN

PART

809

V

t

Req.

Nc

T4801
T4304

1308

T'

1805

T

TV

1802

T4807

t

Req.

Nc

1806

T'

,800

T

t

Req.

Nc

V

1,803

Not

Req.

HOFFMAN

J
J
j

3
j
J

^

4

T4704

5

T4543

4

T4559

4

T4S27

4

T1/!

R1

T4503
T4507
T4507
T4507
T4507
T4512
T4512
T4527
T4503
T4512
T4520
T4503
T4555

AEROVOX

ffrtn

1468-0001

3-02

P48
484

-.2
8-01

P68
P48

8-05

146

3-OOC

P63

3-1

P68

3-05

P488-01

P68

3-OOE

P688-005

P68

3-OOE

P68

3-05

P48

3-1

P48

3-01E

P1088-004

P48

3-05

P688-05
P1088-004
P4S8-015

P68

3-004

146

J-OOC

P48

3-01

P68

3-05

1479-0007

P1088-001

P48

3-1

P488-05
P1088-05

1469-00004

1469-

P68S

peat

J-01

1467-0015

Is.

REPLACEMENT

No.

REP1

ACEM

PART

No.

V

LIST

Kin

25

4

OOOC

75

-01

this

in

lor

PART

No.

137

D13­A

)

W-2C

W203

CIO

W-1E

)00

Dll-114

A
Dll-

123
A
Dll-

120
A

ENT

BTS-3900
BTS-4"
BTS-1C
BTS-2200
BTS-10K
BTg-4700
E!TS-47
BTS-22
BTS-3300

BTS-39
AB-5000
BTS-68

BTS-1C
BTS-10K-556

BW-4-150
3W-J-1SO
BW-4-150

BW-J-150
BTS-1000
BTS-1000
BTS-lOK-5%

BTS-1000
BTS-4700-5%

BTS-2700-595
BTS-1000

AND

REPLACEMENT

CORNELL-

DUBILIER

PARr No.

5W5T1

GT

482
4P2

GT
GT

3S1
4S5

GT

5T25

5W
GT

3P1

GT6S5
GT4S1

GT

3D2

GT6D5

GT

3D5

GT6S5

GTGTtPl

3S15

GT16D4

GT

4S5

GT6S5
GT16D4
QT6S15

GT

3D4

5R

5T4

GT

1S1

GT

3S5

2R5T7
GT16D1

GT

1P1

GT4S5
GT16S5

5R5Q4
5R5Q7

GT<

>S1

GTC

SI

1W5D15

application.

CONTROLS

DATA

CLAROSTAT

PART

M-60-2

Not

Re

43-20

43-20
58-15C
M-19-S

Not Re

M-83-E
M-44-E

Not Re

M-40-E

Not

Req.

RESISTORS

DAT

A

IRC

PART

No.

TC

K

00
OK

00
OK

K

DESCRIPTIONS

DATA

ERIE

PART

GP1K-100

G

P2K-

GP2-3

G

P2M-

GP2M-005

GCP2M-

P2-3

NPOM-75

GP2L-0015

K|0.

q.

CT,i

)0

q­q-

PART

No.

MO.

ST-4-02
ST-4-.2
ST-6-01
ST-4-05

MO.

BSO

ST-6-1
ST-6-05

35-01

ST-4-01

302

ST-6-002
ST-6-005
ST-6-005

30S

ST-6-05
ST-4-1

STM-16­ST-4-05

ST-6-05
STM-16-

ST-6-004
MOS.5-34

35-01

ST-4-01
ST-6-05

MWS.5-37

STM-16-

ST-4-1

ST-4-05

STM-10-

MOS.5-44
MOS.5-47

ST-6-01
ST-6-01

MW.

Tone

control

Attach

to R1A Per

Contrast
Volume

control & SW.

Vert.

Hold

Brightness
Horiz.

centering

Vert,

centering

Focus

control

Vert.

Linearity

Attach

to R7A Per

Height

control

Horiz. hold

Attach

to R9A Per

Horiz.

drive c ontrol

Attach

to

SOLAR

No.

5-31

5-325

004

004

001

05

5-215

control

control
control

control

R10A

SPRAGUE

PART

1FM-31

TM-12

68P18

TM-11
TM-15

1FM-325

TM-1
TM-15
TM-11

TM-22
TM-25
TM-25

TM-15
TM-1

MB-24

TM-15
TM-15

MB-24

TM-24

MS-34

TM-11
TM-15

MS

-37

TR-21

TM-1

TM-15
TR-15

MS-44

MS-47

TM-11
TM-11

1FM-215

INSTALLATION

n , t

control

control

control

Per1

IDENTIFICATION

resistors

All

RF

Grid

"

RF C

oil
Decoupling
Osc.

Grid

Osc.

Mixe

r

Bias

n

Decoupling
Bias

"

1st

Video

1st

Video

Decoupling

Bias

Network

2nd

Video

2nd

Video

2nd

Video

3rd

Video

3rd

Video

3rd

Video

3rd

Video

are t

20*

20%

Shunt

20J

p.cv'-.

Plate

Load

Grid

Voltage Divider

i

if

» " "

Voltage Divider

«

tl

IF

IF

IF
IF
IF
IF

IF
IF
IF

10£

?,(«,

20%

See

ii

See

1!

Grid

5%

Cathode

Grid
Cathode
Decoupling
Grid
Cathode
Plate

Decoupling

IDENTIFICATION

No.

INSTALLATION

AF

Plate

Audio

Audio
Output
Sync.
1st

Sync. Amp.
Sync, Coupling
1st

Sync. Amp.
Sync.
Vert.
Integrator

Vert.
Vert.

Vert.
Hor.
Fixed
Sync. Coupling

AFC

Filter

Hor.

AFC

Phase

n n

Hor. Osc. Grid Cap.
Differentiator
Hor.
Hor.
Hor.

Hor.

Hor.
Hor.
Damper

Damper

HV

Filter

Fixed

"
n

n

Line

"

"

RF

Bypass

NOTES

Instructions

Dual

„

,

uual

Instructions

Instructions

Instructions

CODES

unless

otherwise

if

Note

II

See

Note

CODES

AND

NOTES

Bypass
Coupling
Feedback*

Plate

Bypass

Coupling

Coupling
Sync. Coupling

Net.

it

ti

ii ii

Osc. Grid Cap.
Discharge
Coupling

Sync.

Coupling

Trimmer

Osc. Cont. Screen
Coupling

T
Plate
Plate

Byp.

Shifter

Osc. Coupling
Osc. Screen
Discharge
Sweep

Output

Output Screen

Trimmer

i'

if
n

Net.

Bypass

± 5%

Coupling

cath.
Filter
Filter t 3%

Tn.

Oxide

T

T

Byp.

Byp

Filter

<

con(:entric

ron[,entrlc

concentnc

stated.

Note

1

tf

2

tl

2

ZVk

20%

205S

Byp
E

R40
R41

R42
R43

R/M

J,'J5

R46

C

D4/7

R48
R49
R50
R51
R52
R53
R54
R55
R56
R57

R60
R61
R62
R63

R67

Rill

R112

R117
R118

R120
R122
R124

R125A

R126A

R127A

R128

ITEM

No.

LI

ITEM

No.

R58
R59

R64
R65
R66

R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78

R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89
R90

R91
R92

R93
R94

R95
R96

R97
R98

R99
R100

R101
R102
R103
R104
R105
R106
R107
R108
R109
R110

R113
R114
R115
R116

R119
R121
R123

RESISTANCE

18K2

8200ft
27002
680ft
150ft
56002
10002
3900ft
470K2
33002
6800ft
820K2

1.2

3302
3300ft

10K2

100K2

1

47K2
150K2
22KS

150K2

1002

10002
470Kft

100ft
33002
1000ft
22K2

lOKft

lOKft

lOOKft

lOOKft

2.22

22K2

10

220K2

1

470K2

10002

47Kffi

6.8

1

47002

47002

1

4.7

68002

1

4700ft

1000ft
22K2

22K2

8200ft

82002

1.5

100K2

2.2

220K2

2.2

8200ft

27002

10K2

470K2

1

470K2

470K2

560ft

102

27K2
39K2

22K2
27K2

10K2

50002

68002
280K2
680K2
68002

470K2

100ft

10K2

3.32
1

56K2
53002

B

sooa

C

5002

932
122

B

C

67502
230ft

B

13602

1002

TOTAL
DIRECT

CURRENT

.310A

Meg.

Meg.

Meg.

Meg.

Meg

Meg.

Meg.

Meg.

Meg.

Meg.
Meg.
Meg.

Meg.

Meg.

RATING

.

Used
Used
Not

used

Rll

thru

the RCA

RESISTANCE

37.52

WATTS

•F
?

TL

¥

£

¥

T

T
1

j

4
J

1
?
j

T

T
1

j_

4

X

1

f

x
J,

1

1

4
4

4
4

•^
2

!

\•

4

4

1

X
X

4
4
l
i
i

^

4
i

5

4

i

4

4

2
2

4

i

4

20
2
2
4

4

4

10
20
3

In

models

in

models

tuner

RATINGS

i
i

i

I

i

i

s

10

1

In
R21

T45£

T45]

T45I
T45C

T45]
T45]

T45]
T45'

T45'
T45(
T45]
T45!

T45t

T45:­T45;-

T45£
T45c
T45C

T45]

T45<

T45(

T45I

T45]

T45E

T45'

T45t

T45(

T45(

T45i

T45.'
T45(

T45<
T45<
T47C
T45i

T45!

T45f

T45:
T451
T45(

T45£
T45£

T45!

T45t
T45£
T45i

T45£

T45t
T45£

T45<

T45;

T45f

T45]

T45£
T45f
T45f

T45(

T45C
T453
T45C
T45E

T45{

T45£
T45C­T45f
T47C

T45£

T45£
T454
T45£

T45£

T45C
T45C
T45C
T454
T452

T47C

T47C

T47C
T456

all

ar<

HC

o-

P/

IN

10

1

DESCRIPTIONS

SPRAGUE

SOLAR

No.

PART

No.

5-31

5-325

001

.5-47

5-215

004

004

05

PART

1FM-31

TM-12

68P18

TM-11
TM-15

1FM-325

TM-1
TM-15
TM-11

TM-22
TM-25
TM-25

TM-15
TM-1

MB-24

TM-15
TM-15

MB-24

TM-24

MS
TM-11
TM-15
MS
TR-21

TM-1
TM-15
TR-15

MS-44
MS-47

TM-11

Tl-ll
1FM-215

00

50

5-01

02

05
05

5-01

5

J15

1

LO

Q

MO.

ST-4-02
ST-4-.2
ST-6-01
ST-4-05

MO.
ST-6-1
ST-6-05

ST-4-01
ST-6-002
ST-6-005

ST-6-005
ST-6-05

ST-4-1

STM-16­ST-4-05

ST-6-05
STM-16-

ST-6-004

MOS.5-34

ST-4-01

ST-6-05
MWS.5-37

STM-16­ST-4-1

ST-4-05
STM-10-

MOS.5-44

MOS

ST-6-01
ST-6-01

MW.

INSTALLATION

Tone

control

Attach

to

R1A
Contrast
Volume
Ver!;.
Brightness
Horiz.

Vert,

Focus

Ver;.

Attach

Height
Horlz.
Attach
Horlz.
Attach

1C
l3

Per

control

control & SW.

Hold

control
control

centering
centering
control

Linearity

to R7A Per

control

hold

to R9A Per

drive

to

control

control

R10A

control

control

Per

IDENTIFICATION

esistors

are ± 10%

id

20°S

11

Shunt

20%

Gr

i d

20*

Plate

Load

Grid

Voltape

pll

Voltage

ideo
ideo
Ideo
DlliE

20%

"

20*

Divider

"

" " " "

ig

" "

IF

IF

IF

See

See

Divider

See

Grid

5%

Decoupling

Cathode

Network
[deo

IF

Grid

'.deo

:deo
.deo
.deo
.deo
.deo

IF

5%

IF

Cat'noce
Decoupling

IF

Grid

5/S

IF

Cathode

IF

Plate

IF

5%

Decoupling

IDENTIFICATION

AND

INSTALLATION

Plate

Bypiss
Coupling
Feedback*

Output

Plate
Sync. Coupling
1st

Sync. Amp.

Sync.

Coupling

1st

Sync. Amp.
Sync. Coupling
Vert.

Sync. Coupling

Integrator

Hor.
Sync.

Hor.

Net.

n n

Osc. Grid Cap.
Discharge
Coupling

Sync. Coupling

Trimmer
Coupling

Filter

Osc. Cont. Screen
Coupling

Phase

Shifter

Hor.

Osc.
Differentiator Net.
Hor.
Hor.
Hor.

Hor.
Hor.
Damper

Damper

Grid

Osc. Coupling

Osc. Screen

Discharge
Sweep

Coupling

Output

Cath.

Output

Screen

Filter
Filter ± 5%

Filter

Tn.

Trimmer

"

n

ii

Filter

Bypass

-34

-37

No.

AF
Audio
Audio

Vert.
Vert.
Vert.

Fixed

AFC

AFC

Hor.

HV
Fixed

Line
RF'

NOTES

Instructions

,, , .,„,,,,,.,,<-,,<,,

Dudl

n
Dual

control

(-on"'»t-ric

,

„„,,„„„.,,,•,.

cohcen"rlc

Instructions

Instruct i ens

Instructions

CODES

unless

otherwise

Note

1

"

Note

2

20*

Note

2 20*

20*

20*

CODES

NOTES

Bypass

Plate

|

Plate

Cap.

Bypass

± 5%

Oxide

T

T

stated.

20*

20%

T

Byp.

Byp.

Byp

By
De

P

R45

c

R47

R125A

R126A

R127A

R128

ITEM

No.

LI

ITEM

No.

R40
R41

R42
R43
R44

R46
R48

R49
RSO
R51
R53
R53
R54
R55
R56
R57
R58
R59
R6C
R61
R62
R63

R64

R65

R66

R67

R68
R6£
R7C
R71
R72
R73
R74
R75
R76
R77
R78
R7£
R8C
R81
R8£
R83
R84
R85
R86
R87
R88
R3£
R90
R91
R92
R93

R94

R95
R96

R9"
R98
R99
R100
R101
R1C
R1C
R1C
R1C
R106
R1C
R1C
R1C
R1I

Rill

R112

RI:

KU

R115
R116
R117
R118
R119

R12
R12

R122

R12

R124

2

3

';

5
7

8
9

0

•2

4

0
1

3

B

C
o

C

B

Note
Note
Note
I>cte

.310A

CURRENT

RESISTANCE

18K2

82002
27002
6802

1502

56002
10002
3900B
470K2
SSOOSi
6800B
820K2

1.2

Meg.

3302
33002

10K2

100K2

1

Meg.

47K2
150KB
22K2
150K2

1002

10002
470K2

1002

3300B
10002
22K2

10K2

10KB

100K2
100K2

2.22

22K2

10

Meg.

220KB

1

Meg.

470K2
10002
47KB

6.8

Meg.

1

Meg.

4700S;

4700SJ

1

Meg.

4.7

Meg.

68002

1

Meg.

4700SJ
10002
22K2
22K2
82002
8200S!

1.5

Meg.

100KB

2.2

Meg.

220K2

2.2

Meg.

82002
27002

10K2

470K2

1

Meg.

470K2
470K2
5602

102

27K2
39K2

22K2
27K2

10K2

50002
68002
220KB
680KB
68002
470KB

1002

10KB

3.32
1

Meg.

56K2

5300S2
5002
5002

932
12$

67502

2302

13602

1002

1.

Used

2.

Used

3. Not

4.

Rll

TOTAL

n c

DIRECT

RFSISTANCF

37.5Si

RATING

WATTS

i

I

i

±

1

-J,
i

^_

1
J

.1

^

1
1

J,

i

1

i
i

10

A
I

1
1
i

i
i

£

•£

"2

i

£

1

£

2

•J

i
i

1
1
1
1

i
1

5

i
|
1

2
2

1

^

i

20

Z

2
4

tr

4

10
20
3

in

models employing

In

models

used

in all

thru

R21 are

the

RCA

tuner

RATINGS

INDUCTANCE

""I3IANI.I:

1.35

REPLACEMENT

HOFFMAN

PART
T4528
T4525
T4515

T4511

T4507
T4522
T4512
T4518
T4542
T4516
T4524
T4544
T4547
T4509
T4S17
T4559
T4537
T4546
T4535
T4538
T4529
T4S38
T4505
T4512
T4542
T4505
T4516
T4512
T4560
T4558
T4559

T4562
T4562
T4500
T4529
T4552
T4563
T4546
T4542
T4705
T4535
T4551
T4565
T451S
T4519
T4565
T4550
T4524
T456S
T4556
T45S4
T4529
T4529
T4525
T4525
T4548

T4562
T4549
T4539
T4549
T4557

T4515
T4526
T4561
T4S65
T4561
T4561
T4510
T4502
T4531
T4561
T4529
T4532
T4558
T4704
T4524
T4563
T4543
T4524
T4561
T4506
T4566
T4501
T4545
T4536

T4701

T4702

T4700

T4568

employing

models.

used

only.

I0

CURRENT

1000

No.

Henry

In

"S

DATA

IRC

PART

No.

BTS-18K
BTS-8200

BTS-2700
BTS-680
BW-i-lSO
BTS-5600-5%
BTS-1000
BTS-3900-5%
BTS-470K-5%
BTS-3300
BTS-6800
BTS-820K-5*

BTS-1.

SMe,'
BTA-330
BTA-3300
BTS-10K
BTS-100K

BTS-1

Meg.

BTS-47K
BTS-150K
BTS-22K
BTS-150K

BTS-1000
BTS-470K

BTS-3300
BTS-1000
BTS-22K
BTA-10K
BTS-10K

BTS-100K
BTS-100K
BW-1-2.2
BTS-22K
BTS-10

Meg

BTS-220K

BTS-1 Meg.

BTS-470K

AB-1000

BTS-47K

BTS-6.8He['-

BTS-1 Meg.

BTA-4700

BTA-4700

BTS-1 Meg.

BTS-4.7

Meg.

BTS-6800

BTS-1

Meg.

BTS-4700
BTS-1000
BTS-22K
BTS-22K
BTS-8200
BTS-8200

BTS-1.

bMeg-55.

BTS-100K
BTS-2.2

Met
BTS-220K
BTS-2.2

Meg.

BTS-8200-5%

BTS-2700
BTA-10K
BTS-470K

BTS-1 Meg.

BTS-470K
BTS-470K
BTS-560

BTA-27K
BTA-39K-5%
BTS-22K
BTS-27K
BTA-10K
AB-5000
BTS-6800
BTS-220K
BTS-680K-55
BTS-6800-5%
BTS-470K

BTA-10K
BW-i-3.3-5%

BTS-56K
AB-500

AB-SOO
BW-1-12

AB-100
standard

RCA

tuner.

the

standard

FILTER

HOFFMAN

PART

No.

T5100

IDENTIFICATION

Bias

Voltage

Bias
Bias

4th

Video

4th

Video

4th

Video

Video

Video

Video

Video

Video
Bias

-5?
V.'deo
Video
Phase Correction
Picture
DC

Restorer

Bias
Voltage

Accellerating

1st

Sound

1st

Sound

2nd

sound

2nd

Sound

2nd

Sound

2nd

Sound

3rd

Sound

3rd

Sound

3rd

Sound

Disc.

Filament Dropping

De-emphasis

AF

Grid

AF

Plate
Output Grid
Bias
Filter

"

5%

55

iBias

Sync. Amp.
Sync. Amp.
Sync. Amp.
Sync.
Bias
Sync.
2nd

Sync.

2nd

Sync. Amp.

2nd

Sync.
Differentiator
Integrator

Vert.
Voltage

Vert.
Vert.
Vert'.

Vert.
Vert.
Horiz.
r — lz.

ii

n

Grid
Horlz.
Horiz.
Horlz.

Horlz.
Horlz.

Horlz.
Horlz.

Differentiator

Horiz. Dlsch.

;

Horiz. Dlsch.

Horiz. Peaking

Horiz. Output Grid
Horiz. Output Cathode
Horiz.
HV

Filament

HV

Filter
Decoupling
Damper

ii

n

Voltage Divider

Divider

Net.
Voltage

Divider

IF

Cathode

IF

Plate

Plate
Det.
Ar.ip.
Amp.
Amp.
Output

Network

Output Cathode
Output

Tube

Network

Divider

IF

IF

IF

IF

IF

IF
IF
IF
IF

Load

5%

Decoupling

Load

5$

Grid

Plate
Plate

Decoupling

Grid

5%

5%

Plate

Grid

20*

Load

20%

Anode

Cathode

Decoupling
Grid
Cathode
Screen Decoupling
Plate

Decoupling

Grid
Decoupling
Bleeder

Network

Network

Grid
Plate
Decoupling

Sep.

Grid

Network

Sep.

Plate

Amp.

Grid
Plate

Amp.

Decoupling

20%

Network

n

ii

Osc.

Divider

ii

(i

Osc.
Output

Peaking

Output Cathode
Output

AFC
Disc.

ii

Current

AFC

AFC
AFC
AFC

Osc.

Osc. Screen

-Osc.

Output Screen Decoupling

20%

Grid

5%

Plate

Grid

556

Plate

Decoupling

Filter

Load

ii
ii

Llmlter

Cathode

Bleeder

Screen

5%

Plate

20%

Grid

Decoupling

Plate

Grid
Plate

5%

See

note

Filter

11

ii

n

n

CODES

20*

20%

Dropping

20%

5*

3 5%

Voltage Divider

n

tuner.

coil

.1

tuner

only.

Items R22.

R23 are

coil

CHOKE

REPLACEMENT
STANCOR

PART

C-2326

CHCAGO

No.

PART

DATA

No.

MERIT

PART

INSTALLATION

No.

NOTES

20*

20%

used with

00

O

tn

•O
O

PAGE

19

ITEM

No.

L2

L3

L4
L5
L6

L7
L8

L9
L10

Lll

LIZ

L13
L14
Lib

LI

L17
LIB
L19
L20
L21
L22
L23
L24

L25
L26
L27

L23

6

PARTS

USE

Ant.

& RF

Grid

Colls

RF

Plate,

Mixer

Grid

&

Osc.

Colls

F

11.

Choke

Fll.

Choke

1st

Video

IF

IF

Grid

Coke

Fll

.Choke

2nd

Video

IF

Fll.

Choke

3rd

Video

IF

Fil.

Choke

4th

Video

IF

4th

Video
Cath.
Fll.

Choke

Video

Det.

Fil.

Choke
Peaking
Peaking
Peaking
Peaking
Peaking
Peaking
1st

Sound

IF

2nd

Sound

IF

Sound Disc.
XFMR.
Width

con-

trol

coll
Horlz.
Linearity

control

PRI.

oa

OS

oa
oa

oa
oa

oa

.22

oa

.2S

oa

.52

.is

.52

ioa
sa

5.52
52

5.52
52

.12

.12

.12
.22

352

LIST

DC

RES.

oa

oa

02

02

.12
.12
.12

SEC.

AND

REPLACEMENT

HOFFMAN

PART

No.

T5101

T5201

T5101

T5203

T5101

T5204

T5202

T5101

T5204

T5101

T5E07
T5208
T5205
T5206
T5205
T5206

T-5209

T5209

T5210

T5212

T5211

DESCRIPTIONS

COILS

(RF-IF)

DATA

MEISSNER

PART

No.

Part

of

tuner Assy.

pairs,

with

clip.

Part

of

tuner

pairs,

with

Part

of

tuner

11

ii

fi

ii

ti

n

n n ii

180

Microhenry
Inductance-250
120

Microhenry
Inductance-93
120

Microhenry c oil , wound
Inductance-93 Microhenies

(Continued)

NOTES

RF-3,

are

channel

number

Assy.

channel number stamp

it

tr n

»

RF-3,

Assy.

RF-3

it

ti

coil,

wound

Microhenries

coil,

wound

Microhenries

In

stamped

are

in

on

39K2

on

22K2

on

22K2

matched

on

matched

on

clip.

res.
res.

res.

ITEM

No.

FIELD

RES.

SP1

SP2

ITEM

TI

ITEM

T2

T3
T4

T5
T6A

T7

T8

ITEM

MIA
M2

K3
M4

No.

No.

ITEM

PM

CONE

D1A.

11

1/2"

PRI.

117VAC

@

2.6A

DC

RESISTANCE

PRI.

402 CT

1502

3402

Tap.

®

1302

5002

382

B

852

2202

IMPEDANCE

No.

PRI.

60002

Tuner Assembly RF-3

B

Tuner Assembly RF-]
Fuse
Socket
Ion

Trap

RATING

SEC.

720VCT

.310ADC

SEC.

6.6VAC

@6A

sea

|>

13002

oa

SEC.

62 Tap

5.52

RATING

SEC.

3.82

PART

V. C.

V. C.

RATING

1

4

SEC.

Tap

82

2

4502

Tap
2102

NAME

3.Jj.

1"

PRI.

HOFFMAN

IMP.

9015

DIA.

SEC.

2

SVAC

SVAC

®

@2A

SEC.

5

6.6VAC

(a)

5.0A

TRANSFORMER

HOFFMAN

PART

No.

T5213
T5214

T5102

T-5105
T5216

T5200

TRANSFORMER

RES.

SEC.

.42

HOFFMAN

DC

<s,

HOFFMAN

T5901

T9511

T6103

SPEAKER

PART

REPLACEMENT

No.

JENSEN

PART

No.

ST-102*
MOD.P12-S

DATA

12AG

TRANSFORMER (POWER)

HOFFMAN

SEC.

3

PART

6A

T5002

No.

P-8152

(SWEEP

PART

T5104

No.

A-3121

A-bllS

DY-1
FC-10

REPLACEMENT

PART

No.

STANCOR
PART

DATA

TBO-1

(AUDIO

REPLACEMENT

No.

PART

DATA

CHICAGO

PART

RO-9

MISCELLANEOUS

PART

No.

Type

3AF,

AC

Interlock

QUAM

PART

No.

REPLACEMENT

STANCOR

PART

No.

CIRCUITS)

No.

A-4000

A-3035

OUTPUT)

MERIT

No.

PART

A-2935

1/4

Amp.

MERIT

PART

No.

*

NOTES

Replace

to

match

DATA

CHICAGO

PART

TP-3S5

No.

NOTES

output

6-82

voice

No.

Hor.

Sync.

Vert.

Block

Hor.

Output

Vert.

Output

Hor.

Deflection

Vert.

Deflection

Focus

coil

INSTALLATION

transformer

coll.

MERIT

PART

No.

P-3063

Disc.

Trans

Osc

.Trans.

Trans.

Trans.

Yoke

Yoke

NOTES

PAGE

20

HORIZONTAL OSC.

HORIZONTAL

hold control fully counter-clockwise. Remove
mentarily
wise

picture

Remove

fully counter-clockwise
position.

not
the
must
SLIGHT RETOUCH

treme
zontal oscillator

sound

chronize
less than
treme position
tion.
sis) until
and

COMPLETE

vertical hold control

Adjust

OSCILLATOR

While

receiving a television signal

by

and

then return

should pull back into synchronization.

Now

turn

the

the

picture momentarily

The

If

receiver
necessary
picture

is

be

aliened.

If

the

receiver

of the

Tune in a TV

quality. Adjust vertical

the

normal.

Momentarily

the

pull-in

as

ALIGNMENT

Tune

a TV

the

contrast control

ALIGNMENT

turning

the

it to its

horizontal hold control fully

picture should pull back into
synchronizes properly under these checks

to

align

not

normal

ALIGNMENT

failed

hold control,

by

making

station

picture.

station

Adjust

Turn

in

which

remove
oscillator pulls
outlined

for the

to

CHECK:

contrast control

normal

by

turning

and

then return

the

horizontal

or

stable,

in the

above check

it

way

be

slight

adjustments.

and

adjust

fine

hold

the

contrast control

the

horizontal hold control

the

oscillator falls

the

signal. Adjust

into

above.

best sound quality. Adjust

vertically synchronized

to

slightly

turn

fully

operating position.

the

to its

oscillator.

the

horizontal oscillator

possible

tuning

control

synchronization.

less than normal.

the

horizontal

the

picture

counter-clock-

clockwise.

contrast

synchronization.

at

to

to

out of

B2

control

normal

operating

it Is

However,

either

ex-

align

the

for

best

vertically syn-

to

slightly
to the ex­ synchroniza-

(rear

of

Check hold

the

picture.

mo-

The

If

hori-

chas-

ALIGNMENT

Adjust

Bl

until

the

blanking

bar,

which

picture,

moves

to the

right

and

off

the

ccur

In the

raster,

turn

Bl in a

clockwise
unstable condition
screw

In

its

the

bushing.
Turn

horizontal hold control fully counter-clockwise

adjust

B2

clockwise until picture fails
slowly turn
synchronizes.

Is

close

to the

Turn

the
right side
the

raster,
Momentarily remove

the

picture should fall

turn

B2

counter-clockwise until picture
zation.

Turn

the
Picture

should fall back
removal

of the

If

picture fails

of

the

signal

there

may be

will

pull

in

should

be

satisfactory
Excessive
which

Also

cause a bend

pull-in

may

result

the

vertical synchronizing

is

removed.

correct

position

B£

counter-clockwise

Readjust

left side

horizontal hold control fully clockwise.

of the

picture should

but

should

not

the

horizontal hold control

signal.

to

at

both extremes

Insufficient pull-in

through

3/4 of the

as

makes

In

their being triggered

In the

upper part

The

length

is

usually about

to the

Bl so

that

the

left

of the

raster

be

close

fold over.

signal.

into

synchronization.

into

synchronize after momentary removal

excessive pull-in

the

control circuits more sensitive

If

When

fully

synchronization

of the

horizontal

range.

hold control range, operation

and

equalizing

of the

picture.

may

appear

In the

raster.

If

ripples
direction
of

to

synchronize.

point where

side

but

does

to the

It

signal

falls

counter-clockwise.

However,

Is

by

until

this

adjustment

1/2

inch

the

of the

not

fold over.
The

right side

does, readjust

is

restored,

If It

does

Into

synchroni-

after momentary

hold

control,

if

objectionable.

noise pulses.

pulses

may

o-

the

beyond

and

Now
picture
picture

of

Bl.

not,

picture

HEIGHT

AND

VERTICAL

Adjust

the

cally

(6 3/8

arity

top to

height.

The two

will

require readjustment

terring

to

center picture vertically.

WIDTH

AND

HORIZONTAL LINEARITY ADJUSTMENTS

Turn

the

possible

without crowding

vides

maximum voltage tube second anode. Adjust

LINEARITY

HEIGHT control until
inches.) Adjust
bottom. Readjust

controls

horizontal drive control

ADJUSTMENTS

VERmTCAL

the

are

interacting

of the

other. Adjust vertical

the

rl^ht

1.

2.

3.

4.

5.

6.

picture

HEIGHT

side

Remove four push-on
Remove
Disconnect speaker leads
Remove wood screws holding block
Loosen wing nuts holding picture tube
Remove four machine screws holding chassis. Remove chassis.

LINEARITY ADJUSTMENTS

fills

LINEARITY

control

and

clockwise

of

picture.

nask

verti-

for

best

for

proper

adjustment

as far as

This

line-

of one

ccn-

pro-

control until raster
Inches). Adjust
is

symmetrical left
readjust
centering

If

continued adjustments

ity

controls fail

to

move

the tap on
compartment. After
readjust

the

horizontal

control

the

drive, width

the

to

to

fills

horizontal linearity control

to

right.

drive

center picture

give

proper linearity,

R125

which

this

tap is

and

width

DISASSEMBLY INSTRUCTIONS

and

three

set

five

screws

holding

back cover. Remove

at

solderless connectors.

screw type control

at

rear

of

chassis.

at

front

back

of

knobs.

cover.

tube.

the

mask

horizontally

{ It may be

control). Adjust

of the

Is

located

moved,

linearity controls.

necessary

ho'rizontally.

drive , width

in the

it

will

until

the

and

it may be

high

be

necessary

(0 1/2

picture

to

sllghtlv

horizontal

linear­ necessary

voltage

to

PAGE

23

HORIZ.

VERT.

CENT.

CENT

:

HORIZ.

DRIVE

HORIZ.

HOLD

FOCUS

CONTROL

I ST

SOUND

2ND

SOUND

3RD

SOUND

1ST

VIDEO

2ND

VIDEO

3RD

VIDEO

4TH

VIDEO

I ST

SYNC AMP.
SYNC SEP.
2ND

SYNC

VERT. LIN.

CABINET-REAR

IF VII
IF V
IF

VI3

IF

V4

IF

V5

IF

V6

IF V7

VI7

VI6

AMP.

1/2

12

VI9

DISCRIMINATOR

VIDEO

VERT.

OSC.

DET.

V14

1/2

8.

DISCH.

VIEW

V8

V20

A.F. AMP.

VI5

AUDIO OUTPUT

VIDEO

AMP.

VIDEO

OUTPUT

VERT.

OUTPUT

HEIGHT

CONTROL

VI6

V9

VIO

V2I

D.C.

REST.

1/2 V 8

PAGE

24

HOR. SYNC

DISC.

V22

HOR. OSC.

HOR. OSC.

HOR.

DISCH.

BLOCK

CONT.

V23

V24

1/2

VI9

DIAGRAM

HOR.
HOR.
H.V.

OUTPUT
DAMPER

RECT.

V25

V26

V27