RCA kcs94 schematic

PHOTO

FACT*

Folder

DISASSEMBLY

INSTRUCTIONS

CHASSIS

REMOVAL

1.

Remove 1 push-on type control knobs

of

cabinet. (Also remove 2 metal

guard.)

2.

Remove 5 clip

cover.

3.

Remove

magnet.

4.

Disconnect speaker

5.

Remove 2 chassis

hex

nuts

6.

Pull

remove

springs

picture tube socket,

at the top

chassis

chassis

holding

part

way out and

the

rest

from

leads.

bolts

of the

rear

ion

from

chassis

way.

screws

bottom

in

remove

from

top

holding plastic

cover. Remove

trap

and

centering

of

cabinet

cabinet.

HV

lead,

panel

rear

and 2

then

RCA

VICTOR MODELS

U,

17-S-6O22,

17-S-6O27, U (Ch.

17-PT-6962,

U,

17-S-6O25,

KCS94,

U,

A)

TUNER

OSCILLATOR

Touch-up

adjustments

circuit

may be

selector

and

tine
PICTURE
To

edge
down
when

PICTURE
For

chassis.
SERVICE
See

SPECIAL ADJUSTMENTS

AGC
If

control until picture shows
stable

TUBE

clean safety

of the

front

and out

bottom

removing safety

TUBE

picture tube removal

(See disassembly

ADJUSTMENT

tube

placement chart

Control Adjustment (Used

receiver overloads

sync.

ADJUSTMENTS
of the VHF

accomplished

tuning

knobs.

SAFETY

glass

remove clamp under

metal trim

of

cabinet).

glass.

REMOVAL

on a

SERVICING

tuner

by

removing

GLASS

CLEANING

and let

safety

Use

extreme caution

it is

necessary

instructions).
LOCATION
on

page

11.

in

VHF-UHF Models only)

strong

signal,

no

sign

of

overloading

oscillator

the

channel

the

bottom

glass

to

remove

adjust

IN THE

slide

the AGC

or un-

FIELD

The

normal setting

position.
HORIZONTAL
The

horizontal hold control (L54)

panel

of the

control.

If

ing

the

horizontal hold,

range

position,

the

horizontal waveform slug

SOUND

IF

To

eliminate sound

detector secondary (A49) located
FUSES
One

fuse

is

(For location
CENTERING
Centering

magnetic

rings

flush

against

around

the

centered.

of the AGC

OSCILLATOR FIELD

chassis

and is

horizontal sync cannot

and

DETECTOR

used

for

see

tube placement

is

accomplished mechanically

around

the

deflection

neck

of the

used

set it at

synchronize

IF

BUZZ

detector

(Bl).

ADJUSTMENT

horizontal sweep circuit protection,

the

neck

yoke.

tube until

control

is at its

ADJUSTMENT

is

located

as a

horizontal hold

be

brought
approximately
the

picture

buzz,

adjust

on top of

chassis.

chart).

by

of the

picture tube, located

Rotate

the two

the

picture

mid-range

on the

control

in by

its

mid-

by

adjusting

the

ratio

adjusting

rings

is

properly

adjust-

two

O

o-

o O

Ji

K>

"The

listing

of any
case a recommendation,
as

to the

parts

have

Inc.,

by the

"Reproduction

G196

available

quality

and

suitability

been

compiled from information

manufacturers

or

use, without

HOWARD

replacement

warranty

of

such

of the

particular

express

or

guaranty

replacement

permission,

W.

SAMS & CO., INC. • Indianapolis

part

herein

does

not

constitute

by

Howard

furnished
type

of

W.

part.

The

to

Howard

replacement

of

editorial

in any

Sams & Co., Inc.,

numbers

of

these

W.

Sams & Co.,

part listed."

or

pictorial

con-

tent,

in any

the

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

(1910)

DATE

5,

Indiana

manner,

is

prohibited.

No

information contained herein. Copyright

Copyright

Union.

by

Howard

patent liability

5,

Indiana,

All

rights

W.

reserved

Sams & Co., Inc." Printed

5-56

U. S. of

America.

under

is

assumed

with

1956

by

Copyright under

Inter-American

in U. S. of

SET

respect

Howard

W.

in-

Copyright

America

315

FOLDER

to

9

WON

VOLUME

CONTROL

12AX4GTA

^

MEASURED

•

MEASURED FROM

(JSEE

VALUE

ARROWS

SET TO
PEAK

1.

DC

12CU6

_ZAS

RftRT

OF

PRINTED

CIRCUIT

ra) (w

5AQ5

5U8

FROM

PIN 8 OF V2.

PIN 7 OF V4.

PARTS LIST

FOR

OR

ON

(CONTROL

PRODUCE

SIGNAL

voltage
voltmeter;
per

volt.

ALTERNATE

APPLICATION

CONTROLS INDICATE CLOCKWISE ROTATION

VIEWED FROM SHAFT

50

VOLTS

PEAK-TO-

AT

PICTURE TUBE

measurements
AC

voltage

measured

taken

D

BOARD

3AL5

END)

with

vacuum tube

a t

1,000 ohms

PRINTED

I

PC-104

PC-IOI

3.
unless

CIRCUIT

PART

CIRCUIT

Measured

values

are

otherwise

voltage

stated,

maintained

4.

Line

OF

from

PRINTED

BOARD

s

at

PC-KD5

,F,L.

STRING,

operation;

*

DENOTES CHASSIS GROUND

FART

OF

PRINTED

CIRCUIT

3CF6

3CB6

!$B?

rtJOri 5X8

-r«

^TO

IOOO

1^

MMF

MMF

no

signal

applied.

v

9VAC

RLAMEMT

CHANNEL

12

MMF

BOARD

PC-102

5AS8

J~6VAC

i

470

@

loop

-T-

T

MMF

J^

*•*

4B07A

CONNECTIONS USED

SELECTOR

£l5)

000

MMF

1000

^^

*T*

T" | MMF

IN

SWITCH

UHF-VHF

SHOWN

470

MODELS

IN

2AF4

CHANNEL 2 POSITION

1000

17AVP

PHOTOFACT

©

STANDARD

How.,d

W.

S.m.

NOTATION

* Co,

Inc. 1956

SCHEMATIC

@B

AFAMP

SUB

SYNC

A

AMP

6CG7

TAKEN

WITH

TUBE

(VIOB)

AND

HEIGHT CONTROL

CENTER

OF

PIN 7 O

SHORTED

ROTATION.

TO

(R4)

GROUND,

SET AT

5 ° !

g

[WID7H

|p

BOOST

. — .

(

«,J%1

600V 1 v

J_

.047

T

@?68K

]

00

NOT

MEASURED

3

TT

®T,™F

3/IOAMP

0101

T'

250V

RCA

VICTOR MODELS

U,

17-S-6O22,

17-S-6O27, U (Ch.

17-PT-6962,

U,

17-S-6O25,

KCS94,

A)

U,

MOIDIA

'SCO9-S-ZL

yn

siaaow

^99)(ciOO)
^97)

(C103)

(C104)(C55)
(C98)

VIEW-CAPACITOR IDENTIFICATION

BOTTOM

CHASSIS

'ZCO9-S-ZI
0

'HD)

yfr6S3>«

(V

yt969-id-/i
7n

'SZO9-S-/L

7n

RF

TUNER-RIGHT

SIDE

PAGE

4

RF

TUNER-LEFT SIDE

ALIGNMENT

INSTRUCTIONS

ESX^Sttto'l^+SSSiSZ

and

kept

Connect

negative

Connect

DUMMY

ANTENNA

1.

0015MFD

2.
»

3.
"

4.

5.

6

7

Two

130S1

8

Carbon

Resistors

Same

instructions

DUMMY

ANTENNA

1

.0015MFI
Ceramic

Capacitor

2.
3

"

4

5

6

away

from

the

chassis.

the

ends

of a

terminal

the

High
Low

High
Low

Across antenna termi­nals
lead.

lOOOfi

arm to

synchronized

SWEEP

GENERATOR

COUPLING

side

to

point

side

to

chassis.

"

"

side

to

point

side

to

tuner

with

1,31)12

as

under

SWEEP

GENERATOR

COUPLING

High

side

to

Low

side

to

"

"

High

side

to

Low

side

to

chassis.

point
sweep

in

point

chassis.

point

tuner

potentiometer

^> , Set

vo

tage

GENERATOR
FREQUENCY

Not

<££>

.

<^>

.

44MC

chassis

(10MC

each

"Video

IF

<^

.

Not

^>

.

44MC

across a 7. 5 volt

potentiometer

from

the

SWEEP

used

"
"

Swp)

VIDEO

Alignment

SWEEP
GENERATOR
FREQUENCY

used

"

(10MC

Swp)

augment.

VIDEO

IF

arm to

sweep

generator

MARKER
GENERATOR
FREQUENCY

44 . SMC

45.

SMC

43.0MC

47.25MC

42.

SMC

45.75MC

42 . SMC

45.0MC

45.75MC

41.25MC

42.

SMC

45.0MC

45.75MC

IF

ALIGNMENT

Using

Tuner

MARKER

GENERATOR

FREQUENCY

44.

SMC

45.

SMC

43.0MC

47.25MC

42 . SMC

45.75MC

42.

SMC

45.0MC

45.75MC

If

ALIGNMENT

battery

capable

obtain

-3. 5

to the

CHANNEL

Any

un­used
channel

4

4

All

VHF

channels

separately

USING

KRK32B

CHANNEL

Any

un­used
channel

-

4

4

not

rented,

USING

of

withstanding

volts

horizontal

USE

VTVM.

DC

probe

Common

Vert.

thru

detector
to pin 5
1st.

Video

tube

(V3).
to

chassis.

Vert.

<g>

chassis.

KRK29K/36A

"

USE
DC

<^> . Common

chassis.

Vert. Amp.
thru

to

pin 5 (plate)
1st.
tube
to

chassis.

Vert.
chassis.

the

TUNER

KRK32B

at

Amp.

Amp.
. Low

probe

video

<g>

considerable

point

<A> . Connect

input

of the

CONNECT

SCOPE

to

point

to

chassis.

"

of

scope

(Fig.l)

(plate)

of

IF

Amp.

Low

side

to

point

side

TUNE!

CONNECT

SCOPE

VTVM.

to

point

»

of

scope

detector (Fig.l)

of

IF

amp.

(V3) . Low

Amp.

to

. Low

side

high

voHage

oscilloscope

<§>.

to

UNIT

to

side

point

to

the

ADJUST

Al

A2
A3
A4

A5.A6,
A7

A1.A2,
A3

A1.A3

A1,A2

ADJUST

Al

A2
A3
A4

A5.A6,
A7

A1.A2,
A3

lead

should

current

dram.

positive

for

horizontal

Attenuate

not

more than

for

maximum

Increase

-3

volts

deflection.
Adjust

Clip a carbon

(grid)

to

chassis.

from

plate

video

(trimmer)
separate
marker
Fig.

1.

to

give

Adjust

45.75MC
sponse

42.

SMC
as in
resistors.
pin

5 of
Attenuate

obtain
If a separate
a

marker, couple

of

1st. video

Al, A2 and A3 if

response curve

Increase

and

notice attenuation

Aland

approximately

sponse curve
Slightly readjust

overall
channel

ator loosely

Continue

Attenuate

not

more than

maximum

Increase generator

-3

volts

deflection.
Adjust

Clip a carbon

(grid)

to

chassis.

from

plate
video
(trimmer)
separate
marker
Fig.

1.

ator

to
scope.
with

45.75MC

response

42.

SMC

as in

resistors.

pin

5 of

Attenuate

tain

3 to 5

a

separate
marker,
of

1st.

Al,

A2 and A3 if

sponse curve

be

taped

securely

Connect the

terminal

to

chassis.

deflection.

REMARKS

generator

output

-3

volts

deflection.

••
"

generator

on

bias

of

IF

couple

Attenuate

0. 5 volts peak

A6 and A7 for

as in

marker

Fig.

V3

3 to 5

A3 to set

tilt

as

on

bias

of

IF

couple
Attenuate
give 0 . 5 volts peak

Adjust

marker

Fig.

V3

video

output

VTVM.

Adjust

to

read

-3 . 5

33012

resistor

3rd.

video

IF

Connect a 180(2

to

screen

amplifier

signal

marker

sweep generator

alignment

3rd.

amp.

signal generator

as

couple

(pins

tube

to

minimum

generator

It

loosely

output

at 75% of

Fig.

2.

Adjust

at 70%

2.

Disconnect

Remove

scope

.

output

of

sweep generator
volts peak
signal generator

it

loosely

IF

amplifier

necessary

similar

41.

25MC

30

times

as

shown
Al and A2 to

while switching

In

Fig.

3.

to

first

video

REMARKS

generator

output

-3

volts

deflection.

output

VTVM.

Adjust

to

read

-3.5

330J2

resistor

video

IF

Connect a 180J2

to

screen (pins

tube

(V3).

to

minimum

it

loosely

output

A6 and A7 for
marker

In

Fig.

2.

at 70%

2.

Disconnect

Remove

scope

.

output

of

sweep generator
volts peak
signal

generator

it

loosely

IF

amp.

necessary

similar

to

on

VTVM.

to

for

volts

from

amplifier

carbon

5 and 6) of

(V3).

capacity.

is

to

detector

of

sweep

to

peak

maximum

maximum

A5 to

response

the
and

to

peak

to pin 1

tube

to

to

Fig.

output

at

41.25MC.
marker

down

in

Fig-

from

Couple

IF

with

step

to

on

VTVM.

to
for

volts

from

amp.

carbon

5 and 6) of

Preset

capacity.

is

to

detector

of

sweep

to

maximum

at 75% of

Adjust

response

the

and

to

peak

is

to pin 1

tube

(V3).

to

to

Fig.

maintain

Adjust

maintain

MINIMUM

at

point

pin 2

(V5A)

resistor

Preset

If a

used

for
generator

on

scope.

gain

place

on

180S2

and

detector

on

scope.

Is

used

(V3).

obtain

3.
ten

Adjust

at

with

re-

3.

correct

channel
marker
Amp.

13.

maintain

Adjust

maintain

MINIMUM

at

point

pin

tube

(V5A)

resistor

A5

If a

used

for

gener-

peak

on

maximum

A5 to

on

180S2

and

detector

on

scope.

used

(grid)

Retouch

obtain

3.

<£>

1st.

A5

as in

with

re-

curve

330ft

from

to

for

(grid)

Retouch

times

any

to

gener-

tube

grid.

for

<^>

2

1st.

as in

gain

place
curve

33012

from

to ob-

If

for

a

re-

.

.

SET

315

FOLDER

9

PAGE

5

DUMMY

ANTENNA

.0015MFD

Two

Carbon

Resistors

ceramic
capacitor

Carbon
Resistors

ANTENNA

ANTENNA

High

<^>.

chassis.

Across

13

00

minals

High

10000S2

terminal

Carbon

stal

Resistor

to

in

series

short

with

.0015MFD

TWO

13 on

each

300n

pad

(Fig.

5)

The

antenna matching

in

place.

If a new

alignment

facilities.

affecting

the

connect

point

the

first

video

Connect

the

arm to

obtain

except

in

antenna matching units
adjustment
Connect

the

The

sweep generator

DUMMY

Two

130r
Carbon
Resistor

3 00

ft

Pad

(Fig.

5)

An

RF

unit

This

unit

is

effect

alignment.

When

complete

1.

Turn

2.

Preset

3.

Set

channel 7 thru

4.

Disconnect

resistor.

Tuner

alignment

2

volts

minimum

one

of the

bias supplies

Connect

the

The

sweep generator

DUMMY

Direct

If

channel 8 oscillator

Switch

to
oscillator
back

to

channel

SWEEP

GENERATOR

COUPLING

side

to

point

Low

side

to

VHF

antenna

with

130S2

ead.

side

holder.

tuner

Across
terminals

lead.

Across
terminals
pad

(Fig.

RJT

<1y

IF

negative terminal

-5

for A14 and

synchronized sweep

Across

nals

with

lead.

Across
nals

thru

(Fig.

which

properly aligned

A6 so

A16 all the way

synchronized sweep

RF

input
freq.
insulated
in

hole provided
adjustment
careful
does

not
tuned
may

cause

shift.

channel

frequency

In

to

front

of

IN82

cry-

Low

side

case.

Use

leads.

antenna

(VHF)

with

1300

UHF

antenna

thru

300E2

5).

unit

has

antenna unit

The

FM

alignment. Disconnect

on the

matching

amplifier

tube (V3)

volts

at

point

A15.

output

lead should

SWEEP

GENERATOR

COUPLING

antenna

termi-

13CM2

in

antenna

termi-

300S2

pad

5).

is

operative

alignment

is

that slug

13

the

link

from

as

outlined

and 5. 5

volts

to

point

output

SWEEP

GENERATOR

COUPLING

of

heterodyne

meter

to end of

wire

insertec

for

of

A30.

that

the

wire

touch

any of the

circuits

as

this

oscillator

frequency cannot

12 and

adjust

on

each

8 and

again adjust

VIDEO

IF

SWEEP
GENERATOR
FREQUENCY

44 MC

(10MC

Swp)

ter-

each

797MC

(10

MC

Swp)

very

44 MC

in

(10MC

Swp)

See

freq.

chart

of
all UHF
channels

been properly aligned

is

trap adjustment

of

<£>

C8

would

vo

each

and

at the

necessary

is all the way

out.

slugs

terminals

below requires

max mum

<^ . Positive

lead

Be

A18

channel.

KRK32B,

installed,

the RF

the

lead

unit

through

from

its

potentiometer

on

VTVM.

in

which

C6, C7 and C8 are

be

adjustment A12.

tage

from
be

terminated

SWEEP
GENERATOR
FREQUENCY

Not

used

50 MC
(20MC

Swp)

requires

only

factory

and

make

out.

one

turn

from

of

measured

vo

tage

from

should

be

termi

SWEEP
GENERATOR
FREQUENCY

Not

used

be

reached

for

channel
Also

A16.

Note:

the use of a

ALIGNMENT

MARKER
GENERATOR
FREQUENCY

41.25MC

42 . SMC

45.0MC

45.75MC

45.75MC

42.5MC

42.5MC

45.0MC

45.75MC

46.

SMC

KRK29K/36A

at the

unit

should

(A46)

which

from

the FM

a .

001MFD

socket.

Cover

arm of

bias

Adjustments

the

sweep

generator

with

MARKER

GENERATOR

FREQUENCY

45.75MC
(4

00

".Mod)

41.25MC
(4000-Mod)

50 MC
52MC
53 MC

60MC

minor

touch

under norma

the

following

tight.

converter

plate transformer (L36)

at

point

side

to

tuner

the

sweep generator

ated

with

MARKER

GENERATOR

FREQUENCY

Set

freq.
meter
227MC

by

adjustment

12

oscillator

on

channel 8 adjust

USING

KRK29K/36A

CHANNEL

4

All VHF
channels

separately

Between
channels
68

and 69

Check
all

VHF

channels

Check
aUUHF
channels

ANTENNA

factory.

The RF

be

realigned.

is

located

on the

trap (L7)

capacitor

to pin

o the

matching

supply

to

point

A!2

variable

capacitors.

to the

its

characteristic impedance, usually

CHANNEL

Any

up

adjustments will require

use

should

pre -

adjustments.

heterodyne

to

frequency

<^>

with a VTVM.

chassis.

to the

its

characteristic

CHANNEL

8

of

frequency. Continue

A16 for

TUNER

CONNECT

SCOPE

Vert.

Amp.

<g>.

Low

chassis.

Vert.

Amp.

detector

{Fig.

junction

of

.0015MFD
remarks).
to

chassis.

Vert.

Amp.
detector
point

<$>

side

to

chassis.

Vert.

Amp.
point

<£>

side

to

chassis.

WATCHING

unit

is

Alignment

antenna

to the

channel

(grid)

of

unit

must

0*0 . Positive

thru

A15

are

adjusted

C6

horizontal input

CONNECT

SCOPE

Vert.

Amp.

point

<£>
side

to

chassis.

Vert- Amp.
detector

1)

to

point

Low

side

KRK32B

TUNER

not

require

and

meter.

Connect

Adjust

for -3. 5

horizontal

impedance,

CONNECT

SCOPE

Not

used

A16, switch

to
to

channel 8 oscillator

UNIT

to

point

side

to

thru

1) to

220S2

and
(see
Low

side

thru

(Fig.

1) to

. Low

to

. Low

UNIT

aligned

with a particular

should

matching unit

selector

second video

be in

place

termina

by

would

be

of the

to

. Low

thru

probe (Fig.

<£>

.

to

chassis.

ALIGNMENT

no

presetting

alignment

shunt

the

terminals

The

limits

negative

volts

bias

input

of the
usually

channel

13 and

channel

8.
frequency.

(CONT.)

ADJUST

Increase

A1.A3

and

Al

and A3 to set
approximately
curve

SLIGHTLY

A1.A2

any
channel

Set

A8,A9

n

series
(ceramic)
ar.d
to

pin 1 of
If

VHF
couple
a

second
side
point

0. 5

and

Tuner

A10,

All

marker

If

necessary,
place
with
and
4BQ7A
from

A1,A2

Couple
video
curve
SLIGHTLY
to

correct

Couple

A10.AU

video
curve
channels.
A10
Do
A9

attempted

may be

adjusted

Use a

IF

amplifier tube

during

alignment.

to

chassis.

or

compressing coil turns,

A13.

for

50

ohms.

ADJUST

A12

A13

A14.A15

of

adjustments.

of L36

of

oscillator

of

at

point

<^>

for

50

ohms.

ADJUST

A16

adjust

A17 for

proper

Switch

Disconnect both

antenna

short

Set the

Set
MINIMUM

Remove

chassis.
sponse
steps
ment
and the
and

potentiometer

Turn fine tuning
position.
frequency

oscillator

ALIGNMENT

not be

switch.

expanding
adjustment

oscilloscope

unless components

termina

oscilloscope

Adjust

REMARKS

sweep

notice

overall

tuner

chassis

volts
A9 for

not
in

<£>

with a 3
injection

to

generator

attenuation

as

shown

to VHF

to UHF
with a .0015MFD

between
4BQ7A

generator

it

loosely
bias

to

tuner

<D> . Attenuate

peak

maximum gain

in UHF

generator

45.75MC

MINIMUM

.0015MFD

tube. Remove

point

marker

IF

amplifier

similar

marker

IF

amplifier

similar

If

and All to

retouch

this

step.

matching

without

without

jumper
(V4).

C7

would

horizontal deflection,

scope

gain

the

to pin 1

Adjust

curve

13, 14 and 15

is

noted.
detector probe between point

chassis.

are

changed

horizontal deflection.

Adjust

meter.

channel

channel

at

41.25MC.

41.25MC

30

times

down with

in

Fig.

3.

readjust

Al and A2 to

tilt

while switching

channel (Fig.

position.

pin 1

with

<$>

retouch

for any

potentiometer

400^

.001MFD

9S2

trimmer

(plate)

the

capacitor

and

resistor

is

used

to

detector

supply

to

point

case.

Adjust

sweep

to

peak

on

position-

Loosely

to

detector

adjust

A10 and

marker

at

tilt.

Remove

capacitor

detector

.

generator

grid.

to

Fig.

3 on all VHF

Al and A2 if

overall

generator

grid.

to

Fig.

3 on ail UHF

necessary,

SLIGHTLY retouch

correct

for any

Al, A2, A3, A6, A7, A8 or

Remove

bias

supplies.

unit

the

proper

seriously

to

Remove

be

REMARKS

to

maximum

indication

capacitor

of

V4.

Connect a 30012,

A14 and A15 to

similar

to

until

no

Remove

the

Replace

V3 in its

to

carbon

voltage

are

arm of

REMARKS

control

A16 for

audible beat

13

oscillator

to

13 and

adjust A17, then

output

ten

times

Adjust

marker

at

response

correct

from

VHF

3).

Connect a 220fi
capacitor

of

4BQ7A

end

connected

end to

as a

marker,

(Fig-1).

Connect

<@> . Positive

for -3

volts

generator

scope.

Adjust

as in

Fig.

4.

couple

(Ftg.l).

AH

to

peak

of

curve

220J2

resistor

from

pin 1 of

and

scope

loosely

to

Check

for

response

channels.

necessary

tilt

as in

loosely

to

Check

for

response

overall

all

test

equipment.

and

adjust

on

scope.

from

obtain

Fig.

6.

Repeat

further improve-

300S2

resistor

socket.

to its

mid-range

frequency.

obtain

chassis

at

for

A8

first

step
first

tilt.

for

point

\n

re-

<£>

on

ALIGNMENT

8.

resistor

from point

SCOPE

OR

VTVM

F

F

IG.4

TO

IG.2

F

IG.

INST

—pMMF

T

FIG.

<£>

to

8

I

300

R

PAGE

6

ER

UNIT

(CONT.)

CT

E

A1,A3

to

point

e to

A1,A2

A8.A9

thru

IB-

i)

to

220ft

and

see

Low

side

.

thru

'ig.l)

to

Low

ssis.

. to

Low

ssis.

ING

UNIT

ALIGNMENT

gned

with a particular

nt

should

not be

itching

unit

selector

switch.

icond

video

t

be in

place

ive

terminal

asted

by

expanding

would

be

adjustment

ut

of the

oscilloscope

e,

usually

50

. to

Low

ssls.

.

thru

•obe

(Fig.

re no

presetting

ignment

unless

.unt

the

terminals

The

limits

t

negative

terminal

volts

bias

at

nit

of the

oscilloscope

:e.

usually

50

ECT

PE

lannel

13 and

mimel

8.

Adjust

illator frequency.

ADJUST

Increase
and
Al
approximately
curve

SLIGHTLY
any
channel

Set
in

(ceramic) between
and
to
If
couple
a
side
point

0. 5

and

A10,

All

Tuner
marker
If
place

with

and
4BQ7A

from

A1.A2

Couple

video
curve
SLIGHTLY
to

A10,A11

Couple

video
curve
channels.
A10
Do
A9
Disconnect

antenna

attempted

may be

adjusted

Use a

IF

amplifier

during

alignment,

to

chassis.

or

compressing coil turns,

A13.

for

ohms.

Set

MINIMUM

A14,A15

Remove

chassis.
sponse curve
steps
ment
and the
and

of

adjustments.

components

of L36

of

oscillator

of

potentiometer

point

<§>

.
for

ohms.

ADJUST

Turn
position.

frequency

adjust

A17 for

proper

Switch

sweep

notice

and A3 to set 41.

overall

tuner

series

chassis

pin 1 of

VHF

second

A9 for

necessary,

correct

not
In

short jumper
tube

Set the

C7

horizontal

<T>

with a 39i2

injection

oscillator

to

generator

attenuation

30

as

shown

in

readjust

tilt

while switching

to VHF

channel (Fig.

to UHF

position. Connect a 220S2

with a .0015MFD

with

the

4BQ7A

and

generator

it

loosely

to

bias

supply

to

tuner

case.

<S> . Attenuate sweep

vous

peak

to

peak

maximum gain

in UHF

position.

generator

adjust

45.75MC

marker

MINIMUM

tilt.

.0015MFD

capacitor

tube.

Remove

point

<£>

.

marker

generator

IF

amplifier

similar

to

retouch

for any

marker

generator

IF

amplifier

similar

to

If

necessary,

and All to

correct

retouch

Al, A2, A3, A6,

this

step.

Remove

both

bias

matching

without

the

proper

without

seriously

to

(V4). Remove

potentiometer

would

be

deflection,

scope gain

to

400",

indication

the

.001MFD

to pin 1 of V4.

Adjust

A14 and A15 to

similar

13, 14 and 15

is

noted.

Remove

detector

are

changed

fine

tuning

Adjust

meter.

channel

channel

probe between

Replace

carbon

voltage

arm of

deflection.

control

A16 for

13

oscillator

trimmer

13 and

chassis.

horizontal

REMARKS

output

at

41.25MC.

25MC

marker

times

down

Fig.

3.

Al and A2 to

capacitor

pin 1

(plate)

capacitor

resistor

Is

used

as a

detector

to

point

Adjust

for

on

scope.
as in

Loosely couple

to

detector

AID

and All to

at

peak

Remove

from

detector

loosely

grid.

Check

Fig.

3 on all VHF

Aland

A2 if

overall

loosely

grid.

Check

Fig.

3 on

SLIGHTLY retouch

for any

all

supplies.

unit

maximum

on

capacitor
Connect a 300S3,

to

Fig.

until

no
the

V3 in its

to

are

REMARKS

to Its

audible beat

frequency,

to

obtain

adjust

ten

times

Adjust

at

with

response

correct

from

VHF

3).

of

4BQ7A

end

connected

end to

chassis

marker,

(Fig.l).

Connect

<fj> . Positive

-3

volts

generator

Adjust

Fig.

4.

(Fig.l).

of

curve

220ii

resistor

pin 1 of

and

scope

to

first

for

response

channels.

necessary

tilt

as in

step

to

first

for

response

all

UHF

overall

AT,

A8 or

test

equipment.

and

adjust

scope.

from point

obtain

6.

Repeat

further

improve-

300Q

resistor

point

<£>

socket.

mid-range

on

A17,

then

ALIGNMENT

at

for

A8

8.

tilt.

for

\t carbon

re-

SCOPE

VTVM

F

F

IG.4

52

f\

TO

OR

IG.2

1—t-

FIG.6

F

INSTRUCTIONS

—"—

IOO

—pMMF

FIG.

I

300

53 60

resistor

from

point

IG.

8

IN

34

PAD

OF

^.BALANCED

INPUT

<^>

to

.005

47.

MFD

F

IG.3

FIG.

5

F

IG.7

FIG.9

(cont)

DUMMY

ANTENNA

Two

18

Carbon

Resistors

19

Two

20

Carbon

Resistors

21.

Connect
channels 8 thru
II

i2

Two

23

Carbon
Resistors

24

TwolSOf

25

Carbon

Resistors

_D

26

27

28.

|

Same

DUMMY

ANTENNA

29.

Direct

30

Note:

31.

frequency.
trimmer
13

130S;

Across

nals
lead.

Connect
meter

130S

Across
nals
lead.

the DC

either

is

replaced,

Connect
meter

Across

130!:

nals
lead.

Connect
meter

Across
nals
lead.

Connect

meter

instructions

High
Low

RF
frequency
of
serted

for

Be
does
the
this
lator

If

channel 8 oscillator

Switch

to

obtain

and

adjust A17,

SWEEP

GENERATOR

COUPLING

antenna

with

130S2

frequency

as in

antenna

with

130ft

probe

13

if

voltage
repeat

frequency

as in

antenna

with

130ft

frequency

as in

antenna

with

13017

frequency

as in

as

SWEEP

GENERATOR

COUPLING

side

to

side

to

input

of

meter

insulated

in

hole provided
adjustment
careful that

not

touch

tuned

circuits

may

cause

shilt.

oscillator
then

termi-

in

step

16.

termi-

in

of a

VTVM

step

termi-

in

step

termi-

in

step

under

point

chassis.

heterodyne

to end

wire

of

wire

any of

oscil-

to

channel

back

each

each

to

is not

oscillator

16.

each

16.

each

16.

"KRK32B

<g>

.

In-

A30.

as

frequency

12 and
frequency
to

channel

SWEEP
GENERATOR
FREQUENCY

183MC

(10MC Swp)

Not

used

213MC

(10MC

Swp)

point

<G> . Common

within

limits.

tracking procedure

Not

used

183

MC

(10MC

Swp)

Not

used

85MC

(10MC

Swp)

85MC

(10MC

Swp)

79MC

(10MC

Swp)

69MC

(10MC

Swp)
63 MC
(10MC

Swp)

57MC

(10MC

Swp)

213MC

(10MC

Swp)

207MC

(10MC

Swp)

201MC

(10MC

Swp)

195MC

(10MC

Swp)

189MC

(10MC

Swp)

183MC

(10MC

Swp)

H7MC

(10MC

Swp)

Not

used

Tuner

Alignment".

SWEEP
GENERATOR
FREQUENCY

Not

used

cannot

be

adjust

on

each channel.

8 and

again adjust A39.

MARKER
GENERATOR
FREQUENCY

181.25MC

185.75MC

Freq.
meter
257MC

211.25MC

215.75MC

Check

Freq.
meter
227MC

181.25MC
I85.75MC

Freq.
meter
129MC

83. 2 SMC

87.75MC

83.25MC

87.75MC

77.25MC

81.75MC

67.25MC

71.75MC

61.25MC

65.75MC

55.25MC

59.75MC

211.25MC

215.75MC

205.25MC

209.75MC

199. 2 SMC

203.75MC

193.25MC

197.75MC

187.25MC

191.75MC

181.25MC

185.75MC

175.25MC

179.75MC

Freq.

meter
257MC
251MC
245MC
239MC
233MC
227MC
221MC

129MC

123 MC
113 MC

107MC

101MC

MARKER
GENERATOR

FREQUENCY

43 . SMC

(400^Mod)

Set

freq.
meter
227MC

reached

A18 for

to

to

chassi

V2 by rep

for

to

to

to

to

by

adjust

chanm

Also,

chaj

on c

CH

CH,

8

13

8

6

5

4
J

'i

13

12

11

10

9

8

V

13
12
11
ID
9
|
7
6

5

4

3

2

2

8

TRUCTIONS

IN34

-OO5MED

•IOOK

>

IOK

F

IG.3

FIG.5

F

IG.7

F

IG.9

(cont)

3

VR.

^\.

450\5

^"

/

/

/V-0

300

BALANCED

OUTPUT

A

26

N>.

27'

/IDE\.

-5.75\

29

\

23

^

DUMMY

ANTENNA

Two 13
Carbon

Resistors

19

20

Two

Carbon

Resistors

Connect
channels 8 thru
If

either

Two
Carbon
Resistors

24

TwolSOS

2

=

Carbon

Resistors

Same

DUMMY

ANTENNA

Direct

30

Note:

31.
frequency.

trimmer
13

and

Of

Across antenna
nals

with

lead.

Connect
meter

130!

Across
nals

with

lead.

the DC

probe

13 if

is

replaced,

Connect
meter

Across

130f,

nals

with

lead.

Connect
meter

Across antenna
nals

with

lead.

Connect

meter

instructions

High

side

Low

side

RF

input
frequency
of

insulated wire
serted
for

adjustment

Be

careful

does

not

the

tuned

this

may

lator

shilt.

If

channel 8 oscillator

Switch

to

obtain

adjust

AIT,

SWEEP

GENERATOR

COUPLING

termi-

130S2

in

frequency

as in

step

antenna

termi-

I30ft

in

of a

VTVM
voltage
repeat

frequency

as

in

step

antenna termi-

I30H

in

frequency

as in

step

130S2

in

frequency

as in

step

as

under

SWEEP

GENERATOR

COUPLING

to

point

to

chassis.

of

heterodyne

meter

in

hole

provided

of

that

wire

touch

any of

circuits

cause

oscil-

to

channel

oscillator

then

back

each

16.

each

to

is not

oscillator

16.

each

16.

termi-

each

16.

"KRK32B

<^>

.

to end
In-

A30.

as

frequency

frequency

to

channel

SWEEP
GENERATOR
FREQUENCY

183MC
(10MC

Swp)

Not

used

213MC

(10MC

Swp)

point

<G> . Common

within

limits.

tracking

Not

used

183

MC

(10MC

Swp)

Not

used

85MC
(10MC

Swp)

85MC
(10MC

Swp)

79MC

(10MC

Swp)

69MC

(10MC

Swp)

63MC

(10MC

Swp)
57MC
(10MC

Swp)

213 MC
(10MC

Swp)
20TMC
(10MC

Swp)
201MC
(10MC

Swp)
195MC
(10MC

Swp)
189MC
(10MC

Swp)
183 MC
(10MC

Swp)
1TTMC
(10MC

Swp)

Not

used

Tuner

Alignment".

SWEEP

GENERATOR

FREQUENCY

^ot

used

cannot

12

and

adjust

on

each channel. Also,

8 and

again adjust A39.

GENERATOR
FREQUENCY

181.25MC

185.T5MC

Freq.
meter
257MC

211.25MC

215.75MC

Check

procedure

83.25MC

87.75MC

77.25MC

81.75MC

67.25MC

71.75MC

61.25MC

65.75MC

55.25MC

59.75MC

211.25MC

215.75MC

205.25MC

209.75MC

203.75MC

193.25MC

197.75MC

Freq.

meter

257MC

251MC

245MC

239MC

233MC

227MC

221MC

129MC

123MC

113MC

107MC

101MC

GENERATOR

FREQUENCY

43.

(4001Mod)

Set
meter
227MC

be

reached

KRK32B

MARKER

to

to

V2 by

Freq.
meter

to

227MC

181.25MC

185.75MC

Freq.
meter

to

129MC

83.25MC

87.75MC

199.25MC

187.25MC

191.75MC
18I.25MC

185.75MC
1T5.25MC

179.75MC

to

MARKER

SMC

freq.

to

by

A18 for

TUNER

CHANNEL

a

13

chassis.

replacing

for

channels 8 thru

8

6

5
4
3
2

13

12

11

10

9

8

7

13

12
11
10
9
8
7
6
5
4
3
2

KHK29K/36A

CHANNEL

2

8

adjustment

channel

on

channel 8 adjust

ALIGNMENT

Check

5U8

VHF

of

12

oscillator

CONNECT

SCOPE

Vert. Amp.

point

<§>

side

to

chassis.

Not

used

Vert, Amp.
point

<§>

to

chassis.

oscillator

tube.

If

13.

Not

used

Vert.

Amp.

point

<Q>

side

to

chassis.

Not

used

Vert. Amp.
point

<§>

side

to

chassis

Not

used

TUNER

CONNECT

SCOPE

Vert. Amp.

<B>

• Low

chassis.

Not

used

A39, switch

frequency.
A39 for

(CONT.)

ADJUST

to

. Low

. Low

injection voltage-

voltage

. Low

. Low

A29,
A30,
A31

A17

A32,

to

A33

side

is

still

A16

A29,

to

A30,
A31

A24

A34,

to

A35,

.

A36

A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28

ALIGNMENT

ADJUST

A37

to

point

side

to

A38,A39
A16

to

channel

13 and

Continue

channel 8 oscillator

Set

scope
indication
A31

for

A29

affects

A30

affects

Turn
position.

A17

an

and

readjust
beat.

Adjust

4.

Check

oscillator

off,

replace

oscillator

Check
If

necessary,

frequency.

If

necessary
obtain
quired
switch

lator
necessary
until proper

Set

fine

position.

frequency

Adjust
Check
A34

affects

midway
freq.
A34

has

Check
Check
channel
80%

on any one
and A36 to
proper

Check
Check

channel
80%

on any one

and

A31 to

proper

Adjust

for

audible beat
oscillator
at

point
within
volts maximum.

Short
scope
MINIMUM
necessary

field

to

specific

A37

is not
that channel's sensitivity.
from

tuner

Preset
Turn

Adjust
Adjust

meter.
until

beat

turn

one

turn

fine

position.

adjust

AIT

to

channel

frequency.

REMARKS

to

maximum

on

scope.

response

curve
bandpass.
the

overall

fine

tuning

control

Adjust

A17 for

additional turn

A16 to

for

proper

response

tracking

coupling

for

audible

beat

adjust

retouch

response

as in

adjustment, turn

back

to

channel

Injection

voltage

repeat

steps

response

tuning control

Adjust

A24 for

meter.

for

response

oscillator

injection

maximum

between

markers.

bandpass.

A36

been properly

for

response

oscillator

injection

at

point

^> . 11

channel,

obtain

response

limits.

for

response

oscillator

injection

at

point

<§> . 11

channel, retouch

obtain

response

limits.

individual channel

on

each channel.

Injection

voltage

<G>

to

verify

limits, 2 volts

REMARKS

out

tuner

AGC at

for

maximum

40(K

indication

A37 may be

provide additional

frequency.

A38

fine

bias
A39 for

Adjust

for

8.

Exercise

tuned

into channel 2 reducing

AGC

at

point

to

read

-3

tuning control

to

read

audible beat

AI6

note

just

begins

full

turn

in

tuning control

channel

13

Adjust

proper

Switch

gain

for

usable

Adjust

A20,

similar

to

A31

affects

response

to

Its

mid-range

audible

In

the

same

again

obtain

as

shown

on

capacitor

on

frequency meter

A16 for

proper

A29,

A30 and A31 to

Fig.

4. If A31 re-

off

generator

13 and

check

as in

step

20, 21 and 22

is

obtained.

to its

mid-range

audible

curve

similar

as

In

amplitude

A35

affects

tilt

adjusted)

similar

to

Fig.

voltages

markers

retouch A34,

curves

similar

to

Fig.

voltages

markers

curves within

oscillator

on

each

that

the

voltages

MINIMUM

point

<^> . Adjust

gain.

Adjust

on

scope.

adjusted

in the

rejection

care

Remove

<D>

.

volts

at

point

fully

clockwise.

-4

volts

at

point

on

frequency

clockwise

to

change, then

same direction.

to

its

mid-range

oscillator

oscillator

back

to

channel

A30 and

Fig.

4.

the

tilt.

bandwidth.

beat.

Turn

direction

an

audible

in

(C23)

.

and

oscil-

21. il

beat

on

to

Fig.

step

24.

of

curve

affects

(providing
.

7.
for

each

fall

below

A35

within

7.

for

each

fall below

A29,

A30

slug

Recheck

channel

are

and 5. 5

A37 for

If

of a

so

that

short

<§>

<§>

Re-

Fig.

7.

.

.

PAGE

7

32

33.

34.

35

36

37

38

39

40

41

42

43

DUMMY

ANTENNA

TwolSOn
Carbon
Resistors

Connect

the DC

Two

130!!
Carbon
Resistors

Two

1301

Carbon

Resistors

TwolSOn

Carbon

Resistors

If

A38

required adjustment,

proper

oscillator

Two

130!i
Carbon
Resistors

SWEEP

GENERATOR

COUPLING

Across

antenna

130S!

probe

frequency

step

VHF

with

frequency

step

30.

VHF
with

Frequency

as in

with

frequency

with

130!!

as in

termi-

in

of a

VTVM

30.

antenna ter-

300£!

antenna ter-

13012

step

130S2

in

termi-

in

step

each

meter

in

meter

in

30.

each

switch

as in

each

30.

nals

with

lead.

Connect
as

In

Across
minals
lead.

Connect
as in

Across
minals
lead.

Connect
meter

Across antenna termi­nals
lead.

Across antenna
nals
lead.

Connect frequency
meter

each

each

ALIGNMENT

SWEEP
GENERATOR
FREQUENCY

183MC

(10MC

Swp)

to

point

<G> . Common

Not

used

213MC

(10MC

Swp)

Not

used

183MC

(10MC

Swp)

Not

used

85MC
(10MC

Swp)

receiver

and

step

30.

85MC

(10MC

Swp)

79MC

(10MC

Swp)
69MC
(10MC

Swp)
63

MC

(10MC

Swp)
57MC

(10MC

Swp)
213MC

(10MC

Swp)
207MC

(10MC

Swp)
201MC

(10MC

Swp)
195MC

(10MC

Swp)
189MC

(10MC

Swp)

183MC
(10MC

Swp)
177MC
(10MC

Swp)

Not

used

KRK29K/36A

MARKER
GENERATOR
FREQUENCY

181.25MC

185.75MC

to

Freq.
meter
257MC

211.25MC

215.75MC

Freq.
meter
227MC

181.25MC

185.75MC

Freq.
meter

to

129MC

83 . 25MC

87.75MC

generator

83.25MC

87.75MC

77.25MC

81.75MC

67.25MC

71. 7 SMC

61.25MC

65.75MC

55.25MC

59.75MC

211.25MC

215.75MC

205.25MC

209.75MC

199.25MC

203.75MC

193.25MC

197. 7 SMC

187.25MC

191.75MC

181. 2 SMC

185.75MC

175.25MC

179.75MC
Freq.

meter
257MC
251MC
245MC
239MC
233MC
227MC
221MC
129MC
123MC
113

MC
107MC
101MC

INSTRUCTIONS

VHF

TUNER

ALIGNMENT

CHANNEL

chassis.

to

to

to

channel

to

8

13

13

8

6

6
5
4
3
2

13
12
11
10
9

Adjust

8
7

13
12
11
10
9
8
7
6
5
4
3
2

8.

Readjust

Vert.
point
side

A38 for

Not

Vert.
chassis.

Not

Vert. Amp.

<g>

chassis.

Not

Vert. Amp.
to

chassis.

Vert. Amp.
point

side

Not

CONNECT

SCOPE

Amp.

to

<§>

. Low

to

chassis.

negative 3 volts

used

Amp.

<§>

. Low

side

used

. Low

side

used

to

<@> . Low

A31 for

to

<§>

. Low

to

chassis.

used

(CONT.)

to

point

to

to

point

to

point

side

response

(cont)

ADJUST

A29,
A30,
A31,
A40

at

poin

A17

A32,
A33

A16

A29,
A30,
A31,
A40

A24

A34.A35,
A36

similar

A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28

REMARKS

Set A6

fully counter

gain

to

maximum
output
produce
for

response

for

maximum

A29

affects

A40

is

response bandwidth.

<g> • Repeat steps

Rotate
clockwise . Adjust
audible beat
overshoot
turn

in the

A16

to

Adjust
Fig.

4.
oscillator
as in

step
turn sweep generator back
channel
A32

and A33 for

Check
If

necessary

tor

frequency.

If

necessary

A40

to

If

A31
generator
check

oscillator

step

33. If

and

37

Set

fine tuning
position.
frequency

Adjust

for

Check

oscillator

step

33.

to

Fig.

4.

Check

for

Check

oscillator
channel
80%

on any one

A36

to

obtain

limits

.

Check

for
Check

oscillator
each channel
below

80% on any one
A30

and A31 to

within

proper

Adjust
for

audible beat
oscillator
at

point

within

limits 2 volts

volts

maximum.

and

for

minimum

usable

pattern

similar

amplitude

bandpass.

properly

adjusted) . A30

fine

again
for

for

obtain response
required

individual

31 and

tuning

control

A17 for

on

ireq.

the

adjustment

same direction, then adjust

obtain

an

proper response

Turn

off

generator

voltage

at

33 . If A38

13

response.

desired

audible beat

adjust

A16 for

retouch A29, A30,

adjustment,

and

switch

injection voltage

necessary,

until proper

Readjust

at

<§>

response

control

Adjust

A24 for

meter.

response curve

injection

A38 if

Recheck

A16 and A39 for

response

similar

injection

point

<Q>

. If

channel, retouch

response

response curve

InjecUon

at

point
obtain

limits

.

channel

on

each channel.

injection

voltage

to

verify

clockwise . Set

attenuate generator

input

on

to

Fig.

between

A31

32.

meter.

audible

point

required

If

necessary,

response.

on

similar

to

channel

repeat

to its

audible beat

necessary.

voltage

markers fall

curves within proper

voltages

<u>

. If

cnannel

response

that

MINIMUM

signal

scope.

4.

Adjust

affects

maximum

maximum

SLIGHTLY

an

additional

beat.

as

shown

and

check

<§>

using

readjustment

on and

frequency

proper

A31 and

to

turn

13 and

steps

is

obtained.

mid-range

similar

voltage

to

Fig.

A3 5 and

similar

markers
retouch

curves

oscillator

on

each channel

the

voltages

and

scope

that will

Adjust

markers.

tilt

affects

VTVM

recheck

retouch

meter.

oscilla-

Fig.

off

as in

35, 36

on

to

as in

7.

for

to

Fig.

for

slug

Recheck

5.5

A40

(when

the

in

4.

Fig.

each
below

fall

A29,

are

7.

7.

PAGE

8

Turn

the

To

make

may be

aligned

It

will

be
Reference
between
Connect

DUMMY

ANTENNA

44.

300IJ

pad

(Fig.

5)

45.

Repeat

steps

46

the

response curve.

of

the RF

tuning

in the
touching

47.

Connect

the DC

between

.03 and .35

or an

oscillator

to

chassis.

cases

replacement

bands

is

Tune

in a

Ground

pin 2

DUMMY

ANTENNA

48.

.01MFD

49

50.

Ground

pin 2

DUMMY

ANTENNA

51.

.01MFD

Channel t requency

2

54-60

3

bO-66

4

66-72

5

76-82

7

174-180

8

180-186

9

186-192

0

192-198

1

198-204

2

204-210

3

210-216

4

470-476

5

476-482

6

482-488

7

488-494

8

494-500

9

500-506

1

512-518

2

518-524

change

over

the RF

adjustments

without

necessary

marks

the

stop

pin

the

synchronized

GENERATOR

Across

UHF

terminals

pad

(Fig.

44 and 45

plates

is

lower

the

plates

probe

tube

VTVM

required

as

local

TV

(grid)

GENERATOR

High

side

of

video

Low

side

(grid)

GENERATOR

High

side

of

video

Low

side

Video

55.25

61.25

67.25

77.25

175.25
181-25

187.25

193-25

199.25

205.25

211.25

471.25

477.25

483.25

489-25

495.25

501.25

513.25

515.25

switch

to UHF
for UHF

removing

to

fabricate a test

at 0°, 5° and

on'

the

tuner

sweep

SWEEP

COUPLING

antenna

thru

300S2

5).

until response curves

They

may

necessary

frequency

with

should read

of the

station

of 3rd

SIGNAL

COUPLING

to pin 7

output

to

ride

to

to

the

knifing

of a

VTVM

volts should

operating outside

.5

oscillator

outlined

above

in

which

video

(grid)

tube

(V6A)

chassis.

"

of 3rd

video

SIGNAL

COUPLING

to pin 7

(grid)

output

tube

chassis.

Sound

59.75

65.75

71.75

81.75

179.75

185.75

191.75

197.75

203.75

209.75

215.75

475.75

481.75

487.75

493.75

499.75

505.75

517.75

523.75

(V6A

to

ALIGNMENT

position.

tuner,

UHF

164°

and the

voltage

correct

avoid

to

be

IF

the UHF

tuner.
dial

to fit

should

GENERATOR
FREQUENCY

down

tool while observing

point
obtained. Voltages outside these limits

and

tube
.

interference

amplifier

GENERATOR

FREQUENCY

.

(Unmod)

over

be

scribed

stop plate

from

the

SWEEP

887.

5MC

(20MC

Swp)

473 . 5MC

(20MC

Swp)

as in

the

curve

tracking.

affecting

the

ffl> .

Common

its

allowable

2.5

volts. Readings outside

should

follow.

is

tube

SIGNAL

4.

SMC

"

IF

amplifier

tube

SIGNAL
GENERATOR
FREQUENCY

4.5MC
(Unmod)

TELEVISION

Channel

frequency

23

524-530

24

530-536

25

536-542

26

542-548

28

554-560

29

560-566

30

566-572

32

578-584

33

584-590

34

590-596

35

596-602

36

602-608

37

608-614

38

614-620

39

620-626

40

626-632

42

618-644

43

644-650

KRK29K/36A

tuner

unit

the

split gear

on the

test

on the

gear assembly

sweep generator

MARKER
GENERATOR
FREQUENCY

887.

SMC

41.25MC

43.

SMC

45.75MC

473.

SMC

41.25MC

43.

SMC

45.75MC

Fig.

8 and

necessary

the

to

limits.

If the

to

CHANNEL

Fig.

response.

chassis.

Connect

oscillator

Adjust

chassis.

DC
Common

as far as 70%

It is

tracking above

noticed.

(V5A)

Any

unused
channel

"

(V5A)

to

chassis

CHANNEL

Any

unused
chassis.

Video

525.25

531.25

537.25

543.25

555.25

561.25

567.25

579.25

585.25

591.25

597.25

603.25

609.25

615.25

621.25

627.25

639.25

645.25

DC
detector
pin 11

picture tube.
to

INSTRUCTIONS

TUNER

UNIT

UHF

ALIGNMENT

will

have

to be

removed

from

on the

tuner

shaft

for

dial.

Locate

with

to the

horizontal

CHANNEL

83

(Rotate

dial

to

164°)

14

(Rotate
dial

to

5°)

9 are

obtained.

without

seriously

to

remove

the

point

Set

VTVM

the DC

of

these limits will

tube

FM

TRAP

A46 for

SOUND

IF

CONNECT

VTVM

probe

to

point

to

chassis.

4 . SMC

TRAP

when

properly

CONNECT

VTVM

probe thru

(Fig.l)

(cathode)

chassis.

CHANNEL

Sound

529.75

535.75

541.75

547.75

559.75

565.75

571.75

583.75

598.75

595.75

601.75

607.75

613.75

619.75

625.75

631.75

643.75

649.75

the

Vert.
point
side

shield

of

knifing . A

are an

probe

is

replaced, recalibration

ADJUSTMENT

minimum

ALIGNMENT

ALIGNMENT

to

of

Common

accurate alignment.

"0"

degree

reference

capacitor plates

input

of the

CONNECT

SCOPE

Amp.

to

<^p

. Low

to

chassis.

With

perfect tracking

affecting

alignment.

cover

to

knife

check

to

1.5

volts

on DC

indication

of

VTVM

to

cause

crystal

interference

ADJUST

<J>

.

A49

A47,A48

A49

adjusted,

core

ADJUST

A

SO

FREQUENCIES

Channel

Frequency

44

650-656

45

656-662

46

662-668

47

668-674

49

680-686

50

686-692

51

692-698

52

698-704

53

704-710

54

710-716

55

716-722

56

722-728

57

728-734

58

734-740

59

740-746

60

746-752

61

752-758

(cont)

the

set.

point

fully

oscilloscope

ADJUST

A41,
A42,

A43

A44,
A45

RF

of

which

scale.

low

B+

voltage,

point

<£> , which

currents

in

Adjust
chassis

Adjust
at end of

Adjust
reading
setting.

will

be

Increase

for

pin 2 of
and
the
is

noted

4.

Video

651.25

657.25

663.25

669.25

681.25

687.25

693.25

699.25

705.25

711.25

717.25

723.25

729.25

735.25

741.25

747.25

753.25

IF and

oscillator adjustments

by

placing a 1/16"

meshed.

for

horizontal

Connect
thru a 1000S2
nal of

markers
MC.

Adjust

Adjust

coupled
MC . Adjust
coincides

Adjust
with

473.

MC

marker

in

Fig.
lator
range.

the

three

If

plates.

of the

picture.

MINIMUM

brightness

fine

SMC

markers will

they fall below

Always

section

to

Tune over

low or

is

tuner

outside allowable limits

high

and low

for

maximum

end.

for

maximum

coil

away

for

zero

reading. A positive

will

be

obtained

Remove

away

from

output

deflection.

V5A. Tune

control

tuning control over

in

picture, retouch

beat.

Sound

655.75

661.75

667.75

673.75

685.75

691.75

697.75

703.75

709.75

715.75

721.75

727.75

733.75

739.75

745.75

751.75

757.75

shim

deflection.

the

high

side

carbon

1N82

crystal

for

41.25MC,

for

response

A41 and A42 for

response

A43

until

with

the

A44

until

43.

SMC

marker

and

45.75MC

9.

Adjust

trimmer

adjustment

70%

level,

knife

the

plates

knife

may be

entire

UHF

high

crystal

bias

terminal.

frequency

REMARKS

deflection.

deflection.

from

chassis.

on

either

ground

from

chassis

end of

REMARKS

for

.5

volts

Remove

In

a TV

for a normal

its

Channel

REMARKS

of

VHF
resistor
holder

43.
similar

maximum

curve

centered

the

887.

SMC

5MC

marker

and

A45 to

bring

ride

on top of

knifing

while

made

range.

impedance

and in

end of the

Peak

Peak

and

side

pin 2 of

coil.

on

VTVM.

ground

station.

Set

range.

A50 for

MINIMUM

Frequency

64

770-776

65

776-782

66

782-788

67

788-794

69

800-806

70

806-812

1

812-818

3

824-830

4

830-836

5

836-842

6

842-848

7

848-854

8

854-860

9

860-866

0

866-872

1

872-878

2

878 884

3

884-8&0

generator

to

rear

termi-

and

insert

SMC

and

45.75

to

Fig.

over-

at

887 . 5

43 . SMC

marker

marker.

coincides

with

the

41.25

marker

as

shown

the

oscil-

A44

within

by

Readings
Common

such

with core

at

A48

with

core

negative

of

correct

V5A.

Adjust

from

contrast

picture . Rotate

If 4.

SMC

beat

Video

771.25

777.25

783.25

789.25

801.25

807.25

813.25

825.25

831.25

837.25

843.25

849.25

855.25

861.25

867.25

873.25

879.25

885.25

8.

Sound

775.75

781.75

787.

793.

805.

811.

817.

829.

835.

841.

847.

853.

859.

865.

871.

877.75

883.75

889.75

<=g

-.
N

O

to

C

oc

r

*-^

5
5

5
5

5

5
5

5

5
5
5
5
5

70

O

tfl
_,

7*
,

KJ

o

N

c

PAGE

9

IDENTIFICATION

VIEW-RESISTOR

BOTTOM

CHASSIS

TUBE

PLACEMENT CHART

HORIZ

HOLD

ON/OFF - VOLUME

CONTRAST

v

ERT

HOLD

BRIGHTNESS

JO

o

The

following

Refer

NOTE:
filament

TUBE

chart

to

tube placement

POWER
No

raster,

LOSS

OF

No

pic,

No

pic,

No

pic,

Has

pic,

SYNC

FAILURE

No

vert,

No

horiz.

No

vert,

SWEEP
No

raster,

No

vertical

Poor

vert,

Poor

horiz.
Narrow
Vert,

off

Horiz.

Since

this

In

any

\^S

\^X

7A8

7A2 | 4A3

FAILURE CHECK CHART

lists

chart

SUPPLY

no

sound

PICTURE

no

sound,

no

sound,

has

sound,

no

sound

sync - VIO,

sync - VIO,

or

horiz.

FAILURE

has

sound - V12,

deflection

linearity

linearity

picture - V12,

freq. - VIO,

off

freq.

receiver

tube

In

series

\^r

tubes whose failures

for

location

FAILURE

-Selenium

OR

SOUND

has

raster - V2,

has

snow - VI,

has

raster

- V7, V8, V9

Vll

V12

sync

- V6,

-VIO,

or

foldover

or

foldover - V12,

V13,

Vll

-VIO,

V12

employs

may

cause

\^/

5A4 i j 5A

Rectifiers

- V6, V16

VIO

V13,

Vll

V14,

tubes

the set to be

\^,

-VIO,
V15,

are

most likely

and

type

of

tube.

(Ml & M2)

V3, V4, V5, V6

V2,

V3

V14,

V15, V16,
Vll

V13,

V14

Ml,

M2

used

In a series-parallel

Inoperative.

!

Fuse

to

produce

(Ml)

filament network,

(See

the

indicated symptoms.

circuit

below).

an

open

o

-o

82

C K)

H

o

c

S

K)

LrftOQX.

/TTT^-L

!~(v§)~i

I

C A 4 I

i

5A4 ! i 4A3 4A5

I

!

ifV9)

(V7)

/CTN

(V8

3A4

SET

315

FOLDER

9

PAGE

11

VERTICAL & SYNC UNIT

SUB-CHASSIS

PAGE

12

SOUND

IF

SUB-CHASSIS

OF

AGO

JUNCT

(RF

R20,RI12,CII3

TD

CONTROL

LOCAL-DISTANT

A

^M
iOV

POSITION
2

CHANNEL
IN

SWITCH SHOWN

SELECTOR

CHANNEL

KCS94A

CHASSIS

WITH

USED

KRK29K

TUNER

VHP

AND

KRK36A_,

UOJLDIA

siaaow

yc969-id-ZL

TUNER
UHF

'n

UHF-VHF TUNER SCHEMATIC

'
(V

'zzo9-s-z.i
'n

SCHEMATIC

1956

Inc.
Co.,

&

NOTATION

Stm,

W

STANDARD

Hcwi.d
©

PHOTOFACT

A

VI
V2
V3
V4
V5

V6

V7

V8
V9
V10
Vll

V12

V13

V14
V15

ITEM

Cl
C2
C3A

C4
C5
C6
C7
C8
C9
CIO
Cll
C12
CIS

C14
CIS
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31

C32

C33

C34

CSS

C36

CSV

C38

C39

C40

C41

C42

C43

C44

C45

C46

C47

C48

C49

C50

C51

C52

C53

C54

CSS

C56

C57

CSS

C59

C60

cei

C62
C63
C64

C65

ITEM

No.

V16

ITEM

ITEM

C66
C67
C68
C69
C70

No.

No.

D

B
C

No.

RF

Amplifier
Mixer-Oscillator
1st. Video

IF

2nd. Video

IF

3rd.

Video

IF

Video

Detector

Video Output-

Sync

Separator

Sound

IF

Ampllfier-

AF

Amplifier

Ratio

Detector

Audio

Output

Sync

Amplifier-

Vert.

Mult.

Horlz.

AFC-Horiz.Osc.

Horiz.

Output

Damper
HV

Rectifier

RCA

Victor

PART

No.

17AVP4

RATING

CAP.

VO1T.

150

200

150

350

.100

350

.20

350
350

A

10

20

50

RATING

VO1T

CAP.

1000

1000

1000

1000
18
5
27
33
270
1000
1-4
1000
18
1000
470

10000

470
270
270
390
1-4
2
10
12
1000
1000

470

1000

82
100

39
15
1000
470
.39

200
470
1000
1000
1000
1000
220

4700

3

1000

8

10000

.47

200

.1

200

1000

500
.47

200

27

.22

600

.047

200

.22

400
3
39
56

10000
10000

1000

.47

200
1000

500

600

.0027
.0082

400

200

.01
.01

200

.0027

600

.01

400
1000

.0033

USE

Amplifier

Amplifier
Amplifier-

Vert.

-Vert.

PART

17AVP4
17AVP4A

RCA

100044

RCA

100L24
100124

77838
77084
76532
77252
54207
77252
77293
73960
77293
77838
77838
75641
76532

77865
79710
77084
77084
77293

77084
78603
79735

39044
77252
78622
79318
77293
78623
77252
77252
78623
100672
73473

101200

78623

78228
73960
73787
73784

53300
100299
100352
100346
73558
73562
76507
100350
79324
73960
73960
77252
79148
39652

79316
79014
73599

TUBES

Mult.

Output

REPLACEMENT

CBS

No.

(J)

Victor

PART

No.

Capacity

Capacitors,

Victor

PART

No.

(GENERAL

REPLACEMENT

RCA

Victor

PART

No.

3CB6

5U8

3CF6
3CB6

5AS8

6AW8

5U8

3AL5
5AQ5
6CG7
5AQ5

6CG7
12BQ6GTB/
12CU6
12AX4GTA

1X2B

CATHODE-RAY

DATA

GENERAL

ELECTRIC

PART

No.

ELECTROLYTIC

AEROVOX

PART

No.

AFHS1-37-25
K4A315
AFH4-56-60

values

given

and in

mmfd.

No.

CENTRALAB

PART

DD-102
DD-102
TCZ-18
TCZ-5
TCZ-27
TCZ-33
D6-271
MFT-1000
829-4
DD-102
TCZ-18
DD-102
DD-471
DD-103
DD-471
D6-271
D6-271
D6-391
829-4

TCZ-10
D6-120
MFT-1000
MFT-1000

DD-471

MFT-1000
D6-820
DD-101

TCN-15
DD-102
DD-471

DD-471
DD-102
DD-102
DD-102
DD-102
DD-221
DD-472
TCZ-3R3
DD-102

DD-103

DF-104
DD-102

TCZ-27

DF-503

TCZ-3R3

TCN-56
DD-103
DD-103
DD-102

D6-102
D6-272

D6-103

D6-103

D6-272

D6-103

DD-302

AEROVOX

PART

HVD-15-1000
HVD-15-1000

NPO-DI5

NPO-SI33
SI270
EF-001

BPD-001
NPO-SI20
BPD-001

BPD-00047
BPD-01

BPD-00047
SI270
SI270
S1390

NPO-S110

SI12

EF-001
EF-001

BPD-00047
EF-001
SI82
BPD-0001

N750-SI15
BPD-001
BPD-00047

BPD-00047
BPD-001
BPD-001
BPD-001
BPD-001

BPD-00022

BPD-0047

NPO-SI3

BPD-001

BPD-01
P288N-47
P288N-1
BPD-001
P288N-47

P688N-25
P288N-047
P488N-22
NPO-SI3

N750-SI56
BPD-01
BPD-01
BPD-001
P288N-47

snooo

S12700

BPD-01
BPD-01
SI2700
BPD-01

HVD-15-3300

ELECTRIC,

DATA

STANDARD

REP1ACEMENT

3CB6

5U8

3CF6
3CB6

5AS8

6AW8

5U8

3AL5
5AQ5
6CG7
5AQ5
6CG7
12BQ6GTB/
12CU6
12AX4GTA

1X2B

TUBE

SYLVANIA

PART

No.

17AVP4
17AVP4A®

CAPACITORS

REPLACEMENT

CORNELL-

DUBI1IE8

PART

No.

XA007
B033

r-C152

LBR2035

FIXED

CAPACITORS

in the

rating

for

Mica

CORNELL-

DUB1LIER

No.

PART

VD1

VD1

Z022

ZOU

Z027

TZ18
TP41

K069

TZ12

K069
K060
K082
K069

TP41
TP41

TP44

TZ09

G019

K060

G040
G042

TN03
K069
K060

K060
K069
K069
K069
K069

GO

51

K079

TZ06
K069

K082
CLJB2P47
CUB2P1

1W5D1

CUB2P47

TZ16

CUB6P25
CUB2S47
CUB4P22
TZ06

TN16

K082
K082
K069
CUB2P47

1W5D1

TP59

CUB4SI
CUB4S1
TP59
CUB4SI
CUBI6D33

SYLVANIA)

CD

Aluminized

®

Silver

screen "85"

DATA

MAL1ORY

PART

No.

FP227.6

r-FP389.1

LTC36

column

and

Ceramic

REPLACEMENT

PART

No

1R5KV-102
LR5KV-102
NPOK-180
NPOA-050
NPOL-270
NPOL-330
GP2K-271

3115-01-10
801-001
NPOK-180
801-001
831-471
811-01
831-471
GP2K-271
GP2K-271
GP2K-391
3115-01-10

NPOA-100
GP1K-120

831-471

801-820
811-101

N750K-150
801-001
831-471

831-471
801-001
801-001
801-001
801-001
811-221
811-0047
NPOA-030
801-001

811-01

GP2L-102

NPOL-270

NPOA-030

N750K-560
811-01
811-01
801-001

GP2L-102
GP2-333-272

GP3
GP3-333-103
GP2-333-272
GP3-333-103
1H5KV-332

are in

ERIE

No.

-333-103

NOTES

PYRAMID

PART

No.

TD-150-300
TM-150-450
TM-4122

mfd.

for

Capacitors.

DATA

MALLORY

PART

DC3021
DC3021

ZT-555

ZT-5433
UC-5327

CT551
DC-521

DC-521
UC-5347
DC-511
UC-5347
UC-5327
UC-5327
UC-5339
CT551

ZT-541
UC-5412

UC-5347

UC-531

DC-521
UC-5347

UC-5347
DC-521

DC-521

DC-521
DC-521
UC-5322
DC-525
ZT-553

DC-521

DC-511

PT4047
PT401
MC255

PT4047

PT6022
PT4147
PT4022

ZT-553

DC-511
DC-511
DC-521
PT4047
MC255
UC-5227

PT411

PT411

UC-5227

PT4L1
PT16233

NOTES

Paper

No.

.

SANGAMO

PART

No.

S-160
D-177

r-Q-410

,

LMTD-3520

SPRAGUE
PART

10GA-D1
10GA-D1

5TCCB-V47

5TCC-Q33
5GA-T27
503C-D1

5HK-D1
5TCC-Q2
5HK-D1
5GA-T47

5HK-S1
5GA-T47
5GA-T27
5GA-T27
5GA-T39

5TCC-Q1
5GA-Q12
503C-D1
503C-D1
5GA-T47
503C-D1
5GA-Q82
5GA-T1

5TCU-Q15

5HK-D1

5GA-T47

5GA-T47

5HK-D1

5HK-D1

5HK-D1

5HK-D1

5GA-T22

5HK-D47

5TCCB-V33

5HK-D1

5HK-S1

2TM-P47

2TM-P1

1FM-21

2TM-P47

6TM-P25

2TM-S47

4TM-P22

5TCCB-V33

5TCU-Q56

5HK-S1

5HK-S1

5HK-D1
2TM-P47
1FM-21

5GA-D27

4TM-S1
4TM-S1
5GA-D27
4TM-S1
MB-D33

!

No.

SPRAGUE

PART

No.

R2165
TVL-2635

-TVL-4632

-TVA-1604

NOTES

Note

PARTS

LIST

AN

CAPACI

RATING

ITEM

CAP.

No.

4700

C71
C72

.1

330

C73
C74

330

C75

.033

C76

.01

.0022

C77
C78

.0047

.022

C79

.047

C80

.01

C81
C82

.068

.0039

C83
C84

.015
.027

CSS

.001

C86

220

C87

82

C88
C89

68

C90

.1

C91

.022

C92

.47
330

C93

.01

C94

.0012

C95

470

C96

.1

C97

.27

C98

270

C99

.047

C100

.1

C101

.1

C102
C103

150
150

C104

150

C105
C106

56

C107

1000
1000

C108

1000

C109

470

C110

1000

cm

C112

10000

.22

C113

Note

1. Not

used

Note

2.

Used

No.

RESIST

3000S!

B

IMeg

1.

B

Shalt
200Kn

B

Shalt
5Meg

B

Shaft

2.5Meg

B

Shaft

7.

Note

1.

*

Concentrlkit

ITEM

No.

lOOKn

R6
R7

100KSJ

22KSJ

56KS!

R9

47KS2

Hll

1000

R12

47!!

100KS!

R14

lOOKSi
27001!

R15

100KSJ

R16

56001!

120B

470R

looon

560!!

looon

47KS!
47KO
680H

390!!
47!!

150K!!
150K!!

680!!
181!

47012

130!!
471!
3

9001!

68K!1

680KH

IMeg

R39

2200!!
33KH

5600!!

56KH
33000
22KH
150K!!

47K!!
12K1!

ANCE

5Meg

5Meg

This

RATING

OHMS

a

5%

5%

5%

5%

RATING

5%

5%

5%
5%

5%

ITEM

R1A

R2A

R3A

R4A
R5A

R8

RIO

.

R13

R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
H30
R31
E32
R33
R34
R35
R36
R37
R38

R40
R41
H42
H43
R44
R45
R46
R47

VOLT

400

500

500
400
400
600
600
600
400
400
400
400
200
600
1600
500
1000
1000
400
400
200
1000

600 1 73594

600
1000
600
200
1000
1000
400
400

2500
2500

200

in

some

in

chassis

wAns

control

Equivalent;

WATT

i

I

\

2

2
1

i

i

2

1

Z

1
2

I

RCA

PART

73473
77423
39640
39640
73552
73561
73595
73920
73798
73553
73561
79016
79018
79530
100303
73849
39636
76474
76475
73551
79932
100299
76476

76995

73557
73786

79022
73597
73551
73551
100453
100453

71924
77252
77252
77252
77293
77252
100910
78905

versions.

KCS94A.

RCA

PART

100292

100831

Not

100830

Not

100832

Not

100833

Not

100829

used

RCA

PART

502410
502410
502322
502356
512347
502210
502047
502410
502410
502227
502410

502256
502112
502147
502210
502156
502210
502347
502347
502168
30498
502047
502415
502415
502168
502018
502147
502113
502047
502239
502368
502468
502510
502222
502333
522256
512356
502233
502322
502415
502347
502312

in

Victor

No.

Victor

No.

Req.

Req.

Req.

Req.

Chassis

K-6

Kit,

Base

REPLACEMENT

Victor

No.

AEROVOX

PART

No.

BPD-0047
P488N-1
SI330
SI330
BPD-03
BPD-01
S12200
1464-0047
BPD-02
BPD-05

1464-0039

HVD-30-1000

SI220

HVD-15-68
P488N-1
BPD-02
P288N-47

1464-0012
HVD-15-470
P688N-1

HVD-lS-270
P1088N-047
P488N-1
P488N-1
HVD-30-150
HVD-30-150
HVD-30-150
SI56
BPD-001
BPD-001

BPD-001
BPD-00047
BPD-001
BPD-001
P288N-22

CENTRALAB

PART

No.

AB-742

AK-3
B-46
Not

Req.

AB-87

AK-4

AB-83

AK-4

KCS94A

Ele

DATA

IRC

PART

No.

BTS-100K

BTS-100K
BTS-22K
BTS-56K

BTA-iOOO

BTS-1000
BTS-47
BTS-iOOK
BTS-IOOK
BTS-2700
BTS-IOOK
BTS-5600
BTS-120
BTS-470
BTS-1000
BTS-560
BTS-1000
BTS-47K
BTS-47K
BTS-680
BTS-390
BTS-47

5%
BTS-150K
BTS-150K
BTS-680
BTS-18

5%

BTS-470

BTS-130
BTS-47

5%

BTS-3900

BTS-68K
BTS-680K
BTS-lMeg
BTS-2200
BTS-33K
BTB-5600
BTA-56K
BTS-3300
BTS-22K
BTS-150K

BTS-47K
BTS-12K

REPLACEMENT

A47-1.5Me

FS-3

A47-200K

FS-3

A47-5Meg
KSS-3

A47-2.5Me

KSS-3

only.

Note

5%

Note

5% 1

Note

5%
5%

5%

5%

CENTRAL

PARt

Nc

DD-472
DF-104
D6-331
D6-331

DF-203
D6-103

D6-222

DD-203

DF-503

DD30-10
D6-221

DD-680
DF-104
DD-203

DD-471
DF-104

DD-271

DF-104
DF-104
DD30-1;
DDSO-lf

DDSO-I:

D6-560

DD-102
DD-102
DD-102
DD-471
DD-102
DD-102

CONT

CLAROST

PART

RESIS1

NOTES

6
2

3

N

iV

1A

\

•RAMID

,RT

No.

0-300

iO-450

122

i. for

Paper

apacitors.

4TA

MALLORY
PART

No.

DC

3021

DC3021

ZT-555

ZT-5433
UC-5327

CT551
DC-521

DC-521
UC-5347
DC-511
UC-5347
UC-5327
UC-5327
UC-5339
CT551

ZT-541
UC-5412

UC-5347

UC-531

DC-521
UC-5347

UC-5347
DC-521
DC-521
DC-521
DC-521
UC-5322
DC-525
ZT-553
DC-521

DC-511
PT4047
PT401
MC255
PT4047

PT6022
PT4147
PT4022
ZT-553

DC-511
JC-511
DC-521
PT4047
MC255
UC-5227

PT411
PT411

UC-5227

PT411

PT16233

SANGAMO

PART

No.

S-160
D-177

rQ-410

,

LMTD-3520

SPRAGUE
PART

10GA-D1
10GA-D1

5TCCB-V47

5TCC-Q33
5GA-T27
503C-D1

5HK-D1
5TCC-Q2
5HK-D1
5GA-T47
5HK-S1
5GA-T47
5GA-T27
5GA-T27
5GA-T39

5TCC-Q1
5GA-Q12
503C-D1
503C-D1
5GA-T47
503C-D1
5GA-Q82
5GA-T1

5TCU-Q15
5HK-D1
5GA-T47

5GA-T47
5HK-D1
5HK-D1
5HK-D1
5HK-DI
5GA-T22
5HK-D47
5TCCB-V33

5HK-D1

5HK-S1
2TM-P47
2TM-P1
1FM-21
2TM-P47

6TM-P25
2TM-S47

4TM-P22

5TCCB-V33

5TCU-Q56
5HK-S1

5HK-S1
5HK-D1
2TM-P47
1FM-21
5GA-D27

4TM-S1

4TM-S1

5GA-D27
4TM-S1
MB-D33

No.

R2165
TVL-2635
TVL-4632
TVA-1604

'

SPRAGUE
PART

No.

NOTES

Note

PARTS

RATING

ITEM

CAP.

No.

4700

C71

.1

C72

330

C73

330

C74
C75

.033

C76

.01

.0022

C77

.0047

C78

.022

C79

.047

C80

.01

C81
C82

.068

.0039

C83
C84

.015
.027

C85

.001

C86

220

C87

82

C88
C89

68

C90

.1

C91

.022

C92

.47

330

C93

.01

C94

.0012

C95

470

C96

.1

C97

.27

C98

270

C99

.047

C100

.1

C101

.1

C102
C103

150

C104

150
150

C105
C106

56

C107

1000
1000

C108

1000

C109

470

C110

1000

cm

C112

10000

.22

CU3

Note

1. Not

Note

2.

Used

RATING

ITEM

No.

RESIST

ANCE

3000S1

R1A

IMeg

B

1.

5Meg

R2A

B

Shaft

R3A

200KB

B

Shalt
5Meg

R4A

Shaft

B

R5A

2.

SMeg

Shaft

B

7.

SMeg

Concentrlklt

RATING

ITEM

No.

OHMS

100KB | k

R6

100KB

R7
R8

22KB
56KB

R9
RIO
Rll
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
H26
R27
R28
R29
R30
H31
£32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47

47KB
1000B

47B

100KB
100KB
2700B
100KB
5600B

120B

470O
1000B

5

60!!

1000B
47KB
47KB
680B
390S!

47B

5%

150KB
150KB
680B

180 5%

470B

130B

5%

47B 5%

39000
68KB

680KB
IMeg
2200B
33KB
5600
56KB
3300B
22KB
150KB
47KB

12KB

5%

5%

5%

5%

Si

i

.

used

5%

VOLT

in

400

400
400

400

400
400

1600

1000
1000
400
400
200
1000

600
600
1000
600
200
1000
1000
400
400

2500
2500

200

chassis

RCA

73473
77423

500

39640

500

39640
73552
73561

600

73595

600

73920

600

73798
73553

400

73561
79016
79018

200

79530

600

100303
73849

500

39636
76474
76475
73551
79932
100299
76476
73594

76995

73557
73786
79022
73597
73551
73551
100453
100453

71924
77252
77252
77252
77293
77252
100910
78905

in

some

KCS94A.

RCA

WATTS

100292

100831

Not

100830

Not

100832

Not

100833

Not

100829

Equivalent;

RCA

WATT

I

?
i

2

1
2

I

Victor

PART

versions.

Victor

PART

Req.

Req.

Req.

Req.

K-6

REPLACEMENT

Victor

PART

502410
502410
502322
502356
512347
502210
502047
502410
502410
502227
502410
502256

502112

502147
502210
502156
502210
502347
502347
502168

30498

502047
502415
502415
502168
502018
502147
502113
502047
502239

502368

502468

502510

502222

502333

522256

5L2356

502233

502322
502415
502347
502312

No.

No.

No.

Kit,

Base

LIST

AND

CAPACITORS

AEROVOX

PART

No.

BPD-0047

P488N-1
SI330
SI330

BPD-03

BPD-01
SI2200
1464-0047

BPD-02
BPD-05

1464-0039

HVD-30-1000

SI220

HVD-15-68
P488N-1
BPD-02
P288N-47

1464-0012
HVD-15-470
P688N-1

HVD-15-270

P1088N-047
P488N-1
P488N-1
HVD-30-150
HVD-30-150
HVD-30-150

SI56

BPD-001

BPD-001

BPD-001
BPD-00047
BPD-001
BPD-001
P288N-22

REPLACEMENT

CENTRALAB

PART

No.

AB-742

AK-3
B-46
Not

AB-87

AK-4

AB-83

AK-4

DATA

PART

BTS-100K
BTS-100K
BTS-22K
BTS-56K

BTA-1000

BTS-1000
BTS-47
BTS-100K
BTS-100K
BTS-2700
BTS-100K
BTS-5600
BTS-120
BTS-470
BTS-1000 Note
BTS-560
BTS-1000
BTS-47K
BTS-47K
BTS-680
BTS-390
BTS-47
BTS-150K
BTS-150K
BTS-680
BTS-18
BTS-470
BTS-130
BTS-47
BTS-3900
BTS-68K
BTS-680K
BTS-lMeg
BTS-2200
BTS-33K
BTB-5600
BTA-56K
BTS-3300
BTS-22K
BTS-150K
BTS-47K
BTS-12K

Req.

Elements

IRC

No.

5%

5% ! Note

5%

5%

5%

5%

5%

5%

5%

A47-1.5Meg-S

FS-3

A47-200K-S

FS-3

A4T-5Meg-S
KSS-3

A47-2.5Meg-S

KSS-3

and

Note

DESCRIPTIONS

PART

No.

DD-472
DF-104
D6-331
D6-331
DF-203
D6-103
D6-222

DD-203
DF-503

DD30-102
D6-221

DD-680
DF-104
DD-203

DD-471

DF-104

DD-271

DF-104
DF-104
DD30-151
DD30-151
DD30-151
D6-560
DD-102
DD-102
DD-102
DD-471
DD-102
DD-102

ClAROSTAT

PART

No.

Shafts;

6
2

3

CORNELL-

DliBILIER

PART
K079

CUB4P1

5W5T33

5W5T33
CUB6S33
CUB4S1
CUB6D22
1R5D47
CUB6S22
CUB4S47

1R5D39

CUB16D1
5W5T22

VQ68
CUB4P1
CUB4S22
CUB2P47

1E5D12
VT47

VT27

CUB4P1

DATA

B17-112X,

B13-137X,

76-1 (Switch)

rENTRALAB

CONTROLS

RESISTORS

NOTES

(cont)

No.

P688N-1

CUB16S47
CUB4P1

V3T15
V3T15
V3T15

TP31

K069
K069
K069
K060
K069
K069
CUB2P22

IRC

PART

QJ-862

Qll-138

Not

Req.

Qll-129

Not

Req.

Qll-141

Not

Req.

Qll-239

Not

Req.

ITEM

No.

R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R64

H65
R66
R67
R68
R69
R70
R71
R72
R73
R74
H75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89

REPLACEMENT

ERIE

PART

811-0047

GP2K-331
GP2K-331

GP3-333-103
GP2-333-222

817-02

1R5KV-102
GP2K-221

1R5KV-680

817-02

811-122
1R5KV-471

3KV-151
3KV-151

3KV-151
GP1K-560
801-001

801-001

801-001

831-471

801-001

801-001

No.

•

UE413S

TA155L

Not
U-43
Not

TA56L

Not

TA255L

Not

P17-105

Rl-118

(Hear)

RATING

OHMS

1000B

10KB

5%

10KB

5%

39KS!
47KB
lOMeg
330KB
470KB
470B
1800B
470KB

18KB

270KB

1.

5Meg

1.

SMeg
390KB
33KB
560KB

3300B

5%

10KB

22KB

18KB

6.

SMeg

470KB
IMeg

3.

9Meg

IMeg
470KB

18KB

5%

15KB

8200B
150KB
470KB
22KB
22KB

150B

560B
560B
220KB
330KB
820KB

No.

MALLORY
PART

Req.

Req.
Req.

Req.

(Panel)

WATT

i
i

2

i

1

1

2

i

Z

1

2

2

I

3­5

I

2

2

1
1

1

5
I

^

2
2

i
I

2
1
2

\

2

i

2
1

1

Z

2
2

\B

DATA

No.

MALLORY

PART

DC-525

PT401
UC-5333
UC-5333
PT6133

PT411

PT6222
MCB465
PT6122
PT4147

MCB463

PT1621
UC-5322
MCL482
MCL468
PT401
PT4122
PT4047

MCK347
PT601

MCK327
PT16147
PT40I
PT401

UC-5456
DC-521

DC

-521

DC-521
UC-5347
DC-521
DC-521
PT4022

Contrast
Volume & Switch (Rear)
Tap at
Vertical
Attach
Brightness
Attach
Height
Attach

Vertical

Attach
Local

REPLACEMENT

RCA

Victor

PART
502210

502310
502310
502339
502347
502610
502433

502447
512447
522218

502447

502318

502427

502515

502515

502439

502333

502456
502233
512310
502322 . BTS-22K
502318
502568
502447
502510
502539
502510
502447
502318
502315
502282
502415
502447
502322
502322
512115

502422
502433

5% 1 I

502482
502410

No.

INSTALLATION

(Panel)

250KB

Hold

to

R2A.

to

R3A.

to

R4A.

Linearity

to

R5A.

Distant-See

No.

SPRAGUE
PART

5HK-D47
4TM-P1
1FM-333
1FM-333
6TM-S33
4TM-S1
6TM-D22
MS-247
6TM-S22
4TM-S47

MS-239

MB-D1

1FM-322
10GA-Q82
10GA-Q68
4TM-P1
4TM-S22
2TM-P47

MS-212
10GA-T47
6TM-P1

10GA-T27
MB-S47
4TM-P1
4TM-P1
30GA-T15
30GA-T15
30GA-T15
5GA-Q56
5HK-D1
5HK-D1
5HK-D1
5GA-T47
5HK-D1
5HK-D1
2TM-P22

PART

BTS-1000
BTS-10K
BTS-10K
BTS-39K
BTS-47K
BTS-lOMeg
BTS-330K
BTS-470K
BTA-470
BTB-1800
BTS-470K
BTS-18K
BTS-270K
BTS-1.
BTS-1.
BTS-390K
BTS-33K
BTS-560K
BTS-3300
BTA-10K

BTS-18K
BTS-6.
BTS-470K
BTS-lMeg
BTS-3.
BTS-lMeg
BTS-470K
BTS-18K
BTS-15K
BTS-8200
BTS-150K
BTS-470K
BTS-22K
BTS-22K
BTA-150

BTS-820K
BTS-100K

DATA

IRC

No.

NOTES

Tap at

Note

No.

5%
5%

SMeg
5Meg

5%

SMeg

9Meg

5%

5%

28500

1

NOTES

Note

Note
Note

NOTES

Note

Note

ITEM

RATING

No.

OHMS

82KB
39000
150KB

6.

SMeg
47KB
820KB

39KB
IMeg

47O

6800B

100(2

270KB
68KB

|WATT

5%

R90

1

R91
R92
R93
R94
R95

R96
R97
R98
R99
R100
R101
R102

RCA

PART

502382

I

502239

I
1

512415

2

502568

1

502347

2

i

502482

1

512339
502510

i

502047

i

2

522268

2

74015

i

502427

1

502368

Note L Not

Note

2.

Some

Note

3.

Some

Note

4.

Temper;

Note

5.

Used

Note

6.

Used

REPLACED

Victor

No.

used

ve

ve

in •

in

-

TR

ITEM

TI

HoHz.

Output

T2

Vert.

Output

T3A

Yoke(90°)Horlz.

Width

new

9 to 1

Width

Alum

(18.5MH)

Vert.(38MH)

Coil

(2.2-18MH)

mounting

as

auto

turns

capacitor
horizontal
mounting

to

terminals

to

terminals

ORIGINAL
TERMINAL

CONNECTIONS

B

T4

(D

DrtU

Connect

§

Use

($}

Includes

(|)

Connect

®

Enlarge

(j>

Connect

®

2

Connect

Conned

Coil

Trans.

Trans.

hole(s).

transformer.

ratio.

C105,

damping

hole.

coded

coded

'

Replacemen

Connection.

5

4

3
2

1

2

& 1

RCA Vi<

PART

100828

'100834

100586(2

79144

resistors

netwo:

#1 an

red an

HORIZ<

Halldorson

9

7

5

3

1

3

& 1

t

TR,

ITEM

IMPEDANCE

No.

PRI.

7.8KS7

T5

ITEM

No.

SIZE

4"

SPI

ITEM

No.

LI

L2

L3
L4

L5

L6
L7
L8
L9
L10
Lll
L12
L13
L14
L15
L16
L17
L18
L19
L20
LEI
L22
L23
L24
L25
L26

L27

Ant.

Trans.

Ant.

Trans.

IF

Trap
Ant.
Coll
Ant.

Coil

IF

Trap

FM
RF
Ant.
Ant.
Ant.
Ant.
Ant.
Ant.
Ant.
Ant.
Ant.
Ant.
Fll.
RF
RF
RF
RF
RF
RF
RF
Mixer
Coll

1

1
1

3.50

USE

Match.

Match.

Shunt

Shunt

Trap

Choke

Coil
Coil
Coil

Coil
Coil

Coil
Coil
Coll

Coil
Coll
Choke

Coil
Coll
Coll
Coll
Coil
Coils
Coll

Grid

SEC.

RCA

RATINGS
FIELD

PM

OB

OB

PART

100827

V. C.

.6B

.6fi
OB

OB

OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB
OB

Victor

3. 5B

DC

PRI.

No.

R<

IMP.

RES.

SEC.

.3B

.3B

>

DESCRIPTIONS

ORS

(cont)

CORNELL-

Db'BILIER

PART

No.

K079
CUB4P1
5W5T33
5W5T33
CUB6S33
CUB4S1
CUB6D22
1R5D47
CUB6S22
CUB4S47

1R5D39

CUB16D1

5W5T22
VQ68

CUB4P1
CUB4S22
CUB2P47

1H5D12
VT47

P688N-1
VT27

CUB16S47
CUB4P1
CUB4P1
V3T15
V3T15
V3T15

TP31

K069
K069
K069
K060
K069
K069
CUB2P22

REPLACEMENT

ERIE

PART

No.

811-0047

GP2K-331
GP2K-331

GP3-333-103

GP2-333-222

817-02

1R5KV-102
GP2K-221

1R5KV-680
817-02

811-122
1R5KV-471

3KV-151
3KV-151
3KV-151
GP1K-560
801-001
801-001
801-001
831-471
801-001
801-001

DATA

MALLORY

PART

DC-525

PT401
UC-5333
UC-5333

PT6133

PT4U

PT6222

MCB465

PT6122
PT4147

MCB463

PT1621

UC-5322

MCL482

MCL468

PT401

PT4122

PT4047

MCK347
PT601

MCK327
PT16147
PT401
PT401

UC-5456
DC-521

DC

DC-521
UC-5347
DC-521
DC-521
PT4022

tOLS

TA

PART

QJ-862

Qll-138

Not

Req.

Qll-129

Not

Req.

Qll-141

Not

Req.

Qll-239

Not

Req.

B17-112X,

B13-137X,

76-1

(Switch)

IRC

No.
«

P17-105
Rl-118

MALLORY
PART

TJE413S

TA155L

Not

Req.

U-43
Not

Req.

TA56L

Not

Req.

TA255L

Not

Req.

(Panel)

(Rear)

No.

DRS

RATING

ITEM

No.

R48

R49
R50
H51

R52

R53
R54

H55

R56
R57

R58

R59

R60

R61

R62

R63

R64

R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83

R84

R85

R86

R87

R88

R89

OHMS

IOOOB

10KB
10KB

39KS1
47KB
lOMeg
330KB
470KB
470B

1800

470KB

18KB

270KB

1.

SMeg

1.

SMeg
390KB
33KB
560KB

3300!!

10KB

22KB

18KB

6.

SMeg
470KB
IMeg

3.

9Meg
IMeg
470KB
IBKfi

15Kf!

820017
ISOKf!
470KB
22KB
22KB

150B

560B
560B
220KB
330KB
820KB
100KB

5%
5%

f!

5%

5%

5%

RCA

PART

WATT

502210

^

502310

i

^

502310

|

502339

i

502347
502610

'z

502433

2

502447

2

1

512447

2

522218
502447

2
i

502318

2

502427

2.
5

502515

1

502515

2

502439

2

502333

2

502456

502233

^
1

512310
502322 ; BTS-22K

i

i

502318

2

i

502568
502447

1

502510

2
I

502539

1

502510

2

I

502447

I

502318

|

502315

2

502282

2

502415

2

502447

2

1

502322

2

1

502322

1

512115

\

502422

z
\

502433
502482
502410

,

SPRAGUE

No.

PART

No.

5HK-D47
4TM-P1
1FM-333
1FM-333
6TM-S33
4TM-S1
6TM-D22
MS-247
6TM-S22
4TM-S47

MS-239

MB-D1

1FM-322
10GA-Q82
10GA-Q68
4TM-P1
4TM-S22
2TM-P47

MS-212
10GA-T47
6TM-P1

10GA-T27
MB-S47
4TM-P1
4TM-P1
30GA-T15
30GA-T15
30GA-T15
5GA-Q56
5HK-D1

-521

REPLACEMENT

5HK-D1
5HK-D1
5GA-T47
5HK-D1
5HK-D1
2TM-P22

INSTALLATION

Contrast
Volume & Switch (Rear)
Tap at
Vertical
Attach
Brightness
Attach
Height
Attach
Vertical
Attach

Local

Victor

No.

1

(Panel)

250KSJ

Hold

to

R2A.

to

R3A.

to

R4A.

Linearity

to

R5A.

Distant-See

DATA

PART

BTS-1000
BTS-10K
BTS-10K
BTS-39K
BTS-47K
BTS-lOMeg
BTS-330K
BTS-470K
BTA-470
BTB-1800
BTS-470K
BTS-18K
BTS-270K
BTS-1.
BTS-1.
BTS-390K
BTS-33K

BTS-560K
BTS-3300
BTA-10K

BTS-18K

BTS-6.
BTS-470K
BTS-IMeg
BTS-3.

BTS-IMeg

BTS-470K

BTS-18K

BTS-15K

BTS-8200

BTS-150K

BTS-470K

BTS-22K

BTS-22K

BTA-150

BTS-820K

BTS-100K

NOTES

Tap at

IRC

No.

SMeg
5Meg

8Meg

9Meg

Note

5%

5%

5%

5%

5%

NOTES

Note

Note

2850S2

1

NOTES

Note

Note
Note

RESISTORS

ITEM

RATING

No.

OHMS

R90
R91
R92
R93
R94
R95

R96
R97
R98
R99
R100
R101
R102

82KB
3900B
150KB

6.

8Meg
47KB
820KB
39KB
IMeg

47O

6soon
loon

270KS!
68KB

5%

1

REPLACEMENT

RCA

Victor

PART

WATT

i

502382

2
I

502239

1

512415

1

502568
502347

3

502482

1

512339
502510

Z

502047

2

2

522268

2

74015
502427

1

I

502368 | BTS-68K

Note L Not
Note

2.

Some

Note

3.

Some

Note

4.

Temperature Compensating.

Note

5.

Used

Note

6.

Used

No.

used

in
versions
versions

in

Chassis

in

Chassis

DATA

IRC

PART

No.

BTS-82K
BTA-150K
BTS-47K

BTS-820K

BTS-39K
BTS-IMeg

BW2-100
BTS-270K

some

versions.
use a 1000U
use a

KCS94A
KCS94

5%

22KSJ

NOTES

only.

only.

iW

iW

TRANSFORMERS

ITEM

Tl

T2
T3A

T4

G)

Drill

~)

Connect

}

Use 9 to 1

}

Includes

)

Connect

)

Enlarge

)

Connect

J

2

Connect

Connect

Hoi-iz.

Output

Vert.

Output

Yoke(90°)Horlz.

Vert.(38MH)

E

Width Coll

new

mounting

as

capacitor

horizontal

mounting

to

to

Width

Coil

Across

USE

Trans.
Trans.

(18.5MH)

(2.2-18MH)

auto

transformer.

turns

ratio.

terminals

terminals

ORIGINAL
TERMINAL

CONNECTIONS

5

4

3

2

1

2

& 1

RCA

Victor

PART

No.

100828

100834

100586®
79144

hole(s).

C105,

resistors

damping

hole.

coded

coded

R84, R85, 8 contact

network

across

#1 and #2.

red and

blue.

*

HORIZONTAL OUTPUT

Use

ReplltenTn.

9

7

5

3

1

3

Si

1

Halldorson

PART
FB419
Z1900®S)
DF607®

RF800©J

terminals

Original

Merit

9

7

5

3

1

3

Si

No.

'CD

Width

1

TRANSFORMER

ITEM

No.

T5

ITEM

No.

SPl

IMPEDANCE

PRI.

SEC.

3.5B

7.8KB

SIZE4"FIELD

RCA

RATINGS

PM

PART

100827

V. C.

Victor

No.

3. 5B

RCA

IMP.

Halldorson

PART

No.

Z1003

Victor

PART

No.

79696

REPLACEMEN

Merit

PART

No.

A-3020

SPEAKER

REPLACEMENT

QUAM

PART

COILS

ITEM

USE

No.

LI

Ant.

L2

L3
L4

L5

L6
L7
L8
L9
L10
Lll
L12
L13
L14

L15
L16
L17
L18

L19

L20

HI

L22

L23

L24
L25

L26
L27

Match.

Trans.

Ant.

Match.
Trans.
IF

Trap
Ant. Shunt
Coll
Ant.

Shunt

Coll

IF

Trap

FM

Trap

RF

Choke

Ant.

Coll
Ant. Coil
Ant.

Coil

Ant.

Coll

Ant.

Coil
Ant.

Coll

Ant.

Coll

Ant.

Coil

Ant.

Coil

Ant.

Coll

FI1. Choke

RF

Coil

RF

Coll

RF

Coll

RF

Coll

RF

Coll

RF

Colls

RF

Coll

Mixer

Grid

Coil

1

1

1

on
on

on

OB
OB

on

OB
OB

on
on
on
on
on
on

on
on

OB
OB

on
on

.6!!

.en

on
on

OB

on

on

PRI.

DC

RES.

.3B

.3B

SEC.

RCA

PART

100454
100454

77859
79728

79716
79714
73461
79727
71469
79713
71472
79712
73477
79731
79727
79717

73460
77921
79727

Victor

No.

(cont)

ITEM

No.

R103
R104
R105
R106
R107
R108

R109
R110

Rill

R112

resistor

in

resistor

this

in

this

(SWEEP

REPLACEMENT

Merit

PART
HVO-36
A-2823®

MDF-92®:

MWC-11

plugs,

#3 and #7. Use

TRANSFORMER

Coil

Replacement

No.

0>

Unless

RCA

TYPE

•

RCA

Replacement

RCA

Replacement

(AUDIO

DATA

PART

No.

A-3823

DATA

TYPE

(RF-IF)

REPLACEMEN

MEISSNER
PART

No.

RCA

223S1

No.

4A07

RATING

OHMS

WATT

4700Q

i.

SB

5%

looon
4000B

MO

450(1

Cold

9.

51!

Hot

5. 6B

470KS!

1.

SMeg

560KB

application

application

CIRCUITS)

DATA

Ram

No.

PART

No.
X094 • 3>
V307®
Y90F19/43
201R16

part

#100477.

original

if

necessary.

CONNECTION

Type

Is

9

7

5

3

1

3

Si

1

OUTPUT)

Thordarson

PART

No.

26S48

No.

DATA

MERIT

PART

No.

RCA

PART

i

—

502247

^

100305
502210

I
7

77668
100304

20

100118

100117

5

502447

z

T

502518

2

i

502456

(Mfgr.

(Mfgr.

Part

Stancor

PART
A-8255
A-8145®
DY-16A

®

WC

-8

Listed

Stancor

Replacement

Connections

5

4

4

2

1

2

Si

1

Triad

PART

No.

S-9Z

PART

REPLACEMENT

Victor

No.

Part

No.

No.

No.

*(D

®

DATA

Replacement

Connections

NOTES

MILLER

No.

DATA

IRC

PART

No.

BWs-L

8 5%
BTS-1000
PW7-4000

BTS-470K
BTS-1.

SMeg
BTS-560K

502210).

502322).

Thordarson

PART

No.

FLY-16

*

0)

26S73

Y-16®

WC-18®

9

7

5

3
1

3

& 1

NOTES

NOTES

Note

1

Note

1

Note

1

Note

1

Note

1

Note

1

Note

1

Note

2

Channel

2 -

Channel

3 -

Channel

4 -

Channel

5 -

Channel

6 -

Channel

8 -

Channel

9 -

Channel

10 ­Channel U ­Channel

12 ­Channel

2 ­Channel 3 ­Channel

4 ­Channel

5 ­Channel

6 ­Channels 7 thru
Channel

13 ­Channel

2 -

Triad

PART

No.

D-50

<J>

A-M8X®

Y-41-1®

WC-12®

Triad

9

7

5

3

1

3

Note

2

Note

2

Note

2

Note

2

Note

2

Note

2

Note

2

Note

Note

2

Note

Note

3

Note

3

Note

3

Note

3

Note

3

12

Note

Note

4

NOTES

Note

Note
Note

Si

1

2

2

-Note

3

4

5
5

50

0

'

O

V

-i

»

O

o

*

5=S

-i

(/I

c to

>

n c

3

DASSE

ITEM

No.

L28

L29

L30

L31

L32

L33

L34
L35
L36
L37

L38
L39
1-40
L41

L42
L43
L44

L45
L46

L47

L48

L49

L50

LSI
L52
L53

*

•
Note

Note
assembly
Note
Complete
Note
R15
Note

ITEM

No.

L54
L55

ITEM

No.
L56

X

Drill

ITEM

No.

Ml
M2

ITEM

No.

M3

ITEM

No.

M4

M5

M6
M7
MB
A5

B2

Mixer
Coll
Mixer
Coll

Mixer
Coil
Mixer
Coll
Mixer
Colls
Mixer
Coll
Fll.
Osc.
Conv.

47.25MC
Trap
1st.
Fll.
2nd.
Fll.
3rd. Video
4th.

Series

Ing

Shunt

ing
Fil.

4.

SMC

Series

ing

Shunt

Ing

Shunt
ing

Sound
Ratio
RF

Parallel
Parallel

1.

Part

2.

Part

part

3.

Part

assembly

4.

Part

and

R16.

5.

Complete

DC

PRI.

87n
48n

TOTAL

DIRECT

CURRENT

.

250ADC

one new

RATING

CURRENT

.250ADC
.250ADC

TYPE

3AG

PART

Tuner
Tuner
Tuner

Switch

Centering

Ion

Trap
Trimmer Cap.
Trimmer Cap.

Safety

PARTS

USE

Grid

Grid

Grid

Grid

Grid

Grid

Choke

Colls

Plate

Video

Choke

Video

Choke

Video

Peak-

Coll

Peak-

Coll

Choke

Trap

Peak-

Coil

Peak-

Coll

Peak-

Coil

IF

Det.

Choke

with

with

of

of

of

of
Complete

RES.

NAME

Glass

LIST

DC

RES.

PRI.

on
on

on
on
on
on

on
on
.2n

.in

.in
.2n
on
.9n
on

,8Q

.an

3(2

12.

sn

on

3.

in

is

n

n

n

I2n

2.4n

ion

.72n

resistor.
resistor.

#79726.

assembly

RCA

79966A
100300

RATINGS

D.

C.

4n

hole.

RCA

100035
100035

78214

Victor

PART

Victor

PART

FUSE

RCA

KRK32B

KRK29K
KRK36A
100619
100585

76141

100835

71807

101026

.2n
.9n

.952

.an

No.

No.

PART

IF

IF

IF

IF

6.8KS3

1.8K«

complete assembly - includes

complete assembly - includes

#79724.

complete assembly - includes

part

complete assembly - includes

assembly - includes

SEC.

RESISTANCE

49.

mounting

RATING

3/lOA
250V

Device

AND

RCA

Victor

PART

SEC.

.sncT

part

INDUCTANCE

10

CURRENT

1000

.89HY

RCA

Victor

PART

Victor

No.

No.

79715

71469

79729

73461
79720
79722
79734

78204
78203

100359

100360

73477

100358

100361

100362

100363

101220
101219
76640

LI

thru

stator

stator

stator

#79723.

stator

complete

TRANSFORMER

MEISSNER
PART

No.

'X,

I

100286

SELENIUM

FEDERAL

PART

No.

123

6A

1236A

No.

HOLDER

78218

MISCELLANEOUS

VHF - Chassis
VHF - Chassis
UHF - Chassis
VHF-UHF

Video
Horiz. Drive

DESCRIPTIONS

COILS

(cont)

L7

and C6

complete with

complete

complete

with

MERIT

PART

No.

FILTER

RCA

Victor

PART

No.

REPLACEMENT

INTERNATIONAL

PART

MR300
MH300

FUSES

312.

300

(SAG

(Slide

IF

Input Trimmer

REPLACEMENT

MEISSNER

PART

17-4523

19-3036

19-3300
19-3001
20-1004

19-3300

19-3500

19-3500

17-1031

19-1001

with

with

rotor

(HORIZ.

REPLACEMENT

CHOKE

RECTIFIER

No.

REPLACEMENT

LITTELFUSE

PART

FUSE

3/lOA)

NOTES

KCS94
KCS94A
KCS94A

type)

(10-160MMF)

No.

*

•

thru

rotor,

rotor,

and

MILLER

PART

Halldorson

C5037

No.

C9.

rotor,

coils.

DATA

No.

PART

No.

DATA

MALLORY
PART

6S300
6S300

DATA

HOLDER

357001

Chassis

(5-70MMF)

DATA

MERIT

PART

No.

TV-153
TV-ISO

TV-180

TV-189
TV-151

Complete assembly

L8

thru

L18

L20

thru L26,

L27

thru

L33,

OSC.)

RCA

TYPE

No.

REPLACEMENT

Merit

PART

CD

C-2996

RECEPTOR

No.

6Q4
6Q4

AGC

KCS94A

(Continued)

MILLER

PART

No.

Channel

Channel

Channel

Channel

Channels 7 thru

Channel

Note

5

Includes

6225

6219

No.

RADIO

PART

and

PART

DATA

CD

FUSE

3/10

6176

6155

4604

1469

6155*

6174

6174

1470

4604

CIO.

C19 and

C20,

Rom

No.

PART

C-2326

No.

*

part

Complete

R12.

C23,

No.

TARZIAN
PART

BUSS

PART

wound

#100454.

R14,

Thordarson

PART

Thordarson

PART

X

26C44

SARKES

No.

300
300

No.

HOLDER

4405

36

Microhenries

300

Microhenries

300

Microhenries,

510

Microhenries

510

Microhenries,

wound

Tertiary

1. 5

Microhenries

No.

No.

NOTES

3 -

Note

4 -

Note

5 -

Note

6 -

Note

13 - Note

27Kn

resistor

on

6.8Kn

on

1.8Kn

winding

NOTES

Tapped 3 62O
Horiz.
Horiz.

Waveform

Triod

PART

CD

C-17X

NOTES

4

4

4

4

12

-Note

4

resistor

resistor

-.6n

Osc.

No.

CD

4

-

PAGE

16

CHASSIS

TOP

VIEW

CHASSIS

BOTTOM

VIEW-TRANS.,

INDUCTOR

AND

ALIGNMENT IDENTIFICATION

PAGE

17

Item

V

V2

V

V

V

V

V

V8

V9

V

V 1 1

V

V13

V

V

V

1

3

4

5

6

7

10

12

14

15

16

Tube

3CB6

SUB

3CF6
3CB6
5AS8
6AW8

6U8

3AL5

5AQ5
6CG7
5AQ5
6CG7

12BQ6GTB

12CU6

12AX4GTA

1X2B

17AVP4

Pin 1

750Kn

1

6.

750Kli
90KO

t 4.

on

t

330KO

INF

4

TDK!!

t

18K!J

2.

SMeiz

t

son

NC
NC

on

RESISTANCE

Pin

2

4TO

20

iKn

lOOKn

INF

12(2

470

i

18n

un

SKH

t
»

­NC-NO
TP-TIE

ispn

JO

t

70S!

3Mee

1

CONNECTION.

POINT.

390K1!

t

17KO

sn

M

on

15n

isoKn

NC

850Kn

PIN 6
t

4KB

3Meg
47KQ

INF

4

33K!i

on

1.

170

NC

PINS
22Kn

MEASURED FROM OUTPUT

MEASURED FEOM

MEASURED FROM

- 9

MEASUREMENTS

Pin

t 1.
3

Si

i

t

7son

9

Si

9

Si

sn

lOKn

JJ.

isn

t

580n

UQ

IMeg

T

son

INF

PIN 11

t

200KO

OF M2.

V14.

5KS!

680n

2KB

5

Pin

6

Pin

t

30Kn

INF

A

t

1500

3.

ssn

t

SKO

on

j

.

t

2000

T

TP

NC

RESIST

PIN 12

6800

9K«

i.

8Kn

1.

39Kn

8Meg

AN

on
on
on

INF

on

1MCJK

oo

lOKSi

470KO

2.

2.
250KS1

2on
22n

CE

5Meg
SMec

Pin

3

Pin

4

sn

4

Si

lift

ion

ion

JO

en

4Q

70

Hn
wn
i2n

t 6.

8Kn

NC

HAVE

PIN 10

.

350KS1

PIN

7 OF V4.

PIN 3 OF

Pin

INF

470

t

s«Kn

on

on

on

loon

8

Pin

9

INF

T

4.

SKO

t 5.

6Kn

lOMcg

on

on

TOP

CAP

.

I8S2

7

aon

TOP CAP

.

37on

3RD

VIDEO OUTPUT

SYNC

SEP

HV

RECT

VIDEO

VIDEO

DET

IF

2ND

VIDEO

IF

(I2CU6>(I2BQ6GTB)

HORIZ

VI3

OUTPUT

1ST

VIDEO

IF

BOTTOM

HORIZ & VERT SWEEP
3AG-3/IOA-250V

MIXER

VIEW

RFAMP

PAGE

18

TUBE

PLACEMENT

CHART

SUB-CHASSIS

OSCILLATOR

HORIZ.