RCA 8pcs41, 9pc41 schematic

PHOTOFACT*

VERT

HORIZ

Folder

VOL

CONT.

HOLD

CONT

HOLD

CONT

POWER

SW.

BRIGHTNESS

CONT

RCA

VICTOR

9PC41A,

-B,

MODELS

-C,

648PTK,

8PCS41,

648PV,

-B, -C, 741PCS

TRADE

NAME

MODEL 8PCS41...

8PCS41-B 8PCS41-C. 9PC41A... 9PC41B.C 648PTK... 648PV

741PCS MANUFACTURER TYPE

SET

TUBES

POWER SUPPLY RATING TUNING

RANGES

Alignment Block Critical Dial Disassembly Optical Parts List Pushbutton Sweep Photographs

Instructions

Diagram

Lead

Cord

Stringing

Instructions

Barrel

and

Adjustments

Circuit

Audio

Chassis Cabinet-Rear Capacitor Capacitor Capacitor Chassis-Top Chassis-Top

Ident. Identification Identification

Dressing

CONTRAST

RCA

VICTOR

TV

CHASSIS

KCS24B-1

.KCS24C-1

.

KCS24C-1

.

.KCS24D

.

KCS24-1 KRKl-1 KCS24A-1 . KRK1A KCS24B-1 KRKlA-1

..

.

RCA Projection Forty

Forty 110-120

5.1 TV

AM SW

24

(Radio)

Adjustments Description

Adjustments

14

View

20

(Horiz.

View

(Horiz.

View

(Radio)

KRKLA-1 KRK4

KRKLA-1

KRK4

Victor Div.

Type

One (TV Nine (Combination

Volts

Amp.

<D

Channels 2 thru 540-1600KC

9.2-16.0MC

7, (Radio)

24

33

(Model

18,19 26

33

35

Sweep (Radio) (TV)

15, 22

Sweep

• 6

CONT

OPTICAL UNIT

KRS20B-1 KRS20B-1

KRS20B-1

KRS20-1

Radio

Corp.

Television

Only

AC-60

117

Volts

8PCS41)

Chassis)

25

Chassis)

Receiver

Models)

Cycle

AC

13

24

32

33

CHANNEL

SELECTOR

HORIZ.

DEFL.

KRS20A-1 KRS20B-1

KRS20A-1

of

America,

8,

INULX

9

Camden,

Photographs

Chassis-Top

thru

31

RF Resistor Ident.

Resistor Trans.,

Trans., Schematic Schematic Tube Tube

Voltage Voltage

—

li-

FINE

TUNING

HIGH VOLT.

KRS21A KRS2LA KRS21A KRS21A-

KRS21A KRS21-1 KRS21A-

KRS21A-

New

Jersey

(continued)

View

Low

Voltage

Optical

Barrel

Tuner

Resistor

Identification

Identification Inductor Inductor (Radio) (TV)

Placement

Placement Chart

and and

Resistance Measurements (TV)

(TV)

Supply

17

20

(TV)

, 5

(Horiz.

(Radio) (TV)

and

Alignment

and

Alignment

23, 34 2 Chart

(Horiz.

Resistance Measurements

(TV

RADIO

.RK121A

.

RK121A

AUDIO RS123C

RS123C RS123C RS123C

RS123C RS123A RS123B

. . RS123C

3

Sweep

Chassis) 25

16, 21

Sweep

chassis)

32

Ident.

(Radio)

Ident. (TV)

Chassis)

10

(Radio)

... 6

4,13

11

23, 34

12

AMP

00

^

in

O

-

00

FOR

SERVICE

#31 OR

"The

listing

case a recommendation,

as

to the

parts

have

Inc.,

by the

"Reproduction

RECORD

of any

quality

and

been

compiled

manufacturers

or

INFORMATION

available

suitability

use,

CHANGER

HOWARD

replacement

warranty

of

from

information

of the

without

express

ON

MANUAL

or

guaranty

such

replacement

particular

permission,

RECORD

part

furnished

type

CHANGER

CM-1

W.

SAMS & CO., INC. • Indianapolis

herein

does

Howard

part.

to

Howard

of

replacement

of

editorial

not

W.

The

by

UNIT,

constitute

in any

Sams & Co., Inc.,

numbers

of

these

W.

Sams & Co.,

part

listed."

or

pictorial

con-

SEE RCA

tent, the

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

DATE

VICTOR

In

any

(1910)

MODEL

manner,

information

Indianapolis

Copyright

by

Howard

3-50

is

prohibited.

Union.

W.

RP-176

1,

No

contained

1,

Indiana,

All

rights

Sams&

PHOTOFACT

Indiana

patent

liability

herein.

Copyright

U. S. of

reserved

Co., Inc."

under

Printed

SET #25

is

assumed

1950

America.

Inter-American

with

by

Howard

Copyright

in U. S. of

SET

FOLDER

respect

to

W.

under

In-

Copyright

America

90

FOLDER

9

THE

COOPERATION

RECEIVER

MAKES

IT

POSSIBLE

OF THE

A

PHOTOFACT

MANUFACTURER

TO

BRING

YOU

STANDARD

Howard

W.

OF

THIS SERVICE

NOTATION

Saml & Co., Inc.

THIS

1950

SCHEMATIC

PAGE

2

RCA

VICTOR MODELS 8PCS41,

9PC41A,

-B,

-C,

648PTK,

-B, -C,

648PV,

741

PCS

CT)

RCA

VICTOR MODELS

9PC41A,

-B,

-C,

648PTK,

8PCS41,

648PV,

-B, -C, 741

PCS

/VGIA

dOl

SISSVHO

Al

PAGE

4

TV

CHASSIS BOTTOM

VIEW-TRANS.,

INDUCTC

TOR AND

ALIGNMENT IDENTIFICATION

PAGE

13

C27

R20

(R22

L7

)(R17XR16

CIS

C19

C20

R15

R12

TV RF

TUNER-RIGHT

SIDE

TVRF

TUNER-LEFT

SIDE

PAGE

5

RADIO

CHASSIS-TOP

VIEW

PAGE

TRANS..

6

RADIO

CHASSIS-BOTTOM

INDUCTOR

AND

VIEW

ALIGNMENT IDENTIFICATION

When Remove Turner

DUMMY

ANTENNA

.05MFD

.

05MFD

.05MFD

Direct

Connect

DUMMY

ANTENNA

Direct

Remove

lead

to

DUMMY

ANTENNA

Direct

Connect

DUMMY

ANTENNA

Direct

complete

receiver

local

chassis

High of

6AU6

to

chassis.

High of

6BA6

to

chassis.

High tube mixer tube. to

chassis.

the

synchronized sweep voltage

High tube mixer tube. chassis.

AGC

chassis.

High tube mixer tube. to

chassis.

the

synchronized sweep voltage

High tube mixer tube. chassis.

alignment

oscillator

tube

may be

aligned

SIGNAL

GENERATOR

COUPLING

side

to pin 1

(V15).

Low

side

to pin 1

(V14).

Low

side

to

ungrounded

shield

floating

Low

SWEEP

GENERATOR

COUPLING

side

to

ungrounded

shield

floating

Low

tube

6AT6

(V12),

SIGNAL

GENERATOR

COUPLING

side

to

ungrounded

shield floating over

Low

"

SWEEP

GENERATOR

COUPLING

side

to

ungrounded

shield floating over

Low

6J6

(Grid)

side

(Grid)

side

over

side

over

side

TV

ALIGNMENT

(V3)

without

SOUND

to

turn

to

INSTRUCTIONS—

is to be

performed,

to

prevent erroneous indications.

high

voltage supply connected;

SOUND

IF

ALIGNMENT USING

SIGNAL GENERATOR FREQUENCY

21.25MC (Unmod.)

21.25MC

from

SWEEP GENERATOR FREQUENCY

21.25MC (450KC

Sweep)

contrast

SIGNAL GENERATOR FREQUENCY

21.25MC (Unmod.)

27.25MC (Unmod.)

19.75MC (Unmod.)

21.

SMC

(Unmod.)

25.

SMC

(Unmod.)

22.

SMC

(Unmod.)

25.2MC (Unmod.)

23.4MC (Unmod.)

SWEEP GENERATOR FREQUENCY

24MC (10MC

13

"

13

IF

ALIGNMENT USING

the

signal generator

GENERATOR FREQUENCY

21.25MC

VIDEO

IF

control

13

"

OVERALL

from

the

signal

GENERATOR FREQUENCY

22.

SWP)

25.75MC

READ

order

VIDEO

given

DC

Probe

Common

DC

Probe

Common

DC

Probe

Common

FM

SIGNA

to the

CHANNEL

13

DC

Probe

Common

IF

RESPONSE

to the

CHANNEL

13

CAREFUUY

this

AM

CONNECT

AM

CONNECT

to

"

is

recommended.

removes

SIGNAL GENERATOR

VTVM

to

PoinbQ>

to

chassis.

to

Point<^3>

to

chassis.

to

Point<£>

to

chassis.

horizontal

Vert. Amp.

%£>

chassis.

Vert. Amp.

<J^>

chassis.

SIGNAL GENERATOR

VTVM

to

Point<jj>

chassis.

horizontal

Vert. Amp.

<Q>

chassis.

the

CHANNEL

MARKER

ALIGNMENT USING

to

maximum. Connect negative lead

CHANNEL

generator

MARKER

SMC

INSTRUCTIONS

BEFORE

ATTEMPTING ALIGNMENT

the

high

voltage shock hazard.

AND

VTVM

ADJUST

.

GENERATOR

input

CONNECT

SCOPE

. Low

.

CHECK

input

CONNECT

SCOPE

. Low

side

to

A1.A2

Al

A3.A4

A5.A6

AND

of the

to

ADJUST

A7.A8

A9

A10

All

A12

A13

A14

A15

Detune

Adjust

reading will setting.

Adjust

OSCILLOSCOPE

oscilloscope

ADJUST

Point

A3,A4,

to

A5, A6

Point

Al, A2

to

AND

o[ 3

volt

battery

Adjust

of the

oscilloscope

ADJUST

Point to

A 1.

Adjust

for

zero

be

for

maximum deflection.

for

maximum deflection.

for

horizontal deflection.

Adjust as per Fig 1.

Adjust straightness marker {continue

VTVM

to pin 1 of

for

MINIMUM

for

maximum deflection.

"

for

horizontal deflection.

Check and If

necessary

optimum

reading. A positive

obtained

placement

REMARKS

A2 for

maximum

on

either side

REMARKS

for

maximum amplitude

for

maximum amplitude

of

diagonal

at

center

of

step

(V12).

REMARKS

deflection.

response

of

slightly

pattern

5).

Connect positive

REMARKS

shape

markers

retouch

with

6AL5

for

results.

deflection.

and

negative

of the

and

line

with

as per Fig 2.

of

response

as per Fig 3.

All

thru

correct

symmetry

21.

25MC

curve

A15 for

*

fcS £§

oo

O

•O

m

•H

JJJ

>

CO

o*.

~o

IS

si

FIG.I

FIG.2

FIG.

3

PAGE

7

Replace

local

oscillator Connect a 1000MMF Reduce

bias The The RF and Connect

DUMMY

ANTENNA

Two carbon res.

Remove

DUMMY

ANTENNA

Two carbon res.

A.

B. C. D.

E.

F.

NOTE

Wave tuned in

the

interference.

voltage

sweep generator should

mixer adjustments

the

synchronized sweep voltage

120J!

To with each

1000MMF

120S2

To

antenna

with

each lead.

Connect output Connect

oscilloscope Connect a 1000MMF capacitor Turn channel switch Remove shunt capacitor Adjust

A38

: In

some

traps

A39 and A40 are

to the

channel having

picture

and

—

capacitor supplied

SWEEP

GENERATOR

COUPLING

antenna

terminals

120SJ

resistor

lead.

"

capacitor.

SIGNAL

GENERATOR

COUPLING

terminals

120ft

resistor

of

sweep generator

(rear

of

later

models

sound, keeping

tube (V3).

to

and

tuner)

TV

ALIGNMENT

from

first

video

IF

by

battery

be

terminated with are

noramlly

in

Point E thru

from

sweep thru

from

first video

for

response

A38 is a

used

for

the

interference

the

GENERATOR FREQUENCY

177MC

(10MC

183MC

(10MC 189MC (10MC 195MC (10MC 201MC (10MC 207MC (10MC 213MC (10MC

85MC (10MC

79MC (10MC 69MC (10MC 63MC (10MC

57MC

(10MC

GENERATOR FREQUENCY

215.75MC (Unmod.)

209.75MC

203.75MC

197.

191.

185.

179. 7 SMC

87.75MC

81.75MC

71. 65'.

59.

to

cores

grid (pin

to -1

volt.

its

very stable

from

the

signal

SWEEP

SWP)

SWP) SWP) SWP) SWP) SWP)

SWP)

SWP) SWP) SWP) SWP)

SIGNAL

75MC 75MC 75MC

75MC

75MC 75MC

antenna terminals lOKfi

grid

of

first Video

low

frequency

IF

amplifier

similar

fixed

capacitor

specific types

set

fine

at

approximately

INSTRUCTIONS

RF AND

MIXER

1) to

chassis.

characteristic

MARKER

GENERATOR

FREQUENCY

177.

25MC

179.

75MC

181.

25MC

185.75MC

187.25MC

191.

75MC

193.25MC

197.75MC

199.25MC

203.75MC

205.25MC

209.75MC

211.

25MC

215.75MC

83.25MC B7.75MC

77.

25MC

81.

75MC

67.

25MC

71.

75MC

61.

25MC

65.

75MC

55.25MC

59.

75MC

OSCILLATOR ALIGNMENT

CHANNEL

13

12 11

10 9

8 7 6

5 4 3 2

MIXER

channels,

to the one

(C21).

of

tuning

output

and

should

generator

WAVE

interference

not be

to the

CHANNEL

7

8 9 10 11 12 13

6

5 4 3 2

CONNECT

DC

Probe

Common

GRID

TRAP

as in RF and m xer

IF to

chassis. and

and

select a channel with

shunt grid

obtained

In

those

TRAP ADJUSTMENT

and

control until interference

the

same

relative

ALIGNMENT

Keep

leads

of

capacitor

impedance (usually

attemped

horizontal

VTVM

to

ADJUSTMENT

of

when

receivers

their

unless

input

of the

CONNECT

SCOPE

Vert. Amp.

^j^in

lOKn. chassis.

Point<§>

chassis.

second video amplifier grid

first video

to

series

with

Low

side

"

ADJUST

A24.A25

.

A26 A27

A

28 A29 A30

A31 A32,A33 A34 A35 A36 A3?

alignment.

essentially

IF

this

step

may be

alignment will depend

is at

maximum.Adjust

position. Turn

50

ohms).

they

are

oscilloscope

Point

to

grid

was

one

as

short

as

definitely

ADJUST

A16.A17, A18.A19

A20,

A21,

A22.A23

Adjust

for reading will setting. Keep the

same

Adjust

for reading will setting.

reading will setting. Keep the

same

flat

response

to

chassis.

shunted.

used

as a

upon

the

A39

core

1/2

turn, adjust

CCONTJ

possible.

known

to be out of

for

horizontal deflection.

Adjust

for

with

markers

curve

as per Fig 4.

Check

for

are

below readjustment channel

selector

other

high band

sponse.

Adjust

for

with

markers

Check

for

are

below readjustments with

channel

check

other

response.

zero

reading. A positive

be

obtained

A24 and A25

relative

position.

zero reading. A positive

be

obtained

be

obtained

A32 and A33

relative

positions.

with

check

of

correct

type encountered.

and A40 for

adjustment.

REMARKS

flat topped

above 70%. Check for

response

as per Fig 4. If

70% on any

of

A16, A17,

on

that

channels

flat topped

above 70%.

response

as per Fig 4. If

70% on any

of

A20, A21,

selector,

low

band channels

REMARKS

on

either

slugs

on

either

on

either

slugs

markers

above 80%.

mixer

With

minimum

the

other

for

response

as per Fig 4

response

A18 and A19

optimum

as per Fig 4

A22

and A23

channel.

for

optimum

and

negative

of the

correct

and

negative

of the

correct

of the

correct

receiver

markers slight

re-

markers

Re-

\t

for

channel make

channel. Recheck

for

response

channel make slight on

that

side

at

approximately

side

side at

approximately

operation.

the interference minimum

with

zero reading. A positive

PAGE

FIG.4

8

All

critical

Alignment

To set

pointer turn tuning

Turn

the

Connect

on

the

schematic.

Volume

insulated

Connect

DUMMY

ANTENNA

21

.

01MFD

22

.01MFD

23

.01MFD

.

01MFD

24

Loop should Volume

insulated alignment

DUMMY

ANTENNA

.

01MFD

25

26

25MMF capacitor in

series

with

a

150SI

car-

bon

res.

27

28

200MMF

29

DUMMY

ANTENNA

30

Two

120SJ carbon res.

31

32

33

lead

dress

should

be

function

selector

two

matched

control should

alignment

screwdriver

an

output

meter GENERATOR

High

side

6AU6

(V47).

chassis.

High

side

6BA6

(V42).

chassis.

be

maintained

control should

screwdriver

GENERATOR

High

side

6BA6

(V42).

chassis.

High

side

antenna

terminal "4".

side

to

chassis.

High

side

to

al

"4".

Low

GENERATOR

COUPLING

Across

antenna terminals "4" and "5" series

with

Not

used

Not

used

should

performed

cap

switch

100Kn(f

be at

maximum

across

SIGNAL

COUPLING

to pin 1

(Grid)

Low

side

to pin 1

(Grid)

Low

side

in

same

be at

maximum

SIGNAL

COUPLING

to pin 1

(Grid)

Low

side

thru

dummy

antenna termin-

side

to

chassis.

SIGNAL

with

12WJin

each

lead.

"

RADIO

ALIGNMENT

be

performed before alignment.

in the

fully

closed

to

"FM"

1%)

resistors

for

adjusting.

the

speaker

of

to

of

to

relative

for

adjusting.

of

to

Low

ALIGNMENT INSTRUCTIONS

INSTRUCTIONS—

order

outlined,

and set

pointer

(maximum

in

series

position.

Output

voice

coil.

SIGNAL GENERATOR FREQUENCY

10.

7MC (30% 400

position.

SIGNAL

GENERATOR

FREQUENCY 455KC (400 1 ModJ

15.

SMC

9.

SMC

1400KC

600KC

SIGNAL GENERATOR FREQUENCY

106MC

88MC

106MC

90MC

mod.

1-

AM)

position

FM (max. CW)

to

Output

"C"

second

pos.

CCW)

"A" (third pos. CCW)

SWITCH

FM

READ

If an y

portion

of the set is

to

last

reference

FM IF

clockwise).

from

point

F to

of

signal

generator

BAND

SWITCH

POS.

chassis

of

BAND

SWITCH

POS.

band

BAND

POS.

RADIO

SETTING Tuning fully

closed

AM

ALIGNMENT

as

when

signal generator should

RADIO

SETTING Tuning fully

open

15. 5MC

9.

SMC

1400KC

600KC

RF

ALIGNMENT

fk

RADIO

SETTING

106MC

88MC

106MC

90MC

CAREFULLY

mark

ALIGNMENT

chassis.

should

DIAL

gang

receiver

DIAL

.

gang

DIAL

BEFORE

ATTEMPTING ALIGNMENT

aligned, perform

at low

frequency

The

junction

of

be no

higher than

CONNECT VTVM

DC

Probe

to PoinK£> . Common

to

chassis.

DC

Probe

to Point<§>.

Common to

point^p

DC

Probe

to

Point<4j>>.

Com-

mon

to

chassis.

is in

cabinet.

be no

higher than

OUTPUT

METER

Across

voice

coil

Across

voice

coil

CONNECT VTVM

DC

Probe

to Point<^ . Common

to

chassis.

these

•

all end of

steps

dial.

two

necessary

ADJUST

A41

A42

A43

A44,

A45,

A46, A47, A48,

A49

necessary

ADJUST

A50, A51, A52, A53

A54, ASS, A56

A57, ASS, A59

A60, A61, A62

A63,

A64, A65

ADJUST

A66, A67

A68, A69

A70

A71

after that

portion.

resistors

is

alignment point

to

obtain

an

output

Connect a 680S2 "D"

and

flection. Remove

reading. A positive will

be setting. as

zero towards A39

should

Adjust meter connected mum

output

not

occur

A40,

it may be

A40

simultaneously until output the

same

680ft

resistor.

Alternately of

each transformer while

of

the

Adjust

to

Alternately

of

each while former

imum

Adjust generator A

signal should

the

signal generator

to

the

Adjust generator A

signal

is

incorrectly steps

Adjust

Adjust 28

and 29

be

made.

Adjust

Adjust are

noted,

out.

Repeat

improvement Adjust

If

two

largest Adjust

If

two farthest out. no

further improvement

resistor

"E"

of

L46.

the

680S2

obtained

on

The

voltage

is

approached. A slow approach

zero

indicates

be

turned

for

MINIMUM

and

zero

at the

same

necessary

and

zero

voltage

point. Repeat

Remove

load

the

same transformer

for

maximum deflection.

obtain

an

output reading.

load

the

transformer

the

opposite

is

being adjusted.

output.

for

maximum output. Tune

to

16.41MC be

next peak

and

for

maximum

to

10.

41MC

should

be

aligned,

26 and 27.

for

maximum output.

for

maximum output. Repeat

until

no

for

maximum deflection.

for

maximum deflection.

use the one

steps

can be

for

maximum deflection

peaks

are

noted

capacity.

for

maximum deflection (noise

peaks

are

noted,

Repeat

H as

shown

reading.

Use an

REMARKS

between

Adjust

resistor.

and

either

should change

in the

output

across

voltage

primary

REMARKS

primary with a lOKfi

side

and

heard.

to recheck

output.

and

heard.

further improvement

REMARKS

30 and 31

made.

steps

terminals

for

maximum

Adjust

negative reading

side

of the

severe

detuning

opposite

on the

voice

coil.

on the

settings

of A39 and

to

adjust

minimum

on

VTVM

occur

step

21

omitting

the

output

and

secondary

the

opposite

is

being adjusted.

Use an

and

secondary

resistor

of the

same

Adjust

for

increase If it is

not,

15.

SMC

and

for

image.

Tune

increase

If it is not the set

therefore

repeat

If two

with

the

slug

until

no

(noise

use the one

use

the one

with

32 and 33

can be

made.

for

zero

correct

rapidly

direction.

output

If

mini-

VTVM

A39 and

audio

meter.

side

trans-

max-

the

signal

the

output.

reset

open

the

signal

the

output

steps

peaks

farthest

further

voltage)

with

the

voltage)

the

until

and

at

the

can

de-

do

A51

.

slug

PAGE

9

3RD

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NOTE:

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120VDC

70VDC

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PIN 8 OF

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6. 3

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170VDC

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200VDC

380VDC 380VDC

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150

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250

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17.5VDC

500

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510VDC

MEASURE

OV.

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6

AT

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3

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VOLTAGE

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4

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90

6.3VAC

100VDC

6.3VAC

95VDC

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80VDC

6.3VAC

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6 . 3VAC

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250VDC

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6.3VAC

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500VDC

440VDC

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70

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10

230VDC

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FOR

THESE MEASUREMENTS.

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11

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570VDC

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390VDC

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13

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14

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15

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17

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V

19

V20

V21

V22

V

23

V24

V25

V26

V27

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V29

V30

V31

V32

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9

AUDIO

CHASSIS-TOP

VIEW

PAGE

14

AUDIO

(R74A)

(Cljj

CHASSIS-BOTTOM

VIEW

cc

aovd

5-AA3IA

WOJL109

SISSV

3

Al

V-CAPACITOR

IDENTIFICATION

PAGE

15

PAGE

16

TV

CHASSIS

BOTTOM

VIEW-

W-

RESISTOR

IDENTIFICATION

PAGE

21

LOW

VOLTAGE

SUPPLY-TOP

VIEW

LOW

VOLTAGE

SUPPLY-BOTTOM

VIEW

PAGE

17

OPTICAL

1.

Optical

J-bcus

Figure 6 shows

picture

goes

2.

Lateral Optical

The adjusting. shows

the

3.

Horizontal Optical Centering Adjustment

Figure 9 shows

parallel.

Figure

picture

Is

4.

Corrector

This

as in

Figure

image

irr

the

5.

Optical

If

the top and adjustment turned

clockwise,

taneously

6.

Optical

If

the are

incorrect horizontally adjustments

Figures 6 through

is

posssible.

Adjustment

through

an

lack

of a

This condition

result

of

trying

10

shows

out of

focus

Lens Centering

adjustment

6.

Figure

upper

left

Barrel

bottom

of the

vertical tilt adjustment (B7)

the

in the

vertical

Barrel

left

and

should

at the

same

should

be

Care

must

(B4)

the

result

optical

focus

Adjustment

parallel

condition

may

appear

to

correct

the

misadjustment

the

result

at the

right

is

correct

12

shows

portion

of the

Vertical Tilt

of the

adjustment

plane. With

Horizontal Tilt

right

sides

be

adjusted

time.

After

rechecked

13

represent

be

exercised

of

and Adjustment

when

the

picture

nearest

of the

BARREL

.

misadjustment

simultaneously,

(B9).

of the

reversed,

the

above condition

of

attempting

left

the

incorrect condition. Figure

figure.

Adjustment

this Adjustment

picture

by

raising

adjustment

one

when

of

this

all

other

vertical double

indicating that

with

(B5).

of the

horizontal optical centering adjustment; notice that

to

correct

edge

- the

oppsite

(B6).

"halo" around

(B7).

do not go

through a focus simultaneously

is

indicated.

the

focus

adjustment should

adjustment incorrect,

(B8).

do not go

through a focus simultaneously

one and

lowering

of

either

misadjustment only

analyzing

individual

control.

If the

adjustments

line

as

shown

the

lateral

the

optical

this

condition

of

Figure

the

center

dot of the

11

shows this condition

L' the top of the

be

the

horizontal condition

the

other alternately

the

vertical

or the

and it

should

cases

ADJUSTMENTS

vertical

and

horizontal double

are

probably

correct.

in

Figure 7 indicates that

optical adjustment

focus

adjustment (B4).

with

the

8.

lowered

to

assure

optical fosus adjustment (B4). Notice that

pattern

(when

when

as B4 is

the

entire picture

of

Figure

as in

until

the

in

mind

diagnosis

adjusted through

picture comes into focus first

until

horizontal tilt adjustments

be

borne

correct

lines

the

is off in the

the

optical

B4 is set

correctly.

13

will appear vertically.

Figure

12,

entire picture

(B7 and B8) all

that

any

combinations

of the

lateral

horizontal double lines

focus

as the

goes

the

existing

are

parallel

and the

entire

optical adjustment

opposite direction. Figure

are not

the

is

misadjusted)

Notice

an

optical focus, focus adjustment

through a focus simul-

horizontal tilt adjustments

goes

through a focus

mal-adjustments.

these

is

circular

the

distorted

incorrect

is

misadjustments

needs

8

FIG.

5 -

Image

the

corners

FIG.

7 -

Lateral

of a parallel condition

PAGE

18

in

optimum focus. Note

of the

picture.

adjustment

of the

of

optical

vertical

barrel

lines.

600

line

definition

incorrect,

as

is

obtained

shown

by a

in

lack

FIG.

double

FIG. for both

6 -

lines

8 -

sharp

top and

Optimum

on

both horizontal

Same

as

definition

bottom.

of

adjustment position. Picture

and

vertical

shown

in

Fig. 7 except that

of the

center

and an

out-of-focus

axes.

the

out of

system

condition

focus, showing

has

been

focused

occurs

at

FIG. 9 Image

FIG.

11 - The

image

Out-of-focus

is

sharp

is

distorted

condition

at the

left-hand

aspherical

in the

due to

side

of the

corrector lens

upper

left-hand

incorrect horizontal adjustment.

picture.

is off

center and,

quadrant.

in

this

case,

the

FIG.

10 -

Same condition

by

adjustment out axis.

FIG. focus

of the

of

focus

at the

12 - Aspherical correcting

showing distorted "halo" around central dot.

optical

right

and

as

Fig. 9 except that

barrel

to be

left-hand

sides

lens

off

correct

but in

center

the

picture

at the

focus

with

optical system

has

been

the

focused

vertical

out-of-

center. Picture

along

is

•V

s

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oo

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FIG.

13 -

Incorrect adjustment

a

horizontal

optimum

focus

shift

for the

of the

picture

left-hand

of

"tilt" to the side

of the

left

and the

optical

and has a

center

barrel

which

definite position

of the

picture.

produces

of

PAGE

19

VERT.

LIN.

OPTICAL

BARREL

Diw»-rv»

VERT.

CENT.

PAGE

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HORIZ. DRIVE

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FM

PAGE

34

RCA

VICTOR MODELS

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16.

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17.

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18.

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19.

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20.

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21.

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22.

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23.

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24.

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25.

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26.

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27.

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push-on type knobs

base

socket

of

bolts.

Make

plug

screw holding yoke clamp

three

power plug

plug

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two

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short

four speaker octal

four

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two two

remove picture tube housing, remove

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sure

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left

screws

holding clamps

screws

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from

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plugs

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right

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chassis

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V

flECT.

.JHVBECT.

DISASSEMBLY INSTRUCTIONS

from

controls.

and

are

of TV

large left of

deflection

rear

over

and

rear

bolts

speaker.

center

inside bottom

bolts

upper

resistor 11/32"

center

screws

bolts

feed thru hole

removed before withdrawing plugs.

from

Hor. deflection

chassis

and

slide yoke

over

glass

end of

rear

bolts

remove of TV

on-off

picture tube

corner

of

chassis.

of TV

chassis.

holding Hor. deflection

and

remove sixteen 1/4"

HV

lead from

plug

of

power supply

chassis

holding power supply

This

cable

of

audio amplifier

of

audio

amplifier

front

holding audio amplifier

right

corner

chassis

holding

speaker

of TV

chassis.

holding antenna terminal

holding

TV

three

switch

to

on-off

in

dust cloth. Some plugs connecting

chassis

feed

cable

thru dust

off

neck

of

plate. Push clamps

and

power supply

This

leading

leads

of

of TV

to

chassis

control panel switch

remove tube.

chassis

cable

These

cables

chassis

hex

this

unit.

chassis.

to

power supply chassis

to

audio amplifier

chassis.

cabinet.

chassis

chassis.

cabinet. Remove

to

cabinet. Remove

This

cable

to

cabinet, holding

5/8"

hex

nuts holding picture tube housing

to

inside

and

feed

cloth.

picture tube.

aside

leading'to

leads

to

power supply

lead

to

head

bolts

This cable

to

cabinet. Remove

to

side

This

cable

chassis.

goes

to

strip

to

upper

of

cabinet.

corner

cable

thru hole

in

and

remove

Hor. deflection

cabinet. Remove

chassis.

audio amplifier

of

chassis.

from

bottom

cover.

leads

to

audio

chassis.

of

cabinet, using

leads

to

resistor

speaker.

left

chassis

control panel. Remove

of

chassis. cabinet. to

prevent

the

dust

cloth.

jlate

glass

] chassis.

chassis.

the

chassis Unsolder

amplifier

care

chassis.

it

falling. Remove

to

cabinet. Lift unit

various units

to

on-off

V.14

V35 • 1

V3«|

over

neck

with

care

HV

lead.

chassis.

hold

chassis.

switch

)|

j

[

are

of

picture

as

HV

Loosen

Remove

TV

and

wiring.

29m,

held

lead

chassis.

remove.

I"'

1

^

in

with 1/4"

tube.

to

clamp

chassis.

1

hex

picture tube

screws

•

1

8

is

on

PAGE

(Any

lead

dress

1.

Lead from

2.

Leads

to

3. The

following

4.

All

FM

coil connections must

5.

Lead from

6. All RF and IF should

be

taken

NOTE: Keep tuning capacitor

24

should

pin 5,

terminals

capacitors

pin 7,

wiring

so as not to

RADIO

be

made before alignment)

tube V43,

to

terminal

"C" and

"D"

must

be

tube V49, must

in the

receiver

disturb

rotor

more

CRITICAL

"C" on

transformer

on

transformer

dressed

soldered

be

dressed

grounding brushed clean

L38

close

to the

in

exact away from lead

is

critical

as to

of the

wiring than absolutely

should

chassis

place

length

LEAD

L37

should

be

dressed

with

leads

as the

original.

to

terminal

and

placement.

necessary.

and

making good contact.

DRESSING

be

dressed

close

together.

kept

as

short

as

(One-sixteenth inch "D" of

transformer L48.

It is

therefore

to

chassis.

possible:

C157, C158, C168,

difference

important when

in

length

may be

servicing,

C170,

C174

excessive.)

that

extreme

and

C173.

care

RADIO

CHASSIS-BOTTOM

VIEW-CAPACITOR

IDENTIFICATION

RADIO

CHASSIS-BOTTOM

VIEW-RESISTOR

IDENTIFICATON

PAGE

25

Cl C2A

C3A C4A

C5A

C6A C7A

C8 C9A

CIO Cll C12 C13 C14 CIS C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30

C31 C32 C33 C34 C35 C36 C37

C38 C39 C40

VI V2 V3 V4 V5 V6 V7 V8

V9 V10

vu

V12 V13 V14 V15 V16 V17 V18 V19 V20 V21 V22 V23 V24 V25 V26 V27 V28 V29 V30 V31 V32 V33 V34 V35 V36 V37 V38

V39

V40 V41

ITEM

No.

B C

B B

C B

C B B

C D

B C

ITEM

No.

70 70 70 20 70 10 100 250 20 40 100 50 80 10 40 10 35 10 1000 30

50 40 10 10 270 270 1500

1.5

1.5 1500

.68

4.7

2.2 22 1500 68 1500 1500 10

4.7

4.7 270 1500 1500

500 500

82

500 500

500 1500 43 270

CAP.

USE

RF

Amp.

Mixer Oscillator 1st

Video

2nd

Video

3rd

Video

4th

Video

Del. - AGC Rect. Video

Amp.

Video

Output

DC

Restorer

Diode

AGC

Amp.

1st

Sound

2nd

Sound Limiter Disc.

1st AF

Amp.

Phase

Inv.

Audio

Output

Audio

Output

1st

Sync.

Amp.

2nd

Sync.

3rd

Sync.

Vert.

Osc.

Vert.

Output

Hor. Sync.

Hor.

AFC

Hor. Osc.

Hor.

Disch. Hor. Output Hor. Output

Damper

Dam

per

HV

Rectifier

HV

Rectifier

HV

Rectifier

LV

Rectifier

LV

Rectifier

LV

Rectifier

LV

Rectifier

Projection

RATING

VOLT

400 250 250 50 400 400 15 15 150 450 150 50 450 450 450 450 350 350 3 450

400

25

500

1000

TV

PARTS LIST

RCA

PART

6J6

eje

616

-AGC

Capacity and

PART

72621 72622

72623 72624

72612

71780 72169

72611

72955

71540 71540

71501

71500 71500

71501

71504 71520 71502

33101 71501

-

71501

45466 71520 71520 39638

71501 71501 71501 71501

73090

71501 71501 71501

71501

73091

RCA

6AG5 6AG5 6AG5 6AG5

6AL5 6AU6 6V6GT

6AL5 6AT6 6BA6 6BA6 6AU6 6AL5 6AT6

615

6F6G 6F6G 6SK7

6SH7

6J5 6J5

6K6GT

6H6

6AC7 6K6GT

6*5

6BG6G 6BG6G 6AS7G 5V4G 1B3GT 1B3GT 1B3GT

5U4G 5U4G 5U4G

5U4G 5TP4

Paper

No.

values

Capacitors,

IF

Amp. Amp.

-Disch. Disc.

Tube

TUBES

REPLACEMENT

No.

given

AEROVOX

PART

No.

AF16J AF1414F4B

AF862JA

t

AF4D5020P

AF8J20D10B

AF164J

•AF82J2H I-PRS450/40

AF200A AFH6J10J8A

CN10JNPO CN10JNPO GP270M

GP270M GP1500M CN1.

5CNPO

CNL

5CNPO

GP1500M

CK22JNPO GP1500M CN68JNPO GP1500M GP1500M CN10JNPO CN4.7DNPO CN4.

7DNPO 1468-00025 GP1500M GP1500M GP1500M GP1500M 1468-000075 GP1500M GP1500M GP1500M

GP1500M

CN43JNPO

1468-00025

AND

(SYLVANIA

DATA

STANDARD

REPLACEMENT

616 6J6 6J6

6AG5 6AG5 6AG5 6AG5

6AL5 6AU6 6V6GT

6AL5 6AT6 6BA6 6BA6 6AU6 6AL5 6AT6

615

6F6G 6F6G 6SK7

6SH7

6J5 615

6K6GT

6H6

6AC7 6K6GT

6J5

6BG6G 6BG6G 6AS7G 5V4G 1B3GT 1B3GT 1B3GT 5U4G 5U4G

5U4G

5U4G 5TP4

CAPACITORS

in the

rating

and in

REPLACEMENT

mmfd.

CORNELL-

DUBILIER

PART UP8045 UP9CJ350

UP9BJ857 UP7CJ269

UP9CJ1002

UP9BJ857 UP9DI784

UP9CJ884

5W5T25 1W5D15 1W5D15 1W5D15 1W5D15 5W5T1 1W5D15 1W5D15 1W5D15

1W5D15 5W5T25

DESCRIPTIONS

or

Equivalent)

RMA

BASE TYPE

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

6BT 7BK 7AC

6BT 7BT 7BK 7BK 7BK 6BT 7BT 6Q 7S 7S 8N 8BK 6Q 6Q 7S 7Q 8N 7S 6Q 5BT 5BT 8BD 5L 3C 3C 3C

5T 5T 5T

5T

column

are in

No.

5 5

and

mfd.

Ceramic

SPRAGUE

PART

TVL-50

TVL-47

D12677

TVL-47 TVL-59

TVL-42 D12684

1FM-325 1FM-215 1FM-215

FM-215 FM-215 FM-475 FM-215 FM-215 FM-215

1FM-215 1FM-215

DATA

No.

for

Mica

ERIE

PART

NPOK-10 NPOK-10 GP2K-250 GP2K-250 GP2L-0015 NPOK-1. NPOK-1. GP2L-0015

GP2L-0015 GP2L-0015

GP2L-0015 NPOK-10

GP2K-250 GP2L-0015 GP2L-0015 GP2L-0015 GP2L-0015 GP2K-75 GP2L-0015 GP2L-0015 GP2L-0015

GP2L-0015 GP2K-250

lor

Capacitors.

No.

NOTES

Electrolytic

IDENTIFICATION

INSTALLATION

Filter

Filler

Filter Hor. Output Filter Hor. Output Hor. Cent. Cont. Hor.

Cent. Damper Filter

Filter

Vert.

Output Filter Vert.

Output Decoupling Filter Low

Pass

Filter

ecoupling ert.

Cent. Filter Filter Filter

Fixed

Trimmer

Fixed

Trimmer

RF

Coupling

RF

Coupling

RF

Bypass Neutralizing Neutralizing RF

Decoupling RF

Coupling

RF

Coupling

RF

Coupling

Fixed

Trimmer

Mixer

Decoupling

Fixed

Trimmer

Filament

Bypass

Osc.

Decoupling

Fixed

Trimmer

Osc.

Feedback

Osc.

Feedback

IF

Coupling

AGC

Filter

1st V. IF

Decoupling

1st

V.

IF

Fil.

IF

Coupling

AGC

Filter

2nd

V. IF

Fil.

2nd

V. IF

Decoupling Decoupling Fixed

Trimmer

IF

Coupling

Cont.

Filter

Cont.

Bypass

AND

Cath. Screen

Cath.

Bypass

•

CODES

NOTES

Bypass

Decoupling

Bypass

PAGE

26

TV

PARTS

LIST

AND

DESCRIPTIONS

(Continued)

C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64

C65 C66 C67 C68 C69 C70 C71 C72 C73

C74 C75

C76 C77 C78 C79 C80 C81 C82 C83 C84 CSS C86 C87 C88 C89 C90 C91 C92 C93 C94 C95 C96 C97 C98 C99

C100 C101 C102 C103 C104 C105 C106 C107 C108

C109 C110

cm

C112 C113 C114 C115

cue

C117 C118 C119 C120 C121 C122 C123 C124 C125 C126

C127 C128

C129

C130 C131

C132 C133 C134

ITEM

No.

t

Some

t

Omit

CAP.

.05

1500 1500 1500

270 82

75

1500

270

33

1500

10

.05

680

.05

.25

.001

.25

.5

.1 .25 .1

1500 1500

.01

1500

.500

51

1500

470

.005

.01

.001

.01

.05

.02

.0035

.05

.1 270

.05

.01

.002

.005

4700

.05

1000

.06

.1

1500

.01

1000

82

.015

.01

.004

.05

.015 1200

.05

3900 3900

1000

.05 390 .01 .05

.000

150 .01

.000

.1

05 000 000

>00

500

500 500 500 500 .01 .01 56

RATING

400

1000

400 500 600 400 500 500

10000

models

bypass

VOIT

400

1000

500 400 600 500 600 600 200 600

200 200 200 200 200 400

400

500 400 200 400 400 400 200 600 600

1000 1000

400 400

1000

400 400 400 400

400 500

1000

500

1600

1000

200 400

500 500 400 400 400 400 400

400 500 500 500 600

1000

600 500

10000

10000 10000 10000 10000

400 400

39652 70638

71615

39652 39652 71450

use .

section.

RCA

PART

70615

71501 71501 71501

73091

71514

71501 71501 71501

73091 38868

71501

72615 70615 70636

53274

72996 72996

70618

70600

70618 70618 70619 70617 70618 70617

71501 71501

70610

71501 71501 71771

71501

39644

70606

70610

70600

70610

71551

70632

70646

70615

70617

73091 70615

70610

70601

70606

72524

73093

72616

73092

70659 70617

71501

70610 54346 72614

71516

70610 70605 70615

71516

72638 70615 39666 39666 39652 70636 73094 70610 70636 39652 73095 70610

71450 71450 71450 71450 71450 71770 71770

01MFD

Parallel

No.

in

thi;

s

P488-05 GP1500M GP1500M GP1500M 1468-00025 GP100K CN75JNPO GP1500M GP1500M GP1500M 1468-00025 GP33K GP1500M 1468-00001 P488-05 P688-05 1468-00075 P688-05 P688-05 P488-25

P688-001 P4S8-25 P488-25 P288-5 P288-1 P488-25 P488-1 GP1500M GP1500M P4B8-01 GP1500M GP1500M GP51M

GP1500M

1468-0005

P688-005

P488-01

P688-001

P488-01

P288-05

P688-02

P1088-0033

P488-05

P488-1

1468-00025

P488-05

P488-01

P688-002

P688-005

1467-005

P1088-05

1468-001

1684-06

1084-1

P288-1 GP1500M

P488-01 1468-001

P488-015 P488-01

P688-004 P488-05 P488-015

P488-05 1467-004 1467-004 1468-001 P688-05 1468-0004 P488-01 P688-05 1468-001

P488-01

1468-001 P688-1 P488-05 1468-001 1468-001 HV500

HV500

HV500 HV500

HV500

P488-01 P488-01

application.

;ctions

CAPACITORS

REPLACEMENT

AEROVOX

PART

No.

1W5D1

to

obtain

desired

CORNELL-

DUBILIER

PART PTE4S5 1W5D15 1W5D15 1W5D15 5W5T25 5W5T1

1W5D15 1W5D15 1W5D15

5W5T25 5W5Q4

1W5D15

5W5Q1 PTE4S5 PTE6S5 1W5T7 PTE6S5 PTE6S5 GT2P25 PTE6D1 GT2P25 GT2P25 GT2P5 PTE4P1

GT2P25 PTE4P1 1W5D15 1W5D15 PTE4S1 1W5D15 1W5D15

5W5Q5

1W5D15

5W5T5

PTE6D5

PTE4S1

PTE4S1 PTE6D1

PTE4S1

PTE4S5 PTE6S2

PTE6S2 PTE16D3

PTE16D3 PTE4S5 PTE4P1 5W5T25 PTE4S5 PTE4S1 PTE6D2 PTE6D5 PTE6D5 1D5D5 GT16S5

1W5D1

GT16S5 PTE4P1

1W5D15 PTE4S1

1W5D1

PTE6S15

PTE4S1 PTE6D4 PTE4S5 PTE6S15

PTE4S5 1D5D4 1D5D4

1W5D1

PTE6S5 5W5T4 PTE4S1 PTE6S5

1W5D1

PTE4S1

1W5D1

PTE6P1 PTE4S5

W5D1

PTE4S1 PTE4S1

CCONTO

DATA

No.

capacity.

ERIE

PART

No.

GP2L-0015 GP2L-0015 GP2L-0015 GP2K-250 GP1K-100 NPOM-75 GP2L-0015 GP2L-0015 GP2L-0015 GP2K-250 NPOL-33 GP2L-0015 GP1K-10

GP2K-750

GP2L-001

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

GP2L-0015 GP2K-500 GP2M-005 GP2-335-01 GP2-335-01 GP2L-001

GP2-335-01

GP2K-250

GP2-335-01 GP2M-002 GP2M-005 GP2M-005 GP2M-005

GP2L-001

GP2L-0015 GP2-335-01 GP2L-001

GP2-335-01

GP2L-001

GP2-335-01 GP2L-001

GP2L-001 GP2L-001 410-500

410-500 410-500 410-500 410-500 410-500

SPRAGUE

PART

No.

TM-15

1FM-215 1FM-215

1FM-215 1FM-325 1FM-31

1FM-215

1FM-325

1FM-44

1FM-215

MS

-41 TM-15 TM-15

1FM-37

TM-15 TM-15 TC-2

TM-21 TC-2 TC-2 TC-5

ra-i

re

-2

nn-i

1FM-215 IFM-215

TM-11

FM-215 FM-215 FM-45

IFM-215 1FM-35 TM-25

TM-11 TM-11 TM-21 TM-11 TM-15 TM-12 TM-12

MB-23

TM-15 TM-1

1FM-325

TM-15 TM-11

TM-22 TM-25

TM-25 1FM-25

TR-15

1FM-21

TR-15

TM-1

IFM-215

TM-11

1FM-21

TM-11

TM-24

TM-15

1FM-24 1FM-24 1FM-21

TM-15

1FM-34

IM-11 TM-15

IFM-21

rM-ii

IFM-21

ra-i

nn-15

.FM-21 IFM-21

TM-11 TM-11

IDENTIFICATION

AND

INSTALLATION

AGC

Filter

3rd

V. IF

Fll. 3rd V. IF Decoupling IF

Coupling

4th

V. IF Fixed 4th

V. IF 4th

V. IF Decoupling IF

Coupling

IF

Coupling Video V.

Diode Video Video Coupling 2nd

V. Video Coupling Video DC

Res. Decoupling AGC AGC AGC AGC AGC AGC AGC 1st S. IF 1st S. IF 2nd

S. IF 2nd

S. IF Limiter

Limiter RF

Bypass Audio Tone Compensation

Audio AF

Plate

Audio Audio Audio Audio Output Output Sync. 1st

Sync. Amp. Sync. Sync. Vert. Integrator Integrator Integrator Vert. Vert. RF

Bypass Vert. Vert. RF

Bypass RF

Bypass Hor. Sync. Coupling

'Hor.

Hor. Sync. Coupling Fixed Trimmer AFC AFC Hor. Osc. Coupling Phase Phase Hor. AFC Hor. Osc. Grid Cap. Hor. Osc. Grid Hor. Osc. Screen

Differentiator

Hor. Sync. Coupling Hor. Sweep Coupling

Hor.

Hor. Sweep Coupling

Damper Cath. RF

Bypass Decoupling Ace. Filament Filament HV

Filter

HV

Filter

HV

Filter

HV

Filter

HV

Filter Focus Line Line Fixed

Bypass

Decoupling

Cath.

Bypass

Trimmer

Fil.

Bypass

Decoupling

Det.

Fil.

Bypass

Filter

Coupling

Amp.

Cath.

Coupling

Diode

Filter

Filter Filter Filter Filter

t Coupling Filter

Cath.

Bypass

Decoupling

Grid

Filter

Cath.

Bypass

Decoupling

Grid

Filter

Decoupling Coupling Coupling

Bypass Coupling Coupling Coupling Coupling

Plate

Bypass

Plate

Bypass

Coupling

Plate Coupling Coupling Sync. Coupling

Net. Net.

Net. Osc. Grid Cap. Discharge

Osc.

Plate

Sweep Coupling

Osc. Grid

Filter Filter

AFC Coupling

Feedback

Anode

Filter Filter

Shifter Shifter

Cont.

Bypass Bypass Bypass

Anode

Trimmer

Filter

Screen

Filter

Net.

Bypass

*

CODES

NOTES

Bypass

Dec.

Bypass

<

ft

ft*

5

o

•n

m

|G

N

00

\l

PAGE

27

Rl R2A

R3A R4

R5 R6 R7 R8 R9 RIO

R23 R24 R25 R26 R27 R28 H29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 H44 R45 R46 R47 R48

R49 R50 R51 R52 R53 R54 R55 R56 R57 R58 R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69

R76

R77

R81

R82

R83

R84

R85

R86

R87

R88

R89

R90

R91

R92

R93

R94

R95

R96 R97

ITEM

No.

ITEM

No.

Rll R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22

R70 R71 R72 R73 H74 R75

R78 R79 R80

B B

RATING

RESIST-

ANCE

IMeg.

1

Men.

50KS!

1000(2

50K(2

5000(2

2. 5 Meg. 30(2

5000(2

3on

250KS!

15

Meg.

RESISTANCE

150(2 150(2

lOOOSi 4700(2 4700(2 1000S2 IMeg.

10K(2

1000(2

150(2

47000

47(2

100KSJ 100KR 10K(25%

39(2

1000(2

20%

150(220%

150(2

20%

1000(2

20%

10K(2

5%

39(2

1000(2

20%

150S1

20%

1000(2

20%

4700(2

5%

39(2

2700(2

5%

1000(2

20%

150(220%

150O

560005% 1000(2

20%

150(2

20%

39000 470K(2 3300(2 6800(220% 470K(2

20% 220(2 2200(2 10K(220% 33K(2 150KS2

20% 27IO! IMeg.

20% 22KS220% 100K(2

2. 2

Meg.

10K(J

5%

330(2 22K(2

5% 82K(2 100K(2 470K(2 56K(2 IMeg. 100K(2 IMeg.

27K(2 220K(2

100(2

1000S2

20%

470K(220%

100(2

1000(2

20%

22K(2

20%

10K(2 10K(2

100K(2 100KO

5.1(2

27K(2

10

Meg.

330K(2

56K(2

22V.il

2700(2

27K(1

220K(2

20%

220K(220%

6. 8 Meg.

IMeg. 4700(2 4700(2

1

Meg,

4. 7

Meg.

WATTS

RATING

20%

1 1

I \

4

2 4

WATTS

i

A ~

J

| f

1

2 2 3

I i

f

5 I

1 1

~S

| 1

I

}

I

^ |

¥

•g

^ f

a |

2

i

1

5

^ ~2~ 1

2

i

10

\

5

3 I

i

| 5 5 1 | 1^

J,

2

1 f

5 i

i

1

J

|

2

1

f 1 1

i

a

Y

^

1 I

J |

i

I

|

i 1 1

5 J

RCA

PART 70143 72758

71971 71441

71440 72168

71441 72181

72182 72183

No.

RCA

PART

72613

72067

REPLACEMENT

IRC

PART

Q13-137X

Qll-114 Qll-239 W-30X15 Qll-114

W-30

Q13-130

REPLACEMENT

No.

CONTROLS

DATA

CLAROSTAT

No.

PART

T-98

970111-8 970111-1

M-19-S 58-30CT

M-19-S 43-30 M-64-Z

RESISTORS

DATA

IRC

PART

No.

BTS-4700 BTS-1000

BTS-10K BTS-1000

BTS-1000

BTS-3900 BTS-470K BTS-3300 BTA-6800

BTS-470K

BW-i-220 AB-2250 BTS-10K

BTS-33K BTS-150K BTS-27K

BTS-1 Meg.

BTS-22K BTS-100K BTS-2.2Meg. BTS-10K-5% BW-i-330 BTA-22K-5% BTS-82K BTS-100K BTS-470K BTS-56K

BTS-1 Meg.

BTS-100K

BTS-1

Meg.

BTS-27K BTS-220K

BTA-10K BTS-100K BTS-100K BW-i--4.7

' BTS-27K BTS-10

Meg. BTS-330K BTS-56K BTS-22K BTS-2700 BTS-27K BTS-220K

BTS-220K BTS-6.8Meg.

BTS-1 Meg.

BTA-4700 BTA-4700

BTS-1

Meg.

BTS-4. 7 Meg.

No.

Volume Vert,

Horiz. Contrast

Brightness

Vert,

Height

Vert,

Horiz. drive Horiz. Horiz. linearity control

Focus control

ALL

RESISTORS

RF

Grid

RF

Grid

Bias

Filter

RF

Plate

RF

Plate

RF

Decoupling

Mixer

Grid

Mixer Grid

Mixer

Decoupling

Decoupling Osc.

Plate

Osc. Cathode Osc. Grid Osc. Grid

1st

Video

IF

1st

Video

IF

1st

Video

IF Decoupling Network Decoupling AGC

Network

2nd

Video

2nd

Video

2nd

Video Decoupling AGC

Network

3rd

Video 3rd

Video Decoupling 4th

Video

IF

4th

Video

IF

4th

Video

IF Decoupling Video

Del.

Video

Amp. Grid

Video

Amp. Filter Video Output Video

Output C athode Video

Output Phase

Correction Voltage Divider Voltage

Divider

DC

Rest.

Load

DC

Rest.

Load

Isolation

Picture

Tube Grid

Voltage

Divider

AGC

Diode Load Voltage Divider Voltage Divider AGC

Diode Load AGC

Filter AGC

Filter

AGC

Amp. Voltage

Divider

AGC

Network Voltage Divider

AGC

Diode Voltage Divider 1st

Sound

IF

1st

Sound

IF

2nd

Sound

2nd

Sound

2nd

Sound

Limiter

Grid Limiter Decoupling Voltage

Divider

Disc.

Diode Load

De-emphasis

Disc.

Filament Tone Compensation 1st AF

Grid

1st AF

Plate

2nd

AF

Grid

2nd

AF

Grid

2nd

AF

Cathode

2nd

AF

Plate

Output

Grid

Output

Grid

1st

Sync. Grid

1st

Sync. Grid

1st

Sync.

Plate

1st

Sync.

Plate

2nd

Sync. Grid

2nd

Sync. Grid

INSTALLATION

control,

tapped

hold control

hold

linearity control

control

centering

centering control-Wire

Shunt

Network

Grid Cathode Decoupling

Network

IF

Grid

IF

Cathode

IF

Decoupling

Network

IF

Grid

IF

Cathode IF IF

Decoupling

Network

Cathode

Plate Decoupling

Network

Diode Load

Plate

Grid

Plate-Wire

Plate

Load

Cathode Decoupling

IF

control

control-1

control-Wire

control

IDENTIFICATION

ARE ± 10%

Plate

-See

Note

Grid Cathode Decoupling

-Wire

Wound

Decoupling

•>„,,_, _ .

Dual

,

Dua,

Wound

NOTES

at

250K(2

.

Co«cenlr,c

Concentrlc

Wound

CODES

UNLESS

OTHERWISE STATED.

R98 R99 H100

R101 R102 R103 R104 R105 R106 R107 R108 R109 R110

Rill

R112 R113 R114A

R115 R116 R117 R118 R119 R120 H121 R122 R123 R124 R125 R126

R127 R128 R129 R130 R131 R132

R133 R134 R135 R136

R137 R138 R139 R140 R141 R142 R143 R144 RMS R146 R147 R148 R149 R150

R151 R152 R153 R154 R155 R156 R157 R158 R159 R160 R161 R162

R163 R164 R165 R166 R167 R168 R169 R170 R171

R172A R173A

R174A

ITEM

No.

Tl

T2

ITEM

No.

T3

ITEM

No.

TV

esoon

IMeg.

4700(2

3300(2 22K(2 22KK 8200(2 8200(2

1. 2 Meg.

1.5

470K(2

2. 2

1000(2 8200(2

1000(2

330KIJ

125(2

B

950011 2700(2 470KS2 470K(220% 470K(2 470K(2 5603 22K(2 47K(2 100K(220% 27K(2

10(2,6%

27K(2 3300(2

15K(2

6800S2 220KS2 170KS2 IOOS2

10

IMeg. 100K(2

33K(2 2200(2 47000 B8KO 2450(2 68K(2 120KS! 39KC 68K(2

68K(2 120102 39K(2 68KO 640(2

B

970(2 2760(2

B

25200

C

180(2

2000(2

B

2000(2

C

2000T2

Note.

117VAC

®2.5A

117VAC

®1.55A

117VAC

at

2200(2 27K(2 180KSI

4.7(2

1.5

1. 5 Meg.

2. 2 10 10

10

68K(2

1.07

PARTS

RATING

RESISTANCE

20% 20%

Meg.

20%

Meg.

5%

20% 20%

20%

100(2

20%

471220%

100(2

20%

100(220% 47(220% 220KS2 80S2 100(220%

20%

Meg. Meg.

Meg. Meg. Meg. Meg. Meg.

Not

used

in all

PHI.

SEC.

1

900VCT

.260ADC

720VCT

.

180ADC

#

Drill

new

PRI.

SEC.

1

750VCT

A

.

140ADC

WATTS

1

2

1

3 I

^

2

|

2

I I

1 $

2.5 2

1

~2

2 1

2

-j

2

1 1

1

2

|

10

1

A

2

1

a

i

-'I I

§

-%

5 1

1 1

a

5

2

3

2

^

2 2 2 2 2 2 2

1 1

1

i 1

5 2

16.5 2 1 2 1 2 1 2 1

10.5

9 10 4

3.5 5 5 5

models.

RATING

®6A

®3.3A

®3A

mounting

RATING

LIST

}

72171

48207

72631

72633 72633 72633

72184

\0

48344 48344 48344

SEC.

2

5VAC

SBC.

4

6.

3VAC

5VAC

SEC.

2

5VAC at3A

REPLACEMENT

RCA

PART

No.

SEC.

6.

3VAC Tap.® 5VAC

6.

3VAC

®7.2A

holes.

SEC.

6.

3VAC

at 2A

AND

DATA

PART

BTA-6801

BTS-1

BTA-4701 BTA-3301 BTS-22K BTS-22K BTS-8200 BTS-8200

BTS-1. BTS-1. 5 1 BTS-470K BTS-2.21

BTS-1000 BTS-8200 BW-1-1001 BTS-330K

BTA-270C BTS-470K BTS-470K BTS-470K BTS-470K BTS-560 BT-2-22K

BTA-47K BTS-100K BTA-27K BW-j-lO-! BTS-27K AB-3500 BTA-15K BTS-6800 BTS-220K BTS-470K

BTS-2201 AB-75

BTS-2201 BTA-27K

BTS-1BOK

BTA-68K

BTS-33K

BTA-2201

BTS-470C

BT-2-68h DG-2500 BT-2-68J BTA-120» BT-2-39I" BTA-68K BT-2-68F BTA

-12011 BT-2-391* BTA-68K

DG-650 AB-1000 AB-3000 AB-2500

AB-2000 AB-2000 AB-2000

TRANSFC

RCA

PART

3

72176

72177

RCA

3

PAR'

37048

IRC

Me

!•

21

PAGE

28

IFICATION

CODES

10%

UNLESS OTHERWISE STATED.

R98 R99 R100 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110

Rill

R112 R113 R114A

R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129

R130 R131 R132

R133

R134

R135 R136 R137 R138 R139 R140 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151

R152 R153 R154 R155 R156 R157 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R168

R169 R170 R171

R172A

R173A

R174A

ITEM

No.

Tl

T2

ITEM

No.

T3

ITEM

No.

Note.

TV

eeoon

IMeg. 47000 3300Q 22KO 22KO 8200n 8200n

1. 2 Meg.

1.5

470Kn

2. 2

looon

8200n

looon

330Kn

i2sn

B

9500n 2700n

470Kn20%

470KO 470KO 470Kn

560O 22KO 47KO lOOKn 27KO 100,6% 27Kn

ssoon

15KO

6800n20% 220Kn 470KO

loon

100KO

33Kn

2200n

47000

68Kn

2450n

68KO

120KO

39Kn

68KO

B8EO

120KIJ

39KO

68KD

6400

B

9700 276TO

B

2520n

C

1800

20000

B

2ooon

C

200on

H7VAC

®

2.5A

117VAC

®1.55A

117VAC

at

PARTS

RATING

RESISTANCE

20% 20%

Meg.

20%

Meg.

5%

20% 20%

20%

100!!

20%

47020% loon

20%

ioon20%

47020% 220Kn

son

100(220%

2200O

20% 27Kn I80KO

4.

?n

4.

7n

4.

7O

1.5

Meg.

1.5

Meg.

1. 5 Meg.

1.5

Meg.

2. 2

Meg.

10

Meg.

10

Meg.

10

Meg.

10

Meg.

IMeg. 68KC

Not

used

in

PRI.

SEC.

900VCT

.260ADC

720VCT

.

180ADC

#

Drill

new

PRI.

SEC.

750VCT

1.07

A

.140ADC

WAns

I I

2 1

i I

~z

10 1

2

1 I

4 5

5 5

all

RATING

1

mounting

RATING

1

i

z

1

i

I

z

I

£ Y

i

2

i

2

~2

1

~Z

2.5 2 1

I

2

§

a

_L I

2

.1

i~

i

5

a

I

1 i

^

2

2 2 2 2 2 2 2 2 2

i 1

1

A.

1 T

2

16.5 2 1

2 1 2 1 2 1

10.5 9 10

3.5

models.

SEC.

5VAC

®6A

SEC.

6.

®3.3A

5VAC

®3A

SEC.

5VAC

at 3A

LIST

REPLACEMENT

RCA

PART

}

72171

48207

72631

72633 72633 72633

72184

t

72170

\0

J

48344 48344 48344

2

4

3VAC

holes.

2

AND

RESISTORS

DATA

No.

SEC.

6.

3VAC

Tap.®

5VAC

6.

3VAC

®7.2A

SEC.

6. at2A

PART

BTA-6800

BTS-1

BTA-4700

BTA-3300

BTS-22K BTS-22K BTS-8200

BTS-8200 BTS-1. 2 Meg. BTS-1. 5 Meg. BTS-470K BTS-2.2Meg.

BTS-1000 BTS-8200-5% BW-1-1000 BTS-330K

BTA-2700 BTS-470K BTS-470K BTS-470K BTS-470K BTS-560

BT-2-22K BTA-47K BTS-100K BTA-27K BW-i-10-5% BTS-27K AB-3500 BTA-15K BTS-6800 BTS-220K BTS-470K

BTS-220K AB-75

BTS-2200 BTA-27K BTS-180K

BTA-68K

BTS-33K

BTA-2200

BTS-4700

BT-2-68K

DG-2500

BT-2-68K

BTA-120K

BT-2-39K

BTA-68K

BT-2-68K BTA-120K BT-2-39K BTA-68K DG-650 AB-1000

AB-3000

AB-2500

AB-2000 AB-2000 AB-2000

TRANSFORMER

RCA

3

72176

72177

TRANSFORMER

RCA

3

3VAC

37048

DESCRIPTIONS

CCONTO

IRC

Meg.

PART

No.

2nd

Sync.

3rd

Sync. Grid

3rd

Sync. Decoupling Voltage Integrator Integral

Integrator Vert. Voltage Divider

Feedback Vert. Vert. Output Cathode Vert. Filter. Bias Bias Voltage Divider-Wire Voltage Horiz. Horiz. Horiz. Sync. Horiz. Horiz. Horiz. Horiz. Horiz. Voltage Divider Phase

Horiz. Osc. Grid Horiz. Osc, Horiz. Osc. Horiz. Peaking

Horiz.

Parasitic

Parasitic Parasitic Parasitic Parasitic Horiz. Output Grid Horiz. Output Cathode-Wire Parasitic Feedback Damper Damper HV HV

Filament-Wire

HV

Filament-Wire Voltage Divider Voltage Divider Voltage Voltage Voltage Voltage Voltage Divider Voltage Divider Voltage Voltage HV

Filter

Voltage

Bleeder Bleeder Bleeder Bleeder-Wire Bleeder Bleeder

Bleeder Bleeder Bleeder Bleeder

Bleeder Bleeder Bleeder Filter Bleeder-Wire Bleeder-Wire Bias

Bleeder Bleeder Bleeder

(POWER)

No.

(POWER)

No.

Divider

or

Osc.

Output Grid

Peaking

Filter Network-Wire

Divider Sync. Sync.

AFC

AFC AFC

Shifter

Discharge Discharge

Filament-Wire

Divider Divider Divider Divider

Divider Divider

Divider

-Wire

Network-Wire

-Wire

STANCOR

PART

P-6315

STANCOR

PART

P-6014

IDENTIFICATION

Plate

Grid

Wound

Disc.

Load

Disc.

Load

Disc.

Load

Filter

Network

Grid

Plate Screen Screen

Plate-Wire Screen

Grid Plate

Supp.

Supp. Supp. Supp. Supp. Supp. -See Note

Supp.

Grid Grid

Filter

Wound Wound Wound

Wound

Wound Wound

Wound

Wound Wound Wound

REPLACEMENT

No.

»

REPLACEMENT

No.

1

(Continued)

CODES

Wound

DATA

MERIT

PART

No.

PB-200

DATA

MERIT

PART

No.

PH-145

CHICAGO

PART

P-3063

CHICAGO

PART

P-2954

1

No.

T4 T5

T6

T7 TBA

ITEM

No.

T9

ITEM

No.

SP1

SP2

ITEM

No.

H L2

ITEM

No.

L3 L4

L5 L6

L7 L8 L9

L10 Lll L12 L13 L14 L15 L16 L17 L18 L19

L20 L21 L22 L23

L24

L25 L26 L27 L28 L29

ITEM

No.

Ml

thru

M13 M14

ITEM

No.

37O

IBOfl 18on

®30n

700!! 140 68O

B

IMPEDANCE

PRI.

HKO

CT

FIELD

CONE

12"

TOTAL DIRECT

CURRENT .255A

.180A

Ant. Interference Trap Interference Trap Fil. Mixer Trap 1st

Video Sound 2nd 3rd 4th

Video Sound 5th Peaking Peaking Peaking Peaking Peaking Peaking Peaking Fil. Choke Fil. Choke Fil. Choke Fil. Choke Fil. Choke 1st

Sound

2nd

Disc.

Width

Bayonet

Bayonet Bayonet

RATING

DC

RESISTANCE

PRI.

Tap

SEC.

2.30

RES.

loeon

DIA.

USE

Input

Choke

Grid

IF 6

Trap Video Video

IF

Trap

Video

IF

Sound

Trans.

Cont.

BASE

TYPE

34O

® 90

14000

SEC.

on

SEC.

on

SEC.

on

SEC.

2.

®

.46O&

.30

ion

RATING

RATINGS

RESISTANCE

75n

7on

IF IF

IF

SEC.

Tap.

1

2

3

4

960

600O

CT

V. C.

2. 3

V. C.

1

RATINGS

D. C.

on on on

on on .2n

.20

.10

.20 sn sn sn

4n

4n 2n 2n

on

on on on on on on on .10

tap.

PRI.

1/2"

DC

PRI.

O

DC

7.5

RES.

.sn

IMP.

DIA.

RES.

VOLTS

fl

714:

717'

721'

729 721!

SFC.

s

00 00

on on on

SCRIPTIONS

>CCONT.3

2nd

Sync.

Plate

3rd

Sync. Grid

3rd

Sync.

Plate Decoupling Voltage Divider Integrator Integral

or Integrator Vert.

Osc.

Grid Voltage Divider Feedback Vert.

Output Vert. Vert. Filter. Bias Bias Voltage Divider-Wire Voltage Divider Horiz. Horiz. Sync. Horiz. Sync. Horiz. Horiz. Horiz.

Horiz. Horiz. Voltage Divider Phase Horiz. Horiz. Horiz. Horiz. Peaking Horiz. Horiz. Parasitic

Parasitic Parasitic Parasitic Parasitic Parasitic Horiz. Horiz. Parasitic Feedback Damper Grid

Damper

HV HV

HV Voltage Divider Voltage Divider Voltage Divider Voltage Voltage Divider Voltage Divider Voltage Divider Voltage Voltage Divider Voltage Divider HV Voltage Voltage Divider

Bleeder Bleeder Bleeder Bleeder-Wire Bleeder Bleeder Bleeder Bleeder Bleeder

Bleeder

Bleeder Bleeder

Bleeder

Filter Bleeder-Wire Bleeder-Wire Bias Bleeder-Wire Bleeder-Wire Bleeder-Wire

R

Grid

Output

Cathode

Peaking

Filter Network-Wire

Sync.

Disc.

Disc. Disc.

AFC

Filter

AFC

Grid

AFC

Plate

AFC

Screen

AFC

Screen

Shifter

Osc.

Grid

Osc,

Plate-Wire

Osc.

Screen

Discharge Discharge

Supp.

Supp. Supp. Supp. Supp. Supp.

Output

Grid

Output

Cathode-Wire

Supp.

Grid

Filter Filament-Wire Filament-Wire Filament-Wire

Divider

Filter

Divider

Wound

-Wire

Wound

-Wire

Wound

Wound Wound

Network-Wire

Wound Wound Wound

(POWER)

REPLACEMENT

STANCOR

PART

No.

P-6315

1

(Continued)

IDENTIFICATION

Wound

Load Load Load

Network

Wound

Grid Plate

-See

Note

Wound

DATA

MERIT

PART

No.

PH-200

CODES

CHICAGO

PART

P-3063

No.

T4

T5 T6

T7 T8A

ITEM

No.

T9

ITEM

No.

SP1

SP2

ITEM

No.

LI L2

ITEM

No.

L3 L4

L5 L6

L7

L8 L9

L10 Lll

L12 L13 L14 L15 L16 L17 LIB

1,19

L20 L21

1,22

L23 L24 L25 L26 L27 L28 L29

ITEM

No.

Ml M8

thru

M13 M14

ITEM

No.

3TO

ieon

180n

®30n

7oon

14n

B

68n

IMPEDANCE

PRI.

iixn

CT

FIELD

CONE

12"

TOTAL DIRECT

CURRENT .255A

.180A

Ant.

Input Interference Trap Interference Trap Fil. Mixer Trap 1st

Video

Sound

2nd

Video 3rd

4th

Video

Sound

5Ui

Video Peaking Peaking Peaking Peaking Peaking Peaking

Peaking Fil. Fil. Choke Fil. Choke Fil. Fil. Choke 1st

Sound

2nd

Sound Disc. Width

Bayonet

Bayonet Bayonet

RATING

DC

RESISTANCE

PRI.

Tap

SEC.

2.sn

RES.

loeon

DIA.

USE

Choke

Grid

IF

Trap

IF

Video

IF

Trap

IF

Choke

IF

Trans.

Cont.

BASE

TYPE

SEC.

34n

Tap.

®

SSI

1400n

SEC.

on

SEC.

2

on

SEC.

on

SEC.

2.96ntap.

®

.46O&

.sn

ion

RATING

eoon

CT

RATINGS

RESISTANCE

75S!

7on

S»

1

3

4

PRI.

V. C.

2.

V. C.

1

1/2"

D.

on on on

on on

.2n

.an .2n .2n .in

.2n sn sn

50

4n

4fl

2fi

2n on

on on on on on on on .in

TRANSFORMER

RCA

PART

71428

71775 72178

72952 72196

TRANSFORMER

DC

RES.

SEC.

.3n

IMP.

3 n

DIA.

INDUCTANCE

C.

(0

1. 8

2.2

DC

RES.

PRI.

SEC.

on on

on on on

VOLTS

7.5

No.

RCA

PART

71661

RCA

PART

71144

CURRENT

1000

•/•)

Henries Henries

71501

73239

73239 71505

71506 71495

71423 71425 73708 71422 71426 71529 71526 71529 71527 72619 72618 71793 71505 71505 71505 71505 71505 71424

71424 71427 72180

AMPS.

.2

.2 .15

A-8121

A-8115

No.

REPLACEMENT

No.

RCA

PART

72179 72167

REPLACEMENT

RCA

PART

No.

BEAD

COLOR

White

White Blue

REPLACEMENT

STANCOR

PART

No.

REPLACEMENT

STANCOR

PART

No.

A-3823

SPEAKER

JENSEN

PART

ST-744

MOD.

F12-S

FILTER

,

No.

COILS

DIAL

11765

(SWEEP

DATA

PART

TBO-1

TSO-1

(AUDIO

DATA

MERIT

PART

RO-110

DATA

No.

PART

12E10

CHOKE

REPLACEMENT STANCOR

PART

No.

C-2326 C-2325

(RF-IF)

DATA MEISSNER

PART

No.

LIGHTS

REPLACEMENT

RCA

PART

No.

CIRCUITS)

MERIT

No.

OUTPUT)

CHICAGO

No.

PART

A-2901

GUAM

No.

DATA

PART

TR-4225

f

TR-4225

f

Part

of

Part

of

Part

of

Part

of

Part

of

Part

of Includes Includes Includes Includes

120

microhenries

250

microhenries

120

microhenries

93

microhenries

93

microhenries

20

microhenries.

36

microhenries.

Includes Includes 10MMF Includes

DATA

CHICAGO

PART

No.

A-4009

CHICAGO

PART

C-2991

C-2974

includes

capacitor. capacitor. capacitor capacitor.

wound

and and

and

Type

Type Type

INSTALLATION

No.

f f

NOTES

68MMF

on

33MMF 33MMF

47MMF

*51

#51

Radio

»47

No.

MERIT

No.

tuner.

tuner includes 10MMF

tuner includes 10MMF tuner.

tuner. tuner

43MMF 56MMF 56MMF 75MMF

10MMF

2-56MMF

Hor.

Osc.

Vert.

Osc.

Hor. Output

Vert.

Output

Hor.

Deflection

Vert.

Deflection Coil

NOTES

INSTALLATION

t

Drill

mounting

capacitor.

(not

in

set).

22Kn

resistor.

22Kft

resistor.

lOKn

resistor.

capacitor. capacitor.

capacitor.

NOTES

dial

NOTES

Transformer

Trans.

Coll

NOTES

one

new

hole.

band

lights

oo

O

•H

m

N

oo

Qs

T>

£

r»

is

!R

(POWER)

STANCOR PART

P-6014

REPLACEMENT

No.

^

DATA

PART

PH-145

MERIT

No.

CHICAGO

PART

P-2954

No.

1

PAGE

29

M2 M3 M4 M5 M6 M7

ITEM

No.

TV

PARTS

PART

RF

Tuner Power Switch Interlock Switch High

Peaking Switch

Remote

Control Switch Fuse Cabinet

Back>.

Cabinet

Back

Knob Knob Knob

1

Knob

/

Knob

?

Knob

\B

Knob

8PCS41C

Knob Knob

/

Knob

/

Knob

/. Mirror Lens Cabinet Back

Knob

>

Knob

/

Knob

y

Mirror Mirror

NAME

\t Back

™™%*

8PCS41

~\t Back

648PV

LIST

\b

1

AND

MISCELLANEOUS

RCA

PART

No. KRK2A 70155 73212 30953 738S2

73151

73210

73211

73245

71536 72569 71534 72568 71535 72565 71533 72567

71821

72800 72824 71822 70145 72186

MODEL

73481 73418 71883

71821

71536 71533

71534 71535 72187 73325

DESCRIPTIONS

NOTES

Type

MDL 2. 8A Mahogany Walnut Toasted

Mahogany

Brightness

and

Hor. hold

for

Brightness

and

Channel

selector

Channel

selector

Contrast

and

Contrast

and

Fine

tuning

Fine

tuning

Volume

and

Volume

and

Remote

control switch brown

Remote

control

45

degree

mirror.

Corrector

lens. Walnut Mahogany Radio

tone control

Radio

tuning,

Horiz.

hold

Fine

tuning

Channel

selector.

Vert,

hold

Spherical

mirror

Spherical

mirror

Hor. hold

for for

Vert,

for

walnut

for

toasted mahogany instruments. power power switch

switch maroon

volume

and

brightness

and

contrast

for for KRK 4 (12

walnut

for

toasted

walnut

and

toasted

mahogany

hold

for

walnut

hold

for

toasted

and

mahogany instruments.

switch

for

walnut

for

toasted

for

control-On-Off

KRK

1A

mahogany

(Continued)

and

mahogany instruments.

mahogany

instruments.

and

hmahogany

mahogany instruments.

and

mahogany instruments.

toasted

walnut

switch

inch).

tnstrucments.

mahogany instruments.

or

mahogany

instruments.

and

selector

switch

.

V42 V43 V44 V45 V46

V47 V48 V49

C135 C136 C137 C138 C139 C140 C141 C142 C143 C144 CHS C146

C147 CHS C149 C150 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C171 C172 C173 C174 C175 C176

cm

C178 C179 C180

ITEM

No.

ITEM

No.

RF

Amp.

Mixer Oscillator

1st IF 2nd

FM IF

Phono

3rd

FM IF

Ratio DET.

RATING

CAP.

15 5

5 330 82 180 220 100

.003 220 330

5.6 56

.003 .003

6.8 18 100 180 .01

180

.005 .01 .05

100

.005 .005 .01 .005 .002 .01 .01 .005 .005 .005 .005 .005 .005

1000 .05 .003 .005 .01 .01 .015 .015

USE

Amp.

Del.

-AVC-AF

VOLT

300 50 50

200

200 200

400 500 400 400 200

200 200 600 400 400 400 200 400

400 400 400

200

200 200

200 200 400 400 200 200

RADIO

RCA

PART

6BA6 6BA6 6BE6 6BA6

-

6AU6 6AU6 6AL5 6AT6

Capacity

values

and

Paper

RCA

PART

No.

32223

72121 72121 71919 71514

71922 71920 39396

71921

71920

71919

71930 71924

71921 71921

39043 39396

71922 71925 71933 71553 71925

71551

39396 71926

71926 70631 71553

71927 71925 71923 71553 71553 71553 71553 71926 71926 71929

71551 71921

71926

71925

71925 72120 72120

PARTS

TUBES

'

given

REPLACEMENT DATA

AEROVOX

PART

No.

AF2I PRS150/4 PRS150/4 CN330KN750 GP100K CN180KN750 GP220M GP100M P285-003 GP220M CN330KN750 GP5K GP51K P285-003

P285-003

GP18K GP100K

CN1BOKN750

P485-01 1468-0002 P485-005 P485-01 P285-05 GP100M P285-005 P285-005 P688-01 P485-005 P485-002 P485-01 P285-01 P485-005 P485-005

P485-005 P285-005 P285-005 GP1000M P285-05

P285-005 P488-01

(SYLVANIA

REPLACEMENT

6BA6

6BA6 6BE6 6BA6

6AU6 6AU6 6AL5 6AT6

REPLACEMENT

No.

Capacitors,

P485-005

P285-003 P488-01 P285-015

P285-015

LIST

DATA

STANDARD

CAPACITORS

in the

rating

and in

mmld.

CORNELL-

DUBILIER

PART

No. UP1AJ57 BR550 BR550

5W5T1 5W5T25

5W5T1 ZYW4D5 5W5T25

5W5V5 5W5Q5 ZYW4D5 ZYW4D5

5W5T1 ZNW4S1

5W5T2 ZYW4D5 ZNW4S1

ZYW1S5 5W5T1 ZYW4D5

ZYW4D5

PTE6S1

ZYW4D5 ZYW4D2

ZNW4S1 ZZW1S1 ZYW4D5 ZYW4D5 ZYW4D5 ZYW4D5 ZYW4O5 ZYW4D5

1W5D1

ZYW1S5 ZYW4D5 ZYW4D5 PTE4S1

PTE4S1 PTE6S15 PTE6S15

AND

or

Equivalent)

RMA

BASE TYPE

7BK 7BK 7CH 7BK

7BK 7BK 6BT 7BT

column

lor

Mica

ERIE

PART

No.

N750M-330 GPIK-100 N750L-180 GP2K-220 GPIK-100 GP2M-003 GP2K-220 N750M-330 NPOK-5 GP1K-56

"

GP2M-003

GP2M-003 NPOK-6. GP1K-18 GPIK-100 N750L-180 821-01

GP2K-180

811-005

821-01 GPIK-100

811-005

821-01 811-005 GP2M-002 821-01 821-01 811-005 811-005 811-005 811-005 811-005 811-005 GP2L-001

GP2M-003

811-005 821-01

821-01

DESCRIPTIONS

NOTES

'

Radio

Chassis

RK121

used

with

are in

mfd.

(or

Ceramic

SPRAGUE PART

No.

EL-203 TA-55 TA-55

1FM-31

1FM-325 1FM-31 68P3

1FM-325 MS-55

1FM-45 68P3 68P3

1FM-31 68P8

1FM-32 68P6 68P8 68P16 1FM-31

68P11 58P11 TM-11

68P6 68P27 68P8 68P14 68P6 68P6 68P6 68P6

68P11 68P11

1FM-21 68P16 68P3

68P11

68P8 68P8

Electrolytic

Capacitors.

IDENTIFICATION

INSTALLATION

Decoupling

3rd

IF

Grid

Stabilizing

Cap.

Fixed Padder

RF

Coupling

Fixed Trimmer

RF

Coupling

AVC

Filter

RF

Screen Bypass

RF

Coupling Fixed Padder RF

Coupling RF

Coupling Mixer Cathode Bypass Mixer

Screen Bypass

Osc.

Coupling Osc. Grid Cap. Osc. Grid Cap. Fixed Trimmer Osc. Feedback Osc.

Anode Decoupling Mixer AVC

Filament

RF

1st RF 1st IF

2nd Audio 2nd 2nd 3rd 3rd IF 3rd Diode Diode Load Cap. RF AVC AVC

De

Audio Audio Tone Tone

Bypass

Plate

Filter

Bypass

IF

Screen Bypass

Bypass

Plate

Decoupling

IF

Screen Bypass

Coupling

IF

Filament Bypass

IF

Plate

IF

Grid

Screen

IF

Plate

Load Cap.

Bypass

Filter Filter

-emphasis Coupling Coupling

Compensation Compensation

and

8

RCA

648PV

CODES

AND

NOTES

Filter

Decoupling

Filter

Bypass

Decoupling

PAGE

3O

RADIO

ITEM

No.

CAP.

.05

C181

C182

.005

C183

.05

C184

.005

C185

.01 .0012

C188 C187

.01

C188

.01

ITEM

No.

RESIST-

R175

1. 5 Meg.

R176

2

Meg.

R177

IMeg.

ITEM

No.

RESISTANCE

R178

IMeg.

R179

IMeg. 4700B

R180

390B

R181 R182

2200B

R183

3. 9 Meg.

R184

27Kn

R185

2200B 2200B

R186 R187

3B

R188

ion

R189

UKI)

R190

i5Kn

R191

8200n

R192

loon

R193

22

R194

loon

R195

1000B

R196

2200n

R197

270Kn

R198

22KB

R199

15KB

R200

18KQ

22KB

H201

R202

22KB

R203

2200B

R204

15Kn

R205

22KB

R206

IOOOB

R207

1000B

R20B

15KB

R209

22KH

R210

2. 2

R211

2. 2 Meg.

R212

270KB

R213

270n

R214

270KB

R215

22KB

R216

27KB

R217

180Kn

R218

2. 2 Meg.

R219

22KB

R220

470KB

R221

2. 2 Meg.

R222

100KB

R223

180KB

R224

IMeg.

R225

22KB

ITEM

No. L30

AM

Ant.

L31

FM

Ant.

L32

SW

Ant.

L33

RF

Choke

L34

AM

RF

L35

FM

RF

L36

SW

RF

L37

AM

Osc.

L38

FM

Osc.

L39

SW

Osc.

L40

1st FM IF

L41

st

AM

L42

2nd

FM IF

L43

2nd

AM IF

L44

3rd

FM IF

L45

)river

L46

Etatjo

Trans.

L47

Fil. Choke

L48

Fil. Choke

L49

Para.

ITEM

No.

M16

M17 M18 M19

RATING

VOLT

200 200 200 400 400 400 200 600

RATING

ANCE

RATING

Meg.

USE

Coil Coil

Coil

IF

Trans.

Det.

Supp.

PART

Switch Switch Bandswitch Tuning

Cap.

PARTS

RCA

PART

No.

71551

71926

71551

71553 71925

72117

71923 71588

RCA

WATTS

PART

No.

71596

38401

38405

RCA

16B OB

.in

16 41B

on

OB

on on .1

EC

.3B

A

\

^

1

\

1 i

1 1

Y ?

I f I f I

f .

'

1

'

•

'

,

'

•

;

• '

2

!

PRI.

n

i

B i

1

a

DC

RES.

6fl 6B .

PART

72323

SEC. PART 2B On .IB

3.

SB

.

312

71846 .3B

. 3n

2B

WATTS

4f

6f

.3B

.an

.1

.5B .5B OB

NAME

LIST

AEROVOX

PART

P285-05 P285-005 P285-05 P485-005 P485-01 P485-0015 P285-01 P688-01

REPLACEMENT

PART

Q18-139XX Q13-139 Q13-137

REPLACEMENT

No.

RCA

72071

71940

71856

71939

71857

71938 71854 71852 71937 71853

71845

71847

71848

71849 71935

71934 71942 71942 30492

RCA

PART 72062 72517 72063

AND

REPLACEMENT

No.

DESCRIPTIONS

DATA

CORNELL

DUBILIER

PART

No. PTE4S5 ZYW4D5 PTB4S5 ZYW4D5 PTK4S1 ZYN6D1 ZZW1S1 PTE6S1

CONTROLS

DATA

CLAROSTAT

IRC

No.

PART

No.

T-95

M-66-Z M-63-Z

RESISTORS

DATA

IRC

PART

No.

BTS-1 Meg. BTS-1 Meg.

BTS-4700 BTS-2200

BTS-3.9Meg. BTS-27K BTS-2200 BTS-2200 BW-i-3.

3

BTA-10K BTA-15K BTS-8200 BW-1-100 BTS-22

Meg.

BTS-1000 BTS-2200 BTS-270K BTS-22K BTS-22K BTS-18K BTS-22K BTS-22K BTS-2200 BTS-15K BTA-22K BTS-1000 BTS-1000

BTS-15K BTS-22K BTS-2. 2 Meg. BTS-2. 2 Meg. BTS-270K BW-i-270 BTS-270K BTS-22K BTS-27K BTS-180K BTS-2. 2 Meg. BTS-22K BTS-470K BTS-2. 2 Meg. BTS-100K

BTS-180K

BTS-1 Meg.

BTS-22K

COILS

REPLACEMENT

No.

(RF-IF)

DATA

MEISSNER

PART

MISCELLANEOUS

No.

On-OB

TV

power

ERIE

No.

control,

control

Supp.

Shunt

Decoupling

Grid Screen Screen Screen Plate Grid Screen Plate

SPRAGUE PART

68P16

68P11

68P16 68P6 68P8

68P1

68P14

TM-11

Decoupling

PART

811-005 811-005

821-01 GP2L-0012 821-01 821-01

Volume Bass Treble

FM

Ant. Loading

HF

Grid

RF

Screen Mixer Cathode Mixer Cathode Mixer Grid Mixer

Screen Mixer Decoupling RF

Coil Shunt

Series

Dial Lamp-Wire Wound Parasitic Osc.

Screen

Osc.

Plate

Osc.

Coi Decoupling Delayed

AVC

1st

IF

Cathode

1st IF

Screen

1st

IF

Plate Diode Load Diode

Filter

2nd

FM IF

2nd

FM IF

2nd

FM IF

2nd

FM IF

2nd

FM IF 3rd FM IF 3rd

FM IF 3rd

FM IF Decoupling De-emphasis

Ratio Det. Diode Load AVC

Network

AF

Grid

AF

Plate

Isolation

Tone Compensation

Tone Compensation Tone Compensation Phono Input shunt Tone Compensation Tone Compensation Bias

Network

Bias

Network

Bias

Network

Bias

Network

AVC

Network

AVC

Network

No,

No.

Audio Tone Bias Tone Tone Tone DET-AVC-AF Line

INSTALLATION

tapped

at

IDENTIFICATION

NOTES

(Continued)

IDENTIFICATION

INSTALLATION

Coupling Compensation Filter

Compensation Compensation Compensation

Filter

NOTES

250KB

and

CODES

NOTES

AND

Fil.

500KB

CODES

NOTES

Bypass

•O

n

"s »§

co

o

^B

33

^\

00

3>£

N?

n wt

PAGE

31

HORIZONTAL SWEEP

CAPACITOR

CHASSIS-BOTTOM

IDENTIFICATION

VIEW

PAGE

HORIZONTAL SWEEP

RESISTOR

32

CHASSIS-BOTTOM

IDENTIFICATION

VIEW

@)

@@)@(RJ34)@)(TG)

(CJ30)

The Turn Remove Loosen Push

Release Repeat Check

change,

HORIZONTAL

RADIO

push buttons

the set on and

the

repeat

the

push button

the

lock screw

push button

the rod and

the

above procedure

the

setting

the

may be set for any

allow

by

and

rod in

tighten

of

each button

adjustment procedure

desired

ten

minutes warm

pulling forward

carefully tune

until

it is

the

lock

screw.

for

each push button.

by

carefully

SWEEP

PUSH

stations,

up.

and

note

in the

desired

against

the

tuning

above.

BUTTON

either

AM,

the

lock

screw

station

stop.

in the

station

CHASSIS-TOP

ADJUSTMENT

FM

or

shortwave.

under

the

button.

manually.

the

button

is set

for,

and

then

pressing

VIEW

the

push button.

If

there

00

oo

So

is any

DIAL

CORD

3

1/2

TURNS

STRINGING

PAGE

33

1.

VERTICAL ADJUSTMENTS

a.

Turn

the

vertical

centering control

b.

Adjust

the

height control

c.

Adjust

the

vertical

linearity control

The

height

and

vertical linearity

2.

HORIZONTAL

While

to

another channel

Now

when

the

If

the

normal

3.

SLIGHT

If

the

oscillator

Tune vertically. failed

to

horizontal

4.

COMPLETE

Tune Turn

the and off the is

when

Turn counterclockwise left

side

Turn

over

; if it

Momentarily clockwise

Turn

If

the

pull-in

range. However,

5.

HORIZONTAL

Turn

Adjust

necessary).

Adjust Adjust

to

properly center

OSCILLATOR

receiving a television

and

turn

signal

picture

or

stable

receiver failed

by

in a TV

Adjust

"sync".

hold

in a TV

contrast control

raster.

the

end-of

the

of the

the

does

until

the

picture

the

the the

back again.

the

horizontal hold control

is

restored.

"syncs"

proceed

RETOUCH

ALIGNMENT

making slight

horizontal hold control

horizontal drive clockwise

horizontal linearity control

width control (B3) horizontal centering

in the

station

and

the

contrast

Momentarily remove

control

as

HORIZONTAL

station

and

If

ripples occur

the

adjusting

to the

point where

raster

but

readjust

Bl.

remove

the

picture falls

fails

to

synd

if the

WIDTH

the

picture

SWEEP

so

test

ALIGNMENT

signal

The

properly under

with

the

horizontal

above check

adjustments.

adjust

the

control

outlined

in

OSCILLATOR

adjust

the

to

slightly

less

in the

screw protrudes approximately } inch

fully the

does

not

fold

fully

signal.

When

into

"sync".

fully

after momentary removal

picture will pull-in

AND

LINEARITY ADJUSTMENTS.

so the

to

on the

screen.

CIRCUIT

so

test

pattern

is

pattern fills

cpntrols

turn

picture should pull back into

fine to the

step

fine

over.

picture fills

align

the

mask

for

proper

vertical

are

interacting

CHECK

the

horizontal

fully

clockwise

and

these

checks,

it is not

oscillator

alignment.

at

either extreme position

tuning control

slightly

less

signal.

2.

tuning control

than normal.

raster,

counterclockwise

picture just pulls into synchronization. Readjust

clockwise.

the

counterclockwise.

as far as

so the

the

than

Adjust

ALIGNMENT

Adjust

turn

Bl

The

signal

is

restored,

of the

through

possible

picture

is

the

mask horizontally.

picture

with

centered

vertically.

symmetry

and

hold

control

momentarily

necessary

for

best

normal.

B2

until

the

for

best

Bl

until

clockwise

and

adjust

right side

the

The

picture should fall

signal

3/4 of the

without

symmetrical

the

mask.

ADJUSTMENTS

on the

screen

vertically.

of

test

pattern

steps

la and

Ib

should

be

alternately adjusted

fully

counterclockwise.

synchronization.

remove

the

to

align

the

of the

horizontal hold

sound quality.

Turn

picture pulls into synchronization. Check

sound

until

B2

of the

picture should pull into synchronization.

at

hold control

crowding

In

the

horizontal

quality.

the

blanking

the

unstable condition

from

the

clockwise until

picture should

both extremes

the

righthand

from

left

some

cases

Adjust

bar

bushing.

into

range,

to

Remove

signal.

The

picture should again pull back into synchronization

horizontal

oscillator.

cor'rol,

it may be

vertical hold control hold

control

to the

the

vertical

which

the Bl so

be

synchronization after momentary removal

of the

operation will

side

right (slight readjust

it may be

hold control

may

appear

is

removed.

picture fails

that

the

near

the

right

horizontal

of the

picture.

necessary

left

for

optimum

the

signal

momentarily

However,

if

possible

to

synchronize

extreme

position

the

"pull-in"points

to

sync

in the

picture, moves

The

correct

to

synchronize.

side

of

the

picture

side

of the

raster

If it

does not, turn

hold control, there be

satisfactory.

of the

horizontal drive

to

shift

the

picture tube

the

to

the setting

Now

results.

by

picture

align

the

picture

where

picture

to the for

slowly turn

is

close

but

should

may be

switching

is not

horizontal

the

picture

of the

vertically.

right

this adjustment

B2

to the

not

fold

B2

counter-

of the

signal.

insufficient

may be

in the

holder

PAGE

35

RCA 8pcs41, 9pc41 schematic

Specifications and Main Features

Frequently Asked Questions

User Manual