RCA 21 s 348 schematic

PHOTO

TRADE

NAME

RCA

MANUFACTURER
TYPE

SET

TUBES

POWER

SUPPLY

TUNING

RANGE

Alignment
Disassembly
Horizontal Sweep
Parts

Photographs

"The
case a recommendation,
os

to the
parts
Inc.,

"Reproduction

Instructions

Instructions

List

and

Cabinet-Rear
Capacitor Identification
Chassis-Top
RF

Tuner

14, 21

Resistor

Identification

listing

of

any

available

quality

and

hove

by the

suitability

been

compiled from information furnished

manufacturers

or

use, without

FACT*

VOLUME

Folder

CONTRAST

CONTROL CONTROL

ON-OFF

SWITCH

RCA

Victor

MODELS

21-S-362M,
21-S-362MU,
21-S-354
21-S-353, 21-S-355
21-S-353G, 21-S-354G, 21-S-355G,
21-S-357G, 21-S-359G, 21-S-362G
21-S-367G,
21-S-353U, 21-S-354U, 21-S-355U
21-S-353GU,
21-S-357GU,
21-S-367GU,
21-S-348, 21-S-348G
21-S-348G
21-S-348GU

RCA

Television
Twenty-two
110-120

-

Circuit

Descriptions

View

View

HOWARD

replacement

warranty

of

of the

express

Channels 2 thru

5

22

Adjustments

15

13

4, 9

3

23, 24

W.

part herein

or

guaranty

such

particular

by

replacement

type

permission,

VICTOR

21-S-367

21-S-367U

KCS83C

21-S-369G

21-S-354GU, 21-S-355GU,
21-S-359GU, 21-S-362GU,
21-S-369GU

KCS83PL

...

Victor

Div.,

Receiver

Volts

AC-60 Cycle

13

SAMS & CO., INC. • Indianapolis

does

not

Howard

W.

Sams & Co.,

part.

The

numbers

to

Howard

of

replacement part

of

editorial

MODEL

21-S-354

KCS83

KCS83A

KCS83C

KCS83PK

KCS83D

KCS83PJ

Radio Corp,

13

VHF,

14

KCS83C

.......

..........

of

America,

•
thru

83

UHF, Video

RATING

INDEX

thru

thru

19

constitute

W.

Sams & Co.,

or

pictorial

8

in any

of

listed."

Photographs (Cont)

Resistance
Servicing
Schematic (Alternate
Schematic (TV)

Trouble Shooting Aids
Tube
Tube
Tube

tent,

Inc.,

these

con-

the
Sams & Co.,
ternational
Union U 910)

DATE

Trans.,

Failure
Placement
Placement

in

any

use of the

6-54

CHANNEL

SELECTOR

CHASSIS

.. , KRK29

.KRK29A/27

..............

........

or

KCS83D

KRK29A/27

or

KCS83PM

Camden,

1.9

IF

45.75MC,

Inductor & Alignment Identification

Measurements

in the

Field
2

Check

Chart (Bottom
Chart (Top

manner,

is

prohibited.

information contained

Inc.,

Indianapolis

Copyright Union.

by

Howard

.....

KCS83PC - "G",

KRK22C

KCS83PD - "GU"...

.KRK29

KRK22C

KRK29A/27
N.J.

Amp.

® 117

Sound

11

22

Tuners).......................

.............................

Chart

.............................

View)

View)

5,

Indiana

No

patent

5,

Indiana,

All

rights

W.

Sams & Co.,

FINE

TUNING

TUNER

...

KRK29B

KRK29

KRK29

KRK29A/27

Volts

AC

IF

41.25MC

(Intercarrier)

......

11

10

liability

is

he-rein.

U. S. of

reserved

Inc."

assumed

Copyright 1954

America. Copyright

under

Inter-American

Printed

in U. S. of

with

by

Howard

SET

19

20,25

12, 21

10

respect

to

W.

under

In-

Copyright

America

242

FOLDER

O ft

>

5-

<•>

»

Ul

>

KiOiO

y»

o

2

feoB

Nl C W

O C

v>

* *

CO

O

K>

£

C

7^

00

>

w»

>

c

co

O

>

01

N

b> N o

T Q c

Soy

* c r

«o>

v»

O

K>

to

N

T

Oi

^>

A

>

8>^C

oo

to

w w

2.

CO

to

<D

O>

Oi

u> u Jk

^O^

8

•

MKASURED

KttOl

CHANNEL

SELECTOR

SWITCH

SHOWN

IN

CHAHN

SW

ON

VOLUME

CONTROL

^Sc

BLJbRIO

N

WITH

CONTROLS

A

PHOTOFACT

STANDARD

©Howard

W.

§

RED-GR«

NOTATION

Som! & Co., Inc.

RED

280VAC

4-

SCHEMATIC

1954

LV

RECT

»)5U4G

PAGE

2

I

©]_

@IZ

r

MM"

^-N

g&j:

®

@,.

,

i

''>

©i

-L.,,

®£330K

@:

i©

<"'"

^

®

>

-

'•&

!

,™, A Hi

RCA

VICTOR MODELS

GU, U,

21-S-355,

GU, M, MU,

21-S-348,

G, GU, U,

21-S-367,

21-S-357G,

G, GU, U,

G, GU,

21-S-369G,

21-S-353,
GU,

21-S-359G,

G, GU, U,

GU

(Ch.

21-S-354,

GU,

21-S-362G,

KCS83 Series)

G,

G,

-S-362G,
21

21-S-354,

GU,

KCS83 Series)

(Ch.

G, GU, U,

-S-359G,

GU

1

GU, 2

21-S-353,

GU,
G,

21-5-348,

VICTOR MODELS
RCA

SISSVHD

1-S-369G,

dOl

21-S-357G,

G, GU, U, 2

M3IA

GU, U,
G,

21-S-367,

-S-355,
M, MU,

U, 2 1

GU,

GU,

O

u

UJ

o

00

tr

<

X

tn

U

z

LU

Q

oe,

O

^

u

u
~

G,

Series)

21-S-362G,

21-S-354,

GU,

KCS83

(Ch.

G, GU, U,

GU

21-S-359G,

C»U,

21-5-353,

21-S-369G,

G, GU,

21-S-357G,

G, GU, U,

21-S-348,

GU, U,
G,

21-S-367,

21-S-355,

VICTOR MODELS

GU, M, MU,

GU, U,

RCA

The

high voltage shock

The

antenna matching unit

In

place.

If

a new

antenna unit

facilities.

The FM

trap,

to

the

channel

(grid)

of

6CF6

The

matching unit

capable

oLwithstanding

to

point

U^
Connect
The

DUMMY

ANTENNA

Two

Carbon
Resistors

The

new
trap
jumper
the
Connect
terminal
outlined
Connect
The

Leave
three printed
Connect

DUMMY

ANTENNA
Direct

. Set the

the

synchronized sweep voltage

sweep generator output lead should

130 n

Across

minals

lead.

antenna matching
antenna

unit

(A49)

may be

to

connect

first video

the

ends

to

chassis

under

the

synchronized sweep

sweep generator

bias

connected

the

synchronized sweep voltage

High
to

terminal * B".

"

hazard

is

installed,

L7,

may be

selector

switch.

(V4).

Remove 6CF6 (V3)

cover

must
considerable
potentiometer

SWEEP

GENERATOR

COUPLING

antenna ter-

with

130J2

unit

is

installed,

aligned

point

Vvon

IF

amplifier
of a

lOOOfi

and

connect

steps

1,

2 and 3 for

output

as

under " antenna matching

circuit

type video

SWEEP

GENERATOR

COUPLING

side

to

terminal

'A"

of

L27.

Low

"

has

aligned

in

has

without
(6CF6)

potentiometer

"

.

0015MFD

High

side

to

Ceramic

Capacitor

Low
is. Use
leads.

side

point

to

tuner

very short

ALIGNMENT

may be

eliminated

KRK29

been properly aligned

the RF

unit should

without

Use a

be in

adversely

short jumper

from

place

during

current

arm to

from
be

terminated with

SWEEP

GENERATOR

FREQUENCY

its
drain.

obtain

each

50MC
(20MC

Swp)

KRK22C

been properly aligned

the RF

unit

should

adversely

*-ne

the
voltage

lead should

IF

side

<^N

.

cHass-

affecting

matching

unit

from

its

socket.

across

potentiometer

"KRK29

or

£rom

be

terminated

VIDEO

transformers. Location

from

SWEEP
GENERATOR
FREQUENCY

Not

used

44MC
(10MC

Swp)

ALIGNMENT

INSTRUCTIONS-READ

by

removing

KRK29A

factory.

realigned.

the

connect point

N/

Connect

the

volts

at

point

its

characteristic

MARKER

Mod)

MATCHING

at the

factory.

Alignment

the

unit.

Disconnect

a .

001MFD

matching

volt

battery

point^N.

antenna

matching

with

its

characteristic

alignment

of

these transformers

generator

MARKER

SMC

SMC

SMC

SMC

the

ANTENNA

alignment

positive

to

CHANNEL

Any

unit

to the

(MODELS

".

CHANNEL

4

OR

at the

be

affecting

to

socket.

alignment.

Connect

-5

the

sweep generator

GENERATOR
FREQUENCY

45.75MC
(400tiMod)

41.25MC
(4001,

50MC
52MC
53MC

ANTENNA

be

realigned.

through

The

a 7. 5

arm to

KRK29A

the

sweep generator

IF

ALIGNMENT

unit

the

sweep

GENERATOR
FREQUENCY

44.

45.

43.0MC

47. 2 SMC

42.

45.75MC

47.25MC

42 . SMC

45.0MC

45.75MC

46.

INSTRUCTIONS

CAREFULLY

horizontal

The RF

Alignment should

^A\n the

the

U^.

ule

The RF

capacitor

cover must

capable

Set the

Turn

to the

Any

not
used
locally

"

BEFORE

oscillator

is

tube (V16)

UNIT

aligned

MATCHING

unit

not be

of the

unit. Disconnect

matching unit thru a .001MFD

ends

of a

lOOOSi

terminal
horizontal

impedance,

Vert.

<B> . Low

Vert. Amp. thru
detector
pointOv> . Low
to

chassis.

UNIT

unit

should

the

to Pin 1

of

potentiometer

unit

alignment.

horizontal

impedance, usually

21-S-354 & 21-S-362,

AGC

horizontal

Use
probe
Common

Verta
detector
pin 5
(V3) . Low

chassis.

Veri.

Miy

chassis.

potentiometer

to

chassis

input

of the

usually

CONNECT

SCOPE

Amp.

to
side

(Fig.l)

ALIGNMENT

is

aligned

be

attempted

lead

from

pointO^to

(grid)

be in

place during alignment.

withstanding considerable current

input

of the

control

fully

and

their A numbers

input

of the

CONNECT

SCOPE

VTVM.

DC-

to

point

to

chassis.

"

"

"

Amp. thru

(Fig.l)

(plate)

of

side

Amp.

to

• Low

side

ATTEMPTING

ALIGNMENT

from

its

socket.

ALIGNMENT

with a particular

attempted without

and

connect

oscilloscope

50

point

to

to

side

(CH.KCS83PK

with a particular antenna matching

wtthout

of

tne

arm for -5

oscilloscope

50

MODELS

clockwise Models

oscilloscope

antenna matching unit

the

proper

the

lead

from

the FM

capacitor

across a 7.5

the

potentiometer

for

ohms.

ADJUST

A3,A4

horizontal deflection.

Set

scope

Adjust

for

scope.

Remove
structions
connect a 300O, 2 watt carbon
point^^to
Adjustuj
Fig.

2.

Repeat

further

improvement is noted.

300(2

resistor
connection between
switch.

& KCS

the

proper alignment facilities.

the

channel

video

IF

volts

at

polnt^N.

for

horizontal

21-S-348THRU

21-S-348

is

shown

in

for

horizontal

selector

amplifier

drain.

Fig.

second

ohms.

alignment

trap

to pin 1
volt

battery

gain

MINIMUM

the

.001MFD

above)

chassis

obtain

and

Replace

83PL)

switch.

Connect

21-S-369)

through 21-S-369 incorporate

6.

ADJUST

A5

Attenuate

Oj>

.

volts

at

deflection.

generator

VTVM. Adjust

A6
A7
'A8

Adjust

for

MINIMUM

sufficient

generator output

volts

at

VTVM.

A10,

All

Connect

33012

to
6CF6
to

point

to

A9

screen
MINIMUM
carbon
Set AGC
a

second
detector
Attenuate
peak

A10

marker
marker

in

Fig.

connect
Adjust

to

peak
ator
A6

and A7 to

to

Fig,

resistors

of V4 and V5.

capacity. Connect

resistor

control
signal

(Fig.

sweep output

to

peak

for

and All for

at

75%. Adjust

at 70% on

3,

Remove detector probe

the

180n

sweep

generator

on

scope.

loosely

to pin 1

obtain

4.

Continue

(L7)

arm

REMARKS

for

maximum.

from

response

steps

detector

V3 in its

unit

(6CF6).

Follow

4000,

response

capacitor

pointO^and

using

very
curve

1, 2 and 3

probe. Restore

L7 and the

socket.

in

place.

The FM

Use a

Remove

the

positive

the

procedure

Turn AGC.

(see

resistor

short

similar

until

Remove

channel

If a

short

deflection.

deflection.

REMARKS

output

to

maintain

for

maximum

M

,-

deflection.

Preset

from

plate

fully

clockwise.

generator

1) to

furnish

final adjustments. Adjust

maximum

response

and the two

Couple

(grid)
response

alignment

from

loosely

to

maintain
gain

A9 to

output

the

of

Use

to

produce

plate
A9 to
180(1

to

screen

Couple

to

markers.

with

place

curve

and

330Ji

resistors

for 3
marker
V30

Retouch

curve

with

to

0.3
45n75MC

42.5MC

as

step

on

in-

from

leads,,

to

no

the

-3

-3

of V3.

volt

shown

dis-

volts

gener-

similar

14.

=

peak

A5,

Channel

No

Frequency

1
1

1
}
18

20

22

54-60
60-66
66-73
76-83
B2-8B

174-180

80­86­92­98­04­10­70­76-

88-

94­00­06-

\l:

Video

55.25

61.

67.25

77.25

83.25

175.25

86

181.25

92

187.25

98

193.25

04

199.

10

205.25

16

211.25

76

471.25

82

477.25

94

4 89!

00

495.

12

507^25

24

5J3.

Sound

59.75

25

65.75
71 75
81
87
179
1B5
191
197

25

203

209
215
75
81

25

93

25

9S

11

25

523

TELEVISION CHANNEL FREQUENCIES

Channel

Frequency

Video

771.25

777.25

783.25

789.

795.25

801.25

807.25

813.25

819.25

825.25

831.25
837

843.25

849.25
86L25

867.
879^5

Sound

775.75

781.75

787.75

25

793.

799.75

805.

811.

817.

823.
829

835.

25

841

847.

853.
B6s'

25

871.

Bw'lS

889.75

75

5
5
5
5
5
5
5

5
s

s

5

75

PAGE

5

Channel

Frequency

Video

651.25

657.25

663.25

669.25

675.25

681.25

687.25

693.25

699.25

705.25

711.25

717.25
7Z3.

729.25
74U25

747.25
759J25

8

Sound

655.75

661.75

667.75

673.75

679.75

685.75

691.75

697.75

703.75

709.75

715.75

721.75

25

727.75

733.75
74s!75

751.75
763^75

64

770-776

65

776-782

66

782-788

67

788-7B4

6B

794-800

69

800-806

70

806-812

71

812-818

72

81B-824

73

824-830

74

830-836

75

836-842

76

842-848

77

848-354

79

860-866

80

866-972

82

878-884

Channel

Frequency

Video

Sound

44

23

524-530

525.25

24

530-536

5

536-542

75

6

542-548

75

7

548-554

75

8

554-560

75

9

560-566

75

0

566-572

75

1

572-578

75

2

578-584

3

584-590

75
75

4

590-596

75

5

596-602

75

6

602-608

8

614-620

75
75

9

620-626

1

632-638

75
75

3

644-650

531 25
537
543
549
555
561
567

573
579
585
591
597
603

615
621

633
645

529.75

535.75

25

541
25 547
25

553
25

559
25

565
25

571
25 577
25

583
25

598
25

595
25

601
25

607
25

619
25

625
25

637
25

649

5
5
5
5
5
5
5
5

5

5
5
5

5
5

5

5

SET

242

650-656

45

656-662

46

662-668

47

,,68-674

48

674-680

49

680-6B6

50

686-692

51

692-698

52

698-704

53

704-710

54

710-716

55

716-722

56

722-728

57

72B-734

59

740-746

60

746-752

62

758-764

FOLDER

4.

5.

6.

7.

8.

9.

10.

11

12

13

Leave

bias

hree

printed

DUMMY

NTENNA

Direct

"
"

0015MFD

eramlc

capacitor

loooo

Carbon

Resistor

In

series

with

.

0015M

MFD

ceramic
capacitoi

Two

130n

Carbon

Resiator

Remove

necessary,

connected

circuit tube video

SWEEP

GENERATOR

COUPLING

High

side

to

*A"

of

first video

ransformer.

to

terminal

"

High

sWe

to

jow

side

to

chassis.

Use

eads.

High

side

to

rear

terminal

crystal

holder.

side

to

tuner

Use

very short

Across

VHF
terminals
each

lead.

VHF

sweep generator

SLIGHTLY

<J>

of

130R

IF

side

1N82

VIDEO

IF

transformers.

SWEEP
GENERATOR
FREQUENCY

Not

.

44MC

(10MC

44MC

(10MC

213MC

In

267MC

(10MC

201MC

(10MC

186MC

(10MC

189MC

(10MC

1B3MC

(10MC

177MC

(10MC

85MC

(10MC

79MC

(10MC

69MC
OOMC
63MC

(10MC

57MC

(10MC

and

connect

AS

and A6 to

"

as

under " antenna matching

terminal

Low

*B".

point

tuner

very short

thru

dummy

Low

chassis.

leads.

antenna

with

retouch

IF

ALIGNMENT

used

Swp)

Swp)

Swp)
Swp)
Swp)
Swp)

Swp)
Swp)
Swp)

Swp)

Swp)

Swp)

Swp)

UHF

correct

(MODELS

unit

alignment Turn

Location

of

these transformers

MARKER

GENERATOR

REQUENCY

44.

SMC

45.

SMC

3.0MC

47.25MC

2.

SMC

5.75MC

7.25MC

2.

SMC

5.0MC

5.75MC

6.

SMC

41.2SMC
4S.75MC

2U.25MC

215.75MC

205.25MC

209.75MC

199.2SMC

203.75MC

193.25MC

197. 7 SMC

187.25MC

191.75MC

181.25MC

185.7BMC

175.25MC

179.75MC

83.25MC

87.75MC

77. 2 SMC

81.75MC

67. 2 SMC

71. 7 BMC

61.25MC

65.75MC

55.26MC
S9.75MC

sweep generator

any

overall

CHANNEL

Any

not

used
locally

"
"

4

47

(670MC)

13
12
11
10
9
8

7
6
5

4

3
2

to

antenna

tilt.

Disconnect

21-S-354U

AGC

control

Use

DC

probe

Common

Vert. Amp. thru
detector
pin 5
video
side

Veri.

Gh . Low

chassis.

Vert.
detector (Fig.l)
junction
sistor
capacitor

oS . {See
Low
chassis.

Vert.

^^ . Low

chassis.

VerL

Q« . Low

chassis.

terminals.

THRU

fully

and

their A numbers

CONNECT

SCOPE

VTVM.

to

to

chassis.

"

(Fig.l)

(plate)

of

IF

amp.

to

chassis.

Amp.

Amp. thru

of

180n

and

.0015MFD

at

side

to

Amp.

Amp.

generators

21-S-362U,

pointu»

to

side

point
remarks

tuner

to
side

Check

MODELS

clockwise. Models

to

first

Low

point

to

point

to

point

side

to

re-

to

to

all UHF

and

Is

ADJUST

A5

A6
A7
A8

A10,AU

A9

A12,A13

bias

supplies.

21-S-348U

THRU

21-S-348U

shown

In

Fig.

Attenuate
volts

at

VTVM.

deflection.

Use

sufficient generator

-3

volts

at

deflection.

Connect

330S2

maries

of

ormers.

Connect

1800

mary

of

second video

a

second

irobe

(Fig.,1)

sweep

output

peak

for

final

or

maximum

5%,

Adjust

'0%

on

response

Remove

detector probe , the

two

300

resistors.

Adjust

sweep generator

o

peak

on

ator

loosely

ier.

Retouch

ponse

curve

Set UHF
Connect a .0015MFD
180S1

carbon
chassiswith
polnt^K? . Couple second
detector
Connect

the

bias

supply

nect

positive

volts

at

tuner

sweep

generator

peak

to

peak

for

maximum
markers
curve

as in

capacitor

Attenuate sweep generator output
tain 3 volts
necessary,
obtain

response

Couple

marker generator

of

first

video

AGC

bias

-5

volts.

similar

to

retouch

A5 and A6 to

tilt

that

is

channels.

channels

for

response

•

21-S-369U)

thru

21-S-369U

6.

REMARKS

generator

output

Adjust

"

VTVM.

Adjust

carbon

third

and

fourth

Preset

A9 to

carbon

signal

generator loosely

to

furnish

to

maintain
adjustments.
gain

with

A9 to

place

curve

scope.

Couple

to

grid

of

A5, A6 and A7 to

similar

changeover switch

resistor

the

capacitor

probe (Fig.l)

potentiometer

to the

tuner

side

to

AGC

terminal.

output

on

scope . Adjust

gain

with

not

lower than

Fig.

5.

Remove

and

detector probe

peak

to

peak

retouch

A12

similar

IF

amplifier.

at -3

volts

Check

all

channels

Fig.

4. If

essentially

similar

incorporate

to

maintain

for

maximum

output

to

produce

for

MINIMUM

resistors

across

video

IF

MINIMUM

resistor

IF

markers.

45.75MC
42,

as

output

first video

to

capacitor

from

to

AGC

chassis.

to
video

and the IF

necessary,
correct

the

trans-

capacity.

across

transformer. Couple

to

Attenuate

0.3

volts

peak

Adjust

A10 and All

marker

SMC

marker

shown

in

Fig.

18011

and the

for 3

the

marker

IF

obtain

Fig.

4.

to UHF

iiLserles
point^^
end

connected

signal

generator

furnish

markers.

arm of a

terminal.

Adjust

Attenuate

produce

0.3

A12

and A13

and

sound

90% or

response

resistor,

from

point

to

on

scope.

If

and A13

only

to

Fig.

5.

loosely

to

Leave

the

bias

for

response
SLIGHTLY

any

overall

same

on all

to

Fig.

4. If

ALIGNMENT

-3

pri-

pri-

detector

to

at

at

3.

volts

peak

gener-

ampll-

re-

position.

with

to

to

to

second

Con-

for -3

volt

^y

•

main-

to

grid

at

F

IG.4

F

IG.7

INST

FIG.<

PAGE

6

IOK-'

FIG.

1N34

.005MFD

TO

RCVR.

I

FIG.2

F

IG.3

FIG.

1U

21-3-362U,

ully

clockwise. Models

their A numbers

NECT

:>PE

lf

to
o

).
rig.1)
e)
mp. Low
issis.

>.
w

p.
Fig.l)
E

180H

.

.0015MFD

at
ee
to

p.
>w

ip.

,ow

point^^

chassis.

thru

to

of

first

to

point

side

to

thru

to
re-

point
remarks

tuner

to

point

side

to

to

point

side

A5

A6

A8

A12,

to

MODELS

Is

ADJUST

7

10,

All

9

A13

shown

Attenuate generator
volts

deflection.
Connect

maries
Connect

mary

Adjust

21-S-348U

THRU

21-S-348U

in

Fig.

at

VTVM.

ef

lection.

Ise

sufficient

3

volts

at

330(2

of

ormers.

180S2

of

second video

second

robe

(Fig.l)

weep

output

teak

for

final

or

maximum

5%.

Adjust

0%

on

response

lemove

detector probe

wo

300

resistors.

sweep

o

peak

on

tor

loosely

ier.

Retouch

ponse

curve

Set UHF

Connect
,8011

carbon

chassis

with

pointoy . Couple

letectOT

Connect

>las

supply
nect positive side
volts

at

tuner

sweep generator output

jeak

to

peak

or

maximum
markers
curve

as in

capacitor
Attenuate

:aln 3 volts peak
necessary,
obtain

response

Couple

marker generator

of

first

AGC

bias

-5

volts.
similar
retouch

tilt

that

channels.

21-S-369U)

thru

21-S-369U

6.

REMARKS

output

Adjust

generator

VTVM.

Adjust

carbon

resistors

third

and

fourth

Preset

A9 to

carbon

resistor

signal

generator loosely

to

furnish

to

maintain
adjustments.
gain

with

A9 to

place

curve

generator

scope.

Couple

to

grid

of
A5, A6 and A7 to
similar

changeover switch

a .

0015MFD

resistor

the

capacitor

second

probe

(Fig.l)

the

potentiometer

to the

tuner
to

chassis.

AGC

terminal.

on

scope.

gain with video

not

lower than

Fig.

5.

Remove

and

detector probe

sweep

generator
to

peak

retouch

A12

similar

video

IF

amplifier , Leave

at -3

volts

Check

all

Fig.

4. If

essentially

channels

to

A5 and A6 to

is

incorporate

to

for

maximum

output

for

video

MINIMUM

IF

transformer.

markers,,

0.3
Adjust

45.75MC
420

BMC

as

shown

, the

output

the

first

video

to

Fig.

4.

to UHF

capacitor

from

point^f/to
end

signal

to

furnish

arm of a

AGC

to

produce

Adjust

90% or

resistor,

output

on

scope.

and A13

to

Fig.

loosely

and the IF

necessary,

correct

the

same

maintain

-3

to

produce

MINIMUM

across

pri-

IF

trans-

capacity.

across

pri-

Couple

to

detector

Attenuate

volts peak

marker gener-

from

for

A10 and All

marker

marker

in

Fig.

1800

and the

for 3

volts

IF

ampli-

obtain

position.

iiuseries

connected

generator

markers.

second
terminal.
Adjust
Attenuate

0,3

A12

and A13

and

sound

response

point

to

If

only

5.

to

the

bias

response
SLIGHTLY

any

overall

on

all

re-

Con-

for -3

volt

main-

to

grid

at

to

at
at
30

peak

to

\fy

ALIGNMENT

F

with

to

.

INSTRUCTIONS

IG.4

FIG.6

F

IG.5

1ST

VIDEO
AMP

2ND

3RD

VIDEO
AMP

VIDEO

VIDEO

AMP

DET

(cont)

IF

IF

IF

14.

15.

16.

17.

18.

19.

20.

21.

An

RF

unit

s

necessary

Jre-set

rom

terminals

["uner

alignment

Connect

'he

sweep

DUMMY

ANTENNA

Direct

NOTE : If
then

switch
proper
then

switch

Two

130C

Carbon

Resistors

Connect

similar

Two

130(2

Carbon

testators

Two

1300

Carbon

Resistors

is

operative

the

following

"A"

and"B"

as

outlined

output

SWEEP

GENERATOR

COUPLING

side

to

side

to

chassis.

Input

of

heterodyne

meter

wire

hole provided

of

channel

12 and

frequency

to

channel

with

130(2

lead.

probe

of

7.

Adjust

frequency

as

In

antenna

with

lead.

frequency

In

step

with

lead.

KHK29B

out.

of L27

lead

point

A17.

ter-

VTVM

A33 for

step

130(2

15.

ter-

130(2

Set

below

to end

insert-

on
8 and

ter-

which

make

A14 all the way

the

synchronized sweep voltage

generator

High
Low

RF
frequency
of

Insulated
ed in
adjustment

channel 8 oscillator

to

oscillator

back

Across antenna
minals
each

the DC

to

Fig.

Connect
meter

Across

minals
each

Connect

er as

Across antenna

minals

each

TUNER

and

requires
adjustments.
channel

(first

requires

should

<£>

.

for

frequency

adjust

each channel.

adjust

in

to

point
maximum

15.

in

met-

in

ALIGNMENT

only

7 to 13
video

the use of a

from

the

be

terminated

SWEEP
GENERATOR
FREQUENCY

Not

used

cannot

A20

for

channel

A18

183MC
(10MC

Swp)

<C^ . Common

Not

used

213MC

(10MC

Swp)

Not

used

183MC
(10MC

Swp)

minor

oscillator

IF

trans)
sweep genera

MARKER

GENERATOR

FREQUENCY

43.
(400%Mod)

Set
meter
227MC

be

reached

12

Also,

on

again.

181.25MC

185.75MC

gain

at

mid-point
Freq.

meter

257MC

211.25MC

215.75MC

Freq.
meter
227MC

181.25MC

185.75MC

(MODE)
touch-u

slugs
and te:
heteroi

with

SMC

freq.

to

osclllat

channel

to

Its

by

chas

to

to

c

5.

Check

ierators

FIG.2

all

and

UHF

bias

channels
supplies.

for

response

similar

FIG.3

F

F

IG.7

to

Fig,

4. If

FIG.

II

IG.8

22

23.

24

Two

13012
Carbon
Resistors

Connect
meter

Across

minals
each

Across

minals
each

frequency

as

in

antenna

with

lead.

antenna

with

lead.

step

130(2

13012

15.

ter-

in

ter-

Not

used

Freq.
meter

to

129MC

Swp)
Swp)
Swp)

Swp)

83.25MC

87.75MC

77.25MC

81.75MC

67.25MC

71.75MC

61.25MC

65.75MC

55.25MC

59.75MC

85MC
(lOMCSwp)

79MC

(10MC

In

69MC

OOMC
63MC
MMC
57MC
(10MC

RUCTIONS

X"

F

IG.5

1ST

2ND

3RD

VIDEO

F

VIDEO
AMP

VIDEO

AMP

VIDEO
AMP

DET

IG.8

(cont)

IF

IF

IF

14.

15.

16.

17.

18.

19.

20.

21.

22

23

24

Vn

RF

unit

s

necessary

?re-set

rom

terminals

Tuner

alignment

Connect

The

sweep

DUMMY

ANTENNA

Direct

NOTE:

then

switch
proper
then

switch back

Two

130f

Carbon

lesistors

Connect

similar

Two

130ft

Carbon

lesistors

Two

1300

Carbon

Resistors

Two 13
Carbon

Resistors

which

is

operative

make

the

A14 all the way

"A"

and"B"

as

the

If

oscillator

012

outlined

synchronized

generator

SWEEP

GENERATOR

COUPLING

High

side

Low

side

to

RF

input

of
frequency
of

insulated

ed

in

hole provided

adjustment

channel 8 oscillator

to

channel

frequency

to

channel

Across antenna ter-

minals with
each

lead.

the DC

probe

to

Fig.

7.

Adjust

Connect

frequency

meter

as in

Across antenna ter-

minals

with

each

lead.

Connect

frequency

er as in

step

Across antenna ter­minals

with

each

lead.

Connect

frequency

meter

as in

Across antenna ter­minals

with

each

lead.

Across antenna ter­minals

with

each

lead.

KRK29B

following

out

sweep

output

to

point

chassis/

heterodyne

meter

wire

of

A17.

12 and

130(1

of

VTVM

step

13

15.

130O

step

130O

130O

and

adjustments.

Set

of L27

below

voltage

lead

^A\

to end
Insert-

for

frequency

adjust

on

each

8 and

in

to

A33 for

15.

00

in

met-

in

15.

in

in

TUNER

requires

channel

(first

requires

should

A20 for
channel.

adjust

point

maximum

ALIGNMENT

only

7 to 13

video

IF

the use of a

from

the

be

terminated

SWEEP
GENERATOR
FREQUENCY

Not

used

cannot

channel

Also,

A18

again.

183MC

(10MC

Swp)

<^ . Common

gain

Not

used

213

MC

(10MC

Swp)

Not

used

183MC
UOMC

Swp)

Not

used

85MC
(10MC

Swp)

79MC
(10MC

Swp)
69MC
(10MC

Swp)
63

MC

(10MC

Swp)
57MC
(10MC

Swp)

minor

oscillator

trans)

sweep

with

MARKER
GENERATOR
FREQUENCY

43.5MC
(400Wod)

Set
meter
227MC

be

reached

12

on

181.25MC

185.75MC

at

mid-point

Freq.

meter

257MC

211.25MC
215,75MC

Freq.
meter
227MC

181.25MC

185. 7 SMC

Freq.
meter
129MC

83.25MC

87.75MC

77.25MC

81.75MC

67.25MC

71.

61. 2 BMC

65.75MC

55.25MC

59.75MC

(MODELS

touch-up

slugs

and

terminate
heterodyne
generator

its

characteristic

froq.

to

by

oscillator

channel

to

chassis.

to

to

to

75MC

21-3-354

adjustments

one

turn

the

frequency

to the

CHANNEL

2

8

adjustment

frequency.

8t

adjust

8

Adjust

of

response

13

8

6

5
4
3

2

81

21-S-362,

will

from

tight.

link

with a 39£1

meter.

horizontal

impedance,

Vert.

<&> . Low

chassis.

Not

of

A18

Continue

A18 for

Vert. Amp.

«K . Low

chassis.

A16

for -3

curve.

Not

VerJ.

Vo.

chassis.

Not

Verl.

«O , Low

chassis.

Not

Vert.
point
to

chassis.

VerL

chassis.

MODELS

require

no

pre-setting

Adjust

A10

carbon

input

of the

oscilloscope

usually

CONNECT

SCOPE

Amp.

to

point

side

to

used

switch

to

channel

down

to

channel 8 oscillator

If

used

Amp.

used

Amp.

used

Amp.

ttN .

Amp.

«N . Low

channel 8 adjusting proper

to

point

side

to

volts

at

point^G> . Readjust

necessary,

to

point

Low

side

to

to

point

side

to

to

Low

side

to

point

side

to

21-S-348

so

that slug

resistor.

50

ohms.

ADJUST

A15

A18,

13 and

A31, A17,
A32,A33

repeat

A19

A34
A3

A14

A31,
A32
A33

A2G

A36

A3 7

A38

THRU

of

adjustments.

s all the way

for

Short
Adjust
generator
for
Remove

A14

Connect
supply
the

for

set

(Limits
two
fully
on
until beat
turn
Return
position.

adjust

frequency.

Set
rotation.
used
Adjust
sweep generator
signal
scope.
response

until

desired

Turn

Adjust
meter.
an
and
audible

Adjust

5

Turn
injection
Voltage
volts).
sweep
channel

A34
Check

If

oscillator

A17

If
A33
If
gene
and
polnt«hwith
injection
be
several

A16

Set

position.

on

Adjust
Check

AloT
the
If
similar
for
step

Check

markers fall below

touch

on
injection
It

21-S-369C)

Where

complete

out.

Disconnect

horizontal

deflection.

REMARKS

the

tuner

AGC

scope

for

maximum

for

maximum

MINIMUM

400t,

short

from

the

potentiometer

to the

tuner

positive

-3

volts

A16

ol

5.5

volts) o Turn

clockwise.

frequency

one

fine

A19 for

Switch

AID

to

connect

scope
Input

Adjust

A14,

response

fine

A19

additional

then adjust

for

off

If

generator

and A35 to

for

necessary,

necessary,

to

obtain

A31

required adjustment turn

rator

check

necessary

Is

obtained.

fine

tuning control

frequency

for

oscillator

«Swlth

If

A1G

receiver

necessary,

proper

15

for

A36 and A37 for

all low

should

AGC

lead

to

at

tuner

for -3

volts

oscillator

Adjust

meter.

note

just

begins

full

turn

in

tuning control

channel

13

oscillator

to

channel

maximum

If a

separate

it

loosely

for

maximum

output

to

produce

A31,

A17.A32

similar

to

A17,

A31 and A32 for

is

tuning control

for

audible

SLIGHTLY overshoot

turn

in the

A14

beat.

response

generator

and

voltage

at

should

be

within

A16

required readjustment turn

back

13

response.

obtain desired

audible beat

readjust

frequency*

retouch A31,

response

and

switch

oscillator

VTVM.

trimmer,

A16,

to

repeat

times

before proper

Adjust

A26 for

meter.

response

injection voltage

VTVM.

If

required

and

generator

retouch

to

Fig.

6.

Recheck

oscillator

.

response

band

channels . Check

voltage

at

be

within

alignment

the

link

terminal

to

ground.

gain

and

output.

Indication

AGC

terminal.

tuner

AGC
on

VTVM
injection voltage
fine

tuning

A18 for

Adjust
same clockwise directioi

oscillator

trimmer
13 and

counter clockwise

marker generator

to

for a
useable

Fig.

7,

obtained.

fully

beat

to

again obtain

similar

check

point

on and

If

necessary,

on

A14

similar

back

Injection

If the

was

steps

to its

audible beat

similar

necessary,

readjustment

A31 for

frequency

similar
80% on any

best

point

limits

signal

Adjust

on

scope.

terminal.

arm of the

bias

Connect

chassis , Adjust

terminal.

Pre-

at

pointU^

are

control

audible beat

A14

clockwise

to

change,

then

to

Its

mid-range

frequency,

to

obtain

adjust

A19

antenna

terminals.

gain

and

attenuate

MINIMUM

pattern

and A33 for

response

clockwise

on

frequency
the

adjustment

same

direction,

an

to

Fig.

7,

oscillator

«]Nwith

VTVM.

limits

(2-5.5

recheck

retouch

response.

frequency

meter.

for

proper

A17,

A32 and

to

Fig.

off

to

channel

13

voltage

at

oscillator

far off it may
20 and 21

setting

of

mid-range

to

Fig.

7.

at

point

readjust

switch

to

channel
response

A14

and

A18

as in

to

Fig.

6. If

channel

compromise

oscillator

«j>with

VTVM.

oT2

to

5.5

volts

A15

,

is

on

.

7.

8

re-

.

.

PAGE

7

DUMMY

ANTENNA
Two 13

25.

Carbon
Resistor

26.

'

The VHF

tn

Ground

aperature
If
Fabricate a test
tuner

are
Connect

Connect

Connect

The

ANTENNA

Two

27

Carbon

Resistors

28

Tune

29

The

[

ANTENNA

30

31.

32

ANTENNA

33

Across antenna ter-

OSJ

minals

Connect
meter

alignment

steps

14

through

the IF

provided

the

oscilloscope
shaft

for

fully

meshed,

the

high

the UHF
the

synchronized

sweep generator

DUMMY

130r

Across
each

thru entire

bend

the RF

Knife

the

plates

may

be

made

Connect

the DC

Headings

between

pedance

or an

alignment

under

"KRK29B"

DUMMY

.

001MFD

High
Low

"

Short

pin 1 (grid)

DUMMY

loon

High

resistor

Low

Tune

In a station

to

emphasize beat

If

Inteference

SWEEP

GENERATOR

COUPLING

with

130SJ

in

frequency

as

In

step

15.

procedure

26

transformer,

available

dial

accurate

place a 1/16"

side

marker generator loosely

GENERATOR

COUP1ING

minals

with

lead.

UHF

plates

while tuning lower

by

touching

probe

oscillator

procedure

tuner alignment

GENERATOR

side

side

of

GENERATOR

side

side

and

from a strong

for the

under

"KRK29B

whose

on top of the

does

with

marks scrlped

alignment

of the

VHF

sweep

output

lead

SWEEP

antenna ter-

1300

In

range

and

to

correct

the

plates

of

VTVM

.05 and .4

volt

tube outside allowable

for the

SIGNAL

COUPLING

to

point

<?>.

to

chassis.

"

11

third

video

SIGNAL

COUPLING

to

point

<J^>

to

chassis.

Inspect picture

then

adjust

FM

ALIGNMENT

SWEEP

GENERATOR

FREQUENCY

213

MC

MMC

Swp)
207MC
(10MC

Swp)
201MC
(10MC

Swp)
195MC
(10MC

Swp)
189MC
(10MC

Swp)

183MC

aOMC

Swp)
177MC

(10MC

Swp)

Not

used

KRK29A

tuner

tuner

alignment"

adjustment

tuner.

not

shim

marker

voltage

should

check

the

to

KRK22C

.

IF

A48 for

station

is

have a sensitivity

on Us

Locate

the 0

between

the

signal

to

from

the

be

terminated

SWEEP

GENERATOR

FREQUENCY

887.

SMC

(Use

Max.

sweep

width

4

73.

SMC

(Use

max.

sweep

width)

tracking.

mistracking.

in

frequency

with

the

knifing

pointoK

Common

should

Be

obtained.

tuner

SIGNAL

GENERATOR

FREQUENCY

4.

SMC

(Unmod)

"

amplifier

(6CB6)

SIGNAL

GENERATOR

FREQUENCY

.

4.5MC
(4001.Mod)

for 4.

SMC

MINIMUM

is

encountered,

circumference

generator

antenna

limlls.

Is

SOUND

INSTRUCTIONS

MARKER
GENERATOR
FREQUENCY

211.25MC

215.75MC

205.25MC

209.75MC

199.25MC

203.75MC

193.25MC

197.75MC

187.25MC

191.75MC

181.

185.75MC

175.25MC

179.75MC

Freq.

meter

257MC

251MC

245MC

239MC

129MC

A12,

degree reference

stop

sweep generator

GENERATOR
FREQUENCY

887.

If the

The

that

Identical

beat

4.

CHANNEL

13

12
11
10
9

25MC

233MC
227MC
221MC

123MC
113MC
107MC
101MC

is

by

pin

terminals.
with

MARKER

4I.25MC
43 . SMC

45.75MC

41. 2 SMC

43.

45.75MC

4

73.

plates
tracking above

tool while noting

If

IF

CHANNEL

Any
interfer­ing
channel

to

CHANNEL

Any

interference.

SMC

8

7

13

to

12
11

10
9
8
7
6

5

4

3
2

Identical^

SMC

SMC

ground.

alignment

.......

connecting

one end of a

of

0.

03

volts

at 0, 9, and 168

point

on the

tuner

through a 1000S2

to the

its

character sttc

CHANNEL

83

(168

degre

on

tuning

dial)

14

(9

degree

on

tuning

dial)

SMC

41.25MC

and

45.

may be

bent

to

chassis.

Tune thru

voltages outside

If the

oscillator

KRK22C

to

alignment

ALIGNMENT

non-

DC

probe

Common

DC

probe

Common

DC

probe

Common

4.

SMC

Use

scope.
Vert. amp. thru
detector (Fig.
pin 9 (plate)

(V7A) . Low

chassis.

If 4.

beat

Interference

FM

adjust

TRAP

A49 (on top of

Vert.

<^> . Low

chassis.

Not

per

Inch a suitable

with

and the

carbon

horizontal

75MC

by

inserting a knife

the

point

the

effect

this

tube

TUNER

for

KRK29B

USING

CONNECT

VTVM

to

point

to

chassis.

to

point

to

chassis.

to

point

to

chassis^

TRAP

CONNECT

VTVM

of 6X8

side

SMC

in

ADJUSTMENT

CONNECT

SCOPE

Amp.

used

procedure

clip lead

degrees.

the

capacitor plates

stop plate

resistor

impedance,

CONNECT

Vert.
pre-amp^if
to

pointoK.

side

to

markers fall below

of

knifing

on the

the

limit

is

replaced
ALIGNMENT

AM

<£>

<£>

<£>

ALIGNMENT

1) to
to

beat

picture.

antenna

to

point

side

lor

KRK29B

to

amplifier

The

on the

to the

input

of the
usually

SCOPE

Amp. (thru

needed

Low

chassis.

will

response

entire

UHF

are

obtained

steps

Perform

SIGNAL

GENERATOR

ADJUST

A46

A45

.

A47

ADJUST

A48

interference

matching

(cont)

ADJUST

Check

for

A17

to

A3I
A32

A19

A20
A21
A22
A23

A24
A25
A26
A27
A28
A29
A30

fiZU. MOI

tuner.

r

tuner

chassis

may be

dial

should

be

fully

meshed.

gear

assembly.

rear

terminal

oscilloscope

50

ohms.

ADJUST

A39
A40
A41

A42
A43
A44

70% on any UHF

blade thru

the two

not be

disturbed. A check

curve

.

range

at the

it

indicates

27 and 28

should

the

indicated operattons

AND

Attenuate

VTVM.

Adjust

for
reading
setting.0

Attenuate
Adjust

for

Adjust

for

is

evident turn

transformer)

response
markers fall below
and

A32 for

band

)ELS

Perform

and

used.

made

for

same

Adjust

will

Repeat

generator

best compromise

channels.

voltage

at

point

be

within

limits

Adjust

Individual channel

for

audible

beat

each

channel.

voltage

at

point

verify

that

the
(2-5.5volts).
step

30.

21-S-348U

the

tndicated

Inserting

to

fit

over

To

make certain that

of the

1N82

horizontal

Adjust

A39 and A40 for

overcoupled

887.

SMC,

similar

until

43.

SMC

887.

SMC

marker.

MC

markers should

ated

on top of

Adjust

A42 and A43 for

overcoupled

473.

5MC,

similar

until

the

43.

473.

SMC

marker.
markers should
on

top of the

If

necessary

proper responses

channel

holes provided

of the

time

noting

low

Bt

voltage,

be

repeated.

outlined

VTVM

generator

output

for

maximum

zero

reading. A positive

be

obtained

steps

30 and 31.

output

maximum

deflection.

MINIMUM

tor

the

fine

MINIMUM

40CK

tuning

Check

<ff>

oT2

Check

voltage

Continue

THRU

the

crystal

deflection.

response curve, centered

marker coincides

response

response curve, centered

SMC

response

repeat

it

REMARKS

on

REMARKS

Inteference

REMARKS

similar

to

Fig.

80%

retouch

A17,

on all

oscillator

with

to

on

frequency

vT>on

opposite

the

split gear

REMARKS

to
The

to

marker coincides with

The

be

symmetrically

are

will

on the

section

the
low or

In

to

maintain 6 volts

deflection.

either

to

maintain 6 volts

indication

control

injection

VTVM.

It

5. 5 volts.

oscillator

meter

oscillator

Injection

each channel

Is

within

limits

alignment with

21-S-369GU

operations

outl.nea

—

end

through

on the

the

plates

holder

.

maximum amplitude

Fig.

8.

Adjust

with

41.25MC

be

steps

be

reading

and

symmetrically loc-

curve

as in

maximum amplitude

Fig.

9.

Adjust

41.25MC

and

curve

as in

27 and 28

obtained.

necessary

to

left

side

of the

requiring

on the

high

crystal

steps

14

through

and

negative

side

of the

on

scope.

slightly

clockwise

In

the

picture.

6. If
A31,

high
should

slug

on
to

the

at

A41

45.75

Fig.

at

A44

45.75MC
located
Fig.

9.

until

knifing

VTVM.

im-

26

at

correct

at

VTVM.

'

8.

tuner

PAGE

8

TUBE

PLACEMENT

CHART

The

following

Refer

chart

to

tube placement

POWER
No

raster,

LOSS

OF

No

pic,

No

pic,

No

pic,

Has

pic,

Overloaded

SYNC

FAILURE

No

vert,

No

horiz.

No

vert,

SWEEP
No

raster,

No

vertical

Poor

vert,

Poor

horiz.
Narrow
Vert,

off

Horiz.

off

TUBE

FAILURE CHECK CHART

lists

tubes whose failures

chart

SUPPLY

FAILURE

no

sound - V20,

PICTURE

no

no

has

sync - V7,
or

FAILURE

picture - V16,

OR

sound,

has

sound,

has

sound,

has

no

sound - V7,

picture

- V8,

sync

- V6,

horiz.

sync

has

sound

deflection - V14,

linearity

or

linearity

freq.

-VI,

freq.

- V6,

for

location

V21

SOUND

raster - V2,

snow - VI,

raster - VI,

V10,

TO,

V12

V14

V14,

V16

- V14

-V16,

VH,

V15

foldover - V14,

or

foldover - V16,

VII,

V18, V19, V20,

V14

V14,

V16

are

most

and

type

of

V3, V4, V5, V6
V2,

V3

V8, V22

V12,

V13

V18,

V19,

V22,

V15

V17,

tube.

V18

V21

likely

Fuse

to

produce

(Ml)

the

indicated symptoms

PAGE

10

Item

V

1

V

2

V

3

V4

V

5

V

6

V7

V8

V

V

V

V

V13

V14

V

V

V

V
V

V20
V21

V22

9

10

11

12

15

16

17

18
19

Tube

6BQ7A

6X8

6CF6
6CF6
6CB6
12AU7

6X8

12AU7

6AU6
6AU6

6AL5
6AV6
6K6GT
6SN7GT
6K6GT

6SN7GT

6BQ6GT

6AX4GT

1B3GT

5U4G
5Y3GT
21EP4A

RESISTANCE

Pin 1

tl.

on

44KH
43KS2

.3(2

2Meg

OS!

260Kn

8.5S2
120Kn
lOKfi

lOMeg

INF

tl.SMeg

INF

l.SMeg

INF
INF

INF

INF
On

5Kn

Pin

400KI2
lOOKn

680

3317
180n

3.9KO

2.2Meg

4.5Meg

on
on

lOKn

on
on

•fl2.3Kn

.in

t45K!J

an

INF

PIN

60Kn

60

Kn

470KS2

2

soOKn

t!2.5Kn

on
on

.in

.30

tl.2Meg

t4.3Kn

on
on
on

on

t2.2Kn

on

t525n
410Kn

DJF

IMeg

1 - 8

INF
INF

PIN 10

-325JO2

t

MEASURED

.

MEASURED

MEASUREMENTS

Pin

4

Pin

Pin

3

HAVE

on
on

.in

.10

on

.in
an
an

an
.in

an
an

ti.8Kn

l.BMeg

t4on

480KS2

te.BKn

INF

isn
13

n

PINU

i70icn

FROM
FROM

5

an
an

t4.8Kn

t4.8Kn

|3.7Kn

an

on

an

t4.3Kn

tiOKn

INF

350Kn
470Kn
«1.6Meg
l.SMeg
t47Kn
IMeg

t70n

INF

RESISTANCE

INF
INF

PIN 12

an

PIN 8 OF V21

PIN 3 OF

V18

Pin

500Kn

on

T4.8Kn

t4.8Kn
|3.7Kn
t6.8Kn

I2on

t7.5Kn
t4.3Kn

ts.sxn

on

350Kn

INF

on

INF

on

2.2Meg

INF

13

n

13

n

Pin

350Kn

loOKn

7

Pin

8

Pin

9

I2on
t!5.5Kn

on

t!5.5Kn

6

on
on
on

tsoKn

3.9Kn
470Kn

82

400Kn

tioxn
iiKn

on

T22KH

on

n

on

INF

tsooKn

an
an

on
an
on

on

INF

INF

5

eon
on
on
on

won

an

60Kn
eoxn

TOP CAP

-9Q

TOP CAP

.naon

=

w

i

._

m

to O

i - t/l

r-

O

L25

(Vt\/

CONV

Lll

O

c

Sfie

tn

C -

00

kj

w

w -

P

o

TUBE

PLACEMENT

SET

242

CHART

FOLDER

!

PAGE

11

TROUBLE

SHOOTING AIDS

SWEEP

LOSS

OF

SWEEP
Follow procedure outlined
INSUFFICINET
Check

B4

and B5.

CheckClie,
T2,

T4A

components.
DRIVE
Check

C115,
for

failure
COMPRESSED
Check

B5.

Check

stages
FOLDS
Follow
PIE

CRUST

Check

internal
XMAS
Substitute

ponents

SWEEP

by

substitution

Check

waveform'W16.

If

Satisfactory

C119,

C120,

and

other

associated

LINES

adjustment

C119,

by

especially

V17 and V18 for

TREE EFFECT

B3.

C120,C123 , T2,

or

change

LEFT SIDE

substitution

components

T2 and

procedure outlined

EFFECT

arcing.

V16. Check L43,

for

failure

or

V16,

Check

of

V16,

associated

internal

change

under"L6ss

V17,

C117,

by

T4A

value.

V17

T4A.

under

Clll,

of

HORIZONTAL

of

High

VIS,

V20

and

R119,

Check
associated

substitution

and

other

and

V18.

Check adjustments

with

the

"Drive

Lines".

arcing.

Check

C110, C115, C114

value.

Voltage".

V21. Check

If

Unsatisfactory

R114,

R116,

circuit components.

V16,

V17

associated

horizontal

T2,

T4A,

and

adjustments

C115

and

V18.

Check C114,

circuit

components

B3, B4 and

output

and

T5 and T6 for

other

associated

and

other

damper

B3,

com-

SYNC

LOSS

OF

SWEEP

Check

by

substitution

If

Satisfactory

Check

T3,

T4B,

associated

components.

INSUFFICINET
Check

adjustment

outlined

under
COMPRESSED
Check

by

substitution

components

COMPRESSED
Check

C94,

Check
V14B

for

by

substitution

C95, C96,

by

substitution

and

V15

and

SWEEP

of

"Loss
AT

BOTTOM

failure

AT TOP

C93 and

including

V14

and

V1B.

other

height

and

vertical

of

Sweep".

V14

and

V15. Check

or

change

V14 and

V15.

other

associated

V14 and

V15. Check components

T3 and

T4B.

VERTICAL

Check waveform

Check
R90,

components.

linearity

of

value.

Check R94, H96, R99, R92, R93,

Wll.

If

Unsatisfactory

C91, C94, C95, C96,

R96,

R99 and

other

controls.

Proceed

T3, T4B and

circuit components.

other

associated

associated

'C93.

associated

as

R8

with

LOSS
Check

load

resistors,
LOSS
Check

Check

V14B.

LOSS
Check

V8A

for
SOUND
Adjust

Check
POOR
Check

and

other

WEAK

Check

using

Check

IF

alginment

ponents.

OF

VERTICAL

by

substitution

and

OF

VERTICAL

by

substitution

If

Satisfactory

components

OF

VIDEO

by

substitution

failure

BARS

(4.

tuner

fine

video

IF

alignment

CONTRAST

by

substitution
associated

OR NO

SOUND

by

substitution

audio signal

If

Satisfactory

ratio

detector

and

AND

HORIZONTAL

V6, V7, V8 and

grid

resistors

SYNC-HORIZONTAL

V7 and

V14.

associated

V7 and V8.

or

change

of

value. Check

SMC

BEAT)

tuning

for

best

V6, V7 and V8.

circuit components.

V9,

V10,

generator.

and

audio

circuit com-

SYNC

V14. Check coupling

associated

Check

waveform

with

Apply

Check
and
Check

Check components

picture

and

Check

Vll,

V12

and

audio signal

Check
and

with

these

SYNC

SATISFACTORY

If

Unsatisfactory

vertical

other

associated

video

contrast

control

sound. Check

contrast

V13.

Check

across

If

Unsatisfactory

components

V13

especially

stages.

W9.

integrator

IF

stages

associated

control,

stages
R69.

C78 and T7.

capacitors^plate

network

components.

for

overloading.

with

V7A and

and

picture tube.

adjustment

associated

A48.

picture tube

V12 and

V13

with

VIDEO

AUDIO

V12

LOSS

OF

HORIZONTAL

Check

by

substitution

L43,

Bill,

R114,
HORIZONTAL
Check

by

substitution

for

component failure

NEGATIVE

PICTURE

Check

adjustment

V4,

V3 and

VI.

tuner

and-IF

strip.

SMEAR

Check

by

substitution

grid load

resistors,

associated

with

WIDE

BLACK

Check

VI,

V3, V4, V5,

BUZZ
Adjust

tuner

If

stages.

still

Check

fine
buzz.
IF

DISTORTED
Follow procedure outlined under "Weak

SYNC-VERTICAL

V6 and

C110, C115

BENDING

Check

VBA,

BAR

tuning

unsatisfactory, substitute

V16. Check

and

C103.

VI6

and

V17. Check

or

change

of

of the AGC

control. Check

AGC

network. Check components

Check picture tube

V6, V7 and V8.

contrast

control,

V7A and

V8A.

ACROSS PICTURE

V7

and V8 for

for

best

picture

C67,

C71

and

C70.

value.

Check

SYNC

associated

the

and

other

Check

coupling

picture

heater

and

Vll and

or No

SATISFACTORY

components especially

horizontal

AFC

by

substitution

associated

associated

peaking

coils,

capacitors

tube.

to

cathode

leakage.

sound. Adjust

realign

ratio

Sound".

filter network

V8, V7, V6,

with

components.

plate load

and

other components

A45 for

minimum

detector

the

resistors,

and

audio

PAGE

12

DEAD

SET

If

filaments fail
control
decoupling

LOSS
Check

Check
other associated

ponents.

RASTER

Follow procedure outlined under
RASTER
Follow
RASTER
Check

components.

to

and

OF

by

T2,

procedure outlined under "Weak

by

light, check

Tl.

If

filaments light, substitute

network

components.

HIGH

VOLTAGE

substitution

If

Satisfactory

T4A,

SOUND

PICTURE

NO

substitution

C122,
circuit

NO

SOUND

V16,

VI7,

R121,

and

com-

PICTURE

NO

SOUND

NO

PICTURE

VI,

V2, V3, V4, V5 and V6.

AC

interlock

VI8

and

V19. Check waveform

Check
components.

"Loss

of

or No

TROUBLE

assembly,

V20 and

V21. Check

If

Unsatisfactory

C115,

R116

Video".

Sound".

Check associated circuit

SHOOTING

switch

on

volume

B+

filter

HIGH

W16.

and

other

associated

POWER

and

VOLTAGE

GENERAL

AIDS

SMALL

AND/OR

Check

by

components.

INSUFFICIENT
Check

by

tube.

Proceed

Check

by

R121,

R119,

NO

RASTER
Follow procedure outlined under "Dead
KEYSTONE
Check

T4,
INTERMITTENT
Check

high

DIM

substitution

HIGH

substitution

as

outlined under

substitution

C116,

picture tube

NO

SOUND

EFFECT

C123, R122,

STREAKS

voltage

section

(cont)

PICTURE

V20

and

V21.

VOLATGE
V16,

V17,

V16, V17,

and

H123

and

for

corona

V18, V19,

"Loss

V18,

other

R124.

Check

of

V19,

associated

Set".

discharge

B+

V20

High

V20

filter

and

Voltage".

and

and

and

decoupling network

V21. Check picture

V21.

Check

T2,

circuit

arcing.

T4A,

components.

C122,

Symptoms

shown

are

assumed

and are not

indicative

of the

quality

and

workmanship

of

this

equipment.

6l~

o V

>

sS;!

Fog

Sgc

vi c ^

VHP

TUNER

TOP

VIEW

PAGE

21

HORIZ.

FREQ.

HORIZ.

LOCK

HORIZ.

DRIVE

CABINET-REAR VIEW

WIDTH

HORIZ.

LINEARITY

s

w«

y>

I

s

O

HORIZONTAL

HORIZONTAL
Turn
horizontal hold control,
adjust
linearity

for

proper

HORIZONTAL
The
simultaneously
and 3 or 4
Turn
Continue
motorboating
with
Continue
start
Retouch
To

observe
hold
Adjust
the

horizontal hold control. Remove

HORIZONTAL
With
again.
bars
the

picture
is

less
until
to

the
picture

AGC
Connect
station
counter clockwise until

FREQUENCY

the set on and

the

horizontal

is

incorrect, adjust

results.

WAVEFORM

horizontal

waveform

while watching

diagonal

B2

the

diagonal

to

motorboar.

B2

control

B2 for

the

If

sloping

than

two or

right

in

CONTROL

the

and

bars
clockwise,
adjusting

Bl and B2 in

stops.

bars

to

turn

Bl in the

until this condition

the

horizontal

1/4

turn

broad

LOCKING

horizontal hold control

picture

remains

down

to the

pulls

into sync.

two

adjust

three

bars

appears

synchronization.

ADJUSTMENT

vertical

adjust

scope

tune

in a TV

adjust

waveform

adjustment

sloping

at the

same

To

check

sloping

same direction.

waveform

from

clockwise

and

narrow peaks

RANGE

in

left.

If the

B6

slightly

are

present.

on the

screen,

amplifier

to

observe video waveform. Rotate

the

compression

SWEEP

ADJUSTMENT

station,

preferably a test

the

horizontal

is

to the

to the

connect

so

of

the

counter
Bl

turn

Turn

then

made

frequency

several

turns

at the

Set the

right

appears

Bl to

the

turn

Bl

until picture

right.

No

additional

the low

that picture

equal height

oscillosope.

clockwise

slightly

and

the

horizontal

is

more than

the

horizontal hold

reverse

direction

to pin 9

disappears.

ADJUST

slug (B2)

the

horizontal drive trimmer (B3)

ADJUSTMENT

the

picture.
down
time adjusting

that manner until

adjustment

down

is

obtained.

ADJUSTMENT

infull

sync turn

Slowly

number

counter clockwise. Recheck

of

oscilloscope

CIRCUIT ADJUSTMENTS

pattern.

If the

slug

(Bl)

out of the

factory

and

horizontal hold control

on the

maintain

3 or 4

oscillator

begins

synchronizes,

bars

should appear

capacity probe

is in

sync.

The

as in

Fig.

position, momentarily interrupt

again

switch

hold control clockwise

three

adjust

as

control

of

adjustment

(plate

of the

the AGC

FOR

picture cannot

until

the

picture

coll

and

readjust

and the

width

normally will require

12. If

fully

screen,

diagonal

to

motorboat, then adjust

of an

oscilloscope

waveform

necessary,

off

channel, repeating

the

horizontal locking trimmer (B6)

above

for the

fully

clockwise

of Bl

video amplifier (6X8). Connect

control clockwise until sync

EQUAL PEAKS

synchronizes.

Bl to

control slug

no

clockwise. Turn

bars

on the

then

reverse

on the

screen.

to

on the

scope should appear

while adjusting

and

note

least

number

and

until

the

be

synchronized horizontally with

If

picture

synchronize

(B4)

adjustment.

screen.

the

direction until picture

Instead

terminal

the

signal

procedure

the

least

of

adjust

diagonal

still

the

picture.

and the

horizontal

Bl and B2 are

Bl

until

the

picture falls

B2

counter clockwise until

the

horizontal

"C"

of

L43. Turn

as in

B2,

keep

the

by

switching

until

picture

number

of

bars

slightly

bars

and

readjust

Bl

until

the

just

low

pulse

diagonal

disappears,

side

to

tips

begin

bar

will

not

If

picture

linearity

adjusted

falls

oscillator

the

Fig,

12.

picture

off

channel

loses

obtained

clockwise.

B6 if

bar

leaving

chassis.

to be

In

the

synchronize,

width

or

slug (B5)

out of

sync

the

out of

sync

should

horizontal

sync

with

and

back

sync with diagonal

just before

If

the

number

necessary,

sloping

down

the

Tune

in a

compressed,

strong

then

PJg

FIG.

SET

242

FOLDER

8

PAGE

13

VHP

TUNER-RIGHT

SIDE

PAGE

14

VHP

TUNER-LEFT SIDE

ITEM

No.

VI
V2
V3
V4
V5
V6

V7
V8
V9

V10
Vll
V12

V13
V14

V15

V16
V17

via

V19
V20
V21

ITEM

No.

V22A

ITEM

No.

CIA
C2A
C3A

C4
C5
C6
C7
C8
C9
CIO
Cll
C12
CIS
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30

C31

C32

C33
C34
CSS
C36
C37

C38

C39

C40

C41

C42

C43

C44

C45

C46

C47

C4B

B
C

B

B

B
C

TUBES

USE

RF

-Amplifier
Converter
1st

Video

IF

Video

IF Amp

Video

IF

Detector-

-Sync-Sep.

Amplifier-

Sync Sep.

Output-

Keying

Sound

IF

Sound

IF

Detector

Amplifler-

Clamper

Output

Mult

Mult

AFC­ Oscillator

Rectifier
Rectifier
Rectifier

Victor

No.

RATING

VOLT

400

1

400

J

400

1

50

}

350

1
350
50

J

400

200

Amp.

Amp.

-

2nd
3rd
Video
Horiz.
Video
Vert
Video
AGC
1st

2nd
Ratio
AF
AGC
Audio
Sync Amplifier­Vert

Vert

Vert. Output
Horiz.

Horlz.
Horiz Output
Damper
HV
LV
LV

RCA

PART

21EP4A

21ZP4A

21AP4

CAP.

.80

»20

.100

420

•

10

»5
30
18

>
27
33

3.3
270

.8-3
1000
470
1000
270
1000
1000
1-4

2.2
150
270

2.2

LOO

1000

.8-3

.8-3

.68

10

10

10

.8-3

1000
82

1000
1000
470

10000

470

.22
470
15
470
.47
470
470
470
470
470
1000

PARTS LIST & DESCRIPTION

(SYLVANIA, GENERAL

Amp

Amp.

CBS-HYTRON

PART

21EP4A
21EP4B

21ZP4A
2LAP4

RCA

77644
78212
78213

54207

93056

70935

76739

71504

75199

77084

77293

77252

75199

77252
77252

71502
78276
75199
71502

75437
77084

77151

77913

71504
77865
78247
77865

77151

77084

77084
77084
77293
73960
77293

6BQ7A

6X8

6CF6
6CF6
6CB6

12AU7

6X8

12ATJ7
6AU6
6AU6
6AL5

6AV6
6K6GT

6SN7GT
6K6GT
6SN7GT

6BQ6GT
6AX4GT
1B3GT
5U4G
5Y3GT

No.

(D

©

Capacity
and

Paper

Victor

PART

73794
77293
39044
77293
73787
77293
77293
77293
77293
77293
77253

REPLACEMENT

RCA

Victor

PART

No.

CATHODE-RAY

REPLACEMENT

GENERAL

PART

21EP4A

21ZP4A
21AP4

(2)

values

given

Capacitors,

AEROVOX

No.

PART
AFH2-63
AFH2-91
AFH3-136

SI18NPO
SI5NPO
SI27NPO
SI33NPO
SI3.3NPO
SI270

EF-001
BPD-00047
BPD-001
SI270
BPD-001
BPD-001

SI2.2NPO
SI150

SI270

SI2.2NPO
SI100
EF-001

SI10NPO
SI10NPO
SnONPO

EF-001
SI82
EF-001

EF-001
BPD-00047
BPD-01

BPD-00041

P488-22
BPD-00047
SI15N750
BPD-00047
P488-47
BPD-00047
BPD-00047
BPD-00047
BPD-00047
BPD-00047

BPD-001

DATA

STANDARD

REPLACEMENT

6BQ7A

6X8

6CF6
6CF6
6CB6

12AU7

6X8

12AU7
6AU6
6AU6
6AL5

6AV6
6KBGT

6SN7GT
6K6GT
6SN7GT

6BQ6GT
6AX4GT
1B3GT
5U4G
5Y3GT

DATA

ELECTRIC

No.

in the

and in

CENTRALAB

No.

(CONT'D

ELECTRIC,

RETMA

BASE

TYPE

9AJ
9AK
7CM
7CM
7CM

9A
9AK
9A

7BK
7BK
6BT

7BT
73

8BD
7S
8BD

6AM
4CG
3C
5T
5T

TUBE

SYLVANIA

PART

21EP4A

21ZP4A

CAPACITORS

rating

mmfd.

PART

No.

TCZ-18
TCZ-4.7
TCZ-27
TCZ-33

TCZ-3.3

D6-271

829-3
MFT-1000
D6-471
DD-102
D6-271
DD-102
DD-102
829-4
TCZ-2.2
D6-151
D6-271
TCZ-2.2
D6-101
MFT-1000
829-3
829-3
TCZ-.68
TCZ-10
TCZ-10
TCZ-10
829-3
MFT-1000
D6-820
MFT-1000
MFT-1000
D6-471
DD-103
D6-471

D6-471
TCN-15

D6-471
D6-471

D6-471
D6-471
D6-471
D6-471
DD-102

ON

WESTINGHOUSE

No.

21EP4A
21EP4B

21ZP4A

column

for

Mica

REPLACEMENT

CORNELL-

DUBILIER

PART

C036

C152
C153

TZ12

TZ07

TZ16
TZ18

TZ06

TP41

K060
K069

TP41

K069

K069
TZ05

TP36

TP41

TZ05
TP34

TZ02

TZ09
TZ09
TZ09

G040

K060
K082
K060

CUB4P22
K060
TN03

K060
CUB2P47
K060
K060
K060
K060
K060
K069

NEXT

SET

242

WESTINGHOUSE)

PART

No.

(D

are in

mfd.

and

Ceramic

DATA

ERIE

PART

No.

NPOK-180
NPOK-050
NPOK-270
NPOK-330
NPOK-3R3
GP2K-271
311-01-OR5

821-471
801-001
GP2K-271
801-001
801-001
3115-01-10
NPOK-2R2
GP2K-151
GP2K-271
NPOK-2R2
GP1K-101

3115-01-OR5
3U5-01-OR5
NPOK-H68
NPOK-100
NPOK-100
NPOK-100
3115-01-OR5

GP1K-820

821-471
811-01
821-471

821-471
N750K-150
821-471

821-471
821-471
821-471
821-471
821-471
801-001

PAGE)

FOLDER

RETMA

for

No.

NOTES

BASE
TYPE

12N

<D

Aluminized

12N

(2>

Circuit

12N
12D

Electrolytic

Capacitors.

MAUORY

PART
FP444.8
FP431.4
FP231

r
L

TC47

ZT-555
ZT-5433

ZT-5533
UC-5327

UC-5347

DC-521

UC-5327

DC-521
DC-521

UC-5315

UC-5327

UC-531
CT555A

CT565A

ZT-541
ZT-541
ZT.-541

CT565A
UC-5482

UC-5347

DC-511

UC-5347

PT4025
UC-5347

NT-5415

UC-5347
PT405
UC-5347
UC-5347
UC-5347

UC-5347
UC-5347
DC-521

NOTES

necessary

No.

changes

SPRAGUE
PART

No.
TVL-2673
TVL-3672
TVL-3637

5TCC-Q18
5TCCB-V47
5TCC-Q27
5TCC-Q33
5TCCB-V33
5GA-T27

503C-D1
5GA-T47

5HK-D1

5GA-T27
5HK-D1

5HK-D1
5TCCB-V22

5GA-T1S

5GA-T27
5TCCB-V22
5GA-T1
503C-D1

5TCC-Q1
5TCC-Q1
5TCC-Q1

503C-D1
5GA-Q82
503C-D1
503C-D1
5GA-T47
5HK-S1
5GA-T47

4TM-P22
5GA-T47
5TCU-Q15
5GA-T47
2TM-P47
5GA-T47
5GA-T47
5GA-T47

5GA-T47
5GA-T47
5HK-D1

NOTES

Note
Note

Note
Note

Note
Note

Note

Note

<=

w 2

"So

— • - o

in O P

N

o-c

s?

2

6

2

7

2

2

2

8

PAGE

15

Fo

Sg

v>

c

2. ' U

a w

P

A

ui

O

ITEM

No.

C49A

C50
C51

C52
C53
C54
C55
C56
C57
C58
C59
C60

C61
C62
C63
C64

C65A

C66

C67
C68
C69
C70
C71
C72
C73

C74

C75
C76
C77
C76
C79
C80
C81

C82
C83
C84
C85
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

CU5

cue

C117

cue

C119

C120

C121

C122

C123

Note

Note
Note
Note
Note
Note

Note

Note

ITEM

No.

R1A

R2A

R3A

R4A

R5A

CAPACITORS

RATING

CAP.

70
70

B

0000

70
70

0

7

0039

7
047

0027

1
20

0022

001
001

0000
0000
0000

B

0000

47

70
170
170
470

.0022
.0047

.033
.01

.0027

270

.01

.0027

330

.1
.033
180

.0039

270

.0082
.0027
.0033

.1
.01
.047
.068
.022

.0027

.015
.022
.001
.047

.0047

.1
220
82
.047
.47
.022
.1

.001
68
12
330

.01
.022
.1
.0012

.0006

.1

.27
270

.039
.039
82
500
91

1.

Some

2.

Not

3.

Some

4.

Some

5.

Some

6.

Some

7.

Some

8.

Some

VOLT

00
00

00
00

000

00
00
00

00

00
00

00
400
200
200

600
400

1000
500

400

600
400

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

1000
600
1000
400

600

600
600
200
1000
1000
1000

3500
25000

Models

used

Models
Models
Models
Models
Models
Models

In

RCA

Victor

PART

No.

77672
73960

77293
77293
33098

73796
39042
73592

73599

73557

75248

73595

75643

75643

76991
73960

73980

73787

77293
77293
39644
39644
73595
73920
73552
73561

73599
47617
73561
73818
39640
73551
73552
71922
73796
76579
73808
73599

73551
73565
73592
73792
73796
73599
73797
73798
75643
73592
73920
73551
39636
76474
73553
73787
73562
73551

75643

76475
33380
76476
73594

73610
73557

76995

76479

73557

73788.

76579
73813
73813
78225
76488

use

.0039MFD

all

Models.

use

68MMF

use .

056MFD

use

.001MFD
use . 1-4 MMF in
use . 8-3 MMF in

use

1000MMF

in

in

this

in

in

In

AEROVOX

PART

No.

BPD-00047
BPD-00047
BPD-01
BPD-00047
BPD-00047
SI10NPO
SI47NPO

3147

P688-047
P688-1

HVD15-00022
P

688-0022
P688-001
P688-001
BPD-2X01

BPD-01
BPD-01
P288-47
BPD-00047

BPD-00047
1469-0005
1469-0005
P688-0022
P688-0047

P688-033

P488-01

SI2700

SI270

P488-01

P488-1

P688-033

P688-0033
P688-1

P688-047

P688-022

P688-022
P1088-001
P688-047

P688-0047

P688-1

P688-047

P288-47

P488-022
P488-1

P688-001

1469-00007

SI12

P1088-022

P488-1

P688-1

this

application

application.

this

application.

this

application.

this

application.

this

application.

this

application.

ENTRALAB

PART

D6-471
D6-471
DD-103
D6-471
D6-471
TCZ-10
TCZ-47

D6-470
DF-503

DF-104
D6-222

D6-102
D6-102
DD3-103

DD-103
DD-103

D6-471
D6-471

D6-222
D6-472

D6-103

DF-104

D6-332
DF-104

DF-203
DF-503

DF-503
DF-203

DF-104

D6-120

DF-104

(part

CONTROLS

RATING

RESIST-

ANCE

10KB

B

1 Meg

Switch

C

200KB
Shalt

B

3.

5Meg

B

Shalt

2.

5Heg

B

Shaft

1.

5Meg

B

Shaft

WATTS

i
i

i
i

i

2

RCA

Not

PART

78208

78209

Not

78206

Not

78207

Nat

78210

Victor

No.

Req.

Heq.

Dm.

Req.

IRC

PART

»

QJ-504

Qll-129

Not

Req.

Qll-141

Not

Req.

Qll-239

Not

Heq.

011-138

Not

Req.

No.

REPLACEMENT DATA

CLAROSTAT

PART

RTV-443

A47-200K-S

FS-3

A47-3.

FKS-1/4

A47-2.

FKS-1/4

A47-1. 5Meg­KSS-3

REPLACEMENT

No.

D6-272
D6-271
D6-103

DF-503
DF-203

D6-472
DF-104

D6-102

DF-104

TV8-503

#78221),

No.

5Meg-

5Meg-

CORNELL-

DUBILIER

PART

K060
K060

K060
K060
TZ09
TZ22
PM6D39

CUB6S47
CUB6P1
CUB6D22

CUB6D1
CUB6D1
DK082

K082
K082
CUB2P47
K060
K060
5H5T47
5R5T47
CUB6D22
CUB6D47
PM4333
CUB4S1

MHU30T

g

g

(cont)

DATA

No.

K082

TP29
PM6D27

1

TP59

TP41

CUB4S1

PM10D27

5H5T33

CUB4P1

PM6S33
1R5D39

PM6D82

PM6D27
CUB6D3
CUB6P1

CUB6S4

CUB6S22

CUB6S22
CUB16D1
CUB6S4

CUB6D4
CUB6P1

22H5T22
CUB6S47

CUB2P4
CUB4322
CUB4P1
CUB6D1

5R5Q68

TP10

CUB16S2
CUB4P1
PM6D12

CUB8P1
PM4P27

PM10S39
PM10S39

CENTRALA6

PART

No.

B-46
Not

Req.

AB-86

AK-1

AB-83

AK-1

AB-75

AK-4

ERIE

PART

821-471
821-471
811-01
821-471
821-471
NPOK-100

NPOK-470

GP1K-470

IH5KV-221

GP2-333-222
GP2L-102
GP2L-102
611-01

1

11-01
11-01

811-01
821-471

21-471

GP2-333-222
GP2

-333-472

GP2-333-103

GP2-333-272
GP2K-271
GP2-333-103

GP2-333-332

GP2-333-472

GP2L-102
GP1K-120

UF14L
UR16-T254M
US-26

U-43
Not
U-67

Not

U-255

Not
U-155

Not

No.

MALLORY
PART

No.
I

J

Req.

Req.

Req.

Heq.

MALLORY

PART

UC-5347
UC-5347
DC-511
UC-5347
UC-5347

ZT-541
ZT-5447

UC-5447
PT6147

PT601
MCK322
PT6222
PT621
PT621

DC

-521

DC-521

DC-521

DC-521
PT405

UC-5347
UC-6347
MCB245

MCB245
PT621
PT6247

PT4133

PT401

UC-5327

PT411

PT401
PT6133

PT6233
PT601

PT6147
PT6122

PT6122
PT1621
PT6147
PT6247
PT601

PT6147
PT405
PT4122
PT401
PT621

UC-5412

PT16122
PT401

PT601

No.

J

1

INSTALLATION

Contrast
Volume
Attach

to
Brightness
Attach

to R2A

Height
Attach

to

Vert.

Linearity

Attach

to R4A
Vert

Hold

Attach

to R5A

SPRAGUE
PART

5GA-T47
5GA-T47

5HK-S1
5GA-T47
5GA-T47
5TCC-Q1
5TCC-Q47

5GA-Q47
6TM-S47

6TM-P1
10GA-T22
6TM-D22
6TM-D1
6TM-D1
5HK-2S1

5HK-S1
5HK-S1
2TM-P47
5GA-T47
5GA-T47
MS-35

MS

6TM-D22
6TM-D47

4TM-S1

5HK-D27
5GA-T27
4TM-S1

4TM-P1

6TM-D33
6TM-P1

6TM-S47
6TM-S22

6TM-S22

MB-D1

6TM-S47
6TM-D47
6TM-P1

6TM-S47
2TM-P47
4TM-S22
4TM-P1
6TM-D1

MS

5GA-Q12

MB

4TM-P1

6TM-P1

(Panel)

tapped

RIB

R3A.

-35

-47

-322

at

No.

NOTES

250K

NOTES

Note
Note

Note

Note

Note

Note

Note

Notel

Note

Note
Note

(Rear)

RATING

ITEM

No.

RESIST-

WATTS

ANCE

R6A

75KB

B

Shalt

R7A

ITEM

R8
R9
RIO
Rll
R12
R13
H14
R15
R16
H17
RIB
R19
R20
R21
H22

R23
R24
R25
R26
R27
R28

R29
R30
H31
R32
R33
H34
R35
R36
R37
R38
H39
R40
R41
H42
R43
R44
R45
R46
R47
R48
H49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59

H60

R61
R62
H63
R64
R65
R66

No.

ITEM

Tl

B

•

CONG

t

Universal

6SOOB

120S!

IOOOB

IMeg
IMeg
470B

IOOOB

100KB
lOOKf!

33B

3300

15KB

100KB

12KB

1.

1000
180K
15KS!

1000B
150KB

681!

looon

56KB
43KB

33B

IOOOB-

1. 5 Meg

3800B
56KB

180B

47KB

12KB

3900B

120B

3.

12KB
18KB

5600
470KB

isoB

1500B
7500B
470KB
220KB
150KB

3. 9 Meg

470KB
390KB
47KB
68KB

82B

1000B
3300(2

470B
1000B

10KB
47B

39KB

10KB

No.

)

Parallel

)

Drill

)

Parallel

500KB
Shaft

RATING

OHMS

B

5Meg

B

5%

5%

9Meg

5%

PSI.

117VAC

®1.9A

SEC.

6. 3 VAC

89.5A
new

TRIK1T

replacement

WATT

5%

5%

1

i

5%

1

|

5%

|

|

\

i
|
|
1

5%

1
i
I

I
f

1

i

5
1

7

i

B
J
2
i

i

I

3

and

phase

mounting

and

phase 4 6.3V®

2
2

2

2

2

2
5

4

2

3

PARTS

LIST & DESCR

RCA

Vlctoi

PART

No.

77639

Not

Req.

76975

i

Not

Req.

EQUIVALENT

(Mallory

REPLACEMENT

RCA

Victor

PART

503268
502112
503210
503510
503510

503147
503210
503410
503410
502033
503233
523315
503410
523312

502515
503210

502418
503315
503210
502415
502068
503210
502356
502343
502033
503210
502515
77671
502356
502118
503347
503312
502239
503112
503539
503312
523318
503256
503447
503118
503215
512275

503447
503422
503415
503539
503447
503439
513347
50336B
503082
513210
77670
503447
503210
523310
503047
503339
502310

1

i

6.3V
holes.

No.

Note

1.
Note
Note
Note
Note
Note

6,

SEC.

5VAC

®5A

SEC.

windings

BTS-82
BTA-1000

BTB-10K
BTS-47
BTS-39K
BTS-10K

Some

2.

Some

3. Not

used

4.

Some

5.

Some

Some Models

2

78200

5

and use as

3A

windings

i
i

a

2
2

i
9

\

I

\

i
2

2

i

i

1
J

\

1
±
±
1

2

7
2

2

a

RATING

SEC.

550VCT
.280ADC

SEC.

CONTROLS

REPLACEMENT

IRC

PART

No.

Qll-125

Not

Heq.

Qll-133

Not

Req.

KIT K-2

BASE
B13-137X & Hl-216
exact

ELEMENT

duplicate

DATA

IRC

PART

No.

BTS-6BOO
BTS-120
BTS-1000

BTS-1

Meg

BTS-1

Meg

BTS-470

BTS-1000
BTS-100K
BTS-100K
BTS-33
BTS-3300
BTB-15K
BTS-100K
BTB-12K
BTS-1.

5Meg

5%

BTS-1000
BTS-180K

5%
BTS-15K
BTS-1000
BTS-150K
BTS-68
BTS-1000
BTS-56K
BTS-43K

5%

BTS-33

5%
BTS-1000
BTS-1.

5Meg

BTS-56K

5%

5%

9Meg

5%

9Meg

Note

Note
Note

Note

Note

Notel

BTS-180
BTS-47K
BTS-12K
BTS-3900
BTS-120
BTS-3.
BTS-12K
BTB-18K
BTS-5600
BTS-470K
BTS-160
BTA-1500
BTA-7500
BTS-470K
BTS-220K
BTS-150K
BTS-3.
BTS-470K

Bts-sgoK

BTA-47K
BTS-68K

BTS-470
BTS-1000

5%

models

may use a

models

may

use a 330KSi

in all

models.

models

may use a

models

may use an
may use a

TRANSFORMI

RCA

Victor

PART

No.

Sec.

3.

and use as

CLAROST;

PART

Ne

A47-75K-S
KSS-3
A47-500K­FKS-1/4

(Rear)

Part

No.

RESIST)

NOTES

3
3

3

3

3

270KO

5600fi

8200

390KI2

Stoncor

PART

P-8167

Sec.

No

(J

3.

PAGE

16

MALLORY
PART

No.

UC-5347

UC-5347
DC-511
UC-5347
UC-5347

ZT-541

ZT-5447

UC-5447
PT6147

PT601
MCK322
PT6222
PT621
PT621
DC-521

)

DC-521

/
DC-521
DC-521
PT405
UC-5347
UC-5347
MCB245
MCB245
PT621
PT6247
PT4133
PT401

UC-5327

PT411

PT401
PT6133

PT6233
PT601

PT6147

PT6122

PT6122
PT1621
PT6147
PT6247
PT601

PT6147
PT405
PT4122
PT401
PT621

UC-5412

PT16122
PT401

PT601

INSTALLATION NOTES

Contrast
Volume
Attach
Brightness
Attach
Height

Attach
Vert

Attach
Vert

Attach

SPRAGUE

PART

5GA-T47

5GA-T47

5HK-S1
5GA-T47
5GA-T47
5TCC-Q1
5TCC-Q47

5GA-Q47
6TM-S47

6TM-P1
10GA-T22
6TM-D22
6TM-D1
6TM-D1
5HK-2S1

5HK-S1
5HK-S1
2TM-P47
5GA-T47
5GA-T47
MS-35

MS

6TM-D22
6TM-D47

4TM-S1

5HK-D27
5GA-T27
4TM-S1

4TM-P1

6TM-D33
6TM-P1

6TM-S4Y

6TM-S22

6TM-S22

MB-D1

6TM-S47
6TM-D47
6TM-P1

6TM-S47
2TM-P41
4TM-S22
4TM-P1
6TM-D1

MS

5GA-Q12

MB-S22
4TM-P1

6TM-P1

(Panel)

tapped

to

RIB

to R2A

to

R3A.

Linearity

to R4A

Hold

to R5A

PARTS

RATIb

NOTES

No.

Note

2

Note

2

Note

2

Note

2

Note

2

-35

Note
Note

Note

Note

-47

Note
Note

at

250K

(Rear)

ITEM

No.

RESIST-

WATTS

ANCE

R6A

75Kn

B

Shalt

R7A

500KJ2

B

Shalt

TRIKrr

t

Universal

replacement

RATING

ITEM

No.

R8
R9
RIO
Rll
R12
R13
R14
R15
R16
R17
RIB
R19
R20
R21
R22

2
5

R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33

1

R34
R35
R36

4

R37

R38

R39

R40

R41

R42

R43
P.44

H45

R46
R47

R48

R49

H50
H51

R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
H62
R63
R64
R65
R66

2
3

ITEM

No.

Tl

1

Parallel

)

Drill

)

Parallel

OHMS

6800ft

120O

looon

1

Meg

IMeg
470n

1000

1!

100KQ
100KSI

33n

3300!!

15KO

100KS!

12Kn

1.

SMeg

lOOOn

180K

15KIJ
lOOOn
150KSI

68n

lOOOn
56KSJ
43KS!
33^5%

looon-

1.

5 Meg

3800n
56KO
180SJ
47KS!
12KSJ
3900U

120O

3.

9Meg

12KSJ

18KU

5600
470Kfi

180

f!

1500H
7500!!
470K!!
220KO
150KH

3. 9 Meg

470K!!
390KSJ
4TKI!

68K!!
82!!

JOOOO

3300!!

470

£1

looon

OKfi

17O

39K!!

JOK!!

PRI.

117VAC

®1.9A

SEC.

6. 3 VAC

JS9.5A

new

5%

5%

5%

5%

5%

5%

5%

3

and

phase

mounting

and

phase 4 6.3V®

WAH

\
I

1

i.

\

\

l

f

a

z
z
z

z
z

7

*

2

1
|

I

z

i

z

2

,

i
1
1
1

1
a

|

-i­1
|
1

5

|
1

1
G
\

f

1

LIST & DESCRIPTION

CONTROLS

REPLACEMENT

IRC

PART

Qll-125

Not

Req.

Qll-133

Not

Heq.

KIT

K-2

B13-I37X & Rl-216

exact

duplicate

DATA

IRC

PART

BTS-6800
BTS-120
BTS-1000

BTS-1

Meg

BTS-1

Meg

BTS-470
BTS-1000
BTS-100K
BTS-100K
BTS-33
BTS-3300
BTB-15K
BTS-100K
BTB-12K

BTS-1.

BTS-1000
BTS-180K
BTS-15K

BTS-1000
BTS-150K

BTS-68
BTS-1000
BTS-56K
BTS-43K
BTS-33
BTS-1000
BTS-1.

BTS-56K
BTS-180
BTS-47K
BTS-12K
BTS-3900
BTS-120
BTS-3.
BTS-12K
BTB-18K
BTS-5600
BTS-470K
BTS-180
BTA-1500
BTA-7500
BTS-470K
BTS-220K
BTS-150K
BTS-3.
BTS-470K
BTS-390K
BTA-47K
BTS-68K

BTS-82
BTA-1000

BTS-470
BTS-1000

BTB-10K
BTS-47

BTS-39K

BTS-10K

Some

models

Some

models

used

in all

Some

models

Some

models

Some

Models

TRANSFORMER

HCA

PART

2

78200

5

and use as

3A

windings

No.

A47-75K-S
KSS-3
A47-500K-S

FKS-1/4

BASE ELEMENTS & SHAFTS

Part

RESISTORS

NOTES

No.

5Meg

5%

5%

5%

5%

SMeg

5%

Note

Note
Note

5%

9Meg

Note

Note

5%

Note

9Meg

5%

may use a

may use a

models.

may use a

may use an

may use a

Victor

No.

Sec.

3.

and use as

3

i

EQUIVALENT

RCA

503268
502112
503210
503510
503510
503147

503210

503410

2

503410

a

502033
503233
523315
503410

523312

502515

503210
502418
503315

503210
502415
502068
503210
502356
502343
502033
503210
502515
77671
502356
502118
503347
503312

502239
503112
503539
503312
523318
503256
503447
503118
503215
512275
503447
503422
503415
503539
503447
503439
513347
503368
5030B2
513210
77670
503447
503210
523310
503047
503339
502310

RATING

SEC.

1

550VCT
.280ADC

SEC.

4

6.3V
holes.

RCA

Vlctoi

PART

No.

77639

Not

Req.

76975

Not

Req.

(Mallory

REPLACEMENT
Victor

PART

No.

Note

1.

Note

2.

Note

3. Not

Note

4.

Note

5.

Note

6.

SEC.

5VAC

®5A

SEC.

windings

DATA

CLAROSTAT

PART

No.

(Hear)

No.

3

3
3

3

3

1

270Kfi
330KR

56000

8200

390KS1

PART

No.

P-8167

(J

Sec.

3.

(cent)

CENTRALAB

PART

AB-35

AK-4

AB-59

AK-1

Si

SWITCH

UE775S)

ITEM

No.

ionn

R67
R6B
R69

10

SOOKn

R70

470Kn

R71

56on

R72

ISOOn

R73
R74

lOKSi

R75

680KO
6800n

R76
R77

68KU
l8Kn

R78

270Kn

H79
R80

2.
39Kn

H81
H82

1.

RB3

47KS!

B84
R85
R86
R87
R88
R89
R90
R91
R92
R93
R94
R95
R96

470KC!

R97
R98
R99
R100
R101

15KS2
22KS!

R102
H103
R104

150KIJ
330KSJ

RIO

5

820Kn

RIO

6

330KS!

RIO

7

82Kn

R108
R109

150KO

R110

1.

Rill

R112

16KO

R113

820Kfi
4TKn

R114

2.

R115

R116

1 Meg

R117

47ft

R118

18011

RU9

6800!!
56KH

H120
R121

.8211

R122

1000

560n

R123
R124

seora

R125

lOOKn

resistor

resistor

resistor
resistor

resistor

(POWER)

REPLACEMENT

Merit

PART

(continued)

MALLORY

No.

PART

No.

U-41
Not

Req.

SU-50

Not

Req.

B17-116 & Pl-200

76-1.

RATING

OHMS

wAn

1

2KB

Meg

2Meg

2Meg

4700n
3300SJ
22Kn

18Kn
18K1!

22Kn
470KS1
270KSJ

18KB

390Kn
33Kn
8200n

820Kn
470KSJ
22KC!
3300n

6BKSJ

3900SJ

BMeg

2Meg

B

In

this

In

In

this

in

this

In

No.

5%

5%

5%

5%

5%

5%

this

this

1

2

5%

1

k

1

2

\

I
|

I

|

1

5%

&

i

a

z

k

f

5%
5%

~Z

\

±

2

i

B

Z

1

Z

5%

1

i

1

5%

1
i
1
|

2

2
£

%
~

i

f
a

1

application.

application.

application.
application.

application

DATA

Triad

PART

No.

H-61BC

®

502310
503312
503610

503447
513156

523218

503310
503468

503368
503318
503427

503522
503339
503512
503347

503447

503222

503415

503433

503482

503433

503382

503239

512518

503318

502482

513347

503522

503510

503047

76639

523268

503356

76382

503210

(Panel)

REPLACEMENT

HCA

Victor

PART

503247
30133
503322
503318
503318
503322
503447
503427
502318
503439
502333
503282

502482
502447
502322
503233
503315

503368

512415

.

RCA

TYPE

INSTALLATION

Horlz.

Attach

AGC

Attach

No.

No.

Hold
to R6A

to H7A

DATA

PART

BTS-10K
BTS-12K
BTS-10
BTA-330K
BTS-470K
BTA-560
BTB-1800
BTS-10K
BTS-680K
BTS-6800
BTS-68K
BTS-18K
BTS-270K
BTS-2.
BTS-39K
BTS-1.
BTS-47K

BTA-4700

BTS-330

BTS-22K
BTS-18K
BTS-18K

BTS-22K
BTS-470K
BTS-270K
BTS-18K
BTS-390K
BTS-33K
BTS-8200
BTS-470K
BTS-820K
BTS-470K
BTS-22K
BTS-3300
BTS-15K
BTS-22K
BTS-68K
BTS-150K
BTS-330K
BTS-820K
BTS-330K
BTS-82K
BTA-150K
BTS-3900
BTA-1.

BTS-18K
BTS-820K
BTA-47K
BTS-2.

BTS-1

BTS-47

BTB-6800
BTS-56K

BTS-1000
BTS-560
BTS-560
BTA-100K

Halldorson

PART

No.

IRC

No.

Meg

2Meg

2Meg

SMeg

2Meg

Meg

NOTES

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

Thordarson

PART

26HOO©®

NOTES

Note

Note

Note

Note

No.

ITEM

No.

T2
T3
T4A

B
T5
T6

)

Drill

i)

Connect
5
)

Enlarge
)

Connected
D

Alternate

Includes

Horlz.

Output

Vert.

Output
Yoke-Horlz.
Yoke-Vert.
Horiz.

Lin.

Width

Coil

new

mounting

as

auto
the
mounting

to

deflection

USE

Trans.

Trans.

(13 . 4MB)

(37MH)

Coll

(2-B.5MH)

(1.8-13MH)

holes.

transformer

following

hole.

coded

blue

Items:

yoke

and

for

i

*HORI

2

4

Connect

Coil

Across

6

3

ITEM

No.

SP1A

ITEM

No.

LI
L2
L3
L4

L5

L6
L7

L8

L9

no

Lll

L12
L13
L14
L15

L16

L17
LIB

IMPEDANCE

SIZE

B

Ant
Ant
IF
Ant.
Coll
Ant
Coll
IF
FMTrap

Ant

Ant
Ant.
UHF
Coll

Fll.

IF

Trap
Neutr.
RF

RF

RF
Mixer
coil

Special

Notes

5"

8"

USE

Trans.
Trans.

Trap

Shunt

Shunt

Trap

Colls

Coil

Coll

IF

Choke

Coll

Coil

Colls

Coil

grid

Width

Input

~"

RATINGS
FIELD

PM

PM

ORIGINAL

TERMINAL

CONNECTIOI

5

4

3

2

1

241

HCA

Victor

V. C.

IMP.

3.51!

3.

en

DC

RES.

PRI.

.6R

.6!J

on
on

on

on

on
on
on

on
on

on
.311

OS!

on

on

on
on

TION

nt)

A

CENTRALAB

PART

No.

AB-35

ft.K-4

AB-59

(LK-1

SHAFTS B17-116
WTCH

76-1.

75S)

RATING

EM
4o.

OHMS

>7

OKI!

5%

2KB

18

0 Meg

i9
10

00KB

5%

71

70KSJ

12

60B

BOOB

73
74

OK«

15

80KB

soon

16

88KB

77

8KQ

78
79

70KB

JO

.2Meg

il

9KB

12

.2Meg

47KB

13

84

4700O
3300B

5%

85

22KB

B6
87

18KB
18Kn

88

22KB

89

470KH

90

270KB

91

18KB

5%

92

390KB

93

33KB

5%

94
95

8200!!
470KB

96

820KB

5%

97

470KB

5%

98

22KB

5%

99

3300B

100
101

15KB

102

22KB
68KB

103

150KB

104

330KB

105
106

820KB
330KB

107
108

8

2KB

150KB

5%

109

3900B

110

1.

SMeg

111
112

18KB

113

820KB

5%

47KB

5%

114

2.

2Meg

115

1 Meg

116

47B

117

180B

118
119

6

800S2

120

56KB

.

B2B

121
122

1000

B

560B

123

560B

124

100KB

125

•istor

in

this

listor

In

this

Istor

in

this

istor

in

this

ilstor

In

this

(POWER)

REPLACEMENT

Merit

PART

No.

(continued)

MALLORY
PART

U-41
Not

Req.

SU-50

Not

Req.

Si

Pl-200

IWATT

|

I
|

1

|
1

2

a

I

2
1
9

I

5
|
9

1

1

f
1

i
1

1
i

1
£

|

2

2
\

\

3

I

1

z

1

5%

1

\

i
1

2
2

2
2

i
~
"

1

a

2

1

application.

application.

application,
application,

application

DATA

Triad

PART

No.

R-61BC

No.

©

(Panel)

REPLACEMENT

RCA

Victor

PART

502310
503312
503610

503447
513156
523218
503310
503468

503368
503318
503427
503522
503339
503512
503347

503247
30733
503322
503318
503318
503322
503447

503427
502318
503439
502333
503282
503447
502482
502447
502322

503233
503315
503222
503368
503415
503433
503482
503433
503382

512415

503239

512518

503318
502482
513347
503522
503510

503047

76639

523268
503356
76382
503210

.

RCA

TYPE

INSTALLATION

Horiz.

Attach

AGC

Attach

No.

No.

Hold
to R6A

to R7A

BTS-10K
BTS-12K
BTS-10
BTA-330K
BTS-470K
BTA-560
BTB-1800
BTS-10K
BTS-680K
BTS-6800
BTS-68K
BTS-18K
BTS-270K
BTS-2.
BTS-39K
BTS-1.
BTS-47K

BTS-470K

BTS-820K
BTS-470K
BTS-22K

BTS-820K

BTS-82K

BTS-820K
BTA-47K
BTS-2.

BTS-1

BTS-47

BTS-1000
BTS-560
BTS-560

PART

DATA

IRC

PART

No.

Meg

2Meg

2Meg

BTA-4700
BTS-330
BTS-22K
BTS-18K
BTS-18K
BTS-22K

BTS-270K
BTS-18K
BTS-390K
BTS-33K
BTS-8200
BTS-470K

BTS-3300
BTS-15K
BTS-22K
BTS-68K
BTS-150K
BTS-330K

BTS-330K

BTA-150K
BTS-3900
BTA-1.

SMeg

BTS-18K

2Meg

Meg

BTB-6800
BTS-56K

BTA-100K

No.

.NOTES

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

5%

Thordarson

PART

26BOO®®

NOTES

Note

Note

Note

Note

No.

TRANSFORMERS

ITEM

No.

T2
T3
T4A

B
T5
T6

CD

Drill

©

Connect

(3)

Includes

d>

Enlarge

Connected

§

Alternate

2

4

6

Horlz.

Output

Vert.

Output
Yoke-Horlz.
Yoke-Vert.
Horlz.

Lin.

Width

Coll

new

mounting

as

auto

the

following

mounting

to

deflection

Connect

Width

Coil

Across

Special

Notes

USE

Trans.
Trar.s.
(13.4MH)

(37MH)

Coll

(2-8.

(1.8-13MH)

holes.

transformer.

hole.

coded

blue

yoke

^HORIZONTAL

ORIGINAL
TERMINAL

CONNECTIONS

RCA

78201
78202
76616
77697®
76442

5MH)

78205

Items: 6 contact

and red

terminals.

for all

chassis

Use

Replacement

5

4

3

2

1

2

& 1

Victor

PART

®

©

male

with

OUTPUT

Original

Stancor

7

4

T

3

1

3

& 1

0)

No.

TRANSFORMER

ITEM

IMPEDANCE

No.

PRI.

6.5KO

T7

ITEM

3

No.

SP1A

ITEM

No.

LI
L2
L3
L4

L5

L6
L7

L8

L9
L10
Lll

L12
L13
L14
L15

L16

LIT
L18

B

SIZE

5"

8"

Ant.
Ant.

Trans.

IF

Trap

Ant

Shunt
Coll
Ant

Shunt
Coll
IF

Trap

FMTrap

Ant

Colls

Ant

Coll

Ant.

Coll
UHF
Coll
Fll.

Choke

IF

Trap
Neutr.
RF

Coll

RF

Colls

HF

Coll

Mixer

coll

SEC.

3.5fl

USE

Trans.

IF

Input

Coll

grid

RATINGS

FIELD

PM

PM

RCA

76997

V. C.

.6B
.6B
OB

on

OB
OB
OB

OB

OB
OB

on
on

.3B
OB

on
on

OB

OB

PART

3.5B

3.5B

PRI.

Victor

No.

IMP.

DC

RES.

.6B
.6B

SEC.

Stancor

PART

A-S878Q)

HCA

PART

77000

75022

73591
76542

76538

76537
76541
76540

78398

77859
78401

78271
77206

76562
77921

78274

77919

No.

Victor

No.

(J>

RCA

PART

73591

Victor

Stoncor

PART

•A-8137
A-8145©
D6-9A

WC
WC-8

connector

printed

circuit

TRANSFORMER

Width

Coil

Merit

Replacement

9

i

7

3
1

3

Si

a>

REPLACEMENT

Merit

PART

No.

A-3020

SPEAKER

REPLACEMENT

JENSEN

PART

ST-105

(Mod.P5-X)

COILS

No.

(CONT'D

(SWEEP

No.

PART

•HVO-9

A-3038©

MDF-72

-8

MWC-6@)

MWC-6@)

(part

#75542),

IF.

Unless

Replacement

Replacement

or 5

I

(AUDIO

DATA

Triad

PART

No.

S-5XCJ)

DATA

No.

5A07

(RF-IF)

REPLACEMENT

MEISSNER

PART

No.

ON

NEXT

CIRCUITS)

REPLACEMENT
Merit

PART

No.

•D-19

A-108X

Y-17

WC-12®
WC-L2®

C121

R122,

CONNECTION

Type h Listed

Triad

9

7

& 8

5

3

1

3

& 1

CD

OUTPUT)

Halldorson

PART

No.

ZLU3

Q

OI1AM

PART

No.

DATA

MERIT

PART

PAGE)

DATA

Triad

No.

R123,

RCA

Replacement

Thordarson

PART

T-26S48

CD

Used

In

No.

TYPE

R124.

No.

Models

PART

RCA

No.

DATA

Holldorson

Replacement

a>

J

Drill

hole.

NOTES

21S362M

MILLER

No.

Holldorson

PART

No.

•FB41L
Z1802©
DF602

9

8

7

or 5

3

1

3

& 1

NOTES

one

and

See

Note

Inc

ludes
Part * 76543
Includes
plete

Channel
*

77914

Includes

plete

L15,

L17,

814

Channel

Channel

t

77914

Thordorson

Thordarson

Replacement

nev

mounting

21-S362U

NOTES

1

core;

stator

with

rotor & colls

13;

core

stator

with

rotor,

C19, C21,

2

13;

PART

No.

T-26S53®

core

com-

Part

com-

colls,

core

Part

g,c<

r o

«/»

90

i

-.

m

C/i O r-

i » 1/1

o

V

c

<•»

—

tn

O

«o

09

\l

W M _

Ul

i

•

w

«

o

&

PAGE

17

ITEM

No.

Mixer

L19

L20

L21
L22

L23
L24
L25
L26
L27
L28
L29
L30
LSI
L32
L33
L34

L35
L36
L37

L38

L39

L40

L41

L42
L43

L44

Note

1.

Note

2.

of

IF

transformers

Note

3. Not
t Use one
*

Parallel

*

Parallel

*

Parallel

oils

dixer

oil

Osc. Coil
Osc. Coils

Fll.
Fil.
Conv.

47.
st

Fil.
2nd
Fil.
3rd
Fil. Choke

4th
Series
Coil
Shunt
Coil

4.
Series

Coil

Shunt

Coil

Series

Coll

Shunt

Coil

Sound

3oriz.

RF

PARTS

USE

grid

0(1

grid

On

Choke
Choke

Plate

25MC

Trap

Video

IF
Choke
Video

IF

Choke

Video

IF

Video

IF

Peaking

Peaking

SMC

Trap

Peaking

Peaking

Peaking

Peaking

IF

Ratio Det.

Osc.

Choke

Complete antenna
Chassis

KCS83PC,

replaceable

used

in all

winding

only.

with

27KS7

resistor,

with

6.

8KSi

with

22KS2

resistor.

DC

PRI.

Oil

on

on

OS!

.3!2

.in
.in
on

.

3S2

on

.3SJ

on
.sn

sn

8.

sn

3.

3!J

7.

sn

nn

50

12Q

i.

sn

ion

130S2

.72n

matching

KCS83PD,

models.

resistor.

LIST

RES.

SEC.

.in
.2n
.sn
.sn
.sn

.sncT

with

&

«W®?.

8272

77915

77911

76763
76763
78399
78204
78203
73477
76433
73477
76433
73477
76433

75253
71526

76983

77674

78222

71529

75252

76981

77112

76440

?6640

transformer

KCS83PJ,

one

unit.

DESCRIPTION

COILS

(RF-IF)

REPLACEMENT

MEISSNER
PART

No.

20-1047
17-4523
19-3001
17-4523
19-3001
17-4523
19-3001
17-4523

19-3125
19-3250

20-1004

19-3250

»

19-3250

•

19-3125

A

19-3500
17-1071

17-1033

20-1402

19-1001

(Part # 78396);

KCS83PK,

Unit

includes L29,

includes

KCS83PL,

LSI, & L33.

DATA

MERIT

PART

TV

-189

TV-189

TV

-189

TV-185
TV-151

TV-185

TV-185

TV-182

TV-188

rv-no

TV-162

LI

& L2.

KCS83PM,

(continued)

No.

*

•

use

MILLER

PART

No.

6219

t

6219

4604

6219

4604

6219

4604

6219
6153
6181

1470

6181

»

6181

•

6178

6174

1468
6183

4604

printed circuit

NOTES

Includes

statoi1

plete

with

rotor,

LIB,

L20,

C20,

R15,

R16,

R17

Channel

2

Channel

13;
*
Includes
plete

L21,

Note
Includes

1.
See

1.
See

1.
See

120

250
RCA

C55

250

Wound

250
wound

resistor

120
wound

500
Includes
capacitor & 120Kn
resistor
Tertiary
Pri. tapped ® 95n;
horiz.
winding=40n

1. 5 Microhenries;
Part

core

77914

stator

with

rotor,

C26

3

27KSZ

36

Microhenries

Note

2

36Microhenries

Note

2

36

Microhenries

Note

2
Microhenries
Microhenries

Part # includes

Microhenries;

on

27Kn

Microhenries;

on 6.

8KS2

Microhenries;

on

22Kn

Microhenries

22MMF

windings

waveform

if

CL-1

type

com-

colls,

C27,

8.

R18

Part

com-

coils,

resistor

resistor

resistor

5n

ITEM

No.

L45

ITEM

Ml

ITEM

No.

No.

(I)

M2

CURRENT

Drill

TOTAL
DIRECT

.280ADC

one new

TYPE

SAG

ORIG.

TYPE

1N82

RATINGS

D. C.

RESISTANCE

38n

mounting hole.

RATING

3/10A

RCA

Victor

PART

No.

FUSE

78214

INDUCTANCE

(0

CURRENT

1000

/\,}

1.06

Hy.

RCA

Victor

PART

No.

REPLACEMENT

SYLVAN

PART

1N82

or A

FILTER

RCA

PART

77676

FUSES

HOLDER

78218

CRYSTAL

DATA

IA

No.

CHOKE

Victor

No.

REPLACEMENT

FUSE

312.

300

(3AG-3/10A)

DIODES

FEDERAL

PART

No.

Stoncor

PART

C-2326Q)

LITTELFUSE

PART

No.

REPLACEMENT

No.

DATA

HOLDER

357001

UHF

Mixer

Merit

PART

No.

C-2996QD

AGC

DATA

PART

C-17X

FUSE

3/10

NOTES

Triad

PART

No.
Q

BUSS

C5037Q)

No.

4405

Halldorson

PART

No.

HOLDER

Thordarson

PART

No.

F-26C44CJ)

PAGE

18

B3,

ITEM

No.

M3
M4
M5
M6
M7
MS
M9
M10

A9

B6

PARTS

PART

Dial

Light
Tuner
Tuner
Tuner

Switch

Focus

Magnet

Ion

Trap

Correction

Trimmer
Trimmer
Knob
Knob
Knob
Knob
Knob

Knob
Knob

Knob

Knob
Knob
Knob
Knob
Knob
Knob
Knob
Knob
Knob
Knob
Knob
Knob

Safety

glass

Safety

glass

Safety

glass

NAME

Magnet
Cap.
Cap.

LIST & DESCRIPTION

MISCELLANEOUS

RCA

11765

78211

76168

76141

76633
75217
78220
77699
77719
77708
79078
79085
77708
79077
79081
77707
77717
77735
77736
79080
77709
77718
79079
79072
77710
78343
78342
78329
78815
78314

Victor

PART

No.

#51

(Not

KRK29
KRK22C
KRK29A/27
TV-phono
Includes

(2

Used)

Dual

10-160MMF
5-70MMF
Brightness - brown
Brightness - med.

Channel
Channel
Channel
Channel
Fine

tuning - saiidtone - KRK29

Fine

tuning - sandtone - KHK29A/27
Fine tuning brown - KRK29

Fine

tuning - Med.

TV-Phono
TV-phono
Picture - sandtone
Picture - brown
Picture - med.
Volume - ebony
Volume - maroon
Volume - inner
VHF

fine tuning

VHF

fine

For

metal
Models
Models

NOTES

used

on

Model

(VHF only)

(VHF only)

(VHF/UHF)

tone (Not

(Horiz.

(IF

input

(inner)
(ebony)-

KRK29

tone - brown

tone - med.

beige

& UHF

tuning

& UHF

table

models

67G,

used

device

coupling)

beige

beige - KRK29

beige

69G

centering

Selector
Selector
Selector ( maroon)
Selector

21S326G,
21S362M & MU

21-S-348G)

on

Drive & horiz,

KRK29,

tuner

channel
channel

(continued)

Model

21-S-348G)

lock)

KRK29A/27

KRK29,

KRK29A/27

(inner)

selector - brown
selector

- med

.beige

§:=<

in

2*8

in O P

N

CHASSIS

BOTTOM

VIEW-TRANS.,

INDUCTOR & ALIGN. IDENTIFICATION

PAGE

19

82

=

S»2

y

7*

in

9

in

T

P

O

LU

I

u

trj

PAGE

2O

TUNER

OSCILLATOR

Touch-up

adjustments

fine

tuning

knobs.

PICTURE

TUBE

For

picture tube safety

PICTURE

TUBE

For

picture

tube

SERVICE

ADJUSTMENT

ADJUSTMENTS

of the VHF

SAFETY

GLASS

glass

REMOVAL
removal

it is

LOCATION

BRIGHTNESS

SERVICING

tuner

oscillator

CLEANING

cleaning,

it is

necessary

necessary

to

remove

IN THE

circuit

chassis.

FRONT PANEL SERVICE CONTROLS

©

HEIGHT

VERT

LIN.

REAR

PANEL SERVICE CONTROLS

may be

to

remove

(See disassembly

HOLD

FIELD

accomplished

chassis.

o

o

VERT

by

(See disassembly

instructions).

HORIZ

_

HOLD TV-PHONO

removing

TONE

SW.

the

channel

instructions).

selector

and

©

PHONO

SOCKET

HORIZONTAL

Adjustment

hold

control

horizontally.
Adjustments
SOUND

IF

DETECTOR

To

eliminate Sound

placement

chart).

FUSES
One

fuse

is
CENTERING
Centering

is

the

centering lever

ANTI-PIN

CUSHION

Reduce

the

straight

lines

/\

/

vSy / HORIZ

<

/

\

/

LOCK

\s

OSCILLATOR

of the

horizontal oscillator circuit

at the

If

on

page

used

for

accomplished mechanically

picture

and the

FIELD

mid-position

synchronization cannot

13.

IF

horizontal sweep circuit

from

ADJUSTMENT

size

BUZZ

Detector

side

so

that

corners

of

Us

ADJUSTMENT

Buzz,

to

side,

the

sides

are at

(0) /

<s

FREO

HORIZ

ADJUSTMENT

can be

range

and

adjust

be

obtained

adjust

the

ratio detector secondary

protection.

by

means

and up and

of the

raster

right

angles.

@>

VS'

HORIZ

DRIVE

made

from

the

horizontal

by the

above

(For location,

of a

centering

down

until

the

are

visible,

the

frequency

adjustment

lever

picture

and

rear

see

on the PM

@>

N—

panel

(L42)

is

properly

position

(o)

AGC

of the

chassis.

slug (L43) until

see

Horizontal

located

on top of

tube

placement chart)

focusing

centered.

the

magnets

'

Set the
the

Sweep

chassis.

assembly.

so

that

.

©

HORIZ.

LIN.

©

WIDTH

horizontal

picture synchronizes

Circuit

(See tube

Adjust

all

sides

are

PAGE

22

DISASSEMBLY

1.

Remove 6 push

2.

Disconnect transmission

3.

Remove 2 metal screws

4.

Disconnect speaker plugs, yoke plug,

5.

Remove 5 chassis

6.

Remove 4 speaker

on

INSTRUCTIONS

type control knobs

lines.

and 2

snap clips.

bolts.

Remove

nuts.

Remove

from

CRT

chassis.

speaker.

front

panel.

Remove

socket,

rear

and

cover.

HV

plug.

PAGE

23

CHASSIS

BOTTOM

VIEW-RESISTOR

ID

I

VIEW-RESISTOR

IDENTIFICATION

PAGE

24

TUNER SCHEMATIC

ALTERNATE

SCHEMATIC

1954
Inc.

Co.,
&

NOTATION

Som.
W.

STANDARD

©Howard

PHOTOFAa
A

M

Ui

in

o