Zenith A2223Y, A2221Y, A2245E, A2245R, A2250R Disassembly Instructions Manual

PHOTOFACT*

DISASSEMBLY

INSTRUCTIONS

CHASSIS

REMOVAL

1.

Remove 4 push-on type knobs

2.

Remove 6 metal

the

rear

cover.

3.

Remove 4 metal

tuner.

4.

Remove 2 metal screws holding

5.

Remove

6.

Remove 4 chassis

7.

Remove

TRADE

NAME

MANUFACTURER
TYPE

SET
TUBES
POWER

SUPPLY

TUNING

RANGE

the

the

screws

screws

speaker

bolts

chassis.

Television
Seventeen
110-120
Channels 2 thru

Folder

from

from

the

holding

the

the

leads.

from

the

Zenith

Zenith

Radio

Corp.,

Receiver

Volts

AC, 60

the

front.

rear

cover. Remove

tuner. Remove

control bracket.

bottom.

MODELS
A2221J,

Y,

A2251E,

R,

A2221JU,

YU,
A2250MU,
A3001E,

A3000E,

13

RU,

H, R,

R.

6001

Dickens

Cycle RATING

VHF,

14

the

A2223E,
A2282E,

A2223EU,

A2251EU,

A3006E,

A3004,

E, R

Avenue, Chicago

thru

83

UHF, Video

MODEL

A2221YlCh.

H, R, Y,

R,

A2245E,

A2673E, R 17A20

HU, RU, YU,

RU,

A2282EU,

H, R,

17A21Q

185

R,

A2250M,

A2245EU,

A3008E, R 17A20Q

Watts,

IF 45.

RU,

39,

Illinois

1.6

Amp.

75MC, Sound

R,

RU,

A2673EU,

© 117

IF 41.

RU

Volts

17A20)

17A20U

AC

25MC

(Intercarrier)

CHASSIS

TUNER

OSCILLATOR

Touch-up
removing
the
(located
quence
Channel
a
sound.

PICTURE
Remove 4 push-on type knobs

metal
glass

SPECIAL

A.

Observe
where
Back
with

B.
Turn
clockwise approximately
with
fringe
controls

C.
The
location,

The
not
guaranty
and
these parts
to

Howard

H389

adjustment
the

fine

tuning

in a

circle

from

the

13

counter clockwise direction adjusting

constitute
suitability

adjustment

TUBE

screws

out at the top and

ADJUSTMENTS

AGC

the

picture

the

picture

off

from

no

noise

Fringe Lock

the

fringe lock control

hold

controls.

lock counter clockwise until

and

check operation

Focus

focus

may be

see

tube placement chart).

listing

of any

in any

by

Howard

of

have

W.

Sams

ADJUSTMENTS

of the VHF

channel

selector

at the

center

around

highest

SAFETY

holding

and

distorts

this

setting

in the

sound.

If

varied

HOWARD

available replacement part herein does

case a recommendation, warranty

W,

such replacement part.

been compiled

Si

and

of its

the

shaft)

to the

lowest channel

is

located

GLASS

from

knob

escutcheons.

lift

to

remove.

advance

or a

until

fully

1/4

turn.

picture

jitters,

on all

by

means

Sams & Co.,

from

Co.,

Inc.,

SERVICING

oscillator

range.

at 12

CLEANING

the AGC

buzz

the

clockwise,

W.

by the

is

fine

the

picture becomes

Adjust

stable.

channels

of a

Inc.,

information

possible

tuning knobs.

The

should

is

adjustments

be

made

in the

o'clock, proceed

for

best

picture

front. Remove

Tilt

the

control

heard

in the

then

picture

tears,

etc.

Readjust

in the

focus

control.

SAMS & CO., INC.

as to the

The

numbers

furnished

manufacturers

by

Set
in se-

area.

safety

to a

point
sound.
stable

counter

to

lock

adjust

hold

area.

(For

quality

IN THE

D.
The
cated between
sleeve
than

in

and

4

or

of

of

HORIZONTAL
The

control.
chronizes horizontally. (For location,
chart).

SOUND
To

for
see

FUSES

in

the

DATE

FIELD

Width

width

may be

the

in or out of the

necessary

horizontal

eliminate audio
MINIMUM

tube placement

One

fuse

(For

location,

CENTERING
Centering

magnetic

two

is

properly centered.

•

Indianapolis

the

particular
duction
pictorial content,
liability
tion

contained

Indianapolis

3-58

to
OSCILLATOR
oscillator

Adjust

IF

DETECTOR

buzz

is

used

see

is

accomplished mechanically

rings

around

rings

around

type

or

use,

is

assumed

herein. © 1958

5,

varied

by

menas

of a

yoke

and the

yoke

fill

the

for

without

Indiana . Printed

for a

the

screen.

FIELD

coil

is

horizontal hold until

BUZZ

ADJUSTMENT

detector

buzz, adjust

and

maximum sound. (For location,

chart).

horizontal sweep

tube placement chart).

the

neck

the

neck

of the

5,

Indiana

of

replacement part listed. Repro-

express permission,

in any

manner,

with

respect

metallic

picture tube neck.

picture

SLIGHTLY

ADJUSTMENTS

used

as the

the

see

tube placement

the

circuit

by

of the

picture tube. Rotate

tube until

is

prohibited.

to the use of the

Howard

W.

Sams

in

U.S.

sleeve

lo-

Adjust

larger

horizontal hold

picture

syn-

buzz control

protection.

adjusting

the

of

editorial

&Co.,

of

SET

two

picture

No

patent

informa­ America

393

Inc.,

or

FOLDER

4

o

o

m

70

TUNER

VHP
IS-41682
ITOPVIEWI

SCHEMATIC

TUNER PART

\D

ON

PAGE

SWITCH

ON

BI-STABLE

2?

REMOTE

_TRANSFORMER

FOR

CHASSIS

PART

RELAY

CONTROL

PRIMARY]

IS-41941

I7A20Q

5.

21

-i

PQ-1

SOCKET

ON
CONTROLCHASSIS
USED

ON

CHASSIS

REMOTE (ONE

PART
17A21Q

REMOTE WIRING

WAYI

PLUG USED WITH

IS-41940

REMOTE CONTROL

ONLY

CHASSIS

I

MEASURED

6

SEE

VALUE
DC

NOT
ARROWS

WAVEFORMS
SET

PEAK

PAGE

FROM

PIN 7 OF V2.

PARTS

LIST

FOR

OR

COIL

RESISTANCE VALUES

SHOWN

ON

(CONTROL

TO

PRODUCE

SIGNAL

voltmeter;

per

volt.

2. Pin

numbers

bottom

ALTERNATE

APPLICATION

ON

SCHEMATIC DIAGRAM

CONTROLS INDICATE CLOCKWISE

VIEWED FROM SHAFT END)

TAKEN

WITH

50

VOLTS PEAK-TO-

AT

PICTURE

AC

voltage measured

are

counted

of

socket.

2

UNDER

CONTROLS

TUBE.

at

1000

in

clockwise direction

ONE OHM

ohrns

on

ROTATION

3.

Measured

4

Line

5.

All con

Vo

val

taqe
rols

se

stated.

maintained

s

et

for

normal

at 1 17

oper

volts
ation;

pin to

for

no

commor

roltage

signa

negative

read

app

ngs.

ied.

A

PHOTOFACT

STANDARD

Ho»«J

W.

NOTATION

S«ms S Co.,

Inc. 1958

SCHEMATIC

ZENITH MODELS A2221J,
A2250M,

R,

A3OO1E,

MU, R, RU,

H, R,

A2251E,

A3OO4E,

TO

CAP OF

(HORIZ.

OUTPUT)

JU, Y, YU,

EU, R, RU,

R,

A3OO6E,

HV

TRANSFORMER

Vll

TERMINAL

A2223E,

EU, H, HU, R, RU, Y, YU,

A2282E,

H, R,

A3OO8E, R (Ch. 17A2O,

LOCATION

EU, R, RU,

A2673E,

A2245E,

EU, R, RU,

O, U,

EU, R, RU,

A3OOOE,

17A21Q)

PAGE

23

TUBE

PLACEMENT

CHART

OFF-ON

IPUSH-PULU-VOL

> N

0|o^

O u <_

££c

The

following

Refer

to

tube placement

POWER
No

LOSS
No
No
No
Has
Overloaded

SYNC
No
No
No

SWEEP
No
No
Poor
Poor
Narrow picture - V10,
Vert,
Horiz.

TUBE

chart

lists

SUPPLY FAILURE

raster,

no

sound - V14

OF

PICTURE

pic,

no

sound,

pic,

no

sound,

pic,

has

sound,

pic,

no

sound

picture

FAILURE

vert,

sync - V5

horiz.

sync - V5,

vert,

or

horiz.

FAILURE

raster,

has

vertical

deflection

vert,

linearity

horiz.

linearity

off

freq.

- V8

off

freq.

FAILURE CHECK

tubes whose failures

chart

for

location

OR

SOUND

has

raster - VI,

has

snow - V201, V202,

has

raster

- V4, V6, V7

- V5

V9

sync

- V5

sound - Fuse

- V8

or

foldover

or

foldover - V10,

Vll,

- V9,

V10

- V4, V15

(Ml),

V12,

and

V9,

- V8
V14

are

most likely

type

V2,

V3,

V10,

Vll,

of

VI

Vll,

V12

tube.

Mode

CHART

to

produce

(M2),

V12,

V13,

V4

V15

the

indicated

•

symploms.

> M

sa

<•> m X
O

C'

O _ I
00 » C

3- M »

L * -<

-

Cs™

a'*.

m

>

> c

1-

' O »

m

C

SET

393

FOLDER

4

PAGE

3

o

m

JO

PRE-ALIGNMENT
Allow

a 20

minute

VIDEO

IF

ALIGNMENT

Connect

the

The

DUMMY

ANTENNA

470mmf

Direct

SOUND
Connect

until

All,
alignment,

synchronized sweep

sweep

generator output lead should

High
Low

High
tube
mixer-oscillator

(V202).

chassis.

IF

ALIGNMENT

an

adjustable attenuator between

the

signal

A12

and

further reduce

INSTRUCTIONS

warm-up period

SWEEP

GENERATOR

COUPLING

side

to

side

to

side

to

shield

floating

Low

is

below

A13

for

maximum sound

point

^>

chassis.

ungrounded

over

tube

side

to

the

limiting

the

signal until

for the

voltage

GENERATOR

FREQUENCY

.

44MC
(10MC

level

ALIGNMENT

receiver

and

from

the

sweep

be

terminated with

SWEEP

GENERATOR

FREQUENCY

39.

Swp)

41.25MC

45.

39.75MC

41.

47.

41.25MC

42.

45.0MC

45.75MC

the

antenna

of the

and

6BN6

best

quality. Adjust

the

hiss

returns.

test

generator

MARKER

75MC
75MC

25MC
25MC

75MC

and the

(V6)

equipment.

to the

its

characteristic

CHANNEL

Between
any two
channels

receiver

as

evidenced

the

buzz control

INSTRUCTIONS

horizontal input

impedance, usually

Vert.
10K

Low
(across

load).

terminals.

by a

hiss

CONNECT

SCOPE

Amp. thru

to

point

side

to

video

Tune

similar

(Rll)

for

of the

oscilloscope

50

ADJUST

<g>

chassis,

Al,

.

det.

A3, A4,
A5, A6

A7,
A9
Mixer
Plate
Coil

in a

modulated

to

super-regeneration

MINIMUM

buzz.

ohms.

A2

A8,

and

TV

for

horizontal

Set

sweep

peak

to
alternately
with

the 45.
Fig. 1 .
within
if

the

desired
check
their

respective

ends

of the

Connect a clip
chassis.
to

point
adjust
amplitudes

39.

75MC
marker
marker.

Disconnect clip
connect
gain

and
Fig. 3 with
low

side

signal

in the

If the

hiss

deflection.

generator

peak

on

scope.

for

maximum gain

75MC

The

39.

± .

SMC

of the

response

to see

that

coils.

lead

Connect a clip

<E>

. Use

A3

thru

A6 for

as in

marker,

and A5 and A6

lead

to

chassis.

symmetry

markers

of

curve

and

adjust

sound.

disappears

REMARKS

output

Adjust

positioned

75MC

marker

specified

the

cores

windings

from point

high

MINIMUM

Fig.

2. A3

A4

controls

controls

from point

Adjust

of

response

as

and A8

the

attenuator

Adjust

during sound

to

cannot

are

from

lead

scope

for

shown.

affects

A10,

as

from

controls

produce 3 volts

Al and A2

and

symmetry

shown

in

can

fall
frequency.
be

obtained,
entering
opposite

<£>

to

point

<§>

gain

and

marker

41.

25MC

47.

25MC

<£)

and

maximum

similar

to

A7

affects

high

side.

F

MIXER

PLATE
COIL

Nl

IG.I

*S*

FIG.

RF

TUNER-TOP

2

VIEW

FIG.

3

PAGE

4

MIXER
PLATE

CO

IL

IF

OUTPUT

RFAGC

*

MEASURED

A

PHOTOFACT STANDARD

FROM

How,,d

PIN

VC.

3 OF

S.m, & Co.,

V201.

NOTATION

Inc. 1958

CHANNEL SELECTOR SWITCH SHOWN

SCHEMATIC

(DLCtfZl

'aoooEV
'na

'a

'na

'ns

'n 'D

'a

'ni

'ssfrctv

'OZWZl

TUNER

'3E/9tv

'nx

'A

IN

CHANNEL

VHP

TUNER

PAR!

IS-41682

SCHEMATIC

'MD) U '38OOEW

'na

'a

'03

'OH

'scatcw

'H

'03

'na

'a

13

POSITION

'«

'H

'SEECCW

'39OOEW

'na

'a

'ns

'HA

'M

'IfrOOEV

'3isicw

'A

'nr

'a

'na

'rictzw

'H

'31OOCV

'a

'nw

sisaow

"S

'wosctw

PHE-ALIGNMENT

USE

AN

ISOLATION TRANSFORMER

Allow

a 20

minute

VHF

OSCILLATOR ALIGNMENT

Set the

fine

hole

adjustment

RF AND

Connect

the

the
sweep
only

enough

10MC

not

containing adjustable

tuning

just

below

MIXER ALIGNMENT

negative

synchronized sweep

generator

sweep

sweep

unless

GENERATOR

COUPLING

Across

antenna

nals

.

small
oscillator,

VHF

Connect
The
Use
Use
Coils

DUMMY

ANTENNA

Matching

Network

"

-

"

-

INSTRUCTIONS

warm-up

period

to the

center

the

channel

screw

for

lead

of a 2

output lead should

generator

otherwise noted.

SWEEP

cores

termi-

"

"

for the

FOR

of its

13

best

FOR

volt
voltage

output

213MC

207MC

201MC

195MC

18SMC

I83MC

177MC

85MC

79MC

69MC

63

57MC

TUNER

TO

PROTECT

receiver

TUNERS

range

by

oscillator

picture

and

TUNERS

bias

supply

from

the

be

terminated

to

provide a usable

are

adjusted

SWEEP

GENERATOR

FREQUENCY

MC

ALIGNMENT

THE

TEST

and

test

equipment.

#3-41682

AND

S-41683

turning

fine

sound

for

#S-41682

to

point

sweep

with

by

expanding

MARKER
GENERATOR
FREQUENCY

211.

25MC

215.75MC

205.25MC

209. 75MC

199.25MC

203.75MC

193.25MC

197. 75MC

187. 25MC

191. 75MC

181.25MC

185.75MC

175.25MC

179.

75MC

83.25MC

87.

75MC

77.25MC

81.

75 MC

67.25MC

71.

75MC

61.25MC

65.

75MC

55.25MC

59.

75MC

tuning shaft

screw.

each channel

AND

\£> , Positive

generator

its

characteristic

pattern

adjustment

EQUIPMENT.

until

Starting

available.

S-41683

to

to the

horizontal

on

scope.

or

compressing

CHANNEL

13

12

11

10

9

8

7

6

5

4

3

2

INSTRUCTIONS

the

small

index

hole

of the

usually

thru

<§>

.

chassis.

in the

oscilloscope

50

ADJUST

A201

A202

A203

A204

A205

A206

A207

A208,
A209

A210,
A211

A212,
A213

A214,
A215

A216,
A217

with

the

chassis.

impedance,

coil

CONNECT

Vert.

Amp.

10K

to

Low

side

highest channel

input

turns.

SCOPE

point

to

"

"

"

drive

operating

ohms.

cam is

directly

in the

area,

adjust

for

horizontal

deflection.

Adjust

for

maximum

of

response

as

Adjust
of
as
marker
mum

similar

shown.

for

maximum

response

similar

shown. Adjust first

position

gain

and

symmetry.

over

REMARKS

"

to

and

"

"

the

the

appropriate

gain

to

Fig.

gain

Fig,

coil

second

and

and

201

201

for
coil

symmetry

with

markers

symmetry

with

markers

proper

for

maxi-

PAGE

6

F

IG.

201

FIG.202

Rl

Rcvr.

150n

FIG.

203

UHF

ALIGNMENT

Alignment
2

volts
Connect
Use

10MC sweep

DUMMY

ANTENNA

Fig.

203

of the UHF

bias

to the IF AGC

the

synchronized

Across
terminals
ing

network

tuner should

unless

otherwise noted.

SWEEP

GENERATOR

COUPLING

UHF

antenna

thru

match-

(Fig. 203).

TUNER

not be

line

and

adjust

sweep voltage

GENERATOR
FREQUENCY

713MC

473MC

887MC

ALIGNMENT

artemped

unless

the

from

SWEEP

sweep

the

proper

generator

sweep generator

MARKER
GENERATOR
FREQUENCY

711.

25MC

471.

25MC

885.25MC

test

output

to the

CHANNEL

54

14

83

INSTRUCTIONS

equipment

to

is

horizontal

CONNECT

Vert.

Amp.

10K

across

detector

available.

input

SCOPE

load.

provide 3 volts

peak

thru

video

of the

Switch

to

peak

the

on the

oscilloscope

ADJUST

A218,
A219,

A220

A221,

A222,
A223

(cont)

receiver

to the UHF

scope

in the

for

horizontal deflection.

Tuner

rocker
position.
and

adjust
horizontal
channel

54. Do not
oscillator
channels.
place

video

curve

as in
response)
toward

the

A218

is the

and

A220 for maximum amplitude of re-

sponse

similar

Check

for

the

oscillator

adjust

the
mixer

and

the 3 round
adjustment
making

this

the

rocker

mixer

and

maximum
Adjust

A221
Fig. 202. Adjust
mum

gain

202.

position.

following

steps.

REMARKS

arm

should

If

necessary,

the

tuner

when

calibration

If

necessary,
marker
Fig. 202.

will

appear

counter clockwise position

proper

response

is off

oscillator

antenna

screws

to

scale.
adjustment

arm out of its
antenna

response

to

place

and

symmetry

be in a

loosen

so

that

the

channel

adjust

A218

is off

adjust

at 50% on

The
also.

response.

to

Fig. 202.

similar

more

than 3 channels,

travel

travel

adjustments

on top of the UHF

Care

must

so as not to

bearing.

travel

adjustments

on

scope.

marker

A222

and

similar

(oscillator,

Connect

horizontal

the set

arm is

is

unless

A218

to

response

response

Adjust

A219

Fig. 202.

are
tuner)

be

used

move

Set the

for

at 50% as in

for

maxi-

to

Fig.

screw

3

of

rocker

selector
more than

image (weaker
The

to

A223

set at

If

in

>

10

o 2 o

ITEM

V201

C201

C202
C203
C204
C205
C206
C207
C208
C209

C210
C211
C212
C213
C214
C215
C216
C217

No.

ITEM

No.

ITEM

No.

R201

R202
R203
R204
R205
R206
R207

ITEM

L201

L202
L203
L204

L205

TUNER

USE

RF

Amp.

RATING

VOLT

CAP.

12
18

1000
1000

18
12

3.3

8.2

1.8
1000
1000
25
1000

1.0

1.0
5
5
1000
1000

RATING

OHMS

230K
230K

22K

2.

2meg

120K
100

K

1200S2

No

IF

Trap Coil

IF

Trap

Ant.

Trans.

Ant.

Coils

Neut.

USE

Coil

Coil

WATT

22-2679
22-2343
22-2681
22-2428
22-2889
22-2889
22-2671
22-2889
22-2720
22-2714
22-2716
22-2716
22-2889
22-2889

TUBES

ZENITH
PART

22-2679
22-2680
22-2680

ZENITH

PART

20-567

20-567
S-24644
S-23641

20-633

PARTS

(GENERAL

TYPE

6BK7A

Capacity

Capacitors,

No.

All

wattages

No.

ZENITH
PART

No.

NOTES

values

given

and in

AEROVOX

PART

No.

SI 12

SI 12

NPO-SI 3 .
NPO-SI8.2

EF-001
EF-001

N750-SI2.5

EF-001

NPO-SI1.0

EF-001
EF-001

1/2

NOTES

NOTES

Alt.

part
Channel
Wafer

Assy.

LIST

ELECTRIC,

FIXED

in the

mmfd.

CENTRALAB

PART

No.

D6-120

D6-120
TCZ-3R3

:

MFT-1000
MFT-1000
TCN-25
MFT-1000

TCZ-1

MFT-1000
MFT-1000

RESISTORS

watt,

or

less,

COILS

#24645

2-13

AND

DESCRIPTIONS

SYLVANIA)

ITEM

No.

V202

Mixer

-Osc.

CAPACITORS

rating

column

and

REPLACEMENT

No.

otherwise

RATING

OHMS

100K
100K
10K
10K

4700S2
470J2

are in

Ceramic

ERIE

PART

GP-12

GP-12

TCO-3.3
TCO-8.2

TC7-25

TCO-1

for

unless

ITEM

No.

R208
R209

R210
R211

R212
R213

Mica

CORNELL-

DUBILIER

PART
LT6Q12

LT6Q12
C10V33C
C10V82C

C10Q25U

(RF-IF)

ITEM

No.

HF

Coils

L206

Mixer Screen

L207

Coil
Osc.

Coils

L208

Mixer

L209

USE

No.

listed.

WATT

2

2

USE

Plate

mfd.

for

Capacitors.

DATA

MALLORY

PART

No.

UC-5412

UC-5412
ZT-5533

ZENITH

PART

No.

63-317»
63-2398

ZENITH

PART

S-23640

20-632

S-41807
S-41665

Coil

Paper

No.

TYPE

6U8

SPRAGUE
PART

No.

5GA-Q12

5GA-Q12
5TCCB-V33

503C-D1
503C-D1
5TCU-Q25
503C-D1
5TCCB-V1

503C-D1
503C-D1

NOTES

Channel
Wafer

Channel
Wafer

NOTES

NOTES

5%
5%

NPO 5%

N750

N1500

N330

N330

NOTES

Assy.

Assy.

10%

5%
5%

2-13

2-13

10%

m

-<

BB

*"

*

U

m X

o c

-

o _ z

CO » C

SS-"

PAGE

19

1

73

TUNER-LEFT SIDE

PAGE

2O

TUNER-RIGHT

SIDE

MIXER

A

6U8

MIXER
PLATE

COIL

A

PHOTOFACT

STANDARD

How.rJW.

NOTATION

S.m,aCo.,lne.

SCHEMATIC

1958

(DIEtf/L

'3OOOCV
'na

'a

'ns

ALTERNATE

'0

'O

'a

'ns

'isfrttw

'OtV/l

'na

'H3) a '38OOEV

'3C/9cw
'nA

'A

'na

CHANNEL

SELECTOR

UHF-VHF TUNER SCHEMATIC

'a

'H

'na

'a

'a
'nn

'ni

'H

'IEBZCV

'na

'aeczcv

'39OOEV

'na

'a

'nA

'M

'n3

'A

'3frOOCV

'aisccv

'nr

Tictcv

'«

'na

N1500

I.lmmf

SWITCH SHOWN

'H

'31OOEW

'a

'nw

siiaow

'M

'woszcv

IN

CHANNEL

13

POSITION

PRE-ALIGNMENT

USE

AN

ISOLATION TRANSFORMER

Allow

a 20

minute

VHF

OSCILLATOR

Set

the

fine

tuning

Adjust

for

best

picture

VHF

RF AND

MIXER

Connect

negative

Connect

the
Use
Use

DUMMY

ANTENNA

Fig.

UHF
Alignment

Connect 2 volts
Connect
Use

DUMMY

ANTENNA

synchronized sweep voltage from

only

enough

10MC sweep

203

ALIGNMENT

10MC

Fig:

203

sweep generator output
unless

Across antenna
nals matching network

(Fig. 203).

of the UHF

bias

the

synchronized sweep voltage from

sweep

Across
terminals thru match­ing

network (Fig. 203).

'

ALTERNATE

INSTRUCTIONS

warm-up period

ALIGNMENT

at the

and

ALIGNMENT

lead

of

SWEEP

GENERATOR

COUPLING

tuner should

to the IF AGC

unless otherwise noted.

SWEEP

GENERATOR

COUPLING

UHF

antenna

for the

FOR

center

of its

range.

sound.

___

FOR

0-15 volt

variable

otherwise

noted.

GENERATOR
FREQUENCY

termi-

195MC

213MC
207MC

201MC
195MC
189MC
183MC
177MC

85MC

79MC
69MC
63MC
57MC

not be

line

GENERATOR
FREQUENCY

713MC

473MC

887MC

TUNER

TO

PROTECT

THE

receiver

and

test

TUNERS

#3-41692

The

adjustments

TUNERS

#3-41692

bias

supply

to

the

sweep generator

to

provide a usable

SWEEP

and

SWEEP

MARKER
GENERATOR
FREQUENCY

193.25MC

197.75MC

211.25MC
21S.75MC

205.

25 MC

209. 75MC

199.

25MC

203.

75MC

193.25MC

197.

75MC

187.

25MC

191.

75MC

181. 25MC

185.75MC

175.25MC

179.

75MC

83.25MC

87.

75MC

77.

25MC

81.

75MC

67.25MC

71.

75MC

61.

25MC

65.75MC

55.25MC

59.

75MC

attempted unless proper

adjust

the

sweep

the

sweep

generator

MARKER
GENERATOR
FREQUENCY

711.25MC

471.25MC

885.25MC

ALIGNMENT INSTRUCTIONS

TEST EQUIPMENT.

equipment.

AND

S-41693

are

AND

S-41693

point

^> . Positive

to the

pattern

CHANNEL

generator

CHANNEL

accessible,

on

10

13
12
11
10

9
8
7

6
5
4
3
2

test

to the

54

14

83

one at a

to

horizontal input

scope.

CONNECT

Vert.

Amp. thru

10K

to

Low

side

equipment
output

to

provide 3 volts

horizontal

CONNECT

Vert.

Amp.

10K

across

detector

time,

chassis.

SCOPE

point

<g>

to

chassis.

is

available.

input

SCOPE

video

load.

of the

of the

thru

as the

Adjust

oscilloscope

A202,

.

A203

A204

A206
A207
A208
A209

A210
A211
A212
A213
A214
A215

Switch

peak

oscilloscope

channel

bias

ADJUST

A201,

A205

the

to

ADJUST

A216,

A217,
A218

A219,

A220,

A221

selector

for 2. 5

for

Adjust
tude
in
amplitude
changing
MINIMUM

Adjust
similar
or

receiver

peak

for

Tuner
position.
and
horizontal

channel
lator
If
marker

202.

appear
ter

response.

mum

202.

Check
the

adjust

mixer

tne 3 round

adjustment

making

rocker

and
response

Adjust

Fig. 202.

mum

202.

is

rotated.

volts

at

point

horizontal deflection.

A201

and

Fig. 201.

for

compressing

on the

horizontal deflection.

rocker

adjust

calibration

necessary,

The

also.

clockwise position

amplitude

for

oscillator

the

and

arm out of its

antenna

A219

gain

<£>

REMARKS

and

A202

symmetry

Increase

of

response

the

bias

adjust A203

response
maximum amplitude

to

Fig. 201. Adjust

coil

to the UHF

scope

in the

arm

If

necessary,

the

tuner

when

the

54. Do not
is

adjust

at 50% on

image (weaker response)

The

Adjust

A217

of

response

is off

oscillator

antenna

screws

to

scale.

this

adjustment

travel

on

scope.

to

place

Adjust

A220

and

symmetry

.

for

maximum

with

markers

bias

for

MINIMUM

curve. Without

to

on the

turns.

position.

following

REMARKS

should

so
channel
adjust

off

A216

response

response

response

similar

more

travel

travel

on top of the UHF
Care

bearing.

adjustments

marker

obtain

scope.

of

by

expanding

steps.

be in a

loosen

the set

that

rocker

selector

A216

unless

more

than 3 channels.

to

place video

curve

toward

of

A216

is the

and

A218
similar

to

Fig. 202.

than 3 channels,

(oscillator,

adjustments

must

so as not to

Set the

for

at 50% as in

and

A221

similar

ampli-

as

shown

response

horizontal

screw

arm

is set at

oscil-

as in

will

the

coun-

proper

for

maxi­ to

Fig.

are

tuner)

be

used
move

mixer

maximum

for

maxi-

to

Fig.

Is

Fig.

If

in

the

PAGE

8

F

IG.20I

FIG.202

Rl

Rcvr.

150n

FIG.

203

VHFANT.

TERMINAL

BOARD

MIXER

A

6CG8

IF

OUTPUT

FILAMENT

A

PHOTOFACT

STANDARD

Howird

W.

NOTATION

Sim, & Co.,

Inc.

SCHEMATIC

1958

'3OOOEV
'na

ALTERNATE

(oizwzi

'a

'na

'na

'as^ccv

'n

'a

'o

'ocv/i

'n3

-HD) a 'aeoocv

'3CZ9ZW

'nx

'A

'na

UHF-VHF TUNER SCHEMATIC

'a

'H

'na

'a

'a
'nH

'na

'ataczv

'H

'na

'sezctv

'39ooev

'na

'a

'nx

'a

'n3

'A

'a»oocw

'3isczv

'nr

'rittcv

'a

'na

'H

'aioocv

'a

'nw

siaaow

'a

'wosctw

HIINSZ

•a

O
m

00

VHFANT.
TERMINAL
BOARD

. — ,

£*•

»-/7OTT>> — t — = — !

^ML>

'Wi

JT

(mj

}

W-

120m

30mmf

'

mf

\\/s-

fl

i , i
[A204]THRu[A215j

r
!

5

i

AV

)(•

«.<:>

^W>

12mmf

!

i
i

„

i

/\

iM A / V V

:28mmf " V*

>

<^

o
o

1

J

1

<p^— r '--^---^ — •

A

A

i\

6BN4

.

>

J

1

RF

XTN

\

1-6

Ps

5.0-10J7

mmf

~

if

,

Hi

1

'

|A203|

4700n

*—*

SOOmmf

AMP

A,\\

1.0-4.5
mmf

|A20l|^

47mmf

*"T*"

_-J—

SOOmmf

=^

I

<

<

72V

y

4

|

>

I'"

Wv",/

Y

13

°

§

—

'

10000

R

X^i

-* ^ "

b

1

"

!'J5~^*

l§

1 o N750

1

«KER

A

—

it

47mmf ! gfr^

J[A202J

T1-0-4/5

6»

mmf

^^

±2^

-L

I

-2-7V

T

9\F^!

|3900n

30m;.

—

|

1

^

FINE

T

N330

6.8mmf

3.ommf

NPO

6CG8

/r==--^y_

JT

^

o/ll\_

220K

fc

F

osc

B6CG8

TUNING

1

2|WV

r'TN

f^Ax

^"

_L

5

UK

=•

SOOmmf

J25V

,ici/

^

i

>
>

S

^lOOOmmf

4r

10K

MIXER

1

PLATE

V

g

^>

<

r

\

SOOmmf

J

COIL

IF

OUTPUT

•

A

PHOTOFACT STANDARD

Howard

W.

Sams

NOTATION

& C

o.,

Inc. 1958

SCHEMATIC

ALTERNATE

VHP

VHF

TUNER

PART

TUNER

>

6800n

IS-41692

SCHEMATIC

S5600n7W

]

1

1

i i *

If?

T"

275V,,

X , T

»|

9

l?l

T

H)

RFAGC

~

FILAMENT

'AGE

16

tr

aacnod

CHASSIS

BOTTOM VIEW-CAPACITOR

(OLttf/L

'3OOOCV
'na

'a

'na

'n3

'0

'D

'a

'n3

'3s*ctw

'OCWZl

'3e/9cv

'iu

'A

'MD) a '38OOEW

'na

'a

'03

'OH

'izvtiv

'H

'na

'a

'03

AND

'a

'H

'39OOCV

'na

'3ect5W

ALIGNMENT

'a

'a

'nx

'ns

'A

'3frOOeV

aisitv

'nr

'«

'na

Tictcv

'H

IDENTIFICATION

'3LOOCV

'a

'nw

siaaow

'a

'wosctv

'AGE

1O

aacnod

CHASSIS

BOTTOM

(DltW/L

'3OOOCV
'na

'a

'fia

'03

'0

'ssfricw

VIEW-RESISTOR

'O

'OCV/l

'MS)

Ji

'a

'03

'3C^9cw

'ru

'*

'na

'na

'a

'380OCV

'a

'ns

'nn

'a

'3S8C5V

'H

'ns

AND

'H

'39OOCV

'na

'acctcw

INDUCTOR

'a

'a

'nx

'na

'A

'3frOOCV

'aisccv

'nr

'H

'na

Tizccw

IDENTIFICATION

'H

'310OCV

'a

'nw

si3aow

'a

'wosccv

CENTERING

WIDTH

SLEEVE

CABINET-REAR

VIEW

BUZZ

FRINGE

LOCK

>i

u

5

o-

5

03

o

».C

O

in

«_

•H m -<

•5

"

5 » c

'

O-

^

"^

^

> m

-<

•0s

C

O ™ -

•

C >

Turn

the set on and

Set

the

brightness

Turn

the

horizontal hold clockwise

tune

in a TV

and

contrast controls

HORIZONTAL

station, preferably

for a

until

the

with a test

normal picture.

picture

loses

sync.

SWEEP CIRCUIT ADJUSTMENTS

be

necessary

to

switch

otf

channel

and

pattern.

It may

SET

sync.
Turn

falls

393

the

horizontal hold slowly counter clockwise until

into

sync.

FOLDER

4

back again

for

picture

the

to

lose

picture just

PAGE

11

O

jo

me

5

ITEM

VI
V2
V3
V4
V5

V6
V7

ITEM

No.

V15

ITEM

No.

CIA

C2A

ITEM

No.

C3
C4
C5

C6
C7
C8
C9

do

Cll
C12

as

C14
CIS
C16
07

as

C19
C20
C21
C22
C23
C24
C25
C26
C27
C26
C29
C30
C31
C32

C33A

C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C46

C47A

C48
C49
C50
C51
C52
C53
C54
C55
C56

C57A

C58
C59
C60
C61
C62

)
D

No.

B
C
D

B
C

B

B

B

Some

Some

1st. Video
2nd.

Video
3rd. Video
Video

Output-Sound
AGC - Sync
Noise
Audio
Audio Output

ZENITH

PART

No.

21CXP4
24AJP4

RATING

CAP.

VOLT.

•40
.80
.10

476

100

350

14

400

•10

20

25

RATING

CAP.

470
6
1000
12
12
7
470

1.5
1000
1000

1000

470
330
470
5

7.5

4700

47

.1
.1

10000

1000

10000

.33

3.3
50

2.4
470
4
10

\

1000'
1000­470

10000

2200
2200

470

3300

.15
.022

.0068

.015
.1
.047
.033

100

-

\

100 _

4700
4700

1000

.047
.1

330
1100
1500
1000
1000"

\0

1000.

4700

.1

10000

110

72

versions

versions

USE

IF

IF
IF

Limiter
Det.

400
400

50

VOLT

1000
1000

1000
1000
1000

200
200

1000
200

1000

iOOO

1000

200
200
400
600

400

200

400

200
200

1000

4000
2000

use 7.

use .

Amp.

Amp.
Amp.

Sep.

GENERAL

22-2971

22-2744

22-6

22-2381

22-17

22-2379
22-2379

22-2513

22-16

22-1764

22-17
22-17
22-17
22-16

22-2667

22-16

22-2990
22-2742

22-14

22-2467
22-1777
22-1777

22-3
22-17
22-3

22-2159
22-2343
22-2460
22-2596
22-2460

22-2731

22-21
22-6

22-3
22-8
22-8
22-6

22-11

22-2147
22-2621

22-2264
22-2061

22-1778

22-2635
22-22

22-14
22-17

22-1778
22-1777
22-2667
22-2859

22-12
22-17
22-21

22-14

22-1841

22-3

22-2694

5mmf

Olmfd

TUBES

IF Amp

-

PART

ZENITH
PART

No.

ZENITH

PART

/

(Part

gi

(GENERAL

TYPE

6BZ6
6BZ6
6BZ6
6AW8A

6BU8
6BN6
6AQ5

REPIACEMENT

ELECTRIC

No.

ELECTROLYTIC

AFH4-113-50

AFH3-180

Capacity

values

Capacitors,

AEROVOX

No.

PART

HVD-15-470

NPO-SI1.5

1469-00033

P288N-1
P288N-1
BPD-01
HVD-15-1000
BPD-01
P288N-33
NPO-SI3.3

SI 50

HVD-15-470
BPD-01
BPD-0022
BPD-0022
HVD-15-470

BPD-0033
P288N-15

P488N-1
P288N-047

BPD-0001

\4

BPD-0001

P288N-1
1469-08033
1464-0011

P688N-1
BPD-01

#22-2742)

200V

10%

NOTES

PICTURE

DATA

RCA

PART

AEROVOX

PART

No.

given

and in

No.

In

this

(Part

#22-2565)

ELECTRIC,

No.

CORNELL-

DUBILIER

PART

,

C1445.3

-BR8045

C1445

FIXED

in the

mmfd.

CENTRALAB

PART

No.

DD-471

D6-471
TCZ-1R5

D6-471
D6-331
D6-471

TCN-47
DF-104
DF-104
DD-103
DD-102
DD-103

TCZ-3R3
D6-500

DD-103
DD-222
DD-222
D6-471

DD-332

DF-104
DF-503

DD-101
DD-101

DF-104
D6-331

DD-103

application.

in

TUBE

SYLVANIA)

ITEM

No.

V8

Vert.

Mult.

V9

Horiz.

Phase
Horiz.
Horiz.
Horiz.

Damper

HV

LV

«

Used

SYLVANPA

PART

No.

(D

AFC

Osc.-Horlz.

Output

Rectifier
Rectifier

in

Ch.

V10
VU
V12
V13
V14

21CXP4

CAPACITORS

REPLACEMENT

No.

MALLORY

PART

rFP459

LTCSO

JP394
hrc22

DATA

No.

CAPACITORS

rating

column

and

No.

are in

Ceramic

REPLACEMENT

ERIE

PART

HD15-470

ED-470
TCO-1.5

ED-470

ED-330

ED-470

TC7-47

ED-01

HD15-100(

ED-01

TCO-3.3
GP-50

ED-1000
ED-1000
HD15-470

ED-01

ED-0022
ED-0022
HD15-470

ED-0033

ED-100

ED-100

ED-1000

ED-330

CY20C112J

ED-1500
ED-1000

ED-1000

ED-01

for

Mica

CORNELL-

DUBILIER

PART
BYA10T47

C10V6C

OOV7C

5R5T47

C10V15C

5R5T47
5R5T33
5R5T47

1R5D47
CUB2P1

CTB2P1

BYA6S1

BYA10D1M

BYA6S1
CUB2P33
C10V33C
LT6Q5

C10V4C

"1R5D1

/
\1

-LR5D1
BYA10T47
BYA6S1
BYA10D22
BYA10D22
BYA10T47
BYA10D33

CUB2P15

CUB4P1
CUB2S47

L10T1
L10T1

1R5D47
1H5D47

1R5D1

CUB2P1
5H5T33
1H5D11
1R5D15

"1R5D1

1
\4

-1R5D1
1R5D47
CUB6P1
BYA6S1

this

application.

USE

-Vert.
Det.

CD

No.

17A21Q.

"Silver

PYRAMID

PART

Output

­ Disch.

NOTES

Screen

No.

mfd.

for

Paper

Capacitors.

DATA

MALLORY

PART

No.

DC30347

GEM-201
GEM-201

DC511

DC3021
DC5U
GEM-2033
ZT-5533
UC-545

MCB255
MCB255
DC30347

DC511

UC-5222
UC-5222
DC30347
UC-5233
GEM-2015

GEM-16268
GEM-401

GEM-4147
UC-531

UC-531

MCB255
GEM-201

MCB255
MCB255

GEM-601

DC511

TYPE

6CY7
6CN7

6CG7
6BQ6A
6AX4GT
1B3GT
5U4GA

85"

SANGAMO

PART

No.

,Q-046
4HTD-4520

T-610

SPRAGUE
PART

5GA-T47

MS-347

5TCCB-W

MS-347
MS-333
MS-347

MS-247
2TM-P1

2TM-P1
5HK-S1
5GA-D1
5HK-S1
2TM-P33
5TCCB-V3!
5GA-Q5

5GA-D1
5GA-D1
5GA-T47
5HK-S1
5GA-D22
5GA-D22
5GA-T47

5GA-D33
2TM-P15

4TM-P1

2TM-S47

5GA-T1

5GA-T1
MS-247

MS-247

MS-21

2TM-P1
MS-333
MS-211
MS-215

MS-21
MS-21

MS-247
6TM-P1
5HK-S1

No.

NOTES

1J3GT

*
5DB4»
5AU4

>

SPRAGUE
PART

No.

*R2584

TVL-3806.

NOTES

NPO
10%
N76 5%
N75 5%
NPO
10%

10%
10%
10%

10%
10%
10%

N470

10%

N750

5%

5%
10%

NPO©

N150

5%
10%
10%

10%
10%

®

10%

a

10%

10%
10%

10%

10%
10%

10%
10%
10%
10%
10%
10%

10%
10%

R1A

R2A

R3A

R4A

,

B

IR5A

R6A

R7A
R8A

R9A

RIGA

Rll

Note
* Use
t

File

tt

ITEM

No.

B
C

B
B

B

B
B

Use

B

B

B

1.
KR-1
double

Imeg

RATING

RESIST-

ANCE

Imeg
Shall
Switch
Imeg

Shaft
750K
Shaft
250K
Shaft
8000!!
Shaft

7.

5meg

Shaft

750K

Shaft

7.5meg

Shaft

aooon

Shaft

5meg

Shaft

750O

Alternate

on red

flat as

resistor

WATTS

i

1

a

~z

2{WW)

1

i
i

4

2

2(WW)

3meg

label

required.

control

In

series

ZENITH

PART

63-4005

63-3616

63-3299
63-3572
83-4001,
63-2919

63-3262
63-3263

63-3568
63-4012
63-3284

control.

PARTS

No.

(part

with

B-70
Not
KB-1
B-70
Not
B-66
Not
B-50
Not

WW-752

Not

AB-B'J

AK-1

AB-66

AK-1

AB-89

AK-1

AB-8

AK-1

#63-4026)

right

hand

LIST

CENTRALAB

PART

No.

Req..

*

Req.

Req.

Req.

t

Req.

tt

may be

terminal

A

REPLACEMEI

CLARO

PART

A47-lm

FS-3

SWE-12

A47-lm
KSS-3

A47-75'

KSS-3
A47-25I
KSS-3

A43-75I

DFS-i/

A47-7.

FKS-1/
A47-75I
FKS-1/'
A47-7.

FKS-1/
A47-30I
FKS-1/'

39-800

used

of

com

!

!

in

RESIS

All

wattages

1/2

watt,

or

6

R12
R13

,R14

R15
R16
R17
R18

R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38

R39

R40

R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53

ITEM

No.

OHMS

2.

2meg

33K

sen

15K
56(2

isoon

120K
120K
15 K

22R
220!)
220!!

8200n

1200

2700S2

68K

osoon

10K
12K
100 K

looon

100K
100K

15K

220K

3301!
33 K

47SJ

150K

220K

27K

56K5%

180K

Imeg
l.Smeg
680K
470K

100K
180 K
27K
47K
100K

RATING

WATT

4

1

1

2

ZENITH

PART

63-1926
63-4008
63-1737

63-1733
63-1792
63-1873
63-1873
63-2372
63-1715
63-1758
63-1758

63-3602
63-1747
63-1803
63-1862
63-1820
63-1071
63-1831
63-1870
63-1786
63-1869
63-1869
63-1834
63-1883
63-1765
63-957
63-1729
63-1876
63-1884
63-1845
63-1858
63-1880
63-1911
63-1918
63-1904
63-1898
63-1869
63-1880
63-947

63-1855
63-1870

No.

Note

1.

Chassis

NOTES

17A21Q

uses

les:

33

TRANSFORME

ITEM

No.

Tl

I

Used

)

Used

PRI.

117V

@1.6A

in Ch.

in Ch.

RATING

SEC.

560VCT

® . 280A

17A20,

17A21Q.

No.

0>
@

Holldorso
PART

No

ZENITH

1

SEC.

U,

Q.

PART

2

95-1555
95-1562

TRANSFORMERS

ITEM

No.

T2
T3A

B

M5

T4

d)

Connect

@

Includes

®

Connect yoke

terminal

<3)

Use

®

Connect yoke

terminal

® Use

Vert.

Output
Yoke-Horiz.
(90°)

Vert.

Rear

Cover
Centering
Horiz.

Oulput

as

autoformer.

rear

#1. Use

original

#1. Cut and

original

USE

(13MH)

(37.

&

Device

cover
terminal

original

rear

cover

terminal

mounting

5MH)

and

tape

ZENITH

PART

No.

95-1552

95-1554

@

S-23237
S-41906

centering

device.

#3 to

horizontal

centering

horizontal

lead.

output

device.

output

yoke damping network,

and

#2 to

orange

bracket.

PART

No.

DF606

®a>

transformer

if

transformer

Mer

PART

MDF-

®<3>

HVO-

necessary

!

i

i

PAGE

12

JiA)

)utput

Disch.

MID

No.

rQ-046

4UTD-4520

T-610

1.

for

Paper

apacitors.

VTA

ULLORY

ART

No.

230347

iM-201
5M-201

3511

33021

3511

JM-2033
F-5533
3-545

CB255
CB255
330347

3511

3-5222
3-5222
330347
3-5233
EM-2015

EM-16268
EM-401

EM-4147

0-531
C-531

CB255
EM-201

CB255

CB255
EM-601

C511

TYPE

6CT7
6CN7

6CG7
6BQ6A
6AX4GT
1B3GT
5U4GA

SANGAMO

PART

No.

SPRAGUE
PART

5GA-T47

MS-347
5TCCB-W

MS-347
MS-333
MS-347

MS-247
2TM-P1

2TM-P1
5HK-S1
5GA-D1
5HK-S1
2TM-P33
5TCCB-V3!
5GA-Q5

5GA-D1
5GA-D1

5GA-T47
5HK-S1
5GA-D22
5GA-D22
5GA-T47
5GA-D33
2TM-P15

4TM-P1
2TM-S47

5GA-T1
5GA-T1
MS-247
MS-247

MS-21

2TM-P1
MS-333
MS-211

MS

-215

MS-21
MS-21

MS-247
6TM-P1
5HK-S1

No.

NOTES

1J3GT

*

5DB4

«

5AU4«

SPRAGUE
PART

No.

•R2584

TVL-3806.

NOTES

NPO
10%
N75 5%
N75

5%

NPO

10%
10%

10%
10%
10%
10%
10%

N470

10%

N750

5%
10%

NPOO)

N150

5%
10%
10%

10%
10%

®

10%

10%

10%
10%

10%

10%
10%

10%
10%
10%
10%
10%
10%

10%
10%

PARTS

LIST

AND

DESCRIPTIONS

CONTROLS

H1A

R2A
R3A
R4A

,

B

IR5A

R6A

R7A
R8A

R9A
R10A
Rll

Note
* Use
t

File

tt

ITEM

No.

B
C

B
B

Use

B

B
B

B
B

B

RESIST-

ANCE

Imeg
Shaft
Switch
Imeg
Shaft

750K

Shaft

250

Shaft
8000(2
Shaft

7.

5meg

Shaft

750 K

Shaft

7.

Smeg

Shaft
3000(2
Shaft
Smeg
Shaft
750(2

1.

Alternate
KR-1
double flat

Imeg

RATING

K

on red

resistor

WATTS

a

1

1

a

2(WW)

i

i
i

1

~z

2(WW)

3meg

label

as

required.

in

63-4005

63-3616
63-3299
63-3572
63-4001
63-2919

63-3262
63-3263

93-3588
63-4012

63-3284

control

control.
series

PART

».

No.

(part

with

CENTRALAB

B-70
Not
KB-1
B-70
Not
B-66
Not

B-50

Not

WW-752

Not

AB-89

AK-1

AB-66

AK-1

AB-89

AK-1
AB-8
AK-1

#63-4026)

right

hand

PART

Req.

Req.

Req.
Req.
Heq.

REPLACEMENT

No.

»

f

tt

may be

terminal

CLAROSTAT

PART

No.

A47-lmeg-Z

FS-3

SWE-12

A47-lmeg-Z
KSS-3
A47-750K-S
KSS-3

A47-250K-S

KSS-3

A43-7500

DFS-1/2
A47-7. 5meg

FKS-1/4
A47-750K-S
FKS-1/4
A47-7.

Smeg

FKS-1/4
A47-3000-S

FKS-1/4

39-800

used

in

some

of

control.

DATA

-S

-S

ft

IRC

PART

"013-137

Not

Req.

76-1

013-137

Not

Req.

011-136

Not

Req.

QU-130

Not

Req.

011-142

RQ

QU-136

TQ

QU-142

TQ

011-112

RQ

Bll-141
TMl-Klt

versions.

No.

tt

MALLORY
PART

No.

PP16A

Not

Req.

Not

Req.
U53
Not

Req.
054
Not

Req.
U48
Not

Req.

U82

Not

Req.

PTA7S4L

Not

Req.

PTA855R

Not

Req.

PTA352L

Not

Req.

FL-750

tt

INSTALLATION

Volume

Tone

Vert.

Hold
Brightness
Contrast
Focus

-Note

AGC

Vert.

Size

Vert.

Lin.
Fringe

Lock

Buzz

1

with

NOTES

Imeg

stop

ITEM

No.

ITEM

No.

SP1

T5

IMPEDANCE

PRI.

940012

SIZE

5

1/4"

10"
10"
8"

SEC.
3-4S2

PM

PM
PM
PM

TYPE

FIELD

ORIGINAL
TERMINAL

CONNECTIONS

ZENITH

PART

95-1379

V.

C.

3-4(2
3-4(2
3-412
3-4(2

Tl

No.

(J>

IMP.

RESISTORS

6

5%

R12
R13

,R14

R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25

R26
R27
R28
R29
R30
R31
H32
R33
R34
R35
R36
R37
R38
R39
R40
H41

R42
R43
R44
R45
R46
R47
R48
R49
H50
R51
R52
R53

ITEM

No.

OHMS

2.

2meg

33 K
68(2
15K
561!

1500(2

120K
120K
15K
220

220(2
22012
8200(2

120(2

2700(2

68K

6

800B

10K
12K
100K

1000(2

100K
100K
1SK
220 K

330Q

33K
47(2
150K

220K

27K

56K5%

180K

Imeg

1.

Smeg
680K
470K

100K
180K
27K
47K
100K

RATING

WATT

4

1

1

2

ZENITH

PART

63-1926
63-4008
83-1737

63-1733
63-1782
63-1873
63-1873
63-2372
63-1715
63-1758
63-1758
63-3902
63-1747
63-1803
63-1862
93-1820
63-1071
63-1831
63-1870
63-1786
63-1869
63-1869
63-1834
63-1883

63-1765
93-957
63-1729
63-1876
63-1884

63-1845
63-1858
63-1880
63-1911
63-1918
63-1904
63-1898
63-1889
63-1880
63-947
63-1855
63-1870

No.

Note

Allwattagesl/Zwatt,

1.

Chassis

TRANSFORMER

ITEM

No.

Tl

)

Used

)

Used

ITEM

No.

T2
T3A

B

MS
T4

CJ)

Connect

(2)

Includes

(£>

Connect yoke terminal

terminal

®

Use

®

Connect

terminal

® Use

RATING

PRI.

SEC.

117V

560VCT

®1.6A

@ . 280A

in

Ch.

17A20,

in Ch.

17A21Q.

USE

Vert.

Output
Yoke-Horlz.
(90°)

Vert.

Rear

Cover
Centering Device
Horiz.

Output

as

autoformer.

rear

#1. Use

original

yoke

#1. Cut and

original

1

U, Q.

(13MH)

(37.

5MH)

&

cover

original

rear

cover

terminal

tape

mounting

SEC.

and

#3 to

#2 to

bracket.

ZENITH

PART

2

95-1555
95-1562

TRANSFORMERS (SWEEP CIRCUITS)

ZENITH

PART

No.

9S-1SS2
95-1554

@

S-23237
S-41906

centering device.

horizontal output transformer terminal

yoke damping network,

and

centering

device.

horizontal

orange

output transformer terminal

lead.

NOTES

17A21Q

No.
(D

@

Holldorson

PART

DF606

®®

or

uses

Holldorson

PART

No.

if

necessary,

less,

unless

otherwise

ITEM

No.

R54

10K

R55

880B

R56

390K

R57

27K

R58

470(2

RS9

680(2

R60

220K

R61

82K

R62

3.

R63

22K

R64

18K

R65

33K

R66

220 K

R67

68K

R68

82K

R69

1000(2

R70

2.

R71

82K

R72

1200(2

R73

8200(2

H74

390(2

R75

390(2

R76

100K

R77

100K

R78

Imeg

R79

100K

R80

47K

R81

680(2

R82

22K

R83

10K

R84

68K

R85

180K

R88

100(2

R87

Imeg

R88

22K

R89

100(2

R90

10K

R91

56K

R92

4.

R93

22K

R94

230 K

330(2

2W

(Part

J63-1622)

(POWER)

REPLACEMENT

Merit

PART

No.

Merit

PART

MDF-91

®3>

HVO-143

No.

REPLACEMENT DATA

No.

PART

No.

Y90F12/47

®3>

X137

® *

#2,

yoke

connect horizontal network

#2,

yoke

RATING

OHMS

3meg

2meg

7Q

PART

PART

A-8123
DY-13A

HO-271®*

terminal

terminal

listed.

DATA

No.

Sloncor

®a>

ZENITH

PART

63-1869
63-1869
63-1911
63-1869
63-1855
63-1779

this

application.

PART

Thordarson

PART

Y-39

63-1827
63-1779
63-1894
63-947
63-1771
63-2290
63-1883
63-1866
63-1932
63-1842
63-1838
63-1848
63-1883
63-1862
63-1866
63-1786
63-1925
63-1866
63-1976
63-3602
63-1768
63-1768

63-1842
63-2145
63-1862
63-2313
63-1744
63-1912
63-1841
63-1744
63-3623
63-2341
63-1581
63-1055
63-3607

No.

No.

®

No.

Thordorson

WATT

2
1

1

2

1

4
2

1

in

No.

Q)

FLY-118®*

#1 to

horizontal output transformer

across

yoke

#7 to

horizontal output

PART

PART

Y-42-28,
NW24

terminals

Motel

No.

Triad

No.

NOTES

Triad

PART

No.

NOTES

#3 and #7.

transformer

3

1/4"

Electrt

ITEM

No.

L1A

B

L2A

B

L3A

B
L4
LS
L6
L7
L8
L9A

B
L10

m

L12

*

Parallel

•

Enlarge mounting holes.

Note

1.

ITEM

No.

L13

ITEM

No.

L14

3)

Used

©

Used

®

Drill

ITEM

No.

Kl

K2

ITEM
No.

Ml

ITEM

No.

M2

USE

1st. Video

IF

41.25MCTrap

47.

25MC

Trap

39.

75MC

Trap

2nd.

Video

IF

47.

25MCTrap

3rd. Video

IF

4th.

Video

IF

Series

Peaking Coil

HF

Choke

Shunt

Peaking Coil

4.

SMC

Trap

1st.

Sound

IF

Series

Peaking

2nd.

Sound

IF

Quadrature Coil

with

560012

Alternate

part

DC

RES.

PRI.

SEC.

165(2

*

CURRENT

(Measured)

.280A

in Ch.

17A20,

in Ch.

17A21Q.

new

mounting hole.

Vert.

Integrator

Vert.

Feedback

RATING

TYPE

4AOA

N

125V

S/B

ORIG.

TYPE

1N64

RATINGS

DC

USE

103-23

static

Coll

resistor.

(S-41890.

S-19743

RES.

62(2

U,

ZENITH
PART

ZENITH
PART

INDUCTA

Q.

136-33

No.

(0

CURR
1000^

1.8

FUSE

No

S­8­S­S-

S­S—

S-!
S­S-

S-:

S-.
S-l

Hy

Z

P

\S

)LS

TA

IRC

PART

No.

013-137

Not

Req.

78-1

013-137

Not

Req.

Qll-136

Not

Req.

QU-130

Not

Req.

Qll-142

RQ

QU-136

TO

QU-142

ft

TQ

QU-112

RQ

Bll-141
TMl-Klt

s

less

otherwise

ITEM

No.

OHMS

154

10K

155

680S2

156

390K

157

27K

158

47012

159

5801J

220

K

160

82K

161
162

3.3meg

163

22K

164

18K

165

33K

166

220K

167

68K

168

82K

169

1000S!

170

2.

2meg

171

82K

172

12001!

8200S2

173

390(2

174
175

3

son

100 K

176
177

100K

178

Imeg

179

100K

:80

47K

181

6son

182

22K

183

10 K

68K

184

180K

185
186

100S!

187

Imeg

188

22K

189

100!!

190

10K

191

56K

192

4.

m

193

22K

194

230K

IV

(Part

*63-1622)

(POWER)

REPLACEMENT

Merit

PART

\RT

No.

CIRCUITS)

CEMENT

DATA

PART

No.

Y90F12/47

®3>

X137

® *

inal

#2,

yoke terminal

onnect

horizontal

inal

#2,

yoke

MAL1ORY

PART

No.

PP16A

Not

Req.

Not

Req.
U53
Not

Req.
U54
Not

Req.
U48
Not

Req.

U82
Not

Req.

PTA754L

Not

Req.

PTA855H

tt

Not

Req.

PTA352L

Not

Req.

FL-750

listed.

RATING

PART

A-8123
DY-13A

HO-271®*

terminal

ZENITH

PART

WATT

63-1827
63-1779
63-1894

2

63-947
63-1771

1

63-2290
63-1883
63-1866
63-1932
63-1842
63-1838
63-1848
63-1883
63-1862
63-1866
63-1786
63-1925
63-1866

1

63-1976
63-3602
63-1768
63-1768
63-1869
63-1869
63-1911
63-1869
63-1855
63-1779

63-1842

2

63-2145

63-1862

1

63-2313

63-1744
63-1912
63-1841
63-1744

4

63-3623

2

63-2341
63-1581

1

63-1055
63-3607

in

this application.

DATA

No.

PART

No.

n

No.

PART

CJ

Y-39

<s®

network

CD

FLY-U8CD*

#1 to

horizontal

across

#7 to

horizontal

INSTALLATION

Volume

Tone

Vert.

Brightness

Contrast
Focus

AGO

Vert.

Vert.
Fringe
Buzz

No.

Thordarson

PART

No.

yoke

Hold

-Note

Size

Lin.

Lock

Notel

No.

Triad

PART

No.

Y-42-28.
NW24

output

terminals
output

1

with

Imeg

NOTES

PART

transformer

transformer

NOTES

stop

Triad

No.

NOTES

#3

and #7.

ITEM

No.

T5

ITEM

No.

SP1

ITEM

No

L1A

B

L2A

B

KtA

B
L4
L5
L6
L7
L8
L9A

B
LJO

m

LU

»

Parallel

•

Enlarge

Notel.

ITEM

No.

LJ3

ITEM

No.

L14

(J)

Used

(D

)

ITEM

No.

H
K2

ITEM

No.

Ml

ITEM

Na.

M2

IMPEDANCE

PRI.

9400ft

SIZE

5

1/4"

10"
10"

8"

3

1/4"

1st. Video

41.25M

47.

39.

47.

3rd.

4th.
Series

RF

Shunt

4.

SMC

1st.

Series
2nd.

Quadra

Altern

PRI.

165(2

CURRENT

(Measured)

.280A

in Ch.
Used
Drill

Vert.

Vert.

TYPE

N

ORIG.

TYPE

1N64

SEC.
3-4E!

TYPE

FIELD

PM
PM
PM
PM

Electrc

USE

IF

(,'T

25^

C

1

75\.

Vi

CT
den

25MCTrap

V:

dpn

Video

fen

if.

Cho

Peaking Coil

Ira,
nri

SOI

Peaking

Sound

ure

with

5600(2

mo

mUr

ate

DC

RES.

»

17A20,

In

C

h.

17A21Q.

new

mounting

Integrator

Feedback

RATING

S/B

95-1379

ap
rap
rap

IF

IF

IF

dng

C

P

K

Coil

IF

Coil

g ho]

part

SEC.

RATINGS

DC

RES.

62(2

USE

4AOA

125V

ZENITH
PART

103-23

*

HORIZONTAL

ORIGINAL
TERMINAL

CONNECTIONS

4

3

2

1

ZENITH

PART

No.
0>

V. C.

IMP.

3-4(2

3-4S2

3-4S!
3-4(2

static

oil

resistor.

es.

S-<

1890.

ZENITH
PART

S-19743

INDUCTANCE

[0

U,

Q.

hole.

136-33

No.

No.

CURRENT

1000^1

1.

8 Hy.

FUSE

OUTPUT TRANSFORMER

Use

Original

Width

Holldorson

Replacement

Merit

Replacement

TRANSFORMER

No.

REPLACEMENT

Merit

PART

No.

A-2932

Halldorson

PART

Z1117

SPEAKER

ZENITH

PART

49-751
49-752
49-764
49-780CJ)
49-818
49-827
49-834
49-835
S-23829

ZENITH
PART

S-41887
S-41883
S-41889
S-41891

S-41897
S-41879
8-21888
3-41880
S-42042

S-21563
S-41899

S-19020

REPLACEMENT

No.

®

No.

(J>

©
®

®

(J>

CD

DATA

QUAM

PART

52A1
10A31
10A6

8A21

(5)

Meissner

PART

19­19-

19-3160

19-3125
17-1021

TRANSFORMER

REPLACEMENT

Meissner

19-1577

TV-169

FILTER

ZENITH

PART

No.

95-1553

<D

95-1559

@

COMPONENT

DESCRIPTION

680mmf,

680mmf,

47K.

47K

FUSES

ZENITH

PART

No.

HOLDER

62-18

REPLACEMENT

CBS

PART

No.

1N64

333.400
(N

CRYSTAL

DATA

1N60

Coil

Unless

Replacement

Replacement

Connections

4

3
2

1

(AUDIO

PART

AU-608

No.

REPLACEMENT

No.

3075

1004

*

»

Ram

No.

(D

t

®
CD

CD
CD
® Two
® Two

PART

TV
BL

TV-196

TV

TV-195

TV

DATA

Used

A3001E,

Used
Used

Used

A2245E,

Used
Two
Used

DATA

Merit

No.

-186

-565

-120

-121

A-3879

•

OUTPUT)

Stancor

PART

in

Models

H, R

in

Models A3008E,

in

Models

in

Models

EU, R, RU,

in

Models A2251E,

used

in

Models
used
used

61'462

6120

6153

(HORIZ

DATA

Merit

Miller

6324

CHOKE

Halldorson

PART

No.

C5037

®

p£5

IEPLACEMEN

Merit

PART

No.

C-2991

3)

COMBINATIONS

ZENITH

680mmf,

REPLACEMENT

FUSE

4AOA-

125V - S/B)

L1TTELFUSE

PART

No.

346009

87-5
87-4

DATA

HOLDER

DIODES

SYLVANIA

PART

No.

Video

Detector

CONNECTION

Type

Is

Listed

Stancor

Replacement

Connections

4

3
2

1

Thordarson

No.

PART

No.

24S52

NOTES

A2221J,

JU, Y, YU,

A2282E,
A2223E,

A2251E,

in

Models A2673E,

A3006E,

in

Models

A2250M,

in

Models A2282E,

No.

OSC.)

Ram

Thordarson

DATA

Ram

PART

No.

No.

N4/10

(Pigtail)

PART

HS-6

FUSE

NOTES

Ram

C-2326

PART

PART

Miller

0

*

.

T

DATA

Thordarson

Replacement

Connections

4

3
2

1

Triad

PART

No.

S-17X

R
EU, R, RU
EU, H, HU, R, RU, Y, YU.

EU, R, RU,

EU, R, RU

EU, R, RU

H, R

MU, R, HU

EU, R, RU

No.

Nr

81

6.

163

136

on

*

Stancor

PART

No.

®

REPLACEMENT

BUSS

PART

No.

HN

Triad

Replacement

Connections

NOTES

CD

Alternate

#95-1569

A3000E,

R,

A3004,

E, R

NOTES

.10

1

Microhenrl

38

7

Microhenr

ies

Microhenries

Microhenries-wound
5600(2

resi

tor

NOTES

Tapped ® 65(1

PART

No.

PART

26C44

C-17X

DATA

HOLDER

3/10

to 1/2

part

Triad

No.

fr N

to

™

O

> S i

B?

-

020

«

3*

LJ

71 " m

."SB

* > 8

o M *-

0)

*-

2

TO m "^

^

3D

C

§»>

.

K>

J"

•n

0°

_

j°

10

g

fr

^

"

U

m I

Q C *

O _ I

>

JQ

*

?

y

to

~

N

*••"*
)> m -<
M~

C

O

m

;?;

to w •*

D

o

^

m

c

-

»

PAGE

13

ITEM

No.

Tuner

M3

Tuner

Tuner
Tuner

Tuner

M4

Width
Centering

M5

NAME

Safety

Glass

Safety

Glass

Safety

Glass

Safety

Glass
Knob
Knob
Knob

Knob
Knob

Knob

Knob
Knob

Knob
Knob
Knob

Knob
Knob

Knob
Knob

Cabinet
Cabinet

Cabinet
Cabinet
Cabinet
Cabinet
Cabinet

Cabinet

Cabinet
Cabinet
Cabinet
Cabinet

Cabinet

Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet
Cabinet

High Voltage Lead
Shielded

General-use
Power

300Si

Tuner

300J2

Antenna

Antenna

PARTS

PART

NAME

Sleeve

Device

(When

Hook-up

Wire

Unshielded Hock-up

Cord

(Interlock

Input

Lead

Lead-in

Rotor

Cable

LIST

AND

DESCRIPTIONS

MISCELLANEOUS

ZENITH
PART

S-41682
S-41692

S-41683
S-41693

S-41945
S-23237

No.

VHF - Models
VHF - Models
A2251E,
R, H,
UBF-VHF - Models
UHF-VHF - Models
RU,
A2673EU,

UHF

Includes yoke

R,

A2282E,

A3004,

A2250MU,

RU

A2221J,
A2223E,

B,

cover

CABINETS & CABINET

Ordering

192-238
192-239

192-244

192-242
46-1704
46-1831

S-41960

S-42044

S-

S-42039
S-42026

S-42058
46-1833

46-1703
46-1834

46-1806

S-41485

S-41946

46-1118
14-2239
14-2238
14-2241
14-2242
14-2240
14-2248
14-2299E
14-2299R
14-2279M
14-2279R
14-2283E
14-2283
14-2309E
14-2309R

14-2301E
14-2301R

14-2247
14-2246
14-2249
14-2297

14-2297E

14-2297R

14-22

14-2296H

14-2296R

14-2281E

14-2281R

Use

Use

Cabinets & Cabinet

PART

NO.

Models
Models
MU,
Models
Models
Channel
Channel
Channel
R, RU,
A2673E,
Channel

22863

R

96E

Use

Type)

Use

Use

Use

H,
Fine Tuning - Models

YU,
A2282E,
Fine

H, R,

UHF
UHF
A2251EU,
On-off-volume - Models
On-off-volume - Models
On-off-volume - Models
R, RU,
A2673E,

On-off-volume - Models
H, R,

Brightness,
Contrast
Horiz.
Models
Models
Models
Models
Models
Models
Models
Models A2245R,
Models A2250M,
Models
Models
Models
Models A2282E,
Models A2282R,
Models
Models
Models
Models
Model
Model A3004
Model A3004E
Model
Model A3006E
Model
Model A3006R
Model A3008E
Model A3008R

Wire

Use

Parts,

A2221J,

JU, Y , YU

A2223E,

R, RU,

R,

A2245E,

Tuning - Models

Dial - Models

Dial - Models

EU, H, HU, R, RU, Y, YU,

A2251E,

A2673E,

EU, R, RU

A3000E,

R,
Selector - Models
Selector - Models
Selector - Models

A2250M,

MU, H, RU,

EU, R, RU '

Selector - Models

A3008E, R ,,,,,.*,

EU, R, RU,

EU, R, RU,

A3008E, R *

RU,

A2282EU,

A2250M.

MU, R, RU,

EU, R, RU

A3008E, R >•>;,,

vertical

Hold

A2221Y,

YU

A2221J,

JU

A2223E.

EU

A2223H,

HU

A2223R,

RU

A2223Y,

YU

A2245E,

EU

RU

MU

A2250R,

RU

A2251E,

EU

A2251R,

RU

EU

HU

A2673E,

EU

A2673R,

RU

A3000E,

A3001E

A3000R,

A3001R

A3001H

A3004H
A3006H

WIRING

DATA

NOTES

R,

R,

A3006E,
A2221JU,
A2223EU,

RU,

A2251EU,

Specify

EU, R, RU,

A3001E,

A2221J,

A2673E,

A3000E.

A2221JU,

A2223EU,

hold,

BELDEN
BELDEN

BELDEN
BELDEN

BELDEN
BELDEN

BELDEN

(Continued)

Y

H, R, Y,

A2245E,

R,

A2673E,

R,

H, R,

YU

HU, RU, YU,

RU,

PARTS

Model,

DESCRIPTION

A2282E,

H, R,

A3004,

A2221Y,

YU

A2221J,

JU

A2223E,

EU, H, HU, R, RU, Y, YU,

A2251E,

A3000E,

R,

JU, Y, YU,

A2250M,

MU, R, RU,
EU. R, RU
R,

A3001E,

. '

YU

HU, RU, YU,

RU,

A2673EU,

A2221Y,

YU

A2221J,

JU

A2223E,

EU, H, HU, R, RU. Y, YU,

A2251E,

A3000E,

R,

A3001E,

tone

No.

8869

No.

8885

8738 (Two Conductor)

No.

8530 (Solid)

8524

No.

8874

No.

8225

No.

8230

No.

8464

8485 (Round)
8488

A2250M,

A3000E,

R,

A3008E,

A2282EU,

Chassis & Color)

EU, R, RU,

A3001E,

RU

EU, R, RU,

(Single

(Stranded)

or
(Flat)

(Round)

A3001E,

R

A2245EU,

RU,

A2245E,

EU, R, RU

E, R,

A3006E,

A2282E,

H, R

A3004

A2223E,

EU, H, HU, R, HU, Y,

A2251E,

H, R,

A3004

A2245EU,

A2282E,

H, R,

A3004E.

Conductor)

Available

Available

8275

or

8484

(Round)

- 5

Conductor

- 8

Conductor

EU, R, RU,

E, R

RU,

in Ten

R,

H, R,

A3008E,

A2245E

EU R RU
E R

EU, R, RU

A3006E

A2250MU,

A2245E,

EU, R, RU,

R,

A3006E

Colors

in Ten

Colors

- 4

Conductor

A2250M,

R

EU

A3006E

RU,

EU,

PAGE

14

3RD

VIDEO

IF

GRID

fp2

VIDEO OUTPUT GRID

aacnod

ioitv/1

'aooocv

'na

'a

'na

'n

'na

'a

'as^tcw

'o

'na

'ocvzi

'aci9cv
'nA

'A

CHASSIS-TOP

'M3) a 'asooev

'na

'a

'na

'nH

'acaicv

'H

'na

'na

'a

'a

'H

'39oocv

'acczzv

VIEW

'na

'a

'OA

'a

'na

XA

'afrooev

'aisscv

'nr

'ritccv

'a

'na

'H

'aiooev

'a

'nw

snaaow

'a

'wosctv

HIINSZ

ITEM

VI
V2
V3
V4
V5
V6

V7

V8

V9
V10
Vll
V12

V13

V14

V15

V2B1

V202

TUBE

6BZ6

6BZ6

6BZ6

6AW8A

6BU8

6BN6

6AQ5

6CY7

6CN7

6CG7

6DQ6A

6AX4GT

1B3GT

5U4GA

21CXP4

6BK7A

6U8

Pinl

700K

60K

.in
Oo
On

•230n

• On

t420n

t27K

On

nooK

TP

NC

NC
On

t!700n

tlOK

THIS

READING

ELECTROLYTIC

•

THIS READING WILL VARY. CONTROL

t

MEASURED FROM 275V SOURCE.

t

MEASURED FROM

tt

MEASURED FROM

NC

NO

CONNECTION.

TP

TIE

POINT.

RESIS1

Pin 2

1500n

TT22n

120n

100K

.20

680n

NC

200K

67K

.In

TP

PINS

1
27K

55K

100K

FANCE

1

CAN

VARY GREATLY, (10K

CAPACITOR

PIN 3 OF
PIN 7 OF

MEASUR

Pin 3

.10

.In

.10

t37K

t380K

.In

.10

2.

100K

On
TP

1

TP

PIN6

•

INF

tlOOK

On

On

Oo

.In
.In

On

On
On

2meg

On

Oo

tlOK

NC

THRU 8 HAVE

30o

t60K

PIN10

t60K

On

On

CONNECTED

V12.
V2.

'Pin

4

INFINITE

MINIMUM),

IN THE

SET

EMENTS

Pin 5

tt240n

t220n

t8200n

Oo
On

t27K

1

13580

.10

.In

.10

Imeg

tOn

NC

PIN11

•

180K

.in
.In

FOR

Pin 6

tt240o

t220K

t8200n

47n

•160n

4.4o

t470n

•

fSmeg

680n

tOn

TP

NC

RESISTANCE

27n

PIN12

.10

INF

t470o

DUE TO THE

ASSOCIATED CIRCUIT.

NORMAL OPERATION.

Pin?

Oo

INF

Oo

2700n

• t

Imeg

t390K

•

Oo

•

550K

1.2meg

33K
Oo

Oo

TP

I

.2meg

On

CONDITION

Pin 8

t23K

t33K

On

t47K

UK

Oo

.10

1

On
Oo

OF THE

Pin 9

1

57000

3.5meg

•

1500o

NC
Oo

TOP

CAP

t!6n

TOP

CAP

t266o

On
10K

RINGELOCK

HOR1Z

BUZZ

FUSE-HORIZ

SWEEP

(N-4/10A-25CV-S/BI

OSC-hORIZ

DISCHARGi

HORfZ

PHASE

DET-HORIZ

AFC

PAGE

22

TUBE

PLACEMENT

CHART