RCA ctc10 schematic

PHOTO

FACT8

Fold

er

with

ClRCUNRACE*

RCA

VICTOR

CHASSIS

D, E, F, T, TU, W,

CTCIOA,

CRK3F,

B, C,

CTP7B

TRADE

NAME

MANUFACTURER
TYPE

SET
TUBES
TRANSISTOR
POWER SUPPLY
RATING

TUNING

RANGE

RCA

Victor

211CB822, 211CD855,
211CB822U,
211CD835, 211CD835X, 211CD836, 211CD836X, 211CD837, 211CD837X,
211CD865,
211CD904,
211CD835U,
211CD865U,
211CD896U, 211CD904U,
211CDR835, 211CDR836, 211CDR837, 211CDR886, 211CDR896, 211CDR904,
211CDR920, 211CDR924, 211CDR932, 211CDR935,
211CDR835U,
211CDR904U,
211CDR936U
211CB812 . .Chassis
("CDR"

Radio Corporation

Color

Television

TV:

VHF -

- 120

Twenty-Six,

Volts

AC, 60

w/Remote
TV

Only:

Remote Control
110
VHF/UHF

VHF/UHF
Channels 2 thru

MODEL

211CDR936U

211CD855U, 211CD856U, 211CD857U

211CD866, 211CD867, 211CD885, 211CD886, 211CD887, 211CD896,
211CD920, 211CD924 CTCIOC

211CD835XU,
211CD866U, 211CD867U, 211CD885U, 211CD886U, 211CD887U,

211CDR836U, 211CDR837U, 211CDR886U, 211CDR896U,
211CDR920U, 211CDR924U, 211CDR932U, 211CDR935U,

CTC10F

Models

of

America,

Receiver

UHF -

Transmitter:

Cycle

Control:

290

13

VHF,

14

thru

(TV CH.

CTC10F)

2HCD856,

CTC10T;

use

Remote Control

and

Remote Control

RCA

Twenty-Seven Remote Control

One
352

Watts,

325

Watts,
Watts, 3 Amp.

83

UHF, Video

211CD836U,

211CD920U,

211CB812U

Victor

Tele.

3.65

3.4

211CD857

211CD836XU, 211CD837U, 211CD837XU,

211CD924U CTCIOD

211CDR936

Receiver
Transmitter

Div.,

Amp.

Amp.

S>

IF 45.

..

CTP7B

Camden

D 117

Volts

® 117

Volts

117

Volts

75MC, Sound

CRK3F)

AC

CTC10TU;

8, New

Receiver:

AC

(While Tuning)

AC

(Not Tuning)

IF 41.

CTC10E

211CRH976

Jersey

25MC

(Intercarrier)

Six

. .

CTC10W

3?

c-n

HOWARD

The

listing

not

constitute

guaranty

by

and

suitability

these

parts

to

Howard

KB434

of any

available replacement

in any

case a recommendation, warranty

Howard

W.

Sams & Co.,

of

such replacement part.

have been compiled

W.

Sams & Co.,

W.

SAMS

part

herein does

Inc.,

as

to the

The

from Information furnished

Inc.,

by the

numbers

manufacturers

A

CO., INC. Indianapolis

the

or

quality

of

of

particular type

duction

or
pictorial
liability
tion contained herein. © 1961 Howard
Indianapolis

DATE

use, without

content,

is

assumed

2-61

6,

Indiana.

of

in any

with

6.

replacement
express

permission,

manner,

Is

respect

to the use of the

Printed

Indiana

part

listed.

of

prohibited.
W.

Sams & Co.,

in

U.S.

Repro-

editorial

No

informa-

of

America

SET

517

or

patent

Inc.,

FOLDER

2

\f

4/^

A-lhA

@40rald

NON

POLARIZED

2,

(Sp

t^

©

STATION
STOPPER

,

'

|

TUNER

7

SHAFT

(M^O)

AUDIO

SOUND

©6EW6

IF

VOLUME

—

|

COLOR

iSATURATIOK

ail

~

1

@6DT6A

DFJ

[®

5

6

"3

U7VAC - 325

SEE

ALTERNATE

WATTS

(WITH
352
290

VALUE

REMOTE!

WATTS

(WITH

REMOTE,

WATTS (TELEVISION ONLY)

CIRCUIT

OR

APPLICATION

(CONTROL

VIEWED

A

PHOTOFACT

°Howard

WHILE

TUNING)

AC

PRIMARY

USED

IN

WITHOUT REMOTE

FROM

STANDARD

with

HCSK^^S

W.

Sams & Co., Inc. 1961

@±.

MODELS

SHAFT

NOTATION

047

CIRCUIT

END)

SCHEMATIC

1234567

i_^

MOTOR S CLUTCH
SOL

TERM

,

NAL

BOARD

n

"•

r

1

6

H5

1-

4 L

®HEP_®

AMP

150«AC

3

10000

REMOTE

CONTROL

CABLE PLUG

REMOTE

--D

ADDITIONAL

SCHEMATICS

REMOTE CONTROL

and

THAN

VHP

TUNER

with

KRK97E,

F,

UHF

TUNER

KRK66AA,

VHF

TUNER

KRK96E,

VHF

TUNER

KRK98C

RECEIVER

SMITTER

UHF
H

RECEIVER

Provisio

AB...

F,

H...

PAGE

Z7

29
31
32
33

PAGE

2

FOR

AODITIONALWIDTH

MOVE

LEAD

FROM

DUMMY

RECEPTACLE

"D"

TO

RECEPTACLE

2

\

31

..32

ALL

WAVEFORMS EXCEPT COLOR

WITH

BLACK

AND

CONTROLS

SET TO

AT

PICTURE

TUBE

COLOR

CIRCUIT WAVEFORMS TAKEN
BAND OSCILLOSCOPE
ADJUSTMENTS

SET TO

ENTATION

FROM A FULLY SATURATED COLOR-BAR

GENERATOR

CONSISTING

CYAN, BLUE,

. 33

MAGENTA,

CIRCUITTAKEN

WHITE

TEST

PATTERN

PRODUCE

50

VOLTS

CATHODES'

WITH

ALL

CONTROLS

PRODUCE PROPER PRES-

OF

RED,

YELLOW,

AND

WHITE.

OF

WITH

AND ALL

VIDEO

WIDE

AND

GREEN

,„

VIDEO

M>

©

OUTPUT

12BY7A

120m

mf

BURST

@6EW6

®B6AW8A

AMP

COLOR

KILLER

@

SYNC

CHROMA

PHASE

6AL5

DEI

BANDPASS
©

(S);;820ir™l|

kr""1 ^ i

^ki

||«A7S7S

CHROMA

6AU6

(ga):

AMP

Z

DEMODULATOR

@Bl2AZ7A

:J

X

DEMODULATOB

TU12AZ7A

CHANGE JUMPER
GROUND
SIDE
WHEN
TILT RANGE
NEEDED
CONVERGENCE

BOTTOM

OF

WINDING

MORE VERT

IS

FOR

TO

OPTIMUM

.HANGE

JUMPER

ROUND

BOHOM

IDE

OF

WINDING

MORE

ILT

RANGE

IEEDED

FOR

:ONVERGENCE

TO

VERT
IS
OPTIMUM

RCA

VICTOR

D, 1, F, T, TU, W,

CHASSIS

CRK3F,

CTCIOA,

CTP7B

B,

C,

STEREO

JACK

©RED

R-GDIFF

©

R-G

MASTER

R-CDIFF

©

R-G

BLUE

TUBE

PLACEMENT CHART

CONVERGENCE

CONTROLS

TILT LEFT

© © ©

R-0-3

MASTER

R-G-«

© ©

BLUE

B-2

FUSE

3.

SAMP

M

R"G"Z

K~^~>

250V-C-ILV

©

-

POWER)

HORIZ HOLD

3rd

VIDEO

.6AIV8A

,_--

SYNC

KILLER THRESH

1

VERT

—

"f"'

VERT

HOLD CONTRAST

TOP

IF

AMP-

?nr1vmmlFAMP

SEP

>

SOUND-

LIN

VIEW

^

TONE

(ADJACENT

SOUND

SOUND ATTENUATION

1st

VIDEO

IF AMP

REJECT)

MIXER-OSC

TUNER
#KRK97H

-

O

UHFOSC

6AF4A

TUNING

NORMAL-SERVICE SWITCH

GREEN

DRIVE

RED

SCREENC

-YAMP^-YAMP

FOCUS

RECTIFIER

©

HORIZmiTPUT

DAMPER

^

CHROMA

OSC

CHROMA

REf

CONTROL-

REF

OS"

3.58MCXTAL

FOCUS

nSi

,

(C^HORIZLIN

FUSE

3/4 AMP

X

DEMODULATOR-

Z DEMODULATOR

PHASE

VIDEO

AMP-

(

V4

1

16AW8A

1

COLOR

KILLER

250V

(HIGH

CHRYNC

DET

x'

BH

NDICATES

OB

LOCATING

AGCKEYING

N0,s£

BURST

m

V6EW67

AMP

BLANK

PIN

KEY

CHROMA

/

VM

N\

c

5

E)

—

•'

^

HV

SOUND

IF

REGULATOR

1

r~~~7

AMP

^"-*y/>fe"\)

HORIZ PHASE

VERT

MULT-

rtRT OUTPUT

"

c

AUDIO

DET

DET

"

H.V.

ADJUST

AUDIO

©

OUTPUT

HORIZ

FRE(J

-@

SET

517

FOLDER

2

PAGE

3

TV

ALIGNMENT

INSTRUCTIONS

PRE-ALIGNMENT

The

high

Allow

Suggested

VIDEO

Connect
Connect

Connect
Connect a clip
50%

rotation.

DUMMY

ANTENNA

Direct

"

"

"

OVERALL

Connect
Connect a .OOlmfd
Connect a lOOOmml
The

Video
Connect
Use

10MC sweep

DUMMY

ANTENNA

Direct

10.

Fig.

4

12.

INSTRUCTIONS

voltage

lead

negative
negative
negative

lead

Video

SIGNAL

GENERATOR

COUPLING

side

shield

-Osc.

side

to

as

under

shield

probe

unless

GENERATOR

COUPLING

side

shield

-Osc.

side

VHF

warm-up

from point

to

floating

"

"

"

IF

capacitor

capacitor

SWEEP

to

to

thru

should

Tools:

lead
lead
lead

IF

ungrounded

tube (V302).
chassis.

RESPONSE CHECK

"Video

must

of the

ungrounded

floating

tube
chassis.

"

Antenna

a 20

minute

Alignment

IF

ALIGNMENT

the
the
the

High
tube
Mixer
Low

VIDEO

bias

IF

the DC

High
tube
Mixer
Low

Across
Terminals
matching network (Fig.

be

period

Al

of a 6
of a 15
of a

I5volt

<£>

Shield

must

over

IF

in

across

be in

VTVM

otherwise

over

(V302).

securely

taped

and

kept

away

from

the

for the

receiver

and

test

thru

A19

GENERAL CEMENT #8606, 8606L, 8282, 9295

A20

GENERAL CEMENT #5000, 5003, 5014, 5015, 5016,

volt

bias

supply

supply
supply

Preset

place

SMC

25 MC

25MC

scope

alignment.

<g> . Common

SWEEP

to

to
to pin 2 of

during

CHANNEL

leads.

GENERATOR

FREQUENCY

volt

bias
bias

to

chassis.

be in

SIGNAL

GENERATOR

FREQUENCY

43.
(Unmod.)

42.5MC

45.75MC

44.0MC

41.

47.

Alignment".

series

with a 180B

the

place

during

to

point

noted.

GENERATOR

FREQUENCY

45MC

"

All VHF

Channels

4)

separately

WALSCO

WALSCO

point

<fc> . Positive

point

^g> . Positive

Sound

alignment.

4

"

"

"

resistor

MARKER

42.

17MC

45.75MC

47.

25MC

41.

65MC

42.17MC

42.

75MC

45.0MC

45.75MC

41.

25 MC

42.17MC

45.0MC

45.75MC

equipment.

V23.

from

to

chassis.

#2526, 2543, 2544, 2545

#2512,

2515,

2522,

2523,

to

chassis.

to

Positive

Reject

DC

probe

point

to

chassis.

negative

pin 5

chassis.

CHANNEL

"

All VHF
Channels

separately

chassis.
to

(R18)

at 75%

CONNECT

VTVM

thru

lOKto

<^> . Common

Use

scale.

"

"

"

(plate)

(Use

negative

Vert.

4

demodulator
(Fig.
(plate)

Low

Vert.
to

point

side

chassis.

clockwise

of

6GM6

CONNECT

SCOPE

Amp. thru

1) to pin 5
of

side

Amp. thru

<y>

to

chassis.

6BZ6

to

. Low

"

2525,

ADJUST

Al

A2

A3

A4

Mixer
Plate
Coil

A5,

A6, R17

(V2)

scale.)

probe

chassis.

2537

rotation.

R18

to

chassis

(VI).

10K

8276,

8290

Preset

Adjacent

Adjust

for

maximum

nearest

printed

reading

Adjust
coil.

Adjust
MINIMUM
Reduce
indication.

Adjust
for

MINIMUM

ADJUST

board

of 1. 5

volts

for

maximum deflection with peak

A5 and

Sound Reject (R18)

deflection with

bias

at

point

A6

and

Adjacent Sound (R17)
deflection with

with

the

resistor

Set

sweep

scope.

Retouch
maximum
similar

to

at

point

<&

Retouch
notch

as in
resistor
bias

at

point

mfd

and

Use 3 volts
Al, A2 and A3 for
with

markers

A2

affects

affects

45.

capacitor
Retouch

A5 and R18 to

trap

notch

Decrease
SLIGHTLY
for

any

overall

the

same

Sound Adjust (R17)

REMARKS

deflection.

end of

by

<$>

output

gain

Fig.

A6 and

load

180S2

42.17MC

from point

if

bias

on all

coil.

adjusting

"

"

"

slug

if

necessary

slug

next

to

REMARKS

for . 1

Mixer

and

2.

if

necessary.

R17

Fig.

2.

from

<&>

to -6

from

peak

to

response

as

shown.

75MC

side.

necessary.

at

point

retouch

tilt
channels.

Use

Maintain VTVM

signal

simultaneously

away from

away from

chassis.

Plate

symmetry

Reduce

to

place

Remove

6GM6

volts.

pin 5 of V2.

peak

side

Connect

<§>

place

<^>

Al,

A2

that

is

at

peak with

generator

at top end of

chassis.

for

sufficient

simultaneously

volt

peak

to

Coil

and A4 for

of

response

bias

to -4

marker

capacitor

(V2).

Increase

Remove

on

scope.
similar

Al

controls

of

curve

and A3

a .

to

chassis.

41.

25MC

Remove

.OOlmfd.

to -3

volts.

and A3 to

approximately

Repeat

core

output.

for

chassis.

peak

volts

in

trap

and

. 001

Retouch

to

Fig.

tilt,

OOlmld

in

correct

step

11.

on

3

PAGE

4

SEE

PAGE

17 FOR

WAVEFORMS

SOUND

IF

ALIGNMENT

Connect

the
In
potentiometer from point
control

DUMMY

ANTENNA

.

OOlmfd

Remove

Set
a

becomes
ALTERNATE

Connect

DUMMY

ANTENNA

.

OOlmf

4.

DUMMY

ANTENNA

.

OOlmld

CHROMA

Connect
Connect a clip

Turn

DUMMY

ANTENNA

.Imfd

Turn
to

Direct

negative lead

the

following

steps,

the

level

of the

GENERATOR

COUPLING

High

side

Low

side

"

the

diode probe

A10

so

that

peak.

d

SMC

the

chassis.

core

Continue

distorted.

SOUND

the

negative

GENERATOR

COUPLING

High

Bide

Low

side

TRAP

ALIGNMENT

GENERATOR

COUPLING

High

side

Low

side

BANDPASS

the

negative lead

lead

Color

Saturation Control

GENERATOR

COUPLING

High

side

of

6AU6

(V17).

side

to

chassis.

Brightness

High

side

tube shield floating over

Mixer

-Osc.

Low

side

Connect

high
separate
ator

to

ungrounded

shield

of
Bandpass
Low

side

SIGNAL

SIGNAL

to pin 1

to

to

marker

Chroma

Amp.

to

the

signal

to

point

to

chassis.

11

is flush

clockwise

Maintain

IF

lead

to

point

to

chassis.

"

SIGNAL

to

point

to

chassis.

ALIGNMENT

from

SWEEP

Low

and

Contrast

ungrounded

tube
chassis.

side

(V17).

chassis.

TV

of a

10

volt

signal

level

<£>

to

chassis.

applied

GENERATOR
FREQUENCY

<^>

.

and

jumper. Turn
with

top of

to

second

distorted

ALIGNMENT

of a

10

volt

GENERATOR
FREQUENCY

<^>

.

GENERATOR
FREQUENCY

<g>

.

of a

f^olt

point

<^>

to

fully

GENERATOR
FREQUENCY

(grid)

(3

controls

of

gener-

tube

(10MC

(V302).

ALIGNMENT

bias

supply

to

point

may be

The

to the

Sound

SIGNAL

4.

SMC

(Unmod.)

"

off

coil

louder

signal

USING

bias

supply

SIGNAL

4.

SMC

(400%

FM

Mod.

15KC

Swp.)

"

SIGNAL

4.

SMC

(40Cn

AM)

bias

supply

chassis.

clockwise.

SWEEP

3.58MC

-SMC

Swp.)

fully

45MC

Swp.)

reduced

lead

form.

peak

and

FM

<^> . Positive

by

disconnecting

is

then connected

IF

strip.

CHANNEL

Any

non­interfering
channel

"

signal

generator

Observe

and

adjust

adjust

A8

GENERATOR

to

point

<^> . Positive

CHANNEL

Any

non­interfering
channel

CHANNEL

Any

non­interfering
channel

to

point

<^p . Positive

MARKER
GENERATOR
FREQUENCY

3.08MC

4.08MC

counterclockwise.

3.08MC

4.08MC

INSTRUCTIONS

to the

Start

alignment

CONNECT

VTVM

DC

probe thru diode

probe

(Fig.

(grid)

of

6DT6A

Common

to

Connect

scope

voice

coil

of

and

tune

scope

and

for

maximum

for

maximum output.

CONNECT

VTVM

DC

probe thru diode

probe (Fig.

(grid)

of

6DT6A

Common

to

"

Use

SCOPE

Across

speaker voice

coil

CONNECT

VTVM

Use

SCOPE

Across

speaker voice

coil

CHANNEL

Any

non­interfering
channel

Connect

Any

non-

interfering

channel

to

chassis.

the

lead

from

center

arm of the

with

the

5)

to pin 1

(V8).

chassis.

across

speaker.

in

strongest

listen

to

sound.

output

at

to

chassis.

5) to pin 1
(V8).

chassis.

to

chassis.

CONNECT

SCOPE

Vert.

Amp. thru
demodulator probe
(Fig.

7) to pin 2

of

12AZ7

(V21).

side

to

chassis.

330O

resistor

Vert.

Amp. thru
demodulator
(Fig.

7) to pin 2

of

12AZ7

(V21).

side

to

chassis.

the

terminal

at

point

control.

control

ADJUST

A7

A8,

A9

signal

Change

this

second peak. Gradually

ADJUST

A7

AS,

A9

A10

ADJUST

All

(grid)

Low

and

probe

(grid)

Low

This

turned

to

Connect a jumper
Adjust
for 1 volt

coil

form.

Adjust
for 1 volt

separation.

in the

area.

bias

at

Connect a jumper

Adjust

I

volt

on

coil

form.

Adjust

on

VTVM.

Starting

a

peak. Continue turning

is

reached
Decrease
indicated
scope.
to

Fig.

Adjust

ADJUST

A12,

A13

4mfd

capacitor

A14

(cont)

<Ip

and

connecting a Imeg

control

is

maximum

for

maximum deflection.

oh

for

maximum deflection.

on

Repeat

Set

point

for

maximum deflection.

VTVM.

for

maximum deflection.

Remove

with

and

signal

by

Retouch

6.

for

MINIMUM

Adjust

equal

Remove
chassis.
to

end of

then used

signal.

from

VTVM.

Use

VTVM.

Peak with maximum
steps

volume control
<^>

to

zero.

decrease

from

Use

peak with

VTVM,

the

slug

fully

adjust

for

until

detector

jagged portions

A8 for

4001.

for

response

marker

in

series

clip

Adjust

Fig.

9.

Peak with

coil

form.

to

REMARKS

pin 7

(grid

Set

peak with slug

Set

13

and 14.
for

normal volume.

Adjust

A10

signal

REMARKS

pin 7

(grid

Set

slug

Set

diode probe

counterclockwise

clockwise

maximum

breaks

of the

symmetrical

REMARKS

indication

REMARKS

similar

height.

from

plate

lead between

A14 for

core

3} of V8 to

until

3) of V8 to

sine wave

(Pin

response

chassis.

generator

output

nearest

generator

output

core

clockwise

generator
nearest

generator

until a second peak

at

breakout

on

point

nearest

to

sound

chassis.

lor

top of

for 1

and

jumper.

adjust

this second peak.
out of

lock

on the
similar

scope.

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