Gte sylvania Rq4747 User manual

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SYLVANIA STEREO

HI-Fl

SUPPLEMENT 2 TO

BULLETIN: R74-3

FACTORY

PREPARED

TECHNICAL

SERVICE

DATA IIndex on

Page

22. /

SERVICE

PUBLICATIONS

DEPARTMENT

Entertainment Products Group

700

Ellicott

Street.

Batavia,

N.Y.

,._

,u

pp

!e

meot_

in

_

tr~u

_

ces

the R74-4 chassis,

_and

~odel

R04747. . .

..,R7

4-4

chassrs

1s

similar to the R74-J chass,s, with the addition of a

new

muting panel and

CD4

demodulator arcurts.

_,te

schematics

and parts lists for the R74-4 chassis are

given

in

this supplement.

END

CAP

-LEFT

HAND

74

-

36448·2

_

J

tl

, I

\

DIAL

BEZEL

74-34928-1

VENT

-CABINET

TOP

74-34773-1

COVER GLASS

74-34762-1

TUNER BEZEL

74-34763-5

KNOB -TUNING

74-34861-2

NUT

·

HEADPHONE

JAC

KMOUNTING

7

0-32649-1

TOGGLE SWITCH

74-34797-1 BALANCE

CONTROL.

74-34859-1

KNOB -BASS,

TREBLE

(INNER SHAFT)

.74-34862-1

NON-SKID PAD (4)

86-28719-5 KNOB -BASS,

TREBLE

(OUTER SHAFT}

74-34863-1

MODEL: RQ4747

CHASSIS: R74-4

IMPORTANT: Always use genuine Sylvania replacement parts and tubes.

-1.

KNOB-VOLUME

74-34861-1

END

CAP-

RIGHT

HAND

74-36448-1

PUSHBUTTON

74-34913-1

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C

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-

SUPP.

2 TO A74•3

EMENT

PARTS

LIST -

-

REPLAC

SC

HEMATIC

SERVICE

~ING

-

~

DESCRIPTION

fo~~~~TIC

~!~~I~~

-

OESCRlrT~

- h

,wise

specified)

CAPACITORS

(All

values

in

MFD,

unless

ot e

CAPACITORS

(CONTINUED)

·

csm

-

·.

·

~·

43

:Sj

24s-0

--

~·

1x1s:

·1

60

v-i

C2

C3

C4

cs

CB

C10

C14

C16

C18

C20

C22

C24

C26

C28

C30

C32

C34

C36

C38

C40

C42

C44

C46

C48

cso

C52

CS8

C63

C76

C78

CBO

C82

C84

C86

-C88

C94

C96

C98

C100

C102

C104

C106

C112

C114

C116

C118

C120

C122

C124

C128

C134

C\36

C\38

C\42

C\44

C146

C148

C302

C306

C308

C314

C316A

C316C

C318A

C318C

C320A

C320C

C322A

C322C

C324

C326

C344

C346

C402

42-34768-1

42-34941-1

42-1814&1

Mein Tuning

Gon

g

33or F,

zsr

33

0Pf

,

ZSP

33orF,

zsr

330PF.

zsr

10Pf,

NPO

18Pf,

NPO

.

01

, 100v

3.

3Pf

,

NPO

330Pf,

ZSP

3.3Pf ,

NPO

,01, 100V

.01, 100v

Trimme

r

.01,

100v

.01. 100v

.01

. 100v

33Pf, N150

.02.

100v

.02, 100v

,01, 100V

.

01

. 100v

,02, 100V

33Pf

.01, 100V

330Pf,

ZSP

820Pf,

ZSP

,01, 100V

Ceramic

Trimmer

.

01

, 100V

.01, t1l0V

10PF, NPo'

.01, 100V

100PF,

ZSP

.

05

,

sov

.05

,

SOV

.01, 100V

100PF,

ZSP

.OS

, 50V

330Pf,

ZSP

.01, 100V

4.

7PF

, N150

4700PF,

ZSU

.

05

,

SOV

.02, 100V

.01,

100V

15PF

.01, 100V

2.2PF,

NPO

.05,SOV

33PF, N150

.05,SOV

180PF

,

25P

560PF,

ZSP

270PF,

ZSP

.047

, 150V

100PF

,

ZSP

.0082

.

022

, 250V

.047, 150V

.039

.0068

.22,

150V

.039

.0068

.039

.22

, 150V

.01,

100V

.

01

,

100V

.01,

100V

220PF

,

25P

.1, 150V

,c500 j

,.

L,

~,3

::9

~ :h .:. ,oos,

1so

y_~

cs

oa ,1, 150v

••·•

.2.

e510 ,1,

160V

C512 ,1,

150V

CS34

,1,

150V

C540

.01

,

100V

C603

,01, 1

OOV

C606 ,047,

150V

C608 ,047, 150V

C610 820PF, 25P

C614 33PF, N\

50

C618 ,1,

150V

C620 .1, 150V

C622

1200PF, Z

SP

C624

560PF,

ZS

P

C625 .

01,

1

OOV

C627

.

01,

100V

C629 5.6PF

::632 10PF, NPO

C634 .01,

100V

C636 .

01,

1

oov

C638 330PF, 25P

C640 330PF, 25P

C642 .

01,

150V

C644 ,

01,

100V

ELECTROLYTIC CAPACITORS

(Values

are

shown

as

: MFD/Working

Voltage)

CS4

C60

C72

C74

C90

C92

C108

C132

C140

C150

C151

C301

C310

C312

C342

C514

C516

CS18

CS20

CS22

C524

C528

C530

C532

C536

C538

CS44

C560

C562

C602

C604

C612

C616

C626

C628

C630

41-32477-46

41

-32477-85

41-32477-85

41-32477-46

41-32477-

85

41

-32477-3

41

-32477-47

41

-

32477-86

41-32477-9

41-32477-33

41-23765-16

41-32477-9

41-32477-86

41-32477-85

41-363

86

-1

41-36386

·1

41

-

36386

-1

41

-

36386

-1

41

-

32477-67

41-32477-67

41-32477-95

41-32477-67

41-32477-

95

41-32477-67

41-23765-5

41-23762-54

41-32477-

34

41-23765

-

17

41-32477-86

41-23765-17

41

-

32477-50

41-32477-

51

5/25V

1/50V

1/SOV

5/25V

1/50V

10/15V

10/25V

2/50V

100/6V

10/15V

1/50V

100/6V

2/50V

1/SOV

5000/40V

500/35V

500/SOV

500/35V

500/SOV

500

/35V

500/35V

5/25V

100/15V

25/15V

2/50V

2/SOV

50/25V

100/2

5V

POLYSTYRENE CAPACITORS

C56

C64

C68

C70

C126

40-28121 ·1

40

-28121 ...

40-10285-13

40-10285-1J

40-10285-

50

10

OOOPF

•S

OV

2500PF • 50V

330PF . 1

25

V

330PF , 125V

390

rF

. 12

sv

SERVICE - _

--REPLACEMENTP

ARTS LIST (CONTINUED) -

DESCRIPTION

SCHE

MATIC

CODING SERVICE

f

l'IG

PART NO.

1s1ST

O

flS

(All

1/4W, Carbon, 5_

%,

unless otherwise specified) PART

NO

. DESCRIPTION

RESISTORS

(C~EDI

124

21

121

30

132

IM

11131

111aa

11140

11142

11144

Jl

141

111

48

37

-14576-5

37-1457&15

660 ohm

10K

3.

3K

1K

4.7K

270ohm

22K

10K

22K

330 ohm

1K

100 ohm

5.

6K

270 ohm

180 ohm

820

ohm

15K

330 ohm

390 ohm

16K

1K

1K Variable • FM Meter Zero

1.

5K

150 ohm

4.7K

330

ohm

Variable • Separati

on

220 ohm

3.

9K

3.

9K

470 ohm

100K

470ohm

100K

33K

22K

10K

2.

2K

100 ohm

56K

100K

330K

10K

120K

100K

120K

100K

56K

33K

1K

10K

22K

1K

150 ohm,

1r:m.

10%

1K

22K

82K

I .SK

560 ohm

10K

2,K

120K

4.7K

33 ohm

150K

33K

470

ohm

3.3K

10K

150K

100K

10K

R149

RISO

R152

R301

A304

A306

R308

R310

R312

R314

A315

R316·

R318

R320

R322

R324

A324A, C

R326

R402

R404

R502

A504

R506

R508

R512

R514

R516

R518

R520

R570

A572

R602

R604

R606

R607

A608

R609

A610

A612

R614

R616

R618

R620

R622

R624

R626

R628

R630

R632

R634

A636

R638A8/

CD

A638AC ·

R638BD

R639

R640

R642

R644

R646

R648

R650

R652

R654

R656

R658

R660

R662

R664

R668

R672

R684

RG86

R688

_R690

37

-3461

1-3

37..!2053-3

37-22053-3

37-34651-1

37-34908-2

37-34909-2

37-33717-6

36-34726-7

•

36

,-

34726-0

100K

18K

4.7K

100K

10K

IOK

120K

220 ohm

820 ohm

47K

(Ea

r

ly

Prod.I

4.7K

3.

6K

4,3K

3.

6K

7.

SK

4.3K

47K

SOK

Variable -

Four

Section

Volum

e

4.7K

3.3

meg.

1/2W, 10%

68ohm

68 ohm

330 ohm,

1W

, 10%

10

meg.

1/21'1

. 10%

3.

9K

2.

2K

220 ohm, 1W, 10%

220 chm, 1/'ZW, 10%

SK Var

ia

ble •

C04

Balan

ce

SK

Variable -

CD4

Balance

180K

33K

3.3K

5.

6K

10K

4.7K

100K

Var~ble

•

Four

S

e.:

:ion Ba

s.s

100K Va

riable•

Four Section Treble

15K

39K

10K

470K

3.

3K

15K

10

meg,

10%

33K

27K

3.3K

5.

6K

100K Vari

able

-Dual

Front/R

ear Bal.

100K

Variable•

L/R

Fr

ont

Balonce

100K Variable•

L/R

Re

ar Balance

100K

82K

10K

470

ohm

10K

1K

10K

3.

3K,

1/2W,

10%

820

ohm

270 ohm

~

~~:

Variuble - Bias

Adjust

\Dohm

3.3K,

1/2

1'1

. 1

0%

150 ohm

2.7 ohm, 1/21'1, 10

""

150

ohm

2.7 ohm, 112W. 1

0:':.

.

24

ohm.

ZW

, w,w

,27

ohm,

.:.v,

W/W

BOTTOM

FOIL

-----------------------7

----

G

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- -

~-

-

---rll'-

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..

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tr:"

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SCHEMATIC

DIAGRAM

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SYLVA~IA

TYPE

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PART

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(ALL

NUMIER

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13-343157-3

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.

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1S-3435-1. l'NI' ·

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·

FM

Otcillator.

13-34371~1-

NPN

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01110· l're

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13-34375-1

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13-3431&-1

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13-34381'1

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100-360

100-350

90-270

N/A

20CMOO

5eOOMIN,

30MIN,

90-270

80-200

10-150

SEE

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20MIN.

90-270

N/A

225-450

50-150

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3V

110mW

32V

4V

200mW

11V

4V

200mW

46V

4V

·.

IOOmW

45V

4V

500mW

30V

200mw

411V

4V

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10V

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70V

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700mW

12V

3V

250mW

40V

4V

2.1W

50V

4V

300mW

-

20V

B5V

N/A

110V

4V

500mW

NIA

25V

200mW

20V

10V

250mW

30V

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ID

U.

1uA

1,2,3

.29uA

3,4

,211uA

3,4

100nA

4,11,

11

100nA

4,11

N/A

7,8

.09uA

3,4

100nA

3.4

.

""A

9

•.

•

N/A

11

: 10, 11, 12

N/A

I,

10,

11

, 12

100nA

3

100JA 13

10uA

3,4.

14

100nA 1

100nA

4,

10

N/A

7,

11

N/A

7, 15

.26uA

3,4

100nA

3,4

; "

!~-:'

_,

·.

~-

,.

.•

BROWN

DDT

_. 100-160.

·RED DOT

..

160-210

ORANGE

DOT

200-260

YELLOW

DOT ·: · 250-310 0

~

Q 8 <'.---)

E 8 C

GREEN

.

OOT

_ · :

...

~

300-300

1 2 3 4 6

lJ

8

B C E

~

PLANE

9

e,

10

E B C

l•••I

SEATINg,/

PLANE

12

w

16

--

CABINET

PARTS

LIST

R04747

--

SERVICE

DESCRIPTION

PART

NO

.

DESCRIPTION

FM

Anitnn1

27-14926-2

Pushbutton

Gu

l

de

- 2 Button

Pushbu1ton

Guide

•6 Button

BEZEL

Spted

Clip•

Dial

Bezel

to

Escutcheon

Cowr

GI•

74-34762-1

Speed

Clip • Gleu to

Bezel

Dial

74-34928-1

Tuner

Knob•

Balance

Control

74-34859-1

. Knob•

B•

.

Treble

(lnlllf'Shift)

74-34862·1

CABINET

Knob·

81&1,

Trtbll

(Outer

Shah)

74-34863-1

End

Cap· Left Hind

Knob•

Top

Mitch

74-34797-1

End

Cap· Right

Hend

Knob-

Tuning

74

-

34861-2

Non-Sk

id

Pad,

Cabinet

Bottom

..Knob·

Volume

74-34861-1

Vent

-

Cabinet

Bottom

Nut

•

Halphont

.llek Mollntillg

70-32649

-1

Vent

-

Cabinet

Top

''Ulflblltton · ··

74-34913-1

-

12-

·•

SERVICE

PART

NO.

74.34929

.2

74-34929-1

70-34933-1

70-26679-1

74-34763-5

74-36448-2

-

--

74-38441

&i,2111N

,~.,.,.,

74-34771-1

SUPP,

2

TO

~74~

.

CD4PANEL--

CAPACITORS

-13-

-

C182

~~

=---C154

~

~~~

~~=-

-.i-C152

-

-~

C1198

·.

~~l-

e2•

-·

~ (

C248

-.-;.

C21M

<-;_

C278

C244

C264

C227

C224

C284

C260

C282

,,,_

---C258

C220

C256

254

C252

"1'14

C250

~

,

j)

' ~ -

:as

C262

. - ~

~

/ .r

•3:

°1

n: x ·

• - I

r

---

CD4 PANEL

-

..

~

~,

\

.! .

..

.

t

''.

..

~.

·:

I

.·

'.)

.

~

·~

.

\,f

,'

{

··1···

~

.

r

i ..

J ·,

't.~·

..

t

h,

(

',

~

'.

· ' l

. .. p /

~

\

:J

·• ,

.,

, .~

~

f ) '

:v,: \

/':

..-

~-,.

;•~

r_..

·.

,; · "·~ l

··

1,

. -

~

'

,.J:.-

:

I;!'

i

<?

.J'

'

-J

~

""

-

C

:t

~

!4

t

~t

~

tlll

+L

...

-

U<

-

SCHEMATIC

DIAQr.

. '

cooER)~

riAlltf

(CO,

oE

-=

·

-=--=--=--=-

··

-:_-:_-:_-_-_1----,---i

MU

1111

·

~------------l11:!<101=:---,._+------.•,oo---+-•~'"'.,ca,

t.n

h;

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IOOlc

rJ:4

♦

Y!

un

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UIOUT

T0U1TCH,

K"IUTKMI

CONTIIOl

uoo

t.H

Clll

.

ii.

11201

LZ<

UM

Ql4

INZ

J.

)I.

.47 !<IV 11«

IUOI

IIIIIHT

Qt

IN,UT

.17.

cuo

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LIOI

,...,

~I~

lU

♦

t.

n:

------------------

TOC04

IND.

L.t.11,

+

CIN

.~

CH4

.

m

IIZH

fflt

-18-

,

...

L

...

"2H

47K

S\Jl'P. 2 TO R74-3

GTE SYLVANIA RQ4747 User manual

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