THOMSON crkd2573 Service Manual 013

13

CRKD2573

14 First issue 05 / 04

MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - GRUNDPLATTE SCHALTBILD - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA
PRINCIPAL - (TAPE PART)

MAIN

BIAS OSC

R301

56K

1/16W

R302

TP60

TP60G

ERASE HEAD

REC/PLAYBACK

47K
1/16W

C303

68nF

50V

P300

Q301

KTC3203Y

C304

C301

33nF
50V

C302

3n3F

50V

1234567

1uF

50V

L301

220uH

1234567

N300

PLAYBACK SECTION

L303

470uH

L302

470uH

JP301

R304

100

1/16W

Q346R

KTC3875GR

0

Q346L

KTC3875GR

C314L

3n3F

50V

C314R

3n3F

50V

R306

100

1/16W

0.7

R301L

12k

1/16W

C301L

3.3n
50V

R302L

68k

1/16W

R303L

220R

1/16W

R306L

1/16W

C303L

100uF

10V

1k

0

RECORDING SECTION

1/16W

220R

R303R

8 9 10 11 12 13 14

00

3.3n
50V

12k

C310L

100UF

(1.2)

R309L

1.2K

1/16W

10V

R302R

C309L

C301R

R301R

1/16W

R310L

8.2R
1/16W

(0) (0)

IC301

UTC7312

8 9 10 11 12 13 14

(0) (1.2)

C310R

10V

100U

R309R

R310R

8.2R

1/16W

1.2K

1/16W

68k

1/16W

C311L

100N 50V

R308L

33K

1/16W

220P

50V

-

AMP CH1

+

+

AMP CH2

-

C309R

220P

50V

C307R

C311R

R308R

33K

1/16W

10U
50V

100N

50V

C303R

100uF

10V

R306R

1K

1/16W

C307L

10U
50V

(3.5)
((0.7))

R311L

ALC

((0.4))

0

R311R

5.6K

1/16W

AGND AGND

(0.3)

5.6K

1/16W

(7)

R312R

5.6K

R307L

1/16W

(0.2)
((1.2))

RIPPLE FILTER

C312

47uF

1/16W

47K

-

AMP CH1

+

+

-

R307R

47K

1/16W

1234567

10V

AMP CH2

C305R

220P
50V

C308L

C304L

10u
50V

C305L

220p

50V

((3.5))

C308R

R312L

5.6K

1/16W

((0.4))

C313

100U

10V

50V

1u

50V

1U

(7)

(0.3)
((3.4))

C304R
10U

50V

RECORD_R

C306L

47nF
50V

0

ALC

C306R
47nF

50V

TAPE_L

JR302

Q333

KTC1504GR

6.3

0

RIPPLE FILTER

7

RECORD_L

R305

390K

1/16W

0

1234567

(0)
((7))

C305

47uF
10V

7

TAPE_R

R359

10K
1/16W

R360

1K

1/16W

C300

100U

10V

R300

1/16W

C306

47uf
50V

IC300

UTC7312

56R

RESERVED

0

2

COL

EMIT

3

0

Q350

RN1408

5.8

BASE

JR301

1

Q330

KTC1504GR

R331

2

COL

EMIT

3

R361

2

COL

EMIT

3

R330

10k

1/16W

2.2k

1/16W

Q331

RN1408

1/16W

2.2k

Q334

RN1408

FOR LOGIC DECK

1

BASE

0

1

BASE

Q332

KTC1504GR

R351

1/16W

R357

10K 1/16W

R356

10K

1/16W

10k

R365

2.2k

1/16W

KTC3875GR

0

KTC3875GR

0

Q353

Q352

R353

10k

1/16W

R354

1k

1/16W

Q349

KTC3875GR

R363

2.2k

1/16W

0

R364

2.2k
1/16W

C307

10uF

10V

R324

10K

1/16W

0

FOR MECH DECK

R325

10K
1/16W

11.4

KTC3875GR

R326

4.7K

1/16W

Q327

R322

1/16W
10K

R323

560

1/4W

REC_SYNCHRO/REC

TAPE_R

TAPE_L

RECORD_R

RECORD_L

7V

Q328

KTA1271

(0.3) only

((3.5)) only

0.7 /

TAP E

RECORD

N302

123456

12V

TAPE_MUTE/MOTOR_CONTROL

AGND

MGND

P302

REC_SYNCHRO/REC

TAPE_MUTE

POS

+

123456

MOTOR LOGIC DECK

NEG