JVC TD-W254BK Service Manual Download Page 6

Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.

Dolby circuit & power circuit

Recording signal

Indicator signal

P.B & H.P signal (Deck B)

H

A

B

C

D

E

F

G

1

2

3

4

5

TD-W254BK

TD-W254BK

2-4

Note:/s/t/T235812BV.001
VDH2358-102BV_1/1

L1351

L2351

Q8352

R1356

R2356

R1354

R1355

R2251

R1251

IC825

Q8251

Q2251

Q901

C2251

R2252

R941

R2258

C2360

R2253

R2255

C2253

C2254

L2252

R2257

R2261

R2262

R2263

R2264

C2261

C2263

Q909

Q912

C900

IC901

IC901

Q903

C2264

S901

C2262

Q2262

Q1261

R2265

R2267

C2267

Q2252

Q905

R901

R921

C914

R902

Q1251

R1252

IC825

C1251

R1258

C941

R1253

R1255

C1253

C1254

P1

T901

P3

C930

L1252

R923

W1

R2266

R2270

R1257

Q1252

R1261

R1262

R1263

R1264

C1261

C1263

C1264

C1262

Q1262

Q2261

R1265

R1267

C1267

R1254

R2254

D910

C2252

C1252

R1270

R937

R933

C931

R908

C2355

C1355

Q1511

Q2511

Q8511

R1266

IC852

R1513

R2513

J8501

J8501

J8501

J8501

R2515

R1515

IC851

C8502

Q8501

Q8503

Q8504

Q8502

L1251

D908

R8504

C1256

L2251

C2256

R927

R928

Q908

Q907

C8501

Q8351

Q8353

R8354

Q8252

C2266

C2265

D8351

R8505

C1266

C1265

P1

Q913

F903

T901

P3

T901

R940

Q915

C930

F901

F902

W1

F901

F902

w1

R8353

C8351

C8352

R8352

R8351

R1351

R2351

R1353

C1360

C1358

C1357

C1359

C2358

C2357

C1354

R2353

C2359

C2354

R2354

R2355

VR226

C8251

R2259

R2256

C2257

C2258

D926

C927

C2255

C903

D923

D924

IC826

D905

C904

VR126

D904

D901

D902

D903

R912

R913

R914

R915

C910

C911

C908

C901

C902

R918

R917

C8252

IC835

R1357

C907

R2357

R1259

R1256

D907

D918

D922

D913

C923

C921

C920

C924

C917

C915

D906

CN901

C1257

D921

C1258

C1255

D909

C918

R8251

R938

R910

R929

R930

C2356

C1356

C1351

C2351

D8252

D917

R8253

C909

D914

R2517

R1517

R8513

R8514

C8513

R8515

R8516

D8513

R1511

R2511

D1511

D2511

R1502

R2502

R2514

R1514

R1512

R1501

R2501

R1503

R2503

R2512

C2511

C1511

R2516

R1516

C8512

C8511

C8503

R8503

C2501

R8502

C1501

C906

C930

R8355

R8252

R8501

R2273

R1273

R8255

D8253

R1504

R2504

D8514

FW901

FW901

D925

C928

CN901

CN901

QQR0879-001

QQR0879-001

22K

22K

100K

1.5K

4.7K

4.7K

QVP0004-203Z

BA15218N

33P

3.3K

470

180

4.7/25

33K

8.2K

0.33/50

1/50

4.7mH

15K

5.6K

6.8K

2.2K

2.2K

0.0082

0.0033

0.0047/250V

M5218AL

M5218AL

0.047

QSW0632-001

0.033

5.6K

1.8K

0.012

4.7

10

330/50

QVP0004-203Z

11ES2-T4

11ES2-T4

11ES2-T4

11ES2-T4

4.7

3.3K

BA15218N

33P

180

0.22/50

33K

8.2K

0.33/50

1/50

0.01

4.7mH

820

6.8K

1M

15K

5.6K

6.8K

2.2K

2.2K

0.0082

0.0033

0.047

0.033

5.6K

1.8K

0.012

12K

12K

11ES2-T4

11ES2-T4

0.0047

0.0047

1M

4.7

270

150P

180

0.0022

0.0022

6.8K

BA15218N

68K

68K

QNN0135-001

22

22

AN7384N

100/10

18mH

10k

150P/500

18mH

150P/500

4.7k

4.7k

100/10

15K

0.027

0.0068

10k

0.027

0.0068

T315mAL

6.8

0.01

T800mAL

T800mAL

T800mAL

T800mAL

47

470/10

470/10

47

18K

2.2K

2.2K

4.7K

4.7/25

0.1/50

0.0022

0.1/50

0.1/50

0.0022

4.7/25

4.7K

0.1/50

4.7/25

100K

1.5K

0.01

1M

1.5K

0.012

0.0068

MTZJ6.8B-T2

100/10

470P

2200/25

BU4066BC

MA700

2200/25

10K

10K

10K

10K

330/10

330/10

470/10

0.01

0.01

10K

10K

0.01

HA12142NT

560

100/25

560

1M

1.5K

MTZJ3.6A-T2

MTZJ12C-T2

MTZJ6.2B-T2

MTZJ24D-T2

330/10

470/16

100/16

100/10

100/25

220/50

QGD2501C1-05Z

0.012

0.0068

470P

10/25

1K

330

10K

390

390

0.0022

0.0022

4.7/25

4.7/25

22K

4.7/50

2.2K

2.2K

22K

10K

1/50

100

10K

2.7K

2.7K

22K

22K

27K

27K

10K

39K

39K

1k

1k

10K

10/25

10/25

1K

1K

0.01

0.01

1/50

10k

4.7/25

68K

4.7/25

0.01

0.01

18K

100K

10k

4.7K

4.7K

22K

18K

18K

47/25

QGD2501C1-05Z

QGD2501C1-05Z

STBY

VOLRETURN

NS

PBIN-L

5.6V

5V

-24V

RESET

RECMUTE

-7V

POFF

F1

METER-L

METER-R

PBIN-R

NRSW

DUB

NRREC

11V

LINEOUT-R

BMETAL

VOLSEND

RECSIG-R

DDRPSEL

7V

F2

RECSIG-L

MUTE

LINEOUT-L

GND

B70

DDRP

BCrO2

Summary of Contents for TD-W254BK

Page 1: ...TE PAUSE COUNTER RESET COUNTER RESET PHONES A B SYNCHRO DUBBING NORM SPEED HIGH SPEED PLAY PLAY MIN MAX 1 2 5 3 4 6 INPUT LEVEL MIN MAX 1 2 5 3 4 6 7 8 9 INPUT LEVEL TD W254 ON OFF DOUBLE CASSETTE DECK DOLBY B C NR HX PRO AUTO TAPE SELECTOR CONTINUOUS PLAY REVERSE MODE DOLBY B NR OFF C B B REC PLAYBACK AUTO REVERSE A PLAYBACK AUTO REVERSE STANDBY Please confirm this SCHEMATIC DIAGRAMS No 4363BSCH ...

Page 2: ...200107 VICTOR COMPANY OF JAPAN LIMITED PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan No 4363B TD W254BK ...

Page 3: ... HEADPHONES IC852 LEVEL METER AMP J8601 H P JACK LINE OUT L R IC835 DOLBY NR REC OUT R REC OUT L PB IN R PB IN L 12 13 Q8171 PB O UT L REC IN L REC IN R PB OUT R IC818 PB SIGNAL SELECT A70 5 6 Q8172 B PB A PB IC811 7 3 PB HEAD AMP DECK A IC851 VOL CONTROL DD RP IC812 PB EQ SWITCH VCA VCA LINE IN DECK A PB HEAD VR111 A PB EQ ADJ L VR211 A PB EQ ADJ R DECK B REC PB HEAD VR116 B PB EQ ADJ L VR216 B P...

Page 4: ... M E M O TD W254BK 2 2 ...

Page 5: ...73 R8475 D8101 C8483 C2454 IC845 C2453 C2455 R1453 C1457 C2451 R2453 C1451 C1453 C1454 C1455 C2457 C8451 C8454 C8455 L1401 L2401 C8452 R8481 C8481 C8482 C8492 R8485 R8486 R8491 C8494 C8491 AN6557F QGF1205C1 06 QGF1205C1 20 QMS3533 V01 QVP0004 101Z 270K 15 AN6557F QVPA601 101AZ AN6557F UPC1330HA 270K 15 22k QVP0004 104Z QVP0004 104Z 0 01 0 012 0 012 6 8K 270K 15 AN6557F 22K BA15218N QNS0092 001 M50...

Page 6: ... R8516 D8513 R1511 R2511 D1511 D2511 R1502 R2502 R2514 R1514 R1512 R1501 R2501 R1503 R2503 R2512 C2511 C1511 R2516 R1516 C8512 C8511 C8503 R8503 C2501 R8502 C1501 C906 C930 R8355 R8252 R8501 R2273 R1273 R8255 D8253 R1504 R2504 D8514 FW901 FW901 D925 C928 CN901 CN901 QQR0879 001 QQR0879 001 22K 22K 100K 1 5K 4 7K 4 7K QVP0004 203Z BA15218N 33P 3 3K 470 180 4 7 25 33K 8 2K 0 33 50 1 50 4 7mH 15K 5 6...

Page 7: ...2 Q741 Q742 R750 R745 C731 QGB1219K1 08S QGB1219K1 08S DN6851A QGF10205F1 06 DN6851A QGB1219J1 15S QGB1219J1 15S QGB1219J1 08S QGF1205F1 20 QGB1219K1 15S QGB1219K1 15S QGB1219J1 08S MB88514B 1730T 1K 1 8K 1 8K 2 7K 2 2K 1K 1 2K 2 7K 4 7K QGB2012J1 06 QGG2002M2 06 QSS7A23 V03 QSS7A23 V03 18K 2 7K SLR 56VC T12 150 6 8K 6 8K 1 2K 1K 1 8K QVGA12B V06 1K QVP0077 203Z 220 QVP0077 103Z 22K 22K 22K 22K 10...

Page 8: ...908 R910 R912 R913 R914 R915 R917 R918 R921 R923 R927 R928 R929 R930 R931 R933 R937 R938 R940 R941 R1101 R1102 R1104 R1105 R1106 R1107 R1108 R1109 R1110 R1111 R1152 R1154 R1155 R1158 R1159 R1160 R1161 R1165 R1251 R1252 R1253 R1254 R1255 R1256 R1257 R1258 R1259 C2259 R1261 R1262 R1263 R1264 R1265 R1267 R1270 R1271 R1272 R1273 R1351 R1353 R1354 R1355 R1356 R1357 R1451 R1452 R1453 R1501 R1502 R1503 R...

Page 9: ...R673 R672 VR701 VR702 VR703 VR704 X701 B7101 C706 C705 W701 C703 C734 W703 DI701 R671 R670 R668 R667 R658 R669 R659 R666 R660 R661 R662 R663 R664 R665 R651 R655 R652 R654 R656 R657 R653 C733 R715 R717 R718 R716 C704 W702 R719 8 1 15 1 B E B B E E 1 20 B 33 35 40 45 50 60 1 5 10 15 20 25 30 32 B E E B B E B B HS B NS SPEEDADJ E B 1 1 9 9 8 1 1 15 E B B E 10 15 20 25 31 35 B E E B 41 1 E B E B E E E...

Page 10: ...ARTS LIST All printed circuit boards and its assemblies are not available as service parts Contents Electrical parts list Block No 01 02 TD W254BK 3 2 3 7 Area suffix J C EN U U S A Canada Northern Europe Other Areas ...

Page 11: ...EM 123Z C CAPA I M C1351 QENC1EM 475Z NP E CAPA I M 4 7MF 20 25V C1354 QENC1EM 475Z NP E CAPA I M 4 7MF 20 25V C1355 QFN31HJ 222Z M CAPACITOR 2200PF 5 50V C1356 QFN31HJ 222Z M CAPACITOR 2200PF 5 50V C1357 QFN31HJ 222Z M CAPACITOR 2200PF 5 50V C1358 QETN1HM 104Z 05CAPACITOR 10MF 20 50V C1359 QETN1HM 104Z 05CAPACITOR 10MF 20 50V C1360 QENC1EM 475Z NP E CAPA I M 4 7MF 20 25V C1451 QFP32AJ 561Z PP CAP...

Page 12: ...E IM D 917 1SS133 T2 SI DIODE IM D 918 MTZJ12C T2 ZENER DIODE D 921 1SS133 T2 SI DIODE IM D 922 MTZJ6 2B T2 ZENER DIODE D 923 1SS133 T2 SI DIODE IM D 924 1SS133 T2 SI DIODE IM D 925 1SS133 T2 SI DIODE IM D 926 MTZJ6 8B T2 ZENER DIODE D1511 1SS133 T2 SI DIODE IM D2511 1SS133 T2 SI DIODE IM D8101 1SS133 T2 SI DIODE D8252 1SS133 T2 SI DIODE IM D8253 1SS133 T2 SI DIODE IM D8351 1SS133 T2 SI DIODE IM D...

Page 13: ...QRE141J 222Y C RESISTOR 2 2K 5 1 4W R1264 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R1265 QRE141J 562Y C RESISTOR 5 6K 5 1 4W R1266 QRE141J 682Y C RESISTOR 6 8K 5 1 4W R1267 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R1270 QRE141J 105Y C RESISTOR 1 0M 5 1 4W R1273 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R1351 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R1352 QRE141J 103Y C RESISTOR 10K 5 1 4W R1353 QRE141J 472Y C RESISTOR...

Page 14: ...W R8351 QRE141J 183Y C RESISTOR 18K 5 1 4W R8352 QRJ146J 470X UNF C RES I M A 47 5 1 4W R8353 QRJ146J 470X UNF C RES I M A 47 5 1 4W R8354 QRE141J 153Y C RESISTOR 15K 5 1 4W R8355 QRE141J 183Y C RESISTOR 18K 5 1 4W R8451 QRE141J 472Y C RESISTOR 4 7K 5 1 4W R8452 QRE141J 362Y C RESISTOR 3 6K 5 1 4W R8453 QRE141J 302Y C RESISTOR 3 0K 5 1 4W R8471 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R8472 QRE141J 223...

Page 15: ... 604 QRE141J 273Y C RESISTOR 27K 5 1 4W R 605 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R 606 QRE141J 122Y C RESISTOR 1 2K 5 1 4W R 607 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R 608 QRE141J 272Y C RESISTOR 2 7K 5 1 4W R 609 QRE141J 103Y C RESISTOR 10K 5 1 4W R 610 QRE141J 103Y C RESISTOR 10K 5 1 4W R 621 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R 622 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R 623 QRE141J 272Y C RESIS...

Page 16: ... QRE141J 101Y C RESISTOR 100 5 1 4W R 771 QRE141J 101Y C RESISTOR 100 5 1 4W R 772 QRE141J 101Y C RESISTOR 100 5 1 4W R 773 QRE141J 101Y C RESISTOR 100 5 1 4W R 774 QRE141J 101Y C RESISTOR 100 5 1 4W R 775 QRE141J 101Y C RESISTOR 100 5 1 4W R 780 QRE141J 223Y C RESISTOR 22K 5 1 4W R 781 QRE141J 223Y C RESISTOR 22K 5 1 4W R 782 QRE141J 223Y C RESISTOR 22K 5 1 4W R 783 QRE141J 223Y C RESISTOR 22K 5 ...

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