JVC TD-W254BK Service Manual Download Page 9

A

B

C

D

E

F

G

1

2

3

4

5

2-7

TD-W254BK

Sub board

Mechanism control board

Key switch for deck B

Standby indicator board

Head phone jack board

Key switch board for deck A

 Note:/d3/t/vmw1437/002/1437

C701

C702

C731

C732

CN701

CN702

CN711

CN712

CN721

CN722

D701

D702

D703

D704

D705

D706

D707

D708

D709

D710

D711

D712

D713

D715

D716

D717

D718

D719

D720

D721

D722

D723

D724

D741

IC701

IC731

IC732

IC733

IC734

Q701

Q702

Q703

Q704

Q705

Q706

Q707

Q708

Q709

Q710

Q711

Q712

Q740

Q741

Q742

Q743

Q744

Q745

Q751

Q752

R701

R702

R703

R704

R705

R706

R707

R708

R709

R710

R711

R712

R731

R732

R733

R734

R735

R736

R740

R741

R742

R743

R745

R746
R747

R748

R749

R750

R751

R752

R753
R754

R755

R756

R761

R762

R764

R765

R766

R767

R768

R769

R770

R771

R772

R773

R774

R775

R780

R781

R782

R783

R784

R785

R786

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

B

B

E

A.HS

A.NS

1

1

STANDBYLEDPWB

6

1

E

E

B

E

B

55

64

T01

HIGHSPEED
TESTPOINT

MICOMPWB

9

9

C1601

C2601

CN601

CN602

CN603

CN604

CN862

J8601

R605

R606

R607

R608

R609

R610

R623

R624

R625

R626

S604

S605

S606

S607

S608

S623

S624

S625

S626

S627

VR601

VR&KEYSWPWB

H.P.JACKPWB

6

1

4

1

B.STOP

B.PLAY

B.REW

B.FF

B.COUNTER

RESET

A.FF

A.PLAY

A.REW

A.STOP

RESET

A.COUNTER

INPUTVR

1

6

1

6

5

1

CN613

CN614

R601

R603

R604

R621

R622

R627

R628

S601

S602

S603

S610

S621

S622

S628

S629

S630

4

1

1

6

A.DIR

POWER

HS.DUB

NS.DUB

B.DIR

B.PAUSE

B.REC

A.KEYSWPWB

B.KEYSWPWB

REV.MODESW

O

U

I

NRSW

C

B

OFF

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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