Read Sony CDX-M20 Service Manual online
CDX-M20
CDX-M20
16
16
4-1. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
Note 1: When SERVO board is defective, exchange
the complete mounted board.
Note 2: When SENSOR board is defective, exchange
the MECHANICAL BLOCK ASSY (X).
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
KEY BOARD
CN901
A
IC401
IC501
IC301
IC403
IC802
IC801
IC601
R
L
TO
CN301
L302
A14
B14
1
37
2
36
1
1
9
8
16
19
18
17
2
3
4
5
6
7
8 9 10
9
1
14
1
15
2
1
40
20
21
1
100
80
81
50
51
30
31
JW370
R401
JW371
JW372
R402
R403
JC517
JW374
R404
JW375
R405
JW376
R406
R407
JW377
R408
JW378
FB801
R409
JW379
FB802
FB803
FB804
R600
JW380
R410
R411
R412
R413
JC335
R416
R417
R418
R801
R419
R802
R803 R804
R805
R806
R807
R420
R808
R809
R422
R425
JC346
R426
R810
R811
R812
R813
R814
R815
R816
R817
R818
R819
JC356
JC357
C401
C402
JL001
JL002
C406
C407
JL003
JL004
C408
JC364
C409
JL005
JL006
JL007
JL008
JL009
C412
C413
JL010
C414
JL011
C415
JL012
C416
JL013
C417
JL014
JL015
JL016
JL017
C803
JL018
C804
JL019
C805
C806
C807
C808
C422
C423
JL020
C424
JL021
JL022
C426
JL023
B1
A1
C427
JL024
C428
JL025
C429
JL026
JL027
JL028
JL029
C430
C432
JL030
C434
JL031
JL032
JL033
JL034
JL035
C439
JL036
JL037
JL038
JL039
JW001
C2
JW002
JL040
C444
JL041
C445
JL042
C446
JL043
JL044
JW201
JL045
JW202
JL046
JL047
JL048
JL049
JW207
JW208
JW209
JL050
JW21
1
Q301
JW212
JW213
JW214
JW215
JW216
JW217
JW219
L101
D401
JW221
JW223
JW225
JW227
JW230
JW231
D801
JW232
D802
JW234
JW235
D805
JW237
D808
IC402
JW240
JW243
JW244
JW245
JW246
JW248
JW250
JW251
JW252
JW253
JW254
JW255
JW256
JW257
JW258
JW259
JW260
JW261
JW262
JW265
JW266
JW267
JW268
JW269
JW270
R301
JW271
JW272
R302
JW273
R303
R304
JW275
R305
JW276
R306
JW277
JW241
JW279
FB702
FB703
R500
R501
FB705
R502
R503
R504
JW280
JW281
R505
CN101
JW282
JW283
R508
JW284
R509
JW285
L1
JW286
JW288
R701
R703
R510
R511
CN301
R512
R706
R707
R708
JW291
JW292
R322
JW293
R323
R324
R519
JW296
JW298
JW299
CN501
R521
R601
R522
R602
C101
C102
C103
R527
C104
R528
CN701
R529
C106
R530
R532
C303
R533
R534
C305
R535
C306
R536
C307
C308
R539
CL003
CL004
CL005
C501
C502
C503
C504
R540
R541
C312
CAM001
C313
R543
CAM002
R544
C314
C508
F001
CAM002
C315
R545
C509
F002
R546
C317
C318
C701
C319
C703
C704
C510
X501
C705
C511
X502
C706
C707
C513
C514
C321
C515
C516
C323
C325
C519
C327
R559
C713
C714
C520
R560
C524
C330
R561
C525
C331
R562
C526
C333
C527
C335
R566
C337
R568
C338
C339
R1
R2
R3
R570
R571
R572
R576
R577
CL042
CL043
CL044
CL044
CL045
CL046
CL047
CL048
CL046
CL047
CL048
R581
CL049
R582
R583
JW300
R584
JW301
D101
R585
JW302
R586
D102
JW303
R587
JW304
R588
CL050
JW305
R589
CL051
D105
JW307
JW308
D108
JW309
CL056
CL057
R590
CL058
R591
CL059
R592
R593
JW310
R594
D305
JW31
1
R595
Q401
JW312
R596
Q402
R597
JW313
Q403
CL060
JW314
R598
Q404
CL061
JW315
Q405
CL062
Q406
CL063
JW317
Q407
CL064
JW318
Q408
CL065
D501
TU1
TUX-DSP02
(FM/AM TUNER UNIT)
D311
D312
JW320
JW322
JW323
JW325
JW326
L402
JW328
JW329
Q801
Q802
Q803
JW332
JW333
JW334
JW336
JW337
JW340
JW341
JW342
JW343
JW344
JW345
REM OUT MAX 0.4A
JC103
JW348
JW349
JC106
JC107
JW350
JW351
JW352
JW353
JW354
JW355
JW356
JW357
JW358
JW359
JC1
16
JC118
JC501
JC502
JW360
JW361
FB401
FB402
FB403
JC507
JC121
JW365
JW366
JW367
JW369
JC128
CN702
(SIRIUSXM IN)
FU301
MAIN BOARD
1-884-596-
(11)
11
J801
(REMOTE IN)
J001
(ANTENNA IN)
J401
AUDIO OUT
REAR/SUB
8
1
1
3
4
5
1
2
2
3
4
1
4 5
8
1
3
4
5
5
(CHASSIS)
(CHASSIS)
(CHASSIS)
K
A
K A
K
A
K
A
K
A
E
E
E
1
4
8
5
C411
C521
E
E
E
A
K
E
E E
E
E
E
(FRONT VIEW)
1
2
3
8
9 10
4
5
6
7
CD MECHANISM
DECK BLOCK
(MG-101X-188)
SERVO
BOARD
BOARD
SENSOR
BOARD
OPTICAL
PICK-UP
BLOCK
(DAX-25A)
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