Service manual
CD-C422/C422C/C2800/C2800C
– 18 –
A
B
C
D
E
F
G
H
1
23456
Figure 18 WIRING SIDE OF P.W.BOARD (1/4)
• The numbers 1 to 12 are waveform numbers shown in page 14.
AM LOOP
ANTENNA
FM
ANTENNA
123
JK961
HEADPHONES
HEADPHONE PWB-A4
1
5
CNS902
R981
R982
1
R536
C555
C561
R501
LUG961
R568
Q512
Q566
R584
Q565
Q576
R578
R538
C534
C532
C540
C556
C562
R563
C564
C558
C942
C946
IC942
IC941
321 3
B
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
E
C
B
3
2
1
C
E
21
C944
C947
C943
C945
Q941
C973
C969
C970
LUG962
R971
C974
C968
C966
C979
C964
C967
C963
R973
R972
C980
C976
C965
SO961
SPEAKER TERMINAL
FRONT
SPEAKERS
5.4OHMS MIN.
RIGHT
LEFT
RIGHT
RIGHT
LEFT
LEFT
REAR
SPEAKERS
16 OHMS MIN.
VIDEO/AUX
R975
CNS902
1
5
C975
C941
C948
C949
C531
C539
C565
C563
CNP501
Q516
Q515
R535
R519
C5
8
C533
Q575
R575
C583
R537
C544
R577
C557
C403
D81
C404
R403
R404
C454
C424
C426
C428
C430
C432
C991
C992
R431
D401
C452
C446
C448
C449
C450
C451
C445
C447
R421
IC961
Q513
Q514
CNP502
1
24
510
2015
12
13
123
234567
Q511
IC501
CNP901
1234567
X352
R41
IC2
IC1
C351
E
C
B
1
2
3
B
C
E
3
2
1
1
2
3
3
2
1
R390
C307
Q351
L317
D381
CF351
T301
Q301
C354
C357
ZD351
IC302
R357
R358
T382
R314
T302
VD302
C396
C393
C395
C394
CF301
R396
R395
R393
R387
IC301
VD331
VD332
R14
C43
C67
C408
R408
C416
C422
R402
R401
C421
C429
C431
SO401
C401
C402
C427
C425
C423
C415
C455
C50
R406
R407
R356
R354
R355
R427
R426
R425
R405
C406
C407
C45
C41
C42
C59
C34
C35
C37
R18
C52
L1
Q93
R96
Q91
R28
C11
C19
C17
C18
C44
C13
C8
C9
C6
C7
C2
C405
C3
C5
Q1
C24
C39
C40
L301
L312
D301
VD301
CNP301
R312
VD303
3
2
1
C333
C391
T381
C330
T333
C385
C381
C386
C387
VR381
C392
Q381
C388
R394
R386
TP302
TP303
R39
R40
R29
XL1
T331
SHASSIS
GND
IC303
CNP1
CNP3
CNP2
CNP1
0
1
123456789
1011121314
23456789
54321
123456
1
2
0
253035
36
23456
56
7
7
8
89
10
CNS901
TO
POWER PWB
P20 1-B
CNS1CNS2
TO
CD MECHANISUM
P21 8-C-G
CNS3CNS1
1
5
10
12
15
20
22
1
5
10
13
1524
ECB
ECB
E
C
B
BC
321
MAIN PWB-A1
51015
TP301
R340
R342
R415
R417
C417
R413
C412
R414
R412
C441
C443
R416
R418
C418
R73
C69
R75
C70
R76
R74
R86
R88
R87
C53
R34
C32
R35
C31
R38
R60
C22
C57
1
5
10
15
20
25
30
35
45
55
60
64
48
49
40
32
33
16
17
1
5
10
15
20
25
30
35
45
55
60
64
48
49
40
32
33
16 17
R57
R56
R58
R45
R79
R46
R47
R72
R77
R71
R70
C55
C56
C54
R78
C92
C51
R82
R16
R32
R33
C30
R37
R36
C33
R41
R9
5
C95
R27
R61
C20
R30
R25
R23
R22
R21
C16
R19
C15
R20
C94
R31
C25
R17
C12
C14
R12
R15
R13
R11
R8
C10
R7
R9
R6
C4
R4
R5
R3
R2
C38
R1
C382
C309
R43
C1
R42
C456
R361
C350
C352
C353
C356
R389
R388
R353
R351
R352
C318
C311
C324
C312
R301
R323
R322
R315
C310
C306
C303
C305
C304
C308
C314
C302
C301
C319
R311
C315
R313
C313
R309
R341
R317
C316
C317
C334
C355
C390
C389
C332
C331
R343
C335
C336
C380
R380
C384
R381
C383
R382
R391
R384
R383
R385
IC401
IC5
R566
R540
R511
R513
R514
R512
R5
C514
C513
R520
C520
C504
R502
C519
C501
C502
R531
R533
C535
C543
C553
R553
R557
R561
C559
R562
R532
R534
C536
R542
C554
R554
R556
C560
R560
R558
R552
R969
C962
R962
R966
R961
C961
R965
R967
C453
R432
R420
C444
C442
R539
R551
R555
R559
R941
R411
C411
C503
R567
1
5
10
15
20
25
30
35
45
55
60
64
48
49
40
32
33
16
17
19 8