Sony CDX-MP80 Service Manual ▷ View online
29
29
CDX-MP80
• Refer to page 25 for Waveform.
4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 38 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC12
TP53
TP54
C57
R89
R88
R92
C51
R86
R87
R81
R82
R83
R84
R85
C63
C65
C66
C59
R125
R111
R113
R115
R109
R130
SW2
SW3
C39
C112
TP39
C114
TP72
R127
R121
R124
R129
C101
R116
TP40
TP59
TP73
TP74
TP75
CN7
C61
D8
BP15
BP16
R91
R90
C54
TP58
TP57
R131
R102
R138
R144
R139
R140
R141
R142
R143
TP2
TP4
C79
R132
IC5
CN6
CN4
R122
R123
TP17
TP18
TP28
TP30
TP32
TP34
TP36
TP38
TP43
TP44
TP45
TP46
TP47
TP48
TP51
TP52
TP84
TP85
TP86
R69
R70
IC13
SW1
SW4
IC10
R36
C49
R119
C72
D2
D4
D7
D5
D6
R68
C89
R133
R134
R135
L6
L5
C56
TP35
TP37
TP13
TP76
TP77
TP78
TP79
TP80
TP81
TP82
TP83
R67
R137
R75
R120
R136
R117
C75
C42
C82
R105
R104
R152
C93
L4
C55
IC15
IC14
M3
C53
X2
IC11
IC4
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
(Page 34)
(Page 28)
30
30
CDX-MP80
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
FRONT PANEL
FLEXIBLE BOARD
FLEXIBLE BOARD
R548
R308
R380
R816
C359
R363
Q401
R103
IC411
D
804
R421
R330
C704
R306
R552
C125
C358
C365
C3
88
R110
C107
R137
R417
R
206
C210
R405
R134
R
818
R212
C111
C103
IC301
R
3
02
R216
C230
R215
D
806
R124
R546
R521
R385
C
350
C345
C702
R51
2
C232
R
358
R360
R111
C110
R372
R104
R102
R
128
R123
R706
C419
IC702
C124
Q
4
11
R339
R309
R
811
R805
R551
R313
C302
C
387
C150
D509
R364
R519
C307
C663
C654
R
708
R138
Q305
C
301
R312
R305
R8
09
Q
111
R335
C
801
C
51
0
IC202
Q
109
C349
C
364
R106
R107
C119
Q
202
Q402
R511
Q404
R
821
R
127
Q
201
D
30
4
D
303
D
302
C227
C
357
R667
IC653
C664
R804
R361
C213
R504
R357
R525
C310
C353
C348
Q110
R
520
C
3
37
C666
R
131
R113
C314
C224
C658
S1
RESET
R542
C513
C514
R
528
C512
R543
C505
IC305
C228
R547
C226
R517
R406
R
211
R307
D606
R204
R
109
R415
C123
C703
R
516
R
712
R
510
R550
D203
D
8
02
C386
R
513
C105
IC601
R208
R540
IC101
R
533
C21
2
C219
R509
C3
09
D503
R662
D506
R214
C21
4
C657
R
505
C306
D
202
R544
R716
C215
Q407
Q406
R820
R803
R651
R340
R
423
IC501
C
709
Q410
R304
IC502
IC652
R
717
R719
R
382
C385
R
301
R374
R659
R608
Q405
D
604
D605
R602
R661
C373
C120
C106
C108
R112
R515
R
42
5
R101
R116
R80
6
R
561
R718
C713
C412
D
104
Q309
D507
D
6
09
D504
D
502
D612
C208
D109
R420
R808
R419
Q117
D404
Q118
R
114
R35
6
C
384
IC302
R414
Q301
IC102
Q
302
Q303
Q108
Q304
R413
R326
R310
D508
R
320
CN604
IC307
C223
R
117
R
666
R422
R402
Q310
D
510
R
316
C315
Q116
Q
112
Q107
Q105
Q102
IC201
IC402
R
810
Q101
R817
L
201
R
819
C710
Q312
R
70
7
C344
Q
602
R
376
R418
R373
R813
R545
R416
R
725
C504
D
652
D407
R
129
R
201
R130
R
141
C402
C659
R371
C518
C417
C211
C502
C129
C366
R
133
C406
D406
D602
R
502
C401
C128
R
424
R553
C383
R140
Q5
30
R
377
D801
D
107
Q150
Q604
C530
R433
R344
CN401
C
533
C532
C53
1
C229
D150
C520
TH
501
C422
D151
R150
R311
C519
R807
L106
D409
R
343
R
3
32
R
348
C367
C321
C372
R352
R353
R362
R355
R365
R
354
IC303
C356
C322
C362
R346
R347
R351
R350
R349
IC304
C343
C335
R390
R388
R389
C55
IC310
D808
4-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 25 for Circuit Boards Location.
(Page 36)
(Page 27)
D104
I-6
D107
E-10
D109
F-10
D150
E-9
D151
E-10
D202
C-2
D203
C-2
D302
C-6
D303
C-7
D304
C-7
D404
D-8
D406
D-8
D407
D-8
D409
G-9
D502
H-8
D503
G-7
D504
H-8
D506
I-5
D507
I-5
D508
G-7
D509
G-7
D510
I-5
D602
E-8
D604
E-7
D605
E-8
D606
E-7
D609 G-6
D612
D612
G-6
D652
H-9
D801
I-3
D802
I-4
D804
I-4
D806
I-4
D808
D-6
IC101
F-10
IC102
E-10
IC201
G-3
IC202
F-2
IC301
E-5
IC302
E-5
IC303
D-5
IC304
D-4
IC305
E-4
IC307
D-3
IC310
F-5
IC402
F-7
IC411
I-5
IC501
H-7
IC502
I-5
IC601
F-7
IC652
H-9
IC653
I-9
IC702
H-3
Q101
F-10
Q102
F-10
Q105
E-9
Q107
G-9
Q108
G-8
Q109
I-5
Q110
F-8
Q111
F-9
Q112
I-6
Q116
E-10
Q117
G-10
Q118
G-11
Q150
E-10
Q201
D-2
Q202
G-2
Q301
C-4
Q302
C-4
Q303
C-3
Q304
C-4
Q305
C-3
Q309
D-7
Q310
D-7
Q312
E-7
Q401
D-8
Q402
D-8
Q404
D-8
Q405
E-7
Q406
E-7
Q407
E-7
Q410
G-5
Q411
G-6
Q530
H-5
Q602
E-7
Q604
E-8
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
31
31
CDX-MP80
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
US,Canadian Model
AEP,UK Model
R
527
R105
FB302
C394
R125
R428
R
4
10
R665
R341
R541
D106
R715
D102
Q203
C341
Q
501
C221
R317
C375
R
327
R329
C319
R501
R342
R222
R603
C127
L104
C517
C202
R
207
C509
C206
R217
C656
R126
C112
C
225
C220
C501
C516
R526
D
65
4
R
660
R399
C712
C395
C222
R210
C234
C396
R118
R
115
R
403
R401
C503
D651
FB301
R121
R122
C115
Q
601
C507
R384
Q409
C217
D204
D405
R
325
R324
C662
C667
FB303
D
307
D306
D
305
C392
R
218
R536
R
6
56
D803
C
511
R664
R203
R539
C506
R
314
R398
D205
C308
R523
R219
C329
C318
C323
Q603
R507
D601
R663
C346
R506
BP701
C
508
R503
C665
R522
C707
C661
R220
C205
R701
R727
C351
D501
R411
D607
D
301
R
391
C421
B
P6
01
R518
R714
R
394
D105
R607
R392
R601
C338
R
209
C411
C708
R426
R119
C118
R508
Q408
R
396
C320
D807
R815
R427
R409
R
397
C660
R322
R379
R202
C399
C397
Q103
C313
C104
R713
R
395
R657
R393
C420
R404
R514
L105
C381
R120
R814
R801
Q106
C130
D
308
R
605
C711
IC651
R
604
Q
502
R
108
R702
R213
R500
C705
IC701
C218
C380
C379
R6
06
C378
C377
C706
R
709
C376
C201
C415
R537
R802
L102
C602
D101
C363
D603
R338
D311
R722
R205
C393
IC654
R
315
C331
R432
IC401
R812
R585
C414
R383
D391
R
160
C160
D160
Q160
L400
R
345
R337
R
323
C671
C
673
C6
72
C670
D809
C117
L103
C515
C
403
CN304
C326
L403
C126
C317
C121
C209
C304
L100
C407
C207
C325
C382
C374
C332
CN201
C305
C354
C352
C371
TUX201
C701
CN303
C333
L701
X701
X501
CN601
TH
601
CN302
CN305
C109
C312
CN301
C316
TH
102
D
401
TH101
Q119
J651
C413
X503
C416
CN101
F901
C361
C231
C334
C328
C
N
602
C360
C303
C216
L402
C6
55
C336
L401
X201
L101
C101
L501
Q
113
C116
IC309
C113
C122
BZ501
C418
C
603
C342
C
327
C347
C
324
C410
S601
S602
D101
E-9
D102
F-9
D105
E-10
D106
E-10
D160
F-7
D204
G-3
D205
G-3
D301
C-6
D305
C-6
D306
C-6
D307
C-5
D308
C-5
D311
D-7
D391
D-2
D401
D-9
D405
D-8
D501
C-10
D601
D-10
D603
E-8
D607
E-7
D651
H-9
D654
H-9
D803
I-4
D807
I-3
D809
D-7
IC309
C-6
IC401
E-5
IC651
I-9
IC654
H-9
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
IC701
H-3
Q103
E-10
Q106
F-10
Q113
E-11
Q119
F-11
Q160
F-7
Q203
G-4
Q408
F-8
Q409
F-8
Q501
H-7
Q502
D-5
Q601
D-10
Q603
E-7
Ref. No.
Location
32
32
CDX-MP80
• Refer to page 25 for Waveform.
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 41 for IC Block Diagrams.
(Page 33)
(Page 34)
IC B/D
IC B/D
C209
C231
C303
C304
C325
C360
D391
IC301
IC302
IC305
IC310
R204
R305
R306
R307
R308
R309
R310
R313
R316
R330
R335
R339
R340
R356
R357
R358
R358
R360
R361
R363
R364
R371
R372
R373
R374
R383
R384
R390
R396
R388
R389
C201
R201
R209
R205
FB301
FB302
C399
FB303
R392
R394
C392
C396
R398
C394
C395
R399
R385
C393
C349
C350
C353
C358
C359
C364
C345
C363
C331
C383
C306
C307
C335
C384
C376
C377
C378
C379
C380
Q201
R202
R203
R222
C205
C206
C375
C207
C208
D203
D202
C365
R376
C315
C333
C332
C338
C338
C341
C55
R380
CN303
CN201
TUX201
C314
L201
C202
C343
C210
C211
R206
C213
R210
C218
R212
R211
C212
IC201
R208
C214
C215
R214
C223
D204
Q202
R207
Q203
D205
R213
C222
R217
C216
X201
R218
C217
C225
R216
C220
C221
C219
R219
R215
C224
IC202
R220
C226
C228
C229
C230
C227
C232
C397
C234
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
<
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