Sony CDX-M850MP Service Manual ▷ View online
29
29
CDX-M850MP
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
C68
R145
C4
C39
IC3
X2
C59
C45
R144
C41
R146
C61
C56
IC4
C40
R147
R12
R14
R15
R10
CN1
R149
C113
R142
FB2
R143
C5
C8
C9
C10
C11
C14
C18
C21
C1
C27
C17
IC5
IC1
IC2
C43
R30
R29
R50
R51
CN3
R52
R53
R150
R151
R153
JR1
R64
R68
R69
R70
R71
R72
R74
R75
R78
R81
R82
R83
R84
R85
R86
R87
R88
R89
R93
R95
R96
R100
R102
R103
R109
R111
R116
R117
R118
R124
R126
R127
R128
R129
R131
R132
R133
R134
R135
R136
R148
JR12
JR13
JR15
FB3
X1
IC7
R119
R49
RB1
RB2
CN2
SW3
SW2
SW4
CN13
SW5
(Page 33)
30
30
CDX-M850MP
IC B/D
TP25
TP24
TP37
TP39
TP36
TP38
TP40
TP45
TP22
TP88
TP41
TP42
TP55
TP43
TP60
TP62
TP63
TP59
TP23
TP44
TP49
TP50
TP95
TP94
TP51
TP52
TP53
TP54
TP57
TP58
TP61
TP64
TP65
TP66
TP67
TP68
TP70
TP71
TP72
TP73
TP74
TP75
TP76
C3
C4
C9
C10
C11
C13
C15
C16
C17
C18
C19
C24
C25
C27
C35
C36
C38
C40
C41
C45
C51
C53
C55
C57
C60
C61
C62
C63
C69
C75
FB2
IC1
IC6
JR12
L4
R3
R8
R13
R26
R50
R51
R53
R54
R55
R64
R67
R68
R69
R70
R71
R72
R82
R83
R84
R85
R88
R89
R90
R91
R116
R148
R149
R152
R153
RB1
RB2
TP7
TP12
TP11
TP89
TP10
TP9
TP8
C8
R9
R29
R30
C1
C5
TP81
TP82
TP83
TP84
TP80
TP79
TP78
TP77
R48
R47
R46
R45
R81
R86
R87
R49
C20
C23
R97
R52
R92
R77
R76
R75
R95
R94
R93
JR13
R117
R118
C14
R5
C67
JR15
CN1
FB3
JR5
JR1
JR6
JR3
X1
CN13
CN3
SW4
M902
Q1
C68
C43
C54
R96
R78
R74
R73
L8
C65
C56
JR14
CN2
C6
C78
R150
R151
C29
C39
C34
C44
TP56
C81
R147
R145
R143
R146
R144
R142
R65
C58
C77
IC7
C59
L6
IC4
JR21
IC5
C79
R98
FB6
• Refer to page 27 for Waveforms.
4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 40 for IC Block Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
(Page 31)
(Page 31)
(Page 35)
31
31
CDX-M850MP
IC B/D
IC B/D
TP4
TP2
TP3
TP1
IC2
R10
R12
R15
R14
R121
R111
R113
R109
R102
R105
R131
R132
R114
R119
JR17
TP92
C21
C22
BP1
BP3
BP4
TP21
TP18
BP2
TP17
TP20
TP20
TP16
TP19
TP19
TP28
TP26
TP29
TP27
TP87
TP86
TP90
TP91
C112
C114
BP5
BP6
R136
R135
R134
R133
R130
TP33
TP32
TP30
TP31
TP15
MD14
M903
SW3
SW2
R100
R129
C30
R7
R103
R128
R127
R126
R104
R106
R154
R107
C70
IC12
R115
C111
C102
IC3
R124
C113
X2
SW5
• Refer to page 27 for Waveform.
4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 40 for IC Block Diagrams.
(Page 30)
(Page 30)
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
32
32
CDX-M850MP
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
C984
C982
C983
C981
R430
C439
R436
C438
R427
R432
C470
IC407
R434
IC410
R471
C475 R477
R473
R364
CNP909
IC502
IC401
C903
R346
X302
R350
R372
R373
R321
C319
C318
D828
D829
R921
D827
D826
R910
D831
D906
R914
C216
D305
R325
R206
R205
C601
R420
R204
D825
R421
C323
C208
C218
C809
C810
R112
Q904
C802
IC800
R324
C217
R369
C339
C336
R368
C342
C335
IC307
R318
Q305
D302
D303
IC306
C416
Q903
IC301
D904
R901
C219
R906
D909
R377
R922
C423
R920
R351
C429
C430
C528
Q902
R414
C525
R415
R417
C431
C527
C428
C526
R422
C421
R416
R338
R407
C426
C427
D903
R419
R425
C602
D108
R518
Q901
C520
R519
R929
C521
R335
IC902
C424
IC701
Q271
Q171
R184
C320
C288
R203
C322
R285
R275
R433
R243
R175
C417
Q
470
R429
R319
R174
R418
C278
R143
R431
R242
Q181
Q281
R185
R274
C178
R435
C142
C242
R142
R284
R915
R326
C188
C206
C310
D808
D810
D819
R904
Q907
C209
C207
JR301
JR302
R330
R320
R329
IC303
R301
C324
R380
Q380
C801
R472
D123
L901
IC903
R903
D920
D921
L800
T800
4-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 27 for Circuit Boards Location.
(Page 38)
(D101)
E-10
(D102)
E-10
(D103)
E-10
(D104)
E-11
(D105)
E-10
(D106)
C-9
D108
D-8
(D109)
D-10
(D110)
B-8
(D111)
D-8
(D112)
B-8
(D113)
C-8
(D114)
C-8
(D115)
C-8
(D116)
C-9
(D117)
C-9
(D118)
E-9
(D119)
E-9
(D120)
E-9
(D121)
E-9
(D122)
B-3
D123
E-9
D302
H-9
D303
H-10
D305
I-9
(D401)
E-6
(D403)
F-5
(D501)
E-2
(D802)
I-3
(D803)
I-3
(D804)
H-2
(D805)
H-2
(D806)
H-3
D808
J-7
D810
J-8
D819
J-7
(D820)
I-4
D825
J-7
D826
J-5
D827
J-7
D828
J-7
D829
J-7
D831
J-6
(D832)
I-9
(D843)
I-4
(D901)
F-8
(D902)
F-8
D903
F-8
D904
H-8
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
( ): SIDE B
(D905)
F-10
D906
G-7
(D907)
I-9
D909
D-8
D920
F-9
D921
G-9
(IC201)
B-6
IC301
F-9
(IC302)
H-9
IC303
H-8
IC306
H-10
IC307
I-10
(IC308)
I-10
IC401
F-3
IC407
D-4
IC410
E-3
IC502
F-2
IC701
F-8
IC800
H-5
IC902
F-9
IC903
G-6
(Q101)
E-10
(Q102)
F-10
(Q103)
F-9
Q171
C-4
Q181
C-3
Q271
C-5
Q281
C-4
Q305
J-9
(Q306)
H-10
(Q307)
G-10
Q380
I-9
(Q401)
F-6
(Q402)
E-5
(Q408)
E-3
Q470
D-3
(Q501)
D-2
(Q801)
I-4
(Q802)
I-4
Q901
F-9
Q902
E-9
Q903
F-9
Q904
F-9
Q907
D-8
(Q914)
F-11
(Q915)
F-11
(Q916)
E-11
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