Sony CDX-MP50 Service Manual ▷ View online
25
25
CDX-MP50
• Refer to page 21 for Waveform.
3-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 32 for IC Block Diagrams.
(Page 24)
(Page 24)
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
TP16
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
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
26
26
CDX-MP50
• Refer to page 18 for Circuit Boards Location.
3-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 28 for Semiconductor Location.
(Page 23)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
JW201
JW202
JW204
JW208
JW203
JW207
JW205
JW206
C802
JR116
FMB5
FMB6
JR602
JR904
JR807
JR803
JR806
JR115
JR405
C916
IC701
R822
C822
C825
C405
R417
C203
Q907
C716
C506
C812
R502
R908
C416
R413
R414
R416
C421
D805
R103
IC902
Q922
C718
D925
Q923
R104
R930
Q917
Q901
FB701
Q801
JR403
D921
R706
R805
Q909
D804
D906
Q914
Q916
C918
Q911
Q403
Q401
Q402
Q904
R870
R843
C207
L702
R412
FB801
R819
JR805
C425
C417
R101
R816
R814
R813
R833
R835
R925
C426
R827
R806
C826
C211
C419
R817
JR401
R708
Q910
C702
R410
Q920
C816
R202
R823
R111
C427
C109
R836
C106
C409
C420
IC401
Q918
C803
IC801
R705
R867
C424
D814
R707
R821
R934
D927
R911
C809
R409
Q908
C810
C808
R505
R923
R203
R204
C805
C204
C205
Q802
D816
R901
C703
R418
C922
R812
D810
C815
C407
R419
R415
L704
R907
R832
R906
C408
R102
C821
C406
R807
C717
Q404
D806
R831
R702
D916
R915
C418
D817
R866
Q915
D812
Q805
R868
C705
Q803
R407
C823
IC802
D809
Q902
L701
R825
C814
R420
D912
R910
Q905
R909
R932
C807
C719
R905
R201
R815
D815
R829
D808
R904
R824
C629
C813
R818
C704
C202
R408
D907
R112
C505
L703
R406
IC803
R914
JR402
D918
R811
Q903
D818
JR906
R820
D819
Q921
Q806
D813
D802
Q919
C920
Q913
JR801
C206
D811
C811
C415
R830
Q804
C818
Q924
R826
R834
D801
C827
D920
C210
C429
C428
R903
D923
R809
R810
R808
JW143
C910
JW128
JW21
D910
JW125
C215
JW132
JW89
JW134
C208
JW12
IC501
CNP901
JW115
L900
D903
C402
C507
JW53
TH901
C901
JW110
JW20
R926
CNJ801
JW69
R804
JW86
JW59
JW91
TH900
JW159
X801
JW18
JW14
R922
CNP701
JW26
JW24
C701
C413
CNP801
C403
JW57
JW137
JW17
Q912
JW101
C907
R802
JW87
JW140
JW38
R913
C404
JW68
D915
JW84
JW123
JW107
TUX501
JW97
JW121
JW200
C804
JW55
JW35
JW2
JW9
JW127
C412
JW131
JW1
D926
S802
Q906
JW71
C401
PJ601
JW85
JW7
JW67
JW130
X802
JW124
JW15
JW111
D909
JW151
JW6
JW118
JW116
JW82
JW78
JW83
JW106
JW11
JW54
C713
JW135
JW81
JW13
D904
D901
JW133
R402
JW62
PJ401
R924
R411
R404
JW117
R405
JW95
JW74
R403
JW31
JW64
JW88
D911
R401
JW76
JW141
JW136
D917
R935
JW112
JW152
JW16
C917
JW22
C909
C714
JW28
JW103
JW51
C712
JW27
JW120
JW32
C806
JW44
S801
R918
JW42
JW23
JW39
C212
JW8
R828
D902
JW5
JW19
JW138
C209
JW49
JW45
C213
JW58
JW99
JW122
D919
JW33
JW29
JW41
JW98
JW158
R931
R801
JW4
D701
JW34
JW73
JW56
JW25
R927
JW190
JW191
JW75
JW72
JW114
JW100
JW37
JW80
D905
JW3
JW52
D908
JW46
JW66
JW90
JW40
JW48
JW129
JW70
JW173
JW109
JW50
JW160
JW30
JW168
JW65
CNP802
JW10
JW174
JW172
D807
JW150
C423
C411
JW139
JW142
JW102
JW61
JW36
JW79
JW108
C101
C201
JW126
C715
JW43
JW47
JW520
R837
C817
S803
C902
C905
JR909
(Page 29)
27
27
CDX-MP50
3-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 33 for IC Block Diagram.
(Page 28)
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
IC B/D
C901
C907
C909
C910
C917
D901
D902
D903
D904
D905
D906
D907
D908
D909
D910
D911
D912
D915
D918
D921
IC802
L704
PJ401
Q903
Q904
Q905
Q906
Q907
Q908
Q909
Q910
Q917
Q920
Q921
R406
R408
R410
R412
R414
R416
R417
R418
R419
R811
R901
R904
R905
R906
R909
R911
R923
R925
R930
R932
R934
IC501
C701
C717
C702
R202
R201
R101 R104
C505
C506
R505
D923
R405
R407
R409
R411
R203
R204
C203
C204
C205
C206
C411
C629
Q401
Q402
Q403
Q404
C207
C920
C918
R924
C202
C201
C101
C109
C106
C922
C814
C807
C806
C427
C426
C425
C424
C421
C420
C420
C419
C418
C418
C417
C416
C409
R931
R935
L900
C415
R103
R102
R102
R112
R404
R403
R401
R401
R402
C215
C212
IC401
C213
JW87
JW82
C507
PJ601
TUX501
C208 C209
Q911
Q901
R908
R502
C211
C210
C401
C402
C403
C404
JR401
C405
C406
C407
C408
C412
R420
Q922
R907
Q902
R913
R922
C429
C428
C413
R415
R413
R903
R910
C423
C817
F901
CNP801
D919
D917
JR806
JR807
D
916
JR115
TH901
JR116
R111
JR405
JR909
C905
C902
28
28
CDX-MP50
• Refer to page 21 for Waveforms.
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 32 for IC Block Diagram.
(Page
24)
(Page 27)
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
<
> : CD PLAY
IC B/D
C712
C714
C715
C804
CNP701
D701
D804
D807
D809
D810
D819
D925
D926
D927
IC701
IC803
L702
Q802
Q805
Q806
Q913
Q914
Q915
R702
R705
R706
R707
R801
R805
R812
R817
R818
R818
R819
R820
R823
R824
R825
R827
R835
R843
R866
R867
S801
R813
R814
R815
R815
C713
L701
R833
C803
C811
R829
R830
CNP802
R914
C826
C827
R836
R870
S802
D920
JR805
D802
C703
C719
D811
D812
D813
D814
D815
D816
D817
JW174
C704
C705
C718
L703
C916
R927
R926
C816
C825
R806
R807
CNJ801
R821
C822
R816
C809
C808
R868
R831
R828
Q924
Q923
R915
D808
D818
R822
C821
FB801
C818
R826
R708
Q916
Q912
C812
Q803
C823
Q918
Q919
CNP801
Q804
Q801
D805
D806
R804
C716
IC902
C815
X802
X801
JR906
R802
C805
C810
R834
R832
R832
C802
R918
C813
JR803
JR904
IC801
JR801
JR602
R808
R809
R810
TH900
D801
S803
R837
(Page 31)
Ref. No.
Location
D701
F-5
D801
G-9
D802
G-9
D804
D-9
D805
D-9
D806
D-9
D807
I-4
D808
G-8
D809
I-2
D810
G-8
D811
J-3
D812
J-2
D813
J-2
• Semiconductor Location
Ref. No.
Location
D814
J-3
D815
J-3
D816
I-2
D817
J-2
D818
G-8
D819
F-5
D901
C-6
D902
C-6
D903
C-6
D904
C-6
D905
C-5
D906
B-7
Ref. No.
Location
D907
B-7
D908
C-5
D909
C-9
D910
D-8
D911
C-8
D912
C-8
D915
D-6
D916
E-7
D917
G-10
D918
F-2
D919
E-2
D920
G-6
Ref. No.
Location
D921
D-5
D923
C-7
D925
G-9
D926
C-10
D927
E-7
IC401
E-3
IC501
B-5
IC701
F-7
IC801
H-7
IC802
I-10
IC803
F-9
Ref. No.
Location
IC902
F-4
Q401
C-4
Q402
C-3
Q403
C-3
Q404
C-4
Q801
H-9
Q802
F-9
Q803
H-8
Q804
F-9
Q805
G-9
Q806
F-9
Q901
D-6
Q902
D-6
Q903
E-7
Q904
D-5
Q905
D-5
Q906
F-10
Q907
G-9
Q908
F-10
Q909
D-9
Q910
E-9
Q911
F-2
Q912
C-10
Ref. No.
Location
Q913
E-8
Q914
E-7
Q915
G-9
Q916
E-7
Q917
E-9
Q918
G-10
Q919
H-10
Q920
E-10
Q921
F-10
Q922
F-8
Q923
D-5
Q924
D-4
Ref. No.
Location
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