Sony CDX-M730 Service Manual ▷ View online
37
37
CDX-M730
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 48 for IC Block Diagram.
(Page 38)
(Page 39)
(Page
36)
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
<
> : CD PLAY
IC B/D
C102
C201
C202
C429
C436
C437
C438
C440
C907
D402
D403
D901
D903
D
904
D906
D909
D
910
D912
D915
D919
D920
IC905
JR901
JR902
JR904
L904
PJ401
Q101
Q102
Q201
Q202
Q401
Q
461(2/2)
Q901
Q903
Q904
Q905
Q907
Q908
Q913
Q914
Q915
Q917
Q919
Q924
Q925
Q929
Q930
R101
R102
R201
R202
R441
R442
R448
R449
R902
R904
R906
R914
R
915
R
919
R920
R921
R932
R933
R934
R937
R938
R939
R943
R944
R948
R949
R953
R955
R957
R958
R911
JR905
JR906
R929
R922
R924
R927
R926
D930
TH802
TH803
C910
C
923
R947
R946
C924
R954
C960
C
917
C918
C903
C406
C428
C407
F901
R925
D405
D406
D407
D407
D408
D409
D410
D411
D412
R440
D413
C204
C203
C104
C103
R206
R205
R106
R105
R204
R203
R104
R103
C101
R935
C920
C461
C462
C106
C105
C205
C206
R918
R901
C
906
R903
R905
C911
R907
C908
C
909
R945
C914
C916
R961
D
916
C961
L903
C913
D
902
C912
R909
R908
R940
R910
L902
R960
R950
C929
C927
C905
C904
D905
D914
C902
C928
JR914
R913
Q
461(1/2)
C901
IC903
R928
R930
Q402
Q410
Q923
Q902
Q403
Q918
Q911
Q906
Q912
R923
C465
R447
R446
JR812
JR811
PJ402
L901
D
908
D907
IC901
D918
R465
C409
CNP901
CNP903
CNP904
R912
38
38
CDX-M730
• Refer to page 30 for Waveforms.
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 48 for IC Block Diagram.
(Page 39)
(Page 37)
(Page 31)
IC B/D
TP1
TP2
TP3
TP4
C703
C808
C809
C812
C818
C922
CNP701
D508
D802
D825
D826
D828
D921
D924
IC902
JR801
JR816
JR820
R527
R701
R703
R801
R802
R807
R809
R810
R810
R811
R814
R815
R816
R817
R824
R826
R827
R830
R831
R840
R850
R851
R857
R865
R870
R883
R895
R916
R917
R936
X801
X802
R862
R863
C704
C702
R521
R842
R838
R820
R825
C820
C801
C815
C816
C915
C707
C807
C819
C804
C803
C803
C810
R852
R868
R528
C813
C814
C814
R823
R819
R805
C817
R872
R873
R832
R804
R804
R880
R881
R894
R894
R882
R874
R875
R875
R876
R871
R808
C822
C821
R813
R956
R952
CNP801
C806
L701
R702
FB801
TH801
D923
R837
CNP803
Q804
R848
D815
R818
R854
R864
R836
JR810
C802
BZ801
R856
R855
D811
Q806
R841
Q909
D917
Q920
Q803
C921
R526
IC802
IC801
Note:
• Voltage is dc with respect to ground
under no-signal (detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
<
> : CD PLAY
(Page 36)
39
39
CDX-M730
• Refer to page 30 for Waveforms.
4-12. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 49 for IC Block Diagrams.
(Page 41)
(Page 43)
(Page
38)
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
IC B/D
IC B/D
CNP805
D301
D303
D304
D804
D832
D913
IC306
IC307
Q303
Q304
R318
R332
R333
R334
R335
R336
R337
R338
R339
R
340
R341
R
342
R353
R366
R373
R375
R376
R377
R
379
R
380
R381
R
383
R384
R385
R716
R812
R833
R843
R844
R845
R846
R847
R931
C339
C338
C303
C336
C337
C413
C353
C379
C405
C380
C375
C373
C378
C376
C823
R866
R372
R371
R352
R
367
R374
R378
C363
R834
R835
R835
R364
JR305
C370
C342
C341
C334
C335
R561
SW1001
SW1002
R884
R885
R893
R886
R887
R887
R888
D830
R889
R890
R891
C824
C825
X803
Q302
C377
CNP902
M601
IC308
R386
R387
R388
C371
X351
IC303
Q921
IC301
D827
D
805
D
806
D
807
D
809
D80
8
D831
D845
D
84
3
D820
D81
0
D841
D
842
D
840
D
819
IC803
CNP804
(Page 37)
(Page 36)
40
40
CDX-M730
4-13. PRINTED WIRING BOARD — SUB (CD) SECTION — • Refer to page 30 for Circuit Boards Location.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D512
R507
R506
Q501
D506
SW501
D507
D514
R501
R502
Q502
R508
R509
C508
C503
C506
R504
D511
IC502
C507
C509
FB503
R503
C510
JR552
C505
D513
(Page 35)
Ref. No.
Location
D506
B-11
D507
B-6
D511
B-8
D512
C-8
D513
F-13
D514
C-10
IC502
C-13
Q501
C-9
Q502
B-10
• Semiconductor
Location
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