Sony HCD-GX25 / HCD-RG220 / MHC-GX25 / MHC-RG220 Service Manual ▷ View online
33
33
HCD-GX25/RG220
• Refer to page 30 for Waveforms.
5-10. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 54 for IC Block Diagrams.
(Page 38)
IC B/D
*
2
1
*
*
1
*
2
*
3
*
2
100 6.3V
(AEP,UK,RU)
100 10V
(EXCEPT AEP,UK,RU)
*
3
1k
(AEP,UK,RU)
100
(EXCEPT AEP,UK,RU)
*
3
R722
*
4
CN708
C711
C712
C721
C719
C720
C718
C717
C715
C716
C714
C706
C707
R739
R740
R741
M702
M701
R738
C747
C748
R707
C705
C709
R730
C746
C708
R729
C743
C744
R725
R726
R731
C754
C742
C753
R760
C756
C722
FB707
FB708
R720
R719
R718
R721
C830
R826
R827
R828
R825 C825
R823
R824
C829
FB808
FB701
R765
C734
C735
X701
C732
C733
C729
C811
R817
R818
C812
R819
R820
FB807
FB801
FB802
C844
C856
C810
R801
R802
C837
R803
R804
R805
C813
C814
C843
C803
C805
C815
C816
R834
R833
R832
IC803
FB803
FB805
FB806
CN710
C802
C807
R732
C806
C817
R717
R716
C741
R728
R745
R701
R706
R708
C710
R727
C703
C723
R711
R703
R704
R705
C702
C701
FB804
C704
R709
S701
R714
R715
TP
TP
TP
TP
C713
R747
R746
R713
R744
R807
R806
IC801
C804
C859
C858
C857
C860
R860
C835
C834
C731
IC721
IC722
IC802
Q701
R702
R722
C750
C751
C751
C752
C745
R829
C823
C824
R751
R752
R753
R754
C831
*
1
C702,707
100 6.3V
(AEP,UK,RU)
100 10V
(EXCEPT AEP,UK,RU)
C709,723
100 6.3V
(AEP,UK,RU)
100 10V
(EXCEPT AEP,UK,RU)
C704
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HCD-GX25/RG220
(Page 40)
Ref. No.
Location
D701
D-6
D711
D-7
IC701
F-6
IC712
F-7
IC731
E-11
Q731
C-9
• Semiconductor
Location
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
CN751
S751
IC731
CN731
CN741
CN742
C715
C731
C735
C736
R701
R711
DISC TRAY
ADDRESS DETECT
R731
R721
R722
R723
R735
R732
R733
R734
D701
D711
Q731
C751
IC712
IC701
CN704
C737
R713
R712
C741
R702
JW702
JW703
JW704
JW705
JW706
JW707
JW708
JW711
CN703
CN702
CN705
R751
C752
CN701
JW712
JW701
JW709
JW710
JW713
JW714
CN721
OPEN/CLOSE
DETECT
5-11. PRINTED WIRING BOARDS — CD MECHANISM SECTION (2/2) — • Refer to page 30 for Circuit Boards Location.
: Uses unleaded solder.
35
35
HCD-GX25/RG220
5-12. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 54 for IC Block Diagrams.
IC B/D
R751
C752
CN705
CN704
CN721
CN751
C751
IC701
IC712
R701
R713
R711
R723
R721
R722
C735
C736
C737
R735
R733
R731
C731
C741
CN702
CN703
CN701
RE701
M741
M751
IC731
CN731
CN741
CN742
CN751
C715
R702
R712
R732
R734
D701
D711
S751
Q731
(Page 37)
36
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HCD-GX25/RG220
(Page 38)
5-13. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 54 for IC Block Diagram.
IC B/D
D102
R101
R102
C103
C102
C101
R317
C321
C323
C327
C325
C319
R330
C320
C324
C337
R323
C328
C326
R326
C353
C303
C318
R318
D317
C304
C357
C312
C310
C355
R396
R395
R316
C362
C361
R365
JR124
C432
C434
C365
C309
C435
C433
C431
IC301
JR300
C317
R325
C436
C313
C411
C314
C412
C356
R380
R355
R356
C342
R354
R358
C107
C106
CN102 C105
C300
R305
C307
C424
C350
C332
C334
R344
C349
R345
R321
R319
C333
C331
R324
R397
R399
R398
R322
R320
R328
CN101
C366
R306
C308
Q321
Q322
Q311
Q310
Q312
C393
C425
C428
C430
TU901
CN305
JR358
R329
C311
C354
(Page 37)
(Page 39)
(Page 41)
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