Sony CDP-CX455 Service Manual ▷ View online
CDP-CX455
33
33
6-4. Schematic Diagram – BD Board –
• See page 29 for Waveforms. • See page 44, 45 for IC Block Diagrams.
• See page 46 for IC Pin Function Description.
• See page 46 for IC Pin Function Description.
V
IC B/D
IC B/D
CDP-CX455
34
34
6-5. Printed Wiring Board – MAIN Board –
Ref. No.
Location
D327
D-4
D329
D-3
D501
G-4
D502
H-7
D503
H-6
D551
G-8
D941
C-8
D942
C-8
IC302
F-3
IC401
E-4
IC402
E-3
IC501
G-6
IC504
G-7
IC901
F-2
IC910
B-4
IC920
C-3
IC921
B-3
IC930
B-4
IC931
B-5
Q321
D-5
Q322
E-3
Q323
E-2
Q324
D-2
Q325
D-3
Q326
E-5
Q327
D-4
Q328
D-3
Q329
D-3
Q421
D-5
Q422
E-2
Q423
E-2
Q424
D-2
Q425
D-3
Q426
D-5
Q501
F-5
Q502
F-5
Q551
G-7
Q552
B-6
Q562
B-6
Q570
B-7
Q571
B-7
Q572
H-6
Q576
H-7
Q941
C-8
Q950
B-2
• Semiconductor
Location
• See page 29 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
(Page 42)
(Page 42)
(Page 42)
(Page 37)
(Page 38)
(Page 40)
(Page 40)
(Page 37)
(Page 32)
(Page 38)
KEYBOARD
DISP
IC402
IC910
IC921
IC920
IC401
IC501
IC504
IC302
IC901
IC931
IC930
CDP-CX455
35
35
6-6. Schematic Diagram – MAIN Board (1/2) –
• See page 29 for Waveforms. • See page 48 for IC Pin Function Description.
39
41
4.7k
4.7k
10k
DISP
CDP-CX455
36
36
6-7. Schematic Diagram – MAIN Board (2/2) –
• See page 45 for IC Block Diagrams.
A
A
IC B/D
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