Sony HCD-BX7 / HCD-DX7 / HCD-DX7J Service Manual ▷ View online
HCD-BX7/DX7/DX7J
34
34
7-13. PRINTED WIRING BOARD – PANEL SECTION – • See page 21 for Circuit Boards Location.
Ref. No.
Location
D601
B-8
D602
C-2
D603
D-3
D611
C-7
D612
E-7
D613
E-7
D614
F-7
D615
D-5
D617
G-4
D618
C-2
D630
A-6
D631
A-5
D632
A-4
IC601
C-5
IC602
F-4
IC603
B-7
IC721
E-8
IC722
F-8
Q604
D-8
Q605
B-2
Q606
D-7
Q607
D-7
Q608
C-7
Q609
C-7
Q610
C-7
Q611
C-7
Q612
C-7
Q613
C-6
Q614
C-6
Q615
D-3
Q621
B-7
Q622
E-7
Q623
F-7
Q624
E-5
Q625
F-4
Q626
C-2
Q630
A-7
Q631
A-7
Q632
A-4
Q633
A-7
Q634
A-7
Q635
A-3
Q721
G-6
• Semiconductor
Location
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
(Page 26)
09
EA, DX7J
MODEL
EA, DX7J
MODEL
EA, DX7J
MODEL
DX7, DX7J
MODEL
HCD-BX7/DX7/DX7J
35
35
(Page 29)
0 9
EA, DX7J MODEL
DX7, DX7J MODEL
EA, DX7J
MODEL
MODEL
DX7, DX7J MODEL
*
R737
47k : EA, DX7J
22k : SP, MY, E2, MX, AR, AUS, TH, E3, KR
47k : EA, DX7J
22k : SP, MY, E2, MX, AR, AUS, TH, E3, KR
*
ECHO
LEVEL
R746
1k
MTZJ-T-77-5.6C
EXCEPT TH
C617
0.001
0.001
PIN
FUNCTION
7-14. SCHEMATIC DIAGRAM – PANEL SECTION –
• See page 21 for Wavefoms.
• See page 45 for IC Pin Function Description.
• See page 47 for IC Block Diagrams.
• See page 45 for IC Pin Function Description.
• See page 47 for IC Block Diagrams.
HCD-BX7/DX7/DX7J
36
36
7-15. PRINTED WIRING BOARD – LEAF SW SECTION – • See page 21 for Circuit Boards Location.
Ref. No.
Location
D1001
A-2
D1002
A-5
IC1001
A-1
IC1002
A-5
Q1001
A-2
• Semiconductor
Location
1
2
A
B
C
3
4
5
6
(Page 26)
(Page 26)
(Page 26)
09
HCD-BX7/DX7/DX7J
37
37
7-16. SCHEMATIC DIAGRAM – LEAF SW SECTION –
(Page 28)
0 9
NORMAL
SPEED
HIGH SPEED
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