Sony MDX-CA680 MiniDisc Player User Manual


 
MDX-CA680/CA680X
3838
4-15. PRINTED WIRING BOARD – KEY Board – See page 28 for Circuit Boards Location.
(CA680X)
LED900, 901, 913, 914
(CA680)
(CA680X)
LSW901-911, 914-919
(CA680)
LED902, LED903
34
25
16
K
A
34
25
16
34
25
16
34
25
16
34
25
16
61
52
43
61
52
43
61
52
43
A
A
K
K
KA
K
K
A
A
61
52
43
61
52
43
61
52
43
34
25
16
34
25
16
34
25
16
34
25
16
6
1
5
2
4
3
6
1
5
2
4
3
AK
AK
KA
KA
1
2
4
3
43
52
61
43
52
61
K
K
AK A
KA
A
B
C
D
E
F
G
1
2 3 4 5 6 7 8 9 10 11 12 13
A
Ref. No. Location
Ref. No. Location
Semiconductor Location
D902 G-12
D903 G-12
D904 G-11
D906 G-11
D908 G-11
D971 B-11
IC900 F-8
IC971 A-11
LED900 B-2
LED901 C-2
LED902 B-1
LED903 C-1
LED905 B-4
LED906 B-11
LED909 C-11
LED910 C-4
LED913 C-12
LED914 B-13
Q901 F-4
Q902 E-4
(Page 36)