MDS-JB980
44
44
(SIDE A)
BD BOARD
OPTICAL PICK-UP
BLOCK
(KMS-260B/260E)
12
(12)
1-683-807-
C702
R705
L122
S104
(PLAY)
C809
C905
C505
C502
Q702
L701
R713
Q704
Q703
Q701
C704
C701
C233
S103
(OUT)
R224
R225
R218
C109
R206
R216
R228
R219
R281
C212
C209
C211
C230
L603
R104
C409
C114
C103
L502
C242
C214
L8
R226
C111
C112
Q201
R105
R103
R704
L602
R702
C175
L202
R701
R703
C194
C252
R712
C116
CN101
R710
C240
C101
C410
C250
L201
C907
C206
C903
C253
C901
C411
S105
(REC)
C106
C105
R205
D101
C231
C412
R405
IC803
L501
L801
C908
C803
S101
(LIMIT IN)
L203
L10
CN104
C550
HR901
OVER WRITE
HEAD
R502
C490
R299
R501
1
2
L601
C909
L402
CN102
1
7
14
8
4
1
5
8
IC195
C999
CN105
Q202
E
L401
C405
C998
R303
R302
C301
C904
C220
C219
C205
C241
R217
R211
R210
R214
R120
R207
R202
R203
C215
TP504
TP219
TP612
C703
5
1
4
3
C117
R707
R113
R122
R107
R116
R119
R117
R110
R114
C122
R121
R708
R208
C115
R212
C113
C107
C120
CN103
C110
C119
C118
R112
R115
C121
C406
C299
TP501
+
–
TP615
TP503
C899
C221
R106
R711
R706
R111
C108
C302
L550
BG1
R101
R102
R108
R118
L899
R201
R209
C902
R301
IC401
IC701
C104
R803
R802
R815
R814
C407
IC181
D501
D502
Q182
Q181
C504
R551
C501
C251
TP502
C503
C1102
R552
C216
R298
C254
C234
R805
E
E
C235
R553
C255
Q203
R109
R709
12
(12)
1-683-807-
BD BOARD (SIDE B)
M103
(LOADING)
M
M101
(SPINDLE)
M
+
–
E
E
E
E
E B E
C
C
M102
(SLED)
M
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
6-7. PRINTED WIRING BOARD — BD SECTION — • Refer to page 41 for Circuit Boards Location.
D101
B-3
D501
G-14
D502
H-14
IC101
C-13
IC153
F-13
IC181
H-12
IC195
H-10
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
IC201
F-12
IC401
D-10
IC701
E-13
IC803
G-5
IC926
F-9
IC933
G-9
Q181
G-13
Q182
H-13
Q201
D-2
Q202
D-13
Q203
E-13
Q701
E-2
Q702
E-3
Q703
E-2
Q704
E-3
Ref. No.
Location
(Page 45)
(Page 45)