49
49
MDS-SE9
7-6. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
• See page 41 for Circuit Boards Location.
•
: Uses unleaded solder.
IC 121
IC 102
IC 301
IC 111
IC 101
IC 402
IC 403
IC 202
IC 442
IC 441
IC 201
(FOR FLASH WRITER)
1
9
1
5
1
5
1
8
1
2
15
16
1
7
(TAPE SPEED ADJUST)
(RECORD BIAS ADJUST (R-CH))
(RECORD BIAS ADJUST (L-CH))
TAPE
MECHANISM
DECK(1/2)
TAPE
MECHANISM
DECK(2/2)
SYSTEM
CONTROL
DIGITAL IN
OPTICAL
C
DIGITAL OUT
OPTICAL
D
MD
OUT B
MD/TAPE
R
L
IN A
R
L
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
2
A
B
C
D
3
4
5
6
7
CN101
• Semiconductor Location
Ref. No.
Location
D101
C-4
D102
C-3
D103
C-3
D104
C-3
D105
C-3
D106
B-4
D121
B-3
D122
A-3
D201
C-5
D321
C-4
Ref. No.
Location
D322
C-4
D431
B-2
D432
B-2
D433
B-2
D434
B-2
D435
B-4
D436
B-4
IC101
D-4
IC102
C-3
Ref. No.
Location
IC111
D-4
IC121
B-3
IC151
C-2
IC201
C-6
IC202
D-6
IC301
C-4
IC401
B-4
IC402
B-5
IC403
B-5
IC441
C-2
Ref. No.
Location
IC442
C-2
Q121
B-3
Q251
D-5
Q252
D-5
Q253
D-5
Q254
D-5
Q255
D-5
Q321
B-4
Q322
C-4
Ref. No.
Location
Q323
B-4
Q324
C-3
Q421
B-4
Q422
B-4
Q431
B-2
Q432
C-2