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WX-7700MDX
33
33
5-10. PRINTED WIRING BOARDS – MD Section –
•
See page 29 for Circuit Boards Location.
CN102
IC302
100
26
50
1
8
5
76
75
51
25
1
16
20
13
12
1
25
36
24
48
37
1
IC401
IC304
CN101
R325
C308
R320
R318
C305
R319
C306
R324
R326
R327
R328
C311
C315
C339
R331
R351
R330
C343
R353
C342
C336
C349
R301
R302
R303
R304
R305
R306
R307
R308
R360
R314
R313
R311
R354
R352
R329
C314
C310
X501
1
20
11
1
10
30
8
5
1
4
Q301
BC
E
Q401
B
C
E
C402
R406
C510
R538
R525
R501
R502
R503
R531
R516
R511
R507
R506
R535
R539
R527
R528
R526
R529
R505
R346
C328
R356
C331
C330
R344
R342
R338
R340
C329
R355
C325
C326
C327
C347
C324
C322
R337
R348
R349
R357
C320
C321
R336
R350
C516
R504
C501
R524
R523
R522
R537
R517
R518
C11
C403
R404
R405
D401
A
K
1
11
CN103
C346
L302
C319
C318
Q302
B C E
SERVO (MD) BOARD
(COMPONENT SIDE)
1-679-848-
25
40
80
24
1
41
64
65
11
(11)
OPTICAL
PICK-UP BLOCK
(KMS-241C)
+
+
+
TP2 (SE)
TP3 (TE)
TP4 (FE)
TP1
RB503
TH501
R540
R542
R519
C513
R520
R521
R547
C352
C363
R401
R402
R403
L301
C344
R361
C514
C515
R533
C504
C505
R534
R510
R512
C503
C506
L501
1
4
8
5
IC305
D301
AK
Q303
B C E
Q402
B
C
E
Q403
BC
E
C345
C353
C359
R362
R332
C511
C365
R335
C317
C309
C307
C316
C350
C358
C301
C356
C357
C362
C361
R358
1
5
9
13
26
22
18
14
IC306
R333
R334
C351
C333
SERVO (MD) BOARD
(CONDUCTOR SIDE)
1-679-848-
1
8
4
5
11
(11)
+
+
+
+
1
11
SENSOR (MD) BOARD
(COMPONENT SIDE)
1-679-849-
11
(11)
M903
(LOADING)
M
M
BLK
RED
BLK
RED
M902
(SLED)
M
M
M901
(SPINDLE)
M
M
(LOADING END)
SENSOR (MD) BOARD
(CONDUCTOR SIDE)
1-679-849-
LOADING START/
EJECT END
11
(11)
(LIMIT)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
A
C
D
E
F
G
H
I
J
K
• Semiconductor
Location
Ref. No.
Location
D301
G-9
D401
F-7
IC301
B-6
IC302
D-2
IC303
B-4
IC304
C-6
IC305
G-10
IC306
D-11
IC307
B-10
IC401
F-7
IC501
G-3
IC502
D-6
Q301
A-5
Q302
C-1
Q303
F-9
Q401
E-7
Q402
F-9
Q403
E-9