Printed Wiring Board -Main Section (2/2) - Sony HS-MB1 Service Manual

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4-9.
PRINTED WIRING BOARD – MAIN Section (2/2) –
1
2
A
MAIN BOARD (SIDE B)
B
CN2300
RS-232C
C
JL2534
D
JL2535
JL2536
CN2501
ZONE EXPANSION IN
E
JL2543
JL2544
JL2545
JL2546
JL2506
JL2504
JL2505
JL2502
JL2503
JL2501
JL2500
F
JL2538
JL2537
JL2539
G
CN2502
ZONE EXPANSION OUT
JL2541
H
JL2515
JL2513
JL2511
JL2509
I
HS-MB1
: Uses unleaded solder.
3
4
5
C2920
C2917
C2952
C2949
6
7
8
JL2526
JL2516
RY2701
JL2522
JL2530
JL2529
JL2521
JL2525
JL2533
RY2700
JL2329
JL2330
JL2328
JL2327
JL2325
JL2326
JL2324
JL2321
JL2315
JL2322
JL2320
C3123
JL2317
JL2319
JL2318
JL2316
JL2313
JL2323
JL2314
JL2312
C3120
JL2309
JL2311
JL2308
JL2310
JL2307
JL2305
JL2306
JL2359
JL2352
JL2337
JL2358
JL2336
JL2334
JL2333
JL2335
JL2338
JL2356
JL2355
JL2331
JL2354
JL2332
JL2353
JL2351
JL2350
JL2348
JL2349
JL2347
JL2346
JL2344
JL2345
JL2343
JL2342
JL2340
JL2339
JL2341
JL2127
JL2126
D2103
JL2103
JL2122
JL2108
C2983
JL3040
C2981
JL2121
C2136
JL2123
JL2125
IC2100
JL2124
1
2
3
A2100
19
19
9
10
11
R2726
CL2100
JL2115
JL2114
E
C
B
E
C
B
JL2116
Q2725
Q2724
CL2104
C2100
C2128
CL2117
C2130
C2125
JL2118
IC2101
IC2104
JL2102
1
2
3
JL2101
1
2
3
CL2101
A2101
A2104
JL2119
JL2107
JL2105
IC2102
IC2103
1
2
3
JL2104
1
2
3
A2102
A2103
JL2120
CL2102
HS-MB1
12
-1
-1
1
J2300
CAMERA
IN
-2
2
-2
J2103
ZONE 1
19.5V
J2100
ZONE 2
19.5V
J2104
ZONE 3
DC IN
19.5V
J2105
ZONE 4
19.5V
J2102
10V
J2106
ZONE 5
19.5V
J2107
• Semiconductor
ZONE 6
19.5V
Location (Side B)
DC IN
Ref. No. Location
J2108
D2102
G-9
ZONE 7
D2103
G-9
19.5V
IC2100
I-8
IC2101
G-9
J2109
IC2102
H-9
ZONE 8
IC2103
H-10
19.5V
IC2104
G-10
IC2106
G-10
IC2107
F-10
IC2108
G-8
IC2706
E-11
Q2724
E-11
Q2725
E-9

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