B) Main; B) Main P.c.b - Panasonic SA-AK640PL Service Manual

Cd stereo system
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18.2. (B) Main P.C.B.

A
B
C
1
B
MAIN P.C.B (REPX0516T)
Q2942
CN2810
C2941
C2948
W2573
(TO FAN)
B
C
E
1
E
R2942
C
2
B
2
R2943
Q2948
Q2949
C2945
B
R2948
R2945
C
E
W2572
R2947
B
C
CA
E
A
CA
Q2943
D2946
3
Q2606
B
4
W2410
C
C2627
W2413
AM LOOP
E
L2601
ANTENNA
R2625
W2411
4
6
R2626
3
-2
-1
3
2
1
R2601
D2602
A
R2607
CA
A
R2606
4
C2608 C2607
B
C
E
Q2601
2
W2426
C2629
4
6
FM LOOP
C2603
-2
-1
ANTENNA
3
2
1
L2602
1
TUNER PACK
REP1999B
1
2
3
4
W2420
5
JK2601
C2610
R2614
R2613
R2611
K2333
Q2511
E
6
C2674
C
B
R2142
C2673
D2677
R2512
N
R2677
R2242
Q2341
E
C
C2444
W2530
B
R2457
R2345
Q2441
E
C2415
7
R2344
R2342
C
R2445
B
R2343
R2341
R2442
C2342
R2444
R2352
Q2311
R2354
R2443 R2441
C
C2701
R2454
R2452
C2702
C2324
R2453
R2451
Q2242
C2704
E
W2511
R2146
C2711
C
B
Q2142
R2704
R2701
B
C
4
5
E
IC2804
R2702
W2185
8
1
8
R2433
R2149
Q2552
Q2317
Q2553
E
E
C2315
C
E
C
B
C
R2555
B
Q2417
R2568
E
E
D2552
C
C
C2561
B
B
Q2554
B
R2418
E
E
Q2551
W2145
C
B
C2554
Q2555
W2142
R2566
C2551
R2567
R2421
R2562
C2560
D2551
R2563
9
C2731
5
4
IC2810
R2731
8
1
C2553
C2721
D
E
F
W2304
W2567 W2568 R2925
W2291
Q2907
W2565
Q2906
E
W2290
C
B
B
C
1
3
5
7
9
11
13
15
17
E
K2904
16
2
4
6
8
10
12
14
CN2801
R2924
W2570
R2923
W2569
C2901
B
C
E
W2292
A
C
CA
Q2901
R2907
D2901
Q2902
B
C
E
C2636
C2614
R2619
W2300
CF2602
R2620
W2277
W2431
3
2
1
W2432
R2853
W2434
W2558
1
24
W2275
1
2
3
C2620
C2616
R2854
R2862
Z2602
C2644
8
IC2601
4
R2602
R2643
R2646
7
6
5
R2623
R2642
C2639
W2424
C2643
12
13
R2645
C2637
100
R2641
C2641
C2647
C2621
W2281
C2613
R2622
CF2601
W2280
1
C2622
R2652
3
2
1
R2605
R2632
W2442
R2638
W2421
R2627
C2624
11
10
R2617
R2629
W2274
R2883
5
6
7
8
R2633
R2651
R2882
W2224
IC2602
R2634
W2545
R2635
R2636
R2881
R2886
W2225
R2637
20
1
X2802
X2603
3
2
1
C2612
W2223
W2441
R2801
W2543
W2230
C2630
W2240
W2229
W2238
J2801
R2803
R2671
W2237
R2672
R2675
Q2411
E
C
B
C2275
W2189
C2442
C2191
R2412 R2413
C2424
C2401
R2194
R2427
W2191
D2191
W2352
R2510
29
28
C2193
E
W2193
R2283
C2311
C2582
B
R2508
W2399
42
15
R2311
C2281 C2282
CA
C2302
IC2803
R2281 R2282
W2183
C2581
R2327
C2301
43
14
C2172
C2174
C2175
C2252
56
1
C2144
R2251
C2183
C2152
C2154
R2183
C2254
R2259
C2331
C2181
R2181
R2153
C2232
C2234
W2319
R2253
R2151
R2233
R2113
C2224
C2134
R2213
R2223
R2133
B
C2124
R2123
W2178
C2213
C
R2435
C2113
R2202
R2122
R2261
R2212
R2112
R2211
R2222
R2423
R2333
R2111
C2221
C2423
R2161
W2148
C2425
C2943
W2131
W2132
CN2809
R2430
12 11 10 9
8
7
6
5
4
3
2
1
G
H
I
J
CN2805
W2293
14
12
10
8
6
4
2
W2288
15
13
11
9
7
5
3
1
W2297
W2160
W2302
W2296
D2936
R2937
W2134
D2803
Q2936
W2294
R2936
Q2803
B
B
C
E
E
W2295
C
E
C
W2560
Q2937
B
W2877
W2279
R2927
W2289
C2803
W2299
R2852
R2921
W2284
R2922
R2914
W2261
W2260
W2278
W2259
W2262
CN2806
W2276
W2258
1
2
R2849
3
81
80
W2107
4
W2266
5
6
W2106
W2256
7
8
9
10
11
R2844
12
R2842
13
14
15
R2841
IC2801
16
51
W2576
17
18
19
W2537
20
21
W2536
22
50
W2523
23
R2820
24
25
26
R2819
27
28
R2818
29
30
R2817
31
30
R2830
W2227
W2397
W2532 C2872
W2218
W2228
W2548
5
4
W2549
W2232
8
1
W2219
W2547
IC2871
W2220
Q2951
Q2952
E
C2874
B
C
E
R2584
W2221
C
R2965
B
R2951
CN2951
W2222
W2546
B
C
E
1
2
Q2950
3
R2950
4
5
C2802
W2550
6
7
8
9
10
W2210
R2955
J2951
W2212
W2211
Q2960
W2392
B
C
E
W2207
R2960
R2958
W2174
W2216
Q2958
W2159
B
C
E
R2957
W2153
Q2957
R2959
Q2959
B
W2151
C
B
E
W2170
C
W2156
AC
E
R2505
R2953
A
R2504
W2154
C2957
D2503
R2954
C2509
E
R2956
C
W2152
B
R2509
Q2501
C2119
W2577
1
2
3
W2126
4
Q2980
5
W2401
6
7
W2105
B
8
R2103
C
E
9
10
W2104
11
B
C
12
R2894
E
13
Q2978
W2129
14
A
D2811
W2128
CN2803
CA
A
W2101
D2813
PbF
0460A-1
0460A-1
W2127
C2753
CN2808
12 11 10
9
8
7
6
5
4
3
2
1
79
K
L
M
N
SA-AK640PL
O
P

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