Read Panasonic SA-AK270EB / SA-AK270EG Service Manual online
19.2. (B) Main P.C.B. & (E) Music Port P.C.B.
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SA-AK270EB/EG
MAIN / MUSIC PORT P.C.B.
MUSIC PORT P.C.B. (REPX0649D)
E
MAIN P.C.B. (REPX0648C)
B
0577A-1
0577A-1
0578A
0578A
B C E
B
C
E
B
C
E
B
C
E
B
B
C
E
B
C
E
B
C
E
B
C
E
N
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
C
E
B
B
C
E
PbF
PbF
CN2805
(TO CRS1(CN1))
CN3200
CN2011
C2912
C2903
C2901
Q2900
T2900
(SWITCHING TRANSFOMER)
C2900
FP2901
0.4A
L2910
X2910
X2815
C2613
C2813
Q2743
D2936
D2903
D2906
D2908
CN2807
W2160
W2135
W2266
W2196
W2188
W2198
W2194
W2183
W2186
W2195
W2212
W2213
W2214
W2215
W2216
W2184
W2185
W2187
W2189
W2206
D2708
D2707
Q2711
W221
1
W2210
W2207
W2209
CN2811
(FOR DEBUGGING)
W2192
W2205
W2182
W2147
W2193
W2271
W2274
W2273
W2275
W2270
W2269
W2292
W2272
W2217
W2191
W2136
W2140
W2139
W2139
W2144
W2145
W2134
W2132
W2133
W2081
W2080
W2077
W2083
W2052
W2076
W2075
W2056
W2146
W2045
W2046
W2079
W2078
W2068
W2073
CN2341
CN3601
(TO TUNER PACK)
W2028
W2041
C2305
C2304
C2302
C2301
C2181
C3703
CN2801
K2888
C2713
IC2804
W2168
C2707
C2703
L2704
L2702
L2701
C2733
D2732
C2737
C2735
Q2735
Q2751
C2754
C2767
C2765
Q2761
C2764
D2051
C3702
IC2701
C2712
C2702
W2013
W2042
W2039
W2040
W2127
W2129
W2173
W2115
W2116
W2120
W2043
W2174
W2118
W2113
W2117
W2121
W2307
W2155
W2256
W2254
W2253
W2111
W2112
W2087
K2701
K2731
W2177
W2088
W2090
W2119
W2130
W2114
K2808
K2901
W2262
W2251
W2250
W2263
W2301
W2279
W2280
W2267
W2281
W2302
W2299
W2241
W2291
W2278
W2288
W2303
W2169
W2259
W2306
W2298
W2218
W2223
W2225
W2221
W2286
W2287
W2284
W2283
W2283
W2282
W2235
W2233
W2234
W2208
W2204
W2200
W2240
W2289
W2220
W2203
W2201
W2202
W2239
W2237
W2238
W2143
W2171
IC2731
W2230
W2163
W2031
W2033
W2036
W2029
W2035
W2018
W2017
W2023
W2024
W2053
W2061
W2103
W2070
W2069
W2072
W2099
W2098
W2098
W2097
W2104
W2106
W2058
W2067
W2065
R2722
W2002
W2003
W2004
W2096
W2059
W2063
W2060
W2085
W2100
W2101
W2102
W2044
W2054
W2055
W2082
W2179
W2126
W2123
W2108
W2258
W2304
W2294
W2305
W2285
W2226
W2297
W2277
W2178
W2252
K2031
W2276
W2242
W2268
W2167
W2032
W2107
W2110
W2008
W2007
W2025
W2094
W2095
W2092
W2091
W2084
K2801
W2021
W2022
W2138
W2009
W2093
W2027
W2006
W2074
W2165
W2166
W2150
W2149
W2224
W2159
W2197
W2064
W2290
W2105
W2057
W2019
W2014
W2034
W2038
W2124
W2125
W2176
W2175
W2180
K2771
W2219
W2231
W2086
E2001
K2325
K2326
W2015
W2011
W2012
K2319
K2320
W2154
W2131
W2153
W2142
W2148
W2199
W2016
W2128
K2341
W2265
W2158
CN2806
C2170
W2030
CN2001
K2761
W2357
W2356
K2807
K2001
K2002
K2003
W2360
W2359
W2363
W2358
C2185
C2186
W2361
W2264
K2772
K2032
K2762
W2066
Q2936
R2721
C2365
W2026
K2751
W2010
C2756
IC2801
W2702
R2914
D2909
R2902
D2901
R2807
R2809
R2809
W2735
W2736
R2610
R2611
C2611
C2960
R2813
R2815
R2818
R2819
R2820
R2827
R2828 R2829 R2830
R2812
R2620
R2637 R2638
R2644
R2647
W2727
R2832 R2833
R2835
R2836
R2837 R2838
R2839
R2841
R2842
R2843
R2845
R2846
R2848
IC2951
(NOT SUPPLIED)
C2951
C2953
R2951
R2952
R2953
R2889
R2689
R2675
R2679
R2674
R2852
R2853
R2854
R2855
R2856
R2857
R2858
R2861
R2863
R2865
R2866
W2758
Q2937
R2874
R2875
R2876
R2877
R2685 R2881
R2886
R2890
R2892
R2893
R2894
R2895
R2897
C2895
C2897
R2600
R2609
R2003
R2771
R2772
Q2772
Q2771
C2812
Q2812
D2812
R2743
R2744
R2745
Q2745
C2742
R3205
R3204
R2632
R2631
R2001
R2004
R2002
Q2011
Q2012
R2626
R2621
R2622
R2623
W2770
W2747
W2748
W2750
R2365
R2367
R2366
W2773
W2723
W2707
W2726
W2725
W2724
R2821
R2822
R2823
R2826
C2821
C2822
C2823
C2881
C2329
IC2803
C2046
C2026
C2006
R2182
C2184
C2188
R2184
C2190 C2192
R2186
C2194 C2196
R2303
R2302
C2307
C2312
R2312
R2316
R2315
R2315
C231
1
R231
1
Q2311
Q2312
C2315
C2316
C2197
C2195
C2193
R2185
R2183
C2189
C2191
C2183
C2187
R2181
C2005
C2025
C2045
C2065
C2023
R2043
R3714
R3716
D2775
D2774
C2714
C2711
R2314
R2313
C2321
C2323
R2323
C2322
C2324
R2324
C2345
R2345
C2343
R2343
R2343
C2341
R2346
C2346
R2344
C2344
C2342
R2338
R2337
Q2335
Q2336
R2335
R2336
R2334
R2333
R2358
R2356
R2352 R2354
C2358
C2357
R2355
R2357
R2353
R2351
Q2360
Q2359
R2359
R2361
R2363
R2362
R2364
R2360
R2703
R2702
R2701
R2706
R2705
C2704
C2705
C2701
DZ2702
C2732
C2738
C2736
D2733
R2735
C2751
R2754
D2753
C2753
C2755
R2755
R2756
C2766
Q2763
R2765
C2763
C2761
C2054
R2041 R2044
C2021
C2022
R2021
R2022
R2023
R2024
R3715
R3713
C2762
C2024
R2042
R2762
R2753
R2733
R2711
C2330
R2321
R2322
W2737
W2721
W2740
W2775
W2761
W2763
C2734
W2705
W2703
L2612
W2718
W2712
W2708
W2728
R2672
R2670
R2669
R2668
R2667
R2680
R2673
R2636
R2635
W2710
W2776
W2774
W2772
R2900
R2774
R2713
R2970 R2971
Q2970
W2719
W2729
R2936
R2937
IC2741
C2066
R2844
K2181
K2182
C2002
R2061
R2063
R2062
R2064
R2064
R2304
R2878
C2201
R2775 R2773
QR2317
C2202
C3714
C3713
C6804
C6803
R6812
R681
1
C6863
C6861
C6852
C6851
C6816
C6815
C6814
C6813
C6812
C681
1
L6863
L6851
L6812
L681
1
L6802
L6801
C6802
C6801
C6823
C6822
C6821
C6820
C6810
S6820
(EJECT)
JK6810
JK6800
CN6807
W6050
W6051
W6052
W6510
W6504
ZJ6801
W6505
CN2701*
W2295
HEADPHONE
MUSIC PORT
L2901
L2902
X2901
IC2809
R2905
R2906
R2907
R2909
R2908
C2907
C2905
C2909
C2908
C2910
C2906
C291
1
C2904
C2035
*FOR INDICATION ONLY
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22
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1
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1
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1
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10
1
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1
21
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1
1
2
27
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1
2
1
30
31
50
51
80
81
100
1
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52
50
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30
27
2625
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1
1
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1
1
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11
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10 12
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15 17 19
14 16
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10
2 3 4 5 6 7 8 9
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10 9
8 7
6
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3
5
5
25
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13 12
11
10
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11
10
9
1
7
5
4
6
8
3
2
14
19
12
15
10
9
1
7 5
4
6
8
3
20 18 16
13 11
17
5
10
15
20
25
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60
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75
85
90
95
2
16
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3
6
5
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9
5
6
4
3
7
6
5
4
3
2
1
7
6
5
4
3
2
1
4
3
9
10
1
2
2
1
8
7
6
5
16
9
1
8
5
10
15
SA-AK270EB / SA-AK270EG
97
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