Panasonic SA-AK270EB / SA-AK270EG Service Manual ▷ View online
19.2. (B) Main P.C.B. & (E) Music Port P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
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
2
1
14
15
1
4
5
8
3
1
2
14
21
22
1
2
21
20
9
8
7
6
5
4
3
2
1
2
1
9
10
2
1
7
8
10
1
2
1
21
22
3
1
1
2
27
26
1
2
1
30
31
50
51
80
81
100
1
4
5
8
52
50
45
40
39
35
30
27
2625
20
15
14
13
10
5
1
1
2
3
4
5
3
1
1
2
3
4
5
1
11
4
3
6
5
8
7
2
2
4
3
6
5
8
7 9
10 12
11
18
13
20
15 17 19
14 16
2
3
4
5
6
7
8
9
10
2 3 4 5 6 7 8 9
19
18
17
16
15
14
13
12
11
10 9
8 7
6
4
3
5
5
25
24
23
22
21
20
19
18
17
16
14
14
13 12
11
10
7
4
9
3
5
6
8
15
13
12
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
35
40
45
55
60
65
70
75
85
90
95
2
16
17
10
11
12
13
4
3
6
5
8
7
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
19.3. (C) Panel P.C.B., (D) Tact Switch P.C.B. & (F) Remote Sensor P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SA-AK270EB/EG
PANEL / TACT SWITCH / REMOTE SENSOR P.C.B.
PANEL P.C.B. (REPX0649D)
C
REMOTE SENSOR P.C.B. (REPX0649D)
F
TACT SWITCH P.C.B. (REPX0649D)
D
0578A
0578A
0578A
0578A
0578A
0578A
PbF
PbF
PbF
B
C
E
R6101
R6102
R6103
R6107
R6104
R6100
IC6601
C6633
C6634
R6632
R6631
R6618
R6619
R6620
R6622
R6200
R6201
R6202
R6203
R6204
R6205
R6206
R6207
R6108
R6458
C661
1
C6612
C6613
C6614
L6671
R6671
R6672
D6672
C6608
C6609
W6541
R6106
C6938
C6940
C6939
C6300
R6300
W6570
CN6001
S6100
(POWER)
S6101
(DISPLAY)
S6108
(D.BASS)
S6207
(CD DISC 5)
S6206
(CD DISC 4)
S6205
(CD DISC 3)
S6204
(CD DISC 2)
S6203
(CD DISC 1)
S6202
(SINGLE CHG)
S6201
(MULTI CHG)
S6200
(OPEN/CLOSE)
VR6630
FL6601
D6458
W6045
W6546
W6547
W601
1
W6007
W6006
W6034
W6010
W6038
W6037
W6036
W6035
W6033
W6024
W6030
W6002
W6004
W6548
W6008
W6009
W6005
W6027
W6046
W6040
W6041
W6042
W6025
W6026
W6039
W6047
W6032
W6020
W6012
W6019
C6671
W6028
W6543
W6542
K6601
K6602
K6603
K6641
S6106
(TAPE REC)
K6006
K6004
W6561
W6572
W6575
C6601
Z6601
C6616
C6512
R6511
Q6511
R6512
R6503
R6502
R6501
R6301
R6302
R6303
R6304
R6305
R6306
R6307
R6308
R6208
C6503
W6017
W6016
D6511
D6512
VR6500
S6300
(FWD)
S6301
(MANUAL EQ)
S6302
(RWD)
S6303
(TAPE)
S6304
(TUNER)
S6306
(CD)
S6307
(USB)
S6308
(EXT IN)
W6666
W6031
K651
1
S6208
(STOP/DEMO)
W6018
BASS CONTROL
* FOR INDICATION ONLY
J6001
J6501A*
VOLUME
SENSOR
J6501B*
J6001B*
1
3 2
1
2
27
26
1
10
15
25
5
35
44
30
40
18
23
5
10
15
22
23
33
34
44
1
3
2
6 7 8 9
11 12 13 14
16 17
24
26 27 28 29
31 32 33 34
36 37 38 39
3
4
5
6
7
8
9
25
24
23
22
21
20
19
18
17
16
15
14
11
10
13
12
1
11
12
20
25
30
35
40
1
3
2
1
3
2
1
3 2
1
8
2 3 4 5 6 7
1
8
2 3 4 5 6 7
SA-AK270EB / SA-AK270EG
98
19.4. (G) Deck P.C.B., (H) Deck Mechanism P.C.B. & (L) AC Inlet P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SA-AK270EB/EG
DECK / DECK MECHANISM / AC INLET P.C.B.
DECK P.C.B. (REPX0647A)
G
H
DECK MECHANISM P.C.B. (REPX0321L)
AC INLET P.C.B. (REPX0622J)
L
0380B-4
0380B-4
PbF
PbF
PbF
PbF
W1904
W1932
W1902
W1931
W1903
W1933
W1907
W1905
W1947
W1946
W1942
W1945
W1951
W1935
W1909
W1977
W1912
W1921
W1917
W1916
W1911
W1913
W1975
W1948
W1934
W1914
W1915
W1906
W1920
W1976
W1941
W1908
W1918
CP1301
TO R/P HEAD
C1
103
C1
106
C1
109
C1304
C1201
C1203
C1319
C1320
C1324
C1311
C1305
C1206
C1209
C1301
C1208
C1
101
C1308
Q1309
Q1316
Q1315
L1302
R1330
R1333
R1309
W1910
W1938
C1326
C1307
C1318
C1321
C1
108
IC1001
IC1000
CN1305
WR1903
(TO MOTOR)
C1323
W1919
L1301
CP1902
W1939
W1930
C1202
R1061
Q1303
Q1312
Q1317
C1317
R1327
C1314
R1337
R1203
C1207
C1104
R1104
C1
121
R1343
R1344
R1345
R1342
R1305
R1328
R1332
D1301
R1335
R1338
R1334
R1329
C1312
C1316
C1221
R1401
R1318
R1404
R1405
R1403
R1201
C1205
C1204
C1371
R1371
C1223
R1302
R1
101
R1303
C1303
C1
122
C1302
C1105
R1103
C1107
R1
102
R1210
R1204
R1304
R1105
R1380
R1402
R1106
R1209
R1109
Q1304
R1314
C1315
R1331
C1102
C1222
R1202
C1
123
R1341
R1374
Q1314
R1206
C1210
R1205
R1110
R1063
C1110
R1064
Q1310
1
3
2
4
5
7
6
8
9
10
11
12
13
14
15
16
17
19
18
20
21
E
C
B
E
C
B
1
5
5
3
2
4
4
3
1
2
E
B
C
1
12
22
11
1
2
E
C
B
E
B
B
C
E
E
B
B
B
C
E
C
C
1
2
3
4
5
6
7
8
9
E
C
B
1
3
4
6
2
5
5
10
15
20
J7
J8
J16
S975
(RECINH_F)
CS971
J10
J12
R973
J6
S972
(HALF)
S971
(MODE)
D971
J13
J4
J14
J5
J9
R972
IC971
SOLENOID
0303B-3
0303B-3
C5701
C5704
C5705
DZ5701
P5701
R5701
ZA5701
ZA5702
F1
W5784
W5780
W5781
W5783
W5782
T5AH 250V
K5742
AC IN
230-240V 50Hz
K5706
K5705
K5741
K5740
L5703
ZJ5702
ZJ5701
C5707
C5706
L5701
0562B-2
0562B-2
RED
BLK
PL-
3
2
1
4
PL+
1
9
8
7
6
5
4
3
2
1
J2
1
2
3
4
3
2
3
2
1
3
4
1
2
SA-AK270EB / SA-AK270EG
99
19.5. (J) D-Amp P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
SA-AK270EB/EG
D-AMP P.C.B.
D-AMP P.C.B. (REPX0638G)
J
0561A-1
0561A-1
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
PbF
C5000
C5001
C5002
C5003
C5004
C5005
C5006
C5007
C5008
C5009
C5010
C501
1
C5012
C5013
C5016
C5017
C5018 C5019
C5020
C5021
C5022
C5023
C5024
C5025
C5028
C5030
C5031
C5032
C5033
C5050
C5051
C5052
C5053
C5514
C5515
C5518
C5519
C5520
C5521
C5550
C5551 C5552
C5553
C5554
C5556
C5557
C5558
C5559
D5501
D5502
D5503
IC5500
Q5101
Q5102
Q5601
Q5603
Q5604
R5000
R5001
R5002
R5003
R5004
R5005
R5006
R5007
R5008
R5010
R501
1
R5019
R5020
R5023
R5030
R5031
R51
10
R5504
R5505
R5506
R5507
R5508
R5602
R5603
R5604
R5608
R5609
R5611
W5059
W5032
IC5501
C5555
R5511
C5561
C5560
W5071
C5151
C5150
C5445
W5780
K5302
W5007
C5014
C5015
C5040
C5133
C5510
C5511
CN5050
CN5500
IC5000
JK5001
K5003
K5011
K5012
K5013
K5017
K5018
K5301
L5001
L5002
R5510
X5500
X5501
ZJ5400
ZJ5410
W5067
W5066
W5068
W5061
W5060
W5005
W5043
W5051
W5052
W5039
W5055
W5064
W5023
W5019
W5053
W5056
W5021
W5050
W5054
W5038
W5012
W5003
W5024
W5022
W5020
W5013
W5063
W5045
W5046
W5044
W5047
W5049
W5048
W5035
W5033
W5006
W5037
W5009
W5010
W501
1
W5008
W5036
W5002
W5001
W5004
W5026
W5042
W5058
W5015
W5069
W5028
W5025
W5029
W5030
W5031
W5014
W5016
W5017
W5027
W5070
W5018
L5000
HEATSINK
C5562
W5075
W5076
K5555
K5201
W5077
W5041
W5034
K5783
FRONT
SPEAKERS
D5001
D5002
D5003
D5004
R5671
K5255
K5251
C5450
K5253
C5026
C5029
2
1
4
3
6
5
8
7
10
9
12
11
14
13
15
16
17
1
2
3
4
5
6
7
8
1-FR+
2-FR-
3-FL+
4-FL-
4
3
2
1
4
3
2
1
3
1
2
3
1
2
1
2
4
3
1
7
8
14
1
7
8
14
5
10
5
10
23
2
1
5
10
15
20
3
7
4
6
8
9
11
13
12
14
16
17
19
21
18
22
SA-AK270EB / SA-AK270EG
100
Click on the first or last page to see other SA-AK270EB / SA-AK270EG service manuals if exist.