Panasonic SA-AKX74PN Instrukcja serwisowa - Strona 7
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SCHEMATIC DIAGRAM - 14
B
MAIN(MICON) CIRCUIT
TO MAIN(MICON)
CIRCUIT (9/10)
6
7
3
R2224
C2107
0
0
4
C2280
0.056
R2435
1.8K
R2436
27K
C2279
0.15
B1ABCF000176
B1ABCF000176
C2281
0.15
R2439
27K
R2440
1.8K
C2282
0.056
R2225
C2108
0
0
5
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14
DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16
57
58
59
: +B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE
: AUX/TUNER/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
R2048
33
C2200
25V220
R2244
R2241
C2165
R2434
4.7K
27K
0.056
4.7K
R2238
C2168
1.8K
0.15
Q2029
B1ABCF000176
Q2028
4
BUFFER AMP
GND
BUFFER AMP
Q2032
B1ABCF000176
BUFFER AMP
5
Q2030
R2239
C2169
BUFFER AMP
1.8K
0.15
R2245
R2242
C2166
4.7K
27K
0.056
R2438
4.7K
60
61
62
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
: AM SIGNAL LINE
: USB SIGNAL LINE
TO MAIN(MICON)
CIRCUIT (5/10)
R2268
2.7K
R2272
2.7K
C2189
0.1
C2190
16V220
R2256
12K
C2179
10
R2269
39K
C2185
R2266
R2308
10
6.8K
1.8K
C2205
R2291
0.068
4.7K
3
2
1
IC2001
C0ABBB000067
DUAL OP-AMP
V+
C2204
R2290
6
7
8
0.068
4.7K
C2186
R2267
R2305
10
6.8K
1.8K
R2270
39K
R2257
12K
C2180
10
63
64
65
7
C2212
R2320
0
18K
R2292
27K
CHANGE
10K
(R2320,R2321)
R2293
R2321
10K
18K
C2213
27K
0
1/10
2/10
3/10
4/10
5/10
6/10
7/10
8/10
9/10
10/10
SA-AKX74PH/PN MAIN(MICON) CIRCUIT
66
67
68
A
B
C
D
FR_R_WOOFER
DA
FR_R_TWEETER
DA
E
FR_L_TWEETER
DA
FR_L_WOOFER
DA
F
G
H
69
70