Main Circuit - Panasonic SA-AK230PL Service Manual

SA-AK230PL
SCHEMATIC DIAGRAM - 5
: +B SIGNAL LINE
: -B SIGNAL LINE

MAIN CIRCUIT

C2751
R2270
R2170
1
R2266
R2268
33
33
R2171
R2267
R2269 R2271
33
3.3K
33
C2266
1000P
R2152
0
BLKCK
B1ABCF000131
CDSTAT
R2920 R2921
4.7K 4.7K
SW5V
MCLK
MDATA
MLD
R2927
4.7K
CD_RST
C2906 1000P
R2931 10K
R2922
R2930 10K
10K
R2929 10K
R2928 10K
RESTSW
: CD SIGNAL LINE
: MAIN SIGNAL LINE
0.1
1
R2166
R2168
33
B0ACCK000005
33
R2167
R2169
33
3.3K 33
C2151
C2166
16V10
1000P
C2251
Q2142
16V10
C2520
0.01
C2301
10P
Q2906
Q2906,Q2907
R2919
4.7K
SWITCH
Q2907
R2925
4.7K
16 15 14 13 12 11 10 9 8 7 6
TO
CD SERVO CIRCUIT
(CN7002) ON
SCHEMATIC DIAGRAM-2
TO
PANEL CIRCUIT
(CN6601) ON
SCHEMATIC DIAGRAM- 9
30 29 28 27 26 25 24 23 22 21 20 19 18 17
Q2242
R2246
1K
D2241
R2247
C2245
100K
16V10
R2149 R2248
2.2K 6.8K
Q2142,Q2242
R2146
B1ABCF000131
1K
AGC CONTROL
R2249
2.2K
Q2501
C2401
10P
R2403 C2402 R2532
330K 47P 0
B1GDCFJJ0023
MUTING CONTROL
8 7 6 5
IC2804
IC2804
C0AABA000009
DUAL OP-AMP
1 2 3 4
R2303 C2302
C2521
330K 47P
0.01
R2302
15K
C2203
1000P
C2102
0.1
C2202
0.1
R2102
1.8K
R2202
1.8K
R2201 R2101
1.2K 1.2K
C2201 C2101
1 1
C2901
0.1
R2933
0
D2904
B0EAKM000117
5 4 3 2 1
CN2801
62
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
C2242
R2241 C2241
1
2.7K 1
Q2571
R2243
100K
6
1
R2242
R2142
22K
22K
5 2
R2143
100K
4 3
R2141
C2142
2.7K
1
R2503
R2502 N
C2501
150K
56K
50V2.2
R2501
2.2K
R2402 15K
Q2501
C2103
1000P
R2908
R2907
330
1K
C2904
D2901
16V100
B0ADCC000002
R2909
2.2K
Q2902
R2910
330
R2901 C2903
10K 0.01
R2903
15
R2902
Q2901
12
B1ACKD000004
SWITCH
Q2902
B1AACF000064
SWITCH
CN2806
1
C2753
0.1
C2999
0.1
CONN
OUT2
Q2571
B1GFCAA0001
MUTING SWITCH
OUT1
C2141
1
CONN1
-9V
MUTE_A
CONN
RCH
LCH
CD8V
SW5V
R2932
0