Panasonic SA-AK240E - B) Main Circuit

17.4. (B) Main Circuit
N
R2
3.
R2
3.
C2112 1
C2212 1
C2122 1
C2222 1
C2252 1
C2152 1
C2232 1
C2132 1
R2212
3.3K
R2112
3.3K
1
2
3
4
5
6
7
8
15 16 17 18 19 20 21 22 23
35
36
37
38
39
40
41
42
484950515253545556
9
34
24
47
10
33
25
46
11
32
12
31
26
45
27
44
13
30
14
29
28
43
IC2804
C0AABB0001
OP AMP
C2976
16V10
D2191
D2583
B0BC9R000008
PB_L
PB_R
GND
REC_IN_L
REC_IN_R
+B
1
2
3
4
5
6
14
12
10
8
7
9
11
13
C2583
16V100
C2509
16V33
R2509
560
REC_H
MO+B
MO_GND
NC
DECK1_H
NC
MOTOR
NC
R2401 15K
R2311
470
R2312
10K
R2412
10K
R2355
270K
C2442
1
C2342
1
C2312
1
Q2411
Q2311
R2455
270K
C2311
1
R2193
4.7K
R2283
100K
C2283
0.047
R2194
100K
C2194
0.12
C2275
3900P
C2588
0.1
C2585
220P
R2585
330K
R2510
220
C2584
220P
R2512
100K
R2511
2.2K
C2511
50V2.2
R2414
0
R2246
1K
D2241
B0ACCK000005
C2411
1
C2313
47P
C2413
47P
C2414
10P
C2314
10P
C2706
50V1
R2415
56K
R2706
3.3K
C2412
1
R2586
1.2K
R2584
330K
R2587 1.2K
R2102
3.3K
R2202
3.3K
MUTE_A ASP_DA +15V ASP_CLK SW15V
+15V
SW5V
MOT_12V
P_GND
-9V A_GND HP_R HP_L
REC[59]
MTR[58]
DECK_H
R2675
R2248
6.8K







234
765
Q2341
Q2441
R2345
1.5K
R2445
1.5K
R2357
100K
R2457
100K
C2344
0.47
C2444
0.47
R2447
1
R2446
3.3K
R2346
3.3K
R2347
1
R
R
R2442
33
R2444
33
R
R
R2342
33
R2344
33
Q2511
Q2980
R2173 4.7K R2172 22K
R2273
4.7K
R2271
15K
CN2803
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
: +B SIGNAL
: -B SIGNAL
TO
DECK
CIRCUIT
(CN1001) ON
SCHEMATIC
DIAGRAM-7
R2211
2.2K
R2111
2.2K
R2104 3.9K
R2204 3.9K
R2674
47K
R2673 47K R2672 10K R2671 10K
C2191 50V4.7
C2282 1 C2281 1
B0ACCK000005
R2222
3.3K
R2122
3.3K
C2121
3300P
C2221
3300P
R2121
3.3K
R2221
3.3K
TUNER RCH
IN-L1
IN-R1
IN-R2
IN-R3
IN-R4
IN-R5
IN-R6
GND
REF-IN
REF-OUT REC_L PRE-VIN-R HB-MIX-IN HB-MIX-OUT HB-FLT-OUT HB-ATT-IN HB-ATT-OUT HB-LPF-IN HB-LPF-OUT NC
NC
TRE-R
MID-R1
MID-R2
BASS-R2
T-OUT-R
R-OUT
VCC
CLK
DATA
NC
L-OUT
POST-VM-L
T-OUT-L
BASS-L2 BASS-L1
MID-L2 MID-L1
TRE-L
SUR2 SUR1
REC-L
SV_OUT-L
OP-OUT
OP-IN
PRE-VIN-L
POST-VM-R
BASS-R1
HARMIN HARMOUT GV-OUT-R
IN-L2
IN-L3
IN-L4
IN-L5
IN-L6
C2214
0
C2114
0
R2704 220K
C2704
470P
: FM/AM SIGNAL LINE
: CD SIGNAL LINE
: MAIN SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
C2113 0.01
C2213 0.01
C2124 0 C2224 0 C2134 0 C2234 0 C2154 0 C2254 0
C2161 0.01
C2261 0.01
C2581 16V100
C2582
16V100
R2282 0
C2201 1
C2195 0.47
R2145
10K
R2314
0
R2146
1K
R2313
100K
R2413
100K
C2181 1 C2182 1
R2702
1K
C
2
C
2
R2
3
5
6
R2703
220K
C2703 470P
Q2978
B1GDCFJJ0047
REC:ON/OFF CONTROL SWITCH
Q2980
B1GDCFJJ0047
SUPPLY CONTROL SWITCH
(DECK MOTOR)
Q2142
B1ABCF000176
AGC CONTROL SWITCH
Q2311,Q2411
B1ABGC000005
MUTING SWITCH
Q2242
B1ABCF000176
AGC CONTROL SWITCH
Q2511
B1GDCFJJ0047
MUTING CONTROL
Q2341,Q2441
B1ABGC000005
HEADPHONE MUTING
C2193 1
R2196 10K
R2195 10K
R2281 470
C2192 0.1
R2701
1K
C2273 0.01
C2274 0.01
C2271 0.15
C2272 0.12
C2402 0.22
C2401 0.12
C2302 0.22 C2301 0.22 C2172 0.082 C2171 0.1 C2174 0.01 C2173 0.01 C2183 0.22
R2183 1K R2182 0
C2101
1
R2181 470
C2175 3900P
IC2803
C1BB00001121
AUDIO SOUND PROCESSOR
R2301
15K
R2411
470
R2245
1K
R2247
100K
C2245
16V10
W2506
0
W2503
0
W2520
0
W2577
0
W2501
0
W2511
0
W2531
0
W2513
0
W2514
0
W2546
0
W2526
0
W2530
0
W2553
0
1/4
SA-AK240E/EB/EG MAIN CIRCUIT
SA-AK240E / SA-AK240EB / SA-AK240EG
63