18.3. (B) Main Circuit
N
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
48
49
50
51
52
53
54
55
56
9
34
24
47
10
33
25
46
11
32
12
31
26
45
27
44
13
30
14
29
28
43
IC2803
C1BB00001121
AUDIO SOUND PROCESSOR
IC2804
C0AABB0001
IC OP AMP
C2212
1
C2112
1
C2976
16V10
C2232
1
C2132
1
C2222
1
C2122
1
D2191
D2583
B0BC9R000008
R2181
470
R2183
1K
C2181
1
C2182
1
C2183
0.22
C21
13
0.01
C2213
0.01
PB_L
PB_R
GND
REC_IN_L
REC_IN_R
+B
W2503
0
W2520
0
1
2
3
4
5
6
14
12
10
8
7
9
11
13
C2175
3300P
C2173
0.01
C2174
0.01
C2583
16V100
C2509
16V33
R2509
560
REC_H
MO+B
MO_GND
NC
DECK1_H
NC
MOTOR
NC
C2171
0.1
C2172
0.068
C2301
0.22
C2302
0.22
R2401
15K
R2311
4.7K
R2312
27K
R2412
27K
R2355
270K
C2442
1
C2342
1
C2312
1
R2455
270K
R2314
0
R2145
10K
R2146
1K
R2701
1K
W2511
0
R2703 220K
R2413
100K
R2245
10K
R2313
100K
C2401
0.22
C2311
1
C2402
0.22
C2272
0.1
C2192
0.1
R2195
10K
R2281
470
R2282
0
R2193
4.7K
R2283
100K
C2283
0.047
R2194
100K
C2194
0.15
C2271
0.15
C2274
0.01
C2273
0.01
C2275
3300P
C2588
0.1
C2585
220P
R2585
330K
R2510
220
C2584
220P
R2512
100K
R2511
2.2K
C2511
50V2.2
R2411
4.7K
R2414
0
R2246
1K
D2241
B0ACCK000005
R2247
100K
C2245
16V10
C2411
1
C2313 47P
C2413
47P
C2414 10P
C2314
C2706
50V1
R23
56
R2706
3.3K
C2412
1
R2586
1.2K
R2584
330K
W2546
0
W2526
0
R2587
1.2K
R2508
1K
R2504
100
R2501
330K
R2102
3.3K
R2202
3.3K
R2503
2.7K
R2502
82K
C2507
0.22
C2503
1
C2501
1
R2507
100K
MUTE_A
ASP_DA
+15V
ASP_CLK
SW15V
A_GND
+15V
SW5V
MOT_12V
P_GND
LM_1
-9V
A_GND
HP_R
HP_L
R2203
2.2K
D2503
B0ADCC000002
REC[59]
MTR[58]
DECK_H
R2675
Q2978
B1GDCFJJ0047
REC:ON/OFF CONTROL SWITCH
Q2980
B1GDCFJJ0047
SUPPLY CONTROL SWITCH
(DECK MOTOR)
Q2501
B1ABCF000176
LEVEL METER
CONTROL SWITCH
R2248
6.8K
2
3
4
7
6
5
R2702
1K
Q2341,Q2441
B1ABCF000176
HEADPHONE MUTING
R2345
10K
R2445
10K
R2357
100K
R2457
100K
C2344 0.47
C2444 0.47
R2447
1
R2446
3.3K
R2346
3.3K
R2347
1
R
R
R2442
0
R2444
0
R
R
R2342
0
R2344
0
Q2511
B1GDCFJJ0047
MUTING CONTROL
Q2980
R2173
4.7K
R2172
8.2K
R2196
10K
R2273
4.7K
R2271
6.8K
CN2803
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
: +B SIGNAL
: -B SIGNAL
TO
DECK
CIRCUIT
(CN1001) ON
SCHEMATIC
DIAGRAM-7
R2211
2.2K
C2252
1
R2111
2.2K
C2254
0
R2104
27K
R2103
2.2K
R2204
27K
R2674
47K
W2553
0
R2673
47K
R2672
10K
R2671
10K
C2191
50V4.7
C2282
1
C2281
1
B0ACCK000005
C2121
R2122
3.3K
R2222
3.3K
R2221
R2121
3.3K
TUNER RCH
3.3K
3000P
C2221
3000P
C2114
0
C2152
1
C2154
0
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-FL
T-OUT
HB-A
TT
-IN
HB-A
TT
-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
W2501
0
R2182
0
R2704
220K
W2514
0
W2531
0
W2513
0
W2530
0
: FM/AM SIGNAL LINE
: CD SIGNAL LINE
: MAIN SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
Q2142
B1ABCF000176
AGC CONTROL SWITCH
Q2311,Q2411
B1ABCF000176
MUTING SWITCH
Q2242
B1ABCF000176
AGC CONTROL SWITCH
Q2311
Q2411
Q2341
Q2441
Q2511
C2124
0
C2224
0
C2134
0
C2234
0
C2161 0.01
C2261 0.01
C2581 16V100
W2506
0
C2101
1
C2582
16V100
C2201 1
C2193
1
R2505
0
R2301
15K
C2195
0.47
R2145
56K
SA-AK340P / SA-AK340PC
61
Summary of Contents for SA-AK340P
Page 9: ...6 Accessories Remote Control FM Indoor Antenna AC Cord AM Loop Antenna 9 SA AK340P SA AK340PC ...
Page 10: ...7 Operation Procedures 10 SA AK340P SA AK340PC ...
Page 11: ...11 SA AK340P SA AK340PC ...
Page 23: ...10 3 Main Parts Location 23 SA AK340P SA AK340PC ...
Page 34: ...34 SA AK340P SA AK340PC ...
Page 40: ...12 2 Checking and Repairing of Transformer P C B 40 SA AK340P SA AK340PC ...
Page 41: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 41 SA AK340P SA AK340PC ...
Page 42: ...12 4 Checking and Repairing of Power P C B 42 SA AK340P SA AK340PC ...
Page 47: ...14 2 Power P C B and Transformer P C B 47 SA AK340P SA AK340PC ...
Page 48: ...14 3 Waveform Chart 48 SA AK340P SA AK340PC ...
Page 56: ...56 SA AK340P SA AK340PC ...
Page 58: ...SA AK340P SA AK340PC 58 ...
Page 60: ...SA AK340P SA AK340PC 60 ...
Page 66: ...SA AK340P SA AK340PC 66 ...
Page 68: ...SA AK340P SA AK340PC 68 ...
Page 72: ...SA AK340P SA AK340PC 72 ...
Page 80: ...SA AK340P SA AK340PC 80 ...
Page 84: ...84 SA AK340P SA AK340PC ...
Page 85: ...21 Exploded Views 21 1 Cabinet Parts Location SA AK340P SA AK340PC 85 ...
Page 86: ...SA AK340P SA AK340PC 86 ...
Page 87: ...SA AK340P SA AK340PC 87 ...