Read Panasonic SA-VKX80GA / SA-VKX80GC / SA-VKX80GS Service Manual online
118
15
16
17
18
19
20
21
22
23
24
25
26
27
28
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 6
SA-VKX80GA/GC/GS MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (1/8)
SECTION (1/8)
TO MAIN
SECTION (6/8)
SECTION (6/8)
TO MAIN
SECTION (3/8)
SECTION (3/8)
P1
P1
1
2
: +B SIGNAL LINE
: -B SIGNAL LINE
: AM SIGNAL LINE
: AM/FM SIGNAL LINE
: FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: TAPE AUDIO INPUT SIGNAL LINE
I
TO
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 18
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 18
1
17
PCONT
R2960
2.2K
+5V
R2961
2.2K
B1ABCF000176
PCONT SWITCH
Q2960
ASP_GND
MUTE_A
DC_DET2
B0ACCK000012
D2961
MODE_DA
F_HOP
D2962
B0ACCK000012
DGND
R2078
10K
LDIN
FL3.3V
TRAY_CCW_L
TRAY_CW_H
R2074
150K
R2077
150K
R2073
D2300
B0ACCK000012
R2061
0
CLIP_S
4.7M
R2057
B1ADCE000012
SWITCH
Q2050
R2062
1K
1
C2070
2.2K
R3509
2.2K
R3510
5600P
27K
C2072
R3508
20K
B1ADCE000012
SWITCH
Q3500
Q3501
2SD0601AHL
SWITCH
AGND
15K
R2424
C2421
0.33
0.33
C2420
R2423
15K
10
C2424
0.47
C2425
0.47
+12V
C2418
C2419
10
0
R2438
10K
C2431
0
10K
R2440
C2433
R2434
R2433
0
0
CN2401
AGND
AGND
AGND
SIGNAL_A_GND
SUBWOOFER
MOD_DA
NC
NC
DC_DET_AMP
AGND
FRONT L (TW)
FRONT R (TW)
FRONT L (WOOFER)
FRONT R (WOOFER)
MUTE_F_SW
FHOP
FAN
6
5
8
9
12
11
10
14
15
13
7
2
1
4
3
17
16
FAN
10
C2237
SUBWOOFER
R2436
4.7K
C2429
5600P
R2435
4.7K
C2428
5600P
C2432
0
R2439
10K
R2437
0
C2430
10K
B1ABCF000176
AMPLIFIER
Q2403
B1ABCF000176
AMPLIFIER
Q2402
C2412
0.047
R2420
4.7K
33K
C2417
10
R2416
3.3K
C2414
0.047
R2418
C2416
10
C2411
0.047
C2413
0.047
R2415
3.3K
R2419
4.7K
R2422
2.7K
4.7K
10V100
R2421
C2415
R2417
33K
B1ABCF000176
AMPLIFIER
Q2405
Q2404
B1ABCF000176
AMPLIFIER
470K
R2430
R2428
15K
R2432
4.7K
5600P
C2423
R2431
4.7K
R2429
470K
5600P
C2422
R2427
15K
0
K16...GC/GS
0
K17...GA
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