Panasonic SA-VK91DGCS Service Manual page 94

SA-VK91DGCS / SA-VK91DGCP
SCHEMATIC DIAGRAM - 14
MAIN CIRCUIT
8 7 6 5
IC2812
KIA4558FEL
DUAL OP-AMP IC
1 2 3 4
C2605
C2604
100P
1000P
R2603
82K
R5652 C2606 R2604
0 50V10 1K
Q2820
B1ABEB000001
MUTING SWITCH
R2222 R2225
22 22
R2223 R2224
22 22
C2216
1000P
R2162
C2873 C2118
0.01 0 1000P
R2124 R2126
22 22
C2117
R2123 R2125
16V47
22 22
: +B SIGNAL LINE
: -B SIGNAL LINE
R2877
56K
C2864
R2508
50V0.1
56K
R2885
1K
R2879
56K
C2865
50V4.7
R2261 R2337 R2226
0
0 4.7K
R2229
1K
6 1
R2129
1K
5 2
R2884
56K
4 3
Q2821
C2867
50V4.7
R2127
4.7K
R2643 R2644
0 0
Q2821
B1GFGCAA0001
MUTING SWITCH
: MAIN SIGNAL LINE
+9V
-9V
+15V
FR_L
FR_R
DCDET
MUTE_H
+9V
Q2822
R2864
0
MUTEA
R2876
56K
Q2823
R2882
0
MUTE_C
SUB+B
R2878
56K
Q2822 - 2824
B1GCCFGA0005
MUTING SWITCH
Q2824
R2865 +9V
0
HP_MUTE
-9V
R2883
CD8V
56K
SW5V
FAN
LED9V
MOT10V
R2227
10
HPR
HPL
R2128
+9V
10
94
R2220
68 1
+15V
FRL
3
FRR
4
AGND
R2996 1K AGND
6
LSURR
R2324 0
R2412 0 RSURR
8
CENTER
R2523 1.5K
9
R2612 0 SUBWOOFER
R2613 0
10
DCDET
11
MUTE_H
12
SUB+BGND
SUB+B
1
1
3
4
+9V
5
-9V
6
DIGITAL_GND
D5859
B0EAKM000117
+8V
8
SW5V
9
FAN
10
LED9V
11
MOT10V
12
2
TO
5
POWER CIRCUIT
(CP5801) ON
SCHEMATIC
7
DIAGRAM - 24
CN2801
TO
3 SPEAKER CIRCUIT
(W5810) ON
2
SCHEMATIC
DIAGRAM - 27
CN2814
2
TO
POWER CIRCUIT
(CP5802) ON
SCHEMATIC
7
DIAGRAM - 24
CN2802