21.3. (B) Main Circuit
1
2
3
4
5
6
1
2
3
4
5
6
10
8
7
9
15
14
13
12
11
10
2
4
6
8
9
7
5
3
1
30
29
28
27
26
25
17
19
21
23
24
22
20
18
16
D2850
B0BC9R000008
C2101
0.22
L2101
J0JBC0000041
L2819
J0JBC0000019
R2988
22
C2100
0.22
L2201
J0JBC0000041
L2100
J0JBC0000041
R2102
47K
C2102
1000P
R2200
47K
C2200
1000P
R2103
100
R2201
100
R2104
39K
R2202
39K
R2105
5.6K
R2203
5.6K
C2103
1000P
C2201
1000P
R2101
2.2
L2200
J0JBC0000041
R2992 0
R2975 0
R2204 47K
R2205
470
R2106 47K
R2107
470
R2259
18K
C2242
50V1
R2160 18K
C2145 50V1
C2903
0.01
R2161
12K
R2260
12K
C2146
1000P
C2243
1000P
R2630
0
R2631
0
R2207
0
C2202
50V47
R2109
0
C2104
50V47
R2208
100K
R2209
2.7K
C2203
50V47
R2110
100K
R2111
2.7K
C2105
50V47
R2855
1K
R2856
1K
R2857
56K
R2854
27K
C2855
50V4.7
R2860
0
R2164
3.3K
C2130
50V10
R2135
22K
R2140
12K
R2645
0
R2632
0
C2128
6800P
C2125
47P
R2137
22K
C2124
100P
R2136
10K
C2147
0.1
C2126
47P
R2138
10K
C2127
1
R2139
100K
R2240
100K
C2225
1
R2239
10K
C2224
47P
C2244
0.1
C2222
100P
R2236
10K
R2238
22K
C2223
47P
R2237
22K
R2634
0
R2633
0
C2227
50V10
R2262
3.3K
C2301
6800P
R2967 100K
R2244
12K
C2129
0.15
C2226
0.15
R2241
12K
R2143
12K
TUNER_GND
M+9V
TUNER_RCH
TUNER_DO/ST
TUNER_LCH
TUNER_SD
TUNER_DI
TUNER_CLK
PORT_SEL
TUN_R
+9V
TU_ST/DO
TUN_L
TU_SD
TU_SDA
TU_SCL
KA_CLK
KA_DAT
KA_LAT
ASP_DA
ASP_CK
VMUTE
MUTE_L
MUTE_H
HP_MUTE
MUTE_C
+9V
MUTE_SUR
SUB+BGND
MUTE_SUB
SPEA
VREF+
LED9V
MUTEA
+15V
REC_R
REC_L
AGND
PBR
PBL
MIC
MICGND
HPR
HPGND
HPL
KA_CLK
KA_DAT
KA_LAT
ASP_DA
ASP_CK
VMUTE
MUTE_L
MUTE_H
HP_MUTE
MUTE_C
+9V
MUTE_SUR
MUTE_SUB
SPEA
VREF+
LED9V
MUTEA
+15V
LINE_RIN
LINE_LIN
PBR
PBL
MIC
HPR
HPL
LED9V
+9V
AUX_L
AUX_R
MUTE_L
-9V
KA_LOUT
KA_ROUT
LINE_RIN
LINE_LIN
CN2808
JK2803
L
R
L
R
LINE OUT
AUX
CN2811
TO
TUNER
PACK
(ENG06802QF)
TO
PANEL
CIRCUIT
(CP6801) ON
SCHEMATIC
DIAGRAM - 21
FL
FL
-VCC
+VCC
FR
FR
Q2813
B1GFGCAA0001
MUTING SWITCH
Q2814
B1GDCFGA0014
MUTING SWITCH
IC2816
C0ABCB000052
QUAD OP-AMP
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 9
: -B SIGNAL LINE
: +B SIGNAL LINE
: AM/FM SIGNAL LINE
: AUX SIGNAL LINE
: RECORD SIGNAL LINE
: PLAYBACK SIGNAL LINE
: MIC SIGNAL LINE
: MAIN SIGNAL LINE
R2914
0
D5871
B0ACCK000005
1
2
13
14
3
12
4
11
5
10
6
9
7
8
88
SA-VK81DGCS / SA-VK81DGCP
Summary of Contents for SA-VK81DGCS
Page 10: ...10 Operation Procedures 10 SA VK81DGCS SA VK81DGCP ...
Page 11: ...11 SA VK81DGCS SA VK81DGCP ...
Page 12: ...11 Disc information 12 SA VK81DGCS SA VK81DGCP ...
Page 13: ...13 SA VK81DGCS SA VK81DGCP ...
Page 17: ...13 Procedure for repairing the set 17 SA VK81DGCS SA VK81DGCP ...
Page 42: ...42 SA VK81DGCS SA VK81DGCP ...
Page 45: ...45 SA VK81DGCS SA VK81DGCP ...
Page 46: ...46 SA VK81DGCS SA VK81DGCP ...
Page 48: ...48 SA VK81DGCS SA VK81DGCP ...
Page 49: ...49 SA VK81DGCS SA VK81DGCP ...
Page 50: ...50 SA VK81DGCS SA VK81DGCP ...
Page 51: ...51 SA VK81DGCS SA VK81DGCP ...
Page 52: ...52 SA VK81DGCS SA VK81DGCP ...
Page 53: ...53 SA VK81DGCS SA VK81DGCP ...
Page 54: ...54 SA VK81DGCS SA VK81DGCP ...
Page 55: ...55 SA VK81DGCS SA VK81DGCP ...
Page 56: ...56 SA VK81DGCS SA VK81DGCP ...
Page 57: ...57 SA VK81DGCS SA VK81DGCP ...
Page 59: ...59 SA VK81DGCS SA VK81DGCP ...
Page 130: ...130 SA VK81DGCS SA VK81DGCP ...
Page 133: ...133 SA VK81DGCS SA VK81DGCP ...
Page 134: ...134 SA VK81DGCS SA VK81DGCP ...
Page 136: ...26 3 Cabinet 26 3 1 Cabinet Parts Location 136 SA VK81DGCS SA VK81DGCP ...
Page 137: ...137 SA VK81DGCS SA VK81DGCP ...
Page 138: ...138 SA VK81DGCS SA VK81DGCP ...
Page 154: ...154 SA VK81DGCS SA VK81DGCP PRT0406 D K J N L ...