B) Main Circuit - Panasonic SA-VK91DGCS Service Manual

21.3. (B) Main Circuit

SCHEMATIC DIAGRAM - 9
MAIN CIRCUIT
TUNER_GND
10
M+9V
9
8
TUNER_RCH
TO 7
TUNER_DO/ST
TUNER
6
TUNER_LCH C2145
PACK
5
(ENG06802QF) TUNER_SD
4
TUNER_DI
3
TUNER_CLK
2
PORT_SEL
1
C2903
CN2808
0.01
J0JBC0000041
L
C2100
R2988
0.22
22 J0JBC0000019
LINE OUT
R
J0JBC0000041
J0JBC0000041
L
AUX
J0JBC0000041
R
JK2803
KA_CLK
1
KA_DAT
2
KA_LAT
3
ASP_DA
4
ASP_CK
5
VMUTE
D5871
6
B0ACCK000005
MUTE_L
7
MUTE_H
8
HP_MUTE
9
MUTE_C
10
+9V
11
MUTE_SUR
12
13
TO
SUB+BGND
14
PANEL
MUTE_SUB
CIRCUIT
15
SPEA
(CP6801) ON
16
VREF+
SCHEMATIC
17
DIAGRAM - 21
LED9V
18
MUTEA
19
+15V
20
REC_R
21
REC_L
22
AGND
23
PBR
24
PBL
25
MIC
26
MICGND
27
HPR
28
HPGND
29
HPL
30
CN2811
: +B SIGNAL LINE
: -B SIGNAL LINE
D2850
B0BC9R000008
C2242
R2259
50V1
18K
TU_ST/DO
50V1 R2160 18K
R2161 C2146 R2260 C2243
12K 12K 1000P
1000P
C2101
0.22
L2101 R2103
100
R2102 C2102
L2819
47K 1000P
R2200 C2200
47K 1000P
L2201
R2201
100
L2100 R2104
33K
C2103 R2105
R2101
1000P 5.6K
2.2
C2201 R2203
L2200
1000P 5.6K
R2202
33K
HP_MUTE
MUTE_SUR
MUTE_SUB
R2992 0
R2975 0
R2204 47K
R2106 47K
R2107 R2205
470
470
: MIC SIGNAL LINE
: AUX SIGNAL LINE
: AM/FM SIGNAL LINE
+9V
TUN_R
TUN_L
TU_SD
TU_SDA
TU_SCL
C2202
R2207 R2631
50V47
0 0
Q2813
B1GFGCAA0001
MUTING SWITCH
C2104
R2109
50V47
0
AUX_L
R2860
0
MUTE_L
AUX_R
C2855
16V10
Q2814
B1GDCFGA0014
MUTING SWITCH
KA_CLK
-9V
KA_DAT
KA_LAT
ASP_DA
ASP_CK
KA_LOUT
VMUTE
MUTE_L C2130
R2164
3.3K 50V10
MUTE_H
R2140
12K
MUTE_C
+9V
R2645
0
R2632
0
SPEA
C2128
6800P
VREF+
LED9V
MUTEA
+15V
LINE_RIN
LINE_LIN
PBR
PBL
MIC
C2227
R2262 R2633
HPR
50V10
3.3K 0
KA_ROUT
HPL
LED9V
C2301
6800P
R2967 100K
89
SA-VK91DGCS / SA-VK91DGCP
: MAIN SIGNAL LINE
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
R2630
0
R2209
2.7K
R2208
100K
R2110
R2111
100K
2.7K
R2855
1K
R2856
1K
R2857
56K
C2125
R2135
47P
22K
C2124
R2137
100P
22K
C2147
0.1
R2136
10K
8 9 10 11 12
-VCC
FL FL
IC2816
C0ABCB000052
QUAD OP-AMP
FR FR
+VCC
7 6 5 4 3
R2236
10K
R2238
22K
C2222
R2634 R2237 100P
C2223
0 22K
47P
C2226
R2241
R2244
0.15 12K
12K
C2129
R2143
0.15
12K
C2203
50V47
LINE_RIN
C2105
50V47
LINE_LIN
C2126
47P
C2127
R2138
1
5.6K
13 14
2 1
C2225
1
R2239
10K
C2224
47P