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20.3. (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
50V1
PACK
5
(ENG07802QF)
TUNER_SD
4
TUNER_DI
3
TUNER_CLK
2
PORT_SEL
1
C2903
CN2808
0.01
C2101
0.22
L2101
J0JBC0000041
L
C2100
R2988
L2819
0.22
2.2
J0JBC0000019
LINE OUT
R
L2201
J0JBC0000041
L2100
J0JBC0000041
L
R2101
AUX
L2200
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
R2247
PBR
24
R2148
PBL
25
MIC
26
MICGND
27
HPR
28
HPGND
29
HPL
30
R2107
R2205
CN2811
470
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: +B SIGNAL LINE
: -B SIGNAL LINE
D2850
B0BC9R000008
+9V
C2242
R2259
50V1
18K
TUN_R
TU_ST/DO
TUN_L
R2160
18K
TU_SD
TU_SDA
TU_SCL
R2161
R2260
C2243
C2146
12K
1000P
12K
1000P
R2103
100
R2102
C2102
47K
1000P
R2200
C2200
47K
1000P
R2201
100
R2104
39K
AUX_L
C2103
R2105
1000P
5.6K
2.2
C2201
R2203
1000P
5.6K
AUX_R
R2202
33K
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+
R2992
0
LED9V
R2975
0
MUTEA
+15V
R2204
33K
LINE_RIN
LINE_LIN
R2106
33K
8.2K
PBR
8.2K
PBL
MIC
HPR
HPL
LED9V
R2171
R2268
470
15K
15K
: MIC SIGNAL LINE
: MAIN SIGNAL LINE
: AUX SIGNAL LINE
: PLAYBACK SIGNAL LINE
: AM/FM SIGNAL LINE
: RECORD SIGNAL LINE
C2202
R2207
R2631
R2630
50V47
0
0
0
Q2813
B1GFGCAA0001
MUTING SWITCH
C2104
R2109
50V47
0
+9V
R2856
R2860
1K
1K
MUTE_L
C2855
R2857
16V10
56K
Q2814
B1GDCFGA0014
MUTING SWITCH
-9V
KA_LOUT
R2164
C2130
R2135
3.3K
50V10
22K
R2140
12K
R2645
0
R2632
0
C2128
6800P
C2227
R2262
R2633
R2634
R2237
50V10
3.3K
0
0
22K
KA_ROUT
R2244
12K
C2301
C2129
6800P
0.15
R2967
100K
87
C2203
R2209
50V47
2.7K
LINE_RIN
R2208
100K
R2110
C2105
R2111
100K
50V47
2.7K
LINE_LIN
R2855
1K
C2125
47P
C2124
C2126
R2137
100P
47P
22K
C2147
0.1
R2138
C2127
R2136
5.6K
1
10K
8
9
10
11
12
13
14
-VCC
FL
FL
IC2816
C0ABCB000052
QUAD OP-AMP
FR
FR
+VCC
7
6
5
4
3
2
1
C2225
1
R2236
10K
R2239
R2238
5.6K
22K
C2224
C2222
47P
100P
C2223
47P
C2226
R2241
0.15
12K
R2143
12K
SA-VK81DEE
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