10-9
10-9
AVC BOARD - CIRCUIT DIAGRAM (PART 1)
VOLUME I
RIGHT
SUR.
SOURCE
SUPPLY
POWER
SELECTOR
TREBLE
LEFT
VOLUME II
LOGIC
LEFT
REC
IIC BUS
BASS ALC
BASS
LEFT
VOLUME I
LEFT
SUR.
TREBLE
RIGHT
VOLUME II
RIGHT
BASS
RIGHT
1K
*
6K8
I
A
B
C
D
E
F
G
H
I
1130 C1
1150 B1
1180-A I1
1180-B G1
LX8000SA/22
LX7000SA/22
LX8000SA/37
*
Version
@
3180
@
1
2
3
4
5
6
7
8
9
10
11
DVD_L
12
13
1
2
3
4
3180
From Tuner module
10K
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
LX8200SA/22
@
LX8000SA/21
Version
2100 A3
2101 A3
2102 C4
2103 F2
2104 E3
2107 H2
2108 G4
2109 H3
2110 D9
2111 C9
2112 D9
2113 B8
2114 D10
2115 B10
2116 A10
2117 A11
4K7
DC voltage measured in DISC mode PLAY
2118 E13
2119 G6
2120 G6
2121 G6
2122 G5
2130 C6
2131 D6
2132 C7
2133 C7
2134 A6
2136 G5
2137 F11
2138 F12
2139 F12
2140 H4
2141 C1
2143 E12
2150 B3
LX7000SA/21
2151 B3
2152 D4
2153 F2
2154 F3
2157 I2
2158 I4
2159 I3
2160 G9
2161 H9
2162 G9
2163 I8
2164 G10
2165 I10
2166 I10
2167 I11
SIMPLE I.S.
2K2
*
2168 G13
2169 G7
2170 G7
2171 G7
2172 G7
2173 G1
2174 H1
2175 H6
2176 I6
2177 H7
2180 C1
2190 F2
2191 F2
2192 H2
2193 I2
3100 A2
3101 A2
3102 C3
3104 E2
3105 E3
3106 F3
3110 G2
3111 G3
3112 H3
3113 D9
SIMPLE I.S.
*
3114 C9
3115 C9
3116 B8
3117 B10
3118 B10
3119 D12
3120 D1
3121 D2
3122 D2
3123 D3
3124 C4
3130 C6
3131 E12
3132 F12
*
Provision in layout only
3133 H4
3134 I4
3135 H4
3136 I5
3140 D1
3141 D2
3142 D1
3143 D2
3150 B2
3151 B2
3152 D4
3153 D4
3154 F2
3155 F3
3156 F3
3160 I2
3161 I3
3162 I3
3163 G9
3164 H9
3165 H9
3166 I8
3167 I10
3168 I10
3169 G12
TV IN
3170 G5
3171 H6
3172 H7
3173 H7
3174 H8
3175 I7
3176 I5
3177 I6
3180 B12
3181 H2
3182 I2
4101 G5
4102 B7
4103 B7
6131 D6
7100 H3
7110 H6
7130 D8
7131 C6
7132 H4
7133 I5
7135 H7
7136 I7
LINE OUT
7150 I3
7160 I6
*
*
*
A_DVD
3101
GND_A
1180-A
YKC21-3427
3113
68p
2193
100p
2171
3150
47K
GND_A
TU_STEREO
2K2
GND_A
5K6
3165
10u
GND_A
GND_A
2162
3n3
220R
1B_R
GND_D
BC847BW
100p
2137
10n
470R
3160
3180
1K
A_HP
27K
3156
3
1
2
GND_D
2134
47u
2107
1n
GND_A
TU_CLK
2n2
2164
3123
10K
GND_A
47K
3174
3104
1K
3131
BC847BW
7150
3119
GND_A
3135
3117
8K2
100n
2102
15K
3173
7136
2166
330n
GND_A
3175
10K
15K
3176
1K
3170
1K
220R
TU_DATA
V
GND_A
2n2
3106
27K
22n
2133
2130
10K
3134
GND_A
BZX79-B10
6131
3116
10K
1n
2175
I2C_CLK
A_DVD
BC847BW
7110
3133
10u
2108
47K
47K
+5V_MUTE_1
3110
470R
3172
2158
3139 118 56960...8239_210_91846...for 3518 pt1 dd wk0315
2121
100p
1n
GND_A
GND_D
GND_A
100p
2119
2157
GND_A
3163
10K
3182
47K
4u7
2140
1180-B
YKC21-3427
6
4
5
100n
2139
150R
4K7
GND_A
3130
18K
3164
GND_D
2101
1u
GND_A
3n3
2112
2110
2177
4u7
3112
2K2
1n
2136
47K
3166
2165
220n
2169
100p
7
8
GND_A
2114
2n2
FE-BT-VK-N
1130
1
2
3
4
5
6
2132
22u
1K
3161
2
7
22
12
17
14
15
9
20
1
11
18
27
13
28
3
26
4
25
5
24
6
23
8
21
A_DVD
7130
TDA7468D
16
10
19
3177
2K2
GND_A
220K
2176
1n
GND_A
3153
7160
BC847BW
1K
3111
2180
1n
2174
GND_D
470p
GND_A
3136
47K
4102
V
GND_A
4103
1n
2173
4101
GND_A
TU_ENABLE
2138
2191
68p
1n
100p
2104
1u
GND_A
2161
2117
470n
BC547B
7131
7100
BC847BW
BC857BW
7135
2K2
3171
GND_A
I2C_DATA
+12A
GND_A
3154
100n
2141
100p
GND_A
4K7
3105
2K7
2172
1K
3152
10n
2160
2103
100p
GND_A
10K
3120
100R
3140
47K
3181
3132
1K
BC857BW
7132
2K7
3155
5K6
3115
+D
100p
2153
470n
5K6
3118
2167
470n
GND_A
GND_A
1u
1B_L
2113
2115
220n
2154
1
GND_A
GND_A
GND_A
3169
RT-01T
1150
A_TU
GND_A
100p
2109
1n
2K2
3100
2120
A_TU
100R
3143
8K2
3167
GND_A
GND_A
GND_A
GND_A
1n
2159
2122
100p
GND_D
2131
220u
68p
2190
GND_A
A_DVD
1u
2151
DVD_R
GND_A
GND_A
+12A
3124
220K
GND_D
GND_C
2111
1n
100R
3141
GND_S
GND_A
10K
3122
A_TU
330n
2116
1K
3102
470n
2163
2118
1n
2192
68p
GND_A
100R
3142
3K3
3151
3K3
2170
100p
5K6
3168
2150
1n
18K
3114
A_DVD
A_TU
GND_A
GND_A
2152
100n
3121
10K
GND_A
7133
BC847BW
1n
2168
GND_A
3162
2143
470n
GND_A
2K2
MUTE_SCART
MUTE_DVD
LO_L
LO_R
1n
2100
+5V_MUTE_1
MUX_L
MUX_R
MUTE_DVD
LINE_L
LINE_R
LINE_R
MUTE_LO
VREF
LINE_L
+9V4
TU_LEFT
TU_Right
Note : Some values may varies, see respective
parts list for correct value.
AVC Circuit Diagram (Part 1)
- 0.5V
0V
0V
- 0.5V
4.9V
- 0.5V
0V
4.9V
4.9V
12.3V
9.5V
10.1V
0V
0V
- 0.5V
- 0.5V
0V
4.9V
4.9V
- 0.5V
4.9V
4.7V
4.7V
4.7V
4.7V
4.7V
9.5V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.7V
4.9V
4.9V
4.7V
4.7V
4.7V
4.7V