Circuit Diagram (Part 1) - Philips LX7100SA/22 Service Manual

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