Haier LD42U7000, Service Manual

Page: 38 / 59

38
10. Schematic Diagram
10.1 Main Board
715G6250M0D0000040
1
）
VGA,YPbPr,AV In & Audio In
2
1
4
3
5
6
A
B
C
CN104
RCA JACK
VGA-Rin 11
AVLOUT
VGA-Gin 11
R1101
0R05 1/16W
Audio_L
1 2 ZD103 MLVG0402
VGA-Rin 1 2 ZD104 MLVG0402
VGA-Gin 1 2 ZD105 MLVG0402
1 2 ZD106 MLVG0402
VGA-Bin
1 2 ZD107 MLVG0402 PC_SDA
PC_SCL
1 2 ZD108 MLVG0402
1 2 ZD109 MLVG0402
1 2 ZD110 MLVG0402
PC_VSY NC
PC_HSY NC
VGA-Bin 11
Close to Mstar IC
Pr
R102 10K 1/16W
R123
75R 1/16W 1%
Q102
MMBT3904
Video Out OP
+5V_Standby
+5V_Normal
R146
75R 1/16W 1%
R134
470R 1/16W 1%
R148
75R 1/10W 1%
AV2_IN 11
Q101
MMBT3906
C105 NC
+5V_Normal
R120 75R 1/16W 1%
CVBS Line Output(Side)
Y PbPr_Pr 11
R109 75R 1/16W 1%
R137
20K 1/16W
R149
12K 1/16W
Close to Mstar IC
C113
100N 16V
R145
75R 1/16W 1%
C114
10uF 10V
CVBS1_OUT 11
Audio_L
R1113
47K 1/10W 5%
R1115
8.2K1/10W
R1110
4.7K 1/10W
AV_AUOUTR1 11
AV2-Rin 11
+OP_VCC
C107 330P 50V
Q107
MMBT3904
C170
2.2UF 16V
+OP_VCC
AV2-Lin
R124 12K 1/16W
AV2-Rin
C108 560PF 50V
AV2-Lin 11
R122 10K 1/16W
R121 10K 1/16W
VGA_HSY NC 11
VGA_VSY NC 11
R110 2K2 +-1% 1/16W
R111 2K2 +-1% 1/16W
AV2_R
AV2_L
1 2 ZD113 MLVG0402
1 2 ZD112 MLVG0402
AV2_V 1 2 ZD111 MLVG0402
R1106
0R05 1/16W
C173
2.2UF 16V
R1100
0R05 1/16W
R1109
100R 1/10W 5%
2
1
4
3
5
6
A
B
C
CN103
RCA JACK
PC_SCL
PC_VSY NC
PC_HSY NC
PC_SDA
AV_AUOUTL1 11
VGA-Rin
Close to Mstar IC
R1112
47K 1/10W 5%
R1114
8.2K1/10W
R1111
4.7K 1/10W
1
7
2
8
3
9
4
10
5 11
12
13
14
15
17
16
6
CN101
CONN
R1107
100R 1/10W 5%
+OP_VCC
Q108
MMBT3904
+OP_VCC
VGA-Bin
R118
12K 1/16W
AVROUT
AVOUT-V
1
2
4
5
3
CN105
PHONE JACK
AVLOUT
2
1
4
3
A
B
CN102
RCA JACK
HD_LIN
R107 75R 1/16W 1%
R106 75R 1/16W 1%
AVROUT
AV2_R
PC & YPbPr & AV2
Audio-Input(Down)
Place close to connector
+12V_Normal
AV1 Input(Side)
1 2 ZD116 MLVG0402
YPbPr & AV2 Input(Down)
Pb
1 2 ZD114 MLVG0402
Pr
Y
1 2 ZD115 MLVG0402
C101
330P 50V
VGA-Gin
Audio_R
C102
560PF 50V
R101 100R 1/16W 1%
VGA_SDA
VGA_VSY NC
VGA_HSY NC
VGA_SCL
R104 100R 1/16W 1%
R105 100R 1/16W 1%
R108 100R 1/16W 1%
R103 10K 1/16W
R1108
100R 1/10W 5%
C171
1uF 25V
C172
1uF 25V
C169
100N 50V
AV1 11
C106 NC
AV2_V
R117 10K 1/16W
+OP_VCC
C109 NC
C112 NC
0513
Audio_R R116 10K 1/16W HD_RIN
Pb
C104
560PF 50V
0513
R119
12K 1/16W
C103
330P 50V
R125
75R 1/16W 1%
R127
75R 1/16W 1%
3
1
2
D101
BAT54CH
0513
C110 330P 50V
AV2_L
R1116 0R05 1/16W Y
1 2 ZD102 MLVG0402
R199 0R05 1/16W
C111 560PF 50V
R1117 0R05 1/16W
Y PbPr_Y 11
Y PbPr_Pb 11
0513
R126 12K 1/16W
UART-TX 14
UART-RX 14
HD_RIN 11
HD_LIN 11
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
B
C
3 18 Tuesday , July 23, 2013
715G6250-M0B-000-0040
<
称爹
>
03-VGA,YPbPr,AV In & Audio In
G6250-M0B-000-0040-1-12XXXX
R1104 0R05 1/16W
VGA Input (Down)