Service manual

19″ LCD Monitor Wipro WA19W
19
6. Schematic
6.1 Main Board
715G2883 1 6
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
17 16
CN101
DB15
R120 10K 1/16W 5%
I/O1
1
GND
2
I/O2
3
I/O3
4
VDD
5
I/O4
6
U105
AZC099-04S
Q101
NC
ESD_VCC
ESD_VCC
ESD_VCC1ESD_VCC2 ESD_VCC1
DSUB_SCLDDC1_SCL
CMVCC1 DVI_5V
C121
1000pF
Prevent NC contact Discharge
=> Connect NC Pin of CN101
to GND
Change VCC of U103 ~ U107
from MVCC to ESD_VCC to
prevent without VCC issue.
VGA_R-
DSUB_B+ 2
R140
NC
OEM MOD EL Size
Rev
Date
Sheet
of
TPV MOD EL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹 F
B
26Tuesday , March 03, 2009
2.0.INPUT
G2883-1-6
DVI_5V
I/O1
1
GND
2
I/O2
3
I/O3
4
VDD
5
I/O4
6
U104
AZC099-04S
DSUB_SCL
DSUB_SDA
FB108
300 OHM
C101
NC
I/O1
1
GND
2
I/O2
3
I/O3
4
VDD
5
I/O4
6
U103
AZC099-04S
VGA_R+ VGA_B+
VGA_G+
Exchange pin.1 and pin.3 of U105
and U106 easy to EMI layout.
V_Sy nc
VGA_G-
I/O1
1
GND
2
I/O2
3
I/O3
4
VDD
5
I/O4
6
U106
AZC 099-04S
DDC1_SDA
DSUB_SDA
H_Sy nc
DDC1_SCL
DDC2_SDA
DDC2_SCL
715G2883-1-6
FB104
300 OHM
ESD_VCC
I/O1
1
GND
2
I/O2
3
I/O3
4
VDD
5
I/O4
6
U107
AZC099-04S
C120
NC
H_Sy nc
FB105
300 OHM
DSUB_B- 2
DSUB_SOG 2
DSUB_G+ 2
DSUB_R+ 2
DSUB_R- 2
DSUB_G- 2
DSUB_H 2
3
1 2
D109
BAT54C
DSUB_V 2
DDC2_SCL 2
DDC2_SDA 2
RX0P 2
MVCC _1
RX0N 2
RX1N 2
RX1P 2
RX2P 2
RX2N 2
RXCP 2
RXCN 2
DDC1_SCL2
DDC1_SDA2
DDC1_SDA
VGA_B-
DET_CABLE
2
DDC_WP
2
1 2 FB107
300 OHM
ESD_VCC2 ESD_VCC1
DDC_WP
2
DAT2-
1
DAT2+
2
2/4shield
3
DAT4-
4
DAT4+
5
DDC SCL
6
DDC SDA
7
VSY N C
8
DAT1-
9
DAT1+
10
1/3shield
11
DAT3-
12
DAT3+
13
+5V
14
SY N C GND
15
HPD
16
DAT0-
17
DAT0+
18
0/5shield
19
DAT5-
20
DAT5+
21
clk shield
22
clk+
23
clk-
24
GND
26
GND
25
CN102
JACK
R104 1K 1/16W 5%
R138
4K7 1/16W 5%
FB109
300 OHM
DDC2_SDA
C113
5pF/50V
DSUB5V
V_Sy nc
ZD105
RLZ5.6B
1 2
FB102
BEAD
R125
4K7 1/16W 5%
VGA_PLUG
RX1P
R124
4K7 1/16W 5%
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U102
NC/M24C02-WMN6TP
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U101
NC/M24C02-WMN6TP
C124
0.1uF 16V
VCC 3. 3
VGA_R+
DDC2_SCL
VGA_B+
RX2P
R137
4K7 1/16W 5%
DSUB_5V
VGA_PLUG
VGA_G-
R122
NC
C107
NC
HDCP_CTRL
2
3
1 2
D108
BAT54C
ESD_VCC divided into
ESD_VCC
、 ESD_VCC1 and ESD_VCC2
as EMI request.Alter the
location of FB108 and add FB109
for EMI.
R139 6K8 1/16W 5%
R127 10R 1/16W 5%
R111 100R 1/16W 5%
R101
100R 1/16W 5%
C114
0.047uF
R112
75R 1/16W 5%
VGA_G+
RX0N
DVI_5V
C106
0.047uF
ESD_VCC
VGA_R-
R129 10R 1/16W 5%
3
1 2
D104
BAT54C
R135 10K 1/16W 5%
DGND
R134 10R 1/16W 5%
C103
22pF
C104
22pF
C110
0.047uF
C122
1000pF
ZD104
RLZ5.6B
R121
NC
VGA_B-
R131 10R 1/16W 5%
R136
10K 1/16W 5%
R103 1K 1/16W 5%
1 2
FB103
BEAD
R126 10R 1/16W 5%
R119 100R 1/16W 5%
R105 100R 1/16W 5%
R123
10K 1/16W 5%
C111
0.047uF
VGA_G+
R108
75R 1/16W 5%
VGA_B+
R115 100R 1/16W 5%
RXCN
CMVCC
RX1N
DSUB5V
R117 100R 1/16W 5%
C117
0.22uF16V
C115
0.1uF/16V
R110 NC
C109
5pF/50V
R116
75R 1/16W 5%
R128 10R 1/16W 5%
R106
2K2 1/16W 5%
RX0P
C108
0.047uF
C118
NC
VGA_R+
C119
NC
R109 100R 1/16W 5%R107
2K2 1/16W 5%
C112
NC
DVI_HPD
C102
0.047uF
R102 0R05 1/10W 5%
1 2
FB101
BEAD
RX2N
R133
10K 1/16W 5%
R130 10R 1/16W 5%
R132 10R 1/16W 5%
RXCP
R113
100R 1/16W 5%
R114 100R 1/16W 5%
C116
0.22uF16V
GND POWER
DVI_HPD
C105
5pF/50V
R118 100R 1/16W 5%