ViewSonic N3250wb-1G Service Manual page 50

8.2. VGA Interface
03.VGA Interface
P102
VGA_TX
11 1
6
12 2
7
13 3
8
VGA_RX
14 4
VGA5V
9
15 5
D100
10
DSUB-15
5.6V
VGA_CAB
R419 10K
D104 D105
5.6V 5.6V
D107 D108
5.6V 5.6V
原 改回
VCC 5VSB
5VSB
D109
1 2
1N4148WS
D139
VGA5V
1 2
1N4148WS
ViewSonic Corporation
R120
75
GVCC_VGA D101 D102 D103
BAV99 BAV99 BAV99
C174 C175
0.1U 0.1U
D106
1N4148WS
C176
HSI
0.1U R137
VSI
GVCC_VGA GVCC_VGA R139
R142 R143
3.3K 3.3K
DDC_SCL
DDC_SDA
R150 R151
100 100
GVCC_VGA
R152 R153
C177
I106 (NC)10K 0
0.1U
1 8
NC VCC
2 7
NC VCLK
3 6
NC SCL
4 5
GND SDA
24C21A R154
(NC)10K
47
N3250wb-1G
Confidential - Do Not Copy
R R116 C167 47n
47
G R117 C168 47n
47
B R118 C169 47n
47
R119 C170 1n
470
R122
75
R121
R- 75 R123 C171 47n
47
G- R125 C172 47n
47
B- R127 C173 47n
47
GVCC_VGA
R136 100 HS_RGB
HS_RGB P11
2.2K
R138 100 VS_RGB
VS_RGB P11
2.2K
TXD R146 0 VGA_TX
RXD R149 0 VGA_RX
VCC
VCC
TXD
TXD
RXD
RXD
HSI
RIN+ P11 HSI
VSI
GIN+ P11 VSI
VGA_CAB
BIN+ P11
VGA_CAB
SOG P11
RIN- P11
GIN- P11
BIN- P11
P2,8,9,10
P11
P11
P11