ViewSonic VA712b-1 Service Manual page 77

D_Sub INPUT
GRAI
GGAI
GBAI
G_HSYNC
G_VSYNC
GSDAI
GSCLI
0603220KV05T/RoHS 0603220KV05T/RoHS
0603220KV05T/RoHS 0603220KV05T/RoHS 0603/75R/1% 0603/75R/1%
C13 C13 C14 C14 C15 C15 C16 C16 R17 R17
0603220KV05T/RoHS 0603220KV05T/RoHS
0603220KV05T/RoHS 0603220KV05T/RoHS
0603100KV05T 0603100KV05T
ViewSonic Corporation
TXD1 TXD1 TXD
TXD
TXD
1
TP
C4 C4
TP TP
RXD1 RXD1
RXD 0603220KV05T/RoHS 0603220KV05T/RoHS
1
TP
TP TP
L1 L1
0603/100R/5% 0603/100R/5%
L2 L2 0603/100R/5% 0603/100R/5%
L3 L3 0603/100R/5% 0603/100R/5%
0603/75R/1% 0603/75R/1% 0603/75R/1% 0603/75R/1%
R18 R18
C17 C17 C18 C18 R19 R19 C19 C19 C20 C20 C21 C21 C22 C22
OPEN OPEN OPEN OPEN OPEN OPEN
0603100KV05T 0603100KV05T 0603100KV05T 0603100KV05T
HSYNC
HSYNC
Confidential - Do Not Copy VA712-1_VA712b-1
74
JP1 JP1
GRAI
11 1
6
GSDAI GGAI
12 2
7
G_HSYNC GBAI
13 3
8
G_VSYNC RXD
14 4
RXD
VGA_5V
9
GSCLI 15 5
C5 C5
10
89263-6762 89263-6762
0603220KV05T/RoHS 0603220KV05T/RoHS
R6 R6
BK1608HS121 BK1608HS121
R8 R8 BK1608HS121 BK1608HS121
R10 R10 BK1608HS121 BK1608HS121
R12 R12 0603/100R/5% 0603/100R/5%
VGA_5V
R13 R13 0603/100R/5% 0603/100R/5%
R189 R189
0603/3.9K/5% 0603/3.9K/5%
VGA_EDID_5V
U2 U2
VCC
7
VCLK
NC1
R16 R16 0603/10K/5% 0603/10K/5%
6
SCL NC2
5
SDA NC3
R20 R20
0603/10K/5% 0603/10K/5%
GND
0603/100R/5% 0603/100R/5%
AT24C02-10T1-2.7 AT24C02-10T1-2.7
R21 R21 R22 R22
R169 R169
0603/100R/5% 0603/100R/5%
0603/47K/5% 0603/47K/5%
DDC_SCL DDC_SDA
V33A
V33A
U3 U3 C23 C23 0603/1u/10V/Y/RoHS 0603/1u/10V/Y/RoHS
1 14
1A Vcc
G_VSYNC
2 13
1Y 6A
3 12
2A 6Y
4 11
2Y 5A
5 10 R119 R119
3A 5Y
6 09
3Y 4A OPEN OPEN
7 08
GND 4Y
VSYNC
SN74LV14APWR SN74LV14APWR
G_HSYNC
[Schmitt Trigger]
R120 R120
OPEN OPEN
C6 C6 0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
RED+
C7 C7
0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
R7 R7 0603/57.6R/1% 0603/57.6R/1% RED-
C8 C8 0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
GREEN+
C9 C9 0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
R9 R9 GREEN-
0603/57.6R/1% 0603/57.6R/1%
C10 C10
0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
BLUE+
C11 C11 0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
R11 R11 BLUE-
0603/57.6R/1% 0603/57.6R/1%
G_HSYNC
G_VSYNC
VGA_EDID_5V
D3 D3
1N4148WS 1N4148WS
2 1
V5A
2 1
VGA_5V
D4 D4 1N4148WS 1N4148WS
8
1
C12 C12
2
3
0603/100n/25V/Y 0603/100n/25V/Y
4
VSYNC
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-