ViewSonic VLCDS25973-2W Service Manual page 75

AESD_5V
R233
D4 D5 33R/NC
1PS226 1PS226
1 1
GND
VGA_SCL
VGA_SDA
VGA_VS
VGA_HS
AESD_5V
D6
1
1PS226
GND
15 5
10
14 4
9
13 3
8
12 2
7
11 1
6
CN1 DB15 HD F
GND
ViewSonic Corporation
VGA_5V
VCC
U5
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
24LC21A
GND
ANALOG DDC
R39 22R VGASCL
R41 22R VGASDA
R43 22R
R44 22R
+3.3V
R328 C34
R329
D7
0.1uF
1
2K2
2K2
GND
1PS226
U14A
GND GND C148
22pF
VGA_5V GND
A_BLU
A_GRN
A_RED
AESD_5V
D8 D9
C33
1
0.1uF
1PS226 1PS226 1PS226
GND
Confidential - Do Not Copy
72
VCC
D3 BAT54C
2 3
1 2
3 ADDC_5V
C24
R37 R38
0.1uF
GND 4K7 4K7
R278 22
74HCT126
U14B
C147
5 6
22pF
GND
HV_SEL1
2 3
AHSYNC
74HCT126
R139 0R R117
R138 0R R118
R137 0R R119
R127 R128 R129
75R1% 75R1% 75R1%
D10 GND GND GND
Near VGA pins
1 1
VP191b/s-1/-2
R40 22R
R42 22R
R272 4K7 R273
R274 0R/NC 0R/NC
R276
R275 Q17
2K2
4K7 DTC144 DTC144
C172
0.1uF
GND GND
VCC
0R
VGA_B1
0R
VGA_G1
0R
VGA_R1
R130
HV_SEL
1K
ViewSonic Corporation
Title
GM5321 for VP series
Size Document Number
VGA2 INPUT
Wednesday, January 12, 2005
Date:
DDC_SCL_VGA1
DDC_SDA_VGA1
AVSYNC
Q16 R277 2K2
EDID_WP
C173
0.1uF
R131
HV_SEL1
4K7
C115
0.1uF Q1
DTC144
GND
Rev
D1
Sheet 4 of 9