![ViewSonic VA721 - 17](http://html1.mh-extra.com/html/viewsonic/va721-17-lcd-monitor/va721-17-lcd-monitor_service-manual_1020969007.webp)
15. 1024 x 768 @ 70Hz, 56.5kHz
17. 1024 x 768 @ 75Hz, 60.0kHz
18. 1024 x 768 @ 85Hz, 68.67kHz
19. 1280 x 1024 @ 60Hz, 63.4kHz
20. 1280 x 1024 @ 75Hz, 79.97kHz
21. 1280x720 @ 60Hz, 45kHz
2.3.
D-SUB CONNECTOR
D-SUB 15 PIN CONNECTOR
1.R 6.GND
11.NC
2.G 7.GND
12.SDA
3.B 8.GND
13.H.SYNC
4.NC 9.
+5V
14.V.SYNC
5.GND 10.GND
15.SCL
SIGNAL LEVEL
CONNECTOR
SIGNAL DESCRIPTION
R
RED
0.7vp-p(VIDEO)
G
GREEN
0.7vp-p(VIDEO)
B
BLUE
0.7vp-p(VIDEO)
H
H/SYNC
TTL positive or negative
V
V/SYNC
TTL positive or negative
SDA
DDC1/2B
TTL
SCL
DDC1/2B
TTL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
4
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VE710s/b-2
VA721