3M
Multimedia Projector MP8670/8745/8755/8770
Troubleshooting
Copyright
2000, 3M IPC. All Rights Reserved.
3-11
3-10.
Signal Waveforms of P501, P601, and P701 (Input Signal is VGA3)
7.5V (DC)
4V
9V
1 H
1.8
p i n 5 P C G
p i n 1 & 3 6 V C O M
4V
9V
2 H
V D A T A
4V
9V
1 H
12.5V
1 H
p i n 8 V C P , p i n 9 V C P
4V
9V
2 0 0 n S
1 H
H M C
E G 0 1 1 4 .5V
E R 0 1 , EB 0 1 G N D
p i n 1 6
p i n 2 0 H D A T A
1 H
p i n 2 1 ~ p i n 2 8 H C P
4V
9V
1 0 0 n S
1 0 0 n S
p i n 3 0 , 3 1 S I G 1 , 2
7.5V
2 V ~ 5 V
2 C ~ 5 V
1 H
1 H
