Service manual

3M Multimedia Projector MP8670/8745/8755/8770 Troubleshooting
Copyright  2000, 3M IPC. All Rights Reserved. 3-12
Signal Waveforms of P501, P601, and P701 (Input Signal is VGA3), Continued
pin 30, 31 SIG 1,2
7.5V
4.5V
4.5V
1H
1H