Service manual

6-4
Chapter 6
The image is not correct.
The projector starts and runs normally.
The menus are accessible.
The lamp is lit.
Upgrade the software to the latest version or reinstall the projector software.
Confirm that all image adjustments are set to factory defaults
Confirm that the cable and source signal Are good.
No image at all.
Vertical or horizontal lines.
Sparkle picture.
Clusters of dark pixels.
Dim image
Bad or missing tint or color.
Missing logo,VGA,composite Video, or S-video.
Distorted image, noisy, rolling,torn,frozen,
” Plaid” repeated, or shifted image.
No image at all.
Vertical or horizontal lines.
Sparkly picture.
Clusters of dark pixels.
Replace the Main Board.
Yes
No
Problem resolved
Replace the optical engine
Troubleshooting Image Problems
What is the problem?
What is the problem?