Others; Troubleshooting - Sony VPL-GH10 Operating Instructions Manual

Others

This section describes how to solve the problems, how to replace the lamp and air filter,
etc.

Troubleshooting

If the projector appears to be operating erratically, try to diagnose and correct the problem
using the following instructions. If the problem persists, consult with qualified Sony
personnel.
Power
Symptom
The power is not turned on.
Picture
Symptom
No picture.
The bright area of the
picture may become
unclear. (When video
signal is input)
The picture is too dark.
The picture is not clear.
The color of characters or
the picture is not
appropriate.
Image is left on the screen.
(image retention)
56
GB
Cause and Remedy
c The power may not turn on if you turn the power off with ?/1
(ON/STANDBY) switch and turn it on again in a short time.
After about 1 minute, turn the power on.
c Close the lamp cover securely, then tighten the screws securely.
(1 page 62)
c Close the filter holder securely. (1 page 63)
c Check warning indicators. (1 page 58)
Cause and Remedy
c Check that the proper connections have been made.
(1 page 18)
c Set the computer signal to output from an external monitor.
c Set the computer signal to output only to an external monitor.
c Switch the RGB dynamic range of the connected equipment to
Full (0-255). If this adjustment is unavailable, adjust
"Brightness" or "Contrast" in the Picture
projector. (1 pages 40, 41)
c Adjust the "Contrast" or "Brightness" of the Picture
properly. (1 pages 40, 41)
c Adjust the focus. (1 page 23)
c Condensation has accumulated on the lens. Leave the projector
for about 2 hours with the power on.
c Select the desired color registration in "Panel Alignment" of
Installation menu. (1 page 50)
c When high contrast non-moving images are displayed for a long
period of time, there may be some image retention on the
screen. This is only a temporary condition. Turning off the
power for a while will eliminate the retained image.
menu of the
menu