Troubleshooting - Sony VPH-G70Q Operating Instructions Manual

Troubleshooting

If the projector appears to be operating erratically, try to diagnose and correct the problem using the following
guide. If the problem still persists, consult with qualified Sony personnel.
Symptom
The power does not turn on.
The power turns on and
immediately turns off.
Picture does not appear.
Picture is too dark.
Picture is distorted.
Error code "10" appears and
the projector cannot accept
any other command than
channel selection.
38
(EN)
Cause
The MAIN POWER switch is turned off.
There may be an internal problem.
If no menu appears, external signal and/
or sync is not input correctly.
If menu appears with no input, sync
connection is not correct.
If no menu appears with no input, there
may be an internal problem.
Contrast is set to minimum.
Clamp setting is not correct.
The input signal is not selected correctly.
The input signal is unstable.
Remedy
Press the MAIN POWER switch on the projector
(see page 15 (EN)).
Check the error code in the error code window on
the rear of the projector and consult with qualified
personnel.
Check the input signal and sync in the INPUT
INFO menu and connect them correctly (see page
32 (EN)).
Check SYNC SEL in the INPUT SETTING menu
and connect the sync correctly, if necessary (see
page 26 (EN)).
Consult with qualified personnel.
Adjust the contrast with the CONTR + key (see page
17 (EN)).
Change the clamp setting in the INPUT SETTING
menu (see page 26 (EN)).
Select a correct signal in the INPUT A or INPUT B
option in the SET SETTING menu (see page 29
(EN)).
Check the input signal.