Troubleshooting - ViewSonic J658D User Manual

Troubleshooting

Refer to the symptoms and measures lsted below before sendng the projector for
repars. If the problem perssts, contact your local reseller or servce center.
Please refer to "Indcator Messages" as well.
Symptom
No power.
Power goes out
during use.
No image
appears
on screen.
Partial, scrolling
or incorrectly
displayed
image.
Image is
unstable or
flickering.
Image has
vertical
flickering bar.
33
Cause
The AC power cord s not
plugged n.
The AC power cord s not
connected to the projector.
The man power swtch s not
turned on.
The lamp cover loose.
The temperature s too hgh.
The ventlaton holes are
blocked.
The projector s not turned
on.
The connectons set up are
not correctly.
The connected devces are
not functonng properly.
Lens cap s not removed.
"Hde" functon s actvated.
The nput sgnal s not
supported by the projector.
The sgnal tmng of the
dsplay does not synchronze
wth the graphc card.
The dsplay data frequency
does not match the
frequency of your computer's
graphc card.
Measure
Plug n the AC power cord.
Connect the AC power cord to the
projector correctly and turn on the man
power swtch.
Turn on the man power swtch.
Tghten the screws on the lamp cover.
Unplug the AC power cord and wat for a
short whle, then turn the power back on.
Place the projector so that the ventlaton
holes are not blocked.
Turn the projector on.
Check that all connectons are setup
correctly.
Check that all connected devces are
functonng properly.
Remove the lens cap and turn the
projector on.
Cancel "Hde" functon.
Press "Resync" button.
Use "Trackng" to correct t. Refer to
Computer Image secton.
Change the montor color settng from
your computer.
Use "Frequency" to make an adjustment.
Refer to Computer Image secton.
Check and reconfigure the display
mode of your graphc card to make t
compatble wth the product.
ViewSonic PJ658D