ViewSonic Office Theater PJ820, Руководство пользователя

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ViewSonic PJ820
Troubleshooting
4
If your ViewSonic
®
PJ820 Projector is not performing properly, use this troubleshooting chart for quick
solutions to common problems. If the problem persists, call your dealer. For further support contact ViewSonic
®
Customer Support in your area:
U.S. and Canada only: 1-800-688-6688
From outside U.S. and Canada: 909-869-7976
From Europe: 44 (1293) 643-900
From Asian/Pacific Rim countries: 886 (2) 248-4072
Internet E-Mail: vstech@viewsonic.com
World Wide Web: http://www.viewsonic.com
TROUBLESHOOTING
Before asking for service, check the following:
Problem Possible Cause
Power does not turn on
•
The power cord is not connected.
•
The main power switch on the projector is turned off.
•
Power is not being supplied to the wall outlet.
•
TEMP indicator is illuminated or flashing.
•
LAMP indicator is illuminated or flashing.
• The lamp unit cover has not been correctly installed.
• The REMOTE POWER function has been set to “OFF”.
No picture appears
•
The lens cap may still be attached to the lens.
•
The video signal input source may not be connected properly.
•
The input selection setting may not be correct.
•
The BRIGHT adjustment setting may be at the minimum possible setting.
• The PICTURE MUTE function has been set to “ON”.
The picture is fuzzy
•
The projector may not be focused correctly, or the projector may not
be positioned the correct distance from screen.
•
The lens may be dirty.
•
The projector may not be set up so that it is perpendicular to the screen.
COLOR is too light
•
COLOR or TINT setting may be incorrect.
TINT is poor
•
The input source connected to the projector many not be set correctly.
No sound can be heard • The audio signal source may not be connected properly.
• The volume adjustment may be at the lowest possible setting.
• The MUTE function may be active.
Remote control unit does
•
The batteries may be spent, or they may be inserted incorrectly.
not operate
•
There may be an object between the remote control unit and the
projector which is blocking the infrared signals.
• The remote control unit may be out of the operation range.
The picture does not
•
The correct input signal may not be selected.
display correctly
•
The input signal setting mode (TV-SYSTEM/SIGNAL MODE) may not be
set correctly.
•
There may be a problem with the VCR tape or other signal source.