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Panasonic TQBJ0349 User Manual

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Page of 95
80
 - ENGLISH
Maintenance
Troubleshooting
Should any problem persist, contact your dealer.
Problem
Cause
Reference 
page
Power does not turn 
on.
The power cord may not be connected.
 
z
—
The <MAIN POWER> switch is turned off.
 
z
No electric supply is at the wall outlet.
 
z
—
The circuit breakers have tripped.
 
z
—
[LAMP indicator] or [TEMP indicator]is lit or flashes.
 
z
The lamp unit cover has not been securely installed.
 
z
No picture appears.
The video signal input source may not be connected to a terminal 
 
z
properly.
The input selection setting may not be correct.
 
z
The [BRIGHTNESS] adjustment setting may be at the minimum setting.
 
z
The input source which is connected to the projector may have a 
 
z
problem.
—
The [AV MUTE] function may be in use.
 
z
If the [Power indicator] flashes in red, consult your dealer.
 
z
—
The picture is fuzzy.
The lens focus may not have been set correctly.
 
z
The projector may not be at the correct distance from the screen.
 
z
The lens may be dirty.
 
z
The projector may be tilted too much.
 
z
—
The color is pale or 
grayish.
[COLOR] or [TINT] adjustment may be incorrect.
 
z
The input source which is connected to the projector may not be 
 
z
adjusted correctly.
—
RGB cable is damaged.
 
z
—
The remote control 
does not operate.
The batteries may be weak.
 
z
—
The batteries may not have been inserted correctly.
 
z
The remote control signal receptor on the projector may be obstructed.
 
z
The remote control unit may be out of the operation range.
 
z
Strong light such as fluorescent shine onto the signal receptor.
 
z
[REMOTE CONTROLLER] of [CONTROL DEVICE SETUP] in 
 
z
SECURITY menu is [DISABLE].
Is the remote (REMOTE IN) terminal used for external control?
 
z
The remote control ID setting is incorrect.
 
z
On screen menu 
does not appear.
ON SCREEN button on the remote control may have been pressed and 
 
z
cleared.
The control buttons 
of the projector do 
not operate.
[CONTROL PANEL] of [CONTROL DEVICE SETUP] in SECURITY 
 
z
menu is [DISABLE].
Is the remote (REMOTE IN) terminal used for external control?
 
z
The picture does not 
display correctly.
[SYSTEM SELECTOR] may not have been set correctly. 
 
z
There may be a problem with the VCR or other signal source.
 
z
—
A signal which is not compatible with the projector is being input.
 
z