Panasonic TQBJ0350 - Manual (Page 81)

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81
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 34
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 76, 77
The lamp unit cover has not been securely installed. z 79
No picture appears.
The video signal input source may not be connected to a terminal z
properly.
29
The input selection setting may not be correct. z 37
The [BRIGHTNESS] adjustment setting may be at the minimum setting. z 44
The input source which is connected to the projector may have a z
problem.
—
The [AV MUTE] function may be in use. z 37
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 35
The projector may not be at the correct distance from the screen. z 24
The lens may be dirty. z 16
The projector may be tilted too much. z —
The color is pale or
grayish.
[COLOR] or [TINT] adjustment may be incorrect. z 44
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 19
The remote control signal receptor on the projector may be obstructed. z 19
The remote control unit may be out of the operation range. z 19
Strong light such as fluorescent shine onto the signal receptor. z 19
[REMOTE CONTROLLER] of [CONTROL DEVICE SETUP] in z
SECURITY menu is [DISABLE].
75
Is the remote (REMOTE IN) terminal used for external control? z 86
The remote control ID setting is incorrect. z 22, 63
The control buttons
of the projector do
not operate.
[CONTROL PANEL] of [CONTROL DEVICE SETUP] in SECURITY z
menu is [DISABLE].
75
Is the remote (REMOTE IN) terminal used for external control? z 86
The picture does not
display correctly.
[SYSTEM SELECTOR] may not have been set correctly. z 47
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 88