Panasonic PT-DX800U User Manual
Troubleshooting
ENGLISH - 93
Maintenance
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Points to be checked
Reference page
Power does not turn
on.
z
Is the power plug firmly inserted into the outlet?
―
z
Is the <MAIN POWER> switch turned <OFF>?
35
z
Does the outlet in which the power plug is inserted have a supply of electricity?
―
z
Have the circuit breakers tripped?
―
z
Is the temperature indicator <TEMP> or the lamp indicators
<LAMP1>/<LAMP2> lit or blinking?
87, 88
z
Is the lamp unit cover securely installed?
92
No picture appears.
z
Is the connection to the picture (output) device correct?
30
z
Is the input selection setting correct?
38
z
Is the [BRIGHTNESS] adjustment setting at a minimum?
44
z
Is the external device that is connected to the projector working properly?
―
z
Is the shutter function in use?
38
The picture is fuzzy.
z
Has the lens focus been set correctly?
36
z
Is the projection distance appropriate?
22
z
Is the lens dirty?
15
z
Is the projector installed perpendicular to the screen?
―
The color is pale or
grayish.
z
Are the [COLOR] and [TINT] adjusted correctly?
45
z
Is the device connected to the projector adjusted correctly?
30
z
Is the RGB cable damaged?
―
The remote control
does not operate.
z
Are the batteries depleted?
―
z
Is the polarity of the batteries set correctly?
20
z
Are there any obstructions between the remote control and the
projector's remote control signal receiver?
17
z
Is the remote control being used beyond its effective operation range?
17
z
Are other forms of light, such as fluorescent lights, affecting the projection?
17
z
Is the [REMOTE CONTROLLER] setting in [CONTROL DEVICE
SETUP] set to [DISABLE]?
71
z
Is the <REMOTE 2 IN> terminal used for external control?
100
z
Is the ID number setting correct?
20
On screen menu
does not appear.
z
Is the on-screen display function turned off (hidden)?
19, 38
The control buttons
of the projector do
not operate.
z
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]?
71
z
Is the <REMOTE 2 IN> terminal used for external control?
100
The picture does not
display correctly.
z
Is the [SYSTEM SELECTOR] selection set correctly?
47
z
Is there a problem with the VCR or other picture sources?
―
z
Is the projector getting signals that it does not support?
102