Philips LC4242 Projector User Manual


 
If a fault occurs, first check the points listed below
before taking the projector for repair. If you are unable to remedy
a problem by following these hints, consult your dealer or
service organisation.
Warning:
Under no circumstances should you try to repair the projector
yourself as this could invalidate the warranty.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Image is not displayed
Mains lead is not correctly connected.
Correctly connect mains lead.
The filter holder is not installed correctly or is damaged.
Install the filter holder correctly (see Cleaning the dust filter
under Maintenance).
Lamp holder cover is not closed correctly or the lamp holder
is damaged.
Close the cover correctly (see Lamp replacement under
Maintenance).
Signal cable not correctly connected.
Connect signal cable correctly.
The projector is in OFF position.
Press STANDBY button to switch on the projector.
Lamp ceased to operate or does not light up at all
(indicator lights up red)
Lamp is still hot while the projector attempts to restart the
lamp.
Do not switch the set off; it will restart the lamp
automatically within a few seconds.
Lamp circuit failure or worn-out lamp.
Take the projector to your nearest Service Centre, or
Replace lamp (see Maintenance).
Internal temperature of the projector is too high.
Wait a few minutes and check to see if the air outlets are
blocked.
Disconnect and re-connect the mains cord to the projector.
If the temperature in the meantime decreased sufficiently,
the projector will start up in the standby mode.
Lamp indicator blinks orange
Lamp life has almost expired (less then 100 hours to go).
See warning message on the on start up screen for details.
Lamp indicator lights up orange
Lamp life has expired.
Poor colour
Wrong video system has been selected.
Select the correct video system (see the selection of the
video system under Operation).
Adjust brightness, contrast, saturation or hue (see Display
and picture control under Operation).
Image is blurred
Image is not focused.
Adjust focus ring.
Distance between projector and screen is not correct.
Adjust the distance between the projector and the screen.
Signal cable is not correctly connected.
Connect signal cable correctly.
Image does not match up with the projected screen
SHIFT and/or HORIZONTAL SIZE are not adjusted correctly.
Adjust SHIFT or HORIZONTAL SIZE (See Display and Picture
control, sections Data only and Data and Video/S-Video).
Activate the auto-image function via the On Screen menu.
Picture rolls
Signal cable is not correctly connected.
Connect signal cable correctly.
Picture too bright
MONITOR OUT has been enabled, while no external monitor
is connected.
Disable the MONITOR OUT option. Press MENU and use
cursor control to go to the SETTINGS item on the menu bar.
Choose MONITOR OUT and select OFF.
Picture too dark or bright with external monitor connected
MONITOR OUT has been enabled, but the external monitor
is not correctly connected. (The picture on both displays is
too bright)
Connect the (optional) VGA Y-cable (See Connecting to an
external monitor under Installation).
If the VGA Y-cable is correctly connected, verify whether the
input impedance of the monitor is correctly set on 75 Ohm.
MONITOR OUT has not been enabled, but the external
monitor is connected. (The picture on both displays is too dark)
Enable the MONITOR OUT option. Press MENU and use
cursor control to go to the SETTINGS item on the menu bar.
Select MONITOR OUT and select ON.
No sound
Audio cable is not correctly connected.
Connect audio cable correctly.
Volume is not adjusted.
Adjust volume.
Mute or A/V-mute is active.
Cancel mute or A/V-mute.
Caution!
Always reduce/check the volume setting of connected amplifiers
before switching off (A/V) mute, to prevent damage to speakers.
The projector does not react to commands from the remote
control
Distance is too great.
Reduce distance.
Batteries are exhausted.
Replace batteries (see Inserting the batteries in the remote
control).
IR sensor is obstructed.
Remove obstacle.
Remote control is not switched on (only optional trackball
remote controle).
Switch on the remote control.
10. Troubleshooting
23