Before Calling Service - Philips 27HT4000D User Manual

Check this list of symptoms and suggested steps to take before requesting service. You may be able to solve the problem
yourself. Note : Please become familiar with the commercial features as described in TV installation / Setup because the
effects of several of these features, if not thoroughly understood might appear as faulty operation.
SYMPTOMS
Installation TV does not
respond to
commands
(volume, channel,
power), or cannot
be turned on (if it
is off). Or cannot
be turned off (if TV
is on).
Installation TV turns off by
itself.
Picture No Picture
Picture There is picture
but no sound.
Picture Display Uneven color
(Color) display.
Picture Display Double image /
"ghost" image
Picture Display
Snowy / noisy
picture
Power No power
Remote Control TV does not
respond to remote
control
Sound There is sound but
poor or no picture

BEFORE CALLING SERVICE

1. Check commercial TV setup (TV installation / setup) menu, including power forced on, front
keypad lockout, channel ring, volume minimum / maximum features.
1. TV automatically turns off after approximately 5 minutes when no RF signal is present (unless
POWER ON = FORCED).
2. Check Energy Saving Programmability setting (see ESP) in TV installation / setup.
1. Check that the antenna / cable is connected properly at the rear of the TV.
2. Check CABLE TUNING setting (NO / YES).
3. Possible TV station problem. Try another channel.
1. Try increasing the volume.
2. Check that the sound is not muted. If it is, press the MUTE button on the remote control to
restore sound.
1. Switch off the TV using the mains power button. Wait approximately 20 minutes before turning
on the TV again.
2. Ensure that the TV is not placed near any speakers or magnetic objects.
Check antenna, cable or set-top box.
1. Check antenna, cable and / or setup box connections. Ensure that they are properly connected.
2. Possible electrical interference from appliances or other sources.
Ensure that the TV's AC power cord is plugged into the main socket. If there is still no power, dis-
connect the plug. Wait for 60 seconds and re-attach plug. Turn on the TV again.
1. Check batteries.
2. Aim remote control directly at remote control sensor lens on TV and try pressing any button
on the remote control.
Check picture adjustments (brightness, contrast, color, tint).
5
SUGGESTED STEPS TO TAKE