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Troubleshooting tips
If the unit does not perform properly when operated as instructed in this User manual,
Please check the following Troubleshooting tips and all connections once before calling for service.
Power
No power
Make sure the AC power cord is plugged in.
●
Make sure that the AC outlet supplies the proper voltage, plug
●
another electrical appliance into the AC outlet to ensure that the
AC outlet operates normally.
If a power failure occurs, unplug the AC power cord for 1 minute to
●
allow the unit to reset itself.
Remote
Control keys do not work.
Do NOT press more than one key at the same time.
●
Ensure that no keys on the remote control are depressed and move
●
freely.
Universal remote control does not work properly.
Refer to the user manual of the universal remote control for the
●
Philips code.
Picture
Power is on but no screen image.
Check whether the connection for the antenna, cable, or set-top
●
box is connected correctly.
Check whether all the cables to the unit are connected to the correct
●
output jack on your separate device like Blu-ray Disc™/DVD
recorder.
Make sure that the selected input mode is connected to the working
●
input jack.
Check if your computer is NOT in sleep mode when the input mode
●
on this unit is in PC mode. Tap any key on the computer keyboard
to wake it up.
No color
View other TV channels. The problem might be limited to the
●
broadcasting station.
Adjust Color in PICTURE settings. L p. 21
●
Picture poor
Adjust Brightness and Contrast in PICTURE settings. L p. 21
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For the best picture quality, watch "High Definition" wide screen
●
programs. If the HD content is not available, watch "Standard
Definition" programs instead.
You see pixelation on the screen.
When the capabilities of the unit exceed the capabilities of the
●
digital broadcasting, the signal will be increased to match the
capabilities of the display on the unit. This may cause pixelation,
noise, or trash.
Unusual picture appears and the TV does not operate.
Make sure to press B (Power/standby) button on the control panel
●
of this unit to change the live mode.
( B (Power/standby) button on the remote controller does not solve
this problem.)
Unplug the AC power cord, then wait for one minute, and then plug
●
it in again.
Sound
No sound, distorted sound or incorrect audio sound is heard when
using the HDMI-DVI connections.
Make sure that the analog audio signals from the HDMI-DVI device
●
are connected to the analog audio (L/R) input jacks.
Refer to PC connection L p. 14
When using component analog video, composite analog video or
●
HDMI-DVI video make sure that the analog audio (L/R) connectors
are mounted into the audio (L/R) input jacks.
Sound intermittent or no sound.
Check if the audio cable is connected into the unit correctly.
●
You switch to a different input and the volume changes.
This unit will memorize the volume level from the last time you
●
adjusted it.
If the volume of the sound from another device is higher or lower,
●
then the loudness will change.
Make sure AVL is set to On. L p. 22
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Picture & Sound
No picture or sound
Check if the power is on.
●
Check whether all the cables to the unit are connected to the correct
●
output jack of your device like Blu-ray Disc™/DVD recorder.
View other TV channels. The problem might be limited to the
●
broadcasting station or weak signal strength, if DTV channel check
signal strength.
Unplug the AC power cord and wait for about 1 minute, then plug
●
the AC power cord and turn on the unit again.
Check whether the connection of the antenna or cable or set-top
●
box is connected correctly.
Make sure that the selected input mode is connected to the working
●
input jack.
Check if your computer is NOT in sleep mode when the input mode
●
of this unit is in HDMI mode. Tap any key on the keyboard to wake
up your computer.
Make sure that the sound is not muted. Press V so that the volume
●
bar and current volume level will appear on the TV screen.
You see a distorted picture or hear an unusual sound. (Analog TV -
NTSC signal)
You may be getting interference from electrical appliances,
●
automobiles, motorcycles, or fluorescent lights.
Try moving the unit to another location to see if this is the cause of
●
the problem.
Ghosts, lines, or streaks in picture. (Analog TV- NTSC signal)
Electrical interference from nearby appliances may affect picture
●
quality.
View other TV channels. The problem might be limited to the
●
broadcasting station or weak signal strength, if DTV channel check
signal strength.
Picture poor, sound intermittent, or no sound
View other TV channels. The problem might be limited to the
●
broadcasting station or weak signal strength, if DTV channel check
signal strength.
Screen
You switch to a different input and the screen size changes.
This unit will memorize the viewing mode from the last time you
●
used those particular input modes.
The display image does not cover the entire screen.
If you are watching TV or using the composite video, component
●
video, or HDMI with 480i input, press R FORMAT repeatedly to
switch to various screen modes.
Different color marks on the TV screen
View other TV channels. The problem might be limited to the
●
broadcasting station, missing data, or pixelation due to weak signal
strength.
Closed captions
Closed captions are displayed as a white box. No closed captions
are displayed in the closed captions-supported program.
Interference from buildings or weather conditions may cause
●
captioning to be incomplete if watching Analog TV signals.
Broadcasting station may shorten the program to insert
●
advertisements.
The closed captions decoder cannot read the information of a
●
shortened program.
Black box is displayed on the TV screen.
The text mode is selected. For closed captions, select CC 1, CC 2, CC
●
3, or CC 4. L p. 28
If connected to a Blu-ray Disc™/DVD device then closed captions
●
are part of its video signal and is only controlled through this
device's menu or remote control. Remove the TV closed captions
mode.
Note(s)
The LCD screen is manufactured to provide many years of useful
●
life. Occasionally a few Non-active pixels may appear as a fixed
point of blue, green, or red.
This is not to be considered a defect in the LCD screen.
Some functions are not available in specific modes, but this is not
●
a malfunction. Read the description in this User manual for more
details on correct operations of this unit.
34
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English
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