Troubleshooting - Panasonic TC-26LX20 Operating Instructions Manual

Troubleshooting

If there is a problem with your TV please refer to the table below to determine the symptoms, then carry out
the suggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting
the model number and serial number (both found on the rear of the TV).
Symptoms
Picture
Snowy Picture
Multiple Image
Interference
Normal Picture
No Picture
No Colour
Poor or Distorted Picture Weak or No Sound
Normal Picture
Cannot operate with the remote control.
The main unit is hot.
There may be red spots, blue spots, green
spots and black spots on the screen.
Poor Video.
(Snow noise, no picture, picture runs, etc.)
Poor Audio.
50
Sound
Antenna location, direction or connection.
Noisy Sound
Aerial location, direction or connection.
Normal Sound
Electrical appliances.
Cars / Motorcycles.
Fluorescent lights.
Noisy Sound
Volume level.
Sound mute switched on.
No Sound
TV set to AV mode.
Not plugged into AC outlet.
Not switched on.
Picture / Sound controls set at minimum levels.
Check if in Standby mode.
Make sure that a PC is not connected to HDMI input. The TV may not
No Sound
display video in HDMI input from devices with HDMI or DVI output due to
bad communication between the TV and the devices. Should this happen,
unplug the HDMI/DVI device and plug it back on.
Color controls set at minimum levels.
Weak signal.
Normal Sound
Retune Channel (s).
Sound reception may have deteriorated.
Switch STEREO mode (AUDIO ADJUST menu) to Off until reception
improves.
Change the audio of the HDMI device to Linear PCM.
Weak Wrong
Check the audio setting for HDMI. If there is functional problem with
or No Sound
Digital Audio, use Analog audio.
The battery is exhausted.
The battery's polarity is wrong.
The remote control sensor is exposed to strong light of a fluorescent
lamp, etc.
The main unit radiates heat and some of the parts may become hot.
This is not a problem for performance or quality.
Set up at a location with good ventilation.
Do not cover the ventilation holes of the TV with a tablecloth etc., and
do not place on top of other equipment.
This is a characteristic of liquid crystal panels and is not a problem.
The liquid crystal panel is built with very high precision technology
giving you fine picture details. Occasionally, a few non-active pixels
may appear on the screen as a fixed point of red, blue, green, or black.
Please note this does not affect the performance of your LCD.
HDMI cable is not connected securely.
Turn the power supply of the TV set and connected equipment OFF then turn on.
Check compatibility of input signal from the connected equipment.
The connected equipment must be EIA/CEA-861/861B compliant.
Change the audio setting of the connected equipment to L.PCM.
Check the setting of HDMI INPUT.
If the problem is due to the digital audio connection, change to the
analog audio connection.
Checks