Panasonic TX-22LT Troubleshooting, Maintenance, To clean this unit, wipe with a soft, dry cloth

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Troubleshooting

If there is a problem with your LCD 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

 

Checks

Picture

Sound

 

Snowy Picture

Noisy Sound

Aerial location, direction or connection

Multiple Image

Normal Sound

Aerial location, direction or connection

 

 

Electrical appliances

Interference

Noisy Sound

Cars/Motorcycles

 

 

Fluorescent lights

Normal Picture

No Sound

Volume level

Sound mute switched on

 

 

 

 

 

TV set to AV mode

No Picture

 

Not plugged into A.C. outlet

No Sound

Not switched on

 

 

Picture / Sound controls set at minimum levels

 

 

Check if in stand-by mode

No Colour

Normal Sound

Colour Controls set at minimum levels

Poor or Distorted

Weak or

Retune Channel (s)

Picture

No Sound

 

 

Weak or

Sound reception may have deteriorated.

Normal Picture

Switch NICAM setting (Sound menu) to Off

distorted sound

 

until reception improves.

 

 

 

 

This is a characteristic of liquid crystal panels and is not a problem.

There may be red spots, blue

 

The liquid crystal panel is built with very high precision

 

technology giving you fine picture details. Occasionally,

spots and green spots on the

Normal Sound

a few non-active pixels may appear on the screen as a

 

screen

 

fixed point of blue, green, or red.

 

 

Please note the this does not affect the

 

 

performance of your LCD.

Maintenance

To clean this unit, wipe with a soft, dry cloth.

If the surfaces are extremely dirty, use a soft cloth dipped in soap-and-water solution or a weak detergent solution.

Use eyeglass cleaner to remove stubborn dirt from the LCD.

Never use alcohol, paint thinner or benzine to clean this unit.

Before using chemically treated cloth, read the instructions that came with the cloth carefully.

Do not wipe the LCD with water.

Wipe the cabinet with a soft cloth

If the cabinet is heavily soiled, wipe with a well-wrung soft cloth dipped in kitchen cleanser (neutral) diluted with water.

CAUTION :

If water or similar substances get inside the monitor via the liquid crystal panel surface, a malfunction may result.

Neutral detergent

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Contents Operating Instructions Table of Contents TV Games / Home Computers How to replace the fuse for plug type shown in exampleThis TV set is designed to operate on DC Cabinet and LCD panel careBefore Operating This Set Supplied AccessoriesFitting remote control batteries Receiver Location How to use the LCD standBefore Operating This Set Optional External EquipmentQuick start Guide Connection and setting up optionsConnecting the TV directly to an aerial only Choose Your Connection TypeQuick start Guide Connection of TV and VCR using Scart and RF cablesLink connection of TV and VCR using Scart and RF cables Scart ConnectionsRF connections SatelliteReceiver Auto set up Quick start Guide Connecting the AC AdaptorSwitch TV on Plug into household mains socketQuick start Guide TV to VCR download BBC1 BBC2 ITV CH4 S4C CH5 SATEnter NAME, House Number and Postcode Quick start Guide Owner IDTwo basic functions Side panel controls and Remote control Basic controlsBasic controls TV/AV Mode SelectionRemote control Direct Programme Number Selection CHRecall button Function selectionReturn to the normal viewing screen Using the On Screen DisplaysTV/AV button is used to exit the menu system On Screen Help ‘Instruction’ boxPicture menu Backlight, Contrast, Brightness, Colour, Sharpness, TintMode Picture menuHelpful Hint Normalization Volume, Bass, Treble, Balance, Headphone Volume Sound menuTo enjoy a concert hall effect, turn Sound menuAmbience Ambience to onSetup menu Ing Tuned manually. see Tuning menu-overviewManual tun- Allows individual programme positions to be Moving a programme channel Tuning menu Programme editAdding / deleting a programme channel Make sure the cursor is in the Prog. columnLocking a programme channel Tuning menuRenaming a programme channel Copying programme information to a VCRTuning menu Auto setup It is possible to retune an individual programme position Tuning menu Manual tuningManual tuning via side panel Tuning menu Shipping condition Press the key twice Confirmation message is displayed twiceTuning menu Owner ID To exitPanasonic Auto Aspect ControlsPanasonic Auto 169 Aspect ControlsZoom LetterboxNo recording no Tape No recording Tape MAY be Preset DownloadLink When the VCR playback is found, pressing to store Tuning your VCR and satellite receiverTuning your TV to the VCR Tape with known content is Found and displayedAdvanced Remote Control Operation VCR / DVD OperationAdvanced Remote Control Operation Index When in Fastext operation Update DisplayUpdate List StoreSub Coded Page Access Connects VCRs and other peripheral equipment How to connect the input terminalsConnections Connect headphones / earphones as follows Connections How to connect the Audio OUT TerminalsConnecting Headphones / Earphones To clean this unit, wipe with a soft, dry cloth TroubleshootingMaintenance Symptoms Checks Picture SoundSpecifications Customer’ Record Model Number TX-22LT2 Serial Number