Panasonic TH-37LRU20 manual Some spots remain, Bright or dark, Chaotic image, noisy, No image is

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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).

 

Problem

 

Some spots remain

 

bright or dark

 

Chaotic image, noisy

Screen

No image is

displayed on screen

Only spots are displayed

 

instead of images

 

Neither image nor

 

sound is produced

 

Black Box appears

 

No sound is produced

Sound

Sound is unusual

 

 

Unknown sound heard

 

1- Sounds from TV

 

cabinet

 

2- Tick/Click sound

 

3- Buzzing sound

Other

The main unit is hot.

 

Actions

The LCD panel is made up of a few million pixels and is produced with advanced technology through an intricate process. Sometimes a few pixels may be bright or dark. These pixels do not indicate a defective panel and will have no impact on the performance of the TV.

Check nearby electrical products.

(car or motorcycle ignition systems, fluorescent lamp, etc.)

Check Picture menu (p. 20)

Check the cable connections.

Check that the correct input has been selected.

Check the channel settings. (p. 24)

Check the antenna cables.

Is the power cord plugged into the outlet?

Is the TV unit turned On?

Check Picture menu (p. 20) and volume.

Check the AV cable connections. (p. 11-12)

Check that the correct input has been selected. (p. 15)

Change settings of Closed caption (CC). (p. 26)

Are the speakers’ cables connected correctly?

Is “Sound Mute” active? (p. 13)

Is the volume set to the minimum?

Is “TV speakers” set to “Off”? (p. 20)

Change “SAP” settings. (p. 14)

Check “HDMI 1 in”, “HDMI 2 in” or “HDMI 3 in” settings. (p. 20)

Set “SAP” setting to “Stereo” or “Mono”.

Check the HDMI device connected to the unit.

Set the audio setting of the HDMI device to “Linear PCM”.

If digital sound connection has a problem, select analog sound connection.

1- Changes in the temperature and humidity of the room may cause the TV’s cabinet to expand or contract and produce metallic sounds. This is not a sign of faulty operation or a malfunction.

2- When the TV is powered on, an electrical component in the TV activates producing a tick/click sound. This is not a sign of faulty operation or a malfunction.

3- Electrical circuits are active while the TV set is on. This is not a sign of faulty operation or a malfunction.

The main unit radiates heat and some of the parts may become hot. This is not a problem for performance or quality.

Set up in 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.

Frequently Asked Questions FAQs, etc.

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Contents English Operating InstructionsExperience an amazing level of multimedia excitement Contents Important Safety Instructions Safety PrecautionsSecure Ventilation Responsible Party Panasonic Corporation of North America Contact Source Panasonic Solutions CompanyTune Into Safety Accessories Accessories/Optional AccessoryOptional Accessory Accessories/Optional AccessoryAntenna terminal Attaching the pedestal to TVPin terminals Hdmi terminal Do not disassemble or modify the pedestalLocation Start Accessories/Optional AccessoryConnection panel ConnectionsRF connection Connections Connecting AntennaExample of connections VHF/UHF AntennaYellow Side panel Back panelOptical digital audio cable Audio cable Internal TA External TA Cross CableRemote control TV controls/indicatorsIdentifying Controls Controls ConnectionsTV operation Turn the TV On with the Power buttonSelect a channel number Viewing Watching Videos and DVDs TV operation Display the Input select menu Select the input modeTo return to TV Display the Input select menu Displaying PC Screen on TVSelect PC PictureInsert the SD card Viewing from an SD cardSelect the data to be viewed ViewDisplay Hotel Mode Hotel Mode SetupHotel Mode menu Select Save then press OKAdjust or select How to Use Menu FunctionsHow to UseHotelMenuModeFunctionsSetup Advanced Display the menuMenu list Picture AudioLock Select the Lock mode Input your 4-digit passwordLock Display the menu Select LockTo change the password Select Mode and set to OnLock Advanced Select the rating category you wish to followDisplay the menu Select Setup Editing and Setting ChannelsSelect ANT/Cable setup Select the functionEditing To reset the settings To make more in-depth display settings in digital programsClosed Caption Display the menu Select Closed captionSelect Input labels or Audio out Input LabelsInput Labels Closed Caption Display labels of ConnectedGuest Menu Select Adjust or selectDisplay the menu Select the item Guest menuRatings List for Lock FAQs, etcRatings ListGuestfor LockMenu Advanced Technical Information Size Vertical size adjustmentClosed caption CC Aspect Ratio FormatData format for SD Card browsing Technical InformationMessage SD Card warning messages MeaningHdmi connection Picture modeDigital Audio OUT terminals SizeInput signal that can be displayed Technical Information FAQs, etcPC Input Terminals Connection Serial Crtl RS232C M3 terminal connection DATA/MTI RJ11 terminal connectionPC Control of the TV Communication parametersControl Command Inquiry Command Serial Ctrl RS232C command listParameter FAQ Bright or dark Some spots remainChaotic image, noisy No image isPower cord plug Care and CleaningDisplay panel CabinetTH-32LRU20 TH-37LRU20 TH-42LRU20 SpecificationsLimits and Exclusions Limited Warranty FAQs, etc Page Page Page Page Page Page Customer’s Record Panasonic Solutions CompanyExecutive Office