Troubleshooting

If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.

Severe noise or snow

Check the aerial cable and TV connections .

Check the direction of the aerial.

Check the aerial or its cable damaged or not.

Patterns, stripes or noise

Interference caused by devices such as an amplifier, personal computer, or a hair drier, Move it away from TV.

Ghosting ( Doubling of images )

Interference occurs caused by signal reflection from mountains

or building. Try to adjust the aerial’s direction or use another antenna.

Cannot turn it on

Ensure the power cord is connected to the AC outlet correctly.

Cannot operate the remote control.

The batteries may be exhausted. Replace with new batteries.

Ensure that you are operation the remote control at less than 7 meters from the front of your TV.

Remote control stops working

Unplug TV, several minutes later plug it in again.

Side control buttons do not work

Switch “Child Lock” to “Off”.

Aspect ratio changed unintentionally

Press “ ZOOM ” button to return to your settings.

PC screen alignment is off

Adjust the “PC Position” in “PC Setting” of Set Up menu.

Blue screen appears on the screen

Switch “Blue Back” to “Off”.

Strange picture when using an external device

If the top of the image is distorted, check the video signal quality itself.

If movement appears unnatural when receiving a signal from a DVD player, etc. with 625p (progressive-scanning), change the

output setting of the external device to 625i (interlace-scanning)

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Poor picture quality

Unnatural color >> Adjust “Color” and “Back Light”

Check “Color System”. If “Auto” is selected select the specific color system manually.

Noise >> Set to the following functions. Picture Mode : Standard

DigiPure : On

Dull picture >> Set to the following functions. Picture Mode : Bright

DigiPure : On

Poor sound

Adjust the “Bass” and “Treble”.

If receiving a poor signal in “Stereo/ ” switch to “Mono”. Adjust the channel reception using “Manual”.

For HDMI signal, wrong screen size in 480p (525p).

Switch “Size” in “HDMI setting” to “1” or “2”.

For HDMI signal, green and distorted screen

Wait a little for the signal to stabilize when switching the signal format for an “HDMI” device.

For HDMI signal, No picture / No sound

Use the cable marked with HDMI logo. Check if the device is compliant with HDMI.

Switch “Audio” in “HDMI Setting” to “Digital” or “Auto” for HDMI devices, or “Analogue” or “Auto” for DVI devices.

Some functions do not work.

It is not a malfunction. Some functions (dark background) in the menu do not work depending on the situation.

Black or white dots appear on the screen.

LCD panels use fine dots (“pixels”) to display images. While more than 99.99% of these pixels function properly, a very small number of pixels may not light, or may light all the time. It is not a malfunction.

No picture, No sound

Some input do not output from OUT terminal.

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JVC GGT0220-001A-H manual Troubleshooting, Severe noise or snow