JVC GD-V422U, GD V502U Troubleshooting, Symptoms, Checks, Picture, Sound, Plasma Display panel

Models: GD V502U GD-V422U

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Troubleshooting

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.

 

Symptoms

 

Checks

Picture

 

Sound

 

 

 

 

 

Electrical Appliances

 

 

 

Cars / Motorcycles

 

 

 

Fluorescent light

Interference

 

Noisy Sound

 

 

 

 

Volume

 

 

 

(Check whether the mute function has been

 

 

 

activated on the remote control.)

Normal Picture

 

No Sound

 

 

 

 

Not plugged into AC outlet

 

 

 

Not switched on

 

 

 

PICTURE and BRIGHTNESS / Volume setting

 

 

 

(Check by pressing the power switch or

No Picture

 

No Sound

stand-by button on the remote control.)

 

 

 

 

 

If a signal with a non-applicable color system

 

 

 

format, or frequency is input, only the input

 

 

 

terminal indication is displayed.

No Picture

 

Normal Sound

 

 

 

 

Color controls set at minimum level.

 

 

 

(see page 22, 23)

 

 

 

COLOR SYSTEM (see page 34)

No Color

 

Normal Sound

 

This Plasma Display uses special image processing. Hence a slight time lag may occur between image and audio, depending on the type of input signal. However, this is not a malfunction.

Plasma Display panel

 

Symptoms

Check

Some parts of the screen do not

The plasma display panel is manufactured using an extremely high level of precision

technology, however, sometimes some parts of the screen may be missing picture

light up.

elements or have luminous spots. This is not a malfunction.

 

 

 

 

 

 

 

 

 

 

Do not allow a still picture to be displayed for an extended period, as this can

 

 

 

cause a permanent after-image to remain on the Plasma Display.

 

 

 

Examples of still pictures include logos, video games, computer images, teletext

 

 

 

and images displayed in 4:3 mode.

 

 

 

Note:

 

 

 

The permanent after-image on the Plasma Display resulting from fixed image use

After-images appear

is not an operating defect and as such is not covered by the Warranty.

 

 

 

 

 

 

This product is not designed to display fixed images for extended periods of time.

 

 

 

 

Whirring sounds can be heard

The display unit is fitted with a cooling fan to dissipate heat generated during normal

from the display unit.

use.The whirring sound is caused by rotation of the fan and is not a malfunction.

 

 

 

 

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JVC GD-V422U, GD V502U manual Troubleshooting, Symptoms, Checks, Picture, Sound, Plasma Display panel