Troubleshooting

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

Picture

Sound

Check

Snowy Picture

Noisy Sound

Multiple Image

Normal Sound

Interference

Noisy Sound

Normal Picture

No Sound

No Picture

No Sound

No Colour

Normal Sound

Scrambled

Normal or Weak Sound

Colour Patches

Normal Sound

Rolling Picture

Noisy Sound

Aerial Location, Direction or Connections.

If you are watching a tape playback check the state of the Video heads – they may need to be cleaned or replaced. The tape may be old. Check the tracking.

Aerial Location, Direction or Connections.

Electrical Appliances, Motorcycles, Cars or Fluorescent Lamps.

Volume (Check the Mute function)

Not plugged in, switched OFF or Set to Stand By. Check volume, brightness, and contrast levels.

Various internal safety devices may have been triggered. Switch the TV off for a few minutes and try again.

Colour Control.

If the picture is from a tape playback, try adjusting the tracking.

Retune the Television. Refer to page 29.

Magnetic Interference from unshielded equipment or the television may have been moved while it was switched ON. (Switch the television OFF with the main power switch and leave it OFF for about 30 minutes). Refer to page 32.

Picture Menu (Refer to page 14).

Sound Menu (Refer to page 16).

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Panasonic TX-76PW50A, TX-86PW100A, TX-76PW100A operating instructions Troubleshooting, Picture Sound Check