Troubleshooting

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

Picture

Sound

Check

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.

Snowy Picture

Noisy Sound

Aerial Location, Direction or Connections.

Multiple Image

Normal Sound

Electrical Appliances, Motorcycles, Cars or Fluorescent

Lamps.

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

 

 

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.

Check the colour system. Refer to page 18.

Retune the Television. Refer to page 26.

Magnetic Interference from unshielded equipment or the television may have been moved while it was switched ON. (Switch the television OFF, or into Standby and leave it OFF for about 30 minutes). Refer to page 19.

Picture Menu (Refer to page 15).

Sound Menu (Refer to page 16).

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Panasonic TX-76PW300A, TX-86PW300A operating instructions Troubleshooting, Picture Sound Check