Panasonic TC-W21 - Manual (Page 76)

Symptoms
Picture
Snowy Picture
Sound
Noisy Sound
Checks
Aerial Location, direction
or Connections
Multiple Image
Aerial Location, direction or Connections
Normal Sound
Interference
№ Electrical Appliances
Cars/Motorcycles
Fluorescent Lamps
Noisy Sound
Normal Picture
Volume
{Check whether the Mute function has been
activated on the Remote Control.)
No Sound
No Picture No Sound
Not plugged into the AC outlet
Not switched on.
Contrast and BrightnessA/olume setting
(Check by pushing the Power Switch or
Stand-by Button on the Remote Control.)
No Colour
Colour Control
Normal Sound
Normal or
Weak Sound Scrambled
Retune Channels
Coloured Patches Normal Sound
Magnetic interference from unshielded
equipment
Receiver moved while “ON”
Turn the TV set off for 30 mins, using the
“Power" Button on the TV set.
No Colour
Sound System (Refer to page 38)
Colour System (Refer to page 39)
Noisy Sound