Panasonic TX-21AT1C, Operating Instructions Manual

Page: 17 / 20

17
TROUBLESHOOTING
Symptoms
Check
Picture Sound
Check
Snowy picture
Noisy sound
Aerial location, direction or connection
Multiple images
Normal sound
Aerial location, direction or connection
Interference
Noisy sound
--- electrical appliances
--- cars/motorcycles
--- fluorescent lights
Normal picture
No sound
Volume level
check whether the mute function has been activated
on Remote Control and volume is selected correctly
in Tuning Menu
No picture
Noisy sound
Check:
--- If AV mode is activated
--- if plugged into AC outlet
--- if switched on
--- picture/volume settings
--- if in standby mode
No colour
Normal sound
Colour control
Scrambled
Normal or weak sound
Retune channels
Coloured patches
Normal sound
Magnetic interference (e.g. loudspeaker --- remove)
TV set moved while On --- turn TV set off for 30 min.