Troubleshooting, Symptoms picture sound checks – Panasonic TC-14ST15M User Manual
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Troubleshooting
Before calling for service, determine the symptoms and make a few simple checks as shown below.
Symptoms
Picture
Sound
Checks
' ’ 'I V *
Snowy Picture
Aerial Location, direction
Connection
Noisy Sound
Multiple Image
Aerial Location, direction
Connection
Normal Sound
Interference
Noisy Sound
Electrical Appliances
Cars / Motorcycles
Fluorescent Lamps
Normal Picture
No Sound
Volume
(Check whether the mute function has
been activated on the Remote Control.)
No Picture
No Sound
Not plugged into AC outlet
Not switched on
Contrast and Brightness / Volume Setting
(Check by pushing the Power Switch or
Stand-by Button on the Remote Control.)
No Colour
A
Colour Control
Normal Sound
Scrambled
Weak Sound
Re-tune Channels
Colour Patches
Normal Sound
Magnetic interference from unshielded
equipment.
Receiver moved while "ON"
No Colour Rolling Picture H-Une
Noisy Sound
System Button
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