Troubleshooting
Before you call for service, determine the symptoms and make a few simple checks as shown below.
Symptoms | Check | ||
Picture | Sound | ||
| |||
|
| Aerial location, direction or connections | |
Snowy Picture | Noisy Sound |
| |
|
| Aerial location, direction or connections | |
Multiple Image | Normal Sound |
| |
|
| ||
|
| Electrical appliances | |
|
| Cars/Motorcycles | |
Interference | Noisy Sound | Fluorescent lamps | |
| |||
|
| ||
|
| Volume | |
|
| (Check whether the mute function has been activated on the | |
Normal Picture | No Sound | Remote Control.) | |
| |||
|
| ||
|
| Not plugged into AC outlet | |
|
| Not switched on | |
|
| Contrast and Brightness/Volume setting (Check by pressing | |
No Picture | No Sound | the Power Switch or | |
Control.) | |||
|
| ||
|
| Colour control | |
No Colour | Normal Sound |
| |
|
| Retune channels | |
Scrambled | Normal or Weak sound |
| |
|
| Magnetic interference from unshielded equipment; | |
|
| TV set moved while “ON”. | |
|
| Turn the TV set off for 30 minutes, using the Power Switch on | |
Coloured Patches | Normal Sound | the TV set. | |
| |||
|
| Colour System | |
No Colour | Noisy Sound |
| |
|
| ||
34
