MEDIATEK MT9602, User Manual

Page: 23 / 52

Diagnose issues with your TV.
> Settings > Support > Self Diagnosis
Use the Picture Test to help diagnose picture issues and the Sound Test to diagnose sound issues. You can
also view signal strength information for over-the-air digital signals by using the Network Test and the
Input Connection Test .
Status Check ： show latest 30 records of the error code; the timestamp, error code, event code, brief
description, device ID is general.
When the TV has trouble with the picture, these steps may help resolve the problem.
Picture Test
> Settings > Support > Self Diagnosis > Picture Test
Before you review the list of problems and solutions below, use Picture Test to determine if the problem is
caused by the TV. Picture Test displays a high definition picture that you can examine for flaws or faults.
The Problem Possible Solutions
No picture, or black
and white picture.
• Unplug TV from AC outlet and re-plug after 60 seconds.
• Check that the
Color is set to 50 or higher.
• Try different TV channels.
The picture is
distorted.
• The compression of video content may cause picture distortions, especially in fast
moving pictures from sports programmes and action movies.
• If the signal reception is weak or poor, screen distortion may be visible but it is not
a malfunction.
• Mobile phones used close to the TV (within 1 m) may cause noise on analogue and
digital channels.
NOTE
If the test picture does not appear or there is noise or distortion, the TV may have a problem. Contact
the service company in your country.
If the test picture is displayed properly, there may be a problem with an external device. Please check
the connections.
If the problem persists, check the signal strength or refer to the external device's user manual.
When the TV has difficulties with sound, these steps may help resolve the problem.
Sound Test