Question about Syntax LT30HV 30 in. HD-Ready LCD Television

1 Answer

Video gos black after about an hour or hour and a half. Audio remains on. If turned off and the right back on the video will work for a few seconds before going off again. If left for several hours it will run for about an hour or so before going black again. Audio still remains on. Is this a power supply over heat problem? The model number on this device is Syntax LT27 HV but your system only give me the choice of LT32 HV or LT20 HV

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  • richardb617 May 09, 2010

    I haven't begun to try but the solution seem to fit with my thinking. Thanks

  • richardb617 May 09, 2010

    I haven't begun to try but the solution seem to fit with my thinking. Thanks

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1 Answer

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  • Syntax Master
  • 19,396 Answers

Hi.

The most common cause for the problem is a faulty inverter. In some case a faulty power supply or a defective main board can cause the same problem.

I explained how to test inverter, PSU and main board control line in this article:How to test an LCD TV or monitor PSU, main controller board, and Inverter.

As explained inverter is the most common fault causing this problem, but PSU and main board must also be tested(see also My LCD TV has sound but no picture.).

Here replacement parts for your set:

V0.88070.101 BACK LIGHT INVERTER DPS-162CP Power Supply Syntax SC0-P315000-002 Main Unit
Regards.

Posted on May 09, 2010

  • Ginko
    Ginko May 09, 2010

    Hi.

    You are welcome.

    Thanks for your feedback.

    Ginko.


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