Question about Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.
Posted on Aug 21, 2008
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
Please post back what you find.
Posted on Dec 18, 2009
I see this sort of thin often in my shop, however unfortunately, this is only a SYMPTOM, the "Cause" unfortunately, can be, and are Many and Varied. usually it has to do with the Voltages being wrong, often involving the Power Supply, and High tension section. There is no realistic way to repair a TV of this sophistication, in house.The tools, equipment and the need for a service manual and experience to repair is considerable. Plus when faulty, a TV can cause a fire or an explosion, so it is owed to all, that it be professionally attend to, as if a repair was done, incorrectly and there was such an event. it would be very bad for the repairer. It is my professional recommendation, that you get a free "Quote" for a repair. This way you can make an informed safe decision to repair or replace.
Posted on Mar 27, 2010
use this training service manual to troubleshoot and isolate the problem. So, it is nearly always my professional opinion that one should always get a "Quote" from the manufacturers recommended service center, I cannot stress how important that last point is. It is even worth the cost of shipping. you see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace. Often my clients,do not go through with repair, unless it is moderate, but in some of the more costly jobs they see it, as do i, that a replacement, with a warranty, is a better option. As an aside here, one could then tear the TV down, and sell the Known Good bits. You'd be surprised who needs parts, i myself often must by from third party sources to effect a repair. So money could be recouped, somewhat,and help out someone else
Posted on May 08, 2010
open the back cover of you tv you can see the power supply there.using a multitester measure the output of the power supply wether there is 5 volts output...check the connectors specially the RGB fit them to the terminals...the power supply outputs are 5v,12v,and 24 volts if one of them is missing replace the power supply..
good luck!!hope this help you..
your rate is important to this help.tnx..
Posted on May 21, 2010
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