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Loud screeching sound tv
You are doing a process of elimination without knowing the source of the problem. There are two problems here, one is the Audio and second the Video controller. All devices rely on the Power source and Control Center. By the time you keep doing a replacement, you could have had a new TV. Unless you are a technician, Don't waste you time and money.
on Feb 26, 2014
LCD tv stopped working with bang noise
The main power regulator board should be checked. In most cases, this board might need replacement as card basis. Contact any service technician. If
you wish to get more details, check this link.
Selecting the view option, either to Mosaic
, can be selected by the drop-down list, by the top left
of the display window
, will make surf easy. You can also do a search, by type in the brand name / model
number / IC used
, in the search box at the top right of the display window.
on Nov 05, 2013
40 inch polaroid lcd tv
This is a common problem with Polaroid sets. I would check the power supply/inverter board for any capacitors with bulging tops. The typical ones that cause this problem are 10uf 450V caps.
on Jun 20, 2013
POLAROID TLA-04011C does not turn on
The most likely the TV has a power supply related problem or it maybe just a blown fuse inside the TV.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by some chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
I hope I shed some light on the subject for you.
on Mar 12, 2013
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