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Question about LG 52SX4D 52" HDTV

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Bulb looks fine

I pulled the bulb out of my TV and I did not notice anything visually wrong with it, could it still be bad? And if its not the bulb could it be something else around it causing the red flashing light?

Posted by matt stehr on

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Henry Thomas

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Have a tech check your tv if you are not a tech you wont be able to do it your self, it is too technical good luck.

Posted on Apr 28, 2007

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Samsung 56" DLP

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter
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One of the convergence IC's has probably gone bad. There will probably be at least 2 of them probably 3 depending on model number. They are all identical and all need to be replaced. Prefix will be STK392-xxx. They vary from 15-45.00 a piece depending on which ones yours uses. They will visually look fine. Good Luck
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Hi Both my dipped headlight beams on my Sprinter van are not working, all other lights are ok. Could both bulbs have blown?

Definitely. Typically one bulb goes first, but the vehicle operator fails to notice anything wrong until the other bulb follows suit. It's then easy to make the mistake of thinking that both bulbs blew at the same time and that there's a more complicated fault.

You'll only find out what's wrong by removing the bulbs and checking, but note that a visual check is often misleading. Either use a continuity tester on the bulb or substitute a new one although it's not uncommon to find faulty new bulbs, so don't automatically assume a new one will definitely be OK. Continuity testing is definitely the best method.

Hope you get a quick fix and please take a moment to rate my answer.
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Hi joe its going to be that socket that has poor contact. It will more than likley need a the socket but try this first. unhook the battery, just so you dont blow the fuse. then remove the bulb look in the socket theres going to be 2 copper looking metal contacts bend them up alittle. this will take away the poor contact if thay are not cracked.If they are cracked you will have to get a socket.
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your lamp bulb is probably finished so get a new lamp bulb they are easy to replace just look for a small panel on the side of you tv all you need is a flat head screw driver to open the panel and you should be able to pull out the lamp bulb
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