Question about LG Televison & Video
I REPLACE ALREADY NEW FUSE , BUT WHEN I TURN ON THE TV THE FUSE BLOWN AGAIN..
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Posted on Jan 02, 2017
If the fuse blows again after replacing it, there's a shorted diode, bridge rectifier, capacitor or transistor in the power supply.
I repair these power supplies. If you need furhter assistance, write to email@example.com
Posted on Jun 20, 2009
SOURCE: Dead TV
U know basic electronic's,and u know how to do soldering?Have soldering iron,tools and solders?The power supply board,the board that the power a/c power cord plug into it.That the power supply board have these parts call capacitors are dead.These capacitors alway bulges up on it top or puff on it top.Check all around the power supply board and it supporting boards.Replaced these dead leakage bulges up on it top or puff up on it top.Or tries websites like Shopjimmy.com,Ebay.com to buy and replaced the whole refurbish power supply board.
Posted on May 28, 2010
You have short circuits, need to check the bridge rectifier, MOSFET that drives the AC to DC converter, etc. You will have to do component level repair at this point, better off getting new power supply module. I did not anything on the web yet using your model number (correct number?) you provided. Try EBAY and www.shopjimmy.com
Please see my basic troubleshooting guide here:
Posted on Jun 26, 2010
The main fuse is found on the power board which is a the front end of the power supply. Now if the fuse has blown you can replace with the same rating fuse which can be pruchased from any electronic store. All what is needed is to confirm the value of the fuse and replace only with the same rating. However if the fuse blows out again then it is confirmed that the SMPS- the power supply unit - has failed. If so it is important to look into this circuit to recitfy . attempt only if you are technically able.
Tips to repair the SMPS
Posted on Sep 20, 2011
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