Re: 42" LG no backlights
this one right...
cbriggz
Member
Last Activity: 11-20-2012, 11:36 AM
Joined: 10-16-2012
Location: Runnemede NJ
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Re: 42" LG no backlights
i will can you tell me what U8 is please lol. Remember im new at this!!!Leave a comment:
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Re: 42" LG no backlights
hahaha replacing the board or buying a new TV???Leave a comment:
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Re: 42" LG no backlights
ok well for the price i will give it a try, wife bought me a new 55 LED so this is really just a learning lesson(and to prove that i can fix it lol). Thanks again will post when i get the new board.Leave a comment:
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Re: 42" LG no backlights
found replacement board on ebay for 45 dollars. Do you think that will solve my problem??Leave a comment:
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Re: 42" LG no backlights
the one spot is not where a jumper is. i circled where it is on the pic. That part also makes a strange noise when i plug in the television. It is the first one on the top of the board. not the one pictured...Leave a comment:
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Re: 42" LG no backlights
what about the other spots i highlighted they look burnt too?? Should i just order a new board?Leave a comment:
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Re: 42" LG no backlights
here is the area that you are looking at on the front side....Last edited by cbriggz; 10-23-2012, 09:42 AM.Leave a comment:
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Re: 42" LG no backlights
Ok guys sorry it took me so long to repost had a very busy weekend. Had
24v coming off the board to the master and slave inverters. I then tested all the fuses and inspected the boards a little closer. Looks like i found the problem.... check this pic out tell me what you think. One of the little black fuses that was labeled Zero just fell off when i moved the board right were it looks burnt....Leave a comment:
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Re: 42" LG no backlights
i will take some close ups of that area tonight. i was looking for a small black fuse but didnt see one. will post later thanks!!!!Leave a comment:
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Re: 42" LG no backlights
ok thanksLeave a comment:
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Re: 42" LG no backlights
not sure will check when i get home and repost thanks again. If so how do i go about testing the voltage on these?Leave a comment:
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Re: 42" LG no backlights
i am new to this so not too sure where to begin checking the voltages. There is power at the main board and i see there is power to the board where you plug the components into(there is a little green light that is on). I have looked at the master and slave inverters and cannot see anything burnt or shorted out.Leave a comment:
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Re: 42" LG no backlights
can anyone help?Leave a comment:
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Re: 42" LG no backlights
here are some pics...Leave a comment:
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Re: 42" LG no backlights
ok will do when i get home from work. thanksLeave a comment:
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Re: 42" LG no backlights
what should i take pictures of? all the boards? the back of the unit is off already.Leave a comment:
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42" LG no backlights
hey guys i am new at this but was looking for some help. I have a 42" LG lcd (model #42LG50-UA) that when i turn it on the power light flashes twice then turns blue just like it did when it was working correctly. I havent ever had any other problems with this unit and this was def. out of the blue. I took apart the back of unit and dont see any visual damage. the screen turns on for about 3 seconds and then shuts off. there is sound so was wondering if anyone can help walk me through this?
Thanks
chris
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