Question about LG 37LC7D 37 in. LCD HDTV

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My LG 37LC7D picture has gone squirrelly and the local tv tech says it is a Logic board. I know he doesn't have a board to plug in and try. Is this as simple as replacing the logic board? He seems to not repair as many, if not more, then he does repair, so my faith is somewhat shaky.

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Yes it is just rember to un plug tv first and were all wires go back ( take picture )

Posted on Dec 12, 2009


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I want to replace the power supply on an LG 37LC7D-UB.AUSVLMM TV. I can't find the part #.

Below is a couple links for the board you need, shopjimmy is out of the board and personally I'd wait tell he gets one in, ordering boards on eBay is kind of risky, a lot of people stripping TV's that are laying along the road or where ever, the boards are taken out and sold, figuring at least one board is good in the set where shopjimmy actually tests the boards and will help if you need it...
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I have a LG 37LC7D-UB tv. Trying to find part # 37LC7D-UB.AUSTLJM or Cap Kit for such. But when I find the part, say on EBay or other supply houses the board # is not the same. any tips on making sure

Ask eBay sellers to send you pictures and compare those to the original component, alternatively send eBay sellers pictures of your part and see if they can confirm they have the replacement for it.

If you want to change the caps, they should all be stamped with their ratings, you could order them individually from electronics suppliers. Just make sure you order the same ones in replacement, including ensuring the replacements are the same diameter. The last thing you want is to order a load of caps that don't fit around each other.

Mar 18, 2014 | LG 37LC7D 37 in. LCD HDTV

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No sound on lg 37lc7d 37 in lcd hdtv

Apparently something else has failed on the circuit board(s).

Nov 10, 2013 | LG 37LC7D 37 in. LCD HDTV

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On/off problems with my LG 37LC7D TV. It is hooked up to Direct TV

You need to contact a local TV repair service, UNLESS you have the tools and the repair manual to repair it yourself, it will take diagnostic work to determine what is the cause, one thing is for sure you have a defective circuit board.

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My LG Lcd tv takes a minute or so to turn on then sometimes the picture flickers and goes out. The tv is on but no picture or sound. When I try to use the menu button on the tv it doesn't work. Whe

The fact that you have no menu or onscreen display, leads me to believe that it is the main logic board. Either the processor ic or the voltages going to the main board are missing. Check to see if the main board is getting 5v and 3.3v to determine if it is your power supply not supplying the voltages or your main board.

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Ur tuner board is dead.Replaced this board to get picture back.Tries, for the board part.

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