Question about LG 37LC7D 37 in. LCD HDTV

1 Answer

HEY DAWNN,I HAVE THE MOD.# AND SERIAL# FOR MY LG 37LC7D FLAT TV POSTED,THANKS.

My LG flat panel tv mod# is:37lc7d-ub and product code#:37lc7d-ub.ausvlmm
SERIAL# IS:707mxjx0e996.
thanks man and help me,you can also tell me if i can repair this power supply board by changing parts you tell me or if i need to buy the whole board tell me the best solution,thanks again,FARADIO FROM PLANO,TEXAS.

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1 Answer

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  • LG Master
  • 2,800 Answers

Just change the board unless its just a fuse that is blown

Posted on Nov 15, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

SOURCE: Buying 37 inch LG TV

no, horrible tv - if your going to buy it, get a warranty

Posted on Jan 20, 2008

ALL_TECH

  • 1 Answer

SOURCE: hi shawnn,i'd like to know the if it's only power supply faulty and i need the board #?thanks man.

have the same problem and already replace ps from fleabay and still dead , looks llike the problems is on the main board.

Posted on Jun 10, 2008

Anonymous

  • 1 Answer

SOURCE: LG 37LC7D Connect to VGA from a PC

Your right. I just had the same "Invalid Input" issue as well and it completely relates to the resolution compatability with any VGA or HDMI connection. Check the LG website for the online manual if you don't have it and see the section on RGB-PC cable. There is a table that incdicates the Resolutions the LG product is capable of displaying.

Thanks for the help.

Posted on Nov 09, 2008

Anonymous

  • 1 Answer

SOURCE: how to connect speakers to LCD

there is a sound or speaker out jack on the back of the tv, this must be sent to a reciever of some sorts. any older home sound system will do. use the audio in jacks or aux. jack and your on your way!!! its not that hard !!! just take your time and it will be so easy!!!!!!

Posted on Feb 03, 2009

premtech

William Rayburn

  • 934 Answers

SOURCE: LG 37LC7D

Howard,
Do not keep forcing this unit on - - This particular unit has a VERY commonly known problem and there are at least five tech bulletins from LG explaining this and other symptoms for the failure. In a nutshell there are coils that have to be removed and replaced with a jumper wire. This is not a repair you want to tackle so please get some experienced help for this one. A good technician will look-up the bulletins and educate themselves on the manner of the repair.
Almost all of the symptoms that can happen are intermittent and can be extremely difficult to verify. For this reason make sure to discuss with the technician that he replace all of the coils listed in the bulletin not just the ones causing your particular problem. Here's a list of symptoms that these defective coils cause, taken right from the bulletin:
1. Channels Or Menu Functions Scroll On Their Own
2. Remote Does Not Function
3. Tv Randomly Powers On And Off On Its Own
4. Dead
5. No Backlight

Hope this helps!
William Rayburn, CET
Premium Technologies

Posted on Aug 03, 2009

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Your right. I just had the same "Invalid Input" issue as well and it completely relates to the resolution compatability with any VGA or HDMI connection. Check the LG website for the online manual if you don't have it and see the section on RGB-PC cable. There is a table that incdicates the Resolutions the LG product is capable of displaying.

Thanks for the help.

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