Question about LG 42LC2D 42 in. LCD HDTV

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Hello I have an LG 37lc7d 36 inch thats taking longer and longer to turn on once is on its fine help!

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It may have dying power supply due to bad caps, that will be the first place to check, please read below:
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Oct 05, 2010

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Posted on Jan 02, 2017

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1 Answer

No sound on an lg 37lc7d tv?


Your main pcb could still have gotten damaged due to the defective caps. The reason you still have audio through the optical is because it is a digital signal only. It is not running through the audio amplifier on the main board. I would suspect either the main pcb or the speakers them self.

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On the side or front if it has one--many sets no longer provide that.

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Tv take a long time for a picture to appear once the power is turned on. is it a problem with the set?


no some of the new> tv < they have 15 to 10 min. window power saver on them they built them like that so just incase of an elec. storm.

Feb 07, 2011 | LG 37LC7D 37 in. LCD HDTV

1 Answer

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Unplug it for about an hour to let it reset itself and try again, if it still has problem then you will have to open it up or take it to the repair shop. The power supply module will have to be looked at first to make sure all the voltages are present. Right now the 5vdc standby power supply is working and may be partially function processor.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Jul 10, 2010 | LG 37LC7D 37 in. LCD HDTV

1 Answer

LG 42LC2DR takes ages to start


Check for bad caps in the power supply.

Jul 24, 2009 | LG 37LC7D 37 in. LCD HDTV

1 Answer

I have an Insignia 36" LCD with a brown spot on the screen


Unfortunately this sounds like a problem within the screen & could only be repaired by replacing the screen totally.

Mar 21, 2009 | LG 37LC7D 37 in. LCD HDTV

1 Answer

37 inch LG LCD won't turn on due to power failure


Power failures can cause all types of problems, have you firstly checked the fuse in the mains plug? If that is ok then it may have blown an internal fuse in the power supply board, these are there to protect the rest of the circuit from power surges.

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I noticed that the power cord was loose on the back of the unit. I removed it, and plugged it as snug as it would fit. It seems ok now.

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