Question about LG 42LC42 LCD-TV 42 in. LCD TV/HD Combo

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Tv won't turn on - power SUPPLY OK

Red standby light was flashing red for a few days. Now we can't get any power at all. lg model 32lc2du-u3 Hi, I hope you can help me too, you seem to know what your talking about. I am having an on going problem with my LG 42LC2DB LCD Tv. When I turn the set on the standby LED turns from RED to GREEN. Unfortunately the TV doesn't turn on unless I briefly remove the power cord from the rear of the set, then everything is back to normal for a period. Any ideas would be a great help. Many thanks, Steve

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Bad main pcb

Posted on Jun 07, 2009

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Q: Red standby light was flashing red for a few days. Now we can't get any power at all. lg model 32lc2du-u3 A: Power supply problem.... I can explain to you how to fix via email with detailed...


First: service manuals http://elektrotanya.com/?q=showresult&megnev=lg&megnev2=32lc2du-u3%20&kategoria=tv&kat2=all
Second: most failure in power supply module is due to bad caps with domed top, you should inspect for that first, main AC fuse for main power.
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Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
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