Question about RCA L32WD12 32 in. LCD HDTV

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I have a RCA L32WD12 that suddenly turned off and on by itself. Now it will not turn on at all. The red power light is on, but the tv will not come on with remote or manually.

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There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 14, 2009

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Dry joins on the small pcb with the blue rele. On my Thomson 27LB130S5 with the same chassis (IFC130) and the same symptoms that solve the problem.

Posted on Sep 27, 2012

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1 Answer

RCA L32WD12 will not turn on without several trys


Likely bad filter caps in the power supply---if you look inside and find this it may be a easy repair.


12_18_2012_8_17_56_pm.jpg12_18_2012_8_18_17_pm.jpg

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2 Answers

No power


Great link Ekse.
Keep in mind that those parts are pulled from TV and their life expectancy might be short as well.
I've fixed hundress of power supplies with the same failures, about 80% failed due to defective capacitors the other 20% is due to other components in the power supply circuitry.

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Hey folks: I found that the power supply in these rca L32wd12 to be full of open Capacitors as well as the relay card that has a SMPS circuit also to have bad caps. Replace all of these and this fixed the one I worked on. Remember all new caps are craps.

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The failure on these LCDs is mostly with a defective power supply. It appears like the voltage is not enough to make it work.
I repair these power supplies, let me know if you require further assistance. You can also write to jah2mil@hotmail.com for more info.

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I had the same problem happen this afternoon, so I took it apart, and the source of the problem is the key controller panel (behind the buttons). It's held in place by 2 screws, if you take the case apart, which is literally only 15 or 20 screws, and then loosen the 2 screws holding the key controller panel on, and then use a small screwdriver to space it out from the button caps. Tighten the screws, and put it back together. Just be careful not to let it go too far to the other side, or you'll have a problem with the menu going on and off at random, which is just as annoying.

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