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Rca tv l37wd12 not power up any know problems with this model

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Most failure in the LCD flat panel TV are the power supply module and the backlight inverter board.
Check the power supply module first for blown main AC fuse, bad DC filter caps, burnt parts, cold solder joints.
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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Please post back what you find.

Posted on Aug 01, 2010

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Posted on Jan 02, 2017

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My 37 in rca, model # L37WD12, Will not fully turn on. it tries to come on, but the green light just flashes. and the tv makes a small ticking noise that goes with the flashing. how do i fix this or what...


The inverter is probably bad - the ticking noise you hear is high voltage that is trying to turn on the backlight from the inverter's transformer but cannot. The only way to fix this is to open the TV and locate the problem around the inverter circuitry. Another possibility is there is an open circuit run around the inverter and may just need some solder to bridge the open.

Jan 16, 2011 | RCA L37WD12 37 in. LCD HDTV

2 Answers

RCA L37WD12 out of control


Ur Tuner board have problems,just not dead yet.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.The Tuner board main IC have intermitten short,that why take out A/C power input work for awhile,and than back to the same problems.

Apr 22, 2010 | RCA L37WD12 37 in. LCD HDTV

1 Answer

Power light stays red and nothing comes on on my RCA L37WD12 Flat Screen what is the problem? I guess it's getting power because of the red power light, but TV is not turning on! Please HELP


I just had my Vizio which blew up and the power light stayed on and you could not turn it off on the tv you had to unplug it and then when you plug it back in same thing all over again, no picture at all , My TV made a loud pop before this happened, paid 1700 for TV and repairs were 900, bought new TV instead, never buy a Visio, there customer service totally sucks, you get a warranty and they try to screw you with an old piece of junk refurbished TV, they tried anyway, after 2 months they finally gave me my money back and I bought a totally awesome, SAMSUMG, THE WAY TO GO!! It sounds like the same deal and if it is a Visio just do a google search and see how many people it has happened to that own a visio..steve

Jun 13, 2009 | RCA L37WD12 37 in. LCD HDTV

2 Answers

Need a power supply for RCA L37wd12


This power supply might not be manufactured anymore or the only place to find it is by calling RCA but that is a pricey board. You can also check this website and ask them if they have one. It appears like they do not have stock but you can call them just in case they have not updated the site.
I can also help you in repairing the defective power supply if you still have it. Write to jah2mil@hotmail.com if you need further assistance.

Apr 04, 2009 | RCA L37WD12 37 in. LCD HDTV

1 Answer

Power lit on but no picture.


you might just have a problem with the inverter cicuit section of your LCD TV, bring it to he repair shope. cheers

Nov 10, 2008 | RCA L37WD12 37 in. LCD HDTV

1 Answer

RCA 37" Flat panel TV


The inverter might be cause of this problem, theres some components defective at the inverter section, bring to repair shop for repair.cheers.

Oct 29, 2008 | RCA L37WD12 37 in. LCD HDTV

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