Question about RCA L42WD22 42 in. LCD Television

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Rca l42wd22 no picture whats the deal - RCA L42WD22 42 in. LCD Television

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It can be power supply, backlight inverter board, etc. Will need in-depth troubleshooting and a lot of reading, starting here:
http://www.badcaps.net/forum/showthread.php?t=11240

and here: then you can decide if you will want to DIY repair or not.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

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.
Please post back what you find.

Posted on Dec 31, 2010

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Posted on Jan 02, 2017

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I have a rca tv that has sound but no picture where do i start


It is ur backlight inverter board.... they are about $150 new to replace.... but the main problem is the capacitors in the board that is well known to blow on rca lcd tv's.... they cost around $2 a piece u will need 2.... make sure they are the right numbers. my was 470uf /35V.... or it will be cheaaper if u brought it to a component place to have them replaced...

Dec 05, 2011 | RCA L42WD22 42 in. LCD Television

1 Answer

Sound but no picture


The backlight inveter circuits have gone bad or not getting enough power to them.
http://www.shopjimmy.com/catalogsearch/result/index/?q=RCA+L42WD22+&stock=all&limit=200
is the part you will need

Mar 02, 2011 | RCA L42WD22 42 in. LCD Television

1 Answer

SOUND BUT NO PICTURE


The two long LCD inverter boards are dead.Replaced the 2 long inverter boards will get ur picture back.Tries websites like Shopjimmy.com,Ebay.com to buy the 2 long board LCD inverter boards for the replacement.

Jun 07, 2010 | RCA L42WD22 42 in. LCD Television

1 Answer

My flat screen tv/dvd combo has sound but no picture... but when we put a dvd in there, it does show a picture! What could be wrong??? Help!


If u able to have picture watching a dvd,than it not ur tv is the problems.Ur tv connected to a cable,satalite or a Telicom boxes?Unplug,replug these boxes about an hour later,let it reset it self,upgrade it software.Ur tv should have it picture back.

May 21, 2010 | RCA L42WD22 42 in. LCD Television

2 Answers

I like others i see on here are having the same problem with the RCA 42" TV the sound is on but the screen does not show


Ur LCD inverter is dead.Must replaced this board to have ur picture back.Tries Shopjimmy.com,Ebay.com to buy the board part.It usally a long board.

Feb 10, 2010 | RCA L42WD22 42 in. LCD Television

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HDMI Cable - No Sound L42WD22 RCA Flat Panel TV


No sound and a digital picture. i will assume you have no signal on analog rf cable. Thomson(RCA) have been having problem with these sets. The trouble stems from the digital cuircit board. We see alot of these. You used to get the digital board.. they are not availble.. so rca found the component on these that fail.. A VERY SMALL surface mounted fuse. With a lighted magnifer and some fine tip twezzers. we replace these fuses on these boards. Do you have any soldering experence..

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