Question about RCA L46WD22 Television

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I am having a problem with an RCA tv..unusable signal.

I am having a problem with an RCA tv...screen says unusable signal, and won't show anything else. Is this the fuse that you all are talking about? If so, how do you put the new fuse in? Thanks!

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Make sure that you have it set to the right input signal source and that your source is working properly. if so then yeah, you need to replace the fuzle modulator.

Posted on May 02, 2009

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Fuzle modulator..either a typo, a translation program problem..or bs..search google..the only thing you will find about a "fuzle modulator" is this post, and the 8 others exactly like it on fixya, so im going with bs

Posted on May 28, 2012

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1 Answer

My rca tv has unusable signal onit


Hi, Check the cable connections to and from the TV.
Change the channels to see if there are others that are out.
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The back lights inverter is working because you can see the "Unusable Signal' on the screen, if the inverter is dead, yoo will see nothing on the screen at all.
If the T-CON (LCD controller) is dead, you will see just gray glowing screen with no pictures or text.
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Parts for your TV:
http://www.shopjimmy.com/catalogsearch/result/index/?q=RCA+L46WD22+&stock=all&limit=100

This is going to be difficult repair since you do have a way to try out the replacement board to be sure that is the problem. RCA service person has that advantage of parts in stock to try out.
I estimate the board from Jimmy to be about $150, from RCA will be twice as much, plus labor.

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

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1 Answer

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Ok. PCB means Printed Circuit Board.
It looks similar to the picture down below. A part must have gone bad on your PC board. So, the RCA shop ordered a replacement PC board to fix the problem. It's an interchangeable part. All newer TV now have PC boards, which each one hold a different function.ebc3c7f.jpg

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