Question about RCA L42WD22 42 in. LCD Television

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I have a l42wd22yx5 The screen shows unusable signal, I will change out the 650ma fuse, I was looking for a pic of the fuse in it's location

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Posted on Jan 02, 2017

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The Slash
  • 53 Answers

SOURCE: Unusable Signal

Hello Mike:

The issue that you are having is with your small signal board and it needs to be replaced, it sounds like the microprocessor on that board is getting locked up.

Posted on Aug 19, 2008

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  • 23 Answers

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

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

dave1645
  • 834 Answers

SOURCE: THE tv L42WD22YX5 turn on ok , apear unusable

your mainboard is failing and will need to replace this company as well as many others do not sell part seperatly only at board level you can try shopjimmy.com or call a local shop to help you

Posted on Dec 02, 2009

  • 2 Answers

SOURCE: I have an rca L42WD22YX5 that just went to a blank

i had this happen last year, now my tv is messed up again. when we had the problem with the unusable signal, the tv repair shop told us it was the main motherboard that caused it. ended up paying $250.00 to have it fixed. Now, our tv is broke again, this morning turned it on, got the green light, then just started flashing red, hasnt worked any at all today, reset it and everything. My suggestion, if you can afford to buy a new tv, do it, because I called the repair shop again this morning about the new problem, they said after the 1 year warrentt from rca runs out all they do is tear up. My tv isnt even 4 years old, bought it at the end of 2007, now its tore up twice, going to purchase a samsung in the morning from brandsmart. Good Luck!

Posted on Sep 24, 2010

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1 Answer

32 LCD tv pic went out suddenly, sound works, fuse is good, signal is good to tv


You have bad capacitors in this unit. Replace capacitor (location) 2074 which is a 25 volt 2200Mf at 105 degrees. Change capacitor (location) 2081 which is a 35 volt 1200 Mf at 105 degrees. Change capacitor (location) 2066 which is a 16 volt 10Mf at 105 degrees. And to complete final repairs change out surface mount capacitors (locations) 2H08 and 2H09. The part numbers for these two identical surface mount caps is..223886975478. And one should consider changing the color crystal, also a surface mount. The number for this crystal is 823827736071. If unable to do this yourself, find a TV tech and show them this repair instruction. Good luck and show a few hands of support.

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Hello my RCa L42WD22YX5 is not working , we


Try to reset unit to factory defaults. There may be a button for that or a code to do it with. If nada available, contact mfg for the hidden code if one

Sep 03, 2017 | RCA Televison & Video

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RCA LCD TV L42wd22YX5 - Gets unusual signal to all inputs


Tries Ebay.com,Shopjimmy.com for used signal tuner main board.

Jan 03, 2010 | RCA L42WD22 42 in. LCD Television

1 Answer

THE tv L42WD22YX5 turn on ok , apear unusable signal no sound no video what problem is_


your mainboard is failing and will need to replace this company as well as many others do not sell part seperatly only at board level you can try shopjimmy.com or call a local shop to help you

Dec 02, 2009 | RCA L42WD22 42 in. LCD Television

1 Answer

I have an rca L42WD22YX5 that just went to a blank screen yesterday. The screen keeps reading unusable signal. It is only 14 months old.


i had this happen last year, now my tv is messed up again. when we had the problem with the unusable signal, the tv repair shop told us it was the main motherboard that caused it. ended up paying $250.00 to have it fixed. Now, our tv is broke again, this morning turned it on, got the green light, then just started flashing red, hasnt worked any at all today, reset it and everything. My suggestion, if you can afford to buy a new tv, do it, because I called the repair shop again this morning about the new problem, they said after the 1 year warrentt from rca runs out all they do is tear up. My tv isnt even 4 years old, bought it at the end of 2007, now its tore up twice, going to purchase a samsung in the morning from brandsmart. Good Luck!

Sep 29, 2009 | RCA L42WD22 42 in. LCD Television

2 Answers

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


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.

Mar 11, 2009 | RCA L46WD22 Television

3 Answers

RCS Scenium


What is your TV input connection? Are you using Antenna? Cable? Dish?

The Unusable Signal sounds like the TV is not getting a signal. Does your TV have a built in HD Tuner?

If you are using Antenna you might want to try setting up the connections and it should search for quality channels that you get good signal strength. If you are on channel 2 and there is no over the air channel 2 it may say "unusable signal".

Sep 24, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

RCA TV


my tv shows a black screen with words saying...UNUSABLE SIGNAL

Sep 07, 2008 | Televison & Video

2 Answers

Unusable Signal


Hello Mike:

The issue that you are having is with your small signal board and it needs to be replaced, it sounds like the microprocessor on that board is getting locked up.

Aug 19, 2008 | RCA L42WD22 42 in. LCD Television

2 Answers

L46wd22 rca 46" flat screen


ok....i know what is wrong with your set.. it is a small (very small micro fuse. rca has issued bulliten to service centers on the problem.. getting the fuse and describing where it is then soldering might be the difficult problem here.. but let me give it a try. it is located on the main signal board in a shelded covered board called the main signal board. The fuse, 1C33,is located approximately 2 inches behing the tuner The surface mounted part has various markings on
the original part from “105” to “F”
and is located below the board marking “7C32'
Replacement fuse #275819 can be placed directly over the top and soldered to the ends of the existing fuse
to lessen the chances of damaging the board traces.
all that being said.. this is some trick soldering.. and unless your a tech i would not recomend such a repair.. i cant speak for all shops but such a repair is not that difficult for most techs and cost about 125 to 200. So good luck and let me know how it go's or if i can give any more detailed info

Jun 10, 2008 | RCA HD65W140 65" Rear Projection...

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