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Screen says ''unusable signal''

Repair man said tv is dead. We called RCA and got a repair number. I don't want it repaired, I want it replaced

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Okay,if you purchase this TV brand new at a Best Buy or Circuit City within 30 days,i don't see you will have another problem to have them replace it for you?If you have purchase it brand new with other retailers,you need to read their warranty status.If they do not specify within 30 days or one year warranty by THEIR company with a replacement guaranteed,you will have a hard time to get a new tv from this retailer.
If you bought online,sorry man:(
solutiodoct

Posted on Nov 11, 2008

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6ya6ya
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Posted on Jan 02, 2017

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SHARP LC-37SH20U GREEN LIGHT BLINKING BLANK SCREEN NO SOUND HAD A POWER OUTAGE & NOW IT WILL NOT TURN OFF UNLESS YOU UNPLUG FROM POWER SOURCE & IT WILL NOT GIVE PICTURE ABOUT 2 YEARS OLD CALLED...


The tv Tuner signal board is it shorted and the caused,that the board where ur tv signal cable wire plug in for tv broadcasting air tv stations.This tv Tuner signal board must be replaced,u can do it if u some basic mechanicals skills like take things aparts and putting it back together again?Yes?U tries websites like Shopjimmy.com,Ebay.com to buy a whole tv refurbish tv Tuner signal board for the replacement.Or must get a priced quote by tvs repair shops,replaced an repair by thems.

Jul 26, 2011 | Sharp LC37SH20U 37 in. LCD Television

4 Answers

My RCA L46WD22 TV turns on but there is no picture or sound, just "unusable signal" message.


This is a very common problem with these models.
The problem is a fuse that has blown, if the following is true:
No Video on any input BUT HDMI and
No Audio at all.
Purchase a fuse, these are freaking tiny from digitalkey.com or mouser.com F1455ct-nd
Pull the back off of your unit
Pull the cover off of the PCB housing. It is the box that contains the hook ups including the cable tuner.
The silver box that you screw the cable to is where you begin to look for this fuse.
About two inches behind this silver box is some numbers printed on the board 7c32 and partially obscured will be 1c33
Using a big magnifier look next to the numbers listed above, you should see a tiny rectangle fuse with an F on it.
This F fuse is a 500ma fuse that is too small for the load
The fuse listed above will have a G on it. It is a 750ma fuse.
Call the repair shops in your area, tell them that you know the problem, have the part and you want to know how much the bench time and labor will be to repair your unit.

Jul 21, 2010 | RCA L46WD22 Television

1 Answer

42 inch rca lcd tv says unusable signal


This is a very common problem with these models.
The problem is very likely a fuse that has blown, if the following is true:
No Video on any input BUT HDMI and
No Audio at all.
Purchase a fuse, these are freaking tiny from digitalkey.com or mouser.com F1455ct-nd
Pull the back off of your unit
Pull the cover off of the PCB housing. It is the box that contains the hook ups including the cable tuner.
The silver box that you screw the cable to is where you begin to look for this fuse.
About two inches behind this silver box is some numbers printed on the board 7c32 and partially obscured will be 1c33
Using a big magnifier look next to the numbers listed above, you should see a tiny rectangle fuse with an F on it.
This F fuse is a 500ma fuse that is too small for the load
The fuse listed above will have a G on it. It is a 750ma fuse.
Call the repair shops in your area, tell them that you know the problem, have the part and you want to know how much the bench time and labor will be to repair your unit.

Jul 20, 2010 | RCA L46WD22 Television

1 Answer

RCA L46WD22 LCD tv (3 year-old unit)...No picture, tried unplugging for a few hours to ''re-set'' the computer...nothing, tried to view a DVD, nothing, just a black screen with the ''unusable signal''...


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.
You may have problem with video processor in the main logic board (tuner, audio, source selector).
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

Jun 28, 2010 | RCA L46WD22 Television

1 Answer

Unusable Signal Message


I can;t keep my DISH satillite to turn on. when I turn the tv on and hook up the cales i get unusable signal and blue screen

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2 Answers

42 RCA TV flashing unusable signal


Ur backlight video board it dead,must replaced.

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2 Answers

My screen image is concave, like a funhouse mirror. The image is distorted at the top and bottom of the screen. Any suggestions?


it is called pincushion circuit. either the diode went bad, the capacitors, or just maybe a simple solderond the bad connections.

Nov 17, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

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!

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1 Answer

Green lines? Greenish tint to black colors on tv


ohh noooo call a good repair man...
tap on the green crt and check for liquid on the board

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2 Answers

Unusable Signal


Hi. What you need to do is plug in a cable or Antena in its place, and reprogram the channels. if you did that, then try to use a VCR or DVD player and install it using the RCA cables. Install the cable to the DVD or the VCR. If nothing works, My TV has a crack in the LCD. I'll either sell it to you, or buy yours. Let me know. Thanks.... email me to hajum30@yahoo.com
Thank You...

Sep 29, 2007 | RCA L46WD22 Television

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