Question about HP LC3040N 30 in. HD-Ready LCD Television

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Back Light Failure???

I have the same problem, I have not authorized service person in my area, so HP did send some one to fix it and didn't send the right parts. Its been escalated until after "the holidays" being Canadian I asked what holidays??? Presidents day, not "its a holiday in the US" on Monday... what an arrogant attitude to display, when he has my file in front of him, no help-just attitude. will post after management calls me... I think this may be a system wide premature failure on this part.

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  • jpilar Nov 24, 2008

    Same problem as others with screen going black. Now the power switch is stuck in "off" mode.
    I need two parts it appears.


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2 Answers

They actually replaced the TV - out of warrenty... might be a refurb though?? I actually found the lcdparts sight a few days after my post... at least I know if it happens again!

Posted on Mar 07, 2008

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I had the same problem. Based on other resutls of a Google search, I replaced the backlight inverter board. That fixed the problem. I got my substitute board from http://www.lcdparts.net/LCDTVInverterdetail.aspx?InverterOriginal=V144-001MSS.

All you need to replace the board is ap hilipps head screw driver and be comfortable taking electronics apart and handling PC boards (you need to take a couple of layers off before you get to the board).

Posted on Mar 07, 2008

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Posted on Jan 02, 2017

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1 Answer

Our tv screen went completely black. There is sound, but no picture. We have tried unplugging it and replugging it, but it didn't fix the problem. We read a suggestion to reset the tv, but how?


hI AS YOU DID NOT GIVE A MAKE OR MODEL I CAN NOT GIVE A PRECISE ANSWER BUT IT SOUNDS LIKE YOU HAVE NO BACK LIGHT. THIS IS USUALLT DUE TO A FAILURE OF THE INVERTOR ASSY OR AT WORSE THE BACK LIGHT IN THE SCREEN.
YOU NEED A SERVICE ENGINEER TO CONFIRM

Jul 05, 2011 | Televison & Video

1 Answer

I have a Panasonic Model TC-P50S1 plasma TV and the red indicator light continuously blinks and the TV never does come on. Can this be fixed?


Panasonic utilizes the blinking light as a form of self-diagnostics, similar to the "check engine" light in your car. If you've ever experienced that, you know that a check engine light could indicate anything from a loose gas cap to a major failure.

Panasonic uses the number of times the light blinks, to aid the technician in trouble-shooting the problem. The blinking light indicates an area of concern and helps the technician to isolate the problem and order the correct parts. This in turn speeds up the repair process, keeps parts cost down, and helps both you and the servicer by allowing the technician to complete a repair in one trip in most cases.
So contact an authorized service center.

May 28, 2011 | Panasonic TC-P50S1 50 in. Plasma LCD HDTV

1 Answer

Toshiba 50hp66 The tv shuts off and the red light


Sounds like a system failure - one of the controller boards may have gone bad. If the unit is still under warranty, contact Toshiba for warranty service. Otherwise you will need to contact one of the authorized service centers or your local TV repair guy to arrange for repair.

Nov 08, 2009 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

Screen has light red tone in black level


sparkling red pixels. or misfiring pixels.
There is a chance to adjust the screen. has to be done for an authorized service center. Call them and find the closest to your area.

Apr 14, 2009 | Samsung HP-T4254 42 in. Plasma Television

1 Answer

LG Plasma wont turn on


yeah I'm miles from the nearest town with a 2 hour drive in any direction. With same problem ! Good news is i dont care how dumb a person is a 1st grader could fix this one. very simple to correct. contact PartStore.com order a power supply and replace it yourself, nothing difficult at all about this one ,so long as you can handle a screwdriver.

Jan 05, 2009 | Vizio P4 46 in. HD-Ready Plasma Television

2 Answers

Problem w/ "Cable In" connection socket on Mintek DTV-373-D 37" HDTV


I am having a problem with my DTV-373 also. I called QVC customer service and they gave me a number to call for service. My unit is under warranty also. When you call this number one of the promts is "Press 1 if you bought your product from QVC". The person will take your name and address. They will send a repair kit to your house. When you receive the kit you call the number back and they will send a service person to your house to fix it. Mintek has gone bankrupt but this service was hired to fix problems and cover warranty. QVC has done a great job with this. I am sorry I do not have the number in front of me at the moment.

Oct 04, 2007 | Mintek DTV-373-D 37 in. LCD HDTV

1 Answer

42"plasma tv


Usualy when there is a pop or bang, you can be sure that a component physicaly blew up inside!

The fix is to change the associated circuit board(s), or if possible the parts inlvolved. The cause of failure must also be found.

You local TV service man will most likely not be able to properly service this type of set, unless he is properly trained and equiped for this type of service, has access to all the proper test facilities, service manuals, and spare parts.

I would suggest finding out who the authorized service rep is in your area and send them the set for an estimate.

Jerry G.

Jun 24, 2007 | Hyundai ImageQuest HP4240 42 in. Plasma...

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