Question about Toshiba 42HP66 42 in. LCD Television

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Toshiba 42HP66 No Picture, Only Power Works

Toshiba 42HP66 plasma TV has no picture, no sound, none of the buttons except power work. TV was working fine, turned it off by accident and then it would not come back on. When it is powered on there is a green LED power light. and a message comes on the screen, Please Wait, Thank you for your patience.

None of the other buttons work, volume, channel or input. When the TV is powered off the LED turns red.There is no sound, only the black screen and the Please Wait message.

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  • Anonymous Mar 20, 2014

    I have a JVC flat screen it worked perfect till I put it in storage it was in other for a lil over a month and now I turn it on and the power light comes on but there is no picture Thought it might just be cold at first so waited an hour and tried again and same thing

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  • Master
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Try replaced z board Manufacturer Toshiba Part Number 75003032 Description ZSUS PCB ASSY

Posted on Oct 02, 2009

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Toshiba model 42hp66 Plasma flat screen Problem No picture or sound. Pushing on button 2 clicks are heard A slight hum is heard at the Z SUS board. Green power light is on (power light is...


Hi

There are some factors of this kind of problem.

First you could have a failure in the power supply. Next could be the main board. Lastly you could have a problem with the panel itself, this would mean a new set for sure because the part cost is more than a new set.

However try troubleshooting the problem before spending money on repairing or replacing the television. Possibly you can restore the picture and sound to your television ...

Verify the TV is powered on by pressing the power button on the TV's remote or the front panel of the set. This may seem like an obvious step, but many TVs are equipped with a standby light that will illuminate if the TV is turned off, making it appear that the TV is on when it is not.Cycle through the TV's video inputs to verify that your TV is set to the right one. For instance, if you are attempting to use a digital cable converter box that is plugged into the Video 1 input and the TV is set to a Video 2 input that has nothing plugged into it, the TV will not display any picture or sound and may even say "No signal" on the screen. To cycle through the inputs, use the input selection button, typically labeled "input," "source," "TV/video" or the like.

Re-seat the video and audio input connections to verify a loose cable is not causing the TV's loss of signal. If you have a coaxial cable connected from your wall cable jack directly into the TV, it may have come loose thereby eliminating all picture and sound on the TV. Locate the connection cable or cables of whatever device you are attempting to watch and unplug them from where they plug into the TV. Plug them back in and check for a signal. If there is still no picture or sound at this point, the best option is to contact technical support for further assistance.

Apr 22, 2011 | Toshiba 42HP66 42 in. LCD Television

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I have a Toshiba 42HP66 Plasma and I have no picture or sound. It worked great and than the next time I turned it on there was nothing. It would turn on and turn off right away. I had pulled the wires to...


I have another model Toshiba LCD tv and have had the immediate turn off problem a few times before. What has worked every time for me so far is to repeatedly press the power button (on, off, on, off) about ten times or so. Then turn it on and see if it stays on this time.

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1 Answer

Toshiba 42" plasma tv 42HP66. All of a sudden, no picture.


Hello, You may have a bad power supply! Its hard to say! I need more info! please feel free to call or message me if you would like more help with your TV!

Thank you!

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

Apr 07, 2009 | Toshiba 42HP66 42 in. LCD Television

1 Answer

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I too have this problem with no help from hh Gregg, where I bought the tv, and no help from Toshiba. I resorted to calling the BBB and complaining about the defective workmanship. I took the tv, which is less than 2 years old, apart and found the y-sus board, behind the y-sus board is a foam rubber spacer to seperate the circut board from the backside of the screen. I think this pad is designed to prevent heat buildup in the y-sus board. The pad itself is held on by glue and that glue melted causing the y-sus board to short out. I noticed this after finding a tacky substance behind the board. The heat from the plasma screen melted this and also the pad itself. Toshiba claims no resposibility because the tv was out of warranty. Thanks Toshiba.

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1 Answer

42hp66


Hello, You most likely have a bad Y sustain board! Part #'s are:

6871QYH053A, 6871QYH053B, 6870QYH005B, 6871QYH953A, 6870QYH105B.

Here is a link to the part you need!

http://www.discount-merchant.com/Y-SUSTAIN-PN-6871QYH053A-6871QYH053B-6870QYH005B-p/vizio-sku9506.htm

I hope this help you! Please feel free to give me a call or message me if you have any questions! Ask for Dave!

Thank you! :-)

Dave
1-503-432-9904
pleasefixitdave@yahoo.com

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Artgirlny

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