Question about LG 42PX5D 42 in. Plasma HDTV

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Have sound but screen is black and does not appear to respond to any command - can scroll through inputs (as can hear sound changes) but nothing on the screen - can this be fixed?

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Zsus board is the problem. need to replace board.

Posted on Jul 30, 2010

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1 Answer

Blank screen


Any error message about inputs? Maybe that clicking sound happens when iit connects to the selected input, but nothing is connected. Can you scroll thru all the inputs? If so, turn on any devices connected to the JVC and scroll thru each input to find the one you're looking for.

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Check to make sure you have the right input selected for the input that ou have plugged into.

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My 47" LCD Smart T.V. was working fine last night. I got up this morning and I have sound but no picture. The VIZIO icon lights up as usual but I get no picture, only sound. From the time I turned it on, nothing appeared on the screen. I have already tried unplugging it for a while and still nothing.

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Sharp tv keeps changing the source channel on its own


you may fave a faulty switch in the key controller, may best advice is replace it


Part numbers:
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1 Answer

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Try using your AV1 connection
You are using your TV remote to select the input source
Regards
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1 Answer

I accidentally pressed a wrong button when I was changing back to TV after watching a video. then the screen became snowy and I'm unable to get back to TV mode. I need help!


Hello rgas,
do you know if you have cable or satellite? Look on your remote and for a button called input or source and click on it. Remember what input it is set on first then try changing through each input. See if you get anything. If nothing still, go back to the original input it was on and change the channel to channel 3. If you have cable or satellite, turn it on. If nothing appears, go to input/source scroll through each input and hopefully you should get a picture. Good luck.
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1 Answer

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Hello,

To clear the memory of your calculator
Press [2nd][+] to acces the memory management screen, scroll down to 4:or just press 4 then ENTER.
The Home screen appears, displaying your command.
Press ENTER, the calculator responds with Done. And you are done.

On the same screen where you find ClrAllLists, you can also execute the Clear Entries command, and it will erase all the things that you entered through the keyboard.



Hope it helps

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1 Answer

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Sounds like you need to do a hard reset on the device. Try pulling out the battery while the device is on, leave out for 15 seconds and then put back in.

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1 Answer

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Ok, There are well three boards in this set that would influence such a behavior. The culprit is the Key Pad Board. It has what is called a leaky switch. This then locks up the Microprocessor. This will result in the set operating like a ghost has the remote.

best regards
CircuitCity

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