Question about Zenith P42W34P 42 in. EDTV-Ready Plasma Television

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When i turn tv on it adamaticly turns off and red light turns on

And red light turns on but tv dont

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Try a power drain first: 
1. Unplug the product's power cable so that the device is not grounded to the house.  Do not simply turn off the power-bar if one is in use.
2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on.
If this still doesn't help, you probably have a power supply or mainboard issue preventing the TV from fully powering on.

Posted on Dec 10, 2008

  • Michael Demingware
    Michael Demingware May 31, 2014

    I tried the above solution for my 46" Sanyo flatscreen and after holding the power button for 1min and plugging back in it did light up the green light but shut of imediatly after. Does that mean the power board needs replacing?

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Posted on Jan 02, 2017

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LG 26LH2000 television. Last 2 days when I turned my TV on there was only sound, and black screen.


back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
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Red exclamation point on verizon set top box


How to reset your Set Top Box to fix common problems FiOS TV Residential...
Resetting your Router and Set-Top Box can resolve a variety of issues such as:
  • Missing Interactive Media Guide (IMG) or On Demand menu
  • Unresponsive Set-Top Box
  • DVR recording problems
If you are having any of these issues, you may need to reset your Router and Set-Top Box. Will resetting my Set-Top Box erase the selections I have programmed into my remote?
No, all settings and selections you've entered such as device codes, favorite channels, and recent On Demand selections are saved and available after resetting your Set-Top Box.

Resetting your Router and Set-Top Box
Always reset your Router first and then check to see if that resolves the issue. Resetting your router may be all that is needed.
Important note about your router To avoid problems with your FiOS TV service, make sure your router is plugged in and turned on at all times. Even if you are not currently using the Internet, your router still needs be turned on so that FiOS TV can function properly.
To manually reset your router:
  1. Unplug the power cord to your Router for 15 seconds and then plug it back into the electrical outlet.
  2. Wait 30 seconds and then check to see if this resolves the trouble. If you still have the problem, follow the steps below to reset your Set-Top Box.
To manually reset your Set-Top Box:
  1. Unplug the power cord to your Set-Top Box from the electrical outlet for 15 seconds and then plug it back in.

    Note: Don't confuse the power cord that provides electricity to your Set-Top Box with the coaxial cable that is connected to the back of your Set-Top Box. Unplugging the coaxial cable will not reset your Set-Top Box. Since many issues can occur if your coaxial cable is not securely fastened, now would be a good time to check to ensure all connections are securely connected.
  2. Wait for the time to appear on the front of the Set-Top Box, then power it on.
  3. Wait several minutes while the Interactive Media Guide updates.
  4. Check to see if this resolves the trouble. If you still have the problem, your Set-Top Box may need to be re-initialized. Contact the Fiber Solutions Customer Support for further assistance.
I have to reset my Set-Top Box frequently, is this normal?
No, if you routinely have to reset your Set-Top Box more than three times a week, it is likely there is an issue with your Set-Top Box that needs to be resolved. Contact the Fiber Solutions Customer Support for further assistance.


also you can call for tech support at Dial 1-800-VERIZON (1-800-837-4966)

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1 Answer

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Check with this method. Manually turn on your tv.
Then push and hold the code saerch button until the light stays lighted release the button.
Push and release the device button you want to set TV.
Now you got to push and release the ON/OFF button until your device turn off when your device turn off stop and push and release the enter button for storage the code.
Warning: You may push and release the ON/ OFF button for almost 200 times.
Good luck.














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