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Volume automatically goes to maximum on TCL TV

Volume automatically goes to maximum on TCL Plasma TV model pdp42u3hbk.
need to find out if it can be factory reset

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The volume (+) button on the TV is stuck or soiled if the volume automatically increases when the TV is turned on. To find out:

  1. Turn off the TV.
  2. Press and hold the volume (-) button on the TV then turn it on.
  3. If the volume doesn't automatically increase, you have a stuck button.
  4. If it does increase, you have a faulty key control board.
  5. In either case, you have to replace the key control board.
To find it out further:
Warning: Beware of electric shock.Please do not proceed if you do not have the skill to do the following.
  1. Unplug the TV.
  2. Let it stand for 15 minutes to allow voltages to drain completely to avoid the risk of electric shock.
  3. Remove the screws securing the TV's back cover and pull it off.
  4. Disconnect the cable that runs from the main board to the control key board.
  5. Turn the TV on using the remote.
  6. In this manner you can use the remote control to run the TV while waiting for the control key replacement board.
To do a hard reset of the TV, unplug it and let it sit for 2 hours or long enough to completely drain the internal voltages.


Posted on Nov 20, 2009

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If you don't have a code you can do these steps to get your universal remote working with pretty much any tv:

1.) Turn your TV on. Then on your remote press the set button, it's the small gray button above the green button that says TV.

2.) Press the TV button. There should be a red light to the right of the SET button. This means that your remote is ready for the TV code.

3.) To find the TV code, press the + or - on your remote. This is located above the orange buttons. Once the volume on your TV goes up or down, stop pressing the + or - button.

4.) Then press the SET button again to set that code for your TV.

If the above steps do not work, keep trying. It will work! ;)

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