Question about RCA L42WD22 42 in. LCD Television

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Re: RCA 61" tv mod.# P61960 After one hour of normal operation, tv doesn't respond to remote control, nor does it respond to functions on tv unit. We have to unplug tv from wall ac outlet to turn it off. Any solutions? Thanks.

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  • jiro May 10, 2010

    This is a projection tv, chassis # ctc 195y.
    It has the remote sensor on a different board located on top of the projection box.
    We even unplugged the buttons board and tried it. It did the same problem: worked for 1 1/2 hours responding to the remote, then it didnot respond to the remote. The remote control works on different tv's.

  • jiro May 11, 2010

    Thanks for the tip.

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  • Master
  • 1,112 Answers

HI:
This is due to an main system control board problem. Seems the mircoprocessor is locking up on you. The general fix for this problem is to have the main system control board replaced.

Posted on May 10, 2010

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  • RCA Master
  • 19,396 Answers

Hi.

If TV stays on and does not respond to remote or to commands on chassis, you have a faulty button board, which should have a built in IR sensor.

If TV instead goes off and stays in standby, then the TV has a different fault. In that case the TV will shut down by itself staying in standby because a fault has been detected. If you are in this second situation see:Why my TV does not start up and remains in standby.

Before replacing the button board do a simple test on the remote, by flipping out the batteries for few seconds. If the remote restart working , then you may need to replace the remote. Here the part:240895 (replaces the original Part# 205501).

In case the remote is not responsible, then the control button board is usually responsible. Here the grill with button Part# 255949.
Before replacement the board must be tested. If the TV keeps functioning and TV does not respond to buttons or remote, then the part to be replaced is usually the board in the link above.

Regards.
.


Posted on May 10, 2010

  • Ginko
    Ginko May 22, 2010

    Hi.

    Sorry about the bad feedback received.

    Goodbye.


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