Question about RCA P46924 46" Rear Projection Television

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TV will not turn on

When trying to turn TV on for last week or so, had to push button (remote or on the set itself) at least 7-8 times. It would finally come on. Then yesterday while watching it, it just made a loud noise, and went off. When I tried to turn it back on, it came on for a few seconds, made the loud noise, and went back off. Now it will not come on at all. It is an RCA Home Theater. Made in 1992. Model #P46130W1C. Any ideas?

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  • Diane Watts Mar 18, 2007

    model # is P46130WK



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Probably needs a new HV Splitter block, they are very difficult to replace and can usually be accessed thru the front behind the speaker grill and behind convergence board.

Posted on Jul 27, 2007


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I assume model number here is correct--if set is scanning either just up or just down in channels that is an issue with the related button on the set itself.

I am going to take the time to explain here as I want to help you.

Let us say for example when turned on set scans UP constantly thru the channels and will not stop. Remote seems not to work and has no effect on this.

What you have in this case (if scanning down different button) is the up channel button on the set is BAD. It may look perfect but it is the cause of this (trust 30 years of TV repair here).

Each button on the set itself has a tiny micro switch than when the button is pressed acts to perform that feature and when released stops.

Keyboard (the button array) has priority over the remote--hence the remote cannot stop this action.

The tiny switches fail in exactly this way--instead of when released stopping they still try to function.

This is rare but I have seen in a few hundred sets this kind of problem--be grateful it is not the vol up doing it.

How to prove and or solve this issue?

Someone needs to gain access to the pc board with the buttons/switches and disable the (channel up or down) switch causing this problem--most switches will have just two pins to unsolder to do that---may be a few more pins for mounting but only two for the switch.

Many sets if the keyboard is up front also have the remote receiver there so you if that is the case cannot just disconnect the board.

With the correct switch (push button) eliminated out of circuit the set will work normally with the remote.

Repair: either locate and replace the entire tiny board or just leave the offensive button disconnected and use just the remote for that function.

Please, if you have questions make a comment here (make a comment button) and I will try to help.


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