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I have a RCA model p61937 home theater and the volume go down by it self then I cna;t get it to work none , when the volume go down I cant even turn the tv off the picture shows good it change channel

Sometime leaving it unplug for a hour help then it go down again.

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Posted on Jan 02, 2017

SOURCE: power turns on and off by its self

The problem is the key board controller is malfunctioning. I have contacted a multitude of supply houses even
RCA included and I have not been able to buy the part. However, you can bypass the problem by disabling the key board functions by activating the parental control item, not the password, by using the remote. All the keys on the front panel will be disabled but you can still operate the tv with the remote plus save yourself a cost on parts and labor.

Posted on Apr 13, 2008

  • 2 Answers

SOURCE: OLDER MODEL RCA HOME THEATER PICTURE AND PICTURE

Hi Unykue,

I am an electronics technician who just happened have been given the same set as you because it was giving the previous owner the same problem. Since I am confident in my trade, I took the set and diagnosed noise in the remote receivers input to the cpu.

What this means is that a capacitor( or something) wasn't working properly and was either not filtering the noise out or it was introducing noise into the data stream that controls the TV through your remote control.

My fix was to essentially cut out the entire remote control input to the TV. Since I have a directtv box to give me remote control, I don't care if the TV's remote works anyway.

The way I did this was to open up the unit and find the front I/O board were the buttons meet the switches for power,chaennel, volume, etc. On that board there is a plug with white wires and one black wire. The two wires to cut are the one next to the black wire and the one all the way at the other end of the black wire. These two wires are easy to splice back if you do not like the results of this procedure so that there is really no risk of damaging your set. If you wish to verify the proper wires to cut, they are the two wires that come from the IR receiver's side of the board YET DO NOT GO TO THE OTHER SIDE WITH THE BUTTONS! There is one wire that does indeed go to both sides.

This may not be a perfect solution but it is free. I hope that this will help someone out there.

Len

Posted on Dec 09, 2008

  • 668 Answers

SOURCE: i was watching tv when suddenly the volume control

The front panel Tactile Switches probably need to be replaced. The part # of the switches is 23344507. You can order them through Encompass Elect. 800-638-3328.
Hope this helps,
Skyassoc

Posted on Jul 02, 2009

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