Question about RCA Televison & Video

2 Answers

RCA TruFlat 27" TV Flips Through Channels by Itself

This unit keeps flipping through any function that it's on, channels, menu, whatever.

It doesn't have any on-board controls (no hidden front panel) - only the remote.

I used the remote to punch it in to Menu mode, but it flips through that, too. I tried removing the batteries from both of my remote controls, but no luck. Nothing external seems to be causing this, but I can't figure out why it's doing this.

When I looked to see whether the channel button on the TV was stuck, I realized that it doesn't have any on-board controls.

I've seen this problem all over the Internet now that I've got the problem and Googled it, but there's no answer - or even a hint - on how to alleviate this annoying issue.

Any ideas?

Thanks, in advance!

BGPhilbin

Posted by BGPhilbin on

  • 1 more comment 
  • BGPhilbin
    BGPhilbin Aug 11, 2008

    No settings were changed from one use to another. The TV was off overnight and upon turning it on this morning, it was flipping through the channels on its own.

  • BGPhilbin
    BGPhilbin Aug 11, 2008

    This is an RCA 27F524T TruFlat SDTV.



    I tried unplugging it and waiting a couple of hours and plugging it in again. That
    didn't work. Then I tried leaving it unplugged overnight. That didn't
    change anything.





    Then, I tried looking into the Parental Control, as suggested. As
    indicated, this is difficult because the thing is flipping through
    these choices, as well, so any choice is a "moving target".





    One of the initial choices in the Parental Controls was to Lock it, but
    I didn't want that. The only other choices under Parental Control were
    "Create Password" and "Go Back". Neither of these were of any use.



    Okay, so, any ideas?



    Thanks,



    BGPhilbin

  • BGPhilbin
    BGPhilbin Aug 12, 2008

    See, that's very simple information - if the Owner's Manual had only had a diagram outlining the location of the on board controls, I would never have had to come to you with this. Even after your description, it took some looking to find them on the top of television (your description had me looking on the side toward the top, initially, and the only reference I found in the owner's manual had me looking on the side toward the bottom). The channel button was stuck, but I simply couldn't find it. How idiotic.

    Anyway, thanks for your help!

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2 Answers

Louie Role

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  • Master
  • 6,966 Answers

Hi,

Pls post back the exact model number, it would be something like 27F522T stenciled on a sticker or name plate at the rear pf the TV.

Initially, unplug the unit from the mains hopefully to reset the system if it were a glitch for a couple of hours to dissipate whatever stored electrical energy there might be.

Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Aug 11, 2008

  • Louie  Role
    Louie Role Aug 12, 2008

    Hi again,

    Appreciate the postback and additional information.

    Normally, most RCAs of this series has a set of controls on top right side (not at the front) other than with the use of a remote. In any case, it would seem that your controller boards is faulty. It is either getting mixed signals and reacting to it (flipping) or it is falsely sensing input/control signals and erroneously displaying/reacting to it. The common denominator is the controller/logic board.

    If you are considering a DIY (do-it-yourself), this would require a fair familiarity with electronic components and circuitry, perhaps the use of a DVM and a soldering iron. Access to a service manual or at the very least a schematic diagram with voltage readings would be helpful. Should you be uncomfortable going this route, then perhaps your best bet would be to seek the services of a qualified professional.

    If you are to open the unit (with all the precautions and safety procedures in mind), foremost to check would be the big PCB (board at the bottom) specifically the logic circuitry. This section would have the remote receiver wired to it. Additionally, it would have a white multi-terminal connector (where the top controls are plug in if present). You need to check for anything out of the ordinary such as burnt resistor, bulging/blistered capacitor and for the presence of +5VDC. The white connector must be free of dust as well as the small pins of the ICs. These pins are spaced very close together. A clean 2" paint brush would be good for this as well as a vacuum/blower.

    Other than that, the service manual would provide you with a check flow (yes/no) for a detailed troubleshooting.

    Cheers.




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LORETO LACARON

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  • Master
  • 2,071 Answers

Just the tacking switch to be replaced in order to function manualy..

Posted on Aug 10, 2008

  • LORETO LACARON
    LORETO LACARON Aug 10, 2008

    if the front buttons don't work, it is usually caused by

    the TV being set in CHILD LOCK

    so got into menu and turn child lock to OFF

  • LORETO LACARON
    LORETO LACARON Aug 10, 2008

    FLIPS THROUGH CHANNELS

    Unplug at electrical outlet then plug back in and turn back on; box will then reset.


    hope this may help

    Regards,
    VOTIT


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