Question about Samsung SP-R4232 42 in. Plasma HDTV

1 Answer

Tv turns on & off on its own

Used the remote control to change the channel...tv began to turn on and off by itself. Unplugged tv for various intervals over last 24 hours...tv continues to do the same thing each time its plugged in

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  • Anonymous Aug 22, 2008

    MY TV IS LOCKED AND I PRESS THE REMOTE CONTROL AND IS LOCKED.IS A LOGIC TV

  • klovely Nov 07, 2008

    my plasma hdtv turns on and off..HELP!!!

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1 Answer

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  • Samsung Master
  • 1,635 Answers

This can be a logic control fault in the uPC, or a fault in the power supply that is triggering false commands. It can also be a cold solder connection that is in such a way that it is triggering the off/on sequence.

The set will need to be properly serviced.

Jerry G.

Posted on Apr 18, 2008

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1 Answer

Cant change from av to any input


First try a simple "reset":

1) Turn TV off. Unplug all TV inputs, and the AC plug from wall. Wait 5 minutes (I mean it, a full 5 minutes!).
2) Connect your normal TV source (cable or satellite) ONLY, then plug in and turn on the TV.
3) You may need to press the RESET key twice after connecting the signal and turning on the DTV to restore some functionality.

Now plug in ONE A/V component at a time to test. You can also try replacing any A/V cables (RCA red/yellow/white, HDMI, etc.), as cables do occasionally go bad.

Make sure TV is "tuned" to channel 3 before pressing the "input" button on remote control This is easiest done with the actual channel up/down buttons on the front of the television itself, or possibly by pressing 03 (or 03, Enter) on the remote control.

You may find that only one A/V input is bad (ex, VIDEO 1 port), while others work.. or they may all be bad.

If other functions of remote control are working (but "input" button still does nothing), could simply be a bad remote. Try eBay for a cheap replacement.

If there is not a manual "input" button on the TV itself (I think not for this particular model), and you still can't change AV input, you are probably out of luck. I recommend read included instruction manual carefully, then contact the manufacturer if needed. Instruction manual may be viewed at:
http://www.manualslib.com/manual/599522/Sanyo-Dp42746.html#manual

Do not attempt to disassemble TV. There are no user-serviceable parts inside, and even an unplugged TV can retain enough electricity (in capacitors, etc.) to seriously hurt a non-trained human. This TV is probably ~ 9 years old; parts are available (eBay, etc), but may not be worth fixing considering huge price drops on new TVs available now.

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1 Answer

Toshiba tv 40rv525u has started to change channels


My TV 40RV525U changing channels, menus itself for few months ( I use antenna).
my son tried to stop the channel scrolling by enter weird number into the channel to stop it scrolling such as 555, 777..
later, it turn on off by itself and unable to hold on a channel
I call Toshiba customer service and they ask money $25 for troubleshooting but I denied since I do not want to waste money and time.

Now, I found how to fix it myself.

In my case, something was wrong with the signal comes from the button control on the left side of the TV.
========================
What I did
========================
unplug the power cord.
Remove back cover.
Look into the motherboard ( biggest green at the center).

First, I disconnect a connector on the motherboard come from the IR board that receive the wireless signal control ( meaning the remote is disable).
I turn on the TV, press on Menu button on the TV side. Menu is still scrolling.

I turn off TV, disconnect power cord and connect the IR connector back to the motherboard.
I then disconnect the nearby connector that comes from the side control buttons.

Turn on the TV by remote, press menu button on the remote to check. The menu stays.

DONE.

I use electric tape to seal off the connector and let it hanging there.
Close the TV back panel

I have been watching TV for 3 nights without menus/channels scrolling.
NO AVAILABLE red message when watching DVD is no longer existed.

Hope this help someone else.

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1 Answer

I have a small magnavox HDTV. I unplugged it to watch it in another room. The next day when I moved it back into the living room I turned it on. Every time I try changing the channel it changes the source...


Is it a multi-function remote? If it is, make sure you've punched the TV button before using it. Also, make sure none of the buttons on the remote or the TV have accidentally been pushed down and are stuck.

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OK the cable box remote is the only one that can change channels in this case. because you are using the tuner in the cable box not the TV.
all you need the TV remote for is to turn the TV on and off and turn the sound up and down. if you used the cable input on the TV then the tv remote would be used to change the channels.

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1 Answer

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press and hold select and red until the led blinks twice
type in 0 0 6 0
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If the tv does not turn off then press tv then the power button and keep doing this until the tv turns off, once it turns off press select and it should work.

If you have any problems let me know

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4 Answers

TV turns itself on, keeps changing it's own channel


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