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Re: Menu pop ups
Dopy, the problem is leaky tact switches on the control board, have changed out many of these especially on the 2003 model which of course is the 32A43, part number for the switches is 23344443, swap them and your done, BMW Rider
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The menu button on the TV itself is bad and must be replaced ( or removed ). Alternatively the whole front button assembly can be disconnected. Just follow the wire back to the main chassis and unplug it.
Yes. Its probably a stuck button on the TV's front panel. Try pushing or wiggling each button on the panel. It could be the channel up/down buttons or volume up/down, menu, etc.
When there is a button that is making slight contact, it keeps the microprocessor busy attending to the command its erroneously receiving from the offending button and may not allow other functions to work when this occurs.
It doesn't matter which button is stuck, any of the symptoms you describe can happen.
it is not a bad rom. if it was a rom it would constantly act up but it only acts up upon overheating. The solution is difficult but if you open the monitor you can find all of the heatsinks take them of and replace them with bigger ones. or have a fan blowing on it at all time it is active i added bigger heatsinks to my emachine le1799 and it solved this problem of pulling up menu and changing setting by itself and the lack of the ability to turn power of.
There are probably some failing components in the uPC control area, or with the keypad board on the TV sets front panel. It is also possible that there is a problem with the filtering of the distributed power through the circuit boards of the set, and there is some noise causing a false trigger of the function.
This type of fault can take some time for the tech to figure out, unless it is a published common fault with the particular model of set where they give a list of parts to change.