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Re: mitsubishi big screen
Are you looking for the circuit board control panel? Or the actual frame that houses the buttons/ I have access to tons of mitsubishi parts.. Let me know what it is that youre looking for, I should be able to help you.
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Look inside front panel under RHS picture tube for leaked fluid. If you see a puddle on signal board, take tv to street - it is unrepairable then. The coolant is poisionous. If that looks ok, then make sure you're using original Mits. remote. Hope this helps.
The front buttons need to be replaced. I would replace them all due to no being able to tell which ones are the bad ones. It should fix the problem.
The part # of these Tactile switches is 432P089010. Mitsubishi's parts department phone is 800-553-7278.
The two front grill covers pull off and the front plastic housing unscrews from the front.
Hope this helps,
I had same problem and discovered one of the little buttons on the front of the TV was stuck down. Don't know why, unless the maid bumped it hard as we never use them. Anyway, I poked/wiggled a few times at each button and the problem stopped.
I was tring to remove the concave off my screen and came across a setting where you can make the picture larger or smaller. On the TV, not the remote, press and hold the menu button, press and release the power button, press and release the volume up button and release the menu button. P0 and V0 will be displayed on the screen press the volume up button until the V0 is V76. Press the channel up button until P0 is P11 and press the volume up/down button to make the picture larger/smaller. If you need to center the picture press the channel down button until P11 is P10 and press the volume up/down button to center your picture. I hope this helps
I figured it out. It is, in fact, the front panel board. Disconnecting it sloves all issues. A contact in one of the tact switches must be stuck or giving an abnormal resistance value to the system. Once disconnected, the remote works correctly. I'd rather replace the entire board than try fixing/replacing a tact button only to have another fail in the future. I've heard this has also been an issue with the power button.