20 Most Recent NEC PlasmaSync 42MP3 42 in. Television - Page 6 Questions & Answers

If the on and off work on the TV you have a bad remote or the small board in the TV that has the sensor module on it is bad

Go to Best Buy and take a look at the universal remotes that they have.

Hello Maintenan5, The Term "I WORK in a Hotel" and "My TV" are not compatible terms... - your model number is not complete - Obvious CONTROLS have been implemented. Before I would EVER actually tell you even IF you could DEFEAT security features : you NEED to AUTHENTICATE you have AUTHORITY & PERMISSION to be tampering with OWNER CONTROLS (because this question reeks of impropriety). Then I would be delighted to resolve your issues. Hope this saves your "employment" Carnac the Magnificent

You have done and just about checked everything you can. You might want to check out the power supply components for bad swollen, leaky caps that may be affecting voltage levels and the operation of various boards on unit. Otherwise you might just have to get one on the cheap via ebay, garage sales, etc. Hate getting rid of stuff that is almost in mint condition but is not working - I'm running outta room!