Tv wont turn on. as soon as I plug the tv in a humming noise comes from the tv. I recently fixed a solder connection on the flyback because it would turn on when ever it liked but this problem is different. Do you have an ideas what is happening now.
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I would disconect the front control panel you can do it by opening the back of the unit on top of the light box there is a couple plugs just unplug the one going to the front panel then try to turn it on with the remote
Normally this is either bad connections on the convergence ICs or defective ICs. If you can solder, you should be able to fix this. First locate the convergence ICs: large black ICs attached to a heat sink that shouldbe marked STKxxx. Try resoldering the pins on these ICs first. If that fails, replace the ICs.
This tv make a lot loose connections. If you re solder and nothing change, check fly back area's is OK?... Look around convergence board for liquid coolant ( some times CTR liquid coolant projection splitter , becarfull, Liquid is danger!!) Wash yous hands and clean chassis with acetone.
Yes your chassis is PTK195. The other site that I worl for as a support tech has the service manual for 10.99 I moved it to there front page so you can find it. they will email it right out after purchase and will assign a support tech to provide free support to help you diagnose and locate parts. Its a pretty good service we even have parts for projection units. http://servicemanuals.vstore.ca/