Question about Philips 55PW9383 55" Rear Projection Television

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Picture issues I have an intermitten problem with my picture on my Philips 55PW9383 TV...On the top 8 to 10 inches of the screen, I have lines going straight across and at the bottom, I've got a blue streak that almost looks like a paint brush stroke. If it happens when I turn it on, I cycle power and it will go away. Any help would be appreciated!! Thanks!

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  • Michael Metric May 25, 2007

    Thanks Bill, I have a buddy who used to work on TV's, so I'll have him give me a hand. I'll let you know how it works out!!

    Mike

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It sounds like a convergence issue and possibly the amps themselves going out.. Cycling the unit off/on has me suspecting convergence amps first and possibly poor solder connections in the vert or convergence circuit. However, it could be one other thing, Vertical misadjusted. There is a methid for checking that in the service menu and I'll get to that in a second. The symptoms correcting themselves when you cycle on/off is very significant. I would first check for poor solder connections on the vert IC, and conv. amps. Then test the convergence amps themselves. If all else fails check the vertical adjustment. To adjust vertical enter service alignment mode by using 06-25-96 status, after entering service alignment mode it will be necessary to use the A/V button to get back to A/V4. When in the service alignment mode cursor down to GDE SAM. Cursor right and then cursor down to Geometry. Cursor right and then cursor down to VER. AMPL. then while watching the DVD in A/V4 cursor right or left to adjust the vertical amplitude until the white lines just disappear. Turn the set off to save the change. NOTE: Convergence may need to be touched up slightly after this adjustment has been made. Footnote: mnyce, this is one repair that I would not attempt unless you are fairly skilled at trace testing and knowing what to look for in a given circuit. As always, there are voltages in these areas that could harm you or further damage the unit. I would suggest contacting an honest qualified repair facility and explain your problem to them. Most will have no problem telling you exactly what I have here.. Goodluck. Bill

Posted on May 25, 2007

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