Question about Mitsubishi VS-45607 45" Rear Projection Television
I own a VS45607 it's a great TV it started having a rolling picture about two months ago. The picture would not always roll if you turned the TV off/on a couple times. When you got it to stop rolling then it was dark, but got lighter after warming up. The picture stops rolling after the TV warms up a bit...MOST OF THE TIME. Now, it takes longer to get it to stop rolling. What can I do?
I have seen this many times. There is a 9 volt regulator on the small signal board that causes this. The regulator goes bad and the 9 volts starts dropping, especially at start-up when the regulator is cold. If the voltage is below 8 volts then the picture gets dark and the vertical becomes unstable, with the picture squeezing down and/or rolling. As the regulator warms up the voltage starts rising back towards 9 volts and the symptoms start clearing up. There are 3 regulators in a row on the board and the regulator in the middle is always the bad one. Replacing that regulator should cure your problems but it should be replaced by someone experienced in servicing Mitsubishi projection TV's because pulling the chassis out is quite tricky.
Posted on Aug 05, 2007
The cap's in that 9v circuit need to replaced also.
Posted on Sep 04, 2008
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Posted on Jan 02, 2017
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