Many older tv's had a vertical synch adjustment knob which would correct this, but I doubt yours has one thats accesible without opening the case. If you decide to open the case, be very careful of the flyback and other high voltage points, even when it's unplugged.
possibly there will be a trim pot on one of the boards silkscreened V SYNC.
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this was adjusted by the fine tune on the selector It is the picture not being held in place by being out of tune Same as if the picture goes sideways On the real old units there were 2 knobs to make these adjustments.
TV was working fine, moved to new home and the problem began. Picture rolls to the right, picture is fuzzy and will clear up somewhat at times. The picture will stop rolling at times also,but may be a half and half screen. Sound is fine, can you help me with this problem please.
I have a Disney cars tv with built in dvd player and after 2 months it stopped working. The power will not turn on, the light just flashes once and then goes off. I have tried replacing the fuses and it did not work, could you please help me.
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.