Vs-45607 I have the same problem, but it take about 48 hours for the picture to stop rolling if the solution is the same is there a manual, or schematics on this model. This tv was manufactured in 2000 . Thanks for your time. [email protected]
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Check C2P05[ location on convergence board]. This is a 16volt 100Mf cap that is bad. And check out C2V29 [cap value is 16volt 22 Mf.] And still while you're at it, resolder the pins on the convergence ICs.Should fix your TV!
Good Day, skieebumm;
There no adjustment. Try this: (MENU DOES NOT ROLL) CHECK C2A04, 10 UFD 50V OFF PIN 5 OF IC2A01 ON THE VIDEO PCB. 2. CHECK C2046, 47 UFD @ 50V OFF OF DL2001 ON THE VIDEO PCB. 3. (MENU DOES ROLL) CHECK C2B14 10 UFD @ 50 V NP OFF THE BASE OF Q2B02 ON THE VIDEO PCB. Good Luck, big IRISH.
The problem may be related to bad capacitors on the PIP module. This is a commom fault as vertical sync runs through the PIP board and this is the symptom of the pip board having bad capacitors the TV rolls.
I would check the capacitors in the verticle deflection circuit. Also try resoldering the verticle output as well as the verticle yoke pins where they connect to the chassis. Mitsubishi has had some trouble with their capacitors, you may have one that is leaking. Let me know if I can help you further.
Rolling picture could be a pip module problem as both horizontal and vertical sync goes through the PIP module. These sets have been known to have bad caps in the pip board causeing loss of vertical sync.If you need any more info let me know.
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.
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