Question about Mitsubishi VS-60621 60" Rear Projection Television
I replaced all 3 convergence chips, checked every resistor on the board, and the TV still won't power up, what else could I check? This was after it died briefly showing 3 thin color lines, straight with a sawtooth peak in the center, then went black. Several people recommended I change those chips, all solder joints look good, all resistors, caps, diodes, transistors show no signs of heat. The board number is 935C747 with 20 048 (or last digit could be a B) stamped and 012 with mark through 0 and 1234567890 with mark through 7.
Sounds like you lost power to the vertical deflection IC. Power is developed off the flyback transformer. There is most likely a fuse resistor, a diode and a capacitor off one of the pins of the flyback. The cap probably failed and took out the fuse resistor and/or diode. Locate these and it will probably fix your problem. Good luck.
Posted on Mar 25, 2010
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Posted on Jan 02, 2017
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