Question about Proscan PS50670 50" Rear Projection Television
Red blue green curved lines at bottom of screen how do i fix it
Likely to be the convergence power supply module. If you fix yourself it is simple provided you can get the module. Take the back off AFTER unplugging set The module is located above the main board on the left and the dynamic convergence board on the right. and come out by about 4 quarter inch nutdriver screws and has only two plugs one on each end of the module. You may find a good used one at your local tv shop or get them to order a new one or fix the existing module by changing the chip on it where the metal heat sink is. Chip number is STK 730-010 or STK 730-130. Either will work. Chip will usually fix it. If not the entire module must be replaced
Posted on Jan 01, 2008
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