Question about Pioneer Projection Televisions
My TV shuts down without warning and goes into standby mode. Sometimes I can get it to come right back on, other times it won’t come on for hours. I’ve sent it out twice for repairs already; the first time they just replaced the fuse, the second time they replaced the fuse and re-soldered the connection. Since the last repair, I’ve replaced the fuse myself a couple of times, but it eventually will blow again. I’ve found that if I place a small fan on the floor behind the TV so that it blows air into the back of the unit, the TV will stay on. The interior temp of the house seems to make a difference too as it tends to stay on longer in the evenings when the house is generally cooler. I’m guessing something is overheating and need to be replaced. I just don’t know where to start and I really don’t want to send it out again for several weeks only to be told the fuse needed to be replaced. Any suggestions you could offer would be greatly appreciated. Thanks!
Thermal issue !
A component inside the set has a thermal issue !
This may require hours of trouble shooting to find the components responsible.
Once the component(s) are found they could be serviced.
Posted on Sep 23, 2008
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1) Pull chassis---remove power/convergence PCB==the one
with the large heatsink on it.
2) Remove solder from pins of four regulators on heatsink.
3)Clean board/pins w/ toothbrush & alcohol.
4)Re-solder, also solder both Stk's for prevent.
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