Question about Pioneer SD-P50A3Q 50" Rear Projection Television
Suudenly, I been having trouble turning on my tv. Do hear the clicking noise when pressing power on switch on remote control or power switch @ the TV front panel. Some time it does start after clicking it for almost all day. When it's warm then no problem turning it on and off again. Wondering if the power to the crt or the tv is thru a relay or directly powered thru transformer. Opened the rear cover and couldn't find where the clicking coming from? in other words looking for the part or relay to resolder the contact if the problem is due to a cold solder. I believe the power mechanism is same on 40in model as it is on 50 in. model. If I can know the physical location of the part making clicking noise then I might be able to measure the voltage when switch pressed. Any assistance is appreciated becaus my tv works just great other than this recent problem with turning it on problem. Thanks!
When i turn the power button on, it will only stay on for two to three seconds and then turn off, if I wait 30 to 40 seconds and repeat to turn on, it does the exact same thing, how can i fix this??
Posted on Jan 03, 2009
There is one philips head screw with access only thru an access hole in the circuit board at the back near the 8A fuse for the power input. Remove this screw and the whole tray will slide out. Be careful to recover the screw using a magnetic driver...
Posted on Aug 29, 2008
I need to know how to slise the panel out in the bottom to get proper access to all the boards.I have back cover off I have the same convergence problem as most others here. I can find a service manual so I am working blind here.
Posted on Aug 08, 2008
Take off back cover. The problem power board is to the right of the board where the power plug feeds into the TV. There is a large white fuse right bend the power plug. With a meter it read ok; about 8 inches deeper into the TV on that board was the resister next to two fuses. My 4 amp 125 volt fuse did not read on my meter. After replacing, it worked fine.
Posted on Feb 12, 2008
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Posted on Jan 02, 2017
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