SOURCE: Pioneer Elite PRO-520HD wont stay on
It is most likely just solder connections on your power supply. If the only diag LED that lights is on the supply, then thats usually the case. You can unplug the set and remove the supply to fix it with a little soldering. You have to remove the metal board supporter from the bottom of the board and solder quite a few connections. Look for cracked connections on the power connectors to the rest of the set, and also connections on the main transformer. If you need soldering experience, get a kit at radio shack and build a little project to get some practice.
SOURCE: i need a red green blue light bulbs for my pioneer
I suspect you're asking about the projection tubes. They don't all go out at the same time, there is some other problem. Also consider, you can almost buy a new TV for the cost of the tubes. I really expect you'll find the right answer in your owners manual. Look into the advanced settings.
SOURCE: pioneer elite pro-530hd tv---no picture at all!
I have a 532nd 53 that shuts off and red stand by lite comes on in the back. If you wait awhile and unplug it and plug it back in it will come on again and then shut off after an hour or two
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