Our television suddenly stopped the other day. I replaced the fuse and it keeps blowing when you attempt to turn the set on. Is it worth trying to fix or time to dump it? I'd like to attempt to fix it myself, I'm fairly familiar with it - I replaced the IC's about 6 months ago. I've asked around for names of those who repair, but even a friend who works at an electronics store said there's no one around here who messes with them anymore. Any suggestions?
It might be worth fixing but you will have to call a tech out to give you and estimate. When the fuse keeps blowing that means it is drawing to much current so it could be the power supply and that might not be that expensive. You best option is contacting pioneer and asking them where the closest authorized service center is.
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This set is a 50" plasma. first check the AC power fuse on the filter board then: if it is bad: check the power supply by marking and, removing all the cables; (so you can put them back in the correct spot) except the filter board to power supply cable; that connects to the Power supply board. Then: replace the blown AC fuse and, re-power: If the power supply blows the fuse: again, the power supply is bad and, must be replaced or, repaired. If the fuse does not blow: turn off the set then: on again, reconnecting and, disconnecting each board cable in turn, untill the fuse blows again this cable leads to the bad board; replace or, repair the board that blows the AC fuse every time the bad board is connected, irregardless of which other cable to the power supply may be connected also; or, not.
I have one of those that is the same age and the 6.3 amp fuse was blown out. I replaced it with a 6 amp fuse (i could not find 6.3 nearby) and got a few more weeks use until the fuse blew out again. someone suggested i get a slow blow fuse next time.
This indicates "vertical stop," meaning that the TV's vertical output circuit is not working. A number of thing can cause this: failure of the vertical output IC or related components; bad solder connections to the vertical output IC (a common problem); power supply trouble keeping the vertical circuit from operating (also a frequent cause). Without having the set available, it's impossible to offer any suggestions for you to attempt repairs beyond looking for bad soldering. Other troubleshooting would require the circuit diagram (often available from the internet), tools and experience working on a live chassis. If you really want to keep the set and don't feel up to self-repair, it might be worth getting an estimate from a shop. These Sonys are nice sets.
Since the main fuse is being effected, it suggests that there is a major problem in the power supply section. I would be looking for a shorted rectifier diode. If you have any experience with electronics, you may be able to locate this problem. If hte set is still in warranty, return it for warranty service. If not, try loking for burned components etc.