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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The fuse is blowing due to an overload. It's often and very likely caused by a transistor or ic that has gone short. The main culprits are the power transistors of the amp or whatever is on the big heat sink. Transistors will show the fault when you connect an ohmmeter to the terminals. It will be just like you have touched the test prods together! I don't think in your case it will be in the power supply. It's often caused by speaker cables that touch together.
the fuse stopped the fire. that is what fuses do. so, you have a dead short on the blinkers. remove each lamp 1 at a time. yes, lamps can short. (twisted too hard) remove them. still blow the blinker fuse.? yes, then the wires are shorted. and guess what, top reasons are. 1: trailer wiring, look behind each lap assembly, BINGO? 2: hacking or collision, yes, look 1 more time. ,yes behind the lamp assembles, look carefully for DAMAGE.
On these sets if you replace a fuse either you have a short OR the fuse is a generic one------replacement fuses from say Radio Shack will even if correct amperage and voltage blow for no reason-----most of the fuses in these sets are actually thermal or slow blow types.
With the set unplugged take a meter and check both sides of the fuse to ground in the set. If the fuse that is blowing at once is the one connected to the power cord it is likely incorrect fuse or generic junk fuse was used to replace it.
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.
Look at the power board " the one with the fuse" for capacitors that look puffed at the top or leaking at the bottom. If these are leaky the voltage drop will cause the current to rise and pop the fuse. After a time the caps will get bad enough that the set will stop working and may cause more problems.