Question about Mitsubishi HC1500 DLP Projector
I was plugging a PS3 into the HDMI port of my my Mitsubishi HC1500 projector and I heard a zap sound and now the HDMI, as well as VGA and component inputs on the projector no longer work. The composite and S-Video inputs still work for some reason though. Both the projector and PS3 were plugged into grounded sockets (though the PS3 was plugged into a step down voltage converter first) so I wouldn't have thought that static electricity could be a problem. I was wondering if perhaps there might have been a fuse inside that burned out and needs to be replaced, or if the inputs are fried and I need to get them replaced. Any help would be greatly appreciated as the unit is no longer under warranty. Thanks.
Normally fuses do not make a zapping sound when they blow. Sounds like that are never good.
You are most likely going to have to bring the tv in for repair.
If you are brave and confident you can open the tv and look for burnt parts. Its most likely just a diode. if you find a black part that looks like a big black diode, you can replace it with n1004 diode. They are usually used as circuit protection. Beings you plug things in to it, it may have them to protect the rest of the tv is if something is hooked up wrong or goes bad while hooked up to it.
the diode will be near the plugs.
repair shops will replace the whole input board. you may also be able to find online the replacement board.
Posted on Nov 23, 2009
Hello Spmact: Unfortunely you may of blown the input board assembly. There sounds like you had some voltage on that HDMI Cable. I am not sure why you were using a step-down voltage converter unless you were steping in down from 220VAC to 120VAC. There are no fuses on the A/V input signal board, you may of blown the Audio/Video converter and switching IC's on the board. I recommend you not use the step-down converter on the PS3, Even though you were grounded the converter may be faulty and producing ac feedback into the PS3.
Posted on Nov 22, 2009
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Posted on Jan 02, 2017
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