Computer blew up
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#8
just thank God they were little capacitors in the computer. The thing only runs 12 volts, maybe even less if a rectifier circuit is lowering the voltage. On my amplifier, it was pumping over 500 volts in the power section and it had four of those capacitors each half the size of a bottle beer
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I honestly don't know. I haven't had to get a reman yet. I have grabbed a couple on half-price days with junkyard to have as backups that have the same binary code
#11
Dramatic as that picture is, I don't think it is a capacitor that blew up here. Looks like a high current diode that has had one side blown off it. Odd failure to see in a running vehicle. Usually this type of damage happens with application of wrong polarity power. Not saying that is what happened here, just not your typical capacitor failure.
#12
Dramatic as that picture is, I don't think it is a capacitor that blew up here. Looks like a high current diode that has had one side blown off it. Odd failure to see in a running vehicle. Usually this type of damage happens with application of wrong polarity power. Not saying that is what happened here, just not your typical capacitor failure.
#14
that's actually the interior of the hood to the case. Do you see the tabs sticking out? Those go face down on to the body of the case, and then you screw the hood and the case body together.it's possible. Moisture got inside the case and arced the diode, I couldn't tell without looking at the actual motherboard and seeing how the leaves look on the piece of wafer itself. But actually looking at the picture closely, I think you are right about the diode. Just sort of weird, these things aren't known for putting out that much current, especially at 12 volts. I'd be interested to hook it up to my 12 volt bench power supply and see what kind of readings I get on the other pieces of the board
#15
Yes, you are correct. My old eyes deceive me from time to time. Interesting thing about the remaining lead from what may have been a large diode is that it looks undamaged while the bulk of the diode and the opposing lead seem to be disintegrated. That would tell me the device was not destroyed by current through it, rather from some event isolated to the one lead. Would be very interesting to see the board up close and try to power it up. Usually a diode of that size is employed for polarity protection. Nothing else in the box would need that size of diode.