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Emax

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Re: [emax] electric problems

2000-09-22 by Scott Ruda

>> Actually, this is not the problem. Since last year, I don't use it
>> anymore, because I have problems with the power supply. When I switch it
>> on, it works for a while, and then it crashes and reboots without any
>> reasons, as if there had been a short electric cut.
>> Has anyone already had that problem? If yes, is it possible to fix it?
>> Thanks
> 
> Power supplies in Emaxes can and do go bad. Sounds like yours has gone. It
[...]

I just remembered that the symptoms you are describing are not necessarily
caused by a bad power supply. I remember that yes, sometimes the system can
crash, and you might here a 'clicking' sound made by a bad supply. Or even
more obvious, the system won't boot at all, and the LCD will not light. But
intermittent crashes were sometimes caused by CPU chips or timer chips (?)
that had corroded pins that deteriorate over time. (The two chips I am
referring to are relatively large gray ceramic chips with gold pins).
Sometimes pulling the chips out and cleaning the pins (with an electrical
contact cleaner and abrasive like a pencil eraser) can sometimes fix it.
Again, this may be best done by a qualified technician. The pins are easy to
bend and break!

Scott

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