Hoi,
i think my brother has connected my pc-engine to a wrong powersuply. i know the power suply must be + in the center. he connectred a powersuply with - in the center.
Now the pc-engine duo-r doesn't give any sign of live.
What needs to be replaced to let it work again ???
The fuse in the pc-engine is still OK.
HELP ME cause i can't use it anymore
greetz
lol this topic is really old.. and im sooo late at getting back to ya...
hmmm I think the fuse in your DUO-R must be blown...
I had a similar problem with the white pc engine when I accidientally mixed the + with the - on the power supply but I was able to change the fuse inside.. although its a bit tricky since the 1 amp fuse needs to be soldered on.. as long as you remove that funky heat sink..
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I would suspect anyone who blows up their DUO-R with the wrong polarity might have to change a fuse inside that looks similar to the above..
The voltage regulator can easily get damaged in this case. Try replacing it.
I've used the wrong polarity on my Duo a few times (switchable plug tip), but never blew a fuse. If the fuse it good, I'd check that huge diode.