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From nothing to 2 working SIDs?? (mono6581 and MB6582)


jooks
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Ok, update on the optimized psu since I finaly got hold of another bridge rectifier....

When measuring DC I get:

- 5.20V at 5V output

- 5.20V at led pin

- 14.09V at 14V output pin

So far so good but when measuring AC I also get:

~ 10V at 5V output

~ 10V at led pin

~ 30V at 14V output...

Somehow there´s AC going everywhere in the circuit but I can´t figure out why??! I use a W10G bridge rectifier but from what I understand (which I agree is not much) it should make no difference.

If anyone has an idea what could be wrong I´d really appreciate it.

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Hey Mike, huge thanks!! You saved me from going over everything for the 20:th time:-)

My multimeter measures 20V AC across a 9V battery....I guess that means I have a functioning optimized psu for my sid!! YIHAAA!!

hehe..

I had a sneaking suspicion your meter was acting a bit wrong.

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  • 2 weeks later...

So with a new multimeter I was able to figure out that my psu section problems were not only a broken bridge rectifier (probably from a short between it´s in/out) but also a faulty psu. And yep, the multimeter was broken also....I´m very glad everything worked out before I got crazy.....Now everything is working fine! Now wiring and uploading :)

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