PSU -help needed URGENT-

[orange]

Can I turn on PSU without A500 connected? Its "light" type, (switch?) and I know it shouldn't be ON without any load, but its needed just for a quick check if it works.

If yes, what voltages should be expected (normal, higher or lower)?

[orange]

Great, thank you blobrana.

 :-)


This is what I got:
+5,17V
+11,49V
-9,8V
(A500 disconnected)

Previous owner told me A500 was dead and it showed black screen instead of hand_holding_diskette
Could the PSU be the problem?


@bloodline A2000 has TICK, so maybe its quite the opposite?

[orange]

OK, I've connected amiga 500 to it and it works just fine. Haven't tested sound and serial yet, though.

512K RAM expansion wasn't put correctly (half of it was not connected), that was probably the cause. BTW, its extremely small, I'll scan it. (wish the battery wasn't so big to get sharper scan, oh well..:roll:).
It has GP battery (NiCd) that didn't leak (once again). Seems that GP doesn't leak, only Varta. I'm in doubt about replacing it with lithium, because there is little space for it.