HP25 repair - need advice (TESTING POINTS PICTURED)

[teenix]

(02-24-2019 09:01 AM)albertofenini Wrote:  ciao Tony, thanks for your reply
But in theory, if all the components should be ok, the PSU should work also without ACT, ROM and RAM, right ?
Thanks !!

In theory, yes, as long as the circuit board is ok. The voltages may be a bit higher with no loads.

You should be able to check the PSU activity with he scope.

cheers

Tony