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Thank you for the reply. Still havent found right fuse locally. I noticed that in the psu pcb there is a marking "T 2.5A H 250V"next to the fuse slot. I would expect that I should find that kind of fuse? Also, I noticed that the sck 103 thermistor next to the wires that connect to the voltage...

Hi, old ICL psu not powering on. Found a blown ceramic tubefuse inside. In hopes of getting the psu back to life, do I have to find exactly same type of fuse with exact same markings. Markings on a old blown fuse are T 3.15AH 250V. I have new class tubefuses laying around, they have markings F...

Thank you for the answers! I am putting this project to a halt at this point, since the diode didnt work either. I think the board is not having fun with my coin cell contraption. I am trying to find right kind of battery locally and hope the hard drive is not completely dead.

You are right, it has to be that Varta battery. I was not familiar with this battery and the recharge. I should absolutely solder in the diode next and see what happens.

Thank you for reply. Ill put photo of the old and new battery here, there was minor leakage, almost none. This article says the old battery is 2,4V RTC battery https://oldcomputer.info/portables/echos75/index.htm. The new one is 3V coin battery I am trying to jam in there. I am starting to think...

I have this Olivetti echos p75 800 laptop and Im planning on to install windows 95 on it. But Im stuck in a sort of a loop with the machine. Seems like there is nowhere to boot from. When I exit the setup, the monitor does not receive signal anymore (it blinks cursor for 2 secs and then the...