Fastopen's latest activity

Very thanks Fritz. Next project is to restore my childhood computer a NCR pc920 it, was a pc810 but upgraded to 386 20, on that time I...

Thanks Fritz, if you need any picture from case or plastics, let me to know. regards,

Final summary: - Fuse F2 burned. It generates no tension on bridge s2. - R2 16ohm 3W burned. - CR6 edge broken - R25 edge broken. -...

Awesome Fritz!...amazing person!!!. I have the exactly same damage 😲 Thanks you very much. I will upload pictures from the next steps...

news! seems to be the offender is fuse F2. Making a bridge on F2, heaters have tension, no image, but heaters has tension!. Seems to...

Many thanks Fritz, with this diagram I can continue with more tests. Regards,

Thanks very much. I apreciate it a lot.

I dont see: DMV , volume one , page 2-26 . Voltage 107 V on bridge S4 ? Look at STM HW , volume2 , page A-1-41 ff on...

Hi fritzeflink, just translating german posts from Schroeder, he remarks about 107V "1. Die Hauptspannung von ca. 104V DC wird aus den...

Thanks Fritzeflink. I already have this manual, but only covers monochrome CRT, no color CRT diagrams. I will try to translate german posts

I had a working NCR DMV color CRT working until yesterday when I power on it, power down and power on again in the same 2 or 3 seconds...