Hp9845B Repair Part13

HP9845B Repair Part13

HP9845B Repair Part14

HP9845B Repair Part8

HP 9825 Repair - Part 13: we get the tape working, and it’s fully repaired!

HP9845B Repair Part12

HP9845B Repair Part1

HP9845B Repair Part5

HP9845B Repair Part6

HP9845B Repair Part9

Deeper into the HP 9845: Design and Internals

HP 9825 Repair Part 7: How DRAM works (deep dive into a 4116 memory chip)

HP 9825 Repair Part 3: HP Logic Analyzer to the Rescue

EEVblog #903 - HP85 Vintage Computer Teardown

HP Spectre 13-4050 No Charge - LFC#231

Another easy Fix. Motherboard Short circuit repair - HP Spectre X360 13-002dx No power

HP 9825 Repair Part 5: We have an Apollo 13 disaster on our hands

HPDrive project with HP85 and 86B

MAME MESS COMPUTER 9845B HP HP9845B 9845 B GERMANY DE 1979 HEWLETT PACKARD

MAME MESS COMPUTER 9845B HP HP9845B 9845 B 1979 HEWLETT PACKARD

HP 3734A Electronic Counter 5 MHz 5 digit Nixie 1966 repair teardown

Thomas Scherrer OZ2CPU Teardown