HP 71b repair advice - won't power on with batteries or on AC adaptor
|
07-14-2021, 01:12 AM
Post: #25
|
|||
|
|||
RE: HP 71b repair advice - won't power on with batteries or on AC adaptor
(07-14-2021 12:41 AM)teenix Wrote: I fiddled with it again this morning and checked the waveforms with my oscilloscope. They matched all the service manual pictures including the 32KHz clock signal so I thought the display or drivers were damaged. Great work!!! Wait until you see the size of the 75C/D :-) Calculator Clique on YouTube |
|||
« Next Oldest | Next Newest »
|
User(s) browsing this thread: 1 Guest(s)