Hi, Long time watcher first post etc...
I picked up an HP 54645A for $75, it powers on. gets past the boot screen and will occasionally stay functional to run some tests.
It fails the ram test "error code 2" I can't find this particular error anywhere in the user documentation.
Also when booted in unprotected mode, while holding keys 5 &6 I get "vertical cal factors failed checksum" and "horizontal cal factors failed checksum"
I believe these issues may be NVRam related. I haven't opened it up to take a look about yet.
I'm not sure the probe that came with it is any good, but it seems to do nothing on either 1 or 2. And there's garbage on the screen when 1 is on. and I get a note "waveform data is clipped" Don't think that's a good sign.
Also, it seems to crash after a being on for a while, I say crash as the screen remains unchanged, but the buttons stop doing anything.
Let me know if you have any insight into this issue, otherwise I may be out $75
Thanks