Hi Ethan, Yes, it was quite enjoyable bringing this machine back to life. Admittedly Ray Carlsen did most of the hard work. FIxing the monitor was very rewarding indeed. I've never worked on a monitor before. Considering the scary high voltages involved and my lack of knowledge fixing analog circuits, I was skeptical that I'd get it working. Phil On Apr 15, 2011, at 2:18 AM, Ethan Dicks wrote: > On Thu, Apr 14, 2011 at 12:24 PM, Philip Lord <firstname.lastname@example.org> wrote: >> This is just a FYI follow up. >> The machine is now working 100%. You can read about the fix here: >> >> http://web.me.com/lord_philip/Commodore/Commodore_PET_64.html > > Hooray! > > I'm not surprised about the PLA and the RAM... in that order, they are > the most common things to fail. A bad CIA is also not all that rare > (because of ESD to the User and Joystick ports). All that *plus* ROMs > - that's a bit much for one board, but hardly unheard of unless the > PSU flakes out and jolts everything. > > Good to hear the monitor fix was simple once the symptoms were fully > understood. I've never had to repair the CRT control board in a PET, > but since it's not a readily available part, repair is more of an > option than replacing. > > I've only ever seen a couple of PET64s ever, so it's wonderful to see > one brought back from the brink. > > -ethan > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2011-04-15 00:00:12
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