>On Thu, 22 Jul 1999, Brandon Wolfe wrote: > >> The university here apparently had more commodores than they knew what to >> do with, so I took one off their hands and set to taking it apart and >> putting it back together again. Everything seems to work ok, at least the >> short distance I can tell: the monitor is not working. It makes a pleasant >> beep when I turn it on and the monitor acts as though it wants to work, >> turns red and buzzes, but no incandesant green. Is it the tube's fault? How >> could I fix it? And is it likely that a second PET might supply the needed >> parts (apparently limitless supplies here.) it should be sounding like a twiddley noise - made from a few cheeps - if you get what i mean ! only one cheep means trouble speaking as an 8000 owner/user - red and buzzes monitor ? deep trouble ! >> Secondly, before I cannibalize any more computers, are these things worth >> anything? can you put a value on a friend ? >I'm sending a copy of this message to the cbm-hackers mailing list, >because there are a lot of Commodore PET users listening there. Yes, the >monitor probably is at fault. You can ensure this by measuring the video >signal from the wire that runs into the monitor, e.g. by using an >oscilloscope or by connecting it to another monitor. I'm not sure, but I >think that the signal should be compatible with video monitors. you can get a composite monitor signal from the top side of the user port with a few more components accordong to ' the pet revealed ' but i've never explored the concept - i'll gladly xerox the pages in question if anybody drops me their snail mail addy - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tcm.hut.fi.
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