Re: C64 --8032 monitor questions

From: ken ross (
Date: 1999-07-23 10:49:58

>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

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