Martijn, thank you .. as soon as possible i will try .. have a nice week, Mario ----- Original Message ----- From: Martijn van Buul <pino@dohd.org> To: <cbm-hackers@dot.tml.hut.fi> Sent: Monday, September 25, 2000 10:11 AM Subject: Re: R: Pet problem .. > Mario wrote: > > And you have any idea for the garbage screen ?? I found an article ( i don't > > remember ... may be yours ..) in which was suggested that the problem could > > be the 6502 or the roms ?? > > A garbaged screen can be caused by many a reason, including a bad power > supply. My 4032 once had this: One of the 7805s was shot (it has two of > them!), causing only garbage. It took me a while to find that out, though: > I measured Vcc over the first 74LS chip I could find, which just *happened* > to be part of the video system, and was fed from the -working- 7805.. > > Replace both of those 7805s, and see what happens. > > -- > Martijn van Buul - Pino@dohd.org - http://www.stack.nl/~martijnb/ > Geek code: G-- - Visit OuterSpace: mud.stack.nl 3333 > Kees J. Bot: The sum of CPU power and user brain power is a constant. > - > This message was sent through the cbm-hackers mailing list. > To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi. - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi.
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