Well, thanks for the advice everyone. Checking voltage and heat is easy enough, though I'll need to invest in an Oscilloscope to check those RAM pins I suspect. In particular, which are the tranceiver chips though, and how should they be checked? - Bo > -----Original Message----- > From: firstname.lastname@example.org > [mailto:email@example.com]On Behalf Of Richard Atkinson > Sent: Sunday, February 24, 2002 4:42 PM > To: firstname.lastname@example.org > Subject: Re: C128 repair advice... > > > On Sun, 24 Feb 2002, Spiro Trikaliotis wrote: > > > Well, as the Z80 is the one which gains control after power-up, if it > > failed, the C128 will not start up at all (blank screen). As > this is exactly > > your symptom and the Z80 is "hotter than normal", I would expect that to > > be failed. > > Or something to do with the Z80, at least. Possibly one of the bus > transceiver chips connected to the Z80 has failed, or even one of the > inputs controlling it. That might cause it to do nasty things on the Z80's > bus, which would in turn cause the Z80 to get hot. > > > Richard > > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing list
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