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The Commodore PET
(Model : CBM 8096) |
Repairs
Introduction
This section describes a few repairs that I have done on my
PET/CBM 8096, sometimes, based on my own (limited) knowledge and
experience, but more often than not, with the aid of Google
finding similar repairs done by other PET owners and/or support
from the PET experts out there.
A really great resource in the
UK is
Dave Curran's Blog : |
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Dave has lots of interesting projects on
his site and sells a nice range of
USB keyboards built from 1980s vintage computers,
such as Commodore VIC 20, Commodore 64, Sinclair
Spectrums, etc.
More relevant to the PET though,
Dave has done a lot of repairs to different PET models
and has developed a range of excellent diagnostic tools
and devices that he has also available for sale. Dave
has been very helpful to me when trying to fault-find &
repair my PET - thanks Dave!
Check out
Dave's
Blog and search for "PET
"to see the great stuff that he has been doing -
. . . just say that "Dave sent you" :-)
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My PET/CBM Repairs |
RAM |
RAM fault in the upper 16K on the
8096/8032 motherboard |
PIA |
PIA Faults |
Expansion RAM |
RAM fault in the memory installed on the
8096's 64kByte RAM board |
Keyboard |
Keyboard multiple dead keys |
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