11 Jan
2013
11 Jan
'13
8:23 a.m.
Josh Dersch wrote:
Not that I doubt your expertise, but can you elaborate
as to why
repair is implausible? Is it simply impossible / extremely difficult
to remove the chips from the PCB?
It's somewhat difficult to remove them without damaging them. The
bigger problem is that the chip you replace it with can't really be
expected to last much longer. At this point they're all around 30 years
old. I'm not certain what the failure mode is, but they seem to be past
their best-by date.