3 Apr
2012
3 Apr
'12
3:48 p.m.
On 4/3/2012 4:26 PM, allison wrote:
Gasp! You've never ground the top off a dead DS1287 TOY clock chip to
replace
the failed lithium cell??
They were the famous CMOS clock/ram chips with the 10+year life tha usually
failed around years 4 to 6 and were unobtainium due to the high failure
rates
depleteing stocks.
That suggests a sheltered life! ;)
Allison
I alwas felt that anything mains powered without
isolation was
designed to
kill anyone trying to repair them. Sort of the first generation
"No User Serviceable Components Inside".
Come to think of I never have repaired a Component, I just buy a new
one and solder it in.
Allison
Ben.