And by checking the RAM power, I mean, at the power pin on the RAM itself, not at the terminals on the Nicad battery.
On Mon, Dec 28, 2015 at 8:31 AM, Geoffrey Oltmans <[email protected]> wrote: > I bought a fixer upper Model 102 not too long ago. What I discovered on > that was that not only was the Nicad battery dead (not unsurprising), it > would not power the RAM while turned off because battery acid from the old > battery had leaked down the side of the board and etched a hole through the > trace that would allow it to do so. The RAM would power on while the power > switch was on, but with the memory back up switch in the on/off position it > made no difference. I would suggest checking for this... check to see if > you have power to the RAM while the power switch is down. There is a long > trace on the edge of the circuit board that supplies this backup power and > in my case I had to wire a short jumper to bridge the etched out section. > All is well now. > > On Mon, Dec 28, 2015 at 7:21 AM, Todd Felmly <[email protected]> wrote: > >> Yes. I had the case open and a meter shows 4.2 volts with the power brick >> unplugged. >> On Dec 28, 2015 1:50 AM, "Peter Vollan" <[email protected]> wrote: >> >>> Are you quite sure that the internal nicad is charged up? >>> >>> >>> On 27 December 2015 at 19:31, Todd Felmly <[email protected]> wrote: >>> > Sadly that didn't make a difference. >>> > >>> > When powered on the month on the RTC is sometimes scrambled but >>> resetting >>> > usually brings it back to normal if that makes a difference. >>> > >>> > On Dec 27, 2015 7:40 PM, "John R. Hogerhuis" <[email protected]> wrote: >>> >> >>> >> Your nicd may also be low. Leave it on charger for several hours then >>> >> withhold all power including memory switch for 10 minutes. Then power >>> it up >>> >> and do cold start. >>> >> >>> >> -- John. >>> >> >
