Looks like a normal 32 x 8 static ram. But before you go ripping it out. Cut and lift the power pin and measure the current draw. You can always resolder a wire to the lifted pin. Should be 1 ua or less in power down.
On Tue, Oct 26, 2010 at 2:34 AM, Robert Atkinson <[email protected]>wrote: > I'd change the CMOS RAM next. > > Robert G8RPI. > > --- On Mon, 25/10/10, Corby Dawson <[email protected]> wrote: > > > From: Corby Dawson <[email protected]> > Subject: [time-nuts] SRS SR620 counter problem > To: [email protected] > Date: Monday, 25 October, 2010, 23:39 > > > Hi everyone! > > My SR620 is giving me an error 3 on power up. The manual says it's most > likely a dead backup battery. > > I can clear it if I hold down the reset button while powering up. (This > loads the factory defaults into the RAM.) > > However if I cycle power the error 3 comes back! > > The battery reads 3.44VDC and at the VCC pin of the Ram you get 3.20VDC > with the AC power off. > > This seems to indicate the battery is good. > > I'm thinking of placing a 1K resistor across the battery to see if a load > will cause a big drop. > > Any suggestions? > > The RAM is a CXK58257AP-70L. > > Thanks, > > Corby Dawson > ____________________________________________________________ > SHOCKING: 2010 Honda Civic for $1,734.09 > Is this price real? YES! We reveal the TRUTH! > http://thirdpartyoffers.juno.com/TGL3141/4cc60781dcc8a5aca4m04duc > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
