Vintage Simmons Drums (UK) Users Group

Brian Horton skrev 2011-12-29 03:29:
> I replaced my battery in my sds 9 ,mtm,and mtx the same way i described
> in the sds 9 descriptions as before no resistors or any thing to be
> taken out,three 1.2 volt AA batteries equals 3.6 volts which it calls
> for.they where ni cads as i recall rechargeable from radio shack,and the
> four AA holder in plastic ,just bypass the fourth battery spot with
> solder jumper cables ,case is in plstic in case of leakage and used
> d0uble sided sticky tape to mount to sie walls,and of course positive
> wire to positive on bord and negative to negative on board .as stated in
> service guide batteries have to be charged for mtm to work,my mtm  and
> all worked fine this way,just heard mine might not be trggering due to
> capacitors failing after all those years.sure would be nice to have
> readable schematics


I know you did, but I wanted to remove the battery from the PCB and 
change into a lithium type to avoid future leakage. Which reminds me to 
check my OSCar... I bet it's time for an upgrade there too.

-- 
electronically yours, jesper

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