Korg Poly800/EX800 Users

Hi Atom,

Glad you caught the acid pun. I prefer trance.

Batteries never leak trance over PCB's though.

A good multimeter will usually give you bad measurements when the
current you're measuring is under a millivolt. The resistance in the
leads and in the current shunt within the meter will drop the reading.

I'll give it a go though.

Mike.

--- In korgpolyex@yahoogroups.com, Atom Smasher <atom@...> wrote:
>
> On Wed, 28 May 2008, korgpolyex800 wrote:
> 
> > I will see if I can measure the current but at low current draws the 
> > meter may not be entirely accurate. I'll give it a go though.
> ===========
> 
> a good digital meter should be able to measure in the uA range.
> 
> 
> > According to the datasheet, if I take CS1 high or CS2 low before the 
> > power supply drops from 5V to battery 3V, then the current draw
will be 
> > 2uA (typical) up to 100uA (max). But the datasheet seems a bit non 
> > specific about the timing of the chip select lines being at correct 
> > levels prior to the supply dropping to 3V.
> ==============
> 
> who makes the chips? try calling their tech info number, and you may be 
> able to reach a product specialist... then you can ask what factors 
> determine the current draw, and how to decrease it.
> 
> 
> > Zoinky makes a good point though. The button cell most certainly
can be 
> > replaced by two AA batteries. I like the button cell because it's 
> > guaranteed not to leak all over the insides of your precious synth's.
> ===============
> 
> i've seen coin-cells leak... they just have less "juice" than larger 
> batteries.
> 
> 
> > I cringe thinking about the number of Poly's that have been
sitting in 
> > storage with batteries slowly decomposing all of the PCB's. I
bought one 
> > on ebay specifically because the case, joystick etc was in perfect 
> > condition while the insides were completely acid wrecked.
> ================
> 
> an acid wreched poly800... you make it sound like that's not good ;)
> 
> 
> 
> -- 
>          ...atom
> 
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