[sdiy] FW: earthing??

[Dan Snazelle]

it is odd that nowhere in the manual do they warn about the bottom of the case touching metal.



--------------------------------------------
check out various dan music at:

http://www.myspace.com/lossnyc  


http://www.soundclick.com/lossnyc.htm


http://www.indie911.com/dan-snazelle
(or for techno) http://www.myspace.com/snazelle 




> Date: Tue, 25 Nov 2008 14:36:04 +0100
> From: derek at umatic.nl
> To: subjectivity at hotmail.com
> CC: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] FW: earthing??
> 
> Are the heatsinks insulated from the regulators? The probably should be, 
> or shorting them would be a bad thing. There are insulating kits made of 
> little silicon shims and plastic grommets which you can use if you want 
> the heatsinks to make contact with the case (to help heat dissipation).
> 
> D.
> 
> Dan Snazelle wrote:
>> ok
>> 
>> it seems that with this PSU..it wasnt the screw. all works fine if I RUN a earth wire to the screw terminal and then run a wire to my case from grnd ONLY IF the PSU is on its side (not flat)
>> 
>> it seems when it is flat, the only thing properly touching the case is the tip of the regulator heatsinks (i think thats what they are)
>> 
>> in other words..when the BODY of the psu is properly flush against the case...earthing works 
>> 
>> it took me a long time to get this right.
>> 
>> if anyone knows why this is.....
>> 
>> thanks
> 
> -- 
> derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
> ---Oblique Strategy # 102:
> "Just carry on"