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Re: Apple //c power brick schematics
- Subject: Re: Apple //c power brick schematics
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 27 Jul 2003 08:30:14 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <Xns93C486B6C6CAD752476978@216.168.3.44>
- Xref: archiver1.google.com comp.sys.apple2:33345
Brad Wolfgang wrote:
>"Bill Garber" <willy46pa@comcast.net> wrote in
>0S2dnWwMX4uWIr-iU-KYvA@comcast.com:">news:0S2dnWwMX4uWIr-iU-KYvA@comcast.com:
>
>> Here is sone interesting info on "The Brick"
>>
>> http://www.archaic-apples.com/files/apple2c/misc/iic.power
>
>
>Much help. Although I'm still not sire what the difference is between
>signal ground and shield ground, so far as whether they can be tied to the
>same output from the brick.
The "signal ground" should be called "power ground".
The "shield ground" is the third wire in the US power receptacle.
It is connected to an earth ground in a properly wired building.
If you don't have an earth ground, then leave that unconnected.
The connection between earth ground and power ground is
made with a network inside the //c.
-michael
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Home page: http://members.aol.com/MJMahon/