Re: pin-out (//c power)

["peter" <guppy_99@hotmail.com>]

you have restored my faith in comon man or woman, I was ready to wing it
(hook up the best I could figure). thanks a bunch. 

Peder

(off to radio shack)

Rubywand <rubywand@swbell.net> wrote in article
<368AAB38.2D4CF13B@swbell.net>...
> 
> 
> Replace writes ...
> > 
> > found  a IIc in the dumpster, and i need to build a power supply for
it.
> > Could anybody tell me the pin-out for the power plug, there seems to
> > several pins in the female outlet.  Can I hook it up to a car?
> 
> 
>      Here is a snip from info which Dr. Tom collected for the FAQs
> Pinouts file:
> 
> >>
> 
> From the Apple //c Technical Reference Manual
> 
> Section 11.2.2 The External Power Connector
> 
> 
> The external power supply is attached to the internal converter by means
> of a 7-pin DIN connector. The connector pins are identified in Figure
> 11-1 and Table 11-3.
> 
> 
> Figure 11-1  External Power Connector
> .     --+ +--       Pin#      Signal
> .   / 7 |_| 1 \     Pin 1     Not Connected
> .  | 6       2 |    Pin 2,3   Signal Ground
> .   \ 5  4  3 /     Pin 4     Shield Ground
> .    \_______/      Pin 5,6   +15 VDC
> .                   Pin 7     Not Connected
> 
> Table 11-3   External Power Connector Signals
> 
> Pin#    Name      Description
> 1,7       --      Not Connected
> 2,3     Ground    Common Electrical Ground
> 4       Chassis   Chassis Ground
> 5,6     +15       +15-volt DC input to converter 
> 
> <<
> 
> 
>      Before connecting anything, use an Ohm meter to check that 2, 3, 4
> are all connected-- R is virtually Zero between any two of these three
> pins no matter which way the meter leads are swapped around.
> 
>      Also, R from 5 or 6 to 4 should be something above Zero-- for sure,
> higher than 2 or 3 to 4. 
> 
>      If the above checks work out, then you can be reasonably sure that
> you have correctly identified the GND and + pins. (Even so, before
> applying power, it would not hurt to open the case, clean out dust, and
> see if the pins you think are GND connect to obvious GND points and that
> the + pins go to some non-GND place on the board.)
> 
>      I do not know whether a //c will run from an Automobile +12V
> battery.
> 
> 
> 
> Rubywand
>