David Wilson wrote: > Mark Frischknecht wrote: >> Well a //c uses a 15vdc 1.2amp 18watt brick plus it has a unique power >> plug. But if you can find a 15vdc power adapter with at least a 1.2 amp >> rating and you make a custom plug on it then you should be fine. > > The plug is not that difficult to find - it is a 7 pin DIN female line > connector. Hmm, my local suppliers no longer list it. I think this > might work as a 7 pin DIN plug should fit 8 pin DIN socket. > http://www.jaycar.com.au/productView.asp?ID=PS0358 > > The power supply voltage is not that critical either - I will have to > check my copy of the IIc Technical Reference Manual but 12-15V is > definitely OK and probably up to 20V would not cause problems. The > major problem is the current rating - you need a big plug pack if it is > a linear unit or a decent switchmode plug pack. > Yeah I dont think the voltage is critical I am using mine to run my Laser 128EX which has the same power pinout as the //c http://home.swbell.net/rubywand/R023PINOUTS.TXT the apple //c power pinout is listed here. 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 -- V/R Mark Frischknecht si vis pacem, para bellum http://www.appleiiguy.net Apple ][ Forever!
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