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| Powerbook 140 Low Power Adapter testing |
Posted by: TimHD on 2017-07-15 19:44:13
I acquired a Powerbook 140 (tho it has a "145B" stencil inside the case?) with a Macintosh Low power adapter with it. I think the power adapter is non-working (clearly the batter is, but believe this should turn on even with a dead battery inside).
How can I test the 7.5V 2.0A adapter?
Tried attaching to a Quicktake 100 camera (which takes 7.5V 2.0A) but nothing changes on the small LCD to suggest it is being powered by the mains?
Any way to test this without opening it up - any other things it might work on?
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Posted by: Juror22 on 2017-07-15 21:05:03
With a voltmeter?
...even a super cheap one will show the voltage being output.
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Posted by: TimHD on 2017-07-15 22:42:42
Ta, not got one yet, hence was hoping there might be another trick one knows.
Was wondering if the Quicktake camera should 'react' in some way when you plug in the low power ac adapter?
I guess we're a bit used to Macbooks/iPads making a sound and/or brightening the screen when you plug in the power.
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