[aprssig] computer power supply question

Chris Moulding chrism at crosscountrywireless.net
Fri Dec 31 16:25:47 CST 2010

Hi Bob,

Connect green to black to power it up.

Early ones may need a 10 ohm 10W resistor between red and black to help
the voltage sensing, if it's a later model also connect orange to brown
for the 3.3V voltage sensing.

They make a good bench power supply. I've converted loads already!


Chris, G4HYG

Chris Moulding
Cross Country Wireless Ltd
7 Thirlmere Grove, Bolton, Lancs, BL4 0QB, UK
Tel/fax: +44(0)1204 410626
Mobile:  +44(0)7752 391908
Website: http://www.crosscountrywireless.net
Company registered in England and Wales number: 7431559

On 31/12/10 21:44, K8YS wrote:
> Hey guys...
> I need a cheap 12vDC supply to power a computer monitor. I have a 120W PC
> power supply that was removed from an HP piece of garbage.
> Does anyone know what pair/pairs need to be shorted to turn the power supply
> ON?
> "Shorted" may be wrong, what pair do I need to place a load to have the
> supply sense that it needs to turn ON?
> TNX, Bob K8YS
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