Question about Computers & Internet
Generally, portable power supplies are pretty rugged, and the items you need to be concerned with are what interfaces with the motherboard. Video card, RAM, Wireless, and Modem. If any of these were in the system during the strike, then they are suspect. If these componets are removeable, then booting without them in the new board it suggested. I would tend to agree, and a discrete video card would be toast after a lightning strike. This project may not be worth the cost in parts
Posted on Jul 01, 2009
First, I admit a certain bias against switching power supplies. Their only claim to fame is size and efficiency. Take that away and a cheap linear beats them in every metric... long term reliability, percent regulation, output noise and something solid you can drive nails with.
Anyway to answer your question...
1. Hold the Liteon PA-1161-02 output cable such that you are looking at its output pins.
2. Turn the cable such that the notch (indentation between pins) is on top.
3. The top two pins are connected or shorted to each other.
4. The bottom two pins are connected or shorted to each other, the shield (the shiny ring that surrounds all four pins) and to the ground or third pin of the power cord
5. Carefully connect a DC meter between one or both top pins AND the shield.
6. The meter should read approximately 20.35V DC when not connected to the laptop.
NOTE: If you could measure it, the output voltage should be less than 20.35V DC and more than 19.5V DC when connected to a turned on laptop or one that is charging its battery.
Posted on Sep 27, 2014
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Posted on Jan 02, 2017
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