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How to Test Power Supply

By Casemaker ·
Hi,
I need to test the power supply on a customers computer. The power supply is a Elan Vital model # evn-1355a. In one of my manuals it said to change the cmos battery and then try power, has anyone heard of this before. I am going to do that but have not yet. It is a workstation and is very compact and I need to figure out how to get in to the battery.
When I use the digital meter, what are the steps to test the power supply, how do I go about them and what should I see. Where do I put the wires from the meter etc... This is my first time trying to test a power supply.
Thank you.
"Have A Great Day And Look Both Ways"
Mark

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How to Test Power Supply

by Jay Allen In reply to How to Test Power Supply

Simple - it's dead. The fan must spin when power is applied. Take the ps to someone who works on them to get it fixed. I suggest this because sometimes the fuse inside the pack trips. However with little ps experence, cracking the case can be very dangerous since the capacitors inside can a charge even with the ps unplug.

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How to Test Power Supply

by Casemaker In reply to How to Test Power Supply
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How to Test Power Supply

by sham7usa In reply to How to Test Power Supply

Put the red probe in the connector(red wires)then put the black probe in the connector(black wire)5volts after that put the red probe in the connector(yellow wires)and the black probe in the connector(black wires)12volts.Set the vmeter above 12volts.It's possible that the switch could be bad as well.Just take any connector from the p/s and do the above.You can also put the black probe to the p/s chassis instead of putting in the connector.

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How to Test Power Supply

by Casemaker In reply to How to Test Power Supply
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How to Test Power Supply

by Casemaker In reply to How to Test Power Supply

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