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zakbagwell Guest
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Posted: Mon Aug 21, 2006 7:29 am Post subject: APEX AT2008 poping high voltage fuse |
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APEX AT2008 poping high voltage fuse
i opened the case, saw the blown fuse and replaced it. the thing poped when i plugged it back it, and now on to trouble shooting. im quit rusty at ele. troubleshooting, but am to stubborn to take womething in when the problem is right in front of me. any ideas??
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Guest
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Posted: Wed Aug 23, 2006 6:59 pm Post subject: |
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I think you have blown some expensive silicon devices by switching it on with a cold fuse.
Test all silicon power devices with your meter (e.g.Transistors, Regulators, FET's, Output IC's) and replace the faulty ones. Test the supply for a high resistance before switching on again.
What is an APEX AT2008? |
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Laser tech Guest
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Posted: Sat Aug 26, 2006 2:57 pm Post subject: APEX AT2008 poping high voltage fuse |
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I had the same problem on a similar APEX. I discovered a blown diode on the power supply board. You will have to desolder/remove the diode from the board to find it. |
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