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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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low power degaussing coil
I've got a small 5" colour monitor that I'm using a test monitor. It came with a small degaussing coil but no associated electronics. This monitor will be moved around a lot and I don't want to have to degauss it with a degauss wand every time it gets a bit magnitised. So i'm trying to think of a way to power the coil it already has. I'm thinking about putting a posister, the coil and a degauss button in series with the 240v mains available inside the box. What type of posistor to use? I imagine most would let too much current through before getting hot enough. Philips seem to have a large selection (availabe as tv spares) but I can't find specs anyware online... The coil is 140mm in diameter and has a DC resistance of 8 ohms any ideas? |
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