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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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Lamp Dimmer
My wife's reading lamp failed. I replaced the 100W 120V halogen bulb,
which did no good so I pulled out the dimmer circuit. I know nothing about these but after googling for light dimmer I found this: http://www.epanorama.net/documents/l...mmer.html#120v The "typical 120V AC dimmer circuit" uses almost the same components that are on my dimmer: two diodes cap resistor pot diac triac The diodes test good one way so I wonder if either the BT137F triac or the DB3 diac are the problem. Can these be tested with a VOM? |
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