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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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PWM power supplies!!
Has anyone built a device to "listen" to pulse
width modulated power supplies? My hearing is getting bad, & I can't hear the "chirp" on plugin in T.V.'s for example! Rono. |
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