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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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Yamaha Amp cutting out !
I am new to this forum and I want to thank anyone in advance who can
help me with my problem. My friend's stereo amplifier has not worked for a while and I just surprised her by replacing her amp ( Onkyo ) with a Yamaha A 700. After connecting everything the stereo seemed to work fine but then the sound suddenly cut off ( with an audible click) the came back on a few seconds latter. This would happen everytime I turned up the volume or changed the balance or switched from stereo to mono. Apparently this is what happened with her old amp!! The amp seems to cut off in response to some increased load. She live in an old row home that has been partially rewired. The outlet is fused to a 20 amp fuse, and the fuse does not blow.The speaker wire runs through the walls and connected to terminals on a wall plate. A TV pluged into the same outlet works fine. (not running TV at the same time). there is no hum or distortion and the amp does not feel hot. At low vol it plays without cutting out. What could be the problem ? |
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