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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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Troubleshooting a dead Onkyo TX-SV727 Receiver - Pwr Supply Suspect
Hello,
I've tried searching this group and looking for relevant information but nothing really related to the basic troubleshooting I'm doing for my dead Onkyo TX-SV727 Receiver. iBACKSTORY/i The electricity in my house is pretty janky and my stereo may have been shorted out because of that. Basically, my wife was listening to music when something happend and she saw the words "Protect" come on the display. bTROUBLESHOOTING STEPS TAKEN/b I checked the speaker wires and they had no damage (so that didn't short it out). I tried replacing the fuse with several different ones. The stereo came with a T 6,3A 125V Fuse, but I could not find that specific one in any of the shops here in Portland. I've tried 6A at 125V and also 5A at 220V but they all blow within seconds. I've also inspected the power supply and there are no obvious scorch marks or soder marks that look shorted out. Please help me figure out what to do next. Thanks! |
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