Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I'm trying to repair a Denon AVR-X4500H home theater receiver. The fans over the heatsink stopped working and it overheated and shutdown into protection mode.
Having repaired audio amplifiers in the past, I focused my efforts on checking the power transistors (FETs) first and found one channel...
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