Question about Bose Acoustimass 15 System
Hi, I lost the right front and right surround channels on my subject device. I checked my receiver by plugging in other speakers to each channel, checks ok. I checked the speakers by confirming they work on other channels and did the same with the wires, all ok. I popped open the acoustimass module and checked the D connector, and looked on the boards for a fried or loose component, nada. I pulled all of the connectors and reseated them, still no luck. What else is left?
Sounds like you may have a blown output transistor or chip, which generally show no external signs of damage. This would take an experienced technician to find and fix, and I commend you for knowing to check the speakers, receiver and cables through substitution! If you're handy with a soldering iron and can find the parts, try replacing the output transistors or chips in question. These are what usually fail in audio power amplifiers - also check any power resistors for opens - some of them are designed to act as fuses to protect the more expensive components.
Posted on Dec 29, 2008
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