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996 TT Amplifier Issue


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My stock Bose sound system quit working except for ear-shattering static that randomly cam through the speakers even when the radio was powered off (and the car was off). I unplugged the amplifier fuse and it stopped. The radio display works fine. I found a company online (I think it is just a guy and not really a company) who specializes in optic fiber Bose units and he said he fixed it, replacing some motherboard components and testing on a Porsche radio. I plugged it back in and get no sound at all from the system. The amp is definitely powering up. I've reset the system by both unhooking the car battery for several hours and by unplugging the 2 sound system fuses and phone fuse with no luck. Apparently this was recommended by a Porsche tech friend of the guy. I've wiggled wires to no avail. The closest Porsche dealer is 2 hrs away and there are no audio stores in town that deal with fiber optic units. I tried the local VW/Audi dealer and they can't help. Any suggestions of tricks that might be required to get it working with the car sound system? I'm thinking either there is a radio issue,or the repair guy didn't fix it.

Thanks for any suggestions.

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