CS350 Left side not working

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Guys, I'm looking for some help. Not sure if this should be in "Customer Service" or "Troubleshooting" thread, but I am starting here...

I recently bought a used CS350 Center Channel from the original owner that was supposed to in good working order. When I received the unit, the far right driver was frozen up and the unit had extremely low volume. I figured that the frozen driver was causing the issue. I have found replacement drivers, replaced the frozen driver and I am only getting sound from the tweeter and the 2 right side drivers, no sound from the 2 left side drivers!!??!! I manually tested the 2 left side drivers and they move freely, with no scratching sound. What gives?? I have a copy of the wiring diagram and the unit is wired correctly, so what would cause 1/2 of the unit not to work?


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  • F1nut
    F1nut Posts: 49,802
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    Inspect the crossover for damaged components and also check for continuity between the crossover connections and the drivers.
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  • PFL89
    PFL89 Posts: 22
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    Thanks F1nut, will do. A quick visual didn't show anything obvious, i.e., cracked board, broken solder joint disconnected / misconnected wire, etc. I will look again and get some pics.