How to troubleshoot a B&K Amplifier with no sound and the LED is off?
If your B&K Amplifier has no sound and the ‘on’ LED is not illuminated, start by ensuring the power cord is securely plugged in. Next, verify that the AC power source is active by checking the AC switch or fuse. If the problem persists, inspect the AC power inlet fuse for any signs of damage or overloading. Finally, make sure that the control switch is in the correct position.
What to do if my B&K Amplifier has no sound on some channels but the LED is on?
If your B&K Amplifier exhibits no sound on some or all selected channels, but the ‘on’ LED is illuminated, begin by checking the speaker leads for looseness or faults; tighten, repair, or replace them as necessary. Then, inspect the line stage to amp cables and the source to line stage cables, tightening, repairing, or replacing them if needed. Lastly, ensure that the line stage or source is correctly selected by verifying all switch settings.
Why is there a loud hum or buzz on my B&K Reference 3220 Amplifier channels?
If you're experiencing a loud hum or buzz on one or more channels of your B&K Amplifier, it might be due to a poor ground connection in the interconnect cables. Inspect all connectors and repair them as necessary to resolve this issue.
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