11
PROTECTION CIRCUITRY
If the amplifier senses a short on one of the speaker wires the built-in protection circuit will
cut off audio output. The circuit will continue to monitor the line and will stay cut off as
long as the short continues to exist. If this occurs, inspect the speaker wire connections at
each end and fix any shorts that exist. Once the short is repaired, the amplifier will
continue to operate as normal.
TROUBLESHOOTING
Q1. The amplifier will not power on.
A1. Verify that the Master Power switch on the rear panel is in the ON position. Check to
ensure that the AC power cord is fully plugged in at each end. Verify that the AC
power outlet is live by plugging in another device, such as a lamp.
Q2. Audio from some channels, but not others.
A2. Try swapping the speaker from a good channel to the output of the bad channel to
see if the problem is with the input or output. Check that the RCA input cable is firmly
seated on the connector at each end. Try swapping out the input RCA cable with a
known good cable. Check the speaker wire connections at each end. Try swapping out
the speaker wire with a known good one.
Q3: Audio plays, then cuts off.
A3: Check the speaker wire connections for stray wire strands, which could cause a short
circuit.
