
Faultfinding Flowchart
26
Fault in
loudspeaker A
Swap loudspeaker
connections
Fault in
loudspeaker
A?
NO
Swap amplifier
outputs
Fault in
loudspeaker
B?
NO
Restore speaker cables to original connections
Swap amplifier source input channels
Fault in
loudspeaker
A?
YES
Swap source
output channels
Fault in
loudspeaker
A?
YES
Amplifier
at fault
YES
YES
NO
NO
Loudspeaker A
at fault
Loudspeaker cable at fault
Loudspeaker cable at fault
Input source
at fault