Boulder Amplifiers 865 manual Troubleshooting Symptom Cause Remedy

Models: 865

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TROUBLESHOOTING

 

SYMPTOM

CAUSE

REMEDY

No power indication

Amplifier is not plugged in

Connect to AC mains outlet

 

AC mains power switch in OFF position

Turn rear panel switch ON

 

Fuse open or missing

Reinsert or replace fuse

Red power indication

Low line voltage

Have line voltage checked

 

Power supply breaker open

Reset breaker on rear panel

 

Amplifier is defective

Return to dealer for service

Analog source selected, amber power

No signal from source

Check source controls, cables and

indication but sound not heard from either

 

connections

channel

No signal to loudspeakers

Check loudspeaker cables and

 

 

connections

 

Output muted

Press MUTE button

 

Amplifier is defective

Return to dealer for service

Amber power indication, but sound not

No signal from one channel of source

Check source controls, cables and

heard from one channel

 

connections

 

One channel is muted by balance control

Press BALANCE and recenter

 

Amplifier is defective

Return to dealer for service

7-3

APPENDIX

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Boulder Amplifiers 865 manual Troubleshooting Symptom Cause Remedy