Troubleshooting Guide

46

Troubleshooting Guide

SYMPTOM

CAUSE

SOLUTION

 

 

 

No front panel lights when power

• No AC Power

• Make certain AC power cord is plugged into

switch is pressed

 

a live outlet

 

 

• Check to see if outlet is switch controlled

 

 

 

Display lights, but no sound

• Intermittent input connections

• Make certain that all input and speaker connections

or picture

 

are secure

 

Mute is on

• Press Mute button

 

• Volume control is down

• Turn up volume control

 

 

 

No sound from any speaker.

• Amplifier is in protection mode

• Check speaker-wire connections

Light around power switch is red

due to possible short

at receiver and speaker ends for shorts

 

• Amplifier is in protection mode

• Contact your local Harman Kardon service depot

 

due to internal problems

 

 

 

 

No sound from surround or

• Incorrect surround mode

• Select a mode other than Stereo

center speakers

• Input is monaural

• There is no surround information from mono sources

 

• Incorrect configuration

• Check speaker mode

 

• Stereo or Mono program material

• The surround decoder may not create center or rear

 

 

channel information from non-encoded programs

 

 

 

Unit does not respond to

• Weak batteries in remote

• Change remote batteries

remote commands

• Wrong device selected

• Press the AVR selector

 

• Remote sensor is obscured

• Make certain front panel sensor is visible to remote

 

 

or connect remote sensor

 

 

 

Intermittent buzzing in tuner

• Local interference

• Move unit or antenna away from computers, fluorescent

 

 

lights, motors or other electrical appliances

 

 

 

AVR65 120 volt Rev (C) 10/6/98

Page 46
Image 46
Harman-Kardon AVR65 manual Troubleshooting Guide