Troubleshooting Guide
Your AVR 120 receiver has been designed to provide many years of trouble-free service. In the event that you are experiencing difficulties, please check the
suggestions below for a possible solution to your problem. Additional information on the AVR 120, including updated information and user hints, is avail-
able from our Web site at www.harmankardon.com.
SYMPTOMCAUSESOLUTION
Unit does not function when MainY No AC PowerY Make certain AC power cord is plugged into
Power Switch is pusheda live outlet
Y Check to see whether outlet is switch-controlled
Display lights, but no soundY Intermittent input connectionsY Make certain that all input and speaker connections
or pictureare secure
Y Mute is onY Press Mute button
Y Volume control is downY Turn up volume control
Unit turns on, but front-panel Y Display brightness is turned offY Follow the instructions in the Display Brightness section
display does not light upon page 26 so that the display is set to VFD FULL
No sound from any speaker;Y Amplifier is in protection mode Y Check speaker wire connections for shorts at receiver and
light around power switch is reddue to possible shortspeaker ends
Y Amplifier is in protection mode Y Contact your local Harman Kardon service center, which you can
due to internal problemslocate by visiting our Web site at www.harmankardon.com
No sound from surround orY Incorrect surround modeY Select a mode other than Stereo or Dolby 3 Stereo
center speakersY Input is monauralY There is no surround information from mono sources
Y Incorrect configuration Y Check speaker mode configuratioin
Y Stereo or Mono program materialY The surround decoder may not create center- or rear-channel
information from nonencoded programs
Unit does not respond toY Weak batteries in remoteY Change remote batteries
remote commandsY Wrong device selectedY Press the AVR selector
Y Remote sensor is obscuredY Make certain front-panel sensor is visible to remote
or connect remote sensor
Intermittent buzzing in tunerY Local interferenceY Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances
Letters flash in the channel indicatorY Digital audio feed pausedY Resume play for DVD
display and digital audio stopsY Check that Digital Input is selected
Processor ResetSystem Power Control Button 2. Next,If the system is still operating incorrectly, there
simultaneously press and hold the Tone Modemay have been an electronic discharge or
In the rare case where the unitOs operation or6 and the FM Mode Selector @ buttonssevere AC line interference that has corrupted
the displays seem abnormal, the cause mayfor three seconds.the memory or microprocessor.
involve the erratic operation of the systemOs
memory or microprocessor.The unit will turn on automatically and displayIf these steps do not solve the problem, consult
the RESET message in the Mainan authorized Harman Kardon service center.
To correct this problem, first unplug the unitInformation Display F. Note that once youYou can locate the service center nearest
from the AC wall outlet and wait at least threehave cleared the memory in this manner, it isto you by visiting our Web site at
minutes. After the pause, reconnect the ACnecessary to reestablish all system configurationwww.harmankardon.com.
power cord and check the unitOs operation. Ifsettings and tuner presets.
the system still malfunctions, a system Oreset�Memory Backup
may clear the problem.NOTE: After a reset, the unit will be returned toThis product is equipped with a memory backup
the factory presets, and all settings for tunersystem that preserves the system configuration
To clear the AVR 120Os entire system memorymemory and presets speaker configuration,information and tuner presets if the unit is acci-
including tuner presets, output level settings,delay times and surround mode memories mustdentally unplugged or subjected to a power
delay times and speaker configuration data,be reentered.outage. This memory will last for approximately
first put the unit in Standby by pressing thetwo weeks, after which time all information
must be reentered.
42 TROUBLESHOOTING GUIDE |
ACEC
