Harman Kardon AVR 230, Service Manual

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AVR
43
ENGL
IS
H
Troubleshooting
Symptom Cause Solution
unit does not function when main power switch is turned
on
no Ac power • ensure that the power cord is plugged into a live Ac •
power outlet
check if the Ac outlet is switch-controlled
•
front-panel message display lights, but there’s no sound
or picture
Intermittent input connection •
mute is on •
volume control is turned down •
Secure all input and speaker connections •
press mute button •
turn up volume control •
no sound from any speaker; protect message appears
on message display
Amplifier is in protection mode due to possible short •
circuit
Amplifier is in protection mode due to internal problems
•
check all speaker wires at speaker and Avr •
connections for crossed wires
contact your local harman kardon service center
•
no sound from center or surround speakers Incorrect surround mode •
program material is monophonic •
Incorrect speaker configuration •
program material is stereo •
Select a surround mode other than stereo •
mono programs contain no surround information •
check the speaker configuration in the setup menu •
the surround decoder may not create center- or •
surround-channel information from nonencoded
programs
unit does not respond to remote control commands weak batteries in remote •
Avr not selected •
remote sensor is obscured •
change batteries in remote •
press the Setup/Avr button •
ensure that the Avr’s front-panel remote sensor is in •
the line of sight of the remote
Intermittent buzzing in tuner local interference • move the Avr or antenna away from computers, •
fluorescent lights, motors or other electrical appliances
(AVR 3650/AVR 365 only): Surround-back speaker
settings cannot be accessed, and the test tone does not
play through the surround back speakers
multi-zone operation has been selected/Assigned Amp •
channels have been assigned to Zone 2
use the Speaker Setup menu to reassign the Assigned •
Amp to the surround back left and right channels
(AVR 3650/AVR 2650 only): the SIrIuS preview
channel (001) is silent
SIrIuS tuner is not connected •
SIrIuS antenna is in an improper location •
SIrIuS signal requires a refresh •
ensure that SIrIuS tuner is properly connected •
re-locate the SIrIuS antenna according to the •
recommendations in the SIrIuS tuner’s instruction
manual. for further help, visit
www.siriusradio.com
visit www.siriusradio.com
•
unable to activate remote control programming mode Source Selector button is not held for at least 3 •
seconds
be sure to hold the Source Selector button for at least •
3 seconds
remote buttons light, but Avr does not respond remote is in Zone 2 mode • Slide Zone Selector switch to the Zone 1 position. •
unable to establish network connection Avr network programming requires rebooting • cycle the Avr into the Standby mode, and then turn it •
on again
Additional information on troubleshooting possible problems with your Avr and installation-related issues may be found in the list of “frequently Asked questions,” which is
located in the product Support section of our web site: www.harmankardon.com
Harman Kardon AVR 365/230V Service Manual
Page 14 of 176