Troubleshooting Chart - Harman Kardon AVR41 Owner's Manual

32642_AVR41 Eng 04/03/1998 9:03 Side 21
This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem,
first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon Dealer or Service Center.
If the problem is...
No lights illuminate when POWER button is pressed
No sound is heard
Dolby Surround does not work on center and rear channels
Selecting a Video source produces sound but no picture
The TV picture does not match the sound
No output from one or more channels
No center channel output
Tuner sound has a large amount of interference, or
The "Stereo" display is not illuminated, or
Tuner sound distorts and/or is noisy
Tuner is intermittent or continuously buzzing or hissing
Stations cannot be preset
Troubleshooting
21
Make sure that the...
Unit is plugged into a live outlet
Main power switch is pressed in
Unit has not been muted
Correct input function selector button has been pressed
Volume is turned up
Correct surround mode is selected
Center and/or rear speakers are selected
Rear and center levels are turned up
You are using a surround encoded source
Monitor output is connected to the video input on TV
Video sources are properly connected to receiver
Video/Antenna Switch on TV is set to Video
Cables are not defective: Check/replace speaker cables
Center channel speaker is connected properly
Phantom or Hall mode is not active
Unit is in the Pro Logic mode
Center channel level is properly adjusted
Center speaker LARGE or SMALL mode is selected
Antenna is properly connected
Antenna is properly located
Antenna is set in the proper direction
Antenna is adequate to receive the desired station
Unit is away from fluorescent lights, motors and
other electrical appliances
Memory button has been pressed and the MEM indicator
blinks before numbers are pressed