Harman Kardon AVR5 Owners Manual - Page 37

Troubleshooting Guide 38 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 Service Center. If the problem is... No lights illuminate when POWER button is pressed Make sure that the... Unit is plugged into a live outlet Main power switch is pressed in No sound is heard Unit has not been muted Correct input function selector button has been pressed Volume is turned up Dolby Surround does not work on center and rear channels 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 Selecting a Video source produces sound but no picture Monitor output is connected to the video input on TV The TV picture does not match the sound No output from one or more channels Video sources are properly connected to receiver Video/Antenna Switch on TV is set to Video Cables are not defective: Check/replace speaker cables 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 volume level is too low Tuner is intermittent or continuously buzzing or hissing Center channel speaker is selected Pro Logic mode is selected Center channel level is properly adjusted Center speaker is selected The antenna is properly connected The antenna is properly located The antenna is set in the proper direction The antenna is adequate to receive the desired station The unit is away from fluorescent lights, TVs, motors and other electrical appliances