AVR 11 (serv.man5) - Harman Kardon Audio User Guide / Operation Manual. Page 20

Troubleshooting

14

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.

No lights illuminate when POWER button is pressed

Unit is plugged into a live outlet

No sound is heard

Correct input function selector button has been pressed 
Volume is turned up
Speakers are connected properly

Dolby Surround does not work on center and rear channels

Correct surround mode is selected 
Rear and Center levels are turned up
Dolby Surround material is used as source

Selecting video component produces sound but no picture

Video cables are connected properly

The TV picture does not match the sound

Video sources are properly connected to receiver 
Video/Antenna Switch on TV is set to Video

No output from one or more channels

Cables are not defective: Check/replace speaker cables 
The signal source is operating and providing proper signal output
to the AVR11

No center channel output

Dolby surround or 3 stereo is turned on 
Phantom mode is not active

Tuner sound has a large amount of interference, or

The antenna is properly connected

The “Stereo” display is not illuminated, or

The antenna is properly located

Tuner sound distorts and/or is noisy

The antenna is set in the proper direction 
The antenna is adequate to receive the desired station

Tuner is intermittent or continuously buzzing or hissing

The unit is away from fluorescent lights, TVs, motors and other
electrical appliances

Stations cannot be preset

After pressing the Memory button, the Preset button is pressed while
the memory indicator blinks

AVR11 engelsk manual  11/01/98 10:46  Side 14