Harman-Kardon HK 3390 - Manual (Page 17)

Troubleshooting Guide
TROUBLESHOOTING 17
English
T his unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. 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... Make sure that the...
No lights appear when System Power 2 button Unit is plugged into a live outlet.
is pressed
No sound is heard
Unit has not been muted.
Correct input function selector button has been pressed.
Volume is turned up.
Speakers have been turned on using the Speaker Selectors 67ü√.
No output from one or more channels Cables are not defective: check/replace speaker cables.
Tuner sound has a large amount of interference, or Antenna is properly connected.
the “Stereo” display is not illuminated, or Antenna is properly located.
Tuner sound distorts and/or is noisy Antenna is set in the proper direction.
Antenna is adequate to receive the desired station.
Tuner is intermittent or continuously buzzing or hissing Unit is away from fluorescent lights, TVs, motors and
other electrical appliances.
Remote does not function correctly Batteries are not weak, and replace them if necessary.
Correct device page has been selected by pressing the Source Selector key ç.
Remote sensor is not obstructed, and remote is pointing directly at sensor at an angle of
no more than 30 degrees. Also, check for fluorescent lighting, which may be interfering
with the IR transmission.
Cassette or CD sounds distorted Cassette deck or CD player has not been plugged into the Phono input.
(Only use the outputs of a turntable or tonearm with the Phono input.)
Turntable sounds distorted Turntable has been plugged into the Phono Input 5,
as the other inputs are not compatable with turntable signal levels
No video image Video source unit’s video ouput is properly connected, the source is turned on and the correct
video input on the HK 3490/HK 3390 has been selected
Video Monitor Output
K is connected to a TV or video display, and that the TV is turned
on and the proper input on the TV has been selected
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