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TROUBLESHOOTING GUIDE 17
TROUBLESHOOTING GUIDE
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 . . . Make sure that the . . .
No lights appear when POWER button is pressed 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
Speakers have been turned on using the Speaker Selectors
Headphones are not in use
Jumper pins are in place, unless an external amplifier is in use
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 volume level is too low 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
Room lighting is not overly bright
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 tone arm with the Phono Input ™)
Turntable sounds distorted Turntable has been plugged into the
Phono Input ™,
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 3380 has been selected
Video Monitor Output · 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