Troubleshooting Guide - Harman Kardon HK 3380 Owner's Manual

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 . . .
No lights appear when POWER button is pressed
No sound is heard
No output from one or more channels
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
Remote does not function correctly
Cassette or CD sounds distorted
Turntable sounds distorted
No video image
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
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
Cables are not defective: check/replace speaker cables
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, TVs, motors and
other electrical appliances
Batteries are not weak, and replace them if necessary
Room lighting is not overly bright
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 has been plugged into the Phono Input ™,
as the other inputs are not compatable with turntable signal levels
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
TROUBLESHOOTING GUIDE 17