Remote Control Functions Hk3470; Troubleshooting Guide - Harman Kardon hk3370 Service Manual

hk3370/hk3470

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
hk3370/hk3470 Microprocessor Reset Instructions
TROUBLESHOOTING GUIDE
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
The speakers have been turned on using the Speaker Selectors
Cables are not defective: check/replace speaker cables
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
Batteries are not weak, and replace them if necessary
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 has been plugged into the Phono Input §,
as the other inputs are not compatable with turntable signal levels
To correct this problem, first unplug the unit from the AC wall outlet and
wait at least three minutes. After the pause, reconnect the AC power
cord and check the unit's operation. If the system still malfunctions, first
turn the unit off by pressing the Main Power Switch and then
releasing it so that it extends out beyond the front panel and the word
"OFF" is visible in red lettering at the top of the switch. Next, press and
hold the T•Mon and CD Input Selector buttons on the front panel
ONLY. While holding these buttons in, press the Main Power Switch in
until it latches so that the button is flush with the front panel. The
Information Display will briefly show the word RESET, and then return to
normal operation.
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harman/kardon