Harman Kardon HK6300 - Troubleshooting Checklist

TROUBLESHOOTING CHECKLIST
Most of the problems consumers have with their high fidelity
system are due to incorrect operation. If this unit does not
operate as you intended, first check the items in the following
checklist. Also check other related components such as the
tuner, turntable, speakers and other electrical equipment you
use with this amplifier.
Problem Cause
The POWER indicator does not | ®
light up when the POWER swit-
ch is pressed.
The power cord is not plugged in.
The TAPE MONITOR selector is in the
Tape 7 or Tape 2 position.
® The FUNCTION selection was not made
properly.
® The SPEAKERS selector is in the Off po-
sition.
® The External Processorswitch is notin the
appropriate position.
The POWER indicator lights up, | ®
but no sound is heard.
¢ The speaker wires are disconnected or
broken.
e Plug in the power cord securely.
¢ Set the TAPE MONITOR selector to the
Source position.
® Set the FUNCTION selector to the proper
position for the desired program source.
¢ Set the SPEAKERS selector to the posi-
tion of your desired speaker system(s).
@ When equalizer, surround sound proces-
sors, etc. are not used, make sure that the
External Processor switch is not set in the
In Line position (not pressed down).
e Check the speaker wires and connect
them correctly.
Sound is not heard from the | ®
speaker system on one side.
The connection of speaker wires is incor-
rect or incomplete.
¢ The connection wires to other equipment
are disconnected.
® The BALANCE control knob is turned to ei-
ther the extreme right or left position.
When The left and right speaker wires are rever-
sed.
The left and right wires connected to other
equipment are reversed.
listening to stereo
sound, the left and right sounds
are reversed.
The ground wire of the turntable is discon-
nected.
The connections of the turntable wires are
incorrect or incomplete.
When playing a turntable, a | ®
low-pitched noise (“hum” or
“buzz") is heard. e
© Check the speaker wires for disconnec-
tion or breaking and reconnect them cor-
rectly.
¢ Check the wires for disconnection and
connect them correctly.
¢ Set the mark on the BALANCE control
knob to the center position.
Check the speaker wires and connect
them correctly.
Check the wires to other equipment and
connect them correctly.
® Make the ground wire connection
correctly.
® Insert the turntable wires into the PHONO
jacks of this unit securely.
“Howling” is created by the speakers and
turntable.
When increasing the volume | ®
level while playing a turntable,
an undesirable prolonged
sound (howling) is heard.
® Too much low frequency sound is pres-
ent.
Input components have not been set up
correctly.
Sound quality is poor. °
Tone control is not proper.
e Place the speakers further away from the
turntable.
e Place the turntable on a more solid sur-
face.
© Decrease the setting of the BASS control
knob and/or turn off the Phase Correct
Loundness switch .
Turn on the Subsonic filter.
Check the antenna of the tuner, cartridge
of the turntable, or head of the tape deck,
etc. and make corrections as needed.
e Adjust the BASS and/or TREBLE control
knobs to obtain the desired tone.