Harman Kardon PM655 - Playback Noise and Sound Quality

TROUBLESHOOTING CHECKLIST
Problem
When increasing the volume
level while playing a turntabie,
an undesireble prolonged
sound (howling) is heard.
Sound quality is poor.
| Cause
L
Remedy |
e’Howling” is created by the speakers
and turntable.
eToo much
present.
low frequency sound is
ePlace the speakers further away from
the turntable.
ePlace the turntable on a more solid
surface.
eDecrease the setting of the BASS
control knob and/or turn off the BASS
CONTOUR switch.
eTurn on the SUBSONIC filter switch.
elnput components have not been set
up correctly.
eTone control is not proper.
eCheck the antenna of the tuner, car-.
tridge of the turntable, or head of the
tape deck, etc. and make corrections
as needed.
eAdjust the BASS and/or TREBLE con-
trol knobs to obtain a desired tone.