Troubleshooting Guide - Harman Kardon HD750 Owner's Manual

Troubleshooting Guide

TROUBLE SHOOTING GUIDE
SYMPTOM
No lights on Front Panel
Remote does not appear
to operate
Front panel lights, but CD
does not play
Play indicator lights, but
no sound is heard
Sound skips or stutters
during play
Sound is continually distorted
lights up continuously
ERROR
in the display
CAUSE
• No AC power
• Power Switch turned off
• Weak batteries
• Blocked sensor
• Disc upside down
•Poor connections
• Wrong source connected
• Disc may be damaged
• Surface vibrations
• Incorrect input
• Various
SOLUTION
• Make certain AC power cord is plugged into
a live outlet.
• Turn on Power Switch.
• Install fresh batteries, observing polarity indications.
• Remove obstructions from the front panel sensor or connect a
remote sensor to the Remote In
• Reload disc with label side facing up.
• Make certain connections are secure and made
to the correct (e.g., ) input.
CD
• Select CD source on receiver or preamp.
• Try another disc.
• Isolate the unit from vibration by placing it on a
firm surface or move it further away from speakers.
• Make certain that the analog
HD750 are connected to a line level audio input, NOT to a
digital audio or phono input.
• Turn the unit off and on again. If the problem persists, turn the
AC power to the HD750 off and on.
jack on the rear panel.
of the
Audio Outputs
™
TROUBLESHOOTING GUIDE 15