Basic Troubleshooting Guide - Harman Kardon FL8385 Service Manual

FL8385
TROUBLESHOOTING 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
14 TROUBLESHOOTING GUIDE
POSSIBLE CAUSE
• No AC power
• Main Power Switch turned off
• Weak batteries
• Blocked sensor
• Disc upside down
• Moisture inside unit
• Receiver or preamp and amp
not turned on
• Poor connections
• Wrong source selected
• Disc may be damaged
• Surface vibrations
• Incorrect input
10
SOLUTION
• Make certain that the AC power cord is plugged into a live outlet
• Turn on Main Power Switch
• Install fresh batteries, observing polarity indications
• Remove obstructions from the front panel sensor, or connect
a remote sensor to the Remote Control Input ¢
0on the rear panel
• Turn CD over so that label side faces up
• Leave the unit turned ON for 30 minutes to allow
moisture to evaporate
• Turn on all necessary equipment
• Make certain connections are secure and made to
the correct (e.g., CD) input
• 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 FL 8385 is connected to a line-level
audio input, NOT a digital audio or phono input
harman/kardon
jack