Harman Kardon HS 300, Service Manual

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TROUBLESHOOTING GUIDE
SYMPTOM CAUSE SOLUTION
Unit does not function when Main • No AC Power • Make certain AC power cord is plugged into
Power Switch is pushed a live outlet
• Check to see whether outlet is switch-controlled
Display lights, but no sound • Intermittent input connections • Make certain that all input and speaker connections
or picture are secure
•
Mute is on • Press Mute Button
• Volume control is down • Turn up volume control
No sound from any speaker; • Amplifier is in protection mode • Check speaker wire connections for shorts at receiver and
light around power switch is red due to possible short speaker ends
• Amplifier is in protection mode • Contact your local Harman Kardon service center
due to internal problems
No sound from surround or • Incorrect surround mode • Select a mode other than Stereo
center speakers • Input is monaural • There is no surround information from mono sources
• Incorrect configuration • Check speaker-mode configuration in Audio Adjustments
• Stereo or Mono program material submenu
• The surround decoder may not create center- or rear-channel
information from nonencoded programs
Unit does not respond to • Weak batteries in remote • Change remote batteries
remote commands • Wrong device selected • Press the correct selector
• Remote sensor is obscured • Make certain front panel sensor is visible to remote
or connect an optional remote sensor
Intermittent buzzing in tuner • Local interference • Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances
No picture • Intermittent connections • Check all video connections.
• Wrong input • Check input selection of TV or video display.
• Progressive Scan output selected • Use Progressive Scan mode only with compatible TV. Press
Source Video Format Button to toggle to the correct resolution.
• HDMI Output is connected to a video • The HDMI Output may not be used with video displays that
display that is not HDCP-compliant are not HDCP-compliant. Unplug the cable and select
another audio and video connection
• Wrong video output setting • S- and component video are not available simultaneously.
Press Source Video Output Button to toggle to the correct
video output.
Disc does not play • Disc loaded improperly • Load disc label-side up; align the disc with the guides and
place it in its proper position.
• Incorrect disc type • Check to see that the disc is CD, CD-R, CD-RW, VCD, MP3,
WMA, JPEG, DVD-R/RW, DVD+R/RW (standard-conforming),
DVD-Audio or DVD-Video; other types will not play.
• Invalid Region Code • Use Region 1 or Open Region (0) disc only.
• Rating is above parental control setting • Enter password to override or change rating settings
No sound • Intermittent connections • Check all audio connections.
• Incorrect audio input selection for • Make sure audio input selection matches physical
external source connection.
• DVD disc is in fast or slow mode • There is no audio playback on DVD discs during fast
or slow modes.
Picture is distorted or jumps • MPEG-2 decoding • It is a normal artifact of DVD playback for pictures to jump
during fast forward or reverse play or show some distortion during rapid play.
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HS300
harman/kardon