DVD 37 (serv.man6) - Harman Kardon Audio Service Manual (repair manual). Page 10

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TROUBLESHOOTING GUIDE  37
TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Unit does not turn on 
• No AC power
• Check AC power plug and make certain any switched
outlet is turned on.
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 disc is SACD, CD, CD-R, CD-RW, VCD, MP3, WMA, JPEG,
DVD-R, DVD-RW, DVD+R, DVD+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 preset
• Enter password to override or change rating settings (see page 20).
No picture
• Intermittent connections
• Check all video connections.
• Wrong input
• Check input selection of TV or receiver.
• Progressive Scan output selected
• Use Progressive Scan mode only with compatible TV. Press Progressive Scan/
Interlaced Button
to toggle to the correct mode (see page 23).
• Video Off feature active
• Press Video Off Button
to reactivate video circuitry.
• HDMI Output 2 is connected to a 
• The HDMI Output 2 may not be used with video displays that are not 
video display that is not HDCP-compliant.
HDCP-compliant. Unplug the cable and select another audio and video 
connection (see pages 14 through 16).
No sound
• Intermittent connections
• Check all audio connections.
• Incorrect digital audio selection
• Check digital audio settings on DVD 47 and on receiver.
• DVD disc is in fast or slow mode
• There is no audio playback on DVD discs during fast or slow modes.
• Surround receiver not compatible 
• Use analog audio outputs.
with 96kHz PCM audio
• DVD Audio or SACD disc is loaded 
• Use 6-Channel Audio Outputs 9 or Analog Audio Outputs 8.
without using analog audio connection
Picture is distorted or jumps during
• MPEG-2 decoding
• It is a normal artifact of DVD playback for pictures to jump or show 
fast forward or reverse play
some distortion during rapid play.
Some remote buttons do not operate
• Function not permitted at this time
• With most discs, some functions are not permitted at certain 
during DVD play; prohibited symbol 
times (e.g., Track Skip) or at all (e.g., direct audio track selection).
appears (see below)
The OSD menu is in a foreign language
• Incorrect OSD language
• Change the display language selection (see page 23).
The 
symbol appears
• Requested function not available at 
• Certain functions may be disabled by the DVD itself during 
this time
passages of a disc.
Picture is displayed in the
• Incorrect match of aspect ratio settings
• Change aspect ratio settings (see page 23).
wrong aspect ratio
to disc
Remote control inoperative
• Weak batteries
• Change both batteries.
• Sensor is blocked
• Clear path to sensor or use optional outboard remote sensor.
Disc will not copy to VCR
• Copy protection
• Many DVDs are encoded with copy protection to prevent 
copying to VCR.
Password not accepted.
• Incorrect password being used or
• Stop play of disc. Press and hold Clear Button
until the display blinks.
password has been forgotten.
This resets the password and all settings to their defaults.
DVD 47 (120V) OM  3/30/06  10:41 AM  Page 37
harman/kardon
Service manual DVD37EU
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