Harman Kardon DVD 31, Preliminary Service Manual

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TROUBLESHOOTING GUIDE 31
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 CD, CD-R, CD-RW, VCD, MP3-CD, DVD-R and
DVD-RW (standard conforming) or DVD-Movie; other types will not play.
• Invalid Region Code • Use Region 1 disc only.
• Rating is above parental preset • Enter password to override or change rating settings (see page 18).
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.
• Video Off feature active • Press Video Off Button
B
to reactivate video circuitry
(see page 10).
No sound • Intermittent connections • Check all audio connections.
• Incorrect digital audio selection • Check digital audio settings.
• 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
No sound from DVD-Audio discs • No 5.1-channel direct connections • Make certain that all six cables required for the 5.1 Direct Audio Output
¢
connection are made between the DVD 31 and your receiver or processor.
• Receiver input incorrect • Make certain that the correct input source is selected on your A/V receiver
or surround sound processor. On some models, this may be different from
the normal DVD input setting.
Picture is distorted or jumps during • MPEG-2 decoding • It is a normal artifact of DVD playback for pictures to jump
fast forward or reverse play or show some distortion during rapid play.
Some remote buttons do not operate • Function not permitted at this time • With most DVDs, 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 18).
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 20).
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.
In addition to the items shown above, additional information on troubleshooting possible problems with your DVD 31, or installation-related issues, may be found in the
list of “Frequently Asked Questions” which is located in the Product Support section of our Web site at www.harmankardon.com.
DVD 31 (120V) OM 6/25/04 11:40 AM Page 31
DVD31 harman/kardon
20
1) To Cancel a Parental Control Password or Cancel Progressive Scan:
•
Press and hold CLEAR button for 5 seconds while the player is on.
2) To Cancel all user settings back to factory default settings:
• Step One: Press “OSD”, press “Right Arrow”, and then press “Down Arrow”.
•
Step Two: Enter “1-2-1-1” using the numeric buttons on the remote.
•
Step Three: Press “Down Arrow” as many times as required to reach the “Restore Default Setting” line.
• Step Four: Press “Enter” twice to activate the reset process.
All the user settings have been now reset back to the factory default.