Problems - Koss KS3112 Instruction Manual

PROBLEMS

If it appears that your DVD-Video player is faulty, first consult this checklist. It may be that something simple has
been overlooked.
Under no circumstances should you try to repair the player yourself; as this will invalidate the warranty. Only
qualified service personnel can remove the cover or service this player.
NO POWER
• Check if the on/off button on the front of the player is
set to on.
• Check if power plug of the mains cord is properly
connected.
• Check if there is power at the AC outlet by plugging
in another appliance.
NO PICTURE
• Check if the TV is switched on.
• Select the correct AV input on the TV.
• Check the video connection.
• Check if channel selector is set to AV on the TV.
(See your TV manual for instructions).
DISTORTED PICTURE
• Check the disc for fingerprints and clean with soft cloth,
wiping from center to edge.
• Sometimes a small amount of picture distortion may
appear. This is not a malfunction.
COMPLETELY DISTORTED PICTURE
• The disc format is not according to the TV-set used (PAL/
NTSC).
NO COLOR IN PICTURE
• The disc format is not according to the TV-set used (PAL/
NTSC).
• Ensure DVD player is not connected through VCR.
PICTURE SWING
• Relocated the unit further away from possible
interference or emission source (e.g. Radio, Power
Amplifier, radiator etc.).
DISC CANNOT BE PLAYED
• Ensure the disc label is upwards.
NO SOUND
• Check audio connections.
• If using a Hi-Fi amplifier, try another sound source.
• Check that DTS is selected in the Audio Menu if a
DTS disc is played.
• Ensure there is a DTS decoder connected when
selecting DTS.
• Clean the disc.
• Check if the disc is defective by trying another disc.
NO RETURN TO START-UP SCREEN WHEN
DISC IS REMOVED
• Check to see if the program requires another disc to
be loaded.
• Reset by unplugging the player from the power,
then connect the power again.
THE PLAYER DOES NOT RESPOND TO THE
REMOTE CONTROL
• Aim the remote control directly at the sensor on the
front of the player.
• Avoid all obstacles which may interfere with the
signal path.
• Inspect or replace the batteries.
DISTORTED OR B/W PICTURE
• The disc format does not match the TV-set used
(PAL/NTSC).
NO AUDIO AT DIGITAL OUTPUT
• Check the digital connections
• Check the Digital Out menu to make sure that the
digital output is correctly set.
• Check if the audio format of the selected audio
language matches your unit capabilities.
YOU HAVE FORGOTTEN THE PASSWORD
• Under no disc condition, press Number Key 7,
Number Key 6, Number Key 4, Number Key 1 and
Number 8 on Remote Control in order.
THE DISC IS STUCK INSIDE THE PLAYER
• In case the disc is stuck inside the tray, please
switch the unit off, unplug the power cord and wait
for 2 minutes. The player will resume normal
operation after switching on.
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