Koss KS4380-2 manual System starts playing the DVD automatically

Page 46

Troubleshooting (Continued)

Severe hum or noise is heard.

￿Check that the speakers and components are connected securely.

￿Check that the connecting cords are away from a transformer or motor, and at least 3 meters away from a TV set or fluorescent light.

￿Move your TV away from the audio components.

￿The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with alcohol.

￿Clean the disc.

The surround effect is difficult to hear when you are playing a Dolby Digital sound track.

￿Set the Dolby Surround to “OFF” in the SETUP menu.

￿Check the speaker connections.

￿Depending on the DVD disc, the output signal may at times be monaural or stereo even if the sound track is recorded in Dolby Digital format.

No sound is heard from the subwoofer.

￿When you play A DVD movie disc, the player will automatically select DOLBY DIGITAL audio mode. If the DVD disc is recorded with Dolby Digital soundtrack you will hear sound from all 5 satellites plus subwoofer. If the DVD disc does not come with DOLBY DIGITAL and comes either Dolby Surround, Dolby Pro Logic or 2 channel Stereo soundtrack, the subwoofer will not operate. In this case press the DSP MODE button on the front panel or the remote control to select 2 CH. STEREO audio mode. This will activate the subwoofer.

The sound comes from the center speaker only.

￿Depending on the disc at times the sound may come from the center speaker only. This is normal.

No sound is heard from the center speaker.

￿Make sure the Center is set. (see page 43)

￿The listening mode may be set to Dolby Pro Logic.

￿Adjust the center speaker volume.

No sound or only a very low-level sound is heard from the rear speakers.

￿Make sure the Rear speaker is configured properly. (see page 43)

￿The listening mode may be set to 3-Stereo.

￿Adjust the rear speaker volume.

Radio stations cannot be tuned in.

￿Check that the antennas are connected correctly. Adjust the antennas and connect an external antenna if necessary.

￿The signal strength of the stations is too weak (when turning in with automatic tuning). Use manual tuning.

￿No stations have been preset.

￿The tuner mode is not selected, select the Tuner mode.

The remote does not function.

￿Remove any obstacles between the remote control and the system.

￿Move the remote control closer to the system.

￿Point the remote control at the remote sensor on the front panel.

￿Replace all the batteries in the remote control with new ones if they are weak.

￿Check that the batteries are loaded correctly.

The disc does not play.

￿There is no disc inside. (“NO DISC” appears on the front panel display and the TV screen.) Insert a disc.

￿Insert the disc correctly with the playback side facing down on the disc tray.

￿Clean the disc (see page 12).

￿The system cannot play CD-ROMs, etc. (see page 11). Insert a DVD, a CD, or a MP3 disc.

￿Check the region code of the DVD disc (see page 11).

￿Moisture has condensed inside the system. Remove the disc and leave the system turned on for about an hour. (see page 10)

The system starts playing the DVD automatically.

￿The DVD features the auto playback function.

Playback stops automatically.

￿Depending on the disc, the auto pause signal is recorded. While playing such a disc, the system stops playback at the signal.

Stopping playback, Search, Slow-motion play, repeat play or Program play, etc., cannot be done.

￿Depending on the disc, some of the above operations may not be available.

Messages do not appear on the TV screen in the language you want.

￿Select the language for OSD in SETUP menu (see page 34). The disc must have the language you selected, if not, other language will be selected.

The language for the sound cannot be changed when you play a DVD.

￿Multilingual sound is not recorded on the DVD.

￿Changing the language for the sound is prohibited on the DVD.

The language for the subtitles cannot be changed when you play a DVD.

￿Multilingual subtitles are not recorded on the DVD.

￿Changing the language for the subtitles is prohibited on the DVD.

The subtitles cannot be turned off when you play a DVD.

￿Depending on the DVD, you may not be able to turn the subtitles off.

The angles cannot be changed when you play a DVD.

￿Multi-angles are not recorded on some DVDs.

￿Change the angles when the angle mark appears on the TV screen (see page 39).

￿Changing the angles is prohibited on some DVDs.

The system does not operate properly.

￿Static electricity, etc., may affect the system’s operation. Disconnect the AC power cord once, then connect it again.

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Contents Refer servicing to qualified service personnel only Welcome...…Important Safety Instructions CleaningWall or Ceiling Mounting FCC Notice FCC CautionTable of Contents Location of Controls and Indicators Main Unit Front ViewLocation of Jacks and Terminals Main Unit Rear ViewMain Display Indicators Remote Controller Buttons Important Safeguards and Precautions Icons used on DVD discs Types of Discs That Can be Played on This SystemDiscs that Cannot be Played Glossary of Disc TermsDisc cleaning precautions Disc handling precautionsDisc installing precautions Inserting Batteries into the Remote Control InstallationUnpacking To avoid short-circuiting the speakers Speaker System ConnectionExamples of poor connection of the speaker cord FM Outdoor Antenna Antenna ConnectionsFM Indoor Antenna AM Outdoor AntennaConnecting the AC Power Cord TV and Optional Component ConnectionsProgressive Y, PB, PR Video Out TV Connection-Component Video Cable not IncludedLine Digital Progressive-Scan Component Video Output Typical Speaker Set Up Speaker Positioning InformationControls and Their Functions Speaker Setup Button Choose speaker typeMIC 1 / MIC 2 Jacks Changing Preset Stations Presetting Radio StationsRecalling Preset Stations Last Station MemoryPlaying Discs Basic PlaybackSkipping Chapter or Tracks Adjusting the Speaker Levels Test Tone Using the Audio Menu Using the Title MenuUsing the Root Menu Understanding the Individual DVD Disc MenuRepeat Playback Program Play Audio CDs Only To start playback from a specific title or chapter Selecting a CD Track Using Number ButtonsSelecting a Start Point by Chapter or Time Code To start playback at a specific elapsed timeWhen playing a normal audio CD Checking Disc Information Using Display ButtonWhen playing back a DVD Setup Menu Listing Setup Menu Information DVD Menu SettingTV Type Setting Multi/NTSC/PAL TV Display SettingVideo Out Selecting Angle Mark Selecting the On Screen Display OSD LanguageScreen Saver Setting Dolby Digital Setup Dynamic Range SettingSelecting the Language for Subtitles PreferencesSelecting the Language for Audio Selecting the Language for Disc MenusSetting the Parental Control Level Changing the Parental Control PasswordSpeaker Setup How to change speaker configuration settingsKaraoke Function Special Functions Zoom ControlAngle Selection Bookmark Function DVD OnlyAudio Language Selection Subtitle Language SelectionPBC Function VCD 2.0 Only Picture CD OperationsDigest Display for Movie DVDs Digest/Intro-Scan Function for Audio CDsListening to the Radio Other FunctionsKey Lock Center Level, Rear Level, and Subwoofer Level Adjustments Other Sound EffectsListening to an External Source Night Playback Mode Front Panel OnlySpeaker Configuration Setup Front Panel Only Mute ControlTroubleshooting Additional InformationSystem starts playing the DVD automatically Specifications Sonigem Service DVD Player Receiver with Karaoke