Daewoo DVG - 8400N, DVG - 5300N service manual Troubleshooting

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OTHERS

TROUBLESHOOTING

If you experience the following problems while using the unit, this troubleshooting guide can help you.

NO SOUND

-Check if the unit is connected securely.

-Make sure you operate the TV or amplifier correctly.

NO IMAGE , IMAGE ROLLS AND NO COLOR

-Check if the unit is connected securely.

-Make sure you operate the TV correctly.

-Make sure you set the color system correctly.

BAD SOUND QUALITY

-Make sure the audio output mode is set correctly.

-Make sure the audio connection between the unit and amplifier is right.

DISC CAN NOT BE PLAYED

-There is no disc in the unit.

-Insert the disc on the disc tray properly with the label side up.

-Clean the disc.

-Moisture has condensed in the unit.

Remove the disc and leave the unit on for about one hour.

NO PHONE SOUND

-Switch on the microphone.

-Turn the MIC LEVEL away knob clockwise.

SCREAMING

-Keep the phone far away from the speaker

-Turn down the volume

-Turn down the volume of phone and echo.

REMOTE CONTROL DOES NOT WORK

-Remove barriers between the remote control and the unit.

-Replace the batteries with new ones.

-Point the remote control at the remote control sensor of the unit.

ATTENTION : KEEPING THE STATUS OF STOP IS MORE THAN AN HOUR, THIS SET ENTERS SCREEN SAVE MODE FOR 5 MINUTES AND THEN THE POWER IS SWITCHED OFF.

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Contents DVG 5300N DVG 8400N Overhaul Flowchart SummarizationReplace Parts IC Material Important for Laser Products Important Safety PrecautionsRead Instructions CleaningAccessories Power SourcesDisc Tray POWER-CORD ProtectionGrounding or Polarization LightningWall or Ceiling Mounting Damage Requiring ServiceReplacement Parts Safety CheckFeatures About Manual Principles for WritingPlayable Discs Terms for Discs Pictures ScenePBC Playback Control Enjoy music and images motionSecurity PlacementCleaning Before OperationHandling Disc Cleaning DiscCheck Accessories USE Remote ControlPreparations Before Operation Front PanelPress OPEN/CLOSE button to open it Rear Panel Creates Power between wall outlet and the unitCase you want to repeat and play a chapter or track VFDPBC ALLButton Names and Layout of Remote ControlsConnections Connected to a TV and AN Ordinary AmplifierTurn off all equipment before operation Button Remote control to turn the unit onBasic Operations Play DiscsSystem Setting ModeDisplay Pause Fast PlaySlow Play STEP/ PauseCONCERT, Living ROOM, Hall Select Audio LanguageSelect Channels Selecting 3D AudioPlaying a Desired Scene To Skip Scenes in a DiscDirectly Moving to a Desired Title DVD Repeat Play Playing a Disc Containing MP3 FilesRepeating a Defined Period from a to B Searching DVD with a TITLE/CHAPTER Number or a TimePress A-B three times to remove A-B repeat Remove the subtitle Searching CD and Something Disc with a Time or Track TimeSelect a Subtitle Language If a DVD disc includes subtitleBook Mark Play Discs in Verious WaysSelect Angle Zoom PlayProgram Play CD Program Play DVDDigest type Digest Play DVDPlaying disc, the screen shows Push direction button to selectList Play MP3 or PIC-CD DiscFile List appear one by one At this time you can operateModes list as the following Repeat one mode repeat the current itemShuffle mode play items by random Screen will show Zoom 100% when you push Zoom button underMenu Setting Function SettingFunction Setting Setup Menu General SetupBasic Navigation Spdif OFF SPDIF/RAWSPDIF/PCM Stereo Dolby Digital SetupPreference Setup LT/RTDisc Menu Enter a password according to the screenOthers TON ControlYou may change the pitch to adapt to your voice Push Troubleshooting Technical Specifications Replace Parts TOP Cover Replace ChassisBack Panel Front PanelPower Supply PC Board Replace PCB BoardMain PC Board MIC PC Board VFD Power Switch PC BoardComponent PC Board Replace DVD Loader Overhaul Flowchart Decoding Block Diagram Mpeg Block DiagramVFD-CS STB Control Schematic Circuit Diagram12T Power Schematic Circuit DiagramMT1369E LQFP208 DVD MP Board for Hitachi HOP1120/1200 MT1369AE Index & PowerTo reduce MT1336E Servo MT1369AE Mpeg Demo Board8M Flash Memory Schematic Circuit DiagramFor YUV For Scart Audio Video DAC Circuit DiagramAgnd Vgnd Micin Rmain Lmain Rrear Lrear LFE Cent AV Filter Schematic Circuit DiagramKaraoke Schematic Circuit Diagram IC Material Decal MT1369E IC MaterialFOO PIN Function DescriptionUWR# Vcocin Pin Symbol Type Description 140 CSO CS4340AUDIO D/A IC Material AV 3168 Video IC Material Pin Name Pin # Type Description SCL Decal PIN Function Description Flash 29F800 IC MaterialDecal PIN Function Description Control Panel IC Material16M Sdram IC Material PIN PIN Name Description