Toshiba 15LV505 service manual Troubleshooting Guide

Page 51

TROUBLESHOOTING GUIDE

(LCD SECTION)

POWER DOES NOT TURN ON

Yes

Is F501 broken?

No

No

Is there voltage at pin 6 of IC501 21V?

Yes

Yes

Is R510 broken?

Change F501.

Check IC501 and peripheral circuit.

Change R510.

No

Change POWER PCB.

E-1

Image 51

Contents 15LV505 Green Product Procurement Table of Contents Owner·s Record FCC Declaration of Conformity Compliance Statement PartLocation of the required Marking Precautions Identification of controls ContentsInserting batteries Remote controlAntenna connections Cable TV connectionsConnecting to an ampliﬁer equipped with a DTS decoder Connecting to optional equipmentConnecting to optional equipment Power source Connecting to an optional equipment with S-video outputAuto Setup Setting the languageTo memorize channels Clear All TV operationLabeling channels Adding ChannelLabeling video inputs Setting the V-ChipPicture settings Setting the closed captionsAdjusting the picture preference Picture settings Adjusting the picture preferenceViewing the wide-screen picture formats Film Mode/DNR Viewing the wide-screen picture formats Film ModeUsing the aspect feature Adjusting the back lighting Setting the Auto Shut Off Resetting your settingsPlaying a disc Zooming/Locating desired scene Marking desired scenesRepeat playback/A-B Repeat playback Disc status/To turn off the PBC Program playback/Random playbackChanging angles/Title selection DVD menu Changing soundtrack language/SubtitlesRepeat, random and program playback using file browser MP3/WMA/JPEG and Audio CD operationOperation CD Program playback Audio CD/MP3/WMA/JPEG Customizing the function settingsVCD Setting procedure Setting detailsTemporary cancel the rating level by DVD disc Understanding the Power Return featureTroubleshooting Language Name Code SpecificationsLanguage code list Reception disturbancesA1-1 Location of the required MarkingHOW to Order Parts Servicing Notices on CheckingA1-2 A1-3 S3126AA1-4 NEC ART 250, Part HHOW to Handle the LCD Panel CondensationA1-5 A1-6 When Replacing DVD DeckWhen removing the DVD Deck When installing the DVD DeckA1-7 Disc Removal Method AT no Power SupplyParental Control Rating Level DVD DeckRemote Control KEY Code A2-1 General SpecificationsA2-2 PowerControl A2-3A2-4 FeaturesDVD A2-5A2-6 Interface A2-7Carton A2-8Disassembly Instructions B1-2 DVD Deck Refer to FigB2-1 Switch PCB ASSY/GEAR MIDDLE/GEAR FEED/RACKTraverse Assy Refer to -1-A Feed ASSY/FEED Motor Refer to -2-AFFC Wire Handling Pin FFCB2-2 Removal Refer to FigB3-1 B3-2 InstallationSet Set Key Remocon Standard Operations Condition Time Service Mode ListAfter the write, set to the initializing of shipping Servicing Fixtures and ToolsRE-WRITE for DVD Firmware Ref. No Parts Name RemarksAfter the data input, set to the initializing of shipping When Replacing Eeprom Memory ICElectrical Adjustments On-Screen Display AdjustmentWhite Balance Contrast MAX Bright CentContrast Contrast CenterElectrical Adjustments Remocon PCB Power PCBLCD Panel DVD MT PCB DVD Deck Operation PCBTroubleshooting Guide Troubleshooting Guide Picture does not Appear Color does not Appear DVD Section Disc does not Eject Does not Play DVD Does not Play CD Troubleshooting Guide DVD Block Diagram Power Block Diagram Powerdigital PCB Block Diagram Signal Block Diagram Printed Circuit Boards DVD MT TOP Side CEH420A Printed Circuit Boards Digital TOP SideDigital Bottom Side CEH420ACEH421A Printed Circuit BoardsC7032 D7020 C8107R8105 C8109 R8108CON+5VD MPEG/MICON/DSP/RFAMP Schematic Diagram DVD MT PCBDVD MT PCB Memory Schematic DiagramDSM206SD Motor Drive Schematic DiagramAUDIO/VIDEO Schematic Diagram Digital PCB Micon Schematic DiagramEEP ROM Scaler VIDEO/AUDIO Schematic DiagramAgcif 1OUTIF Tuner Schematic DiagramHdmi Schematic Diagram VSS10LVDS Lvds Schematic DiagramScaler Power Schematic Diagram Flash Schematic Diagram DDR Schematic Diagram Spdif Spdifout Jack Schematic DiagramAV Switch Schematic Diagram Regulator Schematic Diagram Power Schematic Diagram High Voltage Backlight Inverter Schematic DiagramSound AMP Schematic Diagram Operation PCB Jack OUT Schematic DiagramSW Schematic Diagram CN2 Interconnection DiagramWaveforms AUDIO/VIDEO J1-1 Mechanical Exploded ViewJ1-3 Mechanical Exploded View Packing DiagramJ2-1 DVD Deck Exploded ViewMechanical Replacement Parts List Location No TSB P/NReference No Description Electrical Replacement Parts List ICS Jacks K3-4 Toshiba Corporation