Toshiba 15LV505 service manual Color does not Appear

Page 54

TROUBLESHOOTING GUIDE

THE COLOR DOES NOT

APPEAR

Is setting of color			No
Is setting of color
normal?
	Yes


			No
Is the color signal


received?
	Yes


			No
Is there color signal


at IC2801?
	Yes
	Yes

Change DIGITAL PCB.

Adjust the color.

Receive the color signal.

Check IC2801 and peripheral circuit.

E-4

Image 54

Contents 15LV505 Green Product Procurement Table of Contents Owner·s Record FCC Declaration of Conformity Compliance Statement PartLocation of the required Marking Precautions Contents Identification of controlsCable TV connections Remote controlAntenna connections Inserting batteriesConnecting to an optional equipment with S-video output Connecting to optional equipmentConnecting to optional equipment Power source Connecting to an ampliﬁer equipped with a DTS decoderAuto Setup Setting the languageTo memorize channels Adding Channel TV operationLabeling channels Clear AllSetting the V-Chip Labeling video inputsAdjusting the picture preference Setting the closed captionsAdjusting the picture preference Picture settings Picture settingsViewing the wide-screen picture formats Film Mode Viewing the wide-screen picture formats Film Mode/DNRUsing 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 Changing soundtrack language/Subtitles Program playback/Random playbackChanging angles/Title selection DVD menu Disc status/To turn off the PBCRepeat, random and program playback using file browser MP3/WMA/JPEG and Audio CD operationOperation Setting details Customizing the function settingsVCD Setting procedure CD Program playback Audio CD/MP3/WMA/JPEGTemporary cancel the rating level by DVD disc Understanding the Power Return featureTroubleshooting Reception disturbances SpecificationsLanguage code list Language Name CodeLocation of the required Marking A1-1HOW to Order Parts Servicing Notices on CheckingA1-2 S3126A A1-3NEC ART 250, Part H A1-4HOW to Handle the LCD Panel CondensationA1-5 When installing the DVD Deck When Replacing DVD DeckWhen removing the DVD Deck A1-6DVD Deck Disc Removal Method AT no Power SupplyParental Control Rating Level A1-7Remote Control KEY Code General Specifications A2-1Power A2-2A2-3 ControlFeatures A2-4A2-5 DVDA2-6 A2-7 InterfaceA2-8 CartonDisassembly Instructions DVD Deck Refer to Fig B1-2Feed ASSY/FEED Motor Refer to -2-A Switch PCB ASSY/GEAR MIDDLE/GEAR FEED/RACKTraverse Assy Refer to -1-A B2-1FFC Wire Handling Pin FFCB2-2 Removal Refer to FigB3-1 Installation B3-2Service Mode List Set Set Key Remocon Standard Operations Condition TimeRef. No Parts Name Remarks Servicing Fixtures and ToolsRE-WRITE for DVD Firmware After the write, set to the initializing of shippingWhen Replacing Eeprom Memory IC After the data input, set to the initializing of shippingElectrical Adjustments On-Screen Display AdjustmentWhite Balance Bright Cent Contrast MAXContrast Center ContrastElectrical Adjustments Operation PCB Power PCBLCD Panel DVD MT PCB DVD Deck Remocon 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 CEH420APrinted Circuit Boards CEH421AC8109 R8108 C8107R8105 C7032 D7020MPEG/MICON/DSP/RFAMP Schematic Diagram DVD MT PCB CON+5VDMemory Schematic Diagram DVD MT PCBMotor Drive Schematic Diagram DSM206SDAUDIO/VIDEO Schematic Diagram Micon Schematic Diagram Digital PCBScaler VIDEO/AUDIO Schematic Diagram EEP ROMTuner Schematic Diagram Agcif 1OUTIFHdmi Schematic Diagram Lvds Schematic Diagram VSS10LVDSScaler Power Schematic Diagram Flash Schematic Diagram DDR Schematic Diagram Jack Schematic Diagram Spdif SpdifoutAV Switch Schematic Diagram Regulator Schematic Diagram Power Schematic Diagram Backlight Inverter Schematic Diagram High VoltageSound AMP Schematic Diagram Jack OUT Schematic Diagram Operation PCBSW Schematic Diagram Interconnection Diagram CN2Waveforms AUDIO/VIDEO Mechanical Exploded View J1-1Mechanical Exploded View Packing Diagram J1-3DVD Deck Exploded View J2-1Mechanical Replacement Parts List Location No TSB P/NReference No Description Electrical Replacement Parts List ICS Jacks K3-4 Toshiba Corporation