Troubleshooting Guide | Toshiba 15LV505 instruction

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

Toshiba 15LV505 service manual Troubleshooting Guide

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 Contents Inserting batteries Remote controlAntenna connections Cable TV connections Connecting 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 output Auto Setup Setting the languageTo memorize channels Clear All TV operationLabeling channels Adding Channel Labeling video inputs Setting the V-Chip Picture settings Setting the closed captionsAdjusting the picture preference Picture settings Adjusting the picture preference Viewing the wide-screen picture formats Film Mode/DNR Viewing the wide-screen picture formats Film Mode Using 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/Subtitles Repeat, 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 details Temporary cancel the rating level by DVD disc Understanding the Power Return featureTroubleshooting Language Name Code SpecificationsLanguage code list Reception disturbances A1-1 Location of the required Marking HOW to Order Parts Servicing Notices on CheckingA1-2 A1-3 S3126A A1-4 NEC ART 250, Part H HOW to Handle the LCD Panel CondensationA1-5 A1-6 When Replacing DVD DeckWhen removing the DVD Deck When installing the DVD Deck A1-7 Disc Removal Method AT no Power SupplyParental Control Rating Level DVD Deck Remote Control KEY Code A2-1 General Specifications A2-2 Power Control A2-3 A2-4 Features DVD A2-5 A2-6 Interface A2-7 Carton A2-8 Disassembly Instructions B1-2 DVD Deck Refer to Fig B2-1 Switch PCB ASSY/GEAR MIDDLE/GEAR FEED/RACKTraverse Assy Refer to -1-A Feed ASSY/FEED Motor Refer to -2-A FFC Wire Handling Pin FFCB2-2 Removal Refer to FigB3-1 B3-2 Installation Set Set Key Remocon Standard Operations Condition Time Service Mode List After the write, set to the initializing of shipping Servicing Fixtures and ToolsRE-WRITE for DVD Firmware Ref. No Parts Name Remarks After the data input, set to the initializing of shipping When Replacing Eeprom Memory IC Electrical Adjustments On-Screen Display AdjustmentWhite Balance Contrast MAX Bright Cent Contrast Contrast Center Electrical Adjustments Remocon PCB Power PCBLCD Panel DVD MT PCB DVD Deck Operation PCB Troubleshooting 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 CEH420A CEH421A Printed Circuit Boards C7032 D7020 C8107R8105 C8109 R8108 CON+5VD MPEG/MICON/DSP/RFAMP Schematic Diagram DVD MT PCB DVD MT PCB Memory Schematic Diagram DSM206SD Motor Drive Schematic Diagram AUDIO/VIDEO Schematic Diagram Digital PCB Micon Schematic Diagram EEP ROM Scaler VIDEO/AUDIO Schematic Diagram Agcif 1OUTIF Tuner Schematic Diagram Hdmi Schematic Diagram VSS10LVDS Lvds Schematic Diagram Scaler Power Schematic Diagram Flash Schematic Diagram DDR Schematic Diagram Spdif Spdifout Jack Schematic Diagram AV Switch Schematic Diagram Regulator Schematic Diagram Power Schematic Diagram High Voltage Backlight Inverter Schematic Diagram Sound AMP Schematic Diagram Operation PCB Jack OUT Schematic Diagram SW Schematic Diagram CN2 Interconnection Diagram Waveforms AUDIO/VIDEO J1-1 Mechanical Exploded View J1-3 Mechanical Exploded View Packing Diagram J2-1 DVD Deck Exploded View Mechanical Replacement Parts List Location No TSB P/NReference No Description Electrical Replacement Parts List ICS Jacks K3-4 Toshiba Corporation