Toshiba 15LV505 service manual Troubleshooting Guide

Page 52

TROUBLESHOOTING GUIDE

THE PICTURE APPEARS, BUT THE AUDIO DOES NOT APPEARS. (AT RF MODE)

 

 

Is CD301 connected?

 

No

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

Is there signal at pins

 

 

 

1 and 4 of CD301?

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

Is there signal at pins

 

 

 

2 and 4 of IC301?

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there signal at pins

 

Yes

 

 

AA3 and AA4 of IC2801?

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

Is there signal at pins 1

 

 

 

and 2 of IC6551?

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

Is there signal at pin 6

 

 

 

 

 

 

 

of IC6552, IC6553?

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

Is there signal at pin

 

 

 

5 of TU5801?

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Change TU5801.

 

 

 

 

 

 

 

 

Connect CD301.

Change SP301 and SP302.

Check IC301 and peripheral circuit.

Check Connection of CP4301.

Check IC6551 and

peripheral circuit.

Check IC6552, IC6553 and peripheral circuit.

Check IC5801 and peripheral circuit.

E-2

Page 51 Page 53
Image 52
Page 51 Page 53
Contents 15LV505 Green Product Procurement Table of Contents FCC Declaration of Conformity Compliance Statement Part Owner·s RecordLocation of the required Marking Precautions Contents Identification of controlsRemote control Antenna connectionsCable TV connections Inserting batteriesConnecting to optional equipment Connecting to optional equipment Power sourceConnecting to an optional equipment with S-video output Connecting to an amplifier equipped with a DTS decoderSetting the language Auto SetupTo memorize channels TV operation Labeling channelsAdding Channel Clear AllSetting the V-Chip Labeling video inputsSetting the closed captions Adjusting the picture preference Picture settingsAdjusting the picture preference Picture settingsViewing the wide-screen picture formats Film Mode Viewing the wide-screen picture formats Film Mode/DNRSetting the Auto Shut Off Resetting your settings Using the aspect feature Adjusting the back lightingPlaying a disc Marking desired scenes Zooming/Locating desired sceneRepeat playback/A-B Repeat playback Program playback/Random playback Changing angles/Title selection DVD menuChanging soundtrack language/Subtitles Disc status/To turn off the PBCMP3/WMA/JPEG and Audio CD operation Repeat, random and program playback using file browserOperation Customizing the function settings VCD Setting procedureSetting details CD Program playback Audio CD/MP3/WMA/JPEGUnderstanding the Power Return feature Temporary cancel the rating level by DVD discTroubleshooting Specifications Language code listReception disturbances Language Name CodeLocation of the required Marking A1-1Servicing Notices on Checking HOW to Order PartsA1-2 S3126A A1-3NEC ART 250, Part H A1-4Condensation HOW to Handle the LCD PanelA1-5 When Replacing DVD Deck When removing the DVD DeckWhen installing the DVD Deck A1-6Disc Removal Method AT no Power Supply Parental Control Rating LevelDVD Deck 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 B1-2Switch PCB ASSY/GEAR MIDDLE/GEAR FEED/RACK Traverse Assy Refer to -1-AFeed ASSY/FEED Motor Refer to -2-A B2-1Pin FFC FFC Wire HandlingB2-2 Refer to Fig RemovalB3-1 Installation B3-2Service Mode List Set Set Key Remocon Standard Operations Condition TimeServicing Fixtures and Tools RE-WRITE for DVD FirmwareRef. No Parts Name Remarks After the write, set to the initializing of shippingWhen Replacing Eeprom Memory IC After the data input, set to the initializing of shippingOn-Screen Display Adjustment Electrical AdjustmentsWhite Balance Bright Cent Contrast MAXContrast Center ContrastElectrical Adjustments Power PCB LCD Panel DVD MT PCB DVD DeckOperation PCB 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 Printed Circuit Boards Digital TOP Side Digital Bottom SideCEH420A CEH420APrinted Circuit Boards CEH421AC8107 R8105C8109 R8108 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 TSB P/N Location NoReference No Description Electrical Replacement Parts List ICS Jacks K3-4 Toshiba Corporation
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