Mitsubishi Electric WL-82913 Скачать руководство пользователя страница 1 | Manualshive

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MITSUBISHI ELECTRIC

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

9351 Jeronimo Road, Irvine, CA 92618-1904

Copyright © 2004 Mitsubishi Digital Electronics America, Inc.

All Rights Reserved

™

D

own

to

1

2004

HIGH SPEED TROUBLESHOOTING

V23L CHASSIS

V23L Chassis

WL-82913

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Содержание WL-82913

Страница 1: ...SHI DIGITAL ELECTRONICS AMERICA INC 9351 Jeronimo Road Irvine CA 92618 1904 Copyright 2004 Mitsubishi Digital Electronics America Inc All Rights Reserved Downto1 2004 HIGH SPEED TROUBLESHOOTING V23L CHASSIS V23L Chassis WL 82913 ...

Страница 2: ...eed Troubleshooting CONTENTS INTRODUCTION 2 SAFETYPRECAUTIONS 3 V23L PWBPARTNUMBERS FUNCTIONSANDLOCATIONS 4 TROUBLESHOOTINGCHARTS V23LAudio 5 V23LVideo Color 6 V23LFrontPanelIndicators 7 V23L Shut Down Self Diagnostics 8 ...

Страница 3: ...ailure or difficulty may lie This second method is the focus of this publication and the DOWN to 1 discipline Color Pattern and Perception Observation is key to an overall evaluation strategy The details gathered from a precise observation can go a long way toward arriving at a repair solution in a timely and efficient manner With this understanding MDEA has brought the combined technical expertis...

Страница 4: ...ead of an ohm meter to the AC plug and touch the other lead to each exposed metal part i e antennas handle bracket metal cabinet screw heads metal overlay control shafts etc particularly any exposed metal part that has a return path to the chassis The resistance of the exposed metal parts having a return path to the chassis should be a minimum of 1Mega Ohm Any resistance below this value indicates...

Страница 5: ...ER PWB SIGNAL PWB TERMINAL PWB FORMATTER DM 930B913001 930B906001 930B905008 934C060008 930B908001 934C067004 Lamp Power Supply Standby Power Supply Control uPC A V Inputs PIP POP NetCommand Main Power Supply NTSC Tuning A V Selection Picture Format IEEE1394 3D Y C Scalar to 1080P Card Viewer NTSC Video OSD Menus Decoders Digital uPC Control ...

Страница 6: ...problem any or all NTSC sources Supply signal to different line inputs YES NO Supply signal to antenna input Have audio to speakers PWB Signal PWB Terminal NO YES Check Monitor Output Good audio Sub Power Power Signal Terminal Formatter PWB Power DM ...

Страница 7: ...minal Input Is any single Input good PWB Formatter YES PWB Terminal Is OSD good PWB Signal NO YES NO Sub Power Power Signal Terminal Formatter Is NTSC Good NO DM YES DM Make sure DM is seated on the PCB DTV TUNER Also check connectors between the PCB SIGNAL and PCB DTV TUNER Problem Corrected NO ...

Страница 8: ...Boot Sequence Make sure DM is properly seated on the PCB DTV TUNER Also check connectors between the PCB SIGNAL and PCB DTV TUNER Off Off Yellow Temperature High Allow to cool Clean Filter Check Ventilation Perform Self Diagnostics Off or Green Yellow Off Lamp Usage 3000 Hrs Normal Near Future Lamp Failure Warning Off Blinking Yellow Off Lamp Cover Open Perform Self Diagnostics Off Blinking Yellow...

Страница 9: ...ver Pause 34 Lamp abnormality Replace Lamp Pause 35 Fan failed Check Fans and Connections Pause 38 Excess Lamp Temperature Check Fan Sensor Connections Pause 39 Excess LCOS Temperature Check Fan Sensor Connections Pause 41 Short Detected Check Power Supply Pause 42 Excess PCS Temperature Check Fan Sensor Connections Pause 43 Driver Temperature or Voltage abnormal Check Fan Sensor Connections SELF ...

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