Mitsubishi WD-52525 Manuale di Servizio

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MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2005 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
2004
Down to1
HIGH SPEED TROUBLESHOOTING
V26 CHASSIS
V26 V26+ V26++
WD-52525 WD-52725 WD-52825
WD-62525 WD-62725 WD-62825
Second Edition
Includes PWB Level Troubleshooting
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1 2 3 4 5 6 ... 19 20

Sommario

Pagina 1 - Down to1

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.9351 Jeronimo Road, Irvine, CA 92618-1904Copyright © 2005 Mitsubishi Digital Electronics America, Inc.

Pagina 2

Page 10MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Removing the Optical Engine1) Remove the Cover-Back and Rear Metal Cover

Pagina 3 - TABLE of CONTENTS

MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Page 11Removing the following parts from the Optical Engine• DMD Heat Sensor• T

Pagina 4 - SAFETY PRECAUTIONS

Page 12MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Figure 3: Black Support BracketFront ViewBlack Bracket(C)Installing the

Pagina 5 - Reusable Wire Ties

Page 13MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Hard Disk Drive (HDD) Replacement (V26++ Models)Perform this procedure i

Pagina 6 - WD-52825 /WD-62825

Page 14MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Troubleshooting the V26 ChassisThe V26 Chassis uses Digital Light Proces

Pagina 7 - CABINET BACK REMOVAL

Page 15MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825I. Front Panel LED Designations (Abnormal Conditions)II. Error Code Op

Pagina 8 - Chassis Removal

Page 16MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Note: To operate the set with the back cover removed, the Filter Cover m

Pagina 9 - 4 Screws

Page 17MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Use the chart and diagram below to check for abnormal voltages.If all vo

Pagina 10 - Removing the Optical Engine

Page 18MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825V. PWB Level TroubleshootingUse the Symptom/Cause information below to

Pagina 11 - Bottom Plate

Page 19MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825V26 Chassis - Parts Quick ReferencePart Name Description WD-52525 WD-625

Pagina 14

Safety Precautions ... 4Cabinet

Pagina 15 - ERROR CODES

Page 4MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825PRODUCT SAFETY NOTICEMany electrical and mechanical parts in television r

Pagina 16

MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Page 5CABINET DISASSEMBLY (FRONT VIEW)WD-52525 / WD-62525 / WD-52725 / WD-62725

Pagina 17

Page 6MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825CABINET DISASSEMBLY (FRONT VIEW)WD-52825 /WD-62825*Refer to the Parts Lis

Pagina 18 - V. PWB Level Troubleshooting

MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Page 7COVER-BACK Removal1) Remove 9 screws (a)2) Remove 5 screws (b)3) Remove 2

Pagina 19 - PWB-POWER

Page 8MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Chassis Removal1) Remove the 4 black screws (a) securing the chassis sho

Pagina 20

MODELS: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825Page 9Accessing & Disconnecting The Lamp BallastRemoving the Right SupportR

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