Mitsubishi Electric V31 CHASSIS - Manual

Mitsubishi Electric V31 CHASSIS

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Table of Contents:

  • Page 3 – DIAMOND SHIELD; CONTENTS
  • Page 5 – PRODUCT SAFETY NOTICE; HD; INTRODUCTION
  • Page 6 – SAFETY PRECAUTIONS; Leakage current check; . Any resistance below this value indicates an
  • Page 7 – SPEAKER GRILLE & BEZEL Removal; Pull the SPEAKER-GRILLE away from the cabinet to remove.; CABINET FRONT DISASSEMBLY; CARD READER Removal; Pull the Card Reader from the cabinet.
  • Page 8 – FRONT PANEL CAPS Removal; Pull the FRONT PANEL CAPS from the unit.; TOP TRIM and FRONT ESCUTCHEON Removal; Pull off the
  • Page 9 – BEZEL and Card Reader/Contol Assy. Removal
  • Page 10 – SCREEN ASSY Removal; Remove screws (e) from the top and sides of the upper rear cover.
  • Page 12 – TOP, BOTTOM and SIDES TRIM Removal; Remove screws (d) on both sides to remove the Side Trim
  • Page 13 – FRONT BEZEL Removal
  • Page 14 – SCREEN ASSEMBLY Removal; Lift the Screen Assembly slighly and pull away from the unit.
  • Page 15 – CARD READER REMOVAL; Pull the two PANEL-FRONTs from the cabinet.
  • Page 17 – Pull of the right and left GRILLE-SIDEs.
  • Page 18 – Lift the SCREEN-ASY slightly and pull it away from the TV.
  • Page 19 – Cabinet Rear Disassembly; Accessing the MIRROR from the rear (52 and 62 inch models ONLY); Pull the Rear Mirror Access panel from the unit.
  • Page 20 – Chassis Disassembly / Accessing PWBs; disassembly step; Chassis Sequence of Disassembly
  • Page 21 – Chassis Removal from the cabinet; After removing the Rear Cover:
  • Page 24 – gure 4: HDMI Socket Screws
  • Page 26 – OPERATING CHASSIS OUTSIDE OF CABINET; PS
  • Page 27 – DVI cable; Front
  • Page 28 – from Micro PWB; AC Cord; JD
  • Page 29 – OPTICAL ENGINE REPLACEMENT
  • Page 30 – JF
  • Page 33 – Mechanical Alignment:; Lens Cushion Base; Spring
  • Page 34 – DIAMOND SHIELD REPLACEMENT; WARNING; Sharp edges! Always wear gloves to
  • Page 35 – SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS; Wear gloves; when handling the Lenticular Screen and Fresnel Lens.; Do not place Fresnel Lens in the sun; This may cause fire and heat related injuries.; Lenticular Screen and Fresnel Lens Removal; Figure 1
  • Page 36 – Lenticular Screen and Fresnel Lens Installation; deform the Lenticular Screen and Fresnel Lens.
  • Page 37 – OPTION MENU; Initial Main Menu Defaults
  • Page 38 – LED Indicator Diagnostics; Normal LED Indications
  • Page 39 – Error Code Operational Check; The flashing then pauses for approximately 1/2 second.; Error Codes; Abnormal LED Indications
  • Page 40 – SERVICE ADJUSTMENTS; There are only 5 Service Adjustments required in these models:; Measuring equipment and Jigs; Point the Remote away from the TV.; Circuit Adjustment Mode; On these models, the Cirduit Adjustment Mode is used only for:
  • Page 41 – Adjustment Selection; Use the “VIDEO” button to select a specific elec; Terminating the circuit adjustment mode; The adjustment mode can be also terminated by turning the; Resetting Data to Factory Values; User UP & DN keys to highlight the desired choice, the Press “ENTER”; Data Transfer; Display
  • Page 42 – Prelminary; Optical Engine Adjustments; Test Signal Activation
  • Page 43 – Do Not force an adjust-; Locking Screws and Wedge Removal; Remove the rubber wedge shown in; WEDGE; Then the Optical Engine must be
  • Page 44 – See; ment; Figure 5: Adjustments; Electrical Adjustments; RUBBER; Figure 6: Wedge Insertion
  • Page 45 – Using Lead Free Solder; Pb Solder; Only Lead; Displays used to indicate Pb-free; Table 1; LFS
  • Page 46 – CHIP PARTS REPLACEMENT; Discard removed chips do not reuse them.; Replacement
  • Page 47 – REPLACEMENT PARTS
  • Page 48 – QUICK REFERENCE FOR COMMON PARTS; M a jo r P W B As s e m b lie s; M IS C E L LAN E O U S P AR T S
  • Page 49 – INTEGRATED CIRCUITS
  • Page 50 – TRANSISTORS; DIODES
  • Page 51 – COILS
  • Page 57 – SWITCHES
  • Page 59 – PRINTED CIRCUIT BOARDS
  • Page 60 – SCREEN ASSEMBLY PARTS
  • Page 62 – Figure 3
  • Page 63 – Main Power Supply
  • Page 66 – Analog Video Signal Path
  • Page 68 – HDD Record Signal Path
  • Page 69 – Sound Signal Path
  • Page 71 – Lamp Control Circuitry
  • Page 72 – TV Guide On® Screen Block Diagram
  • Page 74 – COLD
  • Page 75 – TO POWER
  • Page 76 – TO DM PWB
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• Design specifications are subject to change without notice.

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

9351 Jeronimo Road, Irvine, CA 92618-1904

Copyright © 2005 Mitsubishi Digital Electronics America, Inc.

All Rights Reserved

CAUTION:

Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and

"PRODUCT SAFETY NOTICE" contained in this manual.

Ser

Ser

Ser

Ser

Service

vice

vice

vice

vice

Manual

Manual

Manual

Manual

Manual

2 0 0 5

2 0 0 5

2 0 0 5

2 0 0 5

2 0 0 5

MITSUBISHI ELECTRIC

DLP PROJECTION HDTV

V29 / V30 / V30+ / V31 CHASSIS

SPECIFICATIONS

• Power Input

: AC 120V, 60Hz

•

Power Usage

: See table on page 5

• Light Engine

: DLP

TM

(1920 x 1080 pixels)

• Light Source

: 120W [V29,V30(52"&62")]

: 150W [V30(73"),V30+,V31]

• Channel Range

: Air VHF - 2~13, UHF - 14~69

Analog Cable - 1~25

Digital Cable - 1~35

•

Antenna Input

: 2 RF 75

Ω

unbalanced

• Tuning (V29,V30)

: 1 NTSC/ATSC/QAM

1 Out of Band for CableCARD

TM

1 NTSC for PIP

• Tuning (V30+, V31)

: 2 NTSC/ATSC/QAM

1 Out of Band for CableCARD

TM

2 NTSC for PIP

• Cabinet Dimensions

: See Table on page 5

• Weight

: See table on page 5

• Speakers (8 Ohms 10W)

: Two 1.5" Round

Two 5.5"x2.2" Oval

• Input Level

: VIDEO IN JACK (RCA Type)

1.0Vp-p 75

Ω

unbalanced

: AUDIO IN JACK (RCA Type)

-4.7dBm 43k

Ω

unbalanced

:

S-VIDEO IN JACK

(Y/C separate type)

Y:1.0 Vp-p C:0.286Vp-p(BURST)

75

Ω

unbalanced

: COMP / Y, Cr, Cb (RCA Type)

Y: 1.0 Vp-p Cr, Cb: 700mVp-p

• Output Level

: VIDEO OUT JACK (RCA Type)

1.0Vp-p 75

Ω

unbalanced

: AUDIO OUT JACK (RCA Type)

-4.7dBm 4.7k

Ω

unbalanced

• Digital

: IEEE-1394 I/O Jacks

: Digital Audio Output

(RCA Type)

: HDMI

TM

:

MonitorLink

TM

RS-232 Control

: Memory Card Reader

: Lead-Free solder PWBs

WD-52327

V29 Chassis

WD-52627
WD-62627

V30 Chassis

WD-52628
WD-62628
WD-73727

WD-52527

Pb Solder

Pb Solder

WD-62827

V30+ Chassis

WD-62827
WD-73827

V31 Chassis

WD-62927
WD-73927

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Summary

Page 3 - DIAMOND SHIELD; CONTENTS

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 3 INTRODUCTION ................................................................................................................................ 5 Model Dimensions and Weight Specifiations .............................

Page 5 - PRODUCT SAFETY NOTICE; HD; INTRODUCTION

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 5 This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet components.2. Servicing of the Lenticular Screen and Fresnel Lens.3. Servicing down to major components, chass...

Page 6 - SAFETY PRECAUTIONS; Leakage current check; . Any resistance below this value indicates an

Page 6 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on thereceiver chassis. WARNING: 1. Operation of this receiver outside the cabinet or with the cove...

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