Mitsubishi Electric WD-52627 Service Manual

Mitsubishi Electric WD-52627 Service Manual

Dlp projection hdtv v29 / v30 / v30+ / v31 chassis
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MITSUBISHI ELECTRIC
WD-52327
WD-52527
WD-62827
CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
• Power Input
• Power Usage
• Light Engine
• Light Source
• Channel Range
• Antenna Input
• Tuning (V29,V30)
• Tuning (V30+, V31)
• Cabinet Dimensions
• Weight
• Speakers (8 Ohms 10W)
• Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
Pb Solder
SPECIFICATIONS
: AC 120V, 60Hz
: See table on page 5
TM
: DLP
(1920 x 1080 pixels)
: 120W [V29,V30(52"&62")]
: 150W [V30(73"),V30+,V31]
: Air VHF - 2~13, UHF - 14~69
Analog Cable - 1~25
Digital Cable - 1~35
: 2 RF 75Ω unbalanced
: 1 NTSC/ATSC/QAM
1 Out of Band for CableCARD
1 NTSC for PIP
: 2 NTSC/ATSC/QAM
1 Out of Band for CableCARD
2 NTSC for PIP
: See Table on page 5
: See table on page 5
: Two 1.5" Round
Two 5.5"x2.2" Oval
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2005 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
Ser
Ser
Ser vice
Ser
Ser
Manual
Manual
Manual
Manual
Manual
DLP PROJECTION HDTV
V29 / V30 / V30+ / V31 CHASSIS
V29 Chassis
WD-52627
WD-62627
V30+ Chassis
WD-62827
WD-73827
• Input Level
: VIDEO IN JACK (RCA Type)
:
TM
• Output Level
TM
• Digital
Pb Solder
vice
vice
vice
vice
V30 Chassis
WD-52628
WD-62628
WD-73727
V31 Chassis
WD-62927
WD-73927
1.0Vp-p 75Ω unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43kΩ unbalanced
S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75Ω unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y: 1.0 Vp-p Cr, Cb: 700mVp-p
: VIDEO OUT JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kΩ unbalanced
: IEEE-1394 I/O Jacks
: Digital Audio Output
(RCA Type)
: HDMI
TM
:
TM
MonitorLink
RS-232 Control
: Memory Card Reader
: Lead-Free solder PWBs
2005
2005
2005
2005
2005

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Table of Contents
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Summary of Contents for Mitsubishi Electric WD-52627

  • Page 1 Ser vice vice vice 2005 2005 2005 2005 2005 Manual Manual Manual Manual Manual MITSUBISHI ELECTRIC DLP PROJECTION HDTV V29 / V30 / V30+ / V31 CHASSIS V30 Chassis V29 Chassis WD-52628 WD-52627 WD-62628 WD-52327 WD-62627 WD-52527 WD-73727 V30+ Chassis...
  • Page 3: Table Of Contents

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 CONTENTS INTRODUCTION ..........................5 Model Dimensions and Weight Specifiations ................... 5 PRODUCT SAFETY NOTICE ......................5 SAFETY PRECAUTIONS ......................... 6 DISASSEMBLY ..........................7 Front Disassembly (WD-52627 / WD-52628 / WD-62627 / WD-62628..........
  • Page 4 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SERVICE PARTS LIST ........................56 SCREEN ASSEMBLY PARTS LIST ....................67 WD-52627 / WD-52628 / WD-62627 / WD-62628 ................67 WD-62827 / WD-62927 ......................... 68 WD-73727 / WD-73827 / WD-73927 .....................
  • Page 5: Introduction

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 INTRODUCTION This service manual provides service instructions for DLP Projection TV Models and Chassis: Dimensions/Weight POWER MODEL CHASSIS HEIGHT WIDTH DEPTH WEIGHT...
  • Page 6: Safety Precautions

    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 the receiver chassis. WARNING: Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the receiver's power supplies.
  • Page 7: Front Disassembly

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 CABINET FRONT DISASSEMBLY (WD-52627 / WD-52628 / WD-62627 / WD-62628) SPEAKER GRILLE & BEZEL Removal 1) Pull the SPEAKER-GRILLE away from the cabinet to remove.
  • Page 8 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62827 Front Disassembly FRONT PANEL CAPS Removal 1) Slide the FRONT PANEL CAPS towards the sides of the unit. 2) Pull the FRONT PANEL CAPS from the unit.
  • Page 9 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62827 Front Disassembly (continued) SIDE-TRIM Removal Remove screws (a) and (b) on each side of the unit. Pull off the SIDE-TRIM on each side.
  • Page 10 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62827 Front Disassembly (continued) SCREEN ASSY Removal 1) Remove screws (e) from the top and sides of the upper rear cover. 2) Remove screws (d) from the bottom of the SCREEN ASSY.
  • Page 11 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 Front Disassembly FRONT ESCUTCHEONS, CARD READER/CONTROL Assy and PEDESTAL COVER Removal 1) Remove 6 outer screws “A” at the rear sides of the cabinet. (Do not remove inner screws).
  • Page 12 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 Front Disassembly (continued) TOP, BOTTOM and SIDES TRIM Removal 1) Remove screws (b) to remove the Top Trim. 2) Remove screws (c) to remove the Bottom Trim.
  • Page 13 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 Front Disassembly (continued) FRONT BEZEL Removal 1) Remove screws (e) from the FRONT-BEZEL. 2) Pull the FRONT-BEZEL from the cabinet. Page 13...
  • Page 14 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 Front Disassembly (continued) SCREEN ASSEMBLY Removal 1) Remove screws (f) from the upper rear cover (3 at each side and 4 acrross the ).
  • Page 15 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73727 / WD-73827 Front Disassembly CARD READER REMOVAL 1) Pull the two PANEL-FRONTs from the cabinet. 2) Remove screws ((a) from the Card Reader.
  • Page 16 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73727 / WD-73827 Front Disassembly (continued) GRILLE-SIDE REMOVAL 1) Remove screw (b) in the GRILLE-SIDE LEFT and GRILL-SIDE RIGHT 2) Pull the two GRILLE-SIDEs from the unit.
  • Page 17 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73927 Front Disassembly CARD READER REMOVAL 1) From the rear of the TV, remove 2 screws “B”, and 6 outer screws “A” from each side of the TV.
  • Page 18 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73927 Front Disassembly (continued) SCREEN-ASSY Removal 1) Remove screws (f) along the top and sides of the upper rear cover. (4 across the top and 3 on each side).
  • Page 19: Rear Disassembly

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Cabinet Rear Disassembly BACK-COVER Removal 1) Remove screws (a) and (b) from the the BACK-COVER. 2) Pull the BACK-COVER from the set.
  • Page 20: Chassis Disassembly & Accessing Pwbs

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Chassis Disassembly / Accessing PWBs Note: Although not individually indicated, unplug the required connectors in each disassembly step. Chassis Sequence of Disassembly...
  • Page 21 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Chassis Removal from the cabinet After removing the Rear Cover: 1) Remove screw (a), (b) and (c) to remove the back terminal board cover. (Figure A) 2) Remove screw (d) to remove the support bracket on each side of the chassis.
  • Page 22 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Chassis Cover Removal (Figure 1) 1) Remove the 3 screws (a). 2) Lift the Cover from the chassis. Figure 1: Chassis Cover Removal...
  • Page 23 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 PWB-POWER Removal (Figure 3) 1) Remove four screws (d). 2) Disconnect all connectors to PWB-POWER. 3) Lift PWB-POWER from the chassis. Chassis Upper Shield Removal (Figure 3) 1) Remove seven screws (e).
  • Page 24 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 PWB-MICRO Removal Referring to Figures 4 & 5 . 1) Remove the 2 HDMI socket screws (f). 2) Remove 3 mounting screws (g) from PWB-MICRO.
  • Page 25 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 PWB-DM Removal Chassis Rear Shield Removal (Figure 7) 1) Remove 7 screw ( j ) 2) Remove 2 nuts ( j1 ) 3) Pull off Chassis Rear Shield.
  • Page 26 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 OPERATING CHASSIS OUTSIDE OF CABINET 1) Remove screws from back terminal board. 2) Remove support bracket screws D = (4), and Screws A = (7), B = (2), C = (2)
  • Page 27 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 7) Pictured below is proper wire routing, please 8) Disconnect connector PL and remove screw verify during re-assembly H = (1) 9) Remove connectors PC, PA1, PB, PD and 10) Remove cover shield for Power PWB.
  • Page 28 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 13) Pull Terminal PWB from chassis assembly 14) Setup power section next to remaining and remove fan connector JD from Micro PWB chassis section as pictured below.
  • Page 29 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 52” & 62” Models OPTICAL ENGINE REPLACEMENT Pull engine from base and remove all the listed parts on this page and transfer them to new engine.
  • Page 30: 52" & 62" Models Optical Engine Replacement

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 52” & 62” Models OPTICAL ENGINE REPLACEMENT (Details) 1) Remove screws (3) 2) Remove mounting screw 3) Disconnect JA, JF, LT connectors...
  • Page 31 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 52” & 62” OPTICAL ENGINE REPLACEMENT (Details) 7) Remove (3) screws from Interface PWB 8) Remove CJ3 connector from Inter- face PWB...
  • Page 32 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 52” & 62” OPTICAL ENGINE REPLACEMENT (Details) 14) Remove (2) screws from Lamp 13) Remove (3) screws from Lamp Duct Cartridge - and remove Lamp Cartridge 16) Remove Bottom Plate from Engine Plate.
  • Page 33 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 52” & 62” Models OPTICAL ENGINE REPLACEMENT (Details) 17) Be sure not to misplace spring 18) Remove (1) screw from plate (A), (4) screws from fan (B), (2)
  • Page 34 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 73 “ Model’s OPTICAL ENGINE REPLACEMENT Pull engine assembly from the cabinet, and remove the Optical Engine from the base. Remove all the listed parts on this page and transfer them to new engine. Then transfer EEPROM data and realign the mechanical adjustments.
  • Page 35: 73" Models Optical Engine Replacement

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 73” Models OPTICAL ENGINE REPLACEMENT (Details) Engine Assembly removal from the cabinet. After removing the Back Cover: 1) Remove 4 screws (a) to remove the Vertical Support and DM Fan Cover.
  • Page 36 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 73” Models OPTICAL ENGINE REPLACEMENT (Details) Engine removal from the Base Plate Assembly. 1) Remove 2 screws (e) and 2 screws (f) to remove the Joining Bracket.
  • Page 37 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 73” Models OPTICAL ENGINE REPLACEMENT (Details) Engine removal from the Base Plate Assembly (continued) 4) Carefully lift the Engine from the Base Plate.
  • Page 38: Diamond Shield Tm

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 DIAMOND SHIELD REPLACEMENT (WD-62927 / WD-73927 Only) To Remove the Diamond Shield: 1) While wearing soft cotton gloves, loosen the sides of the Diamond Shield...
  • Page 39: Servicing The Lenticular Lens And Fresnel Screen

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun.
  • Page 40 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Installation Note: Store the Lenticular Screen and Fresnel Lens in a cool dry place. High humidity may deform the Lenticular Screen and Fresnel Lens.
  • Page 41: Option Menu & Defaults

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 OPTION MENU 1. Press the “MENU” button on the remote hand unit. 2. Press the buttons “2”, “4”, “7” and “0” in order.
  • Page 42: Led Indicator Diagnostics

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 A/V RESET DEFAULT SETTINGS (By Input) INPUTS Component 1394 when HDMI 1/2 HDMI-2 (PC) A/V Memory Ant 1/2 Card 1~4 1/2/3 1/2/DTV...
  • Page 43: Error Codes Operational Check

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Abnormal LED Indications POWER STATUS LAMP Power Condition Status Excess Heat. Check Lamp Filter Yellow Power 120w usage time over 7000 Hrs.
  • Page 44: Air Filter Cleaning

    SERVICE MANUAL SUPPLEMENT MODELS WD-62827 / WD-62927 AIR FILTER CLEANING If the TV shuts off after displaying the message “ TV will shut down in a few seconds. Please check if the air flow and/or the Status LED is yellow, the Air Filter may need cleaning. The Air Filter is part of the is blocked.”...
  • Page 45: Remote Operational Mode

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Remote Control Operational Modes There are two Remote Hand Unit Operational Modes, “Standard” and “NetCommand ”. The Remote is initially in the “Standard” mode. The “NetCommand ”...
  • Page 46: Service Adjustment Mode

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 3. Adjustment Selection Use the “VIDEO” button to select a specific electrical ajustment, “1 HPOS” or “2 VPOS”. 4. Adjusting Data After selecting an adjustment item, use the “UP” and “DN” buttons to change adjustment data.
  • Page 47: Optical Engine Adjustment

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Optical Engine Adjustments Test Signal Activation 1) Press “MENU-2-4-5-7” (Service Mode) 2) Press “REW” (Test Pattern). Red = 4% overscan White = 5% overscan...
  • Page 48: Accessing Mechanical Adjustments

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 ACCESSING MECHANICAL ADJUSTMENTS WD-52627 / 62627 / 52628 / 62628 1) Pull Speaker Grille out. 2) Remove (2) screws (A) and pull Card Reader to access adjustment.
  • Page 49 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 1) Pull Pedestal Cover out. Adjustment is now accessable. Adjustment Access Pedestal Cover WD-73727 / 73827 1) Pull the Panel Caps from the unit to remove them.
  • Page 50: Locking Screws & Wedge Removal

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73927 1) Remove (16) screws (A). 8 on each side. (Remove only the outside screws. Do not remove inside screws, they are for the Screen Frame) 2) Pull Front Panel Escushions from unit.
  • Page 51 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Locking Screws (continued) • In 73” models, loosen the 4 screws [C] in the Joining Bracket. (Figure 3) • Remove the rubber wedge shown in...
  • Page 52: Rotation Adjustmentt

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Rotation Adjustment Adjust [A-2] to remove any picture rotation Horizontal Keystone Adjustment Adjust [A-3] to remove horizontal keystone distortion. NOTE: Vertical Positioning may shift Vertical Keystone Adjustment Adjust [A-1- To remove vertical keystone distortion.
  • Page 53: Using Lead Free Solder

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Using Lead Free Solder Pb Solder • The flux is more corrosive. • The time required for a good solder connection may take longer.
  • Page 54: Chip Parts Replacement

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 CHIP PARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), Chip Parts Removal (Transistors) ceramic capacitors, transistors and diodes are chip parts.
  • Page 55: Replacement Parts

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 REPLACEMENT PARTS Parts Ordering To expedite delivery of replacement parts orders, specify the following: Model Number/Serial Number Part Number and description Quantity Note: Unless complete information is supplied, delay in processing of orders will result.
  • Page 56 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 QUICK REFERENCE FOR COMMON PARTS MAJOR PWB ASSEMBLIES PWBs PART NO. MODELS ASSY-PWB-POWER2 934C159001 WD-52627 / 52628 / 62627 / 62628 / 73727...
  • Page 57 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 58 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 59 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 60 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 61 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 62 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 63 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 64 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 65 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 66 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 67 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 68: Screen Assembly Parts List

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 69 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 70 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name &...
  • Page 71 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 70...
  • Page 72 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 71...
  • Page 73: Lamp Ballast Dc Supply

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Lamp Ballast DC Supply Fans Power Supply Page 72...
  • Page 74: Hdd Power Supply ((V30+ & V31 Only)

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Light Engine Power Supply HDD Power Supply & Fan Control (V30+ and V31 Only) Page 73...
  • Page 75: Analog Video Signal Path

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Analog Video Signal Path Page 74...
  • Page 76 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 75...
  • Page 77 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 76...
  • Page 78 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 77...
  • Page 79: Command Input Circuitry

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Command Input Circuitry Serial Control Lines Page 78...
  • Page 80 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 79...
  • Page 81: Tv Guide On Screen

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Lamp, Engine & Fan Protect Circuitry TV Guide On® Screen Block Diagram Page 80...
  • Page 82 TEMP LAMP-FAN 3.3V 3.3V 2.5V 2.5V 2.5V 2.5V 2.5V LAMP 2.5V LENS 2.5V WD-52627 V29 2.5V CONTENTS JPS1 WD-62627 V29 PG 1..BLOCK PG 15..DM4 [DMMEMA/DC] TMDS PG 2..POWER PG 16..DM5 [DMMEMB/USB] WD-52628 V30 PG 3..INTERFACE PG 17..DM6 [DMROM/AV] PG 4..FMT1 [SUITE / DVI] WD-62628 V30 PG 18..DM7 [1394/DV I/F]...
  • Page 83: Main Power Supply

    (ALL V30+ AND V31) 1/2W RV9D01 C9A98, C9A99, L9A51, L9A52, C9E20 Q9E20, C9E21, C9E22, R9E20, R9E21, RV9D00 MODELS CHASSIS R9E22, R9E23, L9E20, IC9A25, PH WD-52627 V29 CONTENTS WD-62927, WD-73927 AG9D00 F9D00 DSS-302M WD-62627 V29 PG 1..BLOCK S10A 125V PG 15..DM4 [DMMEMA/DC] PG 2..POWER...
  • Page 84 FAN-VCC-BALLAST 1/16W V28 ONLY 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 TO SENSORS & FANS TO BALLAST WD-52627 V29 CONTENTS TO/FROM RISER TO CONTROL TO PREAMP WD-62627 V29 PG 1..BLOCK PG 15..DM4 [DMMEMA/DC] PG 2..POWER...
  • Page 85 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 5VSDA 5VSCL CONTENTS WD-52627 V29 WD-62627 V29 PG 1..BLOCK PG 15..DM4 [DMMEMA/DC] PG 2..POWER PG 16..DM5 [DMMEMB/USB] WD-52628 V30 PG 3..INTERFACE...
  • Page 86 C7K01 R9F09 R9F10 R9F12 5.6K 2.2K 1/16W 1/16W 1/16W 3.3V 3.3V WD-52627 V29 CONTENTS WD-62627 V29 PG 1..BLOCK PG 15..DM4 [DMMEMA/DC] PG 2..POWER PG 16..DM5 [DMMEMB/USB] WD-52628 V30 PG 3..INTERFACE PG 17..DM6 [DMROM/AV] PG 4..FMT1 [SUITE / DVI] PG 18..DM7 [1394/DV I/F] WD-62628 V30 PG 5..FMT2 [MICRO]...

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