Mitsubishi Electric WD-52525 Service Manual
Mitsubishi Electric WD-52525 Service Manual

Mitsubishi Electric WD-52525 Service Manual

Hide thumbs Also See for WD-52525:

Advertisement

Quick Links

MITSUBISHI ELECTRIC
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
: AC 120V, 60Hz
• Power Usage
: 275W
• Light Engine
: DLP 0.85" 1280 x 720p
• Lamp
: 120W VIP Type
• Channel Frequencies
: Air - VHF 2 ~ 13 UHF 14 ~ 69
• Antenna Input
: 2 RF 75Ω unbalanced
• Tuning
: 1 NTSC/ATSC/QAM64&256
• Cabinet Dimensions
: [WD-52xxx] 37.2" x 49.6" x 17.4"
• Weight
: [WD-52xxx] 132.4 lbs
• Speakers (10Wx2)
: 5" Coaxial x 2
• Input Level
: VIDEO IN JACK (RCA Type)
• Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
WD-52525

SPECIFICATIONS

Analog Cable - 1 ~ 125
Digital Cable - 1 ~ 135
1 CableCARD™ Slot
1 NTSC for PIP
[WD-62xxx] 43.7" x 58.3" x 19.9"
[WD-62xxx] 165.5 lbs
1.0Vp-p 75Ω unbalanced
AUDIO IN JACK (RCA Type)
500mV RMS full scale into 43kΩ,
unbalanced
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2004 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
Ser
Ser
vice
vice
Ser vice
vice
Ser
Ser
vice
Manual
Manual
Manual
Manual
Manual
DIGITAL LIGHT PROCESSING™ PROJECTION TV
V26 CHASSIS
MODELS
V26
V26+
WD-52525 WD-52725 WD-52825
WD-62525 WD-62725 WD-62825
: S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75Ω unbalanced, 480i
: COMP / Y, Pr, Pb (RCA Type )
Y: 1.0 Vp-p Pr, Pb: 700mVp-p, 480i,
480p, 720p, 1080i
: DTV / Y(G), Pr(R), Pb(B), H, V (RCA
Type) Y: 1.0 Vp-p Pr, Pb: 700mVp-p,
75Ω, H, V: 3.0Vp-p, 480i, 480p,
720p, 1080i
: VGA / R,G,B,V,H (15 pin D) 640x480,
800x600, 1024x768, 720x1280,
60Hz
• Output Level
: VIDEO OUT JACK (RCA Type)
1.0Vp-p 75Ω unbalanced
: AUDIO OUT JACK (RCA Type)
500mV RMS
full scale into 4.7kΩ, unbalanced
• Digital
: IEEE-1394 I/O Jacks
Interface
: AC-3 Digital Audio Output (RCA
Type)
: HDMI
:
MonitorLink
: 4 Memory Card Reader Inputs
2004
V26++
(+/-200mV)
1.5V RMS
TM
Control/RS-232C
TM

Advertisement

Table of Contents
loading

Summary of Contents for Mitsubishi Electric WD-52525

  • Page 1: Specifications

    DIGITAL LIGHT PROCESSING™ PROJECTION TV V26 CHASSIS MODELS V26+ V26++ WD-52525 WD-52725 WD-52825 WD-62525 WD-62725 WD-62825 WD-52525 CAUTION: Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and "PRODUCT SAFETY NOTICE" contained in this manual.
  • Page 3: Table Of Contents

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 CONTENTS INTRODUCTION ..........................5 PRODUCT SAFETY NOTICE ......................5 SAFETY PRECAUTIONS ......................... 6 DISASSEMBLY PROCEDURES ......................7 Cabinet Front Disassembly ......................7 Cabinet Rear Disassembly ......................9 ELECTRICAL CHASSIS REPLACEMENT ..................10 OPTICAL ENGINE REPLACEMENT ....................
  • Page 4: Model: Wd-52525 / Wd-52725 / Wd-52825 / Wd-62525 / Wd-62725 / Wd

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Page 4...
  • Page 5: Introduction

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 INTRODUCTION This service manual provides service instructions for PTV Models and Chassis: V26 Chassis V26+ Chassis V26++ Chassis WD-52525 WD-52725 WD-52825 WD-62525 WD-62725 WD-62825 This service manual includes: 1.
  • Page 6: Safety Precautions

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 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: Disassembly Procedures

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Reusable Wire Ties Lift Tab to Release Do not cut wire ties during disassembly, reusable wire ties are used in these models. Lift the tab to re- Wire Tie lease the wire tie.
  • Page 8 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 CABINET DISASSEMBLY (FRONT VIEW) WD-52825 /WD-62825 *Refer to the Parts List for Part Numbers Front Cabinet Disassembly 1. Remove the SPEAKER-GRILLES by pulling forward. 2. Remove screws (a) to remove the COVER-FRONT.
  • Page 9: Cabinet Rear Disassembly

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 CABINET DISASSEMBLY (REAR VIEW) FILTER-COVER Removal Remove 2 screws (d) to remove the Fil- ter Cover. COVER-BACK Removal 1) Remove 9 screws (a) 2) Remove 5 screws (b)
  • Page 10: Electrical Chassis Replacement

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 ELECTRICAL CHASSIS REPLACEMENT 1) Remove the 4 black screws (a) securing the chassis shown in the two diagrams below. 2) Unplug the USB and 1394 connectors from the Card Reader.
  • Page 11 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 NOTE: To remove the chassis, the two connectors to the Lamp Ballast must be disconnected at the Lamp Ballast. Accessing & Disconnecting The Lamp Ballast Removing the Right Support Remove the 3 screws shown below.
  • Page 12 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 V26 Chassis PWB Locations NOTE: The HDD is only in the V26++ models. Page 12...
  • Page 13: Optical Engine Replacement

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Optical Engine Replacement Optical Engine Mounting The Optical Engine is mounted on the Adjuster assembly as shown in the above diagram. 1) Four screws (a) secure the bottom plate and Optical Engine to the Adjuster assembly.
  • Page 14 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Removing the Optical Engine 1) Remove the Cabinet Back (refer to disassembly instructions). 2) Disconnect all connectors from the Optical Engine, Lamp Cartridge Housing and the PCB-DMD. 3) From the rear of the TV, remove the 4 screws (c), to remove the COVER-DUCT and DMD Fan cover.
  • Page 15 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Remove the following parts from the Optical Engine • DMD Thermal Sensor • The Optical Engine bottom plate and black bracket DMD Thermal Sensor Removal (Figure 1) 1) Remove screw (a) on the top of the DMD Fan.
  • Page 16: Data Copy Procedure

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Black Bracket Front View Figure 3: Black Support Bracket Installing the Optical Engine 1) Install the Bottom Plate, Black Support Bracket and the Heat Sensor, removed from the original Optical Engine, on the replacement Engine 2) Reverse the removal procedure to install the replacement Optical Engine in the cabinet.
  • Page 17: Diamond Shield Replacement

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 DIAMOND SHIELD REPLACEMENT To Remove the Diamond Shield: 1. While wearing soft cotton gloves, loosen the sides of the Diamond Shield by pressing a small plastic card (the size of a standard credit card or a clean, plastic, putty knife) into the middle of the side slot.
  • Page 18: Servicing The Lenticular Screen And Fresnel Lens

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 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 19 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 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 heat and humidity may deform the Lenticular Screen and Fresnel Lens.
  • Page 20: Initial Setup

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 INITIAL SETUP OPTION MENU <TV MENU> <2-4-7-0> OPTION MENU Initia lize 1. Press the “MENU” button on the remote hand Pow e r Re store : unit. DTV Port: AUTO 2.
  • Page 21 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 A/V RESET DEFAULT SETTINGS (By Input) INPUTS Com pone nt 1394 w he n A/V Me m ory Ant 1/2 HDMI Ca rd 1~4 1/2/3 1/2/DTV conne cte d Contrast Max.
  • Page 22: Front Panel Led Diagnostics

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 FRONT LED INDICATOR DIAGNOSTICS The front panel LEDs provide an indication of the sets operation, and the possible cause of a malfunction. There are three front panel LEDs, “Power”, “Status” and “Lamp”. Which LED is lit, the color, and whether it is blinking or steady indicate the current status, or a possible malfunction.
  • Page 23: Error Codes

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 3. Error Code Operational Check Note: The TV must be in “Shut Down” and not manually switched Off, to perform the Error Code Opera- tional Check. When the TV is switched Off, the code automatically resets to “12” No Error.
  • Page 24: Service Adjustments

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 SERVICE ADJUSTMENTS There are only 5 Service Adjustments required: Two Electrical Adjustments • Horizontal Centering • Vertical Centering Three Mechanical Adjustments • Picture Rotation • Horizontal Keystone Distortion •...
  • Page 25 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 3. Adjustment Function Selection Use the “AUDIO” button to select a specific Adjustment Function. AD9883A MMTX Functions light eng SMTX 4. Adjusting Data After selecting an adjustment item, use the UP and DOWN cursor buttons to change adjustment data.
  • Page 26: Adjustment Items And Initial Data Settings

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 SERVICE MODE - Adjustment Items and Initial Data Values AD9883A Data Item # Abbrev. Description Range ROFF Red Offset 0~127 BOFF Blue Offset 0~127 Ma in Ma trix (MMTX)
  • Page 27: Electrical Adjustments

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Electrical Adjustments [PICTURE POSITION] Purpose: To center picture on the screen. 1. Horizontal/Vertical Position Symptom: Picture is off center. NOTE: The TV should be placed on a flat level surface.
  • Page 28 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 /WD-62825 Page 28...
  • Page 29 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Keystone Adjustment NOTE: The TV should be placed on a flat level surface. Improper installation can affect raster geometry. Horizontal Keystone Distortion Vertical Keystone Distortion 1. From the front of the TV, loosen the two Keystone Locking Screws in the small mirror assembly. (10mm box wrench) 2.
  • Page 30: Replacement Parts

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 REPLACEMENT PARTS Critical Electrical Components are indicated by Bold Type in the Parts List. QUICK REFERENCE FOR COMMON REPLACEMENT PARTS Customer Replaceable Parts Part Name Description WD-52525 WD-62525...
  • Page 31 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 32 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 33: Screen Assembly Parts

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description D7L27 262P075010 DIODE - RSB6.8S...
  • Page 34 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 35 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 36 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description L8807 325C414090 COIL-CHIP - 0.68MH-J...
  • Page 37 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 38 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 39 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description CAPACITORS AND TRIMMERS R9D00 109D036020 R-COMP - 1/2W 4.7M-K...
  • Page 40 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 41 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 42 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description F8F03 283P128050 FUSE-CHIP - AC125/100V 4A X7J10 285P335050 QTZ-CRYST - 80.000MHZ...
  • Page 43 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 44 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 45 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 [#] Model Legend: [a] WD-52525, [b] WD-52725, [c] WD-52825, [d] WD-62525, [e] WD-62725, [f] WD-62825 Ref # Part # Part Name & Description Ref # Part # Part Name & Description...
  • Page 46 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 STANDBY POWER SUPPLIES SWITCHED POWER SUPPLIES Page 46...
  • Page 47 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Page 47...
  • Page 48 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 A/V VIDEO SELECT Page 48...
  • Page 49 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Page 49...
  • Page 50 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 A/V SOUND SELECT Page 50...
  • Page 51 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 PWB-SIGNAL SOUND SELECT SOUND OUTPUT CIRCUIT Page 51...
  • Page 52 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 SERIAL CONTROL LINES Page 52...
  • Page 53 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 RESET CIRCUITRY COMMAND INPUT CIRCUITRY Page 53...
  • Page 54 MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 STATUS MONITORING CIRCUITRY Page 54...

This manual is also suitable for:

Wd-52725Wd-62525Wd-62725Wd-62825Wd-52825

Table of Contents