Mitsubishi Electronics
WD-73927, WD-52628, WD-73727 Command Input Circuitry Serial Control Lines
Specs
Install
Schematic Diagrams
Test signal
LED Indicator Diagnostics
Button Reset
Optical Engine Replacement
Accessories
Cabinet Front Disassembly
Adjustment Procedures
Page 79
MODELS:
WD-52627 /
52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927
Command
Input Circuitry
Serial Control Lines
Page 78
Page 78
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Page 78
Page 80
Contents
Mitsubishi Digital Electronics AMERICA, INC
Specifications
V29 / V30 / V30+ / V31 Chassis
Page
Contents
Schematic Diagrams
Introduction
Product Safety Notice
Servicing use only recommended Lead-Free solder refer to
Leakage current check
Safety Precautions
SCREEN-ASSY Removal
Cabinet Front Disassembly
WD-52627 / WD-52628 / WD-62627 / WD-62628
Speaker Grille & Bezel Removal
Front Panel Caps Removal
WD-62827 Front Disassembly
Bezel Removal
SIDE-TRIM Removal
Screen Assy Removal
WD-62927 Front Disassembly
TOP, Bottom and Sides Trim Removal
Front Bezel Removal
Screen Assembly Removal
Card Reader Removal
WD-73727 / WD-73827 Front Disassembly
GRILLE-SIDE Removal
WD-73927 Front Disassembly
SCREEN-ASSY Removal
BACK-COVER Removal
Cabinet Rear Disassembly
Chassis Sequence of Disassembly
Chassis Disassembly / Accessing PWBs
Figure a
Chassis Removal from the cabinet
Assy PWB- Terminal Removal Figure
Chassis Cover Removal Figure
Chassis Upper Shield Removal Figure
PWB-POWER Removal Figure
PWB-FORMAT & PWB=RISER Removal Referring to Figures
PWB-MICRO Removal
PWB-DM Removal Figures
PWB-DM Removal Chassis Rear Shield Removal Figure
Operating Chassis Outside of Cabinet
CE1
PCPA1
Bolt Table
Optical Engine Replacement
Ltjc
52 & 62 Models Optical Engine Replacement Details
CJ3
52 & 62 Optical Engine Replacement Details
52 & 62 Optical Engine Replacement Details
Spring
ENGINE-PWR-PWB
Model’s Optical Engine Replacement
Lamp Cover Vertical
Models Optical Engine Replacement Details
Engine Assembly removal from the cabinet
Cd c
Unplug Ballast Leads
Engine removal from the Base Plate Assembly
Joining e Bracket
Rubber GWedge
Do not Lose
Engine Installation
After Replacing the Optical Engine
WD-62927 / WD-73927 Only
To Install the Diamond Shield
To Remove the Diamond Shield
Lenticular Screen and Fresnel Lens Removal
Servicing the Lenticular Screen and Fresnel Lens
Lenticular Screen and Fresnel Lens Installation
Option Menu
Inputs
LED Indicator Diagnostics
Abnormal LED Indications
Lamp Cartridge Air Filter
AIR Filter Cleaning
Circuit Adjustment Mode
Test signal
Measuring equipment and Jigs
Terminating the circuit adjustment mode
Resetting Data to Factory Values
Adjustment Selection
Adjusting Data
Prelminary
Required Tools
WD-62827A
WD-52627 / 62627 / 52628
Adjustment Access Pedestal Cover
52 & 62 Side Locking Screw
Locking Screws and Wedge Removal
Adjustment Locations
Adjustment Procedures
Locking Screws
After Adjustment
Rotation Adjustment
Horizontal Keystone Adjustment
Vertical Keystone Adjustment
Pb-Free Display
Displays used to indicate Pb-free
Chip Parts Removal Resistors, Capacitors, etc
Replacement
Chip Parts Removal Transistors
Parts Ordering
Critical and Warranty Parts Designation
Parts Tolerance Codes
Quick Reference for Common Parts
Integrated Circuits
Diodes
Transistors
Coils
COIL-CHIP 10MH-J
EMI-F-CHIP BLM11A601S
COIL-CHIP 33MH-J
COIL-CHIP 10MH-K
EMI-F-CHIP BLM11B050SA
COIL-RF 2.7MH-M
COIL-RF 22MH-K
COIL-RF 6.8MH-M
COIL-RF 10MH-K
CHIP-FILTER ACM2012D-9002P
Transformers
Resistors
EMI-F-CHIP NFL21SP506X13CD
THRM-CHIPNCP18XH103F03RB
Capacitors
METAL-P 3W 1K-J
TAPE-LENS
Switches
Miscellaneous
SW-LEVER
Button Reset
2RF-SWITCH
SWITCH-RF-TYPE
Plate RF-SWITCH
Cosmetic Parts
Accessories
598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer
491P178040 SCREEN-LENTICULAR
598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer
491P178030 SCREEN-LENTICULAR
WD-62927 Screen Parts Figure
WD-62827 Screen Parts Figure
598D683010 Screen Bracket
491P176050 SCREEN-LENTICULAR
WD-73727 Screen Parts Figure
WD-73827 Screen Parts Figure
WD- 73927 Screen Parts Figure
Page
Main Power Supply
Lamp Ballast DC Supply Fans Power Supply
Page
Analog Video Signal Path
Digital Video Signal Path
Signal Path V31 Only HDD Record V30+
Sound Signal Path
Command Input Circuitry Serial Control Lines
Lamp Control Circuitry
Page
Reader
Live
To Shutter Control
IC3J01
PWB-SWLAMP
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