Mitsubishi Electronics
WD-62528, WD-62527, WD-52528
specifications
Digital Video Signal Path
Troubleshooting
Characteristics
Install
Error codes
Test Signal Activation
AV Reset Defaults
Light Engine Replacement
Accessories
Screen Assembly Exploded View
Light Engine Removal Procedure
Page 55
MODELS:
WD-52527 /
WD-52528 /
WD-62527 /
WD-62528
Digital Video Signal Path
Page 55
Page 54
Page 56
Image 55
Page 54
Page 56
Contents
2005
Page
Contents
Model WD-52527 / WD-52528 / WD-62527 / WD-62528
Servicing use only recommended Lead-Free solder refer to
Characteristics
Safety Precautions
SCREEN-ASSY Removal
Speaker Grille Removal
Metal Support Plate Removal
BACK-COVER Removal
Chassis Mounting Screws Removal
Release Cable Clamps & Disconnect CE Connector
Clamp
AC Cord
On the right side of the chassis from the rear
Chassis removal from the Cabinet
J8F01FC
Complete Chassis Removal
Chassis Sequence of Disassembly
Assy PWB- Terminal Removal Figure
Chassis Cover Removal 1 Remove the 4 screws a
Chassis Upper Shield Removal Figure
PWB-POWER Removal Figure
PWB-MICRO Removal Referring to Figure
Chassis Rear Shield Removal Figure
PWB-DM Removal Figure
PWB-RISER and PWB-FORMAT Removal Referring to Figure
Light Engine and Associated Components
Light Engine Replacement
Light Engine Rear View
Light Engine Removal Procedure
Preliminary
Remove two screws c from Fan Plate and remove
Model WD-52527 / WD-52528 / WD-62527 / WD-62528
Installation
Lenticular Screen and Fresnel Lens Removal
Servicing the Lenticular Screen and Fresnel Lens
Bezel Removal Front View
Installing the Fresnel Lens & Lenticular Screen
Lenticular Screen and Fresnel Lens Installation
Option Menu
LED Indicator Diagnostics
AV Reset Defaults
Error Codes
Activating the Adjustment Mode
Remote Control Operational Modes
Two Electrical Adjustments
Two Mechanical Adjustment
Saving Data
Adjustment Selection
Adjusting Data
Terminating the circuit adjustment mode
Light Engine Adjustments
Counter Clockwise Rotation Needed
Trapezoid Distortion Adjustment
Rotation Adjustment
Clockwise Rotation Needed
Format Circuit Horizontal/Vertical Position Adjust- ment
Micro / Terminal PWB Troubleshooting
Power PWB Troubleshooting
LCD Engine Internal Layout
Lamp Protect Line
Pb-Free Display
Pb Solder
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
Ref # Part Name & Description
Integrated Circuits
Diodes
Transistors
Chip UDZS3.9B
Coils
CORE-FERRITE ZBF503D-01
L9D02
L9D00
L9D06
Capacitors
Transformers
Variable Resistors
Resistors
C9A14
C9A10
CER AC250V E2200P-M
C9A13
Miscellaneous
Switches
Printed Circuit Boards
Accessories
Cosmetic Parts
WD-52528
Screen Parts
Ref # Part Name & Description WD-525427
WD-62527
Screen Assembly Exploded View
Models WD-52527 / WD-52528 / WD-62527 / WD-62528
Lamp Ballast DC Supply Fans Power Supply
Analog Video Signal Path
Digital Video Signal Path
Sound Signal Path
Command Input Circuitry Serial Control Lines
Lamp Control Circuitry Shutter Control
Models WD-52527 / WD-52528 / WD-62527 / WD-62528
Models WD-52527 / WD-52528 / WD-62527 / WD-62528
PWB-DM
AC-OFF Detect
Audio Supply Switch
Contents
Doubler Circuit
TO/FROM Riser
To Sensors & Fans To Ballast Contents
Chassis
To Shutter Control
To DM Board
Sdram Address BUS
Sdram Data BUS
FMT Board Input BUS Control
Sdram Address
T883C446 MODEL/GROUP Numbers
M306V7FGFP#U0
SN74CBTD1G125DBVR
TC7SA 08FU
SN74LVC1G125DBVR
SYSTEM-5 Micro
SYS5
SN74HC132DB
A05FP
Video Switching
R1XC
R0XC
Tmdspgnd
Rsvda
DVI-1 DVI-2
TA to Signal PWB VID-SW
INPUT1
COMP-1 COMP-2
UPC3221GV
IF+
TO/FROM Interface TO/FROM Power
AX823MEUK
M306H2FCFP
TC7SET08F
To PWB-TERMINAL
Related manuals
Manual
110 pages
60.95 Kb
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