Mitsubishi Electronics WD-52528, WD-62527, WD-62528 - page 4

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528

Page 4

Fans Power Supply....................................................................................................................... 53

Analog Video Signal Path .............................................................................................................54

Digital Video Signal Path .............................................................................................................. 55

Sound Signal Path ........................................................................................................................56

Command Input Circuitry............................................................................................................... 57

Serial Data Control Lines .............................................................................................................. 57

Lamp Control Circuitry .................................................................................................................. 58

Shutter Control.............................................................................................................................. 58

Lamp, Engine and Fan’s Protect circuitry ..................................................................................... 59

Contents

Main SerSer 20052005 Pb Solder WD-52327 Design specifications are subject to change without notice. Page CONTENTS Page MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Pb Solder INTRODUCTION PRODUCT SAFETY NOTICE MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 SAFETY PRECAUTIONS 1. Cold Check 2. Hot Check ...Use the circuit shown below to perform the hot check test. CABINET FRONT DISASSEMBLY CHASSIS REMOVAL Page Page Page Page 12 Chassis Disassembly / Accessing PWBs Note: Although not individually indicated, unplug the required connectors in each disassembly step. Chassis Sequence of Disassembly Page Page Page Page Page Light Engine (Rear View) Page Page INSTALLATION SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Removal Page SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Installation MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 25 OPTION MENU Defaults After Initialization A. A/V Memory B. A/V Reset LED Indicator Diagnostics AV Reset Defaults MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 3. Error Code Operational Check 4. Error Codes Abnormal LED Indications Error Codes SERVICE ADJUSTMENTS Measuring equipment and Jigs Functions Test signal Circuit Adjustment Mode Transferring Data Data Transfer Light Engine Adjustments Test Signal Activation Light Engine (Rear View) Prelminary (refer to the diagram below) After Adjustment (refer to previous page) Trapezoid Distortion Adjustment Rotation Adjustment Page MICRO / TERMINAL PWB TROUBLESHOOTING Troubleshooting Guide MICRO PWB LAYOUT POWER PWB TROUBLESHOOTING POWER PWB OUTPUT CONNECTORS LCD ENGINE INTERNAL LAYOUT OPTICAL EN GINE TROUBL ESHOOTING ENGINE PROTECT LINE FAN DETECT LINE LAMP PROTECT LINE Using Lead Free Solder Pb Solder Figure 2: Pb-Free display on PWB Pb Joints Pb PCA Displays used to indicate Pb-free CHIP PARTS REPLACEMENT REPLACEMENT PARTS QUICK REFERENCE FOR COMMON PARTS MAJOR BOARD ASSEMBLIES MISCELLANEOUS PARTS MIRROR & SCREEN PARTS OPTICAL COMPONENTS INTEGRATED CIRCUITS TRANSISTORS DIODES COILS Page Page TRANSFORMERS VARIABLE RESISTORS RESISTORS CAPACITORS CAPACITORS AND TRIMMERS SWITCHES MISCELLANEOUS PRINTED CIRCUIT BOARDS COSMETIC PARTS ACCESSORIES SCREEN PARTS Page Page Page Page Page Page Page Page Page Page J8F01 AN TATA RARA PWB-TERMINAL CONTENTS SHUTTER CNTRL PAGE 1 PWB-SW-LAMP COLD PD WD-62528 V28+ PAGE 2 (To INTERFACE) KB KA KD V29 ONLY 560 V30,V30+,31 FA NC J8F01 1.8 V R8E12 R8E13 IC8G01 3.3V-ST TC7SA08FU )( IC7A03 3.3VSL TXD0 BUSY SYSTEM-5 MICRO SYS_5/ SYS_5 GLINK Surround Processor IC2K01 AN15865AAVT IC2K02 AN15865AAVT PAGE 6 DETECT SUB CCD IC2000 T.M.D.S. Data 1- 16 18 (21) MM1631XJBE IC3J01 TO SIGNAL PWB - VID-SW LR PAGE 10 IC1505 T313R 100-CG0521 RF AGC IF AGC FDC INP FDC INCM FDC INN AUX AGC GPIO 1 GPIO 0 12C ADDR0 TO/FROM POWERTO/FROM INTERFACE J2C01 DT10121-R3T IC2C04 MAX3223ECAP PC GLINK-RXD B H I J K PWB-CONTROL S7L21 PWB-INTERFACE AN PAGE 14 TO DM PWB