Mitsubishi Electronics WD-62530, WD-62531

Page 45

MODEL: WD-52531 / WD-62531 WD-62530

LCD Engine Protect Circuitry

Short Protect Circuitry

Contents

Main SerSer MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC. SerSer Servicevice Pb Solder WD-52327 Page MODEL: WD-52531 / WD-62531 / WD-62530 CONTENTS Page MODEL: WD-52531 / WD-62531 / WD-62530 Pb Solder INTRODUCTION PRODUCT SAFETY NOTICE MODEL: WD-52531 / WD-62531 / WD-62530 SAFETY PRECAUTIONS 1. Cold Check 2. Hot Check ...Use the circuit shown below to perform the hot check test. Page Page PWB-SIGNAL Removal Exhaust Fan Replacement PWB-DM Removal AAA Light Engine Replacement LCD Engine LCD Engine on engine plate Light Engine & Engine Plate removal from the Cabinet (c) (D) Light Engine removal from the Bottom Plate Light Engine removal from the Bottom Plate (continued) Light Engine Inst allation Page Screen Replacement Lenticular Screen and Fresnel Lens Replacement Lenticular Screen and Fresnel Lens Removal OPTION MENU V32/V32L REMOTE CONTROL V32/v32L Remote Button Name Changes Digital Signal Strength Page 16 Front Panel Initialization DEFAULTS AFTER INITIALIZATION Page 18 A. A/V Memory B. A/V Reset LED Indicator Diagnostics Normal LED Indications AV RESET DEFAUL TS ERROR CODES Lamp Control Block Diagram Code 34 Lamp Troubleshooting Flow Chart Cod e 34 66 Code 66 Code SERVICE ADJUSTMENTS T wo Electrical Adjustments Three Mechanical Adjustment Measuring equipment and Jigs Test signal Transferring Data Light Engine Adjustments T est Signal Activation Preliminary (refer to the diagram below) After Adjustment (refer to previous page) T rapezoid Distortion Adjustment Rotation Adjustment MODEL: WD-52531 / WD-62531 / WD-62530 Using Lead Free Solder Pb Solder Figur e 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 M AJOR PWB ASSEMBLIES CHASSIS COM PONENTS MIRROR & SCREEN PARTS COMPONENT PART NUMBER MODELS LA MP CA RTRIDGE 915P043010 ALL REMOTE 290P137010 ALL INTEGRA TED CIRCUITS TRANSISTORS MODEL: WD-52531 / WD-62531 / WD-62530 DIODES COILS Page TRANSFORMERS VARISTORS RESISTORS CAPACITORS CAPACITORS AND TRIMMERS SWITCHES MISCELLANEOUS PRINTED CIRCUIT BOARDS COSMETIC P ARTS ACCESSORIES Page Page Page Page Page Page Page Page Page Page CN101 CN201 PG 9.....DM1 [DMDCDC] PG 17....DM9 [DM-AUDIO] PG 14....DM6 [DMADC-DVI] PWB-SIGNAL PWB-INTERFACE PL KA KC PB PWB-SIGNAL AN PG 1.....BLOCK XH-H FFC connection (TA) FFC connection (RA) FC NC PG 2.....POWER / INTERFACE (To CHASSIS) (To INTERFACE) ET9A01 PG 3.....SIGNAL1 [TV MICRO] 3.3VSL 256810 TA XIN L PG 4.....SIGNAL2 [AUDIO / DC-DC] 5VSL 5VS 9VS IC2K01 AN15870A-BT PG 7.....SIGNAL5 [TUNER] TO FRONT PWB SIGNAL_6 SIGNAL_1 SIGNAL_5 BA7046F PG 6.....SIGNAL4 [FMT-MICRO] FC [SIGNAL_1 VDD Ao6 IC1500 T312 A21 100-CG1028 PG 7.....SIGNAL5 [TUNER] GPIO_9 CONTENTS WD-52531 V32 GPIO_10 PWB-FRONT PG 8.....SIGNAL6 [PIN-JACK] / MISC [CONTROL/E2P/FRONT/PREAMP] PWB-SIGNAL-6 [PIN-JACK] PWB-CONTROL PWB-PREAMP PWB-SWLAMP CAPACITORS FOR EMI CONNECTOR TO PWB-SIGNAL [TV-MICRO] Q9G23 Si7804DN-T1-E3 CONNECTOR TO PWB-SIGNAL [TV-MICRO] RA IC8001 215H31AGA12HG PG 10....DM2 [DMCORE] BOOT STRAPS PAGE 10 PG 11....DM3 [DMMEMA/DC] IC8102 IC8103 IC8101 LP2996MRXNOPB R8107 USB PG 12....DM4 [DMMEMB/USB] PAGE 12 RTC PG 13....DM5 [DMROM/AV] J8301 IC8304 MD5811-D256-V3Q18-P IC8307 ST16C654CQTRSW-F TMS PG 14....DM6 [DMADC-DVI] R7E11 SSEPV MAIN_HD MAIN_VD PG 15....DM7 [DMPM8] MSEPH MPLLCLK MCR[0-9] MY[0-9] IC2000 SiI9023CTU144 PG 16....DM8 [DM-HDMI] Q1 Q2 Q3 PG 17....DM9 [DM-AUDIO] 9VS MN-R CS4351-CZZR AINL