Hitachi UltraVision L42S601, Руководство по обслуживанию, Страница: 2 / 91

PA No. 0228
L42S601 / DW3G
L42V651 / DW3G
R/C: CLU-4373A p/n HL02403 L42S601
R/C: CLU-4374A p/n HL02404 L42V701
SERVICE MANUAL
TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW
CONTENTS
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
Electric shock do not perform any servicing other than that contained in the operating instructions
Unless you are qualified to do so. Before servicing this chassis, it is important that the service
Technician read the “IMPORTANT SAFETY INSTRUCTIONS” in this service manual.
CAUTION:
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SEPTEMBER 2007 HHEA-MANUFACTURING DIVISION
LIQUID CRISTAL DISPLAY PANEL
IMPORTANT SAFETY PRECAUTIONS ...................................................... 2
PRODUCT SAFETY NOTICE ..................................................................... 3
SERVICING PRECAUTIONS ..................................................................... 4
AGENCY REGULATORY INFORMATION ................................................. 9
ACKNOWLEDGMENTS AND TRADEMARKS ........................................... 10
INTRODUCTION ........................................................................................ 11
SPECIFICATIONS ...................................................................................... 12
BASIC SETUP & OPERATION ................................................................... 15
ADJUSTMENTS ......................................................................................... 32
TROUBLESHOOTING FLOWCHARTS ..................................................... 37
BLOCK DIAGRAMS ................................................................................... 41
CONNECTOR DIAGRAMS ......................................................................... 43
FINAL WIRING DIAGRAM .......................................................................... 44
QUICK DISASSEMBLY GUIDE .................................................................. 46
FINAL ASSEMBLY GUIDE ......................................................................... 56
WAVEFORMS ............................................................................................ 64
DC VOLTAGES .......................................................................................... 65
CIRCUIT SCHEMATIC DIAGRAMS ........................................................... 66
PRINTED CIRCUIT BOARDS .................................................................... 76
PARTS LIST ............................................................................................... 82
QUICK REFERENCE PARTS LIST ............................................................ 88
Components having special safety characteristics are identified by a ! on the schematics and on the parts list in this
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
Read and follow the “Important Safety Instructions” in this Service Manual.
Version 0228-3
Updated 02-14-08