Hitachi 46F500A Service Manual Download

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AUGUST 2004

HHEA-MANUFACTURING DIVISION

No. 0193

46F510

DP33KA

46F500A DP33KB

R/C: CLU-4328UG

N T

T S

S C

A//B

siis

SERVICE MANUAL

CONTENTS

IMPORTANT SAFETY INSTRUCTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICING PRECAUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
TECHNICAL CAUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SPECIFICATIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR  . . . . . .13
GENERAL INFORMATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
REMOTE CONTROL  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS  . . . . . . . . . . . . . . . . . . . . . . .18
REAR PANEL CONNECTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
DISPLAY PICTURE FORMATS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
SERVICE ADJUSTMENTS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
TROUBLESHOOTING FLOW CHART  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
WAVEFORMS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
DC VOLTAGE TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
PROTECTION CIRCUIT BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
CIRCUIT SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
PRINTED CIRCUIT BOARDS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
WIRING DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
FINAL WIRING DRAWING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
EXPLODED VIEW  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
EXPLODED VIEW PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
REPLACEMENT PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
DISASSEMBLY INSTRUCTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
QUICK REFERENCE PARTS LIST (IC & UNIT)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160

CAUTION:

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.

SAFETY NOTICE

USE ISOLATION TRANSFORMER WHEN SERVICING

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.

PROJECTION COLOR TELEVISION

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW