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SERVICE MANUAL
CONTENTS
SAFETY PRECAUTIONS .............................................
.3
SERVICING PRECAUTIONS ........................................... .6
TECHNICAL CAUTIONS .............................................. 10
SPECIFICATIONS ................................................... 11
CIRCUIT PROTECTION .............................................. 11
GENERAL INFORMATION ............................................ 12
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS ..................... .13
TV GUIDE PLUS+ .................................................. .15
CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR ..... .22
SERVICE ADJUSTMENTS ............................................ .23
TROUBLESHOOTING ............................................... .39
PROTECTION CIRCUIT BLOCK DIAGRAM ............................... .47
BASIC CIRCUIT DIAGRAM ........................................... .49
PRINTED CIRCUIT BOARDS .......................................... .64
BLOCK DIAGRAM .................................................. .68
WIRING DIAGRAM .................................................. .69
EXPLODED VIEW .................................................. .71
REPLACEMENT PARTS LIST .......................................... .72
CAUTION:
Before servicing this chassis, it is important that the service technician read the “Safety Precaution”
and “Product Safety Notices” in this service manual.
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special safety characteristics are identified by a 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 “Safety Precautions” and “Product Safety Notices” in this Service Manual.
*For continued x-radiation protection, replace picture tube with original type of Hitachi approved equivalent type.
SPECIFICATIONS AND PARTS ARE SUBJECTTO CHANGE FOR IMPROVEMENT
PROJECTION COLOR TELEVISION
SEPTEMBER 1998 HHEA-MANUFACTURING