Hitachi 61HDX98B Service Manual
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SERVICE MANUAL
CONTENTS
SAFETY PRECAUTIONS .............................................
.2
SERVICING PRECAUTIONS ........................................... .7
TECHNICAL CAUTIONS
..............................................
11
SPECIFICATIONS
...................................................
12
CIRCUIT PROTECTION
..............................................
12
CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR
..... .13
SETUP AND CONNECTIONS
..........................................
14
REMOTE CONTROL
................................................
.17
SELECTING TV AND DIRECTV MODES
.................................
.19
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS ..................... .20
SERVICE ADJUSTMENTS
............................................
.27
DCVOLTAGES.....................................................14 7
BASIC CIRCUIT DIAGRAM
..........................................
.175
PRINTED CIRCUIT BOARDS
.........................................
.192
BLOCK DIAGRAM
.................................................
.199
WIRING DIAGRAM .................................................
.200
EXPLODED VIEW ................................................. .205
REPLACEMENT PARTS LIST
........................................
.206
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 Aon 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 or Hitachi approved equivalent type.
SPECIFICATIONS AND PARTS ARE SUBJECTTO CHANGE FOR IMPROVEMENT
PROJECTION COLOR TELEVISION
AUGUST 1999 HHEA-MANUFACTURING