File name 55FX48B.pdfSERVICE MANUAL
R/c: CLU-431 UI
CONTENTS
SAFETY PRECAUTIONS ... SERVICING PRECAUTIONS ... TECHNICAL CAUTIONS ... SPECIFICATIONS ... CIRCUIT PROTECTION ... ... GENERAL INFORMATION ... CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR SERVICE ADJUSTMENTS ... TROUBLESHOOTING ... PROTECTION CIRCUIT BLOCK DIAGRAM ... BASIC CIRCUIT DIAGRAM ... PRINTED CIRCUIT BOARDS ... BLOCK DIAGRAM ... WIRING DIAGRAM ... EXPLODEDVIEW ... REPLACEMENT PARTS LIST. ... .3 .6 10 11 11 12 .13 .16 .17 .31 .38 .39 53 .56 57 ..5 9 .60
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CAUTION:
Before servicing this chassis, it is important that the service technician and "Product Safety Notices" in this service manual.
read the "Safety Precaution"
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
JULY 1998
COLOR TELEVISION
HHEA-MANUFACTURING DIVISION
SAFETY NOTICE USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special safety characteristics are identified by anon the schematics and on the parts list in this service manual and its supplements and bulletins. Before servicing this chassis, it is important that the service technician read and foffow the "Safety Precautions" and the "Product Safety Notices" in this Service Manual. For continued X-Radiation protection, replace picture tube with original type or Hitachi approved equivalent type.
This Service Manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void warranty. If you are not qualified to perform the repair of this product prop |