Service manual

1
28KF-84H
PAL I SYSTEM COLOUR TELEVISION
SERVICE MANUAL
This document has been published to
be used for after sales service only.
GA-200 CHASSIS
In the interests of user safety (required by safety
regulations in some countries) the set should be re-
stored to its original condition and only parts identi-
cal to those specified should be used.
CONTENTS
ELECTRICAL SPECIFICATIONS ................... 3
IMPORTANT SERVICING NOTES ................. 4
CONTROLS & TERMINALS ........................... 5
ADJUSTMENT PROCEDURES ...................... 6
LED FLASHING CODES ............................... 13
PRINTED WIRING BOARDS ........................ 14
COMPONENT LOCATION TABLES ............... 22
CHASSIS LAYOUT ......................................... 29
SCHEMATIC DIAGRAMS ............................... 32
BLOCK DIAGRAM ....................................... 45
TROUBLESHOOTING TABLES ..................... 46
ICs ADDITIONAL INFORMATION .................. 51
PARTS LISTING ............................................. 67
SERVICING NOTES.................................... 77
SOURCE OF DOCUMENTATION .................. 79
SHARP CORPORATION
MODEL 28KF-84H
SE0028KF84H00
Issued:24
th
July 2003