1
28JS-74E
MODEL
28JS-74E
C/F
PAL
B/G, I
/ SECAM
L/L’, B/G, D/K
SYSTEM COLOUR TELEVISION
SE
00
28JS74E00
SERVICE MANUAL
Issued: 2
nd
Sept. 2002
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 restored
to its original condition and only parts identical to
those specified should be used.
CONTENTS
ELECTRICAL SPECIFICATIONS ................... 3
IMPORTANT SERVICING NOTES ................. 4
CONTROLS & TERMINALS ........................... 5
ADJUSTMENT PROCEDURES ......................
PRINTED WIRING BOARDS ........................ 13
COMPONENT LOCATION TABLES ............... 19
CHASSIS LAYOUT ......................................... 24
SCHEMATIC DIAGRAMS ............................... 26
SHARP CORPORATION
BLOCK DIAGRAM ....................................... 38
TROUBLESHOOTING TABLES ..................... 39
ICs ADDITIONAL INFORMATION .................. 44
LED FLASHING CODES ................................. 60
PARTS LISTING ............................................. 61
SERVICING NOTES.................................... 69
SOURCE OF DOCUMENTATION .................. 73