1
21LF-90RU
SERVICE MANUAL
This document has been published to
be used for after sales service only.
AK- 44
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.
SHARP CORPORATION
CONTENTS
ELECTRICAL SPECIFICATIONS ........................................................................................ 3
IMPORTANT SERVICING NOTES ...................................................................................... 4
CONTROLS & TERMINALS ................................................................................................ 5
PRINTED WIRING BOARD LAYOUT ................................................................................. 6
PARTS LISTING ................................................................................................................... 7
HOW TO UPDATE THE TECHNICAL INFORMATION ...................................................... 11
MODEL
21LF-90RU
SE
0021
LF90R00
Issued:2
2
nd
April 2005
PAL
B/G
/ SECAM
L/L’, B/G, D/K
SYSTEM COLOUR TELEVISION
In order to service the model 21LF-90RU, refer to
the AK-44 Chassis Service Manual
(SE
00
AK44CHA00).