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XL-40H/50H
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 2
NAMES OF PARTS .......................................................................................................................................................... 3
OPERATION MANUAL..................................................................................................................................................... 5
DISASSEMBLY................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................... 7
ADJUSTMENT .................................................................................................................................................................. 9
RDS ................................................................................................................................................................................ 10
TEST MODE ................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 18
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 19
BLOCK DIAGRAM .......................................................................................................................................................... 20
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 24
TROUBLESHOOTING .................................................................................................................................................... 34
FUNCTION TABLE OF IC .............................................................................................................................................. 40
LCD SEGMENT .............................................................................................................................................................. 48
PARTS GUIDE/EXPLODED VIEW
XL-40H
XL-50H
SERVICE MANUAL
SHARP CORPORATION
No. S2007XL40H///
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XL-40H/XL-50H Micro Component System consisting of XL-40H/XL-
50H ( main unit) and CP-XL40H/CP-XL50H (speaker system).
Illustration: XL-40H
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