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CD-K491W
No.S0883CDK491W/
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 11
ADJUSTMENT ................................................................................................................................................................. 12
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 16
TYPES OF TRANSISTOR AND LED ................................................................................................................................ 16
BLOCK DIAGRAM ........................................................................................................................................................... 17
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 22
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 52
TROUBLESHOOTING ..................................................................................................................................................... 53
FUNCTION TABLE OF IC ................................................................................................................................................ 57
FL DISPLAY ..................................................................................................................................................................... 68
REPLACEMENT PARTS LIST/EXPLODED VIEW
CD-K491W
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
CD-K491W mini component system consisting of CD-K491W
mini component system, CP-K491, CP-SW491, centre
(GBOXS0010AWM3) and surround (GBOXS0011AWM3)
speaker system.
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are trademarks
of Dolby Laboratories. Confidential Unpublished Works.
©1992-1997 Dolby Laboratories, Inc. All rights reserved.
QSOUND and the QLogo are registered trademarks of
QSound Labs, Inc.
QSound is protected under US Patent Nos. 5,105,462 and
5,208,860 and foreign counterparts.
