Sharp CD-C449W Service Manual

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Brand: Sharp

Category: Media Player

Type: Service manual

Model: Sharp CD-C449W , Sharp CD-K449W

Pages: 59

Download Sharp CD-C449W Service manual

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– 1 –
CD-C449W/K449W
KARAOKE CIRCUIT
No.S8875CDC449W/
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
VOLTAGE SELECTION ......................................................................................................................................................3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 17
TYPES OF TRANSISTOR AND LED................................................................................................................................17
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 18
BLOCK DIAGRAM ........................................................................................................................................................... 19
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 22
TROUBLESHOOTING ..................................................................................................................................................... 46
FUNCTION TABLE OF IC................................................................................................................................................ 50
FL DISPLAY ..................................................................................................................................................................... 57
REPLACEMENT PARTS LIST/EXPLODED VIEW
CD-C449W
CD-K449W
• 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
SRS, the SRS Logo () and the Sound Retrieval System
are registered trademarks of SRS Labs, Inc. in the United
States.
CD-K449W
SECTION
CD-C449W
CD-C449W mini component system consisting of
CD-C449W mini component system and
CP-C449 speaker system.
CD-K449W mini component system consisting of
CD-K449W mini component system and
CP-C449 speaker system.