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CD-C440W/CP-C440W
SERVICE MANUAL
No. S7749CDC440W/
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
VOLTAGE SELECTION.................................................................................................................................................... 2
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR .................................................................................................2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL..................................................................................................................................................... 6
DISASSEMBLY................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................ 10
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 12
BLOCK DIAGRAM .......................................................................................................................................................... 13
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................16
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 37
TROUBLESHOOTING (CD SECTION) .......................................................................................................................... 38
FUNCTION TABLE OF IC .............................................................................................................................................. 42
FL DISPLAY.....................................................................................................................................................................51
REPLACEMENT PARTS LIST/EXPLODED VIEW
CD-C440W
CP-C440W
CD-C440W AND CP-C440W constitute CD-C440W.
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
• SRS technology Licensed from SRS Labe. SRS technology holds
the follwing patents: U.S. Patent No. 4,748,669, U.S. Patent No.
4,841,572 and U.S. Patent No. 4,866,774.
• SRS the SRS Logo ( ) and the SOUND RETRIEVAL SYSTEM
are registered trademarks of SRS Labs, Inc.
SHARP CORPORATION