– 1 –
CD-PC1881V
No. S0961CDPC1881
CD-PC1881V
• 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-PC1881V Video CD Mini System consisting of CD-PC1881V
(main unit), CP-C881 (front speakers), CP-SW881 (sub woofer),
GBOXS0026AWM1 (center speaker) and GBOXS0027AWM1
(surround speakers).
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 ...................................................................................................................................................... 7
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 11
ADJUSTMENT ................................................................................................................................................................. 12
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM .................................................................................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 30
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 31
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 38
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 38
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 39
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 40
FUNCTION TABLE OF IC ................................................................................................................................................ 44
FL SEGMENT ................................................................................................................................................................... 56
PARTS GUIDE/EXPLODED VIEW
NTSC/PAL
Manufactured under license from Dolby Laboratories Licensing
Corporation.
DOLBY, the double-D symbol
and “PRO LOGIC” are
trademarks of Dolby Laboratories Licensing Corporation.
