QT-CD180
CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ....................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
FITTING OF DIAL POINTER ............................................................................................................................................. 3
OPERATION MANUAL ...................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 5
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 6
ADJUSTMENT ................................................................................................................................................................... 8
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 11
TYPES OF TRANSISTOR ............................................................................................................................................... 11
SCHEMATIC DIAGRAM .................................................................................................................................................. 12
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 14
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 16
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 17
FUNCTION TABLE OF IC ................................................................................................................................................ 21
PARTS GUIDE/EXPLODED VIEW
PACKING OF THE SET (FOR U.S.A. ONLY)
• 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.
SERVICE MANUAL
SHARP CORPORATION
No. S1102QTCD180/
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
QT-CD180(BL)
QT-CD180(RD)
QT-CD180(S)
QT-CD180(WH)
PORTABLE CD STEREO SYSTEM
MODEL
