QT-CD250
CONTENTS
Page
IMPORTANT SERVICE NOTEST (FOR U.S.A. ONLY) .................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 5
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 5
ADJUSTMENT ................................................................................................................................................................... 7
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.
QT-CD250
SERVICE MANUAL
SHARP CORPORATION
No. S2014QTCD250/
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
