Sharp QT-CD121 Service Manual

Contents

QT-CD121– 1 –CONTENTS PageIMPORTANT SERVICE NOTES ........................................................................................................................................ 2SPECIFICATIONS ............................................................................................................................................................. 2NAMES OF PARTS ........................................................................................................................................................... 3REMOTE CONTROL ......................................................................................................................................................... 3DISASSEMBLY .................................................................................................................................................................. 4REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 5ADJUSTMENT ................................................................................................................................................................... 6BLOCK DIAGRAM ............................................................................................................................................................. 8SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 10NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 16TYPES OF TRANSISTOR ............................................................................................................................................... 16WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 17TROUBLESHOOTING ..................................................................................................................................................... 18FUNCTION TABLE OF IC ................................................................................................................................................ 21PARTS GUIDE/EXPLODED VIEWPACKING OF THE SET• In the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified shouldbe used.QT-CD121SERVICE MANUALSHARP CORPORATIONNo. S5831QTCD121/This document has been published to be usedfor after sales service only.The contents are subject to change without notice.