Sharp CD-MPX870W Service Manual

Also see for CD-MPX870W: Operation manual

Contents

CD-MPX870WCD-MPX870WSERVICE MANUALIn the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified beused.No. S6622CDMP870WParts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specifiedones for maintaining the safety and performance of the set.This document has been published to be usedfor after sales service only.The contents are subject to change without notice.CHAPTER 1. GENERAL DESCRIPTION[1] Precaution for using lead-free solder ............ 1-1[2] Safety precaution for service manual ........... 1-2[3] Voltage selection............................................1-2[4] AC power supply cord AC plug adaptor.........1-2[5] Specifications.................................................1-3[6] Names of parts...............................................1-4CHAPTER 2. ADJUSTMENTS[1] Mechanism section ....................................... 2-1[2] Test mode ..................................................... 2-2[3] CD section ..................................................... 2-4[4] CD Changer mechanism section ................... 2-5CHAPTER 3. MECHANISM BLOCKS[1] Caution on disassembly................................. 3-1[2] Removing and reinstalling the main parts...... 3-4CHAPTER 4. DIAGRAMS[1] CD Block diagrams ....................................... 4-1[2] Main Block diagrams .................................... 4-2CHAPTER 5. CIRCUIT DESCRIPTION[1] Waveforms of CD circuit............................... 5-1[2] Voltage ......................................................... 5-2CHAPTER 6. CIRCUIT SCHEMATICS AND PARTSLAYOUT[1] Notes on schematic diagram........................ 6-1[2] Types of transistor and LED .......................... 6-1[3] Schematic diagram........................................ 6-2[4] Wiring side of PWB ......................................6-10CHAPTER 7. FLOWCHART[1] Troubleshooting............................................ 7-1CHAPTER 8. OTHERS[1] Function table of IC ...................................... 8-1[2] FL Display .................................................... 8-8Parts GuideMINI COMPONENT SYSTEMMODELCD-MPX870W Mini Component System consisting ofCD-MPX870W (main unit) and CP-MPX870 (speakersystem).CONTENTS