Sharp CD-MPX870 Service Manual

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Brand: Sharp

Category: Micro Music System , Stereo System

Type: Service manual for Sharp CD-MPX870

Pages: 112

Download Sharp CD-MPX870 Service manual

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CD-MPX870
SERVICE MANUAL
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
No. S6623CDMPX870
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
PRECAUTIONS FOR USING LEAD FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications................................................. 1-1
[2] Names of parts............................................... 1-2
CHAPTER 2. ADJUSTMENTS
[1] Mechanism section ........................................ 2-1
[2] Test mode ...................................................... 2-2
[3] CD section ..................................................... 2-4
[4] CD Changer mechanism section ................... 2-5
CHAPTER 3. MECHANISM BLOCKS
[1] Caution on disassembly................................. 3-1
[2] Removing and reinstalling the main parts ........ 3-4
CHAPTER 4. DIAGRAMS
[1] CD Block diagrams ........................................ 4-1
[2] Main Block diagrams ..................................... 4-2
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Waveforms of CD circuit ................................ 5-1
[2] Voltage........................................................... 5-2
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[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 .....................................6-10
CHAPTER 7. FLOWCHART
[1] Troubleshooting.............................................7-1
CHAPTER 8. OTHERS
[1] Function table of IC .......................................8-1
[2] FL Display ..................................................... 8-8
Parts Guide
MINI COMPONENT SYSTEM
CD-MPX870
MODEL
CD-MPX870 Mini Component System consisting of
CD-MPX870
(main unit) and CP-MPX870 (speaker
system).
CONTENTS