Service manual

CD-MPS900/CD-MPS99
SERVICE MANUAL
No. S4414CDMPS900
SHARP CORPORATION
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.
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications ................................................. 1-1
[2] Names of parts............................................... 1-2
CHAPTER 2. ADJUSTMENTS
[1] Mechanism section ........................................ 2-1
[2] Tuner section ................................................. 2-1
[3] TEST MODE .................................................. 2-2
[4] CD section...................................................... 2-4
[5] CD Changer mechanism section ................... 2-5
CHAPTER 3. MECHANISM BLOCKS
[1] Caution on diassembly................................... 3-1
[2] Removing and reinstalling the main parts ........ 3-4
CHAPTER 4. DIAGRAMS
[1] Block diagrams............................................... 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram.......................... 5-1
[2] Types of transistor and LED........................... 5-1
[3] Waveforms of CD circuit ................................ 5-2
[4] Voltage ........................................................... 5-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Schematic diagram ........................................6-1
[2] Wiring side of PWB...................................... 6-11
CHAPTER 7. FLOWCHART
[1] Troubleshooting .............................................7-1
CHAPTER 8. OTHERS
[1] Function table of IC .......................................8-1
[2] FL Display....................................................8-10
Parts Guide
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
MINI COMPONENT SYSTEM
CD-MPS900
MODEL
CD-MPS99
MODEL
CD-MPS900 Mini Component System consisting of CD-MPS900
(main unit) and CP-MPS900 (speaker system).
CD-MPS99 Mini Component System consisting of CD-MPS99
(main unit) and CP-MPS99 (speaker system).
MINI COMPONENT SYSTEM
MINI COMPONENT SYSTEM
CONTENTS