SERVICE MANUAL
XL-MP333H/MP444H
No. S6451XLMP333H
MICRO COMPONENT SYSTEM
XL-MP333H
MODEL
SHARP CORPORATION
CONTENTS
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] SAFETY PRECAUTION FOR SERVICE
MANUAL ........................................................ 1-1
[2] SPECIFICATIONS ......................................... 1-2
[3] NAMES OF PARTS........................................ 1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT ............................................... 2-1
[2] TEST MODE .................................................. 2-2
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE
MAIN PARTS ................................................. 3-1
[2] DISASSEMBLY .............................................. 3-2
CHAPTER 4. DIAGRAMS
[1] BLOCK DIAGRAM ......................................... 4-1
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] WIRING SIDE OF PWB/SCHEMATIC DIA-
GRAM............................................................6-2
CHAPTER 7. FLOWCHART
[1] TROUBLESHOOTING ..................................7-1
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC .............................8-1
[2] FL DISPLAY ..................................................8-7
Parts Guide
XL-MP333H Micro Component System consisting of XL-
MP333H (main unit) and CP-MP333H (speaker system).
XL-MP444H
MODEL
•
In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified be used.
XL-MP444H Micro Component System consisting of XL-
MP444H (main unit), CP-MP444HF (front speaker) and CP-
MP444HSW (subwoofer).
Illustration XL-MP333H
Illustration XL-MP444H
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