SERVICE MANUAL
XL-MP9H
No. S7552XLMP9H//
MICRO COMPONENT SYSTEM
XL-MP9H
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] PRECAUTION FOR USING LEAD-FREE
SOLDER ........................................................ 1-1
[2] SAFETY PRECAUTION FOR SERVICE
MANUAL ........................................................ 1-2
[3] SPECIFICATIONS ......................................... 1-3
[4] NAMES OF PARTS........................................ 1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT ............................................... 2-1
[2] TEST MODE .................................................. 2-2
CHAPTER 3. MECHANICAL DESCRIPTION
[1] DISASSEMBLY .............................................. 3-1
CHAPTER 4. DIAGRAMS
[1] BLOCK DIAGRAM MAIN ............................... 4-1
[2] BLOCK DIAGRAM DISPLAY ......................... 4-3
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 MAIN(1/3)...............6-2
[4] SCHEMATIC DIAGRAM MAIN(2/3)...............6-4
[5] SCHEMATIC DIAGRAM MAIN(3/3)...............6-6
[6] SCHEMATIC DIAGRAM DISPLAY ................6-8
[7] WIRING SIDE OF PWB ..............................6-10
[8] WIRING SIDE OF PWB MAIN TOP ............6-12
[9] WIRING SIDE OF PWB MAIN BOTTOM......6-14
[10] WIRING SIDE OF PWB POWER/JACK......6-16
[11] WIRING SIDE OF PWB DISPLAY/
SWITCH ......................................................6-18
CHAPTER 7. FLOWCHART
[1] TROUBLESHOOTING ..................................7-1
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC .............................8-1
[2] FL DISPLAY ..................................................8-7
Parts Guide
TopPage
XL-MP9H Micro Component System consisting of XL-MP9H
(main unit) and CP-MP8H (speaker system).
•
In the interests of user-safety the set should be restored to its origi-
nal condition and only parts identical to those specified be used.
E
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