Service manual

SERVICE MANUAL
XL-MP40H
No. S2518XLMP40H/
MICRO COMPONENT SYSTEM
XL-MP40H
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.
PRECAUTIONS FOR USING LEAD-FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE
MANUAL ........................................................ 1-1
[2] IMPORTANT SERVICE NOTES (FOR U.K.
ONLY) ............................................................ 1-1
[3] SPECIFICATIONS ......................................... 1-2
[4] NAMES OF PARTS........................................ 1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT............................................... 2-1
[2] TEST MODE .................................................. 2-2
[3] When the CD does not function ..................... 2-3
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE
MAIN PARTS ................................................. 3-1
[2] DISASSEMBLY.............................................. 3-3
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. OTHERS
[1] FUNCTION TABLE OF IC .............................7-1
[2] LCD DISPLAY ...............................................7-6
Parts Guide
• 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.
XL-MP40H Micro Component System consisting of XL-
MP40H (main unit) and CP-MP40H (speaker system).
• Note for users in U.K.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions
of Copyright Act 1956, the Dramatic and Musical Performers Pro-
tection Act 1956, the Performers Protection Acts 1963 and 1972
and to any subsequent statutory enactments and orders.
(Except for U.K.)