XL-UH4H
– 1
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) .....1-2
[3] Specifications...............................................1-2
[4] Names Of Parts ...........................................1-3
CHAPTER 2. MECHANISM BLOCKS
[1] Disassembly ................................................2-1
CHAPTER 3. DIAGRAMS
[1] Block Diagram .............................................3-1
CHAPTER 4. CIRCUIT DESCRIPTION
[1] Waveforms Of Servo Circuit ........................4-1
[2] Voltage.........................................................4-3
CHAPTER 5. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Notes On Schematic Diagram .................. 5-1
[2] Types Of Transistor And LED ................... 5-1
[3] Wiring Side Of PWB/Schematic Diagram . 5-2
CHAPTER 6. FLOWCHART
[1] Troubleshooting ........................................ 6-1
CHAPTER 7. OTHERS
[1] Function Table Of IC................................. 7-1
[2] LCD Display............................................ 7-12
[3] Wiring Of Primary Supply Leads
(For U.K. Only)........................................ 7-13
PARTS GUIDE
SERVICE MANUAL
No. S7626XLUH4H//
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.
CONTENTS
MICRO COMPONENT SYSTEM
MODEL
XL-UH4H Micro Component System consisting of
XL-UH4H (main unit) and CP-UH4H (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 Protection Act 1956, the
Performers Protection Acts 1963 and 1972 and to any
subsequent statutory enactments and orders.
• In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
XL-UH4H
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
