Sharp XL-UH250 Service Manual - Page 1

Sharp XL-UH250 Manual

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XL-UH250 SERVICE MANUAL No. S2709XLUH250/ MICRO COMPONENT SYSTEM USB VIDEO /AUX USB XL-UH250 MODEL XL-UH250 XL-UH250 Micro Component System consisting of XL-UH250 (main unit) and CP-UH250 (speaker system). • In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified be used. CONTENTS PRECAUTIONS FOR USING LEAD-FREE SOLDER CHAPTER 1. GENERAL DESCRIPTION [1] Important Service Safety Precaution 1-1 [2] Specifications 1-1 [3] Names Of Parts 1-2 CHAPTER 2. ADJUSTMENTS [1] CD Section 2-1 [2] Test Mode 2-2 [3] Standard Specification Of Stereo System Error Message Display Contents 2-4 [4] CD Changer Mechanism Section 2-5 CHAPTER 3. MECHANICAL DESCRIPTION [1] Removing And Reinstalling The Main Parts 3-1 [2] Disassembly 3-2 CHAPTER 5. CIRCUIT DESCRIPTION [1] Waveforms Of Servo Circuit 5-1 [2] IC Voltage 5-3 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 6-2 [4] Charts Of Connecting Wires 6-10 [5] Wiring Side of PWB 6-12 CHAPTER 7. FLOWCHART [1] Troubleshooting 7-1 CHAPTER 8. OTHER [1] Function Table Of IC 8-1 [2] FL Display 8-9 CHAPTER 4. BLOCK DIAGRAM [1] Block Diagram 4-1 PARTS GUIDE 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. SHARP CORPORATION This document has been published to be used for after sales service only. - 1 The contents are subject to change without notice.

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XL-UH250
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
XL-UH250
XL-UH250
PRECAUTIONS FOR USING LEAD-FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1]
Important Service Safety Precaution
...........
1-1
[2]
Specifications
...............................................
1-1
[3]
Names Of Parts
...........................................
1-2
CHAPTER 2. ADJUSTMENTS
[1]
CD Section
..................................................
2-1
[2]
Test Mode
....................................................
2-2
[3]
Standard Specification Of Stereo System
Error Message Display Contents
.................
2-4
[4]
CD Changer Mechanism Section
................
2-5
CHAPTER 3. MECHANICAL DESCRIPTION
[1]
Removing And Reinstalling The Main Parts
.....................................................................
3-1
[2]
Disassembly
................................................
3-2
CHAPTER 4. BLOCK DIAGRAM
[1]
Block Diagram
.............................................
4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1]
Waveforms Of Servo Circuit
........................
5-1
[2]
IC Voltage
....................................................
5-3
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
.....................................
6-2
[4]
Charts Of Connecting Wires
......................
6-10
[5]
Wiring Side of PWB
...................................
6-12
CHAPTER 7. FLOWCHART
[1]
Troubleshooting
...........................................
7-1
CHAPTER 8. OTHER
[1]
Function Table Of IC
....................................
8-1
[2]
FL Display
....................................................
8-9
PARTS GUIDE
SERVICE MANUAL
No. S2709XLUH250/
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-UH250 Micro Component System consisting of
XL-UH250 (main unit) and CP-UH250 (speaker system).
XL-UH250
• In the interests of user-safety (Required by safety regulations in
some countries) the set should be restored to its original condition
and only parts identical to those specified be used.
SHARP CORPORATION