Sharp XL-50H

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XL-40H/50H
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 2
NAMES OF PARTS .......................................................................................................................................................... 3
OPERATION MANUAL..................................................................................................................................................... 5
DISASSEMBLY................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................... 7
ADJUSTMENT .................................................................................................................................................................. 9
RDS ................................................................................................................................................................................ 10
TEST MODE ................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 18
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 19
BLOCK DIAGRAM .......................................................................................................................................................... 20
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................ 24
TROUBLESHOOTING .................................................................................................................................................... 34
FUNCTION TABLE OF IC .............................................................................................................................................. 40
LCD SEGMENT .............................................................................................................................................................. 48
PARTS GUIDE/EXPLODED VIEW
XL-40H
XL-50H
SERVICE MANUAL
SHARP CORPORATION
No. S2007XL40H///
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XL-40H/XL-50H Micro Component System consisting of XL-40H/XL-
50H ( main unit) and CP-XL40H/CP-XL50H (speaker system).
Illustration: XL-40H

Sharp XL-50H Specifications

General

Brand	Sharp
Model	XL-50H
Category	Stereo System
Language	English

Summary

Product Information and Safety

Service Manual Safety Precautions

Precautions for protecting eyes from laser beam exposure during servicing.

System Specifications

Service Procedures

Disassembly Procedures

Step-by-step instructions for disassembling the unit.

Main Component Removal and Reinstallation

Procedures for removing and reinstalling tape and CD mechanism components.

Adjustment Procedures

Guides on tuner alignment, test modes, and electronic adjustments.

Test Mode Procedures

Detailed procedures for various test modes (CD, Tuner, Volume, Timer, LCD, Key Input).

Technical Diagrams and Data

System Block Diagrams

High-level overview of the unit's internal circuitry connections.

Detailed Schematic Diagrams

Comprehensive electronic circuit diagrams for the unit.

Troubleshooting

CD Playback Error Diagnosis

Component Failure Diagnosis