Sharp XL-30H Service Manual

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XL-30H/30W
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
IMPORTANT SERVICE NOTES (XL-30H FOR U.K. ONLY)............................................................................................ 3
VOLTAGE SELECTION (FOR XL-30W)........................................................................................................................... 3
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR (FOR XL-30W) ....................................................................... 3
SPECIFICATIONS ............................................................................................................................................................ 4
NAMES OF PARTS .......................................................................................................................................................... 5
OPERATION MANUAL ..................................................................................................................................................... 6
DISASSEMBLY............................................................................................................................................................... 10
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................. 11
ADJUSTMENT ................................................................................................................................................................ 13
TEST MODE ................................................................................................................................................................... 14
ERROR LIST .................................................................................................................................................................. 18
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 19
TYPES OF TRANSISTOR AND LED.............................................................................................................................. 19
BLOCK DIAGRAM .......................................................................................................................................................... 20
SCHEMATIC DIAGRAM ................................................................................................................................................. 24
WIRING SIDE OF P.W.BOARD ...................................................................................................................................... 30
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 37
TROUBLESHOOTING .................................................................................................................................................... 38
FUNCTION TABLE OF IC .............................................................................................................................................. 44
LCD SEGMENT .............................................................................................................................................................. 52
PARTS GUIDE/EXPLODED VIEW
PACKING METHOD (XL-30H FOR U.K. ONLY)
XL-30H
SERVICE MANUAL
SHARP CORPORATION
No. S5046XL30HW//
• 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-30H Micro Component System consisting of XL-30H (main unit)
and CP-XL40H (speaker system).
Illustration: XL-30H
XL-30W Micro Component System consisting of XL-30W (main unit)
and CP-XL40H (speaker system).
Illustration: XL-30W
• 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.
XL-30W
MODEL
MICRO COMPONENT SYSTEM
MODEL

Sharp XL-30H Specifications

General

Type	Micro Component System
Speakers	2-way speakers
Functions	CD Player, Radio
Inputs	Auxiliary input
Radio	FM/AM Tuner

Summary

SAFETY PRECAUTION FOR SERVICE MANUAL

Laser Safety Precautions

Warnings and guidelines for safe handling of laser components.

Class 1 Laser Product Classification

Information on the product's classification as a Class 1 laser device.

IMPORTANT SERVICE NOTES

Withstanding Voltage Test Procedure

Procedure to ensure unit safety after repairs or adjustments.

SPECIFICATIONS

General and Amplifier Specifications

Technical details on power, dimensions, output power, and terminals.

NAMES OF PARTS

Front Panel Component Identification

Labels and identification of parts on the unit's front panel.

OPERATION MANUAL

Remote Control Functions

Description of remote control buttons and their functions.

SETTING THE CLOCK

Clock Time and Display Mode Setup

Steps to set the current time and preferred display mode.

DISASSEMBLY

Disassembly Precautions and Steps

Guidelines and detailed steps for safely disassembling the unit.

REMOVING AND REINSTALLING THE MAIN PARTS

Tape Mechanism Component Removal

Detailed procedures for removing tape mechanism parts like heads and pinch rollers.

ADJUSTMENT

Mechanism and Tuner Adjustments

Procedures for force, speed, and tuner signal adjustments.

TEST MODE

Test Mode Operation and Types

Instructions for entering and operating ordinary and self-diagnosis test modes.

ERROR LIST

Troubleshooting Error Messages

Explanations of error codes and their probable causes.

NOTES ON SCHEMATIC DIAGRAM

Schematic Diagram Symbols and Conventions

Explanation of resistor, capacitor symbols, and voltage measurement notes.

BLOCK DIAGRAM

System Block Diagram Overview (1/4)

A visual representation of the system's primary functional blocks.

SCHEMATIC DIAGRAM

Electrical Circuit Diagrams (1/6)

Detailed electrical schematics of the unit's circuitry.

WIRING SIDE OF P.W.BOARD

PWB Wiring Layouts (1/7)

Diagrams showing the physical layout of wiring on printed circuit boards.

TROUBLESHOOTING

CD Playback Issues

Guidance for diagnosing and resolving problems with CD playback.

FUNCTION TABLE OF IC

IC701 Microcomputer Pin Functions (1/2)

Pin assignments and detailed functions of the system control microcomputer.

PARTS GUIDE

Ordering Replacement Parts Information

Instructions for ordering spare parts, including required details.

EXPLODED VIEW

CD Mechanism Exploded Assembly Diagram

Visual breakdown of the CD mechanism for parts identification.