Sharp XL-505

– 1 –
XL-505/505C,CP-505B
No. S1808XL505///
CONTENTS
Page
IMPORTANT SERVICE NOTES (XL-505 ONLY) .............................................................................................................. 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 5
QUICK GUIDE ................................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS..................................................................................................... 8
ADJUSTMENT ................................................................................................................................................................... 9
BLOCK DIAGRAM ........................................................................................................................................................... 16
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................. 20
VOLTAGE ........................................................................................................................................................................ 26
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 27
TYPE OF TRANSISTOR AND LED ................................................................................................................................. 27
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 28
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 29
FUNCTION TABLE OF IC................................................................................................................................................ 34
LCD SEGMENT ............................................................................................................................................................... 41
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET (XL-505 ONLY)
XL-505
XL-505C
CP-505B
XL-505 and CP-505B constitute XL-505.
XL-505C and CP-505B constitute XL-505C.
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

Sharp XL-505 Specifications

General

Brand	Sharp
Model	XL-505
Category	Stereo System
Language	English

Summary

IMPORTANT SERVICE NOTES (XL-505 ONLY)

General

General specifications of the audio system.

Amplifier section

Technical details of the amplifier.

Tuner section

Technical details of the tuner.

Compact disc player section

Technical details of the CD player.

Cassette deck section

Technical details of the cassette deck.

SPECIFICATIONS

NAMES OF PARTS

Front Panel

Identification of parts on the front of the unit.

Rear Panel

Identification of parts on the rear of the unit.

CP-505 B Speaker Section

Speaker Section

Details of the CP-505B speaker components.

XL-505505 C Remote Control

Remote Control

Identification of parts on the remote control.

OPERATION MANUAL

PREPARATION FOR USE

Steps to prepare the unit for operation.

SETTING THE CLOCK

Instructions for setting the unit's clock.

RESETTING THE MICROCOMPUTER

Procedure to reset the system microcomputer.

Quick-Guide

Preparation for use

Basic setup instructions for the audio system.

CD playback

Steps for playing a compact disc.

Recording from CDs

Instructions for recording audio from CDs.

Tape playback

How to play cassette tapes.

Radio operation

Steps for operating the radio tuner.

Remote control

Usage of the remote control.

Precaution

Important warnings and precautions for usage.

Sound control

How to adjust sound settings.

DISASSEMBLY

Caution on Disassembly

Safety and performance notes before disassembling.

XL-505505 C

Disassembly steps for the XL-505/505C model.

CP-505 B

Disassembly steps for the CP-505B model.

REMOVING AND REINSTALLING THE MAIN PARTS

CD MECHANISM SECTION

Procedures for removing the CD mechanism.

How to remove the pickup

Steps to remove the optical pickup unit.

ADJUSTMENT

MECHANISM SECTION

Adjustments for the tape mechanism section.

TUNER SECTION

Adjustment procedures for the tuner section.

Detection

Adjustment for signal detection in the tuner.

AM IFRF

Adjustment for AM intermediate and radio frequency.

Setting the Test Mode

How to enter test mode for tuner adjustment.

FM Mute Level

Adjustment of FM mute level.

CD SECTION

Adjustment

Adjustment procedures for the CD player section.

Automatic adjustment function

Details on automatic adjustment features.

TEST MODE

Entering the Test Mode

How to access different test modes.

CD Test Mode (TEST 1)

Steps for entering and operating CD test mode.

Step 2 Mode

Step 3 Mode

Step 4 Mode

Step 5 Mode

Tuner Test Mode (TEST 3)

Electronic volume Test Mode (TEST 4)

Timer Test Mode (TEST 5)

LCD Test Mode (TEST 6)

Key input diagnosis Test Mode (TEST A)

Figure 16 BLOCK DIAGRAM (14)

Microcomputer

Block diagram of the microcomputer and related circuits.

SERVO AMP.

Block diagram of the servo amplifier.

Figure 17 BLOCK DIAGRAM (24)

SERVOSIGNAL CONTROL

Block diagram of servo and signal control IC.

Figure 18 BLOCK DIAGRAM (34)

PLL CONTROLLER

Block diagram of the PLL controller for tuner.

Figure 19 BLOCK DIAGRAM (44)

AUDIO PROCESSOR

Block diagram of the audio processor.

POWER AMP.

Block diagram of the power amplifier.

Figure 20 SCHEMATIC DIAGRAM (14)

FRONT END

Schematic of the front end tuner circuitry.

Figure 21 SCHEMATIC DIAGRAM (24)

AUDIO PROCESSOR

Schematic of the audio processor section.

POWER AMP.

Schematic of the power amplifier section.

Figure 23 SCHEMATIC DIAGRAM (44)

CD SERVO PWB-A2

Schematic of the CD servo PWB.

Figure 24 WIRING SIDE OF P.W.BOARD (12)

MAIN PWB-A1

Wiring diagram for the main Printed Wiring Board.

Figure 25 WIRING SIDE OF P.W.BOARD (22)

POWER SUPPLY PWB-A6

Wiring diagram for the power supply PWB.

VOLTAGE

IC101

Voltage table for IC101.

IC303

Voltage table for IC303.

IC401

Voltage table for IC401.

IC701

Voltage table for IC701.

IC801

Voltage table for IC801.

IC802

Voltage table for IC802.

IC102

Voltage table for IC102.

IC301

Voltage table for IC301.

IC302

Voltage table for IC302.

IC804

Voltage table for IC804.

IC601

Voltage table for IC601.

NOTES ON SCHEMATIC DIAGRAM

Resistor

Explanation of resistor marking codes.

Capacitor

Explanation of capacitor marking codes.

Types of Transistor and LED

Identification of common transistor and LED types.

WAVEFORMS OF CD CIRCUIT

TROUBLESHOOTING (CD SECTION)

When the CD does not function

Troubleshooting steps when the CD player fails to operate.

LCD indication error.

Laser lighting failure.

Focus failure.

Focus servo sawtooth wave is not ouput.

Spindle motor clv servo failure.

HF error.

No sound.

Track search failure

Sled motor operation failure.

Slide servo operation failure.

FUNCTION TABLE OF IC

IC701 RH-iX0189 AWZZ:System Microcomputer (IX0189 AW) (12)

Pin functions for the System Microcomputer (Part 1).

IC701 RH-iX0189 AWZZ:System Microcomputer (IX0189 AW) (22)

IC802 VHITC9284 BF-1:ServoSignal Control (TC9284 BF) (12)

Pin Functions (Part 1)

Detailed pinout and functions for the IC802 Servo/Signal Control IC.

Pin Functions (Part 2)

Figure 38 BLOCK DIAGRAM OF IC

IC802 VHITC9284 BF-1:ServoSignal Control (TC9284 BF)

Block diagram of the Servo/Signal Control IC.

IC801 VHITA2065 F-1:Servo Amp. (TA2065 F)

Pin Functions (Part 1)

Detailed pinout and functions for the IC801 Servo Amplifier IC.

Pin Functions (Part 2)

Figure 40-2 BLOCK DIAGRAM OF IC

IC601 VHILA4600-1:Power Amp. (LA4600)

Block diagram of the Power Amplifier IC.

Figure 41 LCD

LCD701 RV-LX0027 AWZZ: LCD

Diagram showing the LCD segments and common connections.

SHARP PARTS GUIDE

HOW TO ORDER REPLACEMENT PARTS

Instructions for ordering replacement parts.

Explanation of capacitorsresistors parts codes

Guide to understanding component part codes.

XL-505505 C INTEGRATED CIRCUITS

TRANSISTORS

List of transistors used in the unit.

DIODES

List of diodes used in the unit.

CAPACITORS

List of capacitors used in the unit.

RESISTORS

List of resistors used in the unit.

XL-505 C,CP-505 B CD MECHANISM PARTS

CD MECHANISM PARTS

List of parts for the CD mechanism assembly.

CABINET PARTS

List of parts related to the unit's cabinet.

ACCESSORIESPACKING PARTS

List of included accessories and packing materials.

PACKING PARTS

List of parts used for packing the product.

XL-505 C,CP-505 B SPEAKER BOX PARTS

SPEAKER BOX PARTS

List of parts for the speaker boxes.

Figure 6 CD MECHANISM EXPLODED VIEW

CD MECHANISM EXPLODED VIEW

Exploded view of the CD mechanism components.

Figure 7 CABINET EXPLODED VIEW

CABINET EXPLODED VIEW

Exploded view of the unit's cabinet and internal components.

Figure 8 SPEAKER EXPLODED VIEW

SPEAKER EXPLODED VIEW

Exploded view of the speaker assembly.

PACKING OF THE SET (XL-505 ONLY)

Setting position of switches and knobs

Recommended settings for switches and knobs during packing.