Sharp xl dv 484 w service manual

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XL- DV484W

SHARP SERVICE MANUAL

VIDEO CD

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A C the V D I s c :::::
Subwoofer System m" 1' mm"

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CHAPTER 1. GENERAL DESCRIPTION

[1] SAFETY PRECAUTION FOR SERVICE
MANUAL ..........................

[2] VOLTAGE SELECTION

[3] AC POWER SUPPLY CORD AND AC

PLUG ADAPTOR .......
[4] SPECIFICATIONS .....
[5] NAMES OF PARTS ....................................... 1-3
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT .............................................. 2-1
[2] TEST MODE ................................................. 2-3
[3] Standard Specification of Stereo System

Error Message Disptay Contents ................ 2-10

CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE

MAIN PARTS ................................................ 3-1
[2] DISASSEMBLY ............................................. 3-3
CHAPTER 4. DIAGRAMS
[1] BLOCK DIAGRAM .......... 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] WAVEFORMS OF DVD CIRCUIT ................. 5-1
[2] VOLTAGE ...................................................... 5-2

CONTENTS

N0. 86445XLDV484W

DVD MICRO SYSTEM

MODEL XL-DV484W

XL-DV484W DVD Micro System consisting of XL-DV484W
(main unit), CP-DV484W (front speaker) and CP-SWSOOV (ac-
tive subwoofer).

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CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT

[1] NOTES ON SCHEMATIC DIAGRAM
[2] TYPES OF TRANSISTOR AND LED
[3] WIRING SIDE OF PWB/SCHEMATIC DIA-

GRAM ............................................................ 6-2
CHAPTER 7. FLOWCHART
[1] Troubleshooting ............................................. 7-1
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC ..... 8-1
[2] FL DISPLAY .............................. 8-8

CHAPTER 9. ACTIVE SUBWOOFER DIAGRAM

[1] BLOCK DIAGRAM ......................................... 9-1
[2] WIRING SIDE OF PWB/SCHEMATIC DIA-

GRAM ............................................................ 9-3
Parts Guide

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This document has been published to be used

SHARP CORPORATION for after sales service only

The contents are subject to Change without notice.

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XL-DV484W
CHAPTER 1. GENERAL DESCRIPTION

[1] SAFETY PRECAUTION FOR SERVICE MANUAL

Precaution to be taken when replacing and servicing the Laser Pickup.

The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements. However, the follow-
ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.

1) When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position cuter than the lead-in posi-
tion, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.

2 The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping.
3
4

5 CAUTION - Use of controls or adjustments, or performance of procedures other than those specified herein may result in hazardous radiation
exposure.

No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup.

Under no circumstances look directly into the Pickup Lens at any time.

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[2] VOLTAGE SELECTION

Before operating the unit on mains, check the preset voltage. If the voltage is different from your local voltage, adjust the voltage as follows.

Turn the selector with a screwdriver until the appropriate voltage number appears in the window(110V,127V,220V or 230V - 240V AC).

[3] AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

QACCLOOO8AWOO

QACCEOO15AW00

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