Sharp bd hp 20 u service manual

Page 1

BD-HP20U

SHARP SERVICE MANUAL

No. 897M3BD-HP20U

EAL WEI BLU-RAY DISC PLAYER
I: 99- 2% Harm MODEL B D-H P20 U

Pawns»

In the interests of user»safety (Required by safety regulation in some countries) the set should be restored to its
original conditions and only parts identical to those specified should be used.

[4] OPERATION .....

CHAPTER 5. BLOCK DIAGRAMS
[1] MAIN BLOCK DIAGRAM .............................. 51

CHAPTER 6. SCHEMATIC DIAGRAMS
[1] MAIN (1) CIRCUIT SCHEMATIC DIA-

GRAM ........................................................... e4
[2] MAIN (2) CIRCUIT SCHEMATIC DIA-

GRAM ........................................................... 66
[3] MAIN (3) CIRCUIT SCHEMATIC DIA-

GRAM ......................................................... 6-11

MAIN (4) CIRCUIT SCHEMATIC DIA-

4
K

/ CONTENTS \
SAFETY PRECATION GRAM .......................................................... 6-12
IMPORTANT SERVICE NOTES .............. [5] MAIN (5) CIRCUIT SCHEMATIC DIA-
Precautions for using lead»tree solder ..... GRAM .......................................................... 6-13
[6] MAIN (6) CIRCUIT SCHEMATIC DIA-
CHAPTER 1. SPECIFICATIONS GRAM ...... ...6-14
[1] SPECIFICATIONS ........................................ 1»1 [7] MAIN (7) C
GRAM .......................................................... 6-19
CHAPTER 2. OPERATION MANUAL [8] MAIN (8) CIRCUIT SCHEMATIC DIA-
[1] PARTS NAMES .......... 2»1 GRAM ...... ...6-20
[9] MAIN (9) C
CHAPTER 3. REMOVING OF MAJOR PARTS GRAM .......................................................... 6-21
[1] REMOVING OF MAJOR PARTS .................. 31 [10] ANALOG (1) CIRCUIT SCHEMATIC DIA-
[2] EXTENSION CABLE CONNECTION DIA- GRAM .......................................................... 6-22
GRAM ............................................... [11] ANALOG (2) CIRCUIT SCHEMATIC DIA-
[3] IMPORTANT SERVICE NOTICE.. GRAM .......................................................... 6-27
[4] UPGRADING .................................... [12] POWER (1) CIRCUIT SCHEMATIC DIA-
GRAM .......................................................... 6-32
CHAPTER 4. TROUBLE SHOOTING TABLE [13] POWER (2) CIRCUIT SCHEMATIC DIA-
[1] MAIN .......... GRAM .......................................................... 6-33
[2] ANALOG. [14] OPERATION CIRCUIT SCHEMATIC DIA-
[3] POWER ...... GRAM .......................................................... 6-34

[15] LCD CIRCUIT SCHEMATIC DIAGRAM ...... 6-36

CHAPTER 7. PRINTED WIRING BOARD ASSEM-
BLES

[1] MAIN PWB .................................................... 7»1
[2] ANALOG PWB
[3] POWER PWB .....
[4] OPERATION PWB.
[5] LCD PWB ..................

Parts Guide

Parts marked with " I " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the

safety and performance OI the set.

SHARP CORPORATION

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

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BD-HP20U
SAFETY PRECATION

IMPORTANT SERVICE NOTES
IIMPORTANT SERVICE NOTES

Note:

This unit can be used only where the power
supply is AC 120V, 60Hz.

It cannot be used elsewhere.

CAUTION:

USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.

DO NOT STARE INTO THE LASER BEAM OR
VIEW WITH OPTICAL INSTRUMENT.

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS EQUIPMENTTO
RAIN OR MOISTURE.

TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, AND ANNOYING INTERFERENCE, USE
THE RECOMMENDED ACCESSORIES ONLY.

This Unit is classified as a CLASS 1 LASER
product.

The CLASS 1 LASER PRODUCT label is located
on the rear cover.

This product contains a low power laser device.
To ensure continued safety do not remove any
cover or attempt to gain access to the inside of
the product. Refer all servicing to qualified
personnel.

CLASS 1
LASER PRODUCT

(Rear of product)

Laser Diode Properties
Material: AIGaInP
Wave length: 650 nm
Emission Duration: Continuous
Laser output: Max. 0.7 mW

Power Cord Protection

To avoid any malfunctions of the unit, and to protect

against electric shock, fire or personal injury, please

observe the following.

- Hold the plug firmly when connecting or
disconnecting the AC power cord.

- Keep the AC power cord away from heating
appliances.

- Never put any heavy object on the AC power cord.

- Do not attempt to repair or reconstruct the AC
power cord in any way.

VARO! AVATTAESSA OLET A LTTI INA LASERSATEILYLLE.

5A1 31 VI CAUTION: CUISS SE VISIBLE AND INVISIBLE LASER RADIATION

WHEN OPEN. AVOID EXPOSURE TOTHE BEAM.

VORSKIHT: BEl GEDFFNETER AEDEWUNG lSl' SICHYBARE UND
UNSICHTBARE LASERSYRAHLUNG DER KLASSE 35 lM
GERATENNEREN VORHAMDEN. NIGHT DEM LASERSTRAHL
MSSEXZEM

ATTENTION 1 HADIATIDNS LASER VISIBLES ET INVISIBLES DE CLASSE
EB UUAND OWEN. EVITEZTOUT EXPOSlTION AU FAISCEALI.

VARNING: KLASS SE SYNLLG OCH DSYNLIG LASERSTRALNING NAR DENNA DELAR
OWN). UNIWIK m UTSATI'A DIG FOR STRALEN.

vmox: Awmsssmm ALTTIINA NAKVVALLE JA MAKYMATTOMLLE LUOKAN as
LASERSATEILVLLE. ALA mso SATEESEEN.

AWARSEL KLASSE 38 SYNLIG CG USVNLIG LASERSTRALING HVIS DENNE DELEN AFNES.
UNNGA A ELI EKSPONEHT FOR STRALEN.

AWARSEL KLASSE SB SYNLIG OE USYNLIG LASERSTRALING VEDABNING, UNDGA
UDSIFFI'ELSE FDR STRALlNG.

Eli: CCEM < 6: CLASS SBIDEHE Lx-tffiEKtUmfi U-tffiténltlfifi.

E-AEEEEf: O \ 821T: 0 mm: a .

ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.

VARNING - LASERSTRALNING NAR DENNA DEL AR OPPNAD.
STIRRA EJ IN STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT

INSTRUMENT.