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BU Replacement

Optical Block Unit (BU) IOP check fl ow (zz) ~ [Before BU Replacement]

• 

ESD Measures 
It is necessary to check the working space ESD condition
before starting the Drive Part (BU) repairs
The ESD-resistance of BD Laser is weaker than DVD/CD Laser
To prevent ESD destruction, please make sure the working
space and human ESD.

• 
• 
1-2-2  BU (Optical Block) Repair Guide

                   BDP set series component structure is as same as conventional DVD Players.
            However BD player requires precise read out functions and also secure contents Protection system.
            Since above requirement, it is necessary to set/adjust BU data to EEPROM.

            The following cases need Adjustments;
 

(1)Replace BU (MB is original)

 

(2)Replace MB (BU is original)

 

(3)Replace both BU and MB

            •JIG Requirement
 

Digital camera (recommend with macro mode)

 

Barcode decoder (BDPRdec_ver3.0) installed in JIG PC’s

 USB 

memory

 

ESD work bench

            •Procedure (all cases) Refer the diagram

         Remarks:

                The servo adjustment procedure will be carried out during OP data Writing.

         There is no manual adjustment procedure. LD ON TIME history doesn’t carry over.

         Do not touch any optical block parts, Turn Table and during replacing. BD Laser diode

         is very sensitive!

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Enter Service Mode

Press <OPEN/CLOSE>, <PLAY>,<STOP>

and plug in AC Power

Inside *Service Mode Menu

Select [8] Drive

Inside *Drive

Select [7] OP Check Menu

Inside *OP Check Menu

Select [3] dIOP then press ‘ENTER’

Specifi cation dIOP

BD: ± 6mA

DVD, CD: ± 9mA

AC Power OFF

IOP out of specifi cation need BU

replacement

Optical Block Unit (BU) replace

(Flowchart yy)

Optical Block Unit (BU) OP Data Write Flow (yy) ~ [After BU/MB Replacement]

KEM-480AAA/C2RP1
Packing Spec.

KEM-480AAA/C2RP2

Don’t touch the area!!

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Remove the defective BU from Loading

Assy and also remove BU insulator (4pcs)

 The following cases need OP Data Write:
     (1) Replace BU (MB is original)
     (2) Replace MB (BU is original)
     (3) Replace b oth BU and MB
 JIG req uirement
     Digitalcamera (with macro mode)
     Barcode decoder (BDPRdec.exe)
     installed in jig
     PC’s (jig purpose)
     USB memory
     ESD free work bench

Unpack new BU and take OP Data Barcode

photo by camera

Assemble BU with Insulators to Loading

As sy (tighten screw wi th 2kgf)

Decode the OP Data Barcode photo using

BDPRdec.exe and save the test data to

USB memory 

(File Name: BuData.txt)

Enter Service Mode and insert USB memory

to USB connector

Select [8] Drive -->

Selec t [1] Drive OP data W rite -->

Select mode : 1 or 2

Press ENT ER

  Explanation :
               Mode 1 : BDV set
               Mode 2 : BDP set

After Finishing ReWrite OP data

--> Turn AC Power OFF

And confi rm dIOP by select [7] OP Check

Menu to verify IOP in specifi cation

IOP in specifi cation --> Turn AC Power OFF

Turn Power ON and check playback

performance using BD, DVD and CD

BLX-104

DVD: HLX-513
CD: HLX-A1

• 

JIG Name : BDPRdec.exe

• 

Release : 2011.8.25

• 

Version : 3.0.0.0

• Software Contents

 

BDPRdec.exe ; Software

 

SavePath.ini ; Decoded fi le destination setting fi le

 

        (initial destination is C:\BuData.txt)

 

TasmanBars.dll ; decode dll

 

Uninst.exe ; unregistration BDPRdec.exe from PC

• Installations

 1. 

Unzip 

fi les to any PC Folder

 

2.Check the attached 2D code photo(OK_sample.JPG) drag-and-drop onto BDPRdec.exe, the

    

   Password will be required at fi rst time only, no need P/W from second time.

 

3.If there is the error message (.NET frame work requirements) please apply

 

   Microsoft .NET Framework 2.0 (or 2.0 SP1) from Microsoft download site.

 STEP 

1

 

   Microsoft .NET Framework Version 3.5 Redistributable Package (x86)

 

   http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=0856eacb-4362-4b0d-8edd-aab15c5e04f5

 STEP 

2

 

   Microsoft .NET Framework 2.0 Service Pack 1 (x86)

 

   http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=79bc3b77-e02c-4ad3-aacf-a7633f706ba5

•  How to use

 Case1
 

   Drag-and-drop 2Dcode photo onto BDPRdec.exe

 Case2
 

   Drag-and-drop BU data fi le onto BDPRdec.exe

 

   Data fi le name be changed to specify format and end of 7 character are defi ned

 

   Player : ****BDP.txt

 

   Recoder: ****BRD.txt

 

   #You can also enter the fi le path at the prompt.

• Remarks

  

Do not change the decoded fi le name “BuData.txt”.

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BDP 8G Loading Assy service parts consists from 2 parts.

 

1  Holder, Chuck Assy

 

2  Loading Assy

Currently these parts are producing by 2 vendors. Please

 1  and  2  (From different vendor)

because 

Original “Loading for service” part number is A-1850-153-C

           The Loading Assy service parts do not have Laser Caution Label. So that please reuse the original Laser Caution label 
and paste it on top of new Loading Assy.

Loading Assy

Laser Caution Label

Holder, Chuck Assy

䐟

䐠

FFC OPT

FFC SPD

FFC LDG

1-848-104-11

1-839-541-31

Following peel off condition are acceptable

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