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BU Replacement

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

 

                   BDP Player 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!

No

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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]

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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

 

Note: Please do the following work when you replace the optical device.

1. Install it in PC after downloading two set of software from following URL.
 

(Refer to “1-4-8. BU Data Decode Jig” on page 1-19)

 STEP 

1

 

Microsoft .NET Framework Version 2.0 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

2. Take a photograph of the bar code on the optical device. The valid bar code photo as shown in Fig.2

Fig.2

 
3.   Drag-and-drop the bar code photograph to the icon of decode software (BDPRdec).

 

* The decode software is a complete set of “BDPRdec”, “Tasman.Bars.dll”, and “SavePath”.

 

* Because decode software cannot be attached, it separately distributes it.

4.   Input the password when you start decode software.
 

* Inquire of each service headquarters because the password cannot be disclosed.

5.   Write the decode data to the set.
 

(Refer to “1-4-4. BU (Optical Block) Repair Guide” on page 1-16 and “1-4-5. BU Adjustment Flow [yy]” on page 1-17) 

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           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.

Following peel off condition are acceptable

1-2-2. In case of BU assy replacement:
             1. OP related data for new assy is controlled by BU factory
             2. All of data is recorded into a barcode label
             3. The label is put on the assy
             4. Service parts will be followed
             5. In service, the data should be read out from problem assy
             6. The read data should be saved to new assy

1-2-3. Fact fi nding:
             1. The label is “DATA MATRIX” format
             2. The number of data is 91 words
             3. The method of reading and saving is required when BU and main board are replaced.

1-2-4. New service method
             1. All of BU data on the barcode label is shot by digital camera in order to make a JPEG fi le of BU data.
             2. Application software in the PC makes digital data from JPEG fi le.
             3. The converted data is stored to USB memory.
             4. The USB memory is connected to BDP Player unit.
             5. In service mode, there is a command to save the data from USB memory to board memory.

Description: BDPRdec.exe

          When instruction to PC, password is required. The password will be supplied to only service HQ, and service center name, 
q’ty and all of software registered information should be maintained by service HQ, and Video will ask to report the 
registration information.

Shoot the barcode

Format is JPEG

Save the TEXT data

USB device is connected
to         symbol and the
TEXT data as new data is
loaded to unit by service
mode.     

s

Application Software
Data convert from
JPEG      TEXT

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