Tuesday, July 19, 2016

How to update the Firmware, Bar code scan, Laser diode [LD] check - LG BP155 Blu-ray disc and DVD player

How to update the firmware LG BP155 Network 3D Blu-Ray disc – DVD player
Update File Name: LG_BD_8100M60.ROM
1) An update file have to be copied onto the root of file system.
2) USB and CD-ROM are able to use firmware update.
1) Insert USB or CD-ROM which has an update file.
2) OSD responds to the insertion event.
3) OSD is shown as below
1) Progressive bar is shown on the update time repeatedly.
2) Tray is opened.
After completion of the update:
1) Power off / on automatically after update complete.
2) Tray will be closed.
LD CHECK GUIDE
If LD (Laser Diode) have problem, disc reading problem can happen.  So it is needed to check LD status.
1) Power on the set.
2 ) Press Settings
3) Under DISPLAY highlighted condition, press 5 > 1 > 7 > 7 > 7 > 7 > 7 > Enter on the remote controller to display special mode.
Move to the [1] Laser Check and click.
4 ) Check result is shown automatically.  If you will see “PASS”, BD/DVD/CD LD status is OK.

BARCODE SCAN
PURPOSE
We have to scan barcode of SONY OPU and save barcode information into main PCB to read disc well because this barcode includes different optimal value according to OPU.  So we have to use matched barcode.
REQUIRED TO INSERT NEW BARCODE VALUE
- After changing traverse.
- After changing main board assembly.
- After changing main board flash IC.
METHOD
There are 2 ways to save barcode information.
1) Use 2D barcode scanner. ( If there is 2D barcode scanner, use this method. )
2) Save default barcode information into USB.
PROCEDURE
Use 2D barcode scanner
1) Power on the set.
2 ) Press settings.
3) Under DISPLAY highlighted condition, press 5 > 1 > 7> 7 > 7 > 7 > 7 > ‘Enter’ on the remote controller to display special mode.  Move to the [4] Scan Barcode and click.
4 ) Connect Bar-code Scanner with USB port and read barcode.
5 ) If Bar-code scan result is OK, it is shown as in figure.
Use USB
1) Copy DEFAULT_BARCODE Folder into USB.  The folder include txt file as right figure.
2) Power on the set
3) Insert USB with the set and If USB is recognized, barcode is downloaded automatically.
Click on the pictures to magnify