Sony BVM-L230 Service Manual page 36

3. Data Update
(Only for S/N:2000009 to 2000126)
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The following procedure is not required in the case that the
unit has the serial number 2000009 to 2000126 and the
LCD unit is already replaced. The required data is imple-
mented in the LCD unit (for service).
(1) Set the switch (S7012) on the B board to the left
position when viewed from the back.
(2) Turn on the power of this unit.
(3) Start BVM-BLM Writer.
(BVM-BLM Writer Ver. 1.00)
xxx/BVML_replace_board/Tool/BVMWriter/
BVMWriter.exe
(xxx: Specify the place where
BVML_replace_board.zip is decompressed.)
(4) Set the COM PORT of PC to be used.
(5) Click the [EEP|Write] button, and then specify the
NVM data of backlight as specified by the Light
Source type file "LS.xls".
Light Source type file:
xxx/BVML_replace_board/Tool/LS.xls
(xxx: Specify the place where
BVML_replace_board.zip is decompressed.)
Light Source Pattern
LM + LL
MM + LM
S2S + M2S
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Besides the above NVM data (*.eep), the MASK file
(*.vma) is prestored in pairs in the folder where BVM-
BLM Writer is installed.
It is required that the NVM data (*.eep) and MASK
file (*.vma) have the same file name and are stored in
the same folder. Without the MASK file (*.vma), the
adjustment data of the backlight portion is lost.
Therefore, be extremely careful.
(6) Click [Open] button.
The writing is started.
(7) Turn off the power of this unit.
(8) Set the switch (S7012) on the B board to the center
position.
L C R
S7012/B board
1-30
NVM File Name
led_bl_v1101_a.eep
led_bl_v1101_b.eep
led_bl_v1101_c.eep
S7012/B board
(4) (5)
L C R
BVM-L230