Sony BDP-BX58 Service Manual page 24

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
Fact finding:
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.
New service method
1. All of BU data on the barcode label is shot by digital camera in
order to make a JPEG file of BU data.
2. Application software in the PC makes digital data from JPEG file.
3. The converted data is stored to USB memory.
4. The USB memory is connected to BDP 6G unit.
5. In service mode, there is a command to save the data from USB
memory to board memory.
BDP-BX58/S480/S483/S580
1-21