Philips BDP7500B2 Service Manual page 50

Repair the BD set
with mainboard
issue
Order new
mainboard for
repair
Check the original
BD loader
If there is a N
digits label
attached on the
loader?
Yes
Record all N digits
and then continue
to exchange the
new board
Download the
latest SW and
proceed upgrade
Follow appendix A
to enter "Service
Mode" for OPU
and new
mainboard
alignment
Finished alignment
and then normal
functional check,
return to consumer
if no issue
Note: N digits can be N=3,6,...
No
If no label found,
go to the text file to
check production
data
Follow appendix B
to get the N digits
for OPU and new
mainboard
alignment
Can you find
the N digits?
Yes
place sticker with
mainboard alignment with original loader, please
N digits on the
loader for future
because only new loader will attach the N digits
repairs
No
In this case, we cannot proceed OPU and new
exchange old loader with new one together,
label