Philips BDP7500B2 Service Manual page 51

Appendix A – how to proceed OPU and mainboard alignment?
1. Record all the N digits on attached label of the original loader or new loader spare part
(if replaced a new loader), for example:
Note: Some sets do not have this label, please follow appendix B to get the N digits from
text file and program. After that,
repairs.
2. Power on the set and connect with TV, press "5" "1" "7" "7" by remote control when in
the HOME menu, it will enter a special menu with 6 options. Use "Up" and "Down"
button by remote control to select option "[5] Service"
3. When you see this screen, please plug a USB drive. After that press "Enter" to install
barcode.
Note: We need to plug‐in USB drive otherwise you cannot proceed to next step. This is
for saving data in case of failure happen, and then loader supplier could use this
information to investigate.
place a sticker with "N digits" on the loader for future