Appendix A: Encryption Key Components - Sony KDL-52S4100 Service Manual

Encryption key components developed by Sony Corporation contain confi dential
information, and shall be handled under the non-disclosure obligations provided in the
applicable agreement with Sony Corporation (and/or its subsidiary).
As part of this agreement specifi c instructions must be adhered to whenever a Circuit
Board containing encryption key components is repaired and/or replaced pursuant to the
following:
1) In the service manual the Circuit Board(s) containing encryption key components
shall be identifi ed with a red outline and a .
2) Only repair boards or components listed in the service manual shall be utilized for
replacement and/or repair.
3) Disassembly, decryption, or reverse-engineering component(s) is strictly prohibited.
4) Any board in which the Servicer replaces an encryption key component must be
placed back into the set it orignally came from and the replaced defective component
MUST BE DESTROYED. Boards cannot be swapped.
5) If a Circuit Board identifi ed with a red outline and a in the service manual is deemed
to be defective:
a) and if a core charge is imposed and is covered under the product warranty, the
defective un-repaired or modifi ed board MUST BE RETURNED to Sony.
b) and if the core charge is NOT covered under the product warranty, the defective
un-repaired or modifi ed board MUST BE DESTROYED.
5) If a unit is destroyed (such as fi eld scrap), the Circuit Board identifi ed with a
red outline and a in the service manual MUST BE DESTROYED.
KDL-52S4100

APPENDIX A: ENCRYPTION KEY COMPONENTS

KDL-52S4100
A-1