KDL-40EX645, KDL-46EX641, KDL-46EX645, KDL-50EX645, KDL-55EX645 - Sony TV Service Manual (repair manual). Page 50

KDL-40EX640/46EX640/55EX640 A-1

Encryption key components developed by Sony Corporation contain confidential informationand 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 specific 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 identified 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 identified 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 modified board MUST BE RETURNED 

to Sony.

b.  and if the core charge is NOT covered under the product warranty, the defective un-repaired or modified board MUST BE DESTROYED.

6.  If a unit is destroyed (such as field scrap), the Circuit Board identified with a red outline and a   in the service manual MUST BE DESTROYED.