Panasonic TX-55CX670E, Service Manual

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5 Technical Descriptions
5.1. Specification of KEY for CI Plus, DTCP-IP, One-to-One, Widevine, Netflix
and HDCP
5.1.1. General information:
1. eMMC (IC8920) for spare parts has the seed of KEY for each.
2. The final KEY data will be generated by Main IC (IC8000) when SELF CHECK was done and are stored in both Main IC
(IC8000) and eMMC (IC8920).
All KEY are not generated for all models.
The necessary KEY are only generated and stored depend on the feature of models.
5.1.2. Replacement of ICs:
When Main IC (IC8000) is replaced, eMMC (IC8920) should be also replaced with new one the same time.
When eMMC (IC8920) is replaced, Main IC (IC8000) is not necessary to be replaced the same time.
After the replacement of IC, SELF CHECK should be done to generate the final KEY data.
How to SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more
than 3 seconds.
TV will be forced to the factory shipment setting after this SELF CHECK.
5.1.3. Model and Keys:
Model No. Keys
One-to-One
(For USB Rec.)
CI Plus DTCP-IP WIDEVINE Netflix HDCP2.2
TX-55CX670E None Yes Yes Yes Yes Yes
TX-55CX680E None Yes Yes Yes Yes Yes
TX-55CXR700 None Yes None Yes Yes Yes