Panasonic Viera TX-P42S20E, Service Manual

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5 Technical Descriptions
5.1. Specification of KEY for CI Plus, DTCP-IP and One-to-One
5.1.1. General information:
1. EEPROM (IC8950) for spare parts has the seed of KEY for each.
2. The final KEY data will be generated by Peaks IC (IC8001) when SELF CHECK was done and are stored in both Peaks IC
(IC8001) and EEPROM (IC8950).
Three 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 Peaks IC (IC8001) is replaced, EEPROM (IC8950) should be also replaced with new one the same time.
When EEPROM (IC8950) is replaced, Peaks IC (IC8001) 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
CI Plus DTCP-IP One-to-O ne
(For USB Rec.)
TX-P42S20E Yes None None
TX-P42S20ES Yes None None
TX-P42S20L Yes None None
TX-PF42S20 None None None
TX-PR 42S20 None None None
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