TX-L42ET60B, TX-L42ET60Y, TX-LR42ET60 - Panasonic TV Service Manual (repair manual). Page 11

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Technical Description 
Specification of KEY for CI Plus, DTCP-IP, One-to-One, Netflix, Widewine and HDCP 
General information: 
1. NAND FLASH (IC8900) for spare parts has the seed of KEY for each. 
2. The final KEY data will be generated by MT5590 IC (IC8000) when SELF CHECK was done and are stored in both  
    MT5590 IC (IC8000) and  NAND FLASH (IC8900). 
    All KEYs are not generated for all models. 
    The necessary KEY are only generated and stored depend on the feature of models. 
 
Replacement of ICs: 
When MT5590 IC (IC8000) is replaced, NAND FLASH (IC8900) should be also replaced with new one the same time. 
When NAND FLASH (IC8900) is replaced, MT5590 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 the MENU button on the remote 
control for more than 3 seconds. 
TV will be forced to the factory shipment setting after this SELF CHECK. 
 
 
Model and Keys: 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Keys 
Model No. 
CI PLUS 
DTCP-IP 
One-to-One 
(for USB Rec.)
 
Netflix 
Widewine 
HDCP 
TX-L42ET60B Yes 
Yes None  Yes  Yes 
TX-L42ET60Y Yes 
Yes None  Yes  Yes 
TX-LR42ET60 Yes 
None None  Yes  Yes 
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