Technical Description; Specification Of Key For Ci Plus, Dtcp-Ip And One-To-One; General Information; Replacement Of Ics - Panasonic TX-L42D25B Service Manual

Technical Description

Specification of KEY for CI Plus, DTCP-IP and One-to-One

General information:

1. EEPROM (IC8950) for spare parts has the seed of KEY for each.
2. The final KEY data will be generated by LDA2 IC (IC8000) when SELF CHECK was done and are stored in both LDA2 IC
(IC8000) 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.

Replacement of ICs:

When LDA2 IC (IC8000) is replaced, EEPROM (IC8950) should be also replaced with new one the same time.
When EEPROM (IC8950) is replaced, LDA2 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.

Model and Keys:

Model No.
TX-L42D25B
TX-L42D26B
CI PLUS DTCP-IP
None
None
10
Keys
One-to_one
(for USB Rec.)
YES YES
YES YES