Technical Description; Specification Of Key For Dtcp-Ip; Widevine, Hdcp1.4, Hdcp2.2, Nagra Drm; General Information - Panasonic TX-49GXF937 Service Manual

Technical Description

Specification of KEY for DTCP-IP, C2MOD, CI+, CI+ECP, DIMORA, NETFLIX,

WIDEVINE, HDCP1.4, HDCP2.2, NAGRA DRM

General information:

1. eMMc Memory(IC8920) for spare parts has the seed of KEY for each.
2. The final KEY data will be generated by MTK IC (IC8000) when SELF CHECK was done and are stored in both
MTK IC (IC8000) and eMMc (IC8920).
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 MTK IC (IC8000) is replaced, eMMc (IC8920) should be also replaced with new one the same time.
When eMMc Memory(IC8920) is replaced, MTK 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.
Note:
Keys HDCP1.4 (SINK) for MTK and HDCP2.2 (SINK) for MTK HDMI are not displayed in SELF CHECK.
Connect the 4K60Hz with HDCP2.2 compatible equipment to HDMI1/2/3 for verification of key [HDCP2.2 (SINK)
for MTK HDMI].
Connect the 4K30Hz compatible equipment to HDMI1/2/3 for verification of key HDCP1.4 (SINK) for MTK.
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:

Model No.
DTCP-IP
for MTK
TX-49GXF937 Yes
TX-49GXN938 Yes
TX-49GXT936 Yes
TX-49GXX939 Yes
* Note: Because of NAGRA security requirement, rewriting NAGRA key is required when replacing IC8000 and IC8920
or IC8920 itself.

USB HDD Recording:

General information:
Digital TV programmes can be recorded in USB HDD.
C2MOD key generated in A-board by SELF CHECK binds TV and USB-HDD for communication.
That key is only one key for them. If the key is different, TV can not access USB-HDD.
Caution:
New key will be generated by following SELF CHECK and previous TV programmes recorded in USB HDD will not be
viewed.
SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the MENU button on the remote control for more
then 3 seconds.
CI+ V1.4 HDCP1.4
C2MOD ECP DIMORA (SINK)
for MTK for MTK
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
12
Keys
HDCP2.2
HDCP2.2
(SINK)
(SINK)
for MTK
for MTK
HDMI
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
NETFLIX CI+ECP
NAGRA*
WIDEVINE for MTK
DRM
MAC (4K) 2019
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes