Service Modes, Error Codes, and Fault Finding
5.
5.8.6
Display option code
Caution:
In case you have replaced the SSB, always check the
display option code in SAM, even if you have picture. With a
wrong display option code it is possible that you have picture,
but that in certain conditions you have unwanted side-effects.
5.8.7
Upgrade EDID NVM
To upgrade the EDID NVM you must short circuit pin 7 of the
EDID NVM to ground. Therefore some test points (EDID1,
EDID2 and EDID3) are foreseen next to the HDMI connectors
(figure “EDID-NVM pins”). See ComPair for further instructions.
Figure 5-16 EDID-NVM pins
5.9
Software Upgrading
5.9.1
Introduction
The set software and security keys are stored in a NAND-
Flash, which is connected to the PNX85xx via the PCI bus.
It is possible
for the user
to upgrade the
main
software via the
USB port. This allows replacement of a software image in a
stand alone set, without the need of an E-JTAG debugger. A
description on how to upgrade the main software can be found
in the DFU.
Important:
When the NAND-Flash must be replaced, a new
SSB must be ordered, due to the presence of the security
keys!!! (copy protection keys, MAC address, ...).
Perform the following actions after SSB replacement:
1.
Set the correct option codes (see sticker inside the TV).
2.
Update the TV software (see the DFU for instructions).
3.
Perform the alignments as described in chapter 8 (section
“Reset of Repaired SSB”).
4.
Check in CSM if the HDMI keys are valid.
5.9.2
Main Software Upgrade
The software image resides in the NAND-Flash, and is
formatted in the following way (refer to figure “NAND-flash
content”):
Figure 5-17 NAND-Flash content
•
The above overview of the NAND Flash shows the content
of the different partitions. It also shows which part of the
one-zip file erases and programs which part of the NAND
Flash.
•
Remark: the above does not mean that you can reprogram
your HDMI keys with the “UpgradeAll.upg” file from the one
zip file. This can only be done in a secure environment (e.g.
the factory).
•
The “UpgradeAll.upg” file is only used in the factory.
•
The “FlashUtils.upg” file is only used by service centres
which are allowed to do component level repair on the
SSB.
Automatic Software Upgrade
In “normal” conditions, so when there is no major problem with
the TV, the main software and the default software upgrade
application can be upgraded with the “AUTORUN.UPG” (FUS
part of the one-zip file: e.g. 3104 337 03801 _FUS _Q582E_
0.37.0.0_commercial.zip). This can also be done by the
consumers themselves, but they will have to get their software
from the commercial Philips website or via the Software Update
Assistant in the user menu (see DFU). The “autorun.upg” file
must be placed in the root of your USB stick.
How to upgrade:
1.
Copy “AUTORUN.UPG” to the root of your USB stick.
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