15
TPE1.0U LA
5. Service Modes, Error Codes and Fault Finding
5.9.4 Stand-by Software Upgrade
It will be possible to upgrade the Stand-by software via a PC
and the ComPair interface. Check paragraph ComPair on
how to connect the interface. To upgrade the Stand-by
software, use the following steps:
1. Disconnect the TV from the Mains/AC Power.
2. Short circuit the SPI pins [2] on the SSB. They are located
outside the shielding (see figure SPI service pads).
3. Keep the SPI pins shorted while connecting the TV to the
Mains/AC Power.
4. Release the short circuit after approx. two seconds.
5. Start up HyperTerminal (can be found in every Windows
application via Programs -> Accessories ->
Communications -> HyperTerminal. Use the following
settings:
- COM1
- Bits per second = 19200
- Data bits = 8
- Parity = none
- Stop bits = 1
- Flow control = Xon / Xoff.
""
""
""
""" "
6. Press Shift U on your PC keyboard. You should now see
the following info:
- PNX2015 Loader V1.0
- 19-09-2003
- DEVID=0x05
- Erasing
- MCSUM=0x0000
-=
7. If you do not see the above info, restart the above
procedure, and check your HyperTerminal settings and the
connections between PC and TV.
8. Via Transfer -> Send text file ... ,you can send the
proper upgrade file to the TV. This file will be distributed via
the Service Organization.
9. After successful programming, you must see the following info:
- DCSUM=0xECB3
- :Ok
- MCSUM=0xECB3
- Programming
- PCSUM=0xECB3
- Finished
10. If you do not see this info, restart the complete procedure.
11. Close HyperTerminal.
12. Disconnect and connect Mains/AC Power again.
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