Philips 22HFL5530H-27 Service Manual page 31

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How to start the "back-up software upgrade application"
manually:
1. Disconnect the TV from the Mains/AC Power.
2. Press the "CURSOR DOWN" button on a Philips DVD RC-
6 remote control (it is also possible to use the TV remote in
"DVD" mode). Keep the "cursor down" button pressed
while reconnecting the TV to the Mains/AC Power.
3. The software upgrade application will start.
5.10.4 Stand-by Software Upgrade
There are two methods now to upgrade stand-by software:
Upgrade via USB
In this chassis it is possible to upgrade the Stand-by software
via a USB stick. The method is similar to upgrading the main
software via USB.
Use the following steps:
1. Create a directory "UPGRADES" on your USB stick.
2. Copy the Stand-by software (part of the one-zip file, e.g.
StandbySW_CFT01_9.0.0.0.upg) into this directory.
3. Insert the USB stick into the TV.
4. Start the download application manually (see paragraph
"Manual start of the Software Upgrade Application".
5. Select the appropriate file and press the "red" button to
upgrade.
Upgrade via PC and ComPair interface
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 (see figure
"Service mode pads" earlier in this chapter).
3. Keep the SPI pins shorted while connecting the TV to the
Mains/AC Power.
4. Release the short circuit after approximately two seconds.
5. Start up Hyper Terminal (can be found in every Windows
application via Programs -> Accessories ->
Communications -> Hyper Terminal). Use the following
settings:
COM1
Bits per second = 38400 (9600)*
Data bits = 8
Parity = none
Stop bits = 1
Flow control = None
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 Hyper Terminal settings and
the connections between PC and TV.
8. Via "Transfer" -> "Send text file ...", you can send the
proper upgrade file to the TV (e.g. *.hex).
9. After successful programming, you must see the following
info (this can take several minutes!):
DCSUM=0xC67E
:Ok
MCSUM=0xC67E
Programming
PCSUM=0xC67E
Finished
10. If you do not see this info, restart the complete procedure.
11. Close Hyper Terminal.
12. Disconnect and connect Mains/AC Power again.
(*) When having problems with upgrading, use the values
between brackets.
Service Modes, Error Codes, and Fault Finding
PB52.1HU LB
5.
EN 31

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