FUNAI LT850-M26 - SERVICE, Service Manual

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7-1 LC8.5FW
FIRMWARE RENEWAL MODE
Equipment Required
a. USB storage device
b. Remote Control Unit
Firmware Update Procedure
[Check the current version]
1. Press [MENU] button on the remote control unit to
display the menu mode.
2. Press [
ÅK
] or [
ÅL
] to select “OTHERS”, then press
[OK] button.
3. Press [
ÅK
] or [
ÅL
] to select “Software”, then press
[OK] button.
The current FW version will be displayed.
[Preparation]
1. Prepare USB storage device.
2. Copy F/W-file (ecc file) to USB storage device.
Note: Make sure to use the blank USB Storage.
3. Rename the F/W-file’s name.
Step1. Add the “_F” at the end of the name.
(If the file name in USB says
“ZF6731915NOS-030-05.ecc”,
the new file name should be
“ZF6731915NOS-030-05_F.ecc”.)
Step2. The 6th and 7th digit of the file name
indicate the size of TV. If the size of your
TV and the file name were not the same,
you must change the file name.
[Update procedure]
1. Plug in the AC power cord.
2. Press [ ] button on the remote control unit to turn
off (standby).
3. Check “STAND BY” indicator (Red LED) lighting.
4. Insert USB storage device with F/W to TV set.
5. Press [ ] button to turn on.
6. After approximately 70 seconds, the following will
appear on the screen and the update begins
automatically.
Note: Do not turn off the TV set and do not
remove the USB storage device while this
procedure.
The update will be completed in about 2 minutes.
And the following screen appears.
7. Press [ ] button to turn off (standby).
8. Check “STAND BY” indicator (Red LED) lighting.
9. Remove USB storage device from TV set.
10. Press [ ] button to turn on.
(Example)
The software upgrade is completed.
Remove USB storage device, turn TV off and then on again.
(Example)