Firmware Renewal Mode - Sylvania LC427SSX Service Manual

Equipment Required
a. USB memory
b. Remote Control Unit
Firmware Update Procedure
Note: There are two states (the User Upgrade and
the Factory Upgrade) in firmware update.
User Upgrade Upgrade the firmware only.
The setting values are not
initialized.
Factory upgrade Upgrade the firmware and
initialize the setting values.
The identification of User Upgrade and Factory
Upgrade are done by the filename.
1. Turn the power off and unplug the AC Cord.
2. Insert the USB memory to the USB port as shown
below.
Rear Cabinet
3. Plug the AC cord in the wall outlet and turn the
power on.
4. The update will start and the following will appear
on the screen.
Software Upgrade
Software upgrade in progress. Please wait.
Do not remove the USB device or turn the TV off
while upgrade is in progress.
*1
Downloading...
0%
Note: If the above screen isn't displayed, repeat from
step 1.

FIRMWARE RENEWAL MODE

Service
Terminal
USB Memory
The appearance shown in *1 is described as follows.
Appearance
Downloading the firmware from
Downloading...
the USB memory.
Writing the downloaded firmware
Writing...
in flash memory.
Checking... Checking the new firmware.
5. When the firmware update is completed, the
following will appear on the screen.
Software Upgrade
The software upgrade is completed.
Remove USB storage device, unplug and replug power code.
Unplug the AC cord and kindly remove the USB
memory from the USB port. Plug the AC cord in
the wall outlet again and turn the power on.
Note:
When the Factory Upgrade is used, after restating
TV, shift to initial screen menu in service mode.
"INITIALIZED" will appear on the upper left of the
screen. "INITIALIZED" color will change to green
from red when initializing is complete.
7-1
State
A91H1FW