Sharp LC-49CFE4041E, Service Manual

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Warning
: Make sure connect the 12V to 12V and GND to GND, or it will cause hardware damage.
We use this board to protect the safety of personnel and equipment as much as possible during
the upgrading. The main board should be connected to mains to work if we do not use the
CN.UPGRADE01 board. The power module of main board have more than thousands of volts at
working. It is easily leads personal injury or damage to equipment if staffs mistakenly touch the
main board or some objects fallen into the main board during the upgrading procedure. So we
use the CN.UPGRADE01 board to reduce the risk of upgrading.
6.3 User menu Upgrading
Warning
: Please keep the electricity on in the upgrade process.
A Operation Procedure
Copy the Upgrading File (SW) to a USB disk and then insert it to the USB port. Search for the
SETUP and select Software Update by L/R remote control key on User OSD Menu. The pictures
below are the upgrading procedure for your reference: