XG-C50XE (serv.man46). Update of software - Sharp Projector Technical Bulletin (repair manual). Page 7

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Sharp Electronics (UK) Ltd., Technical Services Group
Caution: Never turn off the projector or unplug the AC cord while transferring the data. If it
is done, the projector becomes unable to turn the power on.
In case of this, recover the projector by taking the following steps.
(1) Remove the top and the back side cabinet of the projector.
(2) Set the switch on the PC board to the “WRITE” side.
(3) Plug the AC cord.
(4) Take the steps again from the step 8.
(5) After transferring the data, set the switch on the PC board to the “NORMAL”
side.
15. Unplug the AC cord.
16. Plug in the AC cord and then call the process mode.
16. From the process menu, select the “SPECIAL”.
Make sure that the “PRG VER” is changed to “1203”.
17. Turn off the projector.
The update is completed.
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