PG-M25XE (serv.man38). Intermittent start-up shut down (locks up) - Sharp Projector Technical Bulletin (repair manual). Page 25

LV064

Sharp Electronics (UK) Ltd., Technical Services Group

Note: Be sure to write down the current program version.
(4)  Select “SPECIAL” from the process menu and press ENTER button.
(5)  Select “USB-MODE” and then press the X button to set the value to 1 from 0.
(6)  Select “IPL2” and then press the ENTER button.
(7)  The lamp of the projector goes to off and the projector starts the cooling. Wait

for about 60 seconds.

(8)  Disconnect the power cord.
(9)  Wait about 5 seconds, and then connect the power cord.

Note: Be sure to surely connect the AC cord. If the AC cord is disconnected
during updating, the data in the flash memory may be corrupted and the
projector may become unable to operate.

(10) If the projector has changed to the following condition, the projector is in the

standby mode to write the firmware. If so, connect the USB cable.

Power indicator

:

Green (kept on)

Other indicator

:

Off (kept off)

Fan

:

Stop

(11) If the projector does not change to the above status, take the steps again from

the previous step 1-1(2).

1-2. Writing the firmware 

In case of “AA” version & Other version

(1)  Start the Tera Term Pro from Windows “Start” button.

If the “Tera Term:Error” dialog box appear, click ”OK”, and then proceed in the
next step.