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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c FIRMWARE UPDATING
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<Updating RADF ROM>
(1) Install the ROM to the download jig.
Make sure the direction is correct ( P.6-3 " K-PWA-DLM-320").
(2) Shut down the equipment.
(3) Take off the RADF rear cover.
Fig.6-14
(4) Connect the download jig with the jig connector (CN81) on the RADF control PC board.
Fig.6-15
(5) Turn ON the power while [0] button and [8] button are pressed simultaneously.
Updating starts automatically and the LED on the download jig lights.
(6) After the update is completed properly, the LED on the download jig blinks slowly (at an interval
of approx. 0.8 sec.). The LED starts blinking in approx. 15 sec. since the update starts. It is
assumed that the update is failed if it does not start blinking even though 1 min. has passed or
the LED blinks fast (at an interval of approx. 0.1 sec.). In this case, turn OFF the power and
check the following items. Then, clear the problem and restart updating from the beginning.
• Is the download jig connected properly?
• Is the ROM installed to the download jig properly?
• Is the updating data written on the ROM of the download jig properly?
• Do the download jig and the equipment operate properly?
(7) Turn OFF the power, remove the download jig and install the RADF rear cover.
RADF rear cover
Connector