Toshiba E-STUDIO520, Service Manual, Page: 513 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 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 "Fig.6-2 Jig board: K-PWA-DLM-320").
(2) Shut down the equipment.
(3) Take off the connector cover on the ADF rear cover.
(4) Connect the downloading jig with the jig connector (J3) on the ADF board (ROM attached side
upward).
Fig.6-26
(5) Open the front cover.
(6) Turn ON the power while [0] button and [8] button are pressed simultaneously.
Updating starts automatically and the LED on the download jig lights.
(7) After the update is completed properly, the LED on the download jig blinks. The LED starts blink-
ing 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. In this case, turn OFF the power and check the fol-
lowing 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?
(8) Turn OFF the power, remove the download jig and install the connector cover.
(9) Close the front cover.
Jig connector