DPP-EX7 - Sony Other Service Manuals Service Manual (repair manual). Page 33

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4-7
DPP-EX7 V1
4-4. Upgrade
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Download the latest firmware and technical memo from the home page of GSP.
1. Firmware
The firmware of the DDP-EX7 is stored in IC102 (flash memory) on the DK-45 board.
The firmware can be upgraded using a PC card or a memory stick by employing flash memory for program storage
memory.
2. Upgrade
Upgrade when requiring the improvement in a function (the version up of firmware).
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Make sure perform the upgrade of firmware after replacing the parts below.
. In case of replacing the DK-45 board
. In case of replacing IC102 on the DK-45 board
3. Upgrading method
1.
Copy the latest firmware (downloaded and depressed folder) to the directory of a memory stick or a PC card.
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For the PC card, the memory stick in which a memory stick PC card adaptor is used causes no problem.
2.
Insert the PC card or memory card containing the latest firmware into the PC card or memory stick slots of a printer
and connect the power cord to the printer. (The power LED then lights in red.)
3.
Press the  POWER  key while pressing the PRINT  key.
4.
Release the keys when the LED of the PC card or memory stick lights and the buzzer “beeps”.
5.
The firmware is upgraded in the order below.
(1) The PC card or memory stick LED blinks.
A file is in the read state from the memory stick or PC card.
(2) “Memory stick”, “PC card”, and “personal computer” LEDs blink at long intervals.
The flash memory is in the clear state.
(3) “Memory stick”, “PC card”, and “personal computer” LEDs blink at short intervals.
The flash memory is in the write state.
(4) “Memory stick”, “PC card”, and “personal computer” LEDs blink at normal intervals.
The flash memory is in the verification state.
(5) “PRINT” LED blink alternately.  Upgrading is completed.
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Do not pull out the power cord during upgrading.
6.
After completion is confirmed, disconnect the power cord from the printer and take out the memory stick or PC card
from the printer.
7.
Restart the printer in the service mode.
8.
After the “Check Sum value” is displayed on the monitor screen, confirm that the value is the same as for a technical
memo.  The Check Sum is displayed in the lowest row of the menu screen of the service mode.
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