Upgrading The Boot Program - Sony HXCU-100 Service Manual

2-3-2. Upgrading the Boot Program

Tools
. Memory Stick
. ROM-28 board: (Sony Part No.: A-8326-017-A)
Check
Check the current boot program version with FIRMWARE UPDATE of the MAINTENANCE menu.
(Refer to Section 4-3.)
Preparation
1. Copy the upgrading program to the Memory Stick in the following steps.
n
To get the upgrading program (program fi les "hscu300.rom" and "boot.rom"), contact your local Sony
Sales Offi ce/Service Center.
(1) Make the following directory on the Memory Stick.
\MSSONY\PRO\CAMERA\HSCU300
(2) Copy the program fi les "hscu300.rom" and "boot.rom" to the directory made in step (1).
2. Save the upgrading boot program in the ROMs H (IC2) and L (IC3) on the ROM-28 board.
n
For details of saving the upgrading program, contact your local Sony Sales Offi ce/Service Center.
Procedure
1. Remove the front panel.
(Refer to Section 5-1.)
2. Draw the SY-364 board.
(Refer to Section 5-5-13.)
3. Insert the Memory Stick that contains the
upgrading program into the connector CN804
on the SY-364 board.
4. Connect the connector CN1 on the ROM-28
board to the connector CN805 on the SY-364
board.
5. Set the switch S1 on the ROM-28 board to
the DOWNLOAD side.
6. Insert the SY-364 board and turn on the power.
The diode D808 on the SY-364 board blinks
green and red during upgrade, and lights
green upon completion of the upgrade.
7. Turn off the power, and remove the ROM-28
board from the SY-364 board.
8. Remove the Memory Stick.
9. Insert the SY-364 board, and attach the front
panel.
10. When the unit is turned on, the boot program
is upgraded and runs.
11. Check that the boot program has been upgrad-
ed with FIRMWARE UPDATE of the MAIN-
TENANCE menu. (Refer to Section 4-3.)
2-4 (E)
ROM-28 board
SY-364 board
CN1
S1
CN805
HXCU-100