Upgrading The Rom Version; Confirming The Rom Version - Sony HDW-750 Maintenance Manual

1-24. Upgrading the ROM Version

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Do not downgrade the ROM version. It may cause a
malfunction of the system.
The AT-143 board, EQ-88 board, FP-121 board and SS-92
board of this unit are equipped with ROMs.
Board Ref.No.
AT-143 IC38
EQ-88 IC1101
FP-121 IC801
SS-92 IC8
*1 : When the ROM of the AT-143 board is replaced with the new one, a
Memory Stick cannot be used for upgrading. In such a case, use the
ROM-28 board.
*2 : ROM on the EQ-88 board does not need upgrading.

1-24-1. Confirming the ROM Version

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For the basic operations of the setup menu, refer to Section
4-1-1.
1. Turn on the main power and set the MENU ON/OFF
switch to ON.
2. Let the display show the ROM VERSION submenu of
the DIAGNOSIS menu.
? 03 O ROM VERSION
AT : Ver x.xx
SS : Ver x.xx
FP : Ver x.xx
EQ : Ver x.xx
3. Confirm the ROM version.
HDW-750/750CE V1
Address Section to be
referred to
A-2/B side 1-24-2, 1-24-3
D-1/B side *2
F-2/B side 1-24-2
C-3/A side 1-24-2
1-24-2. When a Memory Stick Is Used for
Version Upgrading
(AT-143 Board, FP-121 Board, SS-92
Board)
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. When the ROM of the AT-143 board is replaced with the
new one, a Memory Stick cannot be used for upgrading.
In such a case, use the ROM-28 board.
. The upgrading program must have already been saved in
a Memory Stick before.
*1
(For details of saving the upgrading program, contact
your local Sony Sales Office/Service Center.)
. For the basic operations of the setup menu, refer to
Section 4-1-1.
. The following display is the sample when upgrading
ROM from Ver.1.00 to Ver.1.01.
1. Turn on the main power and set the MENU ON/OFF
switch to ON.
2. Let the display show the ROM VERSION submenu of
the DIAGNOSIS menu.
3. Insert the Memory Stick in which the upgrading
program is already saved. Press the rotary encoder for
a few seconds with the cursor on the left being "?"
shape until the system enters the version upgrade
mode.
The message "MEMORY STICK ACCESS" appears
on display. (If a Memory Stick is not inserted, the
message "NO MEMORY STICK" appears.)
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Do not remove the Memory Stick while message
"MEMORY STICK ACCESS" appears on display.
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? 03 ROM VERSION
MEMORY STICK ACCESS
AT : Ver 1.00
SS : Ver 1.00
FP : Ver 1.00
EQ : Ver 1.00
1-24. Upgrading the ROM Version
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