Sony HDW-750 Maintenance Manual page 541

A91 : MDC-13 BOARD CHANGE
This item performs the setting that enables saving the contents of the
backup RAM into the EEPROM (IC403) of the new replacement
MDC-13 board when the MDC-13 board is going to be replaced.
n
Perform this setting immediately before replacing the MDC-13 board.
When this setting is performed, the contents of the backup RAM are
saved in the EEPROM at the first power-on after the MDC-13 board is
replaced.
1. Select "A91 : MDC-13 BOARD CHANGE " and press the rotary
encoder.
2. When the rotary encoder is rotated, NO changes to YES.
3. When the YES message appears, turn off the main power once.
4. Replace the MDC-13 board.
5. Turn on the main power.
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For the replacement procedure of the MDC-13 board, refer to
"7-36. MDC-13 Board Replacement".
HDW-750/750CE V1
11-3. Contents of Menus
OTHERS ADJUST MENU
A91:MDC-13 BOARD CHANGE
CHANGE : NO
OTHERS ADJUST MENU
A91:MDC-13 BOARD CHANGE
CHANGE : YES
TURN OFF POWER
11-39