Branson 2000X - Battery for Backup RAM (BBRAM); Power Supply Module; DC Power Supply

2000X energy Power Supply Chapter 7: Maintenance
Instruction Manual Parts Replacement
011-003-991 EN 7-57
To remove the User I/O Board, take the following steps:
To reinstall the User I/O Board, reverse the removal procedures.
7.7.8 Battery for Backup RAM (BBRAM)
To remove and replace the BBRAM battery, take the following steps:
Table 7.15 Removing the User I/O Board
Step Action
1 Turn off the Power Supply.
Unplug the main power.
2
Using a #2 Philips screwdriver, remove 7 screws from the 2000d cover
(3 on each side, 1 on the rear). Remove the cover.
Allow at least two minutes for capacitor discharge.
3 Disconnect J41.
4 Using a #1 Philips screwdriver, remove the 2 end panel screws.
5
Using a #1 Philips screwdriver, remove the 2 internal (M3) mounting
screws.
6 Remove the User I/O board.
7
If the new User I/O Board does not have rear mounting plate, transfer
it from the old board.
Table 7.16 Removing the Battery for the Backup RAM (BBRAM)
Step Action
1 Turn off the Power Supply.
Unplug the main power.
2
Using a #2 Philips screwdriver, remove 7 screws from the
2000d cover (3 on each side, 1 on the rear). Remove the cover.
Allow at least two minutes for capacitor discharge.
3
Remove and replace the battery (CR2032), located on the con-
troller board.
4
Replace cover and screws. Plug in main power and turn on the
Power Supply.