Toshiba e-Studio477s, Service Manual, Page: 236 / 482

e-STUDIO477S/527S/477SL © 2013-2016 TOSHIBA TEC CORPORATION All rights reserved
REPLACEMENT OF PC BOARDS/HDD
6 - 22
6.2.5 Precautions and procedure when replacing the SRAM board (for
the SYS board)
Notes:
• Do not replace the HDD and the SRAM board (for the SYS board) together.
• Be careful not to damage the board when replacing the SRAM board.
• When the SRAM board is replaced, do not perform HDD partition creation (Format HDD)
before the normal start-up.
A procedure for replacing the SRAM board is shown below.
When disposing of the SRAM board, perform the items in
 P. 6-32 "6.3.4 Precautions when disposing
of the SRAM board (for SYS board)".
Fig. 9-2
Backup SRAM
possible?
[C] Replace SRAM board
No
Yes
[B] Return License
[C] Replace SRAM board
Start
[A] Backup SRAM
With backup
data SRAM?
The license can
be returned?
[D] Clear SRAM system
strage area
[C] Replace SRAM board
[E] Restore SRAM
[D] Clear SRAM system
strage area
[F] Clear SRAM update Error flags
[G] Backup ADI key
[H] Backup encryption key
[I] Backup license
[J] Initialize SRAM board
[K] Reinstall license
[D] Clear SRAM system
strage area
[F] Clear SRAM update Error flags
[G] Backup ADI key
[H] Backup encryption key
[I] Backup license
[J] Initialize SRAM board
[L] Enable HDD encryption
[M] Adjust image quality
[N] Initialize settings when Fax
Unit (GD-1340) is installed
[O] Set date and time
Setting completed
No
Yes
No
Yes