Chapter 4
Points to Note When Replacing the Main Controller PCB
Remove the following components of the detached main controller PCB. Thereafter, be sure to mount them to the new main controller PCB.
[1] Boot ROM
[2] Hard disk
[3] SDRAM
[4] FRAM
4.7.2 SDRAM
4.7.2.1 Removing the Face Cover
iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
1) Remove the 4 screws [1].
2) Loosen the 2 screws [2].
3) Pull off the face cover [1] in upward direction.
4-24
F-4-39
F-4-40
[1]
[1]
[2]
F-4-41
0007-6411