Pcbs And Other Items; Controller Board - Ricoh R-C4 Service Manual

PCBS AND OTHER ITEMS

3.11 PCBS AND OTHER ITEMS

3.11.1 CONTROLLER BOARD

Remove:
[A]: Controller board cover (
[B]: Controller board (
[C]: NVRAM x2
[D]: Controller board face plate (
[E]: Controller board (
[F]: Brace1. Lift hook 1 and pull out.
[G]: Brace 2. Lift hook 2 and pull out.
[H]: Standard Memory DIMM
Important:
• Take the NVRAMs from the old board and install them on the new board.
• Do not remove the NVRAM until after you upload its contents ( 3.11.2).
• Always touch a metal surface to discharge static on your hands before you touch
the controller board.
• Work carefully when you remove the NVRAMs, to prevent damage to other
components on the controller board. Do not short-circuit the pins of other chips.
• NVRAM chips must always be removed and replaced as a pair.
• Set the DIP switches on the new controller board to the same settings as the old
board.
[A]
[B]
B205R960.WMFF
[C]
x1)
x2)
x1)
[H]
x2)
3-48
21 July 2006
[E]
[F]
[G]
B205R161.WMFF
[D]