Construction Of The Electrical Circuitry; Main Controller Pcb (Main); Sram Pcb - Canon iR C2880 Series Service Manual

Chapter 4

4.2 Construction of the Electrical Circuitry

4.2.1 Main Controller PCB (main)

iR C3380i / iR C3380 / iR C2880i / iR C2880 / iR C3580 / iR C3580i / iR C3080 / iR C3080i
The following shows the major control functions of the main controller PCB (main) grouped according to jack/IC:
Jack No
J1001
J1002
J1003
J1008
J1010
J1011
J1012
J1013
J1024
J1034
J1051
J1052
*1 optional for some models.

4.2.2 SRAM PCB

iR C3380i / iR C3380 / iR C2880i / iR C2880 / iR C3580 / iR C3580i / iR C3080 / iR C3080i
The following is a discussion of the major control functions of the SRAM indicated with reference to ICs:
4-2
J1024
J1001
J1002
Discription
image memory (DDR-SDRAM, 1 GB; standard)
image memory (DDR-SDRAM, 512 MB) *1
SRAM PCB connection slot
main controller PCB (sub PDRM-EF-A) connection slot
main controller PCB (sub R-A)/(sub R-A-SH) connection slot
main controller PCB (sub SJ-A)/(sub SJ-A-SH) connection slot
optional board connection slot (security expansion board)
main controller PCB (sub LAN-BAR-A) connection slot
main controller PCB (sub RB-A) connection slot *1
boot ROM connection slot
main controller PCB (sub PDRM-EF-A) connection slot
optional board connection slot (voice guidance board)
J1010
J1051
J1008
J1011
J1052
J1012
J1013
J1034
J1003
F-4-2
T-4-2
0013-9209
0013-9210