Construction Of The Electrical Circuitry; Outline(Ir105); Main Controller Pcb - Canon ImageRunner iR8500 Series Service Manual

Chapter 4

4.2 Construction of the Electrical Circuitry

4.2.1 Outline(iR105)

iR105
The major electrical mechanisms of the controller block are controlled by the CPU on the main controller PCB; the following table shows the functions of
the IC and hard disk located around the CPU (e.g., RAM, DIMM) and of the CPU itself:

4.2.2 Main Controller PCB

iR105i/iR105+ / iR9070 / iR85+ / iR8070
The following is a diagram showing the major control mechanisms of the main controller according to connectors:
J1015
4-4
J1006
J1027
J3000
J3001
J1021
J1010
IC1001
IC1002
BAT1001
IC1005
J1023
J1022
J1060
J1062
Connector Description
J1003 SDRAM connection slot
J1004 SDRAM connection slot
J1010 Boot ROM connector slot
J1013 Riser board connection slot
J1014 Scanner DDI
J1017 USB port
J1018 Control panel connector
J1020 Power supply connector
J1026 Hard disk connector
J1029 Printer DDI
J1061 Ethernet port (10/100BaseT)
J1004
J1003
IC1014
IC1010
J1013
IC1100
IC1009
IC1003
IC1006
IC1004
IC1008
J1024
J1018
F-4-4
T-4-3
J1017
J1028
J1008
J1061
J1026
J1014
0006-9741
0008-2235