Construction Of The Electrical Circuitry; Image Processor Pcb - Canon iR2020 Series Service Manual

Chapter 3

3.2 Construction of the Electrical Circuitry

3.2.1 Image Processor PCB

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
The following is a diagram showing the major control mechanisms of the Image Processor PCB according to connectors:
3-2
Reader Unit
USB port
DC controller PCB
J317 J320
J301
J304
JEM1
J314
J311
J310
Connector Description
J300 Not used
J301 USB memory connection slot
J303 USB port
J304 LAN PCB connection slot

Image Processor PCB

Image memory
(SDRAM)
F-3-2
J300
J318
J303
BAT951
IC1
IC10S IC11
J319
F-3-3
T-3-3
Flash ROM
J308
J309
J312
J313
J316
J315
IC140
0010-6854