Canon iR3245, Service Manual

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Chapter 10
10-1
10.1 Control Panel
10.1.1 Overview
0019-3744
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The control panel for this equipment consists of the PCBs, LCD, and touch panel shown in the diagram and has main functions described below;
- LCD indication
- Adjusting the LCD contrast
- Adjusting fax sound volume
- USB connection function (USB connector (device) equipped)
- Input with the touch switch
- Input with the Hard key
F-10-1
10.1.2 LCD Indication Processing
0019-3755
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
The CPU on the main controller PCB transmits the data (display information) to the control panel CPU PCB according to the program.
This data is transmitted to the color LCD via the control panel CPU PCB.
10.1.3 Adjusting the LCD Contrast
0019-3757
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
For this equipment, the density adjustment volume (VR6801) key is provided on the keypad PCB to allow users to adjust the LCD contrast.
10.1.4 Adjusting Fax Sound Volume
0019-3873
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
For this equipment, the fax sound volume adjustment key is provided on the keypad PCB to adjust the sounds of alarm and communication for fax transmission/
reception.
Main controller PCB
Control panel CPU PCB
Touch panel
Color LCD
Keypad PCB Control panel
inverter PCB
J2010 J2016
J1
J6
J5,J4
J6801,J6802
HUB PCB
USB connector
J101 J102
CN1
CN2
J3
J8
Control panel