Read Sharp MX-6500N / MX-7500N (serv.man27) Service Manual online
MX-7500N OPERATIONAL DESCRIPTIONS 13 – 2
B. Operational descriptions
The operation panel unit is composed of the LCD unit, the LVDS PWB, the USB I/F PWB, and the KEY PWB. It displays the machine operation.
It is provided with the USB I/F which is used for the firmware update, USB print, and Scan to USB.
It is provided with the USB I/F which is used for the firmware update, USB print, and Scan to USB.
In addition, the USB I/F line is provided inside the operation panel to connect with the keyboard and the IC card reader.
A document size is detected by the document size detection PWB (light emitting) and the document size detection PWB (light receiving).
The detection timing of document size is determined according to the document size detection trigger sensor signal.
Signal name
Name
Function/Operation
HM_KEY
Home Screen key
Switch for home screen
PWRSW
Operation panel power switch
Turns ON/OFF the power on the secondary side.
WU_KEY
Power Save key
Switch for power save
No.
Name
Function/Operation
1
LVDS PWB
Converts the display data signal to the LCD display signal. / Controls the touch panel.
2
USB connector PWB
USB Interface
3
KEY PWB
Outputs the key operation signal.
4
HM-KEY PWB
Switch for home screen
5
Touch panel
Touch panel
6
LCD
LCD
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