Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man21) Service Manual online
MX-4101N OPERATION PANEL B – 2
2. Operational descriptions
A. Outline
The operation panel is composed of the MFP OPE PWB, the LCD
INV PWB, the LVDS PWB, the USB CN PWB, the LCD unit, ansd
the operation key, and is used to operation the machine, to set and
to displat the status.
They are connected with the document detection light receiving
PWB for detection of the documetn size. They receive light from the
document deteciton light emitting PWB attahced to the rear frame
side, detecting the document size.
The power switch of the operation panel outputs the ON/OFF con-
trol signal of the DC power.
The USB connecter can be connected with the USB memory, the
USB keyboard, the IC card writer, the IC card reader, and he USB
hub, sending these electronic data to the mother PWB.
The MX-4100N and the MX-4101N are provided with the keyboard
(standard for North America, option for other than SEN) under the
operation panel unit, allowing text input.
INV PWB, the LVDS PWB, the USB CN PWB, the LCD unit, ansd
the operation key, and is used to operation the machine, to set and
to displat the status.
They are connected with the document detection light receiving
PWB for detection of the documetn size. They receive light from the
document deteciton light emitting PWB attahced to the rear frame
side, detecting the document size.
The power switch of the operation panel outputs the ON/OFF con-
trol signal of the DC power.
The USB connecter can be connected with the USB memory, the
USB keyboard, the IC card writer, the IC card reader, and he USB
hub, sending these electronic data to the mother PWB.
The MX-4100N and the MX-4101N are provided with the keyboard
(standard for North America, option for other than SEN) under the
operation panel unit, allowing text input.
3. Disassembly and assembly
A. 8.5 inch operation panel unit
1)
Remove the operation panel base plate.
2)
Remove the screw, and disconnect four connectors.
*1: Since the lead wire is provided with the lock, do not pull the
lead wire.
Hold the connector and pull it out.
Hold the connector and pull it out.
*2: Note that the lock is on the back surface.
*3: When disconnecting the connector, pull the lead wire
*3: When disconnecting the connector, pull the lead wire
slowly.
*4: Disconnect the connector from the Mylar.
Signal
Name
Function/Operation
OCSW
Original cover SW
Document size detection timing switch
PWRSW
Operaton panel power supply switch
Outputs the ON/OF control signal of the DC power source.
No.
Name
Function/Operation
1
MFP OPE-P PWB
Detects the pressed key on the operation panel.
2
LVDS PWB
Converts the display signal and outputs to the LCD.
3
Document detection light receiving PWB
Receives light from the document detection light emitting PWB to detect the document size.
4
Document detection light emitting PWB
Emits light for detection of the document size.
5
LCD INV PWB
Emits the document size detection LED lights.
6
USB connector PWB
For USB connecting
Parts
a
LCD INV PWB
b
POWER SW PWB
c
MFP OPE-P PWB
d
USB connector PWB
e
LVDS PWB
f
LCD module
g
Touch panel
e
g
f
c
b
d
a
*2
*1
*3
*4
*1
*1
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