Sharp MX-4100N Service Manual page 40

NO Name
11 Document detection light collector PWB
12 Document detection light emitting PWB
13 LCD INV PWB
14 LVDS PWB
15 MFP OPE-P PWB
16 Power SW PWB
17 HL PWB
18 Secondary transfer PWB
19 MFP cnt PWB
20 Mother PWB
21 PCU PWB
22 PCU Flash ROM PWB
23 BD PWB
24 LSU PWB
25 LSU thermistor
26 DL PWB
27 LD PWB
28 PROG1 ROM PWB
29 PROG2 ROM PWB
30 SCN Flash ROM PWB
31 USB connector PWB
32 TM drive PWB
33 Driver sub PWB
P. Fuses/Thermostats
14
Outputs the document size detection signal.
Emits light for document size detection.
Generates the high voltage for the LCD backlight.
Converts the display signal and outputs to the LCD.
Outputs the key operation signal.
Outputs the ON/OF control signal of the DC power source.
Controls the heater lamp.
Generates the secondary transfer voltage, the transfer belt cleaning voltage and the pre-transfer voltage.
Controls the image-related items and controls all over the machine.
Interfaces the MFP cnt PWB and other PWB.
Controls the engine section.
The ROM PWB that control the PCU PWB.
Detects laser and outputs the synchronous signal.
Controls the LSU.
Measures the temperature in LSU.
Discharges electric charges on the OPC drum.
Controls laser lighting.
Stores the program to boot the printer controller.
Stores the program.
Stores the scanner control program.
For connecting the USB
Control the toner motor.
Drives the process motor and related sections.
1
2
3
4
5
MX-5001N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 18
Function/Operation
TS EX2 TS EX2
TS EX1 TS EX1
TS MAIN TS MAIN
10
13
11
12
8
9
TS SUB TS SUB
6
7