Pwb - Sharp MX-2300 G Service Manual

M. PWB
16
15
17
18
13
10
21
1
23
22
11
2
3
No. Name
1 RD I/F PWB
2 Tray 1 detection PWB
3 Tray 2 detection PWB
4 DC power PWB
5 Driver main PWB
6 MC PWB
7 Primary transfer PWB
8 AC power PWB
9 Scanner control PWB
10 CCD PWB
11 Phase detection PWB
12 CL inverter PWB
13 Document detection light receiving PWB
14 Document detection light emitting PWB
15 LCD INV PWB
16 LVDS PWB
17 MFP OPE-P PWB
18 Power SW PWB
19 HL PWB
20 Driver sub PWB
21 Secondary transfer PWB
22 Temperature/humidity sensor PWB
23 Manual paper feed width detection PWB
24 MFPcnt PWB
25 Mother PWB
26 PCU PWB
27 PCU Flash ROM PWB
28 BD PWB
29 LSU CNT PWB
30 LSU thermistor
31 DL PWB
32 DV initial PWB
33 LD PWB
Detects the sensors in the right door unit.
Detects the tray 1.
Detects the tray 2.
Outputs the secondary side voltage.
Drives the transport motor and related sections.
Generates the high voltage for the main charger and the developing bias voltage.
Generates the primary transfer voltage.
Controls the primary side power source.
Controls the scanner section.
Scans the document images.
Adjusts the BL/CL drum phase.
Drives the xenon lamp.
Outputs the document size detection signal.
Emits the document size detection LED lights.
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/OFF control signal of the DC power source.
Controls the heater lamp.
Drives the process motor and related sections.
Generates the secondary transfer voltage and the transfer belt cleaning voltage.
Detects the ambient temperature and humidity.
Detects the manual paper feed tray paper width.
Controls images and the whole machine.
Interfaces the MFPcnt PWB and other PWB.
Controls the engine section.
Controls the PCU PWB.
Detects laser and outputs the synchronous signal.
Controls the LSU.
Measures the temperature in the LSU.
Discharges electric charges on the OPC drum.
Detects the DV model.
Controls laser lighting.
MX-2300/2700 N/G EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 13
DV
12
14
LSU
9
37
19
20
38
7
control box
6
8
4
5
Function/Operation
32
31
33
30
29
28
27
26
34
25
24
35
36
Note