Pwb Location Chart; Mfp Controller Pwb - Sharp AR-M550N Circuit Diagram

[1] PWB LOCATION CHART / 基板（PWB）ロケーション
29
No Name
1 AC power PWB
2 CCD PWB
3 CIS control PWB
4 DC main power PWB
5 DC sub power PWB
6 LVDS/INV PWB
7 MFP FLASH ROM PWB
8

MFP controller PWB

9 Mother PWB
10 PCU FLASH ROM PWB
11 PCU PWB
12 SPF PWB
13 SPF paper width detection PWB
14 Image density sensor PWB
15 OPC drum mark sensnor PWB
16 Document size detection light reception PWB
17 Document size detection light emitting PWB
18 Fusing roller bias high voltage PWB
19 High voltage PWB (MC/DV/TC)
20 Transfer bias high voltage PWB (TD CL)
22 Dehumidifier heater relay PWB
23 Discharge lamp PWB
24 Scanner Flash PWB
25 Scanner control PWB
26 Scanner relay PWB
27 Operationcontrol PWB
28 Soft NIC PWB
29 Manual feed paper width detection PWB
30 Driver PWB
31 Paper size detection PWB (Paper feed tray 3, 4)
32 Detector PWB (Paper feed tray 1, 2)
6
27
16
26
2
5
17
8
28
7
19
Controls the AC power.
Scans document images.
Scans document images (back surface) and controls the CIS unit.
Generates the DC power.
Generates the DC power in the power save mode.
Generates the LCD display signal, and generates a high voltage for backlight.
Stores the MFP control program.
Controls the image-related items and controls all over the machine.
Interfaces the MFP control PWB and the PCU PWB.
Stores the PCU control program.
Controls the engine section.
Drives the SPF section loads./ Interfaces the sensor and detector signals.
Detects the SPF paper tray paper width.
Detects the toner patch density in the image density correction.
Detects the OPC drum mark.
Generates the document size detection signal.
Generates lights to detect the document size.
Provides the fusing roller bias voltage.
Generates the main charger voltage, the developing bias voltage, the transfer voltage and
the transfer belt cleaning voltage.
Provides the bias voltage for the transfer cleaning roller and the print mode.
Controls ON/OFF of the dehumidifier heater.
Generates light for discharging.
Stores the scanner control program.
Controls the scanner section.
Interfaces the scanner control PWB, the CCD PWB, the operation control PWB and the
LVDS/INV PWB.
Controls the display operation panel.
Controls the network.
Detects the manual paper feed tray paper width.
Drives the motors.
Detects the paper size.
Detects the paper empty and upper limit tray.
AR-555/550/620/625 PWB LOCATION CHART / 基板（PWB）ロケーション 1 - 1
13
3
20
12
25
14
23
18
15
24
9
10
30
11
32
4
31
1
22
Function/Operation