AR-C150 (serv.man5). ARC150-Basic Manual - Sharp Copying Equipment Service Manual (repair manual). Page 9

No.

Parts

Note

Name

Function/Operation

19

PCU PWB (A)

Controls the engine section.

Differs in AR-C150 and
AR-C100.

20

PCU PWB (B)

Controls the engine section.

Differs in AR-C150 and
AR-C100.

21

Paper tray lift unit control PWB

Controls the paper tray lift unit.

Provided in each paper
tray lift unit.

22

Discharge lamp PWB unit

Discharges electric charges on the OPC drum.

23

IFD PWB

Equipped with No. 1/2 paper tray paper exit detectors and the right upper door
open/close detector.

24

PFD PWB unit

Equipped with No. 3/4 paper tray paper exit detectors and the right lower door
open/close detector.

25

Process control PWB

Interfaces signals between the developing unit, OPC drum unit, the high
voltage PWB, and the PCU PWB.

26

Fusing control PWB (AC sub
PWB)

Interfaces the heater lamp drive control, sensor, detector signals.

27

High voltage power PWB (TC)

Generates the transfer voltage.

28

DC main power PWB

Generates the voltage used by the other units than the operation unit.

29

DC sub power PWB

Generates the voltage used by the operation unit.

30

AC main power PWB

Controls the primary side power (AC power).

31

CCD PWB

Converts original images (light) into electrical signals.

The PWB units and the units are connected with serial data lines with
the MAIN PCU PWB as the center. The PCU MAIN PWB obtains
status information from the units through these lines, and sends com-
mands to the units based on the status information to control the
loads of the units. 

The serial data line between the MAIN PCU PWB and the ICU MAIN
PWB is used to exchange information for arranging the engine opera-
tion with the output timing of image data. 

MAIN PCU PWB

ICU MAIN PWB

OPERATION

CONTROL PWB

DUPLEX

UNIT(OPTION)

LARGE CAPACITY

PAPER

TRAY(OPTION)

RIC I/F

SUB PCU PWB

RADF UNIT(OPTION)

SORTER(OPTION)

PROCESS CONTROL

PWB

MAIN BODY SECTION

AR-C150

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