Read Sharp AR-C150 (serv.man5) Service Manual online
B. Major PWB units and functions
No.
Parts
Note
Name
Function/Operation
1
Operation PWB L
Outputs the key operation signals.
2
OP control PWB
Controls the whole operation unit. (Displays information from the PCU PWB,
and sends operation information to the PCU PWB.)
and sends operation information to the PCU PWB.)
Differs in AR-C150 and
AR-C100.
AR-C100.
3
Operation PWB R
Outputs the key operation signals.
4
LCD back light inverter PWB
Drives the LCD back light.
5
ICU-Main PWB
Controls the ICU SCN PWB, ICU IMG PWB, and CCD PWB. Converts digital
image data into video signals and sends them to the scanner (writing) unit.
image data into video signals and sends them to the scanner (writing) unit.
Differs in AR-C150 and
AR-C100.
AR-C100.
6
ICU-SCN PWB
Performs correction of images outputted from the CCD.
7
ICU-IMG PWB
Performs image processes such as area separation, color correction, black
generation, gamma correction, and filter process.
generation, gamma correction, and filter process.
Differs in AR-C150 and
AR-C100.
AR-C100.
8
CPT PWB
Recognizes the bank note patterns.
9
Original size sensor PWB
(Light reception)
(Light reception)
Detects the original size.
10
Original size sensor (Light
emitting)
emitting)
Outputs light to detect the original size.
11
CCD power PWB
Outputs the CCD PWB paper power.
12
Scanner motor PWB
Scanner motor control PWB.
Controls the scanner
motor.
motor.
13
PCU sub PWB
Controls the image process section.
14
High voltage power PWB
(MC/DV)
(MC/DV)
Generates the high voltage for main charger and the developing bias voltage.
15
Main charger interface PWB
Interfaces the main charger power.
16
OPC drum motor control PWB
Controls (drives) the OPC drum motor.
17
Scanner lamp control PWB
Controls the scanner lamp
18
Humidity sensor PWB
Detects humidity in the machine.
Each correction of
image process section
is made by this sensor
data.
image process section
is made by this sensor
data.
1
2
3
16
17
18
19
20
22
10
11
13
14
7
6
9
15
4
5
17
19
23
25
20
8
12
31
26
27
24
29
30
28
28
30
29
AR-C150
1 – 6
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