Read Sharp AR-C170 (serv.man5) Service Manual online
AR-C170M PWB LOCATION CHART / 基板（PWB）ロケーション 1 - 2
No.
Parts
Model
Name
Function
1
CL inverter PWB
Drives the xenon lamp.
2
MFP PWB
Corrects images from the CCD and controls the operation panel.
3
Flash PWB (OP)
Includes the program to drive the OP PWB.
4
Flash PWB (MFP)
Includes the program to drive the MFP PWB.
5
Document detection LED PWB
Emits light for document size detection.
6
CCD PWB
Converts document images into electric signals.
7
Lift-up unit PWB tray
Detects the cassette size and interfaces the cassette lift-up motor signals.
8
Manual feed VR PWB
Outputs manual feed width signals.
9
Process control PWB (for black)
Outputs the black toner density on the transfer belt.
10
Process control PB (for color)
Outputs the color toner density on the transfer belt.
11
Document detection light receiving PWB Outputs the document size detection signal.
12
Operation PWB
Outputs the key operation signal.
13
INV/LVDS PWB
Interfaces LCD from the MFPPWB and the touch panel signal, and drives the
LCD backlight.
LCD backlight.
14
Network PWB
Network connection PWB
15
PRT controller PWB
Printer control PWB (HDD, NIC standard)
16
Flash PWB (FONT)
PWB which has font data
17
Flash PWB (PCL)
PWB which has the printer controller control program
18
Flash PWB (BOOT)
PWB which has the program to boot the printer controller
19
Flash PWB (ICU)
Includes the program to drive the ICU PWB.
20
ICU PWB
Performs image process and controls LED.
21
Interface PWB
Signal interface
22
PCU PWB
Controls the engine section.
23
Driver PWB
Controls the DC load power and drive the motor.
24
AC power PWB
Controls the power on the primary side.
25
LED DL PWBs
Discharges electric charges on the OPC drums.
26
Flash PWB (PCU)
Includes the program to drive the PCU PWB.
27
High voltage TC PWB
Produces the transfer voltage.
28
DC power PWB
Outputs the voltage on the secondary side, and controls the heater lamp.
29
High voltage MC PWB
Produces a high voltage for the main charger and the developing bias voltage.
30
TEL/LIU PWB
Telephone line communication control
Japan only
31
FAX flash PWB
PWB which has the FAX control program
Japan only
32
MODEM control PWB
FAX communication control
Japan only
33
Ringer power PWB
Pseudo-ringer ringing PWB (including 24V
→
12V power circuit)
Japan only
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