Read Sharp AR-C170 (serv.man23) Service Manual online
AR-C170M EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 10
H. PWB 1
No.
Parts
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.
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
Front / right side / top view
1
2
21
20
19
15
16
17
18
14
5
6
3
4
8
7
9
10
12
11
13
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