Read Sharp MX-M850 (serv.man35) Service Manual online
MX-M1100 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 – 15
L. PWB
No.
Name
Function / Operation
1
DSPF cnt PWB
Controls the DSPF.
2
DSPF driver PWB
Drives the DSPF motor.
3
DSPF CL inverter PWB
DSPF (back) copy lamp lighting inverter.
4
Double feed detection PWB (DSPF)
Detects double feed of a document.
5
DSPF CCD PWB
DSPF (back) scanning CCD.
6
SCNCNT PWB
Controls the scanner.
7
SCN-Mother PWB
Drives the signal brunch in the scanner unit and the scanner motor.
8
CL inverter PWB
Inverter for lighting the scanner (front) copy lamp.
9
CCD PWB
Scanner (front) read CCD.
10
AFE PWB
Scanner (front) read CD control PWB.
11
CL Thermistor PWB
Scanner (front) copy lamp temperature detection.
12
INFO LED PWB (G)
Status display LED (Green)
13
INFO LED PWB (R)
Status display LED (Red)
14
MFP OPE PWB
Operation panel control.
15
LCD inverter PWB
LCD backlight lighting inverter.
16
KEY PWB
Operation panel key.
17
Double feed detection PWB (Main unit)
Detects double feed of paper.
18
PEDcis PWB
Detects the paper edge.
19
Tandem sensor PWB
Detects presence of Tandem tray 1 and paper.
20
Tandem sensor PWB
Detects presence of Tandem tray 2 and paper.
21
Size detection PWB
Detects the paper size in the tray 3.
22
Side detection PWB
Detects the paper size in the tray 4.
23
PCU PWB
Controls the engine section.
24
HL PWB
Controls the heater lamp.
15
13
17
18
18
46
44
44
41
LSU
20
19
32
47
35
31
43
10
48
16
9
2
8
14
12
23
36
26
1
38
33
33
34
3
6
39
4
27
42
40
21
37
24
22
29
30
28
25
5
11
7
45
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