5-16
UP-55MD
Paper feed sensor (Front edge detection of paper)
Type:
Transmission sensor
Function: Detects the timing in which paper is loaded.
Detects that paper is not clogged at the load port in the standby mode.
Detects the paper in each timing during paper load and return.
Level:
IC301, pin 18 on the MA-142 board
H (Analog level) = Paper provided
L (Analog level) = Paper not provided
Q102
R113
R116
GND
R115
R114
Q101
PP_F_EDGE
(IC301 174pin)
(IC301 87pin)
(IC301 43pin)
(IC301 175pin)
PP_B_EDGE
RBN_MARK
PP_IN
R714
GND
C91
C81
Q91
D81
R81
+
2.5V
+
5V
C131
C121
Q131
D121
R121
C61
C71
Q61
D71
R71
C101
C161
Q101
D161
R161
TO
CN803/MA-142
16 pin
MEC-24
MA-142
SE-750/749
GND
R715
GND
+
2.5V
GND
R716
GND
+
2.5V
GND
R717
GND
+
2.5V
_
+
_
+
_
+
_
+
GND
SE-754/753
SE-747/748
SE-751/762
Содержание UP55MD
Страница 1: ...COLOR VIDEO PRINTER UP 55MD SERVICE MANUAL Volume 1 1st Edition Revised 2 ...
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Страница 74: ...Sony Corporation 2010 7 08 2005 UP 55MD SY E 9 879 778 03 ...