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5-19
UP-55MD
Ribbon door open detection sensor
Type:
Mechanical sensor
Function: Detects the opening and closing of a ribbon door panel.
Level:
IC301, pin 54 on the MA-142 board
H = The ribbon door is closed.
L = The ribbon door is opened.
Bottom plate sensor
Type:
Mechanical sensor
Function: Detects the installation of the bottom plate in this unit.
The power of this unit is turned off when a bottom plate is not installed.
Level:
CN207, pin 7 on the MA-142 board
H = Power OFF
L = Power ON
NM
VDR151
S151
C151
C840
R858
IC803
+
3.3V
SE-756
MA-142
3
2
1
GND
TO
IC301/MA-142
54 pin
NM
VDR141
S141
3
2
1
GND
C203
R203
REMOTE ON/OFF
CN201 7pin
R204
MA-142
SE-755
Summary of Contents for UP55MD
Page 1: ...COLOR VIDEO PRINTER UP 55MD SERVICE MANUAL Volume 1 1st Edition Revised 2 ...
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Page 74: ...Sony Corporation 2010 7 08 2005 UP 55MD SY E 9 879 778 03 ...