![Sony UP55MD Скачать руководство пользователя страница 65](http://html.mh-extra.com/html/sony/up55md/up55md_service-manual_414687065.webp)
5-13
UP-55MD
5-5-2. Sensor Detection Circuits
The types of sensors used in this unit are as follows:
A transmission sensor can perform A/D conversion input and correspond to the change with the passage
of time in a sensor level.
Photointerrupter sensor
.
Head position sensor
.
Eject flap sensor
Mechanical sensor
.
Front panel open detection sensor
.
Interlock sensor
Transmission sensor
.
Paper-in sensor
.
Paper feed sensor (Front edge detection of paper)
.
Jamming sensor (Back edge detection of paper)
.
Ribbon cue-up detection sensor
Head position sensor
Type:
Photointerrupter sensor
Function: Discriminates the position of a thermal head.
Level:
Discriminated as shown below.
POSITION0 of
POSITION1 of
IC301, pin 53
IC301, pin 53
Head home
Standby
L
L
Head down
Paper feed
L
H
Head down
Ribbon Y cue-up and paper cue-up
L
H
Head down
Y print
L
H
Head up
Ribbon M cue-up and paper return
L
H
Head down
M print
L
H
Head up
Ribbon C cue-up and paper return
L
H
Head down
C print
L
H
Q102
R113
R116
GND
R115
R114
Q101
C113
GND GND
GND
C114
R112
R111
+
5V
+
5V
VDR51
NM
NM
C52
C51
R51
R52
PH52
PH51
4
3
2
4
2
1
3
1
C53
VDR52
IC301
TO
CN803/MA-142
16 pin
MA-142
MEC-24
SE-746
Содержание UP55MD
Страница 1: ...COLOR VIDEO PRINTER UP 55MD SERVICE MANUAL Volume 1 1st Edition Revised 2 ...
Страница 4: ......
Страница 8: ......
Страница 30: ......
Страница 38: ......
Страница 48: ......
Страница 52: ......
Страница 72: ......
Страница 74: ...Sony Corporation 2010 7 08 2005 UP 55MD SY E 9 879 778 03 ...