4-35
OEP-3 V1 (UC)
11. Tray position sensor
Route:
SE-554 to SE-539 to PRT-13
TP:
TP577 (TRAY_POS0) and TP559 (TRAY_POS1)/PRT-13 board
Function: Discriminates the position of a paper feed arm and delivery arm.
Level:
12. Platen chuck sensor
Route:
SE-541 to SE-539 to PRT-13
TP:
TP551 (LED) and TP553 (PHTR)/PRT-13 board
Function: Discriminates that paper was fed to the chuck position.
Level:
H
Print paper does not exist in the chuck position.
L
Print paper exists in the chuck position.
PLT_CHUCK
10P
3P
IC11
21P
1P
CN104
1P
19P
9P
CN401
PRT-13
IC5
CN150
SE-539
22P
2P
2P
CN2
81P
3P
SE-541
IC450
UPC324G2-E1
(4/4)
IC450
UPC324G2-E1
NM
C3
0.01uF
GND
PH2
GP2S40K
NM
C4
0.01uF
14
13 -
12
+
4
1
11
2
-
3
+
4
3
2
1
(3/4)
GND
C551
470pF
+5V
+5V
R555
15k
R557
33
+12V
Q450
2SC1523-T1-L5L6
TRAY_POS
9P
23P
6P
4P
38P
CN150
8P
IC9
PRT-13
3P
5P
SE-539
7P
SE-554
24P
8P
CN103
CN401
5P
2P
39P
CN15
1P
7P
GND
NM
C39
0.01uF
R160
150
NM
C40
0.01uF
+5V
R161
150
RPI-352
PH19
NM
C37
0.01uF
JR3
0
RPI-352
PH20
NM
C38
0.01uF
+5V
4
3
2
1
4
3
2
1
+5V
R567
10k
+5V
R570
10k
Sensor position
TRAY_POS0 (IC9, pin 39)
TRAY_POS1 (IC9, pin 38)
Home
L
L
Paper feed
L
H
H
L
Summary of Contents for OEP-3
Page 1: ...COLOR VIDEO PRINTER OEP 3 SERVICE MANUAL Volume 1 1st Edition...
Page 6: ......
Page 80: ......
Page 119: ...4 11 OEP 3 V1 UC Memory Configuration Eight Frame Memory Configuration Four Frame...
Page 154: ......
Page 165: ...5 11 OEP 3 V1 UC 5 5 Direct Chuck Mechanism...
Page 176: ...2000 9 22 OEP 3 UC E 9 955 247 11...