4-34
OEP-3 V1 (UC)
9. Paper feed FG sensor
Route:
SE-552 to SE-539 to PRT-13
TP:
TP515/PRT-13 board
Function: Detects the amount of print paper fed to the platen chuck position through a paper feed timing
sensor.
Level:
Rectangular wave output
10. Paper sensor
Route:
SE-553 to SE-539 to PRT-13
TP:
TP511/PRT-13 board
Function: Discriminates whether the paper feed tray or print paper is set.
Level:
H
Print paper is set, or a paper feed tray is set, but no print paper exists.
L
Print paper does not exist and a paper feed tray is not set.
LOAD_FG
8P
CN150
9P
CN401
CN13
15P
SE-539
90P
IC5
1P
CN101
16P
SE-552
7P
PRT-13
2P
3P
NM
C34
0.01uF
NM
C33
0.01uF
PH17
GP1S54
+5V
R154
150
GND
IC4
(5/7)
SN74LV14ANSR
4
3
2
1
10
11
+5V
R529
10k
PAPER
3P
10P
1P
IC9
CN14
2P
PRT-13
12P
SE-553
2P
CN103
3P
CN150
21P
SE-539
CN401
1P
PH18
GP1S54
NM
C36
0.01uF
NM
C35
0.01uF
+5V
R159
150
GND
(5/9)
IC406
SN74LV541ANSR
4
3
2
1
16
4
+5V
R525
10k
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...