4-31
OEP-3 V1 (UC)
1. Platen home position sensor
Route:
SE-540 to SE-539 to PRT-13
TP:
TP558/PRT-13 board
Function: Discriminates the home position of a platen.
Level:
H
Home position
L
Positions other than home position
2. Ribbon take-up FG sensor
Route:
SE-545 to SE-539 to PRT-13
TP:
TP513/PRT-13 board
Function: Detects the number of rotations on the take-up side of a ribbon.
Level:
Rectangular wave output
3. Ribbon supply FG sensor
Route:
SE-546 to SE-539 to PRT-13
TP:
TP514/PRT-13 board
Function: Detects the number of rotations on the supply side of a ribbon.
Level:
Rectangular wave output
PLT_POS
CN101
CN401
1P
3P
1P
CN1
2P
CN150
PRT-13
37P
6P
SE-540
25P
3P
2P
SE-539
IC9
(6/9)
IC452
SN74LV541ANSR
NM
C1
0.01uF
GND
+5V
NM
C2
0.01uF
R152
150
RPI-352
PH1
11
9
4
3
2
1
+5V
R566
10k
RBN_TKUP_FG
SE-545
PRT-13
SE-539
87P
IC5
18P
CN401
13P
CN150
6P
5P
4P
CN101
3P
2P
1P
CN6
(3/7)
IC4
SN74LV14ANSR
GND
+5V
R153
150
PH7
RPI-325
NM
C13
0.01uF
NM
C14
0.01uF
6
5
4
3
2
1
+5V
R527
10k
RBN_SPLY_FG
SE-546
8P
7P
6P
3P
1P
CN7
17P
IC5
CN102
CN401
88P
PRT-13
2P
SE-539
CN150
14P
(4/7)
IC4
SN74LV14ANSR
R157
150
NM
C16
0.01uF
NM
C15
0.01uF
PH8
RPI-352
GND
+5V
8
9
4
3
2
1
+5V
R528
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...