Sony UP-DR200, Руководство по обслуживанию, Страница: 52 / 102

4-4
UP-DR200
4-6. Sensor Detection
4-6-1. Pinch Home Sensor and Pinch Position Sensor
Function: Detects the position of a head assembly, pinch roller, and IC tag contact.
Signal: CN301 on SE-926 board
→
CN16 on MEC-36 board
→
CN3 on MEC-36 board
→
CN902 on
MA-168 board
TP: TP44 (HOME) and TP46 (POS) on MEC-36 board
Level: 5 Vp-p
Position _ _
_ _ _
PRT _ _
_ _ _
STBY _ _
_ _ _
ICTag _ _
_ _ _
FEED _ _
_ _ _
HOME _ _
_ _ _
Home H H H H H H H H H L H
Pos H L H L H L H L H H H
4-6-2. Head Home Sensor and Head Position Sensor
Function: Detects the position of a thermal head and peeling roller.
Signal: CN311 on SE-927 board
→
CN15 on MEC-36 board
→
CN3 on MEC-36 board
→
CN902 on
MA-168 board
TP: TP41 (HOME) and TP43 (POS) on MEC-36 board
Level: 5 Vp-p
Position _ _ _ _ _ PRT _ _ _ _ _ PEEL _ _ _ _ _ STBY _ _ _ _ _ HOME _ _ _ _ _
Home L L L H L H L H L
Pos L H L L L L L H L
4-5-2. Other Sensor LEDs
Function: Controls LEDs other than a ribbon mark sensor.
Emits light only when required.
Signal: (ON/OFF control signal)
CN902 on MA-168 board
→
CN3 on MEC-36
board
(Output signal)
MEC-36 board
→
Sensor boards
Level: 5 V
TP: (Output signal) TP2 on MEC-36 board
Driving conditions: Fixed 5 V during initialization and print.
For except described above, set to 5 V
every 100 ms for several milliseconds.
Set 0 V in other cases.