Citizen CL-E720DT - Leaf Adjust Sensor U; Unit Sensor U and SA Head up Sensor PCB

Chapter 3 Disassembly and Maintenance
3-6. Disassembly, Reassembly and Lubrication
3-21 CL-E720DT
3-6-10. “SA Head Up Sensor PCB”, “SA TRA Sen PCB”, “FFC TRA
Sensor” and “Leaf Adjust Sensor U”
(1) “Unit Sensor U” and “SA Head Up Sensor PCB”
1. Remove the “Cover PF Motor”. Refer to “3-6-2 Cover PF Motor”.
2.
Remove the “Unit Opepane”. Refer to “3-6-3(1) Unit Opepane”.
3.
Remove the “Case” and “Cover Steel L”. Refer to “3-6-4 Case”.
4.
Remove all connectors from the “SA Main PCB”. Refer to “3-6-5(1) “SA Main PCB”
Connectors”.
5. Remove the “Unit Mechanism”. Refer to “3-6-6 Unit Mechanism”.
6.
Open the Head Block and release the right end of the “Unit Sensor U” () from the frame
to set it free.
7. Remove the 3 screws (BH M2.0x4 (NI)) () and detach the “Unit Sensor U” ().
8. Cut the “Wire Tie” () and set the one end of the “SA Head Cable” () free.
9. Remove the “SA Head Up Sensor PCB” () from the “Cover Head Wire”, and then
disconnect the “SA Head Up Sensor Cable” () from the “SA Head Up Sensor PCB” ().
Notes on reassembling:
• When mounting the “Unit Sensor U” (), insert its projections “A” and “B” into the
corresponding holes “A’ ” and “B’ ” in the main body.
SA Head Up Sensor PCB
SA Head Up Sensor Cable
J2
J10
Wire Tie
Cover Head Wire
SA Head Cable
6
5
Unit Sensor U
J9
A
B
B’
A’
BH M2.0x4 (NI)
1
2
3
4