Citizen CL-E720DT - SA Ref Sensor PCB and Spring Adjust Sensor L

Chapter 3 Disassembly and Maintenance
3-6. Disassembly, Reassembly and Lubrication
CL-E720DT 3-34
3-6-14. “SA Ref Sensor PCB” and “Spring Adjust Sensor L”
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.
Access to the bottom of the “Unit Mechanism”, and disconnect the connector of the “SA Ref
Sensor Cable” () from the “SA Ref Sensor PCB”.
7. Remove the 1 screw (BH M3.0x4 (NI)) () and detach the “Holder Guide Sensor L” ().
8. Slide the “Guide Paper Set” () to the left, and pull out the “Shaft Sensor Guide” () (with the
“Guide Paper Set” () and “Holder Adjust Sensor L” ()) in the direction of the arrow.
9. Pull out the “Guide Paper Set” () from the “Shaft Sensor Guide” (), and detach the “Spring
Friction Sen PG” and “Plate Friction PG” from it.
10. Pull out the “Holder Adjust Sensor L” () from the “Shaft Sensor Guide” (), and then detach
the following parts.
1) Remove the 2 screws (NO.0 PHT(BT#1) M2.0x3) and detach the “SA Ref Sensor PCB”.
2) Remove the 1 screw (NoO PH(4-0.3) M2x3 (NI)), and detach the “Plate Adj Sen L Spring”
and “Spring Adjust Sensor L”.
3) Peel off the “Cover Paper Sensor”.
11. Cut the 2 wire ties “Wire Tie” () and remove the “SA Ref Sensor Cable” ().
J8
Shaft Sensor Guide
6
5
1
2
3
4
BH M3.0x4 (NI)
Holder Guide Sensor L
Cover Paper Sensor
Holder Adjust Sensor L
NoO PH(4-0.3) M2x3 (NI)
Guide Paper Set
Spring Friction Sen PG
Plate Friction PG
Spring Adjust Sensor L
Plate Adj Sen L Spring
NO.0 PHT(BT#1)
M2.0x3
Wire Tie
SA Ref Sensor PCB
SA Ref Sensor Cable
7