Sa Main Pcb" And "Sa Relay Pcb; Sa Main Pcb" Connectors - Citizen CL-E720DT Technical Manual

Chapter 3 Disassembly and Maintenance
3-6. Disassembly, Reassembly and Lubrication

3-6-5. "SA Main PCB" and "SA Relay PCB"

(1) "SA Main PCB" Connectors

1. Remove the "Cover PF Motor". Refer to
Motor".
2. Remove the "Unit Opepane". Refer to
3. Remove the "Case" and "Cover Steel L". Refer to
4. Disconnect all connectors from the "SA Main PCB".
J2, J3 (FFC Opepane), J4, J5, J6, J8, J9, J10, J13
Note on reassembling:
• When connecting J3 (FFC Opepane), see on which side the
blue tape is, and correctly insert it in the right direction. If it is
inserted reversely, the circuit is not electrically connected.
(2) "SA Main PCB" and "SA Relay PCB"
1. Remove the 1 screw (BH M3.0x5K) and 2 screws (BH M3.0x4 (NI)), and detach the "SA
Main PCB" Block by lifting it upwardly.
2. Disconnect the "SA Relay Cable" from the "SA Relay PCB".
3. Remove the 4 screws (BH M3.0x4 (NI)) and detach the "SA Relay PCB".
SA Relay Cable
FFC Opepane
H M3.0x4 (NI)
SA Relay PC
CL-E720DT
"3-6-2 Cover PF
"3-6-3(1) Unit Opepane".
"3-6-4
9
8
10
6
3
4
2
J301
3-14
J10
Case".
[SA Main PCB]
H M3.0x4 (NI)
"SA Main PC " lock
H M3.0x5K
5
13
J9
J6
J8
J3
J4
J2
J5
J13