Citizen CL-S400DT - SA Power Supply

Chapter 3 Disassembly and Maintenance
3-6 Disassembly, Reassembly and Lubrication
CL-S400DT 3-14
3-6-6. SA Power Supply
1. Remove the “SA Cover”. Refer to “3-6-2 SA Cover and SA LCD PCB”.
2. Remove the “Case” from the main body. Refer to “
3-6-3 Case”.
3. Disconnect the “SA Mechanism Frame” from the “SA2 Base Frame”. Refer to “
3-6-4
Disconnecting “SA Mechanism Frame” from “SA2 Base Frame””.
4. Remove the “SA Main PCB”. Refer to “
3-6-5 SA Main PCB”.
5. Unhook 5 claws and then remove the “Cover Power PCB” in the direction of the arrow. ()
* First unhook the claws “A”, “B” and “C” and then “D” and “E”.
6. Remove 4 screws (BH (N), M3x6 (NI)) (), lift the entire “Frame Base” about 25mm (), and
then slide it to the front (to the side where the power switch is located) (). Next, open the
“Frame Base” In the direction of the arrow ().
7. Remove 1 screw (BH (N), M4x5) () and 1 washer (EXT, T (N), 4) to detach the earth cable of
the “SA Power SW Cable”.
8. Remove the power switch of the “SA Power SW Cable” from the “Frame Power PCB” upward
and disconnect 1 connector from the “SA Power Supply”.
9. Remove 2 screws (FH, M3x6) () and detach the AC inlet of the “SA Power SW Cable” from
the “Frame Base”.
10. Remove 4 PCB fixing screws (BH (N), M3x6 (NI)) (), and then detach the “SA Power
Supply”.
11. Disconnect the “SA Power Cable” from the “SA Power Supply”.
12. Peel off the “Sheet Insulation” from the “Frame Power PCB”.
PAC60006
PRC00001
A
B
C
D
E
SA Power Supply
Sheet Insulation
Frame Power PCB
Frame Base
SA Power SW Cable
Cover Power PCB
BH (N), M4x5
FH, M3x6
BH (N), M3x6
(NI)
BH (N), M3x6 (NI)
BH (N), M3x6 (NI)
BH (N), M3x6 (NI)
SA Power Cable
Washer, EXT, T (N), 4
8
8
2
2
3
4
5
6
7
1