A40B
Instruction Manual
32
Output N-Type Connector Replacement (Coaxial Shunts)
Use the following procedure to replace the N-type output connector:
1. Remove the output end plate (Figure 11-
D
).
2. Remove the 3 mm screws, nuts and washers from the N-type connector.
3. Using solder braid and the solder suction tool, remove the solder from the N-type
connector base plate, PCB
C
.
4. The inner pin of the N-type connector is connected by 18 mm (0.71 inches) of 20
SWG tinned copper wire to PCB
B
. See Figure 13. Working between and taking care
not to damage the PCB struts, melt the solder attaching the wire from the back of
PCB
B
and withdraw the N-type connector. It may be necessary to repeat both solder
removal steps until both the base and the center pin are free.
5. Remove excess solder from the connector pad on PCB
B
and
C
.
6. Mount the new connector to the Current Shunt with the original screws and washers.
Take care that the 20 SWD wire is correctly located through PCB
B
.
7. Position the nuts with the magnetized wrench and tighten the screws until the
connector is securely positioned. Do not fully tighten the screws as the N-type
connector may settle when residual solder melts.
8. Solder the N-type connector base to the end PCB. Then, working between the PCB
struts, solder the connector wire to PCB
B
.
9. Fully tighten the 3 mm screws securing the connector.
10. Clean any flux residue from the soldered areas taking care not to get cleaning fluids
on the shunt resistors.
11. Replace the end plate and binding post.
1
8
mm
feh012.eps
Figure 13. Output Voltage Connector
Summary of Contents for A40B
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