Segway NINEBOT ONE S1 - Control Board Components

Frame
40
One S1
Control Board Components
Tools Required
• Phillips screwdriver
• Isopropyl alcohol
• Silicone thermal paste
Disassembly
Make sure the One S1 is powered off and the
charger is not connected.
1. Disassemble the One S1 (page28).
2. Remove the control board (page38).
3. Remove the control board gasket (Figure 51).
4. Unplug the temperature sensor (Figure 45).
5. Using a Phillips screwdriver, remove the nine
screws holding the control board to the heat sink
a. Five screws on top (Figure 46).
b. Four screws on bottom (Figure 47).
NOTE
DO NOT remove the eight fasteners connecting
the FETs to the two aluminum pads (Figure 48).
6. Gently pull the control board off the heat sink.
NOTE
Thermal paste between the aluminum pads and
the heat sink may cause the components to stick
together. Apply rm but gentle pressure. Do not
force the components apart.
7. Use isopropyl alcohol and a rag to remove the
thermal paste from both surfaces.
DO NOT REMOVE
Unplug
Figure 45: Unplug the temperature sensor
Figure 46: Remove ve fasteners on top
Figure 47: Remove four fasteners on bottom
Figure 48: Do not disconnect FETs