9-22 Structure and Assembly/Disassembly
4. Unscrew two M3 step screws fixing PCBA, and remove fan PCBA.
5. Pull out of the fan socket to remove the fan.
9.3.14 Motherboard
The disassembly tool: cross-headed screwdriver (M3, M4), diagonal cutting pliers, anti-electrostatic
glove.
1. Follow step 1 to step 3 in Chapter 9.3.2 to remove the left/right side panels and the front cover.
2. Refer Chapter 9.3.2 to unscrewing the probe assembly.
3. Refer Chapter 9.3.6 to unscrewing the rear cover and IO assembly.
4. Refer Chapter 9.3.9 to Chapter 9.3.11 to removing DC box assembly, PC assembly, engine
board and TR board.
5. Unscrew the M4 X 8 grounding screw on the right side of the device.
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