5-14: Guidance of Disassemble the Main PCB & Zero-Gravity actuator PCB
A: Disassemble the backrest assy. ( Refer to
5-1: Guidance of disassemble the backrest assy.
)
B: Locate the main PCB box assy at bottom. Use screw driver slacken and remove the two
screws which fixing the main PCB box assy to the frame.( As pictures below show )
C: Pull the main PCB box out a few. Then use screw driver slacken and remove 6 screws which
secure the main PCB box assy cover. Then remove the cover. ( As pictures below show )
D: Locate the PCB at right of the board. Disconnect all the wire connecters that connected to it.
( As pictures below show )
Locate the 6pcs screws
Main PCB box assy cover
has been removed
Pull the main PCB box
assy
Locate all the wire connecters on the main
PCB
Locate the main PCB
Locate the two screws