Ceyear 4024 Series Maintenance Manual - Page 12
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5.
Remove the front casing assembly:
Firstly, remove and replace the IF channel plate (7):
a)
Remove 4 fixing screws of the IF channel plate (7),
b)
Remove the interconnecting 50-core flat cables between the CPU board (9) and the IF channel
plate (7),
c)
The installation process is reverse to the removal process.
a. Remove 4 fixing screws
b. Remove 50-core cables
After that, remove and replace the CPU board (9):
a)
Remove the interconnecting 50-core cables between the CPU board (9) and the keyboard (5),
b)
Remove the connection cables between the CPU board (9) and 2 fan components (8),
c)
Remove 4 fixing screws of the CPU board (9), and then remove the CPU board (9),
d)
Remove the connection cable of the battery compartment (10) at the back.
e)
The installation process is reverse to the removal process.
c. Remove 4 fixing screws
a. Remove 50-core cables
Fig. 7 Removal of the IF Channel Plate
Fig. 8 Removal of the CPU Board
d. Remove 6-core cables
at the back
b. Remove 2 fan cables