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Chapter 3 89
19. Disconnect the speaker cable from the SPKR1 on the main board.
20. Remove the two screws (C) holding the main board.
21. Carefully detach the main board and turn it over to access the USB board cable.
22. Detach the USB board cable from the USBCN1 on the main board.
Step Size (Quantity) Color Torque
1~2 M2 x L4 (2) Silver 1.6 kgf-cm