Brother MFC-J3520 Service Manual page 199

(3) Unlock the Connector 1 and disconnect the Flat cable from the LCD PCB ASSY.
(4) Unlock the Connector 2 and disconnect the Flat cable from the LCD PCB ASSY.
Lock
Connector 2
(5) Lift the LCD PCB ASSY from the Panel upper cover.
(6) Disconnect the three Flat cables from the LCD PCB ASSY.
LCD PCB ASSY
Flat cable
Hook
Flat cable
4b
4a
LCD PCB ASSY
Fig. 3-86
Flat cable
Fig. 3-87
3-79
3b
3a
Lock
Connector 1
Flat cable
Panel upper cover
Flat cable
Confidential