Key Pcb / Panel Pcb / Touch Panel Assy / Lcd - Brother HLL3290CDW Service Manual

 For Touch panel models

9.13.1 Key PCB / Panel PCB / Touch panel ASSY / LCD

(1) Disconnect the Key flat cable from the Panel PCB, and release it from the securing
fixtures.
(2) Remove the five Taptite cup B M3x10 screws to remove the Key PCB pressure from the
Panel unit.
(3) Remove the Key PCB from the Panel unit.
(4) Remove the four Screw pan (S/P washer) M3x12DB screws to remove the Shield cover
from the Panel unit.
(5) Release the Lock to disconnect the LCD flat cable from the Panel PCB. Disconnect the
Touch panel flat cable from the Panel PCB to remove the Panel PCB from the Panel unit.
(6) Remove the Protective sheet from the Double-sided tape to remove it from the Panel unit.
Screw pan (S/P washer) M3x12DB
Shield cover
Panel PCB
Touch panel
flat cable
Protective sheet
Harness routing: Refer to
LCD flat
cable
Lock
Fig. 3-40
"5. Panel unit".
3-59
Key flat cable
Taptite cup B
M3x10
Key PCB
Panel unit
Key PCB
pressure
Confidential