Brother MFC640CW - Page 133

5-47 Confidential
MFC820CW
Media 2
(Compact Flash)
(Ink cartridge/purge
switch harness)
(9-pin)
(USB)
(LAN)
WLAN PCB harness
Head flat cable 2 (19-pin)
Head flat cable 1 (17-pin)
(CIS flat cable) (12-pin)
Speaker harness (2-pin)
PF motor/sensor PCB
harness (7-pin)
Carriage motor harness (2-pin)
(Scanner motor harness)
(4-pin)
(Center panel-main harness)
(5-pin)
Power supply harness
(4-pin)
Media 1
(SM/XD/SD/MS card)
(Front)
Main PCB
MJ-line harness (2-pin)
MJ-main harness 1 (2-pin)
(Battery harness)
(4-pin)
(ADF harness )
(10-pin)
(Color LCD flat cable)
(18-pin)
(6) Remove four screws (three "d" and one "e" screws) from the main PCB, then lift up the PCB.
(7) Remove screw "c" from the main PCB shield frame.
(8) Remove the main PCB film and shield frame.
NOTE: Screw tightening orde
r
First tighten screws "d" and "e" and
then screw "c."
"c": Screw, pan (s/p washer) M3x8
"d": Taptite, cup B M3x8
"e": Taptite, cup S M3x6