Power Supply Pcb; Color - Brother FAX1170 Service Manual

1.28 Power Supply PCB

(1) Place the machine rightside up.
(2) Disconnect the power-main harness from the main PCB.
(3) Disconnect the relay connector of the head-power harness.
NOTE: To disconnect the relay connector, push the lock of the relay connector to re-
lease.
FAX1170/1270/1010/1020/MFC1770
(NCU connector)
P3
P4 P5
(Modular
PCB
connector)
P12
(Front)
FAX1570MC/1030/MFC1870MC/1970MC
P8
P9
P7
(Modular
PCB
connector)
Power-
main
Main PCB
harness
Head-power
harness
IV – 43
(NCU connector)
P10
P11
P14 P12
P9
(Front)
Hook of the relay connector
P1
P5
P2
P3
P6
Power-
P4
main
harnfess
Main PCB