Brother MFC5490CN Service Manual page 180

(4) Disconnect the speaker harness from the main PCB and release it from the cable guides
provided on the upper cover.
(5) Remove the speaker spring (wire spring) and the speaker from the pocket provided on the
upper cover.
Upper cover
Speaker spring
Speaker
Cable guide
Assembling Note: After mounting the speaker and its spring into the pocket provided on
the upper cover, route the speaker harness through the cable guides on the upper cover as
shown below.
Speaker spring
Speaker
Cable guides
Speaker harness
Cable guide
Speaker spring
Speaker harness
Main PCB
Connector for
speaker harness
6-30
Connector for
panel-main harness
Upper cover
Cable guides
(6_19_BHL9_A4)
Upper cover
(Front)
Main PCB
(6_23_BHL9_A4)
Confidential