Brother FAX4100 Service Manual page 61

• When connecting the speaker harness and hook switch harness* to the main PCB:
- route the hook switch harness* through the ferrite core of the speaker harness,
- make sure that the panel-main harness, speaker harness, and hook switch harness* are
routed through the cutout provided in the bottom insulation film, and
- make sure that the ferrite cores of the pane-main harness and speaker harness lie inside the
bottom insulation film.
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