The Hoop Sensor Does Not Function Normally - Brother PR600II Service Manual

Failure Investigation for Electronic Parts The hoop sensor does not function normally.
The hoop sensor does not function
Is the hoop sensor tuned correctly?
Is the FFC (SML2CD-X) properly connected
to CN1 on the hoop sensor PCB and CN2
on the X area sensor PCB?
orientation of the FFC (SML2CD-X) correct?
Is the FFC (SML2CD-C) properly connected
to CN1 on the X area sensor PCB and CN4
on the connect PCB? Is the orientation of
the FFC (SML2CD-C) correct?
Is the FFC (SML2CD-Y) properly connected
to CN1 on the Y area sensor PCB and CN2
on the connect PCB? Is the orientation of
the FFC (SML2CD-Y) correct?
Is the Y area sensor's lead properly
connected to CN19 on the main
PCB?
Is the resistance between each terminal at
both ends 1Ω or below when both ends of the
FFC (SML2CD-X) are removed from the PCB?
normally.
Y
Is the
Y
Y
Y
Y
Y
To the next page
N
Connect it properly.
N
Connect it properly.
N
Connect it properly.
N
Connect it properly.
N
Connect it properly.
N
Change FFC (SML2CD-X).
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