Failure Investigation for Electronic Parts
Failure Investigation
for Electronic Parts
Failure Investigation
for Electronic Parts
5 - 10
The hoop does not move normally.
The hoop does not move normally.
Connect it properly.
N
Y
Connect it properly.
Is the FFC (SML2CD-YC) properly connected
to CN1 on the Y area sensor PCB and CN1
on the connect PCB? Is the orientation of
the FFC (SML2CD-YC) correct?
N
Y
Connect it properly.
Is the Y area sensor's lead properly
connected to CN23 on the main
PCB?
N
Is the FFC (SML2CD-CX) properly connected
to CN1 on the X area sensor PCB and CN3
on the connect PCB? Is the orientation of
the FFC (SML2CD-C) correct?
Y
Change the FFC (SML2CD-CX).
Is the resistance between each terminal
at both ends 1 or below when the FFC
(SML2CD-CX) is removed from the PCB?
N
Y
Change the FFC (SML2CD-YC).
Is the resistance between each terminal
at both ends 1 or below when the FFC
(SML2CD-YC) is removed from the PCB?
N
Y
Change the X area sensor PCB.
Does the machine function normally when the X
area sensor PCB is replaced with a reliable one?
Y
N
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