Brother PR600 - The Hoop Does Not Move Normally

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Failure Investigation
for Electronic Parts
Failure Investigation for Electronic Parts The hoop does not move normally.
Change Y area sensor PCB.
Does the machine function normally when the Y
area sensor PCB is replaced with a reliable one?
Y
N
Change connect PCB.
Does the machine function normally when the
connect PCB is replaced with a reliable one?
Y
N
Change X motor.
Is the resistance between pins 1 and 2,
and 3 and 4 of the X motor 5.4 - 6.8Ω,
respectively, when the motor's connector
CN3 is removed from the connect PCB?
N
Y
Change Y motor.
Is the resistance between pins 1 and 2,
and 3 and 4 of the Y motor 5.2 - 6.4Ω,
respectively, when the motor's connector
(CN20) is removed from the main PCB?
N
Y
Change main PCB.
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