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The Picker Does Not Function Normally - Brother PR600II Service Manual

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Failure Investigation for Electronic Parts The picker does not function normally.

The picker does not function normally.

Is the picker sensor's lead properly
connected to CN15 on the main
PCB?
Is the picker motor's lead properly
connected to CN3 on the main
PCB?
Does the machine function normally when the
picker sensor PCB is replaced with a reliable one?
Is the resistance between pins 1 and 2,
and 3 and 4 of the picker motor 4.7 - 5.7Ω,
respectively, when the motor's connector
CN3 is removed from the main PCB?
5 - 16
Y
Y
N
Y
Change main PCB.
N
Connect it properly.
N
Connect it properly.
Y
Change picker sensor PCB.
N
Change picker motor.

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