Operation Button Does Not Work - Brother CE-5500PRW Service Manual

Failure Investigation
for Electronic Parts

Operation button does not work.

Is the resistance for the start/stop button,
reverse/reinforcement stitch button and needle
position button normal?
* In case of models not equipped with the start/stop button.
Is the resistance for the reverse/reinforcement stitch
button normal?
• Switch depressed : 1Ω or less
• Switch released : more than 1MΩ
Is the main PCB assy. attached
correctly?
(Is the BW switch OFF?)
Replace the main PCB assy.
Operation button does not work
Y
Y
N
Replace the SSVR PCB assy.
N
Attach the main PCB assy.
correctly.
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