Does Not Operate When The Foot Controller Is Used - Brother CS8000 Series Service Manual

Failure Investigation for Electronic Parts Does not operate when the foot controller is used.
Does not operate when the foot controller is
pressed
Is the resistance between pins 2-3 on the
foot controller jack assy. connector normal?
• Foot controller not connected ... 1Ω or less
• Foot controller connected ... ∞
Connect the foot controller; when the
foot controller is pressed does the
resistance across pins 1-3 of the foot
controller jack assy. connector vary
from several Ω to 10kΩ?
5 - 12
Y
Y
Replace main PCB assy.
www.promelectroavtomat.ru
N
Replace the foot controller
jack assy.
• Replace foot controller
N
or
• Replace the foot controller
jack assy.