Brother CS8000 Series Service Manual page 191

Failure Investigation for Electronic Parts The workspace lamp does not light.
From previous page
When CN6 (S2) or CN1 (S3) on the
main PCB assy. is connected to another
LED lamp SL assy., does the lamp light?
When CN3 (S2) or CN2 (S3) on the
operate PCB assy. is connected to another
LED lamp SR assy., does the lamp light?
Replace main PCB assy.
N
N
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Y
Replace the LED lamp SL assy.
Y
Replace the LED lamp SR assy.
S2 : CS8000 Series
S3 : CS8100 Series
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