Service manual

L9C Monitor
L9C service manual Page 46of 48
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11 TROUBLE SHOOTING HINTS
1.No power
No Power
Change Power Board
Check Power Module
Output CN110
Pin 1,2 = 12V?
Check Scalar Module
Output CN6
Pin 1,2 = 12V?
Change Cable
From(Power module)CN110 to (Scalar/B)CN6
Check Power Button
From Scalar/B(CN4)
to Button/B(CN1)
Check Cable
Open?
Change Cable
Change Switch or Button Board