
– 71 –
14. Check voltage between Power Supply Board CN
103 pins 1 and 5.
• If 18 VDC is not present, replace Power
Supply Board.
• If 18 VDC is present, continue to next step.
15. Check voltage between Smart Board CN103 pins
1 and 5.
• If 18 VDC is not present, wire is open
between Smart Board CN103 and Power
Supply Board CN103.
• If 18 VDC is present, replace Smart Board.