Samsung DMR57 Training Manual page 59

No Power Troubleshooting Continued
1. Check the connections of the power plug.
2. Check the voltage of the power outlet. Normal: AC 120V
3. Check whether the fuse is open.
4. Check the wires of the Main board power supply.
- Measure the voltage between the black wire and the
white wire of CN1. Normal: AC 120V
To test for a no power condition start by: 1. Check the connections of the power
plug. 2. Check the voltage of the power outlet. Normal: AC 120V 3. Check
whether the fuse is open. 4. Check the wires of the Main board power supply.
Measure the voltage between the black wire and the white wire of CN1. Normal:
AC 120V
CAUTION: This is 120VAC line voltage.
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