Samsung UE9Z Training Manual page 63

Troubleshooting
No power AND No Video
Power cord on
Check 'Stand-By A5.3V'
5.3V appear at BD213?
0V to 5.3V (CN201 #4)
Check 'SW_POWER'
more than 3.3V appear at CN201(#2)
0V to 3.3V↑ (CN201 #2)
Check 'Power input of Main Ass'y' ?
DC B13V, B5.3V appear at
CN201 #11,12,13(B13V)
CN201 #1,3 (B5.3V)?
0V to 13V (CN201 #11,12,13)
0 to 5.3V (CN201 #1,3)
YES
Set On
YES
NO
Cause : There did not supply the power from SMPS
measure : Change 20p power cable and SMPS
NO
Cause : Macom(IC1204) did not control the SW_Power
measure : Change the Main Assy
NO
Cause : There did not supply the power from SMPS
measure : Change 20p power cable and SMPS