Samsung BN96-03405A Assembly Board P-Power

this video explains the power-on sequence and how to test the logic board on samsung plasma tvs while in standby mode start with testing the standby voltage at the CN 8:01 connector since the location of the connector pin varies from model to model please refer to the fast track or service manual for detailed instructions connect the negative lead of the voltmeter to the panel's chassis and then connect the positive lead to the standby pin if five volts is present this indicates the SPS is working properly after checking the standby voltage confirm that PS on voltage is being generated the PS on voltage reading should be around 3.3 volts if either voltage is not present suspect a defective SMPS now let's check the power on sequence start by connecting the voltmeter to the PS on then power on the TV the reading will drop from 3.3 volts to approximately zero volts if this does not occur s