The People Company SECRET LG Electronics 19LHxx,19LUxx LIPS SVC for improving No Video problem 1. Symptoms : No Video 2. Reason : Inverter FET (P2503NPG of Q302) damaged due to Surge 3. How to improve 1) Check whether Q302 damaged or not at LIPS (This includes Shorted FET) 2) If Q302 Damaged, change New LIPS for SVC as below table. * Usable New LIPS for SVC Check Point : * FET (Q302), Resistor (J310 ~ J306, SMD 2.4K ohm), Barcode Rev.(9.0) FETWithout ResistorWith ResistorLIPS Barcode Revision 9.0 P2503NPGUnusableUsable AOP605Usable APM4550Usable
The People Company SECRET LG Electronics * Usable New LIPS for SVC ( Check Point : * FET (Q302), * Resistor (J310 ~ J306, SMD 2.4K ohm), * Barcode Rev(9.0) - Check FET Position (Q302) Check Resistor Position (J310~J306) - Check Barcode revision No. 9.0, How to change New LIPS to damaged SET This is Barcode revision No. FETWithout ResistorWith ResistorLIPS Barcode Revision 9.0 P2503NPGUnusableUsable AOP605Usable APM4550Usable