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Panda 39 inch panel is a common panel used in almost every TV here is no display problem in this panel first of all we need 12 volt in VCC panel in this IC 12 volt is okay and docHubed DC to DC IC but 3.3 volt is not out there is not even short circuit in 3.3 volts so we blindly change DC to DC IC here we can replace IC with different part number in place of this one. mostly IC are of similar features if input output pin aligns we can grab IC from any broken panel PCB board it is more likely to heat from bottom to extract this integrated circuit now here 3.3 volt is ok but still screen is blank In this case, boost voltages like VGL VGH AVDD VCOM are not released so letamp;#39;s have a look if thereamp;#39;s something else Low ohms in between VGH and VGL means there is definitely short circuit in Gate line So to split gate path we need to cut either VGH or VGL line now there is not any short circuit thatamp;#39;s why voltage is r