Panasonic TC-P50ST50 Troubleshooting Manual

Also see for Viera TC-P50UT50: Owner's manual Owner's manual Owner's manual Owner's manual Manual de usuario

Contents

Troubleshooting 3 Fast Blinks Failure At Plug-in (TC-P50UT50)YesUnplug the TV. Connect the negative (Blacklead) of your DC volt- meter on chassisground. Place the positive lead of on pin 10 ofconnector P6 on the power supply. Whileobserving the display on your meter, plug-inthe TV.NoDoes 15Vappear briefly?Start HereReplace the KboardReplace the PboardList of boards likely to cause this symptom.BlinkCode No.1 No.2 No.3 No.4 No.53 Blinks A P K BluetoothModule C3/PanelDoes the TV turnon and stays on?NoYesUnplug the TV and remove connector K1 from the A board.Plug in the TV and press the power switch on the TV.Unplug the TV and reconnect K1. Disconnectconnectors A31 and A32 from the A board.Plug-in the TV.Is the powerLED blinking3 or 8 times?Replace the AboardSlide 13Unplug the blue-tooth module. If theblinking stops,change the blue-tooth module3 times8 TimesDefective Panel or/and the C3 board.To time it takes to isolate the C3 board from thepanel is approx. 30 minutes.To isolate the C3 board, reconnect A31 and A32and remove the metal bracket over the Cboards. Disconnect connectors CB12~CB15from the C3 board and plug-in the TV. If thepower LED stops blinking at plug-in, then thePanel is defective. If the LED blinks 3 times,then the C3 board is defective.