Panasonic TC-P50VT20 Technical Manual

Also see for Viera TC-P50VT20: Specification sheet Operating instructions Service manual Service manual Manual de instrucciones

Contents

Panasonic TC-P50VT20 Technical Manual Manual pdf 78 page image

Slide 78Slide 78Power LED Error Code Definition (1 of 2)POWER LEDERRORCODECIRCUIT MONITORED CONDITIONS TRIGGERINGTHE SHUTDOWN1 BLINLK Panel Information SOSPanel Alarm SOSCommunication problem between the System CPU(IC1100) and the Panel CPU (IC9003)2 BLINKS P15V form the P boardMissing P15V P15V is not been generated by the P board. P15V is been affected by one of the boards it isconnected to (A short circuit of the P15V).Wrong diagnostic by the D board3 BLINKS P3.3V from the D boardMissing P3.3VReasons: The A board is not generating the 3.3V The 3.3V is been affected by one of the C boardsor the Panel (A short circuit of the P3.3V).Wrong diagnostic by the D board4 BLINKS Power Supply outputvoltagesRegulation issues with any of the voltages output from thepower supply.Wrong diagnostic by the D board5 BLINKS P5V from the A boardMissing P5VReasons: The A board is not generating the 5V The 5V is been affected by the SC, SS, A, or C2board (A short circuit of the P5V).Wrong diagnostic by the D board6 BLINKS SC Energy Recovery CircuitAn increase or reduction of the Energy Recovery Circuitoutput (MID).Open connection between connector D20 on the D boardand SC20 on the SC board.Open connection between any of the ribbon cables on theC boards and the D board.Open connection between the ribbon cable/cablesinterconnecting the C boards.Wrong diagnostic by the D board.The following table identifies the areas where a problem is suspected according to the number oftimes that the POWER LED blinks.