Panasonic PT-50LCZ70 Service Manual

Also see for LIFI PT-50LCZ7: Operating instruction Operating instructions Service manual

Contents

SOS Information[POWER Indicator nine blinks]Communication error between Peaks (IC8001) and TV microcontroller (IC6004) detection circuit[LAMP Indicator two blinks]Lamp does not light up detection circuit[LAMP Indicator three blinks]Lamp failure detection circuit[LAMP Indicator four blinks]Abnormal Lamp temperature detection circuit[LAMP Indicator five blinks]Lamp communication error detection circuit[LAMP Indicator thirteen blinks]Abnormal Lamp input voltage (+26V) detection circuit+12VAbnormal voltage (LCD+17V line) detection circuit[POWER Indicator ten blinks]SOS: 0V on LCD+17V lineMAIN P.C.B. POWER P.C.B.IC6004 (TV MICROCONTROLLER)LCD+17V SENS 10LCD+17 VSUB+5 V+17VCN1101CN10039 9NormalSOSMAIN P.C.B.POWER P.C.B.RF AMP POWERSUPPLY P.C.B. LAMP UNITIC6004 (TV MICROCONTROLLER)LAMP ON (H) 88CN60052LAMP TXD 66 1LAMP RXDLAMP ON (H)LAMP TXDSUB+5VLAMP RXD+26VGNDAC INAC IN67 73RL802Q806AC LINEFILTERAC LINEFILTERF8018A/125VTV SUB ON (H)AC INQ6018Q6005Q6008Q6017NormalSOSMAIN P.C.B.PANEL STATUS (SOS (L))IC6004(TV MICROCONTROLLER)13IC8001 (PEAKS)PANEL STATUS (SOS (L))G112CN851CN1CN151TEMPERATURESENSOR+26VGNDPT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ723