HITACHI Repair Tips

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Results 930
MakeModelCh:SymptomProblem SolutionSolutionBy:
HitachiNP81CQWhistling - from power supply.DJs on C912 , R905/6.
HitachiNP81CQThin white line travels up screendry joints M601 field o/p device
HitachiNP81CQSync - lack of frame & line sync.R723 ( 22k ) o/c.
HitachiNP81CQStartup - no startup.DJ on pin 4 of T901.
HitachiNP81CQSqueal from chopper Tx at switch on.C909 ( 220u f 160v ) , Dry R702 , C912 , R905 , R906
HitachiNP81CQSplutteringdry joints loptx earth pin
HitachiNP81CQSmall faint raster.C909 ( 220u f 160v )
HitachiNP81CQNo/Int loss of colour.L506 ( P No 2160831 )
HitachiNP81CQInt frame collapse.Drys R607.
HitachiNP81CQInt colourdelay gate pulse coil L506 faulty
HitachiNP81CQHum on picture - varies with picture.Fit 22k in series with D402 if not fitted.
HitachiNP81CQHIGH BRILL VERY INTZD802 5.1v ZENER ON CRT BASE
HitachiNP81CQFrame - int frame collapse/top crampingC608 ( 22u f )
HitachiNP81CQFrame - foldover at top.C610 ( 220u f )
HitachiNP81CQFlyback lines on picture.C715 ( 4.7u f 250v )