HITACHI Repair Tips

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Search: HITACHI
Results 930
MakeModelCh:SymptomProblem SolutionSolutionBy:
HitachiNP87SET INT WON'T COME ON + BLOWS LINE OP TRANSISTOR EC917 IN POWER SUPPLY 4u7
HitachiNP86INT LOSS OF PIC , GOES DARKXTG2 17.73Mhz CRYSTAL ( IN TEXT MODE PIN 9 IC13 SHOULD BE 4v , IN MIX IT SHOULD PULSE , TV MODE ZERO. )
HitachiNP86BLANK RASTER + NO SOUNDTDA4505 US-CHECK TYPE No-
HitachiNP85CQNo soundTDA4505 -2Y chip faulty - Mod kit reqd to use TDA4505E
HitachiNP85CQDead - normal volts at crt baseDry joints D920, 919 in psu
HitachiNP85CQblank raster no soundTDA4505 no vid o/p chip faulty TDA4505E will work
HitachiNP85Teletext - coming over Tv picture.IC2101 ( SAA1272 ) , SAA1251.
HitachiNP85Appears dead but voltages on tube baseD920 , D919 in psu dry jointed or oc.
HitachiNP84CQ/2NO PIC + SCREAMSLOPT + TRANSISTOR SC
HitachiNP84CQ/2line - tear - pulling & drift.C214 ( 470uf ) of pin 7 of IC201
HitachiNP84CQ/2Int blowinf fuse.TH901 posistor.
HitachiNP84CQ/2Distorted sound.R423 ( 56R ) high in value.
HitachiNP84CQ/2Dead.STR4211 IC901 power supply IC s/c , also change2.7v zenor
HitachiNP84CQ/2DEAD BUZZES , ZD953 S/CC908 4u7 160v
HitachiNP84CQ/2Channel display no other functionsReplace Q902