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Repair tips  

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 15
Harwood14"No R/C or front panel controlCheck mains switch14-09-2004
HarwoodCT14Drifts off tuneCheck D9 - 16 and clean tuning pots/panel14-09-2004
HarwoodCT14No pic - when A1 increased field collaps noticedTDA3651 brought back partial field scan but not until TDA3651 was field fully restored14-09-2004
HarwoodCT14SOUND BUT NO PICTURE - FIELD COLLAPSEREPLACE TDA3651 IF FIELD NOW LOW , CHECK PIN 2 TDA4503 DRIVE SHOULD BE 2v Pk-Pk IF NOT REPLACE TDA450314-09-2004
HarwoodCTV14Dead - HT 114v present coll LOPTrCheck/replace TR3 BC558 & TR4 BC639 line dr trs14-09-2004
HarwoodCTV14Dead 114v on line op transistorReplace both Tr3 BC558 and Tr4 BC639 line drivers14-09-2004
HarwoodCTV14881RCorrugated vertsC611 220µ 25v in psu14-09-2004
HarwoodCTV14881RSERATED EDGES TO PIC - LESS AFTER WARM UPC611 220mfd 25v14-09-2004
HarwoodHTF142SLDead - LOPTx squealing - blows LOPTrC261 22nF leaky14-09-2004
HarwoodHTV4914Int snowy picCrack in print in tuner just after IF pin14-09-2004
HarwoodHTV9014RTrippingEM112 st/by tfmr o/c winding14-09-2004
HarwoodHTV9425RTNJumps when cold & int blank rasterR436 3R9 2w dry joints & hi res (near scart)14-09-2004
HarwoodHTV9425RTNOff with a bangC926 22µ 250v had exploded & C910 47µ 25v, C908 10µ 50v in pri psu14-09-2004
HarwoodHTV9425RTNSync poor when coldC127 3µ3 50v in IF can14-09-2004
HarwoodTS2604PDeadR3 fusible sprung open, 400mA fuse B3 o/c - no supply to RGB L4 in feed o/c14-09-2004
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