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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: 509
ITTCT3425 80RFlyback - white screen & flyback lines.A1 control cracked , R544 ( 820k )14-09-04
ITTCT3425 80RStandby - going into standby.IC1404 5 volt Reg.14-09-04

ITTCT3425 80R 110°Standby - intermittent going to standby.Power Tx on main PCB by loptx.14-09-04
ITTCT3435St/by onlyLOPTx - LOT192 Grandata u/s14-09-04
ITTCT3436 TrimlineBrightness at maximum.T1412 ( BC546 )14-09-04
ITTCT3437 Comp BNo startup just a low single thud.LOPTX D050/37 TFAT 380614-09-04
ITTCT3537Int deadIC405 5v reg14-09-04
ITTCT3725/1 80RStuck in standby - with a noise from LTB.D732 ( BY500-400 ) s/c can use a RGP3014-09-04
ITTCT3835NO PICTURE RASTER OKT401 BC548 OC ( NO SANDCASTLE PULSES )14-09-04
ITTCT3835 Comp 80Going into standby after a few minutes.C703 ( 10u f , 50v ) little blue one.14-09-04
ITTCT600 80RLine pulling or jitter intermittent.Pk on video button - check VCR switch for grease on pins14-09-04
ITTCT600 CVC823Line pulling - two or three times a second.VCR switch on PB unit.14-09-04
ITTCTV1204 CVC1204Dead.Blows BU508 at switch on , check C701 for s/c.14-09-04
ITTCVC100dead with whistling only from psuNo 115v HT - 120v zener D658 leaky14-09-04
ITTCVC1100Blank raster & flyback lines int.Crack in print from 12v reg on stand up side panel.14-09-04
ITTCVC1100Brightness low / over scanned after new LOPTXThe LOPTX just fitted is faulty!14-09-04
ITTCVC1100dead1A fuse o/c; BU536 s/c; D658 120v zener s/c; T713 BC328-25 leaky b-e14-09-04
ITTCVC1100Dead - fuse Si651 Blown.D658 ( ZPY120 ) s/c. ( over-voltage protection )14-09-04
ITTCVC1100Dead - HT rail down to around 40v.R722 ( 4.7R ) o/c.14-09-04
ITTCVC1100Dead - no 115v rail.Fuse o/c , D658 s/c , if run with D658 will damage CRT.14-09-04
ITTCVC1100Dead - R514 burnt up.D504 s/c.14-09-04
ITTCVC1100Distorted sound.C228 ( 100uf , 16v ) in CMR IF.14-09-04

ITTCVC1100No sound on VCR operation.R631 o/c.14-09-04
ITTCVC1100No sound via VCR button.R601 or R631 o/c.14-09-04
ITTCVC1100Picture modulated in sympathy with sound.T602 s/c , & check screw at rear chassis for poor con.14-09-04
ITTCVC1100Small picture with hum bar.D711 10V zener.14-09-04
ITTCVC1100Sound - weak.C228 ( 100uf , 16v ) in CMR IF.14-09-04
ITTCVC1100Whistling/strainingLow HT approx 50v; C716 10µ 350v14-09-04
ITTCVC1102Slightly off tune - no col/soundSAA1174 chip in control panel14-09-04
ITTCVC1110Int vertical jitter & poor line sync.T860.14-09-04
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