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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: 55
AkaiCT2137Field scan only I"No 33v via R442 - 5R16 8k2 o/c14-09-04
AkaiCT2137UKTNo sound except hiss - ok through scartwhen a 6Mhz resonator was fitted in vacant place 30F1 sound ok14-09-04

AkaiCT2137UKTVision buzzRemove digital transistor 9tr9 14-09-04
GrundigCUC2131No powerR60502 (3M Ohm 2watt) open circuit14-09-04
HitachiC2133TNDead - st/by only12v supply missing Pin 16 TEA2164 chopper chip - VE07 BC858B sm on front panel s/c14-09-04
HitachiC2133TNField - only half fills screen with scrolling graphics & blank rasterNS10 fop chip TDA8350Q, RS04 5k6 ?w chip res from pin 8 to chassis, safety res RK68 10R ?w pin 8 chip &C029 220µ, CK68 100µ14-09-04
HitachiC2133TNLine driver trfrmr blows aft 20 minsDiode in damping cct across pri of line dr trfrmr faulty14-09-04
HitachiC2133TNNo line driveLine driver Tr s/c but new one overheated & failed; VK11 & VK16 dry joints14-09-04
HitachiC2133TNNo soundMSP3410 Nicam dec chip14-09-04
HitachiC2133TN (Nokia)Field only ? size with osd scrolling - rest of raster blankField o/p chip NS10 TDA8350QRS04 chip resistor (5K6/0.25W) from pin 8 to deck. Safety resistor RK68 (10R/0.25W) to pin 8 of chip from 43 volts supply & check the two caps smoothing the 43 volt supply rail from the LOPT C069 (220uF) CK68 (100uF)14-09-04
HitachiC2133TN (Nokia)Snowy raster only - no osddis clock/data lines from 64 pin nicam proc chip brought back pic - chip faulty (?35)14-09-04
HitachiC2133TN StereoDEAD , JUST SBY LIGHTNO 12v TO TEA2164 IC - VEO7 ( BC858 ) S/C. FRONT PANEL14-09-04
HitachiCPT2138Blank grey raster, no sound for first few minsC922 470µ 25v hi esr14-09-04
NEI2131BLANK RASTER WITH SOUNDTDA3653 FIELD OP. IC.14-09-04
NEI2131FIELD COLLAPSE NO FIELD DRIVED001 TAA550 33v STABILISER US ( FEEDS REFERENCE INTO TDA8305 )14-09-04
NEI2131Field collapse/ int height & going off tuneD001 TAA550 33v volt stab faulty - (feeds IC100 TDA8305 jungle chip)14-09-04
NEI2131Field lineararityC407 ( 1 , 500uF ) 50V14-09-04
NEI2131No pic - sound okPin 8 TDA3651A sandcastle pulse low - TDA3653 pin 7 FOP chip was cause - FOP chip faulty14-09-04
NEI2131No soundCheck for D/J on Speaker plug14-09-04
NEI2131Sound No picR605 ( 5K6 ) 2Watt14-09-04
NEI2131TXDead - off with a bangLOPTr Q600 s/c because C604 1µ 160v was dry jointed, also D604 BA157 s/c, R609 10k burnt up14-09-04
NEI2131TXInt deadDry joints L802 in psu - virtually invisible14-09-04

Panasonic2622 / 2213 TX2DEAD , MAY BE SQEALING IC501 PIN 5 XRAY PIN. NORMALC561 , 1 mfd , C809 , 1mfd , C853 , 100mfd , C854 , 47mfd14-09-04
SamsungCI1213RDead - PSU starts up then shuts downL110 in HT feed to LOP stage dry joint14-09-04
SamsungCI213RInt deadMains bridge rect int o/c14-09-04
SharpCV2131HDead - no line driveReplace FOP IC X0640CE with equiv. LA7830 & 220mf cap. and the 4.7ohm safety feed res by LOPTx14-09-04
SharpCV2131SCDead - led lights briefly at sw onC723 3µ3 63v bipolar cap 14-09-04
SharpCV2131SCFlyback lines at top of picC502 220µ 25v14-09-04
SharpCV2133Hdead set standby light comes on and dies awayC723 4µ7 non pol cap14-09-04
SharpCV2133HField collapseIC801 IX0712CENI or M51390ASP jungle chip14-09-04
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