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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: 72
B & O2500 LX2802Int reverts to st/by briefly with blank raster on returnTr6 - use BC338-40 as replacement - checks ok out of cct14-09-04
B & O5500Snowy pic, no sound & erratic colIC6 TDA8120 in IF14-09-04

B & OL2500Servicing the L2500Picture on cover & layout.14-09-04
B & OL2500 LStuck in standby.BU508 s/c.14-09-04
B & OL4500Poor pic with blue cast10k B vid o/p Res on CRT base o/c14-09-04
B & OLS5000St/by only with LED dimming when chan butt pressedCheck connections in metal can under crt neck, esp wickman F1& micro, xtal etc - see Sept 91 TV Mag for article14-09-04
B & OLS5000Txt fault - blue blocks darken on lh sideC56 4µ7 25v & check for drys around IC2 on txt pcb14-09-04
B & OLX2500 37XXNO STBY LED SET STUCK IN STBYC14 470uF 16v OC14-09-04
B & OLX5500 3903St/by only after initially being hard to turn onC20 & 25 47µ 50v 14-09-04
B & OLZ5000 3766Won't work on batt - ok on mainsAux sw behind mains sw contacts needed resetting - make sure battery supply is adequate14-09-04
B & OMX1500INT GOES INTO SEEKMOMENTARY SWITCH NEAR MAINS SWITCH INT SC ( REMOTE CONTACT )14-09-04
B & OMX1500Won't tuneTRANSISTOR 7070 LEAKY BC54814-09-04
B & OMX1500 78XX raster but no sound or picture.ICP1640 ( 630mA ) o/c.14-09-04
B & OMX3500Crackling SoundDry joints audio o/p chips IC3 & 4 on PCB10 (bottom board)14-09-04
B & OMX4500Vision buzz & noisy picCheck C176 10µ under screening can14-09-04
B & OMX4500/5000Tuner intDiscard VHF tuner if not reqd or blanket resolder (nearest ae skt)14-09-04
B&OL2500psu shutdownline dr tr 4TR15 BC328-25 o/c b-c14-09-04
B&OMX3500crackling sounddry joints AF o/p chips IC3 & 4 on PCB10 (bottom)14-09-04
Bush1500Brightness excessive with little controlD406 1N4148 o/c14-09-04
Bush1500Off tune & won't stop in searchT101 vis detector coil replaced14-09-04
Bush1500Stuck on 1 chan with no response to R/CCheck front controls & aux contacts on mains sw for leak (Check for black glue)14-09-04
Bush1500Weak, washed out pic - no syncQ104 2SC181514-09-04

Ferguson1500Contrast - excessive.R136 high.14-09-04
Ferguson1500Frame - collapse after 1 min.Crack in track of R104.14-09-04
Ferguson1500Frame - height excessive.C89 ( 1u f ) o/c.14-09-04
Ferguson1500Loss of picture.Faulty ring trap.14-09-04
Ferguson1500No picture or sound with visible raster.Tube evacuation pip.14-09-04
Ferguson1500No sound & only faint modulation.Pin 3 on tuner shorting against earth tag.14-09-04
Ferguson1500No sync.VT7.14-09-04
Ferguson1500Sound hum.C56 , C28 , C12 , C38 , C52.14-09-04
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