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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: 1771
FergusonTX10Teletext - interference pattern on teletext.Change C415 from 100n to 1u f.14-09-04
FergusonTX10Teletext lines at top of picture on video ch.TR771 ( ZTX450K ) o/c.14-09-04

FergusonTX10TrippingCHECK L-O-TRANS AND LOPTY14-09-04
FergusonTX10Tripping - & frame collapse in between tripsDJ on earth connection of LOPTX14-09-04
FergusonTX10Tripping - after 1 min - line hunting.D831.14-09-04
FergusonTX10Tripping - after 10-20 mins.Fault caused by fitting K526/5518T in TR831.14-09-04
FergusonTX10Tripping - comes on if set-ht is reduced.C711 , C712.14-09-04
FergusonTX10Tripping - from cold & chopper transistor hotR704 ( 27R , 1W ) gone high.14-09-04
FergusonTX10Tripping - hum - flashing with line tear.150v rail min setting R813 ( 121R ) goes low.14-09-04
FergusonTX10Tripping - intermittent.Insulation breakdown between line OP transistor.14-09-04
FergusonTX10Tripping - intermittent.R813 critical value.14-09-04
FergusonTX10Tripping - most common thing.TR831 ( BU208A ) , R613 ( 10ohm ) flat w/w14-09-04
FergusonTX10Tripping - on channel change.D801 ( 6.2v zenor ) , R810 ( 150k ) o/c.14-09-04
FergusonTX10Tripping - on peak whites.Change R706 from 100k to 22k.14-09-04
FergusonTX10Tripping - replacement LOPTx cures fault but only for a short while before it diesD831 BY255 was knocking out loptx NOTE loptx is small tfmr - NOT EHT tfmr14-09-04
FergusonTX10Tripping - resistor R722 getting hot.IC801.14-09-04
FergusonTX10Tripping - stops if disconect scan coils.D832 test by replacment.14-09-04
FergusonTX10Tripping - stops when disconect focus unit.DJ on earth CRT base.14-09-04
FergusonTX10Tripping - stops when PL4 is unplugged.T721 LOPTX has shorted turns.14-09-04
FergusonTX10Tripping - then dead - no 205/150/22/12V RailR724 ( 1k2 ) o/c , R613 ( 10R ) flat w/w 12volt Reg feed.14-09-04
FergusonTX10Tripping - wavy vertical lines - field roll.R813 ( 121k ) high.14-09-04
FergusonTX10Tripping - width decreases.D831 ( B7188 ) high.14-09-04

FergusonTX10Tripping - with field roll - intermittent.Tracking between FB721 & core of chopper TX.14-09-04
FergusonTX10Tripping - with sound hum - no picture.D702 low res ( 15r ) .14-09-04
FergusonTX10Tripping - with white raster.C655 ( 470u f ) s/c.14-09-04
FergusonTX10Tripping esp at sw onfocus control - corona discharge14-09-04
FergusonTX10Tripping -hum/flashing-line tear intermittent150v rail min setting R813 ( 121R ) goes low.14-09-04
FergusonTX10Tripping.Small Transformer T721 at back left hand side.14-09-04
FergusonTX10Tripping.T721 in LTB.14-09-04
FergusonTX10Tripping.Check for good earth on CRT aquadag.14-09-04
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