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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
FergusonTX90Height excessive - no line sync.D137 ( 68v ) zener leaky.14-09-04
FergusonTX90Height variations - frame bounce.D137 ( 68v ) zener leaky.14-09-04

FergusonTX90Hum bar - no sweep tuning.D908 s/c , R969 o/c , TR916 , TR917 s/c , R966 o/c.14-09-04
FergusonTX90Hum bar on picture - HT low.L120 s/c , TR107 ( BD839 ) o/c.14-09-04
FergusonTX90Int deadMains tfmr int o/c pri winding14-09-04
FergusonTX90Int fuse blowing.Mod uprate fuse from 1A to 1.6A14-09-04
FergusonTX90Int loss of sound & picture.LOPTX14-09-04
FergusonTX90Int syncC124 2n7; C129 68nf14-09-04
FergusonTX90Int tuner drift, hum on pic, field rollint continuity of track near hole by 12v reg14-09-04
FergusonTX90Intermittent sound mute & no channel change.C908n ( 10nf ) leaky.14-09-04
FergusonTX90Intermittent up/down operation - sound muted.C908 ( 10nf ) leaky.14-09-04
FergusonTX90Lack of heightHi res resistors in chain to tr104 base - replaced all 4 with a 22k14-09-04
FergusonTX90Lack of heightR203 behind heatsink 33R o/c14-09-04
FergusonTX90Lack of height may be intermittent.R187 ( 6.2k ) goes high in cct when warm.14-09-04
FergusonTX90Lack of height.D106 leaky.14-09-04
FergusonTX90Line collapse - Int.Cracked print around T103.14-09-04
FergusonTX90Line collapse intermitt - line transistor o/cCheck for cracked print around T103.14-09-04
FergusonTX90Line collapse line transistor blown.C211 base TR113 to +12v if 220nf fit 22nf.14-09-04
FergusonTX90Line collapse line transistor blown.Check D113 if 1N4007GP change to OGF72 from ferguson.14-09-04
FergusonTX90Line foldover in centre; ringing & goes off tuneTr113 line driver tr14-09-04
FergusonTX90Line jitter at low signal levels.C194 change to 4n7f with parallel 680pf.14-09-04
FergusonTX90Line modulated at mains frequency.Check for cracked print on earthy end of scan coils.14-09-04

FergusonTX90LOOKS LIKE FIELD FAULT BUT IS ON TEXT BOARD27Mhz CRYSTAL14-09-04
FergusonTX90LOPT TX & TR s/cReplace D109 ( BYD33 ) & TR107 ( BD839 )14-09-04
FergusonTX90Loss of CRT heaters.LOPTX14-09-04
FergusonTX90Loss of EHT or focus supply.LOPTX14-09-04
FergusonTX90Loss of focus or EHT.LOPTX14-09-04
FergusonTX90Loss of picture or loss of bright/contrast.R231 o/c.14-09-04
FergusonTX90Loss of sync - intermittent.C129 ( 68nf ) int o/c , C124 ( 2n7 ) leaky when warm.14-09-04
FergusonTX90Loud whine & picture frilled 120v rail 115v.TR108 ( BC338C ) o/c , R267 ( 12k ) gone high.14-09-04
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