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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
FergusonTX9Hi HT 135v instead of 115vC147 470µ fallen in value14-09-04
FergusonTX9HT - 115v rail high & will not reduce.C147 ( 470uf ) in 18v supply done down in value.14-09-04

FergusonTX9HTs high from chopper Tx.R170 ( 15k ) high.14-09-04
FergusonTX9Hum from set.Mains transformer - remount on grommets.14-09-04
FergusonTX9Incorrect line frequency.IC TDA9503 TB generator IC54.14-09-04
FergusonTX9Int colour.RV67 delay line balance control o/c.14-09-04
FergusonTX9Int goes to st/by, int vol/txtDry joints mains tfmr st/by panel14-09-04
FergusonTX9Lack of heightR287 1R2 hi res14-09-04
FergusonTX9LACK OF HEIGHT-WIDTHCHECK R186 ( 12K )14-09-04
FergusonTX9Line collapse - fade offTR68 ( T9051V ) Line transistor.14-09-04
FergusonTX9Line collapse - intermittent.TR68 ( T9051V ) line transistor.14-09-04
FergusonTX9Line drift.Locks on AV butt , D916 ( F425 ) on remote PCB.14-09-04
FergusonTX9Line drift.D916 ( F425 ) leaky.14-09-04
FergusonTX9Line freq way offline hold pot 1k 14-09-04
FergusonTX9Line lock lost at sw on & chan change from no sigsConnecting 12v to pin 9 plug 5 cures (take supply from Plug 5/5) Also check D117 on remote pcb of Txt sets or D916 on U725 module on r/c only sets. Causes low volts at pin 9 of IC54 line gen chip14-09-04
FergusonTX9Line output transister blowing at switch on.L o/c print on L65 pin 1.14-09-04
FergusonTX9Line pairing top & bottom.C212 ( 100nf ) o/c.14-09-04
FergusonTX9Lines black across screen.C212 ( 100nf ) o/c.14-09-04
FergusonTX9No chroma.C56 o/c ( voltage on pin 2 of IC52 slightl low )14-09-04
FergusonTX9No colTDA3560 chip faulty14-09-04
FergusonTX9NO COLOURCHECK RV67 PRESET ( 470R )14-09-04
FergusonTX9No colour & low brightnessTDA3560 chip faulty14-09-04

FergusonTX9No colour after 1/2 hour.Control RV67 high or o/c track in chroma delay line cct.14-09-04
FergusonTX9No colour.Delay line velel control ( 470R ) .14-09-04
FergusonTX9No field sync - rolling piclow sync pulses to pin 8 of fop chip - R275 8k2 hi res -next to PL14 scan coils plug14-09-04
FergusonTX9No focus.Focus spark gap may have gone S/C.14-09-04
FergusonTX9No pic - no A1 voltsR232 1k o/c14-09-04
FergusonTX9No pic - sound okR232 1k o/c14-09-04
FergusonTX9No picture - blanked out on teletext.R260 high.14-09-04
FergusonTX9No picture - sound Ok.No 115v rail drys on L104.14-09-04
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