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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: 442
Decca120Field cramp when heatedR813 set ht pot R813 10k int slider14-09-04
Decca120Frame collapse.D404 ( BA159 ) , R434 ( 10 ) , TDA1170 )14-09-04

Decca120Frame collapse.IC301 ( TDA1170S ) s/c , R434 ( 10R ) o/c.14-09-04
Decca120Line hold critical - wavering at top of pic.IC TDA2576A , C406 ( 22uf 16v )14-09-04
Decca120Loss of colour.R226 , R244 , R251 high.14-09-04
Decca120Low pitched whistle with sound full blastAlso no tuning - check tripler14-09-04
Decca120No colour.C517 ( 100nf ) leaky.14-09-04
Decca120No luminance.C514 ( 100nf ) leaky.14-09-04
Decca120No tuning - uncontrollable high sound.Tripler!14-09-04
Decca120Poor contrast - control has no effect.R425 , R426 ( 68k ) high.14-09-04
Decca120Sync - line apift then dead.C406 ( 22uf )14-09-04
Decca120Tripping from cold ok when heatedC804 220µ 385v mains smoothing cap14-09-04
Decca120Tuning - no signals ( int ) on some ch only.RM17 ( 560k ) high.14-09-04
Decca120Tuning - no signals snow.RM17 ( 560k ) o/c.14-09-04
Decca120Tuning - no signals.BF959 ( IF pre amp ) o/c.14-09-04
Decca120Uncontrollable high sound - whistle from LTB.Tripler!14-09-04
Decca120Will not switch to standby via remote controlIC SAA1351.14-09-04
Decca120/30BEAM LIMIT FAULT , CONTRAST WEAK.R425 R426 both ( 68K )14-09-04
Decca125Cramped frame after 2 hours.R813 ( 10k ) set HT control int.14-09-04
Decca125Frame collapse.IC301 ( TDA1170S ) s/c , R434 ( 10R ) o/c.14-09-04
Decca125Line hold critical - wavering at top of pic.IC TDA2576A , C406 ( 22uf 16v )14-09-04
Decca125No colour.C517 ( 100nf ) leaky.14-09-04

Decca125No luminance.C514 ( 100nf ) leaky.14-09-04
Decca125Poor contrast - control has no effect.R425 , R426 ( 68k ) high.14-09-04
Decca125Will not switch to standby via remote controlIC SAA1351.14-09-04
Decca130Channel - change intermittent.Focus spark gap on CRT base.14-09-04
Decca130Dead.C816 ( 100u f ) o/c.14-09-04
Decca130Faint picture - sound ok.Caps fitted in error in pos R226 , R244 , R251.14-09-04
Decca130Flyback - lines on bright picture.Change R436 & check C42714-09-04
Decca130Green picture - intermittent.100k resistors on crt base.14-09-04
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