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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: 534
Grundig8240Lack of blue.R1958 o/c.14-09-04
Grundig8610Hum bar effect at centre & width reduced.+D ( 36v ) supply reservior cap.14-09-04

Grundig8632GBBlank screen - sound ok.DI1948.14-09-04
Grundig8632GBIntermittent colour.C861 , C863 leaky.14-09-04
Grundig8632GBRaster - int blank screen - sound okDI1948.14-09-04
Grundig8636Bright line in centre over picture.C468 ( 15u f , 25v )14-09-04
Grundig8787deadRU05 & RU15 resistors sprung open & fuse VU09 o/c no other ff14-09-04
Grundig9050 ProjectRaster - blank - int blank raster.Cracks on main board left of tuner/i.f can by hole.14-09-04
Grundig9050 ProjectSound - int sound.Cracks on main board left of tuner/i.f can by hole.14-09-04
GrundigA3106No luminance.Dirty contact on pin 11 of IC2594.14-09-04
GrundigCS9403DeadT60020 = BUZ90A, D600011, 12, 13, 14, 21, 23 = 1N4700, IC60030 = UC3842, R60028 = 0R68 (high) - replace it even if measures ok - known to cause HT variations on chan change or scene changes 14-09-04
GrundigCUCDead - blowing BU208 & TDA4600.R646 ( 270k ) , replace with carbon film type.14-09-04
GrundigCUC 6360 / CUC 6361/ CUC 6365Intermittent no picture, it would fade out with the width getting smaller. HT 150volts was down to 100volts.C672 100 MFD @ 250VW14-09-04
GrundigCUC 6360 / CUC 6361/ CUC 6365No picture, but HT / EHT all ok, picture was blanked out.CT5066 BC858. This is a s.m. device on the video processing pcb. It is on p22 of ic 5040.14-09-04
GrundigCUC120Blank raster & muted sound.Drys in IF unit try on pin 12 were 12v supply comes in.14-09-04
GrundigCUC120Dead - BU208 s/c.Check for C633 ( 100uf ) s/c , R646 , replace C631.14-09-04
GrundigCUC120Dead.C633 ( 100u f ) s/c.14-09-04
GrundigCUC120FIELD FAULTSC2768 D2761 R2761 6R8 PRESETS OR TDA177014-09-04
GrundigCUC120Frame collapse - sound ok.D2764 ( SKE2F1 ) o/c.14-09-04
GrundigCUC120Frame distortion.IC TDA1770 if used , D2761 ( SKE4G1/04 ) , R2761 ( 6.8ohm , .75W )14-09-04
GrundigCUC120Int luminanceC2527 0µ1 faulty14-09-04
GrundigCUC120Interference at sides.IC TDA2595 sync/line osc IC.14-09-04

GrundigCUC120Intermittent going into standby.Change R647 to ceramic.14-09-04
GrundigCUC120Intermittent shut down.Dry joints on L631 off base of chopper Tx.14-09-04
GrundigCUC120Intermittent shut down.IC TDA4600 plus check drys on L631 off base of chopper Tx.14-09-04
GrundigCUC120Lack of frame at bottom when cold.C2768 ( 100uf ) on deflection PCB.14-09-04
GrundigCUC120No cold startC626 reservoir cap o/c14-09-04
GrundigCUC120No luminace.D2536 ( IN4148 ) leaky.14-09-04
GrundigCUC120No picture - EHT & sound ok.D2764 ( SKE2F1 ) o/c.14-09-04
GrundigCUC120No soundC2408 1000µ s/c; R2408 o/c 3R9 on audio board14-09-04
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