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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
Grundig1000 seriesNo power upTR540 BC847 in micro reset circuitry.14-09-04
Grundig1001 seriesNo greenBC847 near to the Y/C proc IC14-09-04

Grundig1002 seriesNo colourripple on Pin 39 of IC800 the Y/C chip. Resoldering the components in this area cured the fault even though nothing looked dry jointed.14-09-04
Grundig1003 seriesField collapseHT feed R200 a 4R7, no apparent reason for it's failure.14-09-04
Grundig1004 seriesExcess Greensm cap C904 1n between base and emitter of the o/p tr14-09-04
Grundig1510Dead - intermittent.Crack in print.14-09-04
Grundig1510BSound - intermittent or no sound.Poor joints on speaker wires.14-09-04
Grundig1510GBDead.C863 leaky.14-09-04
Grundig1510GBIntermittent or no colour.R587.14-09-04
Grundig2275LINE WOBBLE , WORSE WHEN COLDC2731 ( 100uF , 63V ) ON DEFLECTION PANEL14-09-04
Grundig2401TrippingCHECK L-O-TRANS & L51914-09-04
Grundig2401TRIPSL519 SHORTED TURNS14-09-04
Grundig3022No sound.Line osc IC.14-09-04
Grundig3402Switching on problems - Hum.Relay contacts jammed o/c.14-09-04
Grundig3500 ChassisNo tuning , check pins 13 , 15 of tuner/IF for tuninIf stuck at 30v replace SDA3202 and SDA251614-09-04
Grundig5010Frame - int frame collapse or bounceL447.14-09-04
Grundig55 245BLOWS LOP. TRANSISTOR ( MAY RUN FOR SHORT TIME. )CHECK 220mfd BASE DRIVE14-09-04
Grundig6010Tripping.LOPTX14-09-04
Grundig6100No picture - sound ok.D2764 ( SKE2F1 ) o/c.14-09-04
Grundig6100Tuning drift.Warped cabinet pushing onto p/b unit.14-09-04
Grundig6210GBInt no colour.C861 , C863 leaky.14-09-04
Grundig63 - 270LINE PHASE OFF TO RIGHTC 514 150 pf 1600v ( FEED FROM LOPT TO PIN 10 OF DEFLECTION MODULE. )14-09-04

Grundig6415Loss of sync - int.IC TMS3755 IC on 'abstimm baustein' module.14-09-04
Grundig6610GBInt no colour.C861 , C863 leaky.14-09-04
Grundig70 340BLOWS P.SUPPCHECK C66714-09-04
Grundig717No raster - distorted sound.DL701/703 C708/709.14-09-04
Grundig7400Int loss of sound & picture.DJ on IC681 ( MC78M15CT ) 15v reg to IF strip.14-09-04
Grundig7400No picture.D2751 on deflection module.14-09-04
Grundig7890Loss of 45v railIC430 TDA8350Q14-09-04
Grundig80Smeary picture - intermittently.Luma delay line leaky.14-09-04
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