GRUNDIG Repair Tips

Model:Make: Symptom:

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Results 554
MakeModelCh:SymptomProblem SolutionSolutionBy:
GrundigG1000bright raster sound okR316 10R in HT o/c Also replaced rect & smoother to be safe
GrundigG100Bright white raster - sound okR315 100R 1/4w fusible o/c
GrundigCUC95No pic, heaters or EHT - no line pulses from TDA1950EHT cap had been arcing and caused demise of TB chip TDA1950 & TDA1770 field chip
GrundigCUC95Field collapseall 3 field pre-set pots had been twiddled & broken - replacement cure
GrundigCUC95Dead - BU208 s/c.R646 high.
GrundigCUC7890Focus poorC07 680pF 12kv leaky
GrundigCUC7861St/by only - started as line collapseR503 4R7 safety res, TDA8350, D503 BY228 s/c & T572 2SD1432 breaking down under load - also check D502, D438 33v zener
GrundigCUC7861Sound from bass speaker weakCT4140 BC849C sm tr o/c
GrundigCUC7861Poor field,no tuning, no col, smeary pic45v supply low due to R552 2R2 o/c
GrundigCUC770LINE TEARINGCHECK OR CHANGE C501 ( 1000uF , 25V )
GrundigCUC7530No H drive(BC848) which is used as a line protector.
GrundigCUC740Sound couldn't be reduced &"88" in displayMC144111 IC2335 on tuning pcb
GrundigCUC740Pulling/rolling with weak syncreplace 2 x 1µ caps & 1 x 10µ cap in IF module
GrundigCUC740Pulling/Rolling - weak sync2 x 1µ & 1 10µ cap in IF module