Grundig T55-731 CUC7303 / FET TYPE Repair Tips


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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Grundig T55-731 CUC7303 / FET TYPE
Dead bridge and chopper transistor s/cIf no D663 fitted this is version 2 has fet and UC3843. Failure of p.s components caused by C669 dry jointed. Check/change FET BUZ90, D667 BA157, R661 4.7k not 220r version 1, R666 and R667 56r 1w, R663 10r and the UC3843. All values for 20"