simonetta U603

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inecik
Freiburg Automatic
Freiburg Automatic
Beiträge: 118
Registriert: Mi Sep 30, 2009 14:56

simonetta U603

Beitrag von inecik »

Dear friends, please help me I need a schema for simonetta U603 radio.I replacement elektrolitik capacitor and the radio played very well but after I tried again for playing but no playing.UY85 tube glowing very much BLUE ligt.and very hot but UL41 tube is warm, there is no noise, heaters are glowing.I think that ; this radio have 4 series resistor before UY85, perhaps these resistors are faulty. but there is no marks on 2 resistors.
Christoph
Kuba Komet
Kuba Komet
Beiträge: 1178
Registriert: Fr Aug 21, 2009 20:57
Kenntnisstand: Elektrotechnischer Beruf/ Studium

Re: simonetta U603

Beitrag von Christoph »

If Tube is glowing blue, it might be damaged.
Blue glowing means mostly bad vacuum.
Grüße
Christoph