Troubleshoot Phillips 483x at converter stage (ech4 tube) (Techniek Radio/TV)

door Sieme , Niekerk, 17.06.2018, 11:26 (2133 dagen geleden) @ Radiosterk

Are you sure about the mixer type number?
Equivalent chassis for the Dutch market used ECH3's.
An ECH4 needs an outside connection ,3rd mixergrid -osc.grid (5 and 6),
and different triode and kathode connections .

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het experiment heeft altijd gelijk