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Old 1st Dec 2020, 1:06 pm   #13
Dekatron
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Join Date: May 2009
Location: Linkoping, Sweden
Posts: 1,179
Default Re: VCM 163 problem while calibrating

What transistors did you use for VT2 & VT3?

The mA/V (gm) meter is shorted in the "dot" position on the mA switch.

Did you check all other components on the amplifier/oscillator boards and the voltage driving them?
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