UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Making a new meter for the AVO VCM Mk III, Mk IV, CT160 and CT160A.

glowinganode · 23rd Jun 2012, 5:14 pm

You'll see there's a similar de-coupling capacitor connected to pin 4.
The 0V rail is the centre tap of the transformer, the mid point of the two zener diodes and the right hand input (original meter) terminal.
Rob.

23rd Jun 2012, 5:14 pm	#17
glowinganode Octode Join Date: Apr 2009 Location: Aylesbury, Buckinghamshire, UK. Posts: 1,522	Re: Making a new meter for the AVO VCM Mk III, Mk IV, CT160 and CT160A. You'll see there's a similar de-coupling capacitor connected to pin 4. The 0V rail is the centre tap of the transformer, the mid point of the two zener diodes and the right hand input (original meter) terminal. Rob. __________________ We have done so much, for so long, with so little, we are now qualified to do anything with nothing.