Quote:
Originally Posted by DonaldStott
Lastly, for now, I'm still intrigued (perplexed?) by some undocumented wires and connections in and around V5 - the common chassis tag for C27 and C29 has a wire running to Pin 3 on V5 and from there another short wire leads to another chassis tag. I've no idea what these are for or what they are doing as Pin 3 in unused in V5??
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Manufacturers often used unused valveholder pins as 'anchor tags'. Quite simply if there was a spare, unused pin on a valveholder it could be used as a convenient solder tag for other wires connecting to other parts of the circuit.