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Old 30th Jul 2011, 11:48 pm   #3
kalee20
Dekatron
 
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 7,061
Default Re: circuit diagrams.

A well-drawn circuit diagram is a great help.

The average 5-valve superhet is quite possible to repair without (although when a dozen or more wires terminate on a wave-change switch, I find myself hoping that the fault is somewhere else). And as GrimJosef comments, wires disappearing into a tin box can be baffling - especially if originating from a metallised valve that the pinout details aren't available for (pardon the grammar).

Of course, if the Phantom Fiddler has got there first and made a few modifications, then without the 'proper' circuit diagram, the challenge is very much increased!
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