UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Metcal RF soldering base unit playing up.

Skywave · 17th Sep 2018, 10:15 pm

Yes, O.K., it may indeed have been a 'reverse-engineered' drawing and, yes, it is better than nothing, but the point is this: what is the prime purpose of a circuit diagram? Answer: So that someone who has a basic working knowledge of electronics circuitry will be able to easily understand how it works. That requires a layout that reasonably reflects the functionality of all items shown in that circuit and the 'logical signal flow' thus arising. The circuit - as shown here - simply fails that critical test in every respect. My post #11, q.v., still applies.

Al.

17th Sep 2018, 10:15 pm	#14
Skywave Rest in Peace Join Date: Jun 2006 Location: Chard, South Somerset, UK. Posts: 7,457	Re: Metcal RF soldering base unit playing up. Yes, O.K., it may indeed have been a 'reverse-engineered' drawing and, yes, it is better than nothing, but the point is this: what is the prime purpose of a circuit diagram? Answer: So that someone who has a basic working knowledge of electronics circuitry will be able to easily understand how it works. That requires a layout that reasonably reflects the functionality of all items shown in that circuit and the 'logical signal flow' thus arising. The circuit - as shown here - simply fails that critical test in every respect. My post #11, q.v., still applies. Al.