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From: "Edward Rawde" <invalid@invalid.invalid>
Newsgroups: sci.electronics.design
Subject: Re: LT Spice looks
Date: Thu, 14 Nov 2024 12:21:45 -0500
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"Liz Tuddenham" <liz@poppyrecords.invalid.invalid> wrote in message news:1r30v1o.1i0ovwuasvnl4N%liz@poppyrecords.invalid.invalid...
> Edward Rawde <invalid@invalid.invalid> wrote:
>
>> "Liz Tuddenham" <liz@poppyrecords.invalid.invalid> wrote in message
>> news:1r307zo.v2hb321oo3t6gN%liz@poppyrecords.invalid.invalid... > Edward
>> Rawde <invalid@invalid.invalid> wrote: > > [...]
>> >>
>> >> If the netlist and PCB layout is correct then why waste time on making the
>> >> schematic look like you want it, only to be told by someone else that they
>> >> would have drawn it completely differently?
>> >
>> > If you were a service engineer with the customer breathing down your
>> > neck, which diagram would you prefer, 'A' or 'B' ?
>> >
>> > http://www.poppyrecords.co.uk/other/CircuitDiagrams.gif
>>
>> When I was a service engineer there was no such thing as a schematic and I
>> often had to make do without a circuit diagram at all. On rare occasions a
>> repair had to wait for a circuit diagram to arrive by post and when it did
>> it could easily contain circuit A.
>>
>> I'm not suggesting that your B layout isn't preferable but in the real
>> world A will often be encountered.
>
>
> I suppose it depends on whether it was drawn by a wireman or by the
> designer.  Small firms often benefit from more direct contact between
> the designer and the user or repairer.

Many circuit diagrams I encountered were clearly not drawn by the designer.
Another issue with circuit diagrams from times gone by would be a line which went nowhere because it joined to a line on another 
page which may or may not be easy to find.

>
> The drawing office in one firm I worked for was mainly staffed by radio
> amateurs and/or radio engineers.  Their circuit diagrams and handbooks
> were a model of clarity.
>
>
> -- 
> ~ Liz Tuddenham ~
> (Remove the ".invalid"s and add ".co.uk" to reply)
> www.poppyrecords.co.uk