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Can anyone provide a picture on the location of K3 pins 1 and 5 on the circuit board? The schematic pin numbers do not match the manufacturers data sheet.
73,
N4AYE

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Paul has it right. The pin numbers on the schematic don't seem to have
any resemblance to the actual pin numbers on the data sheets. I had to
actually use an ohmmeter from attached components to determine the
actual pin locations on the bottom side of the circuit board.

tim ab0wr

On Sun, 22 Apr 2018 17:05:09 -0700
"alans77 via Groups.Io" <alans77@...> wrote:

Can anyone provide a picture on the location of K3 pins 1 and 5 on
the circuit board? The schematic pin numbers do not match the
manufacturers data sheet. 73, N4AYE

Yes, there is a relationship, but obscure. The data sheets are wrong. Some dummy mirror-imaged them in an attempt to produce a view from below. Theirs is an attempt at IC-numbering, but flipped end-for-end.? The diagram itself is fine if viewed from above, but the IC numbering should be taken with the 'dot' (pin 1) at bottom-right, 'notch' to the right. The extra gaps are the absent pins 7 and 10.
Helpful?
73
Dex, ZL2DEX

Thanks for your helpful replies!
N4AYE