help identifying SMD chip

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Joined: 07/09/2016
Location: United Kingdom
Posts: 1780
Posted: 08:29am 28 Oct 2021      

fantastic job @poida!

that fits well, the output to the base of the transistor (1M) is coming from pin 7 so everything fits now.

Now to determine why a short from the output to the ground leaves the EW light on.

Cheers for your help, really appreciated