Be very careful when soldering the diode and IC.
They’re very sensitive to heat. You should use
some kind of heat sink (crocodile clip or reverse
action tweezers) on each leg as you solder
them. Keep exposure to heat to a minimum
(under 2 seconds). It’s best to use a socket for
the IC to avoid woe.
The long leg of the LED goes into the round pad.
Leave the LED until last. Solder in everything
else - components first, then DC and jack
sockets. Check it all fits the enclosure OK. Now
push your LED legs into their pads and leave it
loose. Get your circuit into the enclosure and
fasten up the jack sockets. Once in place,
position your LED through the hole in the
enclosure and solder it in.
The ‘spring thing’ grounds the circuit and jacks
to the enclosure, so no worries about RF
shielding. Part number is: Keystone 629.
If you’ve opted for a wired DC socket you can
use that to trap the wire against the enclosure
instead. To wire this socket take wires from the
V and G pads at the front of the PCB near the
DC space (shown above). The long pin of the
mini DC socket is the +V.
The kit is designed to go sockets-down in the
enclosure, with the PCB facing the open side.
PC
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