Mike,
I know it's been over a year, but I've been reviewing my emails.
Do you happen to have any of those red LEDs left?
Thanks,
de Phil - N8PS
-----
Quoting Mike Bryce <prosolar@sssnet.com>:
It's a easy as eating pancakes!
I'd suggest a T-1 LED. they're the smaller of the normal T 1 3/4.
Like a diode, an LED is polarity sensitive, it will only light when
connected correctly.
decide where on the front panel you want the led to go, the smaller
T-1 I think would look the best.
using a scrap piece of pcb material, metal, or whatever you have,
and use that as a practice piece. You want a hole that the led will
JUST barely push into to.
when you have the right size, mask off the front of the 320, mark
the spot with a marker and then gently tap in a punch tip to make a
small dimple, keeps the drill from walking.
when the hole is in, get a black magic marker and mark the inside of
the hole and the edges, then push the led into the hole
place the led into the hole so the leads are side by side and not up
and down.
as small, and I mean small, drop of super glue will hold the led in place
you'll notice that the led has one lead longer than the other. that
longer lead is the POSITIVE side the led.
Now, you need a 1K resistor. clip the both leads back on the
resistor to about 3/8 of an inch. Pretin both resistors leads and
the longer lead of the LED.
Using a just a small amount of solder, solder one end of the
resistor to the long lead of the LED.
Now, with some small gauge wire, say 24 or 26 solder a wire from the
short lead to the nearest ground connection.
slip a piece of heat shrink tubing or insulating tubing (tape will
work, too) around the resistor and the connections to the led. You
don't want either lead to touch.
(If I were doing this, I'd cut both resistors leads to about 1/4
inch, and then solder the wires. But if you've never worked with one
before, then leave the leads long.)
solder a wire from the free end of the resistor to the power switch.
Choose the lug on the power switch that has a wire going to the pcb.
Solder the wire from the resistor to that lug.
apply power and flip the switch.
Enjoy your power LED
Mike, wb8vge
Ohhh, if you don't have a few red led T-1 in hand, let me know and
I'll send you some----free!
On Sep 29, 2012, at 4:23 AM, Richards wrote:
Greetings TenTec Mavens -
I would like to add a pilot light to the front panel of my TenTec
RX-320D. I have SOME home brewing skills... having built several
kits, including a few TT receiver kits, and having designed some
small project circuits on my own. My experience suggests doing
this is not as easy as merely soldering a LED into the circuit, and
sticking it through a hole in the front panel.
But how hard IS it? I cannot find any articles where this
modification is described. Any clues where I should start? Any
tips?
---------------- K8JHR ---------------------------
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