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Thanks Gernot. The RF board was already assembled when I bought the unit - I
didn’t do any soldering.
I’ve spent two days going through the boards with a fine tooth comb (aka strong
magnifier) and I can’t find any solder bridges or poorly seated components. I
did wake up with an idea in my
The resistance checks are meant to measure at U13 after being placed and
soldered. It is not a component check, but it will check if you have
done the placement and soldering of all the connected stuff correctly.
IAW, a different value could mean you did a mistake somewhere else.
Visually
Unassembled Heathkits have sold for amazing amounts of money. (I use
the past tense because I doubt there any of those treasures left these
days.)
I have even heard of people "making" an unassembled kit by buying a
built one, taking it apart, unsoldering all the components, and
replacing
Hi Adrian, welcome to the hobby and to the Elecraft list,
Wow, that's quite a collector's item! I'd consider asking Elecraft what
they'd charge to assemble and align for you.
John KN5L
On 2/14/21 3:32 PM, KJ7SOY wrote:
> Hi everyone! I’m new to the list and to Elecraft radios and HAM in
Same as "MAC" for the computer, or an urban legend -- they picked it up
somewhere and repeated it and someone else picks it up from them.
On Sun, Feb 14, 2021, 17:31 Gwen Patton wrote:
> Just don't scream "ham". It's not an acronym, and there's no reason to put
> it in all caps. I have no idea
Just don't scream "ham". It's not an acronym, and there's no reason to put
it in all caps. I have no idea why people keep insisting on capitalizing
it? I know it's off-topic, but why do people do that? Does anyone know?
-=-=-=-=-=-=-=-=-
73,
Gwen, NG3P
On Sun, Feb 14, 2021 at 5:26 PM Bill
When I have had issues like this, I have gotten excellent support from
.
73 Bill AE6JV
On 2/14/21 at 4:32 PM, kj7...@gmail.com (KJ7SOY) wrote:
> I have the rev B RF board and I’m doing the manual’s resistance tests.
> Voltage regulators U12 and U13
> are both supposed to test at > 150 ohms.
Hi everyone! I’m new to the list and to Elecraft radios and HAM in general.
Thanks for bearing with me while I learn!
I picked up an unassembled K3 at an auction three weeks ago. It’s been sitting
in a box with most of the boards sealed in their anti-static bags since 2009.
I’ve hit a snag and
Hey gang,
Just spent 4 hours assembling K3 s/n 1318 and all went well except for one
slight but potentially serious hardware problem. When installing the bottom
heat sink cover over the LPA I noticed that the required 4-40 x 1/4 screws
bottomed out in the standoffs under the TO-220 LPA
PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Wednesday, July 30, 2008 6:51 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3 Assembly issue with bottom Heat Sink cover!
Hey gang,
Just spent 4 hours assembling K3 s/n 1318 and all went well except for one
slight but potentially serious
Rodger,
I assembled my K3 a couple of weeks ago (s/n 1217), and did not experience
your problem. The three transistors clamped nicely against the (thicker)
bottom cover using only the hardware specified in the instructions. As I
recall, there are both 3/16 and 1/4 screws in the kit. You sure
]
Subject: RE: [Elecraft] K3 Assembly issue with bottom Heat Sink cover!
To: [EMAIL PROTECTED]
According to the assembly manual page 55, The NOTE states The three screws
marked A must be 1/4 black pan head with inside tooth lock washers under
the screw heads.
Also read the CAUTION.
Bob
My resistance test (page 39) on U12 is less than the 500 ohms per
manual. It is 350 to 400 ohmn (different scales on digital meter). My
analog meter shows 270 ohms.
Anyone else had this issue?
I emailed support, but thought I would check here also.
K3 S/N 841
Joe N9VX
Mine measured either 6K or 60K ohms (can't read my own scribbling)
according to a marginal note in the assembly manual.
73,
Ken K3IU
K3 #202
~
Joe Word wrote:
My resistance test (page 39) on U12 is less than the 500 ohms per
manual. It is 350 to 400 ohmn (different
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