"Al Parker" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
----------------------------------------------------------------------
Hi Kevin,
Try loosening & re-tightening every screw in the unit. Many are
ground connections from terminal strips or tube sockets, and do develop
some resistance with age. Having all trimmers tweaked will give you lots
of fun.
As a "tuning indicator" you could remove the finals and put your scope
on the finals' grid connection. Then you can easily see any slight
changes as you start from the early stages. You'll have to remove the
scope to get the driver plate tuned properly, but by then you'll be almost
home. Don't try it with the finals still in place unless you remove plate
& screen voltages, as they could go into oscillation.
73,
Al, W8UT
New Bern, NC
BoatAnchors appreciated here
http://www.thecompendium.net/radio/
soon to be at http://www.boatanchors.org
http://www.hammarlund.info
----- Original Message -----
From: "Kevin LaHaie" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, March 02, 2006 5:53 PM
Subject: [drakelist] T-4XB MAJOR Re-Alignment
>
> Kevin LaHaie <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
> ----------------------------------------------------------------------
> Hi. Hope this didn't get duplicated, I am having some trouble posting
> to the list?
>
> I am reviving a T-4XB for a friend. It would not load up on any band,
> and after careful (exhaustive!) review of all sections, it appears it is
> just severly out of alignment. I did get 1 band in fair alignment by
> 'hunting and pecking', but that could take a lifetime, not to mention a
> few sets of finals!
>
> The manual makes reference to a procedure for serious realignment that
> could be obtained on request from customer service, and I am wondering
> if that is available either on the web or someone has it that could
> share it.
>
> Any help in getting the T-4XB aligned appreciated, I have a signal
> generator, scope, frequency counter, VTVM and DMM to work with.
>
> AND, like it needs mentioning, if your friends are having problems, try
> to keep them from 'fiddling' with the trimmers if you can help it! My
> friend admits he played with all of them!
>
> 73 and thanks in advance to a great list!
>
> -Kevin K7ZS
>
>
>
----------------------------------------------------------------------
Submissions: [email protected]
Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body
Hopelessly Lost: [EMAIL PROTECTED] - help in body of message
Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net
----------------------------------------------------------------------
