Re: [drakelist] TR-4 Feedback

2007-10-24 Thread Gary Poland 


"Gary Poland" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Dale,
 The TR-4 relay is prone to problems with dirty contacts since it is not 
enclosed. Verify the relay contact continuity in the transmitt position. Be 
careful not to over do it if you find you need to tweak the contacts to make 
reliable connection. You can usually troubleshoot the relay with an ohm 
meter, power off, and press the relay closed with a pencil.


73, Gary 



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Re: [drakelist] TR-4 Feedback

2007-10-24 Thread Garey Barrell 


Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Dale -

I'm not certain from your description, but you may have a problem with 
the Transmit IF neutralization covered in Section 5-18 in the manual.


Set VOX GAIN full CCW and XMTR GAIN full CW.  While talking into the mic 
(in receive mode) turn up RCVR GAIN until you can hear your audio in the 
speaker.  Adjust C168 (front, and to the right of T14) for minimum 
output from the speaker.  If the adjustment requires more than one turn 
you'll have to readjust T14, C127 and the Carrier Balance, also 
described in the manual.


If the level doesn't change as you adjust C168, or doesn't solve the 
problem, further troubleshooting may be required.


73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 4-B & C-Line Service Supplement CDs




[EMAIL PROTECTED] wrote:

Hi ya'll

just developed a feeback problem with the TR-4.  With mic key off I 
can blow into the mic and hear it in the speaker. ..and not be keying 
the Radio.  Press the mic and the feedback really comes through plus 
my audio.  I have adjusted the VoX and antivox...nothing.  And I tried 
the TR-4 nmic on the twins and no problem.  And switched the twins mic 
to the TR-4 and the same feed back problem is there   wuts up?


Thanks  
Dale 





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RE: [drakelist] TR-4 Feedback

2007-10-24 Thread Hunter Ellington 
Check the push to talk relay.
 

R. Hunter Ellington, Esq.
Shareholder

Gorrell  Giles PC
1331 Seventeenth Street, Suite 1000
Denver, Colorado 80202
(303) 996-6585 Direct
(303) 996-2680 Fax
[EMAIL PROTECTED]
 

 



From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, October 24, 2007 10:26 AM
To: [EMAIL PROTECTED]
Subject: [drakelist] TR-4 Feedback


Hi ya'll

just developed a feeback problem with the TR-4.  With mic key off I can
blow into the mic and hear it in the speaker. ..and not be keying the
Radio.  Press the mic and the feedback really comes through plus my
audio.  I have adjusted the VoX and antivox...nothing.  And I tried the
TR-4 nmic on the twins and no problem.  And switched the twins mic to
the TR-4 and the same feed back problem is there   wuts up?

Thanks  
Dale 

-Original Message-
From: George Runyan <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Wed, 24 Oct 2007 10:45 am
Subject: RE: [drakelist] Drake L7 Load Capacitor



"George Runyan" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Hello Steve,

Nice to catch you on the drake list. I am sorry I do not have your plate
load variable. Why is that part a problem in the L-7?

What I do have is a Viking 11 and a tube checker awaiting the man from
Phoenix Hi!

We are fighting fires over here. Prayer needed!!

In His Love,

George



-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 ] On
Behalf Of STEVE SCOGGINS
Sent: Tuesday, October 23, 2007 12:58 PM
To: [EMAIL PROTECTED]
Subject: [drakelist] Drake L7 Load Capacitor


STEVE SCOGGINS <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Wanted a replacement Drake L7 C46-C47 PLATE LOAD variable two section
capacitor for a rebuilt project.

73 Steve KE7RR

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RE: [drakelist] TR-4 Feedback

2007-10-24 Thread David & Chris Drake 
Check your tubes in the audio and mic circuits.
David
Wd9cmd

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, October 24, 2007 11:26 AM
To: [EMAIL PROTECTED]
Subject: [drakelist] TR-4 Feedback


Hi ya'll

just developed a feeback problem with the TR-4.  With mic key off I can blow
into the mic and hear it in the speaker. ..and not be keying the Radio.
Press the mic and the feedback really comes through plus my audio.  I have
adjusted the VoX and antivox...nothing.  And I tried the TR-4 nmic on the
twins and no problem.  And switched the twins mic to the TR-4 and the same
feed back problem is there   wuts up?

Thanks  
Dale 

-Original Message-
From: George Runyan <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Wed, 24 Oct 2007 10:45 am
Subject: RE: [drakelist] Drake L7 Load Capacitor




"George Runyan" <[EMAIL PROTECTED]> made an utterance to the drakelist gang

--

Hello Steve,



Nice to catch you on the drake list. I am sorry I do not have your plate

load variable. Why is that part a problem in the L-7?



What I do have is a Viking 11 and a tube checker awaiting the man from

Phoenix Hi!



We are fighting fires over here. Prayer needed!!



In His Love,



George







-Original Message-

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 ] On

Behalf Of STEVE SCOGGINS

Sent: Tuesday, October 23, 2007 12:58 PM

To: [EMAIL PROTECTED]

Subject: [drakelist] Drake L7 Load Capacitor





STEVE SCOGGINS <[EMAIL PROTECTED]> made an utterance to the drakelist gang

--

Wanted a replacement Drake L7 C46-C47 PLATE LOAD variable two section

capacitor for a rebuilt project.



73 Steve KE7RR



__

Do You Yahoo!?

Tired of spam?  Yahoo! Mail has the best spam protection around 

http://mail.yahoo.com   



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