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
<www.k4oah.com>
[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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