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AL80A. 160m=3DQRTHello,=20
=20
I had the same problem with the NEW AL-572 with the full size SWR =
1.2 antenna on 160m. The reason is that the mentioned capasitor is weak =
! I just put the bigger (mechanically and electrically) Russian =
capasitor and the PA has been working just fine ever since !
73 !
-------
CT Ham Radio Devices www.dxham.com tony@uch.net =20
Fine Range Of CT Hand Keys & Paddles. Collectable Stuff.
Svetlana & Russian Tubes. DX Shack Rentals
ICQ#19487420
----- Original Message -----=20
From: Christian Pidancier=20
To: amps@contesting.com=20
Sent: Friday, October 06, 2000 6:19 PM
Subject: [AMPS] AL80A. 160m=3DQRT
Hi guys,=20
I just bought an AL80A.=20
All bands are working well at exception of 160m.=20
After a quick inspection I founded the reason why:=20
The additionnal Plate capacitor (C15 170pF doorknob) is broken and the =
contacts of the rotating connector S1C (both) are completely molten and =
distroyed. =20
I dont know the reason of the failure.=20
-Is it due to high VSWR at antenna port?=20
-Is it due to bad band selection (the previous owner tried to =
tune the AL80A with the 160m bandswitch selection on an other frequency =
band?
-Is it due to default in conception of the AL80A?=20
-Any other idea to explain is welcome=20
I'm looking for any part for their replacement.=20
I'll be in Greensborro (NC) for my job in october the 17th and 18th, =
is it possible to find the two broken parts around=20
-170pF N750, 850 series doorknob (AR-559)=20
-a bandswitch or only one wheel (AR-136-2)=20
If any store for amps is around there, please let me know.=20
If not, do you have any other adress to propose?=20
73 de F6HLC=20
Christian=20
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<HTML><HEAD><TITLE>AL80A. 160m=3DQRT</TITLE>
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<DIV><FONT face=3D"Arial Cyr" size=3D2>Hello,=20
<DIV><FONT face=3D"Arial Cyr" size=3D2> </FONT></DIV>
<DIV><FONT face=3D"Arial Cyr" size=3D2> I had the same =
problem=20
with the NEW AL-572 with the full size SWR 1.2 antenna on 160m. The =
reason=20
is that the mentioned capasitor is weak ! I just put the bigger =
(mechanically=20
and electrically) Russian capasitor and the PA has been working just =
fine ever=20
since !</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Arial Cyr" size=3D2>73 !</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Arial Cyr" size=3D2>-------</FONT></DIV>
<DIV> </DIV></FONT></DIV>
<DIV><FONT face=3D"Arial Cyr" size=3D2>CT Ham Radio Devices =
<A=20
href=3D"http://www.dxham.com";>www.dxham.com</A> <A=20
href=3D"mailto:tony@uch.net";>tony@uch.net</A> <BR>Fine Range =
Of CT=20
Hand Keys & Paddles. Collectable Stuff.<BR>Svetlana & Russian =
Tubes. DX=20
Shack Rentals<BR>ICQ#19487420<BR></FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A href=3D"mailto:cpidanci@nortelnetworks.com"=20
title=3Dcpidanci@nortelnetworks.com>Christian Pidancier</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
href=3D"mailto:amps@contesting.com"=20
title=3Damps@contesting.com>amps@contesting.com</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, October 06, 2000 =
6:19=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [AMPS] AL80A. =
160m=3DQRT</DIV>
<DIV><BR></DIV>
<P><FONT face=3DArial size=3D2>Hi guys,</FONT> </P>
<P><FONT face=3DArial size=3D2>I just bought an AL80A. =
</FONT><BR><FONT face=3DArial=20
size=3D2>All bands are working well at exception of 160m.</FONT> =
<BR><FONT=20
face=3DArial size=3D2>After a quick inspection I founded the reason =
why:</FONT>=20
<BR><FONT face=3DArial size=3D2>The additionnal Plate capacitor (C15 =
170pF=20
doorknob) is broken and the contacts of the rotating connector S1C =
(both) are=20
completely molten and distroyed. </FONT></P>
<P><FONT face=3DArial size=3D2>I dont know the reason of the =
failure.</FONT>=20
<BR> <FONT face=3DArial =
size=3D2>-Is it=20
due to high VSWR at antenna port?=20
</FONT><BR> <FONT =
face=3DArial=20
size=3D2>-Is it due to bad band selection (the previous owner tried to =
tune the=20
AL80A with the 160m bandswitch selection on an other frequency=20
band?</FONT></P>
<P> <FONT face=3DArial =
size=3D2>-Is it=20
due to default in conception of the AL80A?</FONT>=20
<BR> <FONT face=3DArial =
size=3D2>-Any=20
other idea to explain is welcome</FONT> </P><BR>
<P><FONT face=3DArial size=3D2>I'm looking for any part for their =
replacement.=20
</FONT><BR><FONT face=3DArial size=3D2>I'll be in Greensborro (NC) for =
my job in=20
october the 17th and 18th, is it possible to find the two broken parts =
around</FONT> <BR><FONT face=3DArial size=3D2>-170pF N750, 850 series =
doorknob=20
(AR-559)</FONT> <BR><FONT face=3DArial size=3D2>-a bandswitch or only =
one wheel=20
(AR-136-2)</FONT> </P>
<P><FONT face=3DArial size=3D2>If any store for amps is around there, =
please let=20
me know.</FONT> <BR><FONT face=3DArial size=3D2>If not, do you have =
any other=20
adress to propose?</FONT> </P>
<P><FONT face=3DArial size=3D2>73 de F6HLC</FONT> <BR><FONT =
face=3DArial=20
size=3D2>Christian</FONT> </P><BR><BR></BLOCKQUOTE></BODY></HTML>
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