From: "Don and Diana Cunningham" 
Subject: Re: [drakelist] tr4c issue


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Peitro,
There is a bulb (#12, I think) that is used as a "fuse" in the receive =
line near the T/R relay on the bottom of the chassis.  This will =
sometimes blow, or the pins on it will become corroded and cause the low =
sensitivity you describe.  Check it for corrosion and continuity and =
think you might just find your problem.
73,
Don, WB5HAK
  ----- Original Message -----=20
  From: Pietro Lapiana=20
  To: drakelist{at}www.zerobeat.net=20
  Sent: Tuesday, September 09, 2003 5:48 AM
  Subject: [drakelist] tr4c issue


  Hi net,
  I have a question regarding a Tr4C. It looks, compared with a C line, =
extremely "deaf" or with a very low sensitivity on 80 mtrs band. I have =
still to check the 20 mtrs band because I red the manual and it looks =
that in both the bands the receiver is using a different configuration.
  Anybody has any suggestion on the problem, if is is due by =
tubes......to be replaced or what?
  Tnx in advance
  73
  de
  Pietro Lapiana, IOKPL


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Peitro,
There is a bulb (#12, I think) that is =
used as a=20
"fuse" in the receive line near the T/R relay on the bottom of the=20
chassis.  This will sometimes blow, or the pins on it will become =
corroded=20
and cause the low sensitivity you describe.  Check it for corrosion =
and=20
continuity and think you might just find your problem.
73,
Don, WB5HAK

  ----- Original Message
----- 
  From:=20
  Pietro">mailto:pietro.lapiana{at}eurolinksystems.com">Pietro
Lapiana =

  To: drakelist{at}www.zerobeat.net=">mailto:drakelist{at}www.zerobeat.net">drakelist{at}www.zerobeat.net=
 
  Sent:
Tuesday, September 09, =
2003 5:48=20
  AM
  
Subject: [drakelist] tr4c =
issue
  
  Hi=20
  net,
  I=20
  have a question regarding a Tr4C. It looks, compared with a C line, =
extremely=20
  "deaf" or with a very low sensitivity on 80 mtrs band. I have still to =
check=20
  the 20 mtrs band because I red the manual and it looks that in both =
the bands=20
  the receiver is using a different
configuration.
  Anybody has any suggestion on the problem, =
if is is=20
  due by tubes......to be replaced or what?
  Tnx=20
  in advance
  73
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