[UK-CONTEST] FT1000MP Deaf 3-4Mhz

[Andy Cook, G4PIQ]

Yes - I had exactly that problem - receiver worked on the Ext Rx input, but
not on the main antenna. One of the inductors in the highpass filters in the
HPF-UNIT had gone open as I recall. Pretty easy to get at and change - think
the board is easily accessible on the top of the radio, but wouldn't swear
to it!

I killed it through too much RF doing SO2R.

73,

Andy, G4PIQ

-----Original Message-----
From: uk-contest-bounces at contesting.com
[mailto:uk-contest-bounces at contesting.com]On Behalf Of Clive Whelan
Sent: 19 January 2005 16:32
To: steve; UK Contest Reflector
Subject: RE: [UK-CONTEST] FT1000MP Deaf 3-4Mhz


Hi Steve


Caveat: I am not a techie.

However, if this is a sharp cut off-i.e. OK below 3Mhz say-, then it is
quite likely to be one of the filter assemblies in the RF section. Do you
perhaps do SO2R and not have any protective filtering/stubs? This is exactly
what happened to a local station here for the reasons outlined above, albeit
on the 7Mhz+ range. Some of the very small caps. in the assembly had gone
West. It is not a huge job for someone with 3mm fingers(!) and access to the
parts from Yaesu UK.

Bon courage


73


Clive
GW3NJW



-----Original Message-----
From: uk-contest-bounces at contesting.com
[mailto:uk-contest-bounces at contesting.com]On Behalf Of steve
Sent: 19 January 2005 15:00
To: UK Contest Reflector
Subject: [UK-CONTEST] FT1000MP Deaf 3-4Mhz


Hi

Anyone had a problem with an FT1000MP, its deaf on the 3 - 4Mhz range,
checked with a signal genny and it aint working very well at all.

Here's hoping someone may have the answer....

Cheers

73

Steve   G4EOF
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