[1000mp] FT-1000MP MKV Receiver Problems

Tue Jun 1 12:08:07 EDT 2010

John,

I rather doubt this will of help, but it might be a start!

One of my Icom rigs exhibited the same problems, if not similar as yours. It was an "Analog to Digital" board that had gone South on me and I sent it in to Icom and they replace board and fixed it for "Free" 

When I turned the rig on and not moving the VFO knob, I could hear the unit! Station in the speaker, going up or down in frequency at an alarming rate of speed 

I don't  have the savvy or technical ability or experience to discuss digital circuitry, but started my career in May of 1960, and grew up building radios and amps the old fashion way with tubes, No IC's etc., so good luck with FT-1000, MP, Mk V.  Mine is a relatively late model and the only problem I ever had was the "gaseous-HV" display went out, and Yaesu fixed it for free

Tom Wheatley - K5CNN
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: John Spurgeon <spurgeon_john at hotmail.com>
Date: Tue, 1 Jun 2010 15:38:45 
To: <1000mp at mailman.qth.net>
Subject: Re: [1000mp] FT-1000MP MKV Receiver Problems

Hi Uwe,

     I have removed the Tuning knob and the jogwheel assembly off from the rig and it still behaves exactly the same. E.g tunes down after an hour or so. If I turn the jogwheel in the clockwise direction when it is still in place on the rig then it will temporary stop tuning down until I let go. Thats why I removed the whole assebly from the rig.

73

John

> From: dl8uf at darc.de
> To: 1000mp at mailman.qth.net
> Date: Tue, 1 Jun 2010 17:11:09 +0200
> Subject: Re: [1000mp] FT-1000MP MKV Receiver Problems
> 
> Hi John,
> 
> did you try to turn the jogwheel surrounding the main tuning knob clockwise
> (which means tuning up) when the transceiver started to tune down the band?
> Some OM have just had a mechanical problem with the jogwheel, so the
> transceiver started to tune in one or the other direction all by himself.
> Good luck,
> 
> 
> 73 de Uwe, DL8UF
> 
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net]
> Im Auftrag von John Spurgeon
> Gesendet: Dienstag, 1. Juni 2010 16:49
> An: 1000mp at mailman.qth.net
> Betreff: [1000mp] FT-1000MP MKV Receiver Problems
> 
> 
> Hi All,
> 
> 
> 
> I have a problem with my MKV for around a year now, it has been doing
> strange things like tuning down the band all by itself. Sometimes it will do
> it when you press the Notch button, other times the receiver will work fine
> for a hour or more before it starts tuning down the band, other times it
> starts ufter a few minutes. I have noticed that the audio quality seems to
> change at the same time. I was told that it could be down to interference
> from the invertor board that feeds the display tubes so I disconnected the
> power to the invertor but it made no differents and started tuning down the
> band after a while. The display was of course blank because of no power but
> I could still hear it tuning down the band.
> 
> 
> 
> I was wondering if anyone has had this fault or has any ideas? 
> 
> 
> 
> 73
> 
> 
> 
> John G4LKD. 
> 
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