[Kenwood] Kenwood TS-850 strange intermittant
J.A.Share
j.a.share at liverpool.ac.uk
Wed Oct 6 04:11:41 EDT 2004
Almost for sure its the PLL out of lock, it inhibits the transmitter,
blanks the display, recall that it somehow has something to do with the CIO
frequency as part of the IF Shift compensation .. no CIO no product
detection .. hence no audio.
A decent scope should track this down to the board.
John
--On 06 October 2004 03:00 -0400 WA2JJH at aol.com wrote:
> The rig was an ebay special. I had a bad feeling about this rig. The guy
> said no refunds,
>
> he rig did work for 5 minutes. Then went into TX Turned off
> radioimmediatly.
>
> Now when the radio comes on , there is no RX audio. The RF gain test is
> ok. turn the
> rf gainn down the meter goes up
>
> here is where it gets strange. I leave the rig on 5 secons later the freq
> display blanks to all periodes. If I touuch the VFP knod. the fequny
> comes bak for a few seconds.
> NO RX STLL
>
> I turned the rig off and on many times. Once the RX came back. It
> workedfor 10minutes.
>
> The guy that sold it to me, sounds nervouse. Before I get nasty....any
> ideas/
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