TenTec
[Top] [All Lists]

[TenTec] Frequency Lockup Blues

To: <tentec@contesting.com>
Subject: [TenTec] Frequency Lockup Blues
From: SteveBaron@starlinx.com (Steve Baron - KB3MM)
Date: Sat, 9 Oct 1999 22:48:20 +0100
aha !  soMETIMES WE DO NOT SEE THE OBVIOUS !

-----Original Message-----
From: Ariel Elam <k4aal@jackatak.theporch.com>
To: Steve Baron - KB3MM <SteveBaron@starlinx.com>; N1EU <n1eu@yahoo.com>;
tentec@contesting.com <tentec@contesting.com>
To: <tentec@contesting.com>
Date: October 09, 1999 11:16 PM
Subject: Re: [TenTec] Frequency Lockup Blues


>Hi to All-- I had problem that main tuning encoder would not change the
>frequency on foctory VI+. TT tech advised to interchange rit and main
>tuning cables (55 & 56 or 54& 55 if I remember correctly) and let rit
>encoder control main tuning to check. I did & it did. I then ordered a
>new main encoder and all is well
>
>73, Ariel, k4aal
>
>Steve Baron - KB3MM wrote:
>>
>> OK.  Now I know what frequency lock-up means <gr>.
>>
>> You should have pulses coming from both pahse lines.  Wonder if you lost
the
>> supply voltage or ground to the encoder.  The only other possibility for
no
>> pulses would be a bad encoder I guess.
>>
>> -----Original Message-----
>> From: N1EU <n1eu@yahoo.com>
>> To: tentec@contesting.com <tentec@contesting.com>
To: <tentec@contesting.com>
>> Date: October 09, 1999 1:59 PM
>> Subject: Re: [TenTec] Frequency Lockup Blues
>>
>> >
>> >To answer the questions posed by Phil & Steve, never
>> >happened before and PS is a nice TT 961.
>> >
>> >All of the other functions seem to be working except
>> >main tuning.  User options can be set and retained,
>> >etc. and even RIT functions so she's not brain dead
>> >for sure.
>> >
>> >I looked at some of the digital lines, and would
>> >really appreciate some help with diagnosis.  Here's
>> >what I've seen on the logic board - I started looking
>> >at the tuning encoder lines.  RIT ("OFFSET") pulses
>> >are clearly seen coming into U19 pins 1/2/5/6 and U20
>> >21/22.  However, no pulses at all are seen from the
>> >Main Tuning encoder coming into U18 8/9 or U20 19/20.
>> >Am I correct in assuming pulses should be seen there?
>> >I would be extrememly grateful for any hints on
>> >further troubleshooting.
>> >
>> >Tnx & 73,
>> >Barry  N1EU
>> >
>> >
>> >
>> >
>> >=====
>> >
>> >__________________________________________________
>> >Do You Yahoo!?
>> >Bid and sell for free at http://auctions.yahoo.com
>> >
>> >--
>> >FAQ on WWW:               http://www.contesting.com/tentecfaq.htm
>> >Submissions:              tentec@contesting.com
>> >Administrative requests:  tentec-REQUEST@contesting.com
>> >Problems:                 owner-tentec@contesting.com
>> >Search:                   http://www.contesting.com/km9p/search.htm
>> >
>>
>> --
>> FAQ on WWW:               http://www.contesting.com/tentecfaq.htm
>> Submissions:              tentec@contesting.com
>> Administrative requests:  tentec-REQUEST@contesting.com
>> Problems:                 owner-tentec@contesting.com
>> Search:                   http://www.contesting.com/km9p/search.htm


--
FAQ on WWW:               http://www.contesting.com/tentecfaq.htm
Submissions:              tentec@contesting.com
Administrative requests:  tentec-REQUEST@contesting.com
Problems:                 owner-tentec@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>