[TenTec] Frequency Lockup Blues
Steve Baron - KB3MM
SteveBaron@starlinx.com
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>
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>
>> 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