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Re: [TenTec] NO XMIT WITH PTT

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] NO XMIT WITH PTT
From: Ron <k8fg@sbcglobal.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 20 Mar 2005 22:03:21 -0500
List-post: <mailto:tentec@contesting.com>
Steve N4LQ wrote:

>The fact that the key jack is falling apart should be a good place to start. 
>I would take mine apart but it's too late tonight. Looks like you could 
>unplug the PTT/CW jacks from the board and check for the short. Each jack 
>has a diode in series with it and on the other side of each diode is a 10k 
>resistor going to +5 then they all go to pins of U4.
>There are 4 ptt/cw key lines. MIC/PTT, CW key/T, CW key/R and AUX/Key.
>I suggest unplugging the CW key jack first and seeing if the problem goes 
>away. Also if you suspect it's that cw key jack, go into the software and 
>turn on the internal keyer then key the rig with your tx/loop button and see 
>if it starts sending dits or dahs.
>Steve Ellington
>N4LQ@iglou.com
>----- Original Message ----- 
>From: "Ron" <k8fg@sbcglobal.net>
>To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>Sent: Sunday, March 20, 2005 7:34 PM
>Subject: Re: [TenTec] NO XMIT WITH PTT
>
>
>  
>
>>Ron wrote:
>>
>>    
>>
>>>Steve N4LQ wrote:
>>>
>>>
>>>
>>>      
>>>
>>>>.7v? NOT GOOD. Do this:
>>>>Unplug everything from the Peg except for the 12v power, including the
>>>>computer. Turn it on. Measure the PTT again. If it still reads .7v, 
>>>>you've
>>>>got hardware problems. If it jumps up to 5v or so then you have something
>>>>plugged into either the assc. jack, key jack, or mic jack that is 
>>>>shorting.
>>>>
>>>>Steve Ellington
>>>>N4LQ@iglou.com
>>>>----- Original Message ----- 
>>>>From: "Ron" <k8fg@sbcglobal.net>
>>>>To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>>>>Sent: Sunday, March 20, 2005 6:14 PM
>>>>Subject: Re: [TenTec] NO XMIT WITH PTT
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>>>Steve N4LQ wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>>>I don't quiet follow you. Are you saying if you left click the TX Loop
>>>>>>button at the top, it goes into transmit or do you mean it allows you 
>>>>>>to
>>>>>>go
>>>>>>into transmit? If it's the former, it almost sounds like your PTT line 
>>>>>>is
>>>>>>shorted somewhere and when you "close the loop" in software, it 
>>>>>>transmits.
>>>>>>I still think you should download the TT software and try it first. 
>>>>>>That
>>>>>>will eliminate some confusion since it's rather basic.
>>>>>>Check the PTT voltage at the jack per the manual between Gnd and Ptt. 
>>>>>>You
>>>>>>should have between 4 and 5 volts.
>>>>>>Steve Ellington
>>>>>>N4LQ@iglou.com
>>>>>>----- Original Message ----- 
>>>>>>From: "Ron" <k8fg@sbcglobal.net>
>>>>>>To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>>>>>>Sent: Sunday, March 20, 2005 4:57 PM
>>>>>>Subject: Re: [TenTec] NO XMIT WITH PTT
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>>>Steve N4LQ wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>>>Ron
>>>>>>>>Tx Loop button? What's that? In the "Transmitter" menu, I have a 
>>>>>>>>"Enable
>>>>>>>>keying loop" button. Is that what you meant? I have mine disabled 
>>>>>>>>since
>>>>>>>>I
>>>>>>>>don't use a TT amp with the Peg. On your N4PY front panel, do you 
>>>>>>>>have
>>>>>>>>the
>>>>>>>>"Xmit Disable" activated? If so, disable it. Also check the "ACCInp"
>>>>>>>>button.
>>>>>>>>For microphone input it should be disabled.
>>>>>>>>If all this doesnt work, try the basic TenTec software and start all
>>>>>>>>over.
>>>>>>>>Out of ideas. 73
>>>>>>>>Steve Ellington
>>>>>>>>N4LQ@iglou.com
>>>>>>>>----- Original Message ----- 
>>>>>>>>From: "Ron" <k8fg@sbcglobal.net>
>>>>>>>>To: <tentec@contesting.com>
>>>>>>>>Sent: Saturday, March 19, 2005 2:16 PM
>>>>>>>>Subject: [TenTec] NO XMIT WITH PTT
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>>>Hello to the Group,
>>>>>>>>>I have a couple of questions .
>>>>>>>>>I have a Pegasus that will not Xmit via the Mic or Acc jacks
>>>>>>>>>but will key via the N4PY software with a mouse click on the
>>>>>>>>>TX Loop button.. Any ideas ?
>>>>>>>>>
>>>>>>>>>Also is there ant service info available ?
>>>>>>>>>Thanks, Ron/K8FG...
>>>>>>>>>_______________________________________________
>>>>>>>>>TenTec mailing list
>>>>>>>>>TenTec@contesting.com
>>>>>>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>>_______________________________________________
>>>>>>>>TenTec mailing list
>>>>>>>>TenTec@contesting.com
>>>>>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>Hi Steve and Carl,
>>>>>>>I have the latest ver of software and in the top row of buttons there 
>>>>>>>is
>>>>>>>a Tx Loop button after the Calibrate.
>>>>>>>When I left click on this button it will go into xmit. If I go into 
>>>>>>>the
>>>>>>>settings/transmitter menu and
>>>>>>>uncheck Keying Loop the rig goes into xmit. ACCInp is disabled.
>>>>>>>I am starting to believe I have a rig problem, if I short the Ptt pin 
>>>>>>>in
>>>>>>>the mic connector to ground
>>>>>>>there is no xmit also did the same test with the Acc connector with 
>>>>>>>the
>>>>>>>same results.
>>>>>>>Ron/K8FG...
>>>>>>>_______________________________________________
>>>>>>>TenTec mailing list
>>>>>>>TenTec@contesting.com
>>>>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>_______________________________________________
>>>>>>TenTec mailing list
>>>>>>TenTec@contesting.com
>>>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>Hi Steve,
>>>>>When I left click the button it xmit's. I just checked the ptt voltage,
>>>>>it reads -.707 I don.t have a manual
>>>>>other than basic operation.
>>>>>Ron/K8FG...
>>>>>_______________________________________________
>>>>>TenTec mailing list
>>>>>TenTec@contesting.com
>>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>_______________________________________________
>>>>TenTec mailing list
>>>>TenTec@contesting.com
>>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>Ok Steve, I will check this after dinner.
>>>Thanks, Ron/K8FG...
>>>_______________________________________________
>>>TenTec mailing list
>>>TenTec@contesting.com
>>>http://lists.contesting.com/mailman/listinfo/tentec
>>>
>>>
>>>
>>>      
>>>
>>Hi Steve,
>>I unplugged all except pwr. still .7v, I checked this at the circuit
>>board plig-in and the same.
>>Following the circuit back from the board  4 pin jack there are 2
>>surface mount components.
>>The first  closest to the jack end of the circuit measures .70 one one
>>side and .73 on the other
>>pos a chip res. When I check the 2nd chip component I measure the .73
>>and 4.6v on the outer side.
>>This suspect chip has a marking of EO1 or E01 on it, very hard to see.
>>Might be a cap. Any idea
>>what it is and it's value ?
>>Ron/K8FG...
>>
>>_______________________________________________
>>TenTec mailing list
>>TenTec@contesting.com
>>http://lists.contesting.com/mailman/listinfo/tentec
>>
>>    
>>
>
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>http://lists.contesting.com/mailman/listinfo/tentec
>
>  
>
Ok Steve,
I will do some checking tomorrow but the CW jack is a direct board mount.
In the mean time I will call TenTec and order a circuit diagram.
Thanks for your help ! Ron/K8FG...
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