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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 29 Dec 2011 22:51:06 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (146 lines)
It's not mine to sell.  I used to have one, but I sold it a few years ago.

Steve

----- Original Message ----- 
From: "Gerry Leary" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 29, 2011 20:31
Subject: Re: Reduced power output for TS590


> Do you want to sell the 751?
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, December 29, 2011 1:23 PM
> Subject: Re: Reduced power output for TS590
>
>
>>I did the same thing when I got my TS-480.  Even though I don't need one,
>> I'd almost be tempted to buy one if I saw it at a flea market.  The new
>> radios have more whistles and bells, and much more accessibility, but 
>> that
>> Icom receiver is awfully hard to beat.
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "Steve" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Thursday, December 29, 2011 15:02
>> Subject: Re: Reduced power output for TS590
>>
>>
>>> Yep, I haven't used it much in the last five years though.  It is my
>>> backup
>>> HF rig.  But, now that I'm upgrading to the 590, it is surplus.
>>> ----- Original Message ----- 
>>> From: "Steve Dresser" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Thursday, December 29, 2011 2:26 PM
>>> Subject: Re: Reduced power output for TS590
>>>
>>>
>>>> Steve,
>>>>
>>>> That 751A is old technology, but it's one of the truly great radios.  I
>>>> had
>>>> one for 20 years, and have many fond memories of using it.
>>>>
>>>> Steve
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Steve" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Thursday, December 29, 2011 14:20
>>>> Subject: Re: Reduced power output for TS590
>>>>
>>>>
>>>>> Tom,
>>>>>
>>>>> I doubt that the half volt difference is the problem.
>>>>>
>>>>> Have you made certain that you have the power level still set at
>>>>> maximum?
>>>>>
>>>>> Also, you are probably stressing over something that, although it 
>>>>> might
>>>>> be
>>>>> interesting to know for certain was different, may not be since you
>>>>> didn't
>>>>> know what your reading was before you updated the firmware.  Also, no
>>>>> body
>>>>> will know the difference in terms of signal level.
>>>>>
>>>>> By the way, I should have my 590 here next week.  I'll be unloading my
>>>>> Icom
>>>>> IC-751A with voice synthesizer, external keypad, and 250Hz CW filter.
>>>>>
>>>>> Steve, K8SP
>>>>> ----- Original Message ----- 
>>>>> From: "Tom Behler" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Thursday, December 29, 2011 7:15 AM
>>>>> Subject: Reduced power output for TS590
>>>>>
>>>>>
>>>>>> Hi, all.
>>>>>>
>>>>>> Last night, I was working with my TS590, and I found that it only
>>>>>> seems to put out a maximum of about 65 or 70 watts when I connect it
>>>>>> to
>>>>>> a
>>>>>> dummy
>>>>>> load, or when I key the rig on a resonant frequency for one of my
>>>>>> antennas.  These power readings were taken with my TW1.
>>>>>>
>>>>>> I have checked the integrity of all of my internal coax jumpers, so
>>>>>> that
>>>>>> shouldn't be a contributing factor.
>>>>>>
>>>>>> I took DC voltage readings from my Astron RS35 power supply with my
>>>>>> Omega
>>>>>> talking multi-meter, and  found that
>>>>>> the supply voltage is 13.350.  This voltage is lower than the 13.8
>>>>>> volts
>>>>>> I
>>>>>> would expect, which is causing me to wonder whether the supply is
>>>>>> starting
>>>>>> to fail.  Low voltage is what could cause the rig to fold
>>>>>> back, so I'm wondering if that is what is happening.
>>>>>>
>>>>>> Another thought I had was whether the problem might somehow be 
>>>>>> related
>>>>>> to
>>>>>> the firmware upgrade I
>>>>>> just did?Specifically, I upgraded from firmware version 1.04 to 1.06
>>>>>> this
>>>>>> past Monday.  I can't absolutely swear to higher output power 
>>>>>> readings
>>>>>> before the firmware update, but I do believe they were higher--i.e.
>>>>>> closer
>>>>>> to 90 watts or so before the update.
>>>>>>
>>>>>> Is there a service menu adjustment for power output that I might
>>>>>> check?
>>>>>> I
>>>>>> could probably get sighted assistance  to help me with that if I had
>>>>>> some
>>>>>> detailed
>>>>>> instructions as to how to get there.
>>>>>>
>>>>>> Just for the record, I took all power readings with the auto tuner
>>>>>> off,
>>>>>> and
>>>>>> the tentech
>>>>>> manual tuner in the bypass position.   I took the readings  in both
>>>>>> RTTY
>>>>>> mode and by pressing the "send" button on the rig's front panel.
>>>>>>
>>>>>>
>>>>>> 73 from Tom Behler: KB8TYJ
>>>>>
>>>
> 

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