[Kenwood] TS-790 A display problem

Sun Sep 21 19:41:17 EDT 2008

Yeah, that thing is worse than the old TM721 display, at least you could 
make it out with a flashlight. If you put in 12v bulbs and they work browse 
around, there is 12-14v all over the place...
Clif Holland KA5IPF
www.avvid.com
----- Original Message ----- 
From: "Ken Simpson, W8EK" <W8EK at speakeasy.net>
To: "'Clif Holland'" <clif at avvid.com>; "Kenwood List (Kenwood List)" 
<kenwood at mailman.qth.net>
Sent: Sunday, September 21, 2008 6:24 PM
Subject: RE: [Kenwood] TS-790 A display problem
Thanks very much, Clif. You always have the right answer.
It uses 6 volt bulbs, and I only have 12 volt bulbs with the wire leads.
So I used the 12 V bulbs with an external power supply to get the bulbs
lit properly, and lo and behold, the display is there.
Here I thought I had a real problem, but I am certainly glad to know
that it is indeed very minor.
Thanks, Clif, and thanks to the list.
73,
Ken, W8EK
> -----Original Message-----
> From: Clif [mailto:avvidclif at wildblue.net] On Behalf Of Clif Holland
> Sent: Sunday, September 21, 2008 6:48 PM
> To: W8EK at speakeasy.net
> Subject: Re: [Kenwood] TS-790 A display problem
>>> The bulbs are out, that's all. The display is real dark.
>> Clif Holland KA5IPF
> www.avvid.com
>> ----- Original Message ----- 
> From: "Ken Simpson, W8EK" <W8EK at speakeasy.net>
> To: "Kenwood List (Kenwood List)" <kenwood at mailman.qth.net>
> Sent: Sunday, September 21, 2008 5:04 PM
> Subject: [Kenwood] TS-790 A display problem
>>>> I upgraded (or so I thought) to a Kenwood TS-790 A, dual band
> multimode
> rig, hoping to use it with the satellites, among other things.
>> The rig itself seems to be working fine, but the display for the "SUB"
> band is dead. No display at all. From what I can determine,
> the rig is
> working OK, but I can not see on what frequency it is working.
>> When I got it, all 3 of the front panel bulbs seem to be
> burned out (the
> 1 behind the S meter, and the 2 behind the SUB display). I am waiting
> on bulbs to arrive (although I may convert to LEDs soon), but can not
> think that is the only problem with the display. Shinning a
> flashlight
> from the back still results in no display. I think it is a
> fluorescent
> display, so I am guessing that the voltage to the display is gone.
>> Does anyone know if this is a common problem with the TS-790,
> and if so,
> what the normal cure is?
>> Thanks.
>> 73,
>> Ken, W8EK
>> Ken Simpson
> E-mail to W8EK at speakeasy.net or W8EK at arrl.net
> Voice Phone (352) 732-8400
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