[TenTec] Orion II Black Screen - Successful Repair

Barry N1EU barry.n1eu at gmail.com
Tue Jan 30 06:03:14 EST 2018


Yes, thanks very much for your efforts.

73, Barry N1EU

On Tue, Jan 30, 2018 at 3:28 AM, MadScientist <dukeshifi at comcast.net> wrote:

> Barry:
>
> I am going to be doin an Orion LED replacement in a few days and will take
> before photos and also process photos.
>
> Can I send them directly to you off list to post where you want them?
>
> Gary
>
> W0DVN
>
>
>
> > On Dec 16, 2016, at 11:27 AM, Barry N1EU <barry.n1eu at gmail.com> wrote:
> >
> > If anybody does repairs of this type, please take before and after photos
> > of the screen to add to the knowledgebase.
> >
> > 73, Barry N1EU
> >
> > On Fri, Dec 16, 2016 at 12:22 PM, Gary F <dukeshifi at comcast.net> wrote:
> >
> >> I have replaced the LED illuminators with new ones fro LCD Parts.
> >>
> >> I am told that the same illuminators are available more cheaply but I
> have
> >> had good support from LCD Parts and they offer a drive board that is
> easy
> >> to install.
> >>
> >> I've done two Orion's and five 756 Pro series with their devices with
> >> excellent results.
> >>
> >> The Orion only has room for the 100 mm LED stick.
> >>
> >> Gary
> >> W0DVN
> >>
> >> Sent from my iPad
> >>
> >>> On Dec 16, 2016, at 11:00 AM, denton sprague <denton at oregontrail.net>
> >> wrote:
> >>>
> >>> my Orion I has a fading display….LED illumination going south? if so,
> >> what is the easiest/cheapest fix?
> >>>
> >>>> On Dec 16, 2016, at 8:40 AM, Dukes HiFi <dukeshifi at comcast.net>
> wrote:
> >>>>
> >>>> The Orion 1 had LED illumination, one of the first Ham radios to do
> so,
> >>>>
> >>>> I have never needed to open an Orion 2 display but I doubt that Ten
> Tec
> >> would have stepped backwards this far unless they had a good reason.
> >>>>
> >>>> Perhaps so, though, since Orion 2’s  did not use the white pair of
> >> wires going from the power distribution board, the one that provided
> power
> >> for the LED control circuit. If the O2 display had on board high voltage
> >> generation on the CPU board (or on the display panel itself), that would
> >> obviate the need for this white cable.
> >>>>
> >>>> It is possible Ten Tec was not able to find a color LCD that used LED
> >> illuminators. If this was the case, then the LCD panel in use must have
> its
> >> own on-board high voltage generator because the 566 schematic does not
> show
> >> one and the LCD PWM driver from the 565 is missing from the 566. Thus
> it is
> >> highly probable that the color display has its voltage generator
> on-board.
> >>>>
> >>>> The person who found and repaired this gave us (myself at least) some
> >> very valuable information and did a great repair!
> >>>>
> >>>> Gary
> >>>>
> >>>> W0DVN
> >>>>
> >>>>
> >>>>> On Dec 16, 2016, at 7:02 AM, Bob K8IA via TenTec <
> >> tentec at contesting.com <mailto:tentec at contesting.com>> wrote:
> >>>>>
> >>>>> Steve,
> >>>>>
> >>>>> This is in the Orion II. I dont believe the Orion is a cfl backlit
> >> display. Others should verify. Tnx.
> >>>>>
> >>>>>
> >>>>> 73, Bob K8IA
> >>>>> Arizona Outlaws Contest Club
> >>>>>
> >>>>> <div>-------- Original message --------</div><div>From: Steve
> >> Ellington <steven4lq at gmail.com <mailto:steven4lq at gmail.com> <mailto:
> >> steven4lq at gmail.com <mailto:steven4lq at gmail.com>>>
> >> </div><div>Date:12/16/2016 5:40 AM  (GMT-07:00) </div><div>To:
> Discussion
> >> of Ten-Tec Equipment <tentec at contesting.com <mailto:
> tentec at contesting.com>
> >> <mailto:tentec at contesting.com <mailto:tentec at contesting.com>>>
> >> </div><div>Cc: BobK8IA at aol.com <mailto:BobK8IA at aol.com> <mailto:
> >> BobK8IA at aol.com <mailto:BobK8IA at aol.com>> </div><div>Subject: Re:
> >> [TenTec] Orion II Black Screen - Successful Repair </div><div>
> >>>>> </div>1,800 volts in an Orion!!! Better watch where you poke around!
> >>>>>
> >>>>> That board would be a good item for Orion owners to stock up on.
> >>>>>
> >>>>> On Thu, Dec 15, 2016 at 6:30 PM, bobk8ia--- via TenTec <
> >>>>> tentec at contesting.com <mailto:tentec at contesting.com> <mailto:
> >> tentec at contesting.com <mailto:tentec at contesting.com>>> wrote:
> >>>>>
> >>>>>>
> >>>>>> This is a follow up to my email below from 24 October 2016.
> >>>>>>
> >>>>>> As of 12/14/16, my Orion II is successfully repaired now, thanks to
> >> good
> >>>>>> friend Kevin W9CF. What had failed was some component(s) on the 12v
> to
> >>>>>> 1800v
> >>>>>> inverter board that powers the cfl backlight.
> >>>>>>
> >>>>>> A new inverter board (TDK CXA-L0612A-VJL which is DigiKey part #
> >>>>>> 445-1619-ND; about $23) has the radio up and running like new.
> >>>>>>
> >>>>>> http://www.digikey.com/product-detail/en/tdk-
> >> corporation/CXA-L0612A-VJL/ <http://www.digikey.com/
> product-detail/en/tdk-
> >> corporation/CXA-L0612A-VJL/>
> >>>>>> 445-
> >>>>>> 1619-ND/652720
> >>>>>>
> >>>>>> Thought some of you real techies would like to know this. Thanks to
> >> those
> >>>>>> of you that responded to me directly.
> >>>>>>
> >>>>>> 73, Bob K8IA
> >>>>>> Arizona Outlaws Contest Club
> >>>>>>
> >>>>>> -----------------------
> >>>>>>
> >>>>>>
> >>>>>> In a message dated 10/24/2016 8:15:20 A.M. US Mountain Standard
> Time,
> >>>>>> BobK8IA at aol.com writes:
> >>>>>>
> >>>>>> Gents;
> >>>>>>
> >>>>>> I am getting ready for our annual Multi-Two N7AT fun in CQWW SSB,
> this
> >>>>>> weekend. One of the op positions my Orion II. I turned the Orion II
> on
> >>>>>> and no
> >>>>>> screen appeared, just blank/black. The radio appears to be
> functioning
> >>>>>> fine
> >>>>>> but no screen. It does not appear to be power supply related.
> >>>>>>
> >>>>>> It worked fine two days ago (and generally trouble free since 2006
> >> when I
> >>>>>> bought it new). Latest firmware 3.033xe installed and RX-366.
> Battery
> >> was
> >>>>>> recently replaced.
> >>>>>>
> >>>>>> Any guidance you can give me. The radio is contest-unusable as is.
> >>>>>>
> >>>>>> TNX.
> >>>>>>
> >>>>>> 73, Bob K8IA
> >>>>>> Arizona Outlaws Contest  Club
> >>>>>>
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> TenTec mailing list
> >>>>>> TenTec at contesting.com
> >>>>>> http://lists.contesting.com/mailman/listinfo/tentec
> >>>>>>
> >>>>> _______________________________________________
> >>>>> TenTec mailing list
> >>>>> TenTec at contesting.com
> >>>>> http://lists.contesting.com/mailman/listinfo/tentec
> >>>>> _______________________________________________
> >>>>> TenTec mailing list
> >>>>> TenTec at contesting.com <mailto:TenTec at contesting.com> <mailto:
> >> TenTec at contesting.com <mailto:TenTec at contesting.com>>
> >>>>> http://lists.contesting.com/mailman/listinfo/tentec <
> >> http://lists.contesting.com/mailman/listinfo/tentec><http:
> >> //lists.contesting.com/mailman/listinfo/tentec <
> >> http://lists.contesting.com/mailman/listinfo/tentec>>
> >>>> _______________________________________________
> >>>> TenTec mailing list
> >>>> TenTec at contesting.com <mailto:TenTec at contesting.com>
> >>>> http://lists.contesting.com/mailman/listinfo/tentec <
> >> http://lists.contesting.com/mailman/listinfo/tentec>
> >>> _______________________________________________
> >>> TenTec mailing list
> >>> TenTec at contesting.com
> >>> http://lists.contesting.com/mailman/listinfo/tentec
> >>
> >> _______________________________________________
> >> TenTec mailing list
> >> TenTec at contesting.com
> >> http://lists.contesting.com/mailman/listinfo/tentec
> >>
> > _______________________________________________
> > TenTec mailing list
> > TenTec at contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
>
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>


More information about the TenTec mailing list