[TenTec] Orion II Black Screen - Successful Repair

Mon Jan 29 22:28:30 EST 2018

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
>>>>>> 
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