Not to monopolize the thread, here is what
I found in my Jupiter.
The voltage regulator supplies 5V to
parallel resistors, then 4.5v to J12.
When I put 5V directly to J12, the backlight
brittens up a bit but the graphics is still
dim. So went ahead and ordered a new display.
However, the new display looks like it
won’t come with a connecting flat cable (FFC).
Question to arGy, did you have to unsolder
the 20 or so pins from the old display cable to
then to the new one? Or did your display
come with a cable attached?
BTW,, the R133 Contrast control is a coarse
adjustment, and sensitive too.
tnx..
Fernando N2FQ/6
n2fq@sbcglobal.net
> On Jul 19, 2018, at 12:20 PM, Fernando <n2fq@sbcglobal.net> wrote:
>
> Do you happen to recall the specifics?
>
> Here is the one I’m eluding to on eBay:
>
> Yeah.. I know kind of small, cut and paste.
>
> 162294417788
>
>
>
> Do you still have the old one?
>
> Like to tinker with it.
>
> Fernando N2FQ/6
> n2fq@sbcglobal.net
>
>
>
>
>> On Jul 19, 2018, at 9:58 AM, MadScientist <dukeshifi@comcast.net> wrote:
>>
>> I did find a very nice exact replacement for the Jupiter display on eBay.
>>
>> Price was good, quality of the part was excellent.
>>
>> arGy
>>
>>> On Jul 19, 2018, at 11:39 AM, Fernando <n2fq@sbcglobal.net> wrote:
>>>
>>> Just Contrast and Reverse ON/OFF.
>>>
>>> Would have been nice to have had a brightness
>>> entry though..
>>>
>>>
>>> Fernando N2FQ/6
>>> n2fq@sbcglobal.net
>>>
>>>
>>>
>>>
>>>> On Jul 19, 2018, at 7:42 AM, Mike Bryce <prosolar@sssnet.com> wrote:
>>>>
>>>> i’m not sure, but isn’t there a menu adjustment for brightness and
>>>> contrast?
>>>>
>>>>
>>>> Mike, WB8VGE
>>>> SunLight Energy Systems
>>>> The Heathkit Shop
>>>> http://www.theheathkitshop.com/
>>>> J e e p
>>>> o|||||||o
>>>>
>>>>> On Jul 19, 2018, at 9:58 AM, Bob McGraw K4TAX <rmcgraw@blomand.net> wrote:
>>>>>
>>>>> There is an internal contrast adjustment. Don't know if this will help
>>>>> in your case. Replacement of the display is the option. And where to
>>>>> get one......don't have a clue.
>>>>>
>>>>> 73
>>>>>
>>>>> Bob, K4TAX
>>>>>
>>>>>
>>>>> On 7/19/2018 8:48 AM, Gary Hendricks wrote:
>>>>>> It seems my jupiter display is not as bright as it should be. It was
>>>>>> this way when I got it and dont have another radio to compare it with
>>>>>> but pictures I see online seem to have a much brighter screen. Its the
>>>>>> green screen.
>>>>>> Its a great running radio and screen is still easy to see once
>>>>>> contrast was adjusted. Is there a way to replace the backlight on
>>>>>> these displays? I know a display replacement is out of the question.
>>>>>> ThanksGary K4MT
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>>>>>
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