[time-nuts] HP-53132A Faded and flickering display
Edgardo Molina
xe1xus at amsat.org
Wed Nov 14 05:44:39 UTC 2012
Thanks again Tom! I will wait for your feedback.
Cheers!
Edgardo Molina
Dirección IPTEL
www.iptel.net.mx
T : 55 55 55202444
M : 04455 10045822
Piensa en Bits SA de CV
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On Nov 13, 2012, at 11:41 PM, Tom Knox <actast at hotmail.com> wrote:
>
> Hi Edgardo;
> I have been looking for a part number and source. There was a part number posted but it was for the 34401A which is slightly different. I will post price and availability if I find them.
> Best Wishes;
> Thomas Knox
>
>
>
>> From: xe1xus at amsat.org
>> Date: Tue, 13 Nov 2012 21:37:08 -0600
>> To: time-nuts at febo.com
>> Subject: Re: [time-nuts] HP-53132A Faded and flickering display
>>
>> Dear Azelio, Tom, John and Luciano ( I hope I am not missing anybody),
>>
>> Thank you all of you for your kind advise on this subject. I am sorry I was unable to reply in a timely manner. I had to leave town for a week for new IT business. I think I will start by dismantling the unit display and test the tantalum capacitors as you mentioned. If I can achieve success by doing this it is fine. Otherwise I could consider using it as the GPIB workhorse as I just started to obtain my first ADEV, MDEV and TDEV graphs with TimeLab and a Prologix adapter. May I know the command for turning the display off via the GPIB port? That is something nice for long periods of sampling.
>>
>> A whole new world has just opened to me. Know I am starting to get intimate with my frequency standards by knowing them in deep. If all goes well I should start updating my wish list for a Wavecrest DTS unit next year. For now I will squeeze every single Tau value from the graphs using the 53132A.
>>
>> Last but not least. If the display fades away I could eventually consider buying a new one as the whole instrument is in pristine condition and would be a shame to see it working without a brilliant display.
>> Thank you for all your feedback.
>>
>> Wishing you all a pleasant evening/morning.
>>
>>
>> Kind regards,
>>
>>
>>
>> Edgardo Molina
>> Dirección IPTEL
>>
>> www.iptel.net.mx
>>
>> T : 55 55 55202444
>> M : 04455 10045822
>>
>> Piensa en Bits SA de CV
>>
>>
>>
>> Información anexa:
>>
>>
>>
>>
>> CONFIDENCIALIDAD DE INFORMACION
>>
>> Este mensaje tiene carácter confidencial. Si usted no es el destinarario de este mensaje, le suplicamos se lo notifique al remitente mediante un correo electrónico y que borre el presente mensaje y sus anexos de su computadora sin retener una copia de los mismos. Queda estrictamente prohibido copiar este mensaje o hacer usode el para cualquier propósito o divulgar su en forma parcial o total su contenido. Gracias.
>>
>>
>> NON-DISCLOSURE OF INFORMATION
>>
>> This email is strictly confidential and may also be privileged. If you are not the intended recipient please immediately advise the sender by replying to this e-mail and then deleting the message and its attachments from your computer without keeping a copy. It is strictly forbidden to copy it or use it for any purpose or disclose its contents to any third party. Thank you.
>>
>>
>>
>>
>>
>>
>> On Nov 4, 2012, at 8:27 AM, Timeok <timeok at timeok.it> wrote:
>>
>>> Hi all,
>>>
>>> to avoid more display "consumption" during long acquisitions, there is an HPIB command to blank the display on the counter. I have asked to KE5FX to add this feature in Timelab during the acquisition setup. Hope he have time to do this.
>>>
>>> Luciano
>>>
>>>
>>>
>>> Il 2012-11-02 23:13 John Lofgren ha scritto:
>>>> <- snip ->
>>>>
>>>> Two possibilities: Cathode poisoning or bad tantalum caps. I'm not
>>>> sure if "cathode poisoning" is really the correct term for this
>>>> effect, but it's similar. There have been a number of tutorials out
>>>> there about rejuvenating VF displays.
>>>>
>>>> <- snip ->
>>>>
>>>> It appears that the military parts system has the EL displays listed
>>>> for replacement purposes.
>>>> http://www.wbparts.com/rfq/5980-01-396-4645.html
>>>> http://www.iso-group.com/Public/PartDetail/CP3033A/12619547/12619547.aspx
>>>>
>>>> Should the display prove to be beyond recovery it might be possible
>>>> to buy a new one. Now, the cost may be another matter ...
>>>>
>>>> These are made by Noritake-Itron. The generic part number is
>>>> CP3033A, but it does not show up in their product line on their web
>>>> site. It might be worth contacting them to see if there's any
>>>> possibility of still getting them.
>>>> http://www.noritake-elec.com/contact_us.htm
>>>>
>>>> Searching for Itron CP3033A turns up some parts brokers that claim to
>>>> have access to 251 of them.
>>>>
>>>> -John
>>>>
>>>>
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>>>
>>> --
>>> timeok
>>>
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