Fri Sep 26 2025

HistoStar control screen dark.

You can see the info and buttons you can actuate them but the backlight is not working. I am trying to find a service manual so I can get the part. Vendor will give me part number availability and pricing but I do not have the part number, I asked to obtain a service manual and I am told they will send a FS person out. All I need is to get the service manual so I can obtain the P# and see about taking it apart and replacing the part. 

Anyone have the HistoStar service manual?


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Sun Sep 28 2025Reply from Ross
avatar placemark

By "Vendor," do you mean Epredia? Epredia is the current owner/manufacturer of all the Thermo AP product lines. Up to now, they have been fairly helpful in determining parts.


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Mon Sep 29 2025Reply from Emily Vitkovitsky
Emily Vitkovitsky

MedWrench is an informational community, we do not sell parts or equipment. We do however work as the link between you and a service company. Browse service companies for your equipment or fill out a REQUEST FORM and we will help find a service company for you! 


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Tue Sep 30 2025Reply from Aleksei K.
avatar placemark

Se sei un ingegnere dell'assistenza, puoi facilmente trovare la lampada di retroilluminazione del display ed estrarla. Al suo posto, è possibile inserire una sottile striscia LED da 12 o 5 volt. Queste tensioni possono essere trovate sulla scheda. Non so da quale paese vieni e se è consentito effettuare riparazioni in questo modo.


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Tue Sep 30 2025Reply from Aleksei K.
avatar placemark

If you are a service engineer, you can easily find the display backlight lamp and remove it. You can replace it with a thin 12-volt or 5-volt LED strip. You can find these voltages on the board. I do not know your country or whether it is permissible to perform repairs in this manner.


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Tue Sep 30 2025Reply from Ross
avatar placemark

From what I've seen, it appears that the HistoStar is, in many ways, a repackaged HistoCentre 3, so that service manual.may be helpful, if that is available.


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Mon Oct 06 2025Reply from TECHTE
avatar placemark

I believe that Epredia sells it as a kit under part # A81010042.


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