• DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

It is currently 14 December 2024, 09:50

DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
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 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

by falkon40 • 12 August 2022, 19:44
Witam.

Trafił mi sie pierwszy polski tuner stereofoniczny z syntezą częstotliwości dedykowany krajowym zestawom Diora Midi-055 i próbuje naprawić. Tuner posiada baterie do podtrzymania napięcia i często z tego co wyczytałem z baterii wylewa się substancja na ścieżki, tak jest i w tym przypadku. Chciałbym zasięgnąć rady za nim przejdę do samodzielnego czyszczenia, czym takie ścieżki wyczyścić i jak ?
Pozdrawiam.

Image

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Re: DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

by Google Adsense [BOT] • 12 August 2022, 19:44

#2 Re: DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

by matic • 13 August 2022, 10:52
Hello!

Remove the µC chip MAB8049 from the board and mechanically clean the spilled area of the board with a "Fiberglass pencil" (picture below).
By the way, I recommend that you wear gloves to protect your hands from the small pieces of fiberglass.
Image

Use some flux and tin all cleaned copper traces to prevent the oxidation, clean that area of the board with IPA and solder the removed components back to the board.

You can also solder the DIP-40 socket and insert the µC chip in it for easier possible re-disassembly.
Image

#3 Re: DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

by labu • 24 August 2022, 20:50
najlepiej to zeskrobać skalpelem (lekko zejdzie), przemyć IPA i zabezpieczyć lakierem PVB 60.

Re: DIORA AS-952 czym wyczyscieć scieżki po wylaniu baterii?

by Google Adsense [BOT] • 24 August 2022, 20:50
 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).
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