Question about Sunpak Auto 544 Flash
Sunpak 544, charges but will not flash
There can be more than one reasons for that.
1. Broken wire at sync terminal.
2. Electronic sync issue:
2.1. Faulty sync thyristor (CR02).
2.2. Faulty trigger transformer
2.3. Any other passive component around the previous two.
3. Broken sync lead to the flash tube.
4. Broken leads to the main terminals of the flash tube.
5. Electronic fault at main thyristor.
5.1.Faulty main thyristor.
6. Faulty flash tube.
7. Other, like crack on the PCB.
Good luck! :)
If you happen to decide to part with your faulty flash, please consider to write me first, I offer it a good home... best regards, Laszlo klaci(at)index(dot)hu
Posted on Nov 14, 2008
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Posted on Jan 02, 2017
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