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Tech Head - The Technology Section
The Work Bench and Soldering Station
Any electronics experts here?
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<blockquote data-quote="mhku" data-source="post: 522124" data-attributes="member: 190842"><p>In the post #5 photo the clear LED at the bottom of the PCB is a sensor that can limit the output of the flash: when covered it gives full power, when partially covered power output is reduced.</p><p></p><p>On a similar flash a 100k potentiometer is wired across two sensor terminals (each end of the thin red wire in the photo below) to control power output (_http://www.websitetoolbox.com/tool/post/rtoyz/vpost?id=2324538) but this flash has different electronics and sensor.</p><p></p><p>As you can tell I know bugger all so it may not even be possible on the photo shown in post #5</p><p></p><p>Cheers for the replies (I had problems getting on the site last night) <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="mhku, post: 522124, member: 190842"] In the post #5 photo the clear LED at the bottom of the PCB is a sensor that can limit the output of the flash: when covered it gives full power, when partially covered power output is reduced. On a similar flash a 100k potentiometer is wired across two sensor terminals (each end of the thin red wire in the photo below) to control power output (_http://www.websitetoolbox.com/tool/post/rtoyz/vpost?id=2324538) but this flash has different electronics and sensor. As you can tell I know bugger all so it may not even be possible on the photo shown in post #5 Cheers for the replies (I had problems getting on the site last night) :) [/QUOTE]
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Tech Head - The Technology Section
The Work Bench and Soldering Station
Any electronics experts here?
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