Thread: Vivitar 3500 "zoom thyristor" flash won't whine
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Fox's Mercantile Fox's Mercantile is offline
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Default Vivitar 3500 "zoom thyristor" flash won't whine
On 9/15/20 1:38 PM, wrote:
Another other way to test them is to piggyback a new one on, see if it springs to life. Another way is to use a component tester.


NT

That ONLY works if they're open.
You should know that.


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