First, discharge the main and trigger cap (300v is gonna bite you
otherwise!). Then check from the x-pin to the white wire going to the
middle of the top circuit board. It's not likely the problem, but...
Then, due to age, my first guess would be a bad flash tube -- I'd substitute
and see if that fixed it. After that, try a new trigger coil, then SR-104.
When that doesn't work, check the related diodes (D121, 115, 109), then
SR-101. A long shot would be C-106 -- substitute from a good board. When
none of that works, dump it on ebay -- um, didn't we have this conversation
before? (just kidding! ;^)
Or call Olympus and see if they'll work on it!
> Just obtained a T20 via eBay... it charges nicely, and it turns on the
> "flash ready" indicator in my OM-2S, but it refuses to fire (thought the
> flash ready light in the viewfinder does momentarily go out).
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