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Franc Zabkar Franc Zabkar is offline
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Default electronic ballast repair

On Sun, 21 Sep 2008 00:07:49 -0700 (PDT), Wicaksono
put finger to keyboard and composed:

Maybe that is a MJE13003, a common BJT used in CFL.
Usually there is a smaller electrolytic capacitor that went dry,
this makes switching transistors overheat & short circuit.


Your post jogged my memory.

Here are a bunch of reverse engineered CFL circuits, many of which use
MJE13003 transistors:

http://www.pavouk.org/hw/lamp/en_index.html

- Franc Zabkar
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