Author Topic: Reverse engineering a module based on a TDA8004T.  (Read 1236 times)

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Offline makerimagesTopic starter

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Reverse engineering a module based on a TDA8004T.
« on: July 16, 2014, 09:27:01 am »
Well, long story short- I salvaged the Smart-card reader module from inside an old Thomson set-top box, this one to be exact . That was way before I got my soldering station, and my 80W(yup, I'm an idiot) iron made sure work of getting rid of most of the 10 pads that were on the module(ribbon cable broke, otherwise I hadn't gone near them with my iron). The module is numbered 3571777A, and has the NXP semiconductor TDA8004T Smart-card chip on it. I'd now like to reverse engineer the module and bring out the connections again. Any bright ideas on what 10 signals could've been there/anyone have that set-top box to beep out? Many things seem to be on one line there on the module... multiple power inputs to the chip.. I'm puzzled.
 


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