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Originally posted by mcbradshaw
I have been looking at these boards for months, but am a new member.
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Welcome
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-Where can i find a schematic or diagram for ZZSE car?
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I am not aware of a complete schematic, but I've done the h-bridges, mostly for the purposes of documenting the mosfet mod.
You can find the schematic in
this thread
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-Under the black clip that holds in the PCB is what looks like a frequency crstyal. Is it actually that? (i want to change it to work with a standard set)
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Yup, thats a 4.000Mhz crystal. Without a schematic I couldn't tell you what exactly its connected to, but I suspect its for whatever ICs the SE uses, one of which decodes the serial data from the RF stage, and one that I haven't done anything with that I guess has something to do with the RF receiver.
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-Has anybody tried to mod through the LED connector on the top of the PCB?(i think there is some potential there)
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To accomplish what?
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-What is the fastest/most impressive mod out there?
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I'd say the mosfet mod including jumpering the n-channel gates to the p-channel gates (which we generally attribute to cyborgZero).
Note that even with the mosfet mod the ZZSE still only runs the motor at a maxium 30% duty cycle (for year '03 cars, I haven't checked the new ones), so when I finish my CPU replacement it will be, IMHO, the most impressive