The small transistor like packages are probably the Hall Effect sensors from someone like Honeywell (SS466A?). It looks like these are used to pick up the magnetic field of a rotating magnet (that cylindrical silver thing) and are used to drive the big TO220 transistors (cannot see the part number). The other packages are diodes and resistors. Unfortunately I cannot give you any more circuit detail than that
Transistor Ignition shematic
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17th July 2011 11:56 AM #1easy.rahil
Transistor Ignition schematic
Hello All Experts, i m in need of Transistor Ignition to replace point breaker from my motorcycle. i read many many articles in internet google and almost all forums but did not yet found working and simples smallest circuit yet. and which i found they dont have answers about parts of any other related question and most of thm copid and old and parts hardly available in market.
one i found recently in an another forum is seems good and using hall senser but thread owner do not reply and not giving parts list and schematic.
here it is the pic:
if anybody can help making this or magnetic trigger schematic, will be appreciated.
ThanksLast edited by easy.rahil; 18th July 2011 at 06:57 PM.
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17th July 2011 04:15 PM #2Electronworks
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17th July 2011 05:38 PM Thread Starter #3easy.rahil
thanks for reply.
you are right it is of hall sensor TCi module. and ofcourse it is very small and compact too. with static timing.
May be someone else can give design with parts info so i can make it complete and test.0
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17th July 2011 07:50 PM #4Jaguarjoe
Somewhere out in "internetland" there is a simple circuit for a transistorized ignition that used one PNP power transistor. It still used breaker points, but it would be very simple to adapt the base input to work with a Hall sensor or the like. I'm sorry I never saved the web address, but its out there. If I could find it, anyone can. I bought all of the parts to build it along with a small box to house it. I sold the bike and moved and I don't know if I saved any of that stuff or not. If I can find it you can have it for a very low price.
0Recursion [ri kur shon] n. See recursion
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17th July 2011 08:42 PM Thread Starter #5easy.rahil
O thats very nice if it ll be possible. i will find simple circuit with minimum components if it is possible that we can remove contact breaker in transistor ignition. there are some available on net with contact breaker for pulse.
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17th July 2011 10:22 PM #6shortbus=
Here is a link to an easy way to do it if you still have points. The points don't carry any real load, they just trigger the module, so points will last forever.
http://home.comcast.net/~loudgpz/GPZ...ForPoints.html0Everyone is entitled to their own opinion but not their own facts
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17th July 2011 11:59 PM #7debe
Is it a magneto type ignition? (Coil & points under flywheel) if it is I have a circuit to replace the points in this type of ignition.
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18th July 2011 07:15 AM Thread Starter #8easy.rahil
Dear Debe, yes it is the same you are saying. you may share the design/components w ith us. hope it will help me to replace points.
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18th July 2011 11:33 AM #9debe
Hi rahil, here is the circuit & pictures of a copy of an Ign module that used to be avalable but nolonger produced. To fit it you remove the Ign points & condencer & fit this module in its place. The original units were called ATOM ign modules. They are easily built & work well on the engines ihave fitted them to.
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18th July 2011 11:38 AM #10debe
Forgot pic of a finished unit.
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