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Recent content by Jean Perret

  1. J

    Rc toy Transmitter compability

    The frequencies are excatly the same between the two remotes, on the 27 band, A, B, and C ( same color code as well ) . And both are of course digital proportional. hummer ...
  2. J

    Rc toy Transmitter compability

    Hi folks, I have a Radioshack Hummer H2 http://support.radioshack.com/support_games/doc71/71672.pdf and it's missing the original transmitter, Those are hard to find so I came across this one...
  3. J

    Part that looks like a resistor with only code CEC

    Hi folks, Had a problem with a toy grade RC truck steering that quit working and taking apart the steering box I found that the basic 180 steering motor was connected to two parts that look like resistors with the only code CEC, one of them having a broken connection. Are those parts...
  4. J

    Can I run more power with relays then bipolar transistors?

    Hi folks, I'm still looking how to boost some few RC cars using a lipo 3S instead of the standard 9.6V nicd/nimh packs and my last attempt on different cars resulted on a fried NPN transistor on the circuit board of one of the cars. Then I decided to do a little more research and it seems that...
  5. J

    RC Transmitter and Receiver communication

    Hi folks, We have an RC club at school and we are trying to undertsand the problem we have on a Radioshack rc Jeep http://support.radioshack.com/produc...20Toys&Reuse=N and as we don't have the correct transmitter so we tried diffferent TX all 49mhz as this car is a 49mhz only one TX kind of...
  6. J

    resistor or transistors burnt?

    You should then know then a nicd/nimh fully charged is 11.5V...And you are not answering my question probably because you don't know..
  7. J

    resistor or transistors burnt?

    it was a lipo 3s 1050mah, 30C, Fully charged 12.6V.
  8. J

    resistor or transistors burnt?

    Hi folks , this topic is following another one about a toy rc that I was trying to run on a lipo 3S pack 1050mah,30C instead of the regular nicd/nimh 9.6V pack and the car ran about 20% faster for about 50 meters before coming to a dead stop. It had a burnt smell around the power transistors and...
  9. J

    Resistor replacement

    he problem is also the very small wires running on this board.. Will not take the higher voltage load...I don't really need to charge the batteries from the truck and it would take forever so I will simply replace this transistor by the same kind and charge the batteries outside the truck...
  10. J

    Resistor replacement

    No the resistor is really green in color, in fact it hasn't leaked it has overheated at one of the bottom connections, a kind of melt between the board material itself and the bottom of the resistor ( was trying to charge the batteries in the truck using a to powerful charger into the onboard...
  11. J

    identify and upgrade power transistorson toy rc car

    yes I think I will just put regular pnp /npn transistors but at least the most powerful ones .. any precise model you guys know?? And as for heatsink, the actual ones that burnt up in no time had already good heatsinks..
  12. J

    Resistor replacement

    in fact this part has overheated and leaks at it's bottom.. by my stupid mistake rushing to charge the batteries on the truck using the charging port on the truck.. I say stupid because using only 4C batteries rechargeable in this case I hooked a leaf blower 18V charger gambling on the...
  13. J

    identify and upgrade power transistorson toy rc car

    Some people tell me that if the actual bard has not been designed for power mosfets then it will not work? I'm kind of lost..Or should I use just more powerful transistors, a step better then the ones I have now and go with the exact same pnp, npn?
  14. J

    Resistor replacement

    thank you, I will try to post a picture, usually have a hard time downloading pictures.. maybe this car being so old, 1985 makes the part kind of rare those days as a ceramic cylinder green or maybe the 2 I read with a triangle beside is a 5 reversed..
  15. J

    Resistor replacement

    oups.. my bad.. OK then do you have a ref or part that I can order? Funny thing is that combination 47 ohms , 2W seems strange as the resistor is quite big for its power...?
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