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  1. C

    project help with toy IC boards

    Well I hooked it up, and it does seem to amplify. It is a bit distorted, but I guess I'll have to live with it. The .047 capacitor comes in both a plastic green design and the usual ceramic disc. Any difference? I bought two new pots - one 100,000  and one 10,000. Both create a bit of...
  2. C

    project help with toy IC boards

    Guru, O.K. but in this case, I was powering both off of one battery. So I just connect the battery wires from the IC to the positive and negative of the breadboard which has the 9volt battery at the other end? Bruce
  3. C

    project help with toy IC boards

    Guru, I don't understand what you mean about connecting the battery negatives together and discionecting the original IC speak negative. Where does the speaker negative go then? I tried your diagram. The only thing I don't have is the .047 capacitor. Perhaps the pot is bad because I didn't get...
  4. C

    project help with toy IC boards

    PROJECT 1: I attempted to trace the circuit board for the toy sound effect IC, but my eyes just can’t handle it. I tried to re-create the colors of the resistors as best I could. This configuration does amplify. However, I have to use one of the pots or trimmers (whatever it is – variable...
  5. C

    project help with toy IC boards

    I'm sorry, I guess I shouldn't have proposed this idea here becaue this is way over my head. I don't meet the minimal knowledge for this stuff. Everything I do I have researched on the web looking for schematics and reading. I understand where you are going, but I do not know any of the values...
  6. C

    project help with toy IC boards

    With the transistor idea, what kind of transistor, and what value resistors? I got the Radio Shack chip and the 386 to work off of one 9 volt, the there is no amlification anymore. Bruce
  7. C

    project help with toy IC boards

    Hi, I'll look into the LM317L. Perhaps I can do a search on the net to get a wiring diagram of how to connect the capacitors and resistors. Hopefully there is room for the parts in the toy. Can I create a 9 volt split to 4.5 volts and use the split for the chip but yet patch off the ful 9...
  8. C

    project help with toy IC boards

    Hi, I am new here, and I am not very experienced with electronics. In fact, I am just learning. I am not good with message boards either. I have a few pet projects I want to get through, and that is is far as I will need to go electrically. My biggest issue is this; I have removed a POC board...
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