Recent content by PhuocTran

  1. PhuocTran

    Photocopier!!!

    Please help me where to download RICOH Photocopier service manual? I am finding... but not found. Please help me. Thank you.
  2. PhuocTran

    PC Ociloscop Help

    I did it all you say, not mute, line contact to line - in. Still nothing. I try to measure somthing it always display the same SINE freq.
  3. PhuocTran

    PC Ociloscop Help

    Ante, I have done the schem to protect my PC but the question is how to use the sound card to measure. I am trying to do it -> in screen, i see some line, that is all. I know that when measure something, the program will display the diffrent line?. Help me the detail again, aplease.
  4. PhuocTran

    PC Ociloscop Help

    I downloaded PC ocsiloscope V2.51 from this page. But i do not know how it work. Please help me the detail how to connect it. Using soundcard, how to setup the hardware and the software to measure the electrics equipement?. Attach the detail picture is more helpful Thank you so much.
  5. PhuocTran

    LaserJet Printer Circuit

    Hi, Please help me how to fix my mainboard's HP laserjet 1100 printer. Where can i download the detail documents of the HP Laserjet Printer such as Diagrams, Circuit detail.... Please give me the link, Please. Thank You!!!
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