troubleshooting

  1. Bbrandonparran

    Ne555p problems. Inexperienced. Help..

    Okay, so recently got into breadboards and learning about electrical engineering and computers. And by recently I mean 3 days ago. I have an ne555p chip. I am trying to make an astable clock signa for my projects. lI have no way of showing a diagram. R1-2k R2-100k c1 10uf c2 10uf(across +...
  2. K

    Diagnosing/repairing a Laptop motherboard?

    Hey guys! First time posting here! I have an Alienware 17 R3 laptop that I picked up broken to see if it was repairable (I like learning new skills). All signs point to a short on the motherboard, I plugged in the charger and the blue LED on the charger cable goes out immediately if I attempt to...
  3. Crazy_BJT

    Troubleshooting/repair Hameg 1500 scope

    Hi there to you all, I need some help with a troubleshooting/ repair. I have an analog/digital oscilloscope Hameg HM1500, it has some RTC problem, it presents a partial sweep. I think is the horizontal circuit, that's either missing a voltage or there is some faulty component. The only problem...
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