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Recent content by sonicacid

  1. S

    Analog Oscilloscope Repair

    Hi Willbe, I've been searching for a service manual, but i've only managed to find the user manual which has a block diagram, I can post the image of this if you like. I have tested the power supply and I'm getting the right voltages, and I have tested about half of the transistors...
  2. S

    Analog Oscilloscope Repair

    Hi everyone, I have recently acquired an old oscilloscope, its a GW GOS-662 and it uses a cathode ray tube. I'm having some issues with it, in that the trace only comes up for a split second when i turn it on, all the modes, x-y and time/div's work, as I have plugged a sig gen...
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