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Recent content by dlt205

  1. D

    oscilloscope problem

    It happens on channel 2 also. It seems to take longer but eventually does the same thing.
  2. D

    oscilloscope problem

    Thanks for the responses. It's a GoldStar / LP Precision Co model OS-9100P oscilloscope . It is a 100mhz, 2 channel, 2 traces,6"squared CRT and divided TV trigger signal . I have the manual but no schematics. I can not locate any schematics for this unit via internet search. The problem is...
  3. D

    oscilloscope problem

    When I put a sine wave to the scope it shows the wave perfectly for about 5 minutes then the signal on the scope will slowly sink to the bottom of the screen and disappear. I have a direct connection via bnc cable from the generator to the scope to test this. I check the signal generator and...
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