Ez os-5020 service manual

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JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Thread starter nghiap4dlh Start date Sep 18, Status Not open for further replies. I have some problem with my EZ OS Does anybody have a circuit or service-manual for the EZ OS oscilloscope?

Thanks for any hints or links! It is just the same users manual harvey. Similar threads G. Adjust the output amplitude of that generator for 5 division deflection of screen. Check that the high-voltage level of pulse is flat. Connect the standard amplitude calibrator to the input Connector. Set the standard amplitude calibrator for a 50mVp-p signal. Check for a display of five divisions. Connect the fast-rise, positive output 50mV, 1MHz of the square-wave generator to the input.

Use a termination and cable. Set the square-wave generator to 1MHz. Adjust the square-wave generator output for a 5 divisions display. CH1 : Adjust the VC for a square-wave that is flat. Connect the square-wave generator to the CH1 CH2 input terminals, check for a square-wave that is flat flat top under the following settings. Connect the L-C meter to the input connector. Check the input capacity for a approximately 25pF.

Adjust the trimmer condensers for a 25 pF input capacity under the following settings. Connect the sine-wave generator to the input connector for a 0. Adjust the VR so that synchronization is effected on the waveform, 0. Readjust when stepped out. Connect the standard amplitude calibrator to the CH1 input connector. Set the standard amplitude calibrator for a 50mV. Check for a display of 5 divisions. Check to see that round spot is near the center graticule and is within 0. SVp-p, 1KHz. Next, connect the Probe Adjust terminal to the oscilloscope.

Check for the Probe Adjust output of 0. Adjust the 0. Adjust amplitude by 2 Vp-p so that the oscilloscope screen may be equal to the figure as shown. Adjust VR7 square level so that the oscilloscope screen may be 2Vp-p as the following figure shown. Example of Usage Check horizontal, vertical and trigger bandwidth.

Check horizontal and Vertical gain. Standard Amplitude Amplitude accuracy : 0. Check CAL frequency. Check horizontal timing. External trigger operation check. Horizontal gain check and adjustment. Vertical Amplifier compensati -on checks and adjustment.

Vertical Amplifier bandwidth check. External trigger operation checks. Function Generator sin wave check. TimeMark Generator 0. Impedance : 50ti ; Connectors : BNC. Table Marking for transistor electrode bottom view Electrode marking l. Emitter 2. Open navigation menu. Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous. Carousel Next. What is Scribd? Explore Ebooks. Bestsellers Editors' Picks All Ebooks. Explore Audiobooks.

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OVp-p approx. The SDot of screen c. Adjust the trimmer condenser for a square-wave flat top 1 under the following settings.