Owon pds 5022 manual

I tried to open it up, but haven't been successful. There is a label on the back of the unit stating that there are no serviceable components inside.

Does anyone have any ideas as to how a perfectly good running scope stops running because it was idle for 2 years? I somewhat had forgotten about it.

I can think of maybe two possibles, but keep in mind i love my boat anchor scopes and havnt owned a scope newer than 15 years old.

It ' might ' be something tiny like maybe a aux setting battery inside for the ram chips. If you can get a service manual look and see if it has an internal battery or better still a super cap.

Second one it could be is caps, caps tend to dry out or go bad quicker if you dont use something, i have often had to replace caps on the psu side of equipment if i havnt used it for a good while, but normally you get a iffy smell or smoke if thats the problem. So wild guess and its a wild guess, its a internal set up battery or super cap thats drained and the scope has lost its calibration data etc. But i dont know anything about these scopes.

Look online, especially search EEV blog for tear downs, there is bound to be a tear down post of the scope somewhere or maybe even a video. Its worth the time finding out how to get it open without using a hammer.

Duct tape sometimes gets them back together but often not. I have a Tektronix scope that won;t work without good batteries. That's a possibility. It must have a good set of batteries. Similar threads G. Replies 2 Views 1K. Apr 8, harrimansat. Fujitsu 42" plasma pdsw-s. Replies 10 Views 3K. Jan 14, deadcalm. Lighty Dec 10, Repairing Electronics 2. Replies 36 Views 7K. Jan 29, dr pepper.

Old Oscilloscope. Replies 14 Views 2K. The positions of two purple dotted line cursors measurements. The reading shows the frequence of the two channels. It is a 6 digits cymometer. Its measurement range of frequency is 2Hz to full bandwidth. The square wave of 1 KHz frequency and 5V peak-peak value will be displayed in several seconds see Fig.

The probe which is not compensated or presents a compensation deviation will result in the measuring error or mistake. If it is required to change check the set value of the probe attenuation coefficient, press the function menu button of the channels used, then push down the selection button corresponding to the probe till the correct set value is shown.

The following practices will gradually direct you to be familiar with the using of the vertical setting. The following practices will gradually direct you to be familiar with the setting of horizontal time base. The following practices will direct you to be familiar with the setting of the trigger system gradually. Press F2 menu selection button again, select the channel as ON, with Channel 1 is switched on. You can match these frequencies with known system frequencies, such as system clocks, oscillators, or power supplies.

Press F4 to choose the Format as dB or Vrms. Hanning Use Hanning for measuring sine, periodic and narrow band random noise.

This window works on transients or bursts where the signal levels before and after the event are significantly different. Use the default dBV RMS scale to see a detailed view of multiple frequencies, even if they have very different amplitudes. The display in the screen is shown as Fig. The screen will show a window area defined by two cursors. As a result, the window area defined by two cursors will be expanded to the full screen size see Fig.

When it is pressed, an operation menu will be presented in the screen. Set Channel 2 as the trigger signal of the source. Press the F4 menu selection button and choose Auto for Mode. Press the F5 menu selection button to next menu. Press the F2 menu selection button and choose DC for Coupling. The display in the screen is as Fig. The operation menu of Video Trigger is shown as Fig. Line Set a trigger level synchronization in the video line.

Field Set a trigger level synchronization in the video field. Odd field Set synchronous trigger in the video odd field. Single trigger: Use a trigger level to capture stable waveforms in two channels simultaneously Alternate trigger: Trigger nsynchronous signals steadily. The two channels could acquire the waveforms when the CH1 and CH2 are inputting two different frequency signals.

Set the external input channel as the trigger signal of Source the source. The latter is the one with FFT. Videos on youtube are there to testimony the contrary.

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