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Download HUNG CHANG HC OSCILLOSCOPE service Page 1 × – 45k – jpg PROTEK PC USER SM. Protek (Hung Chang) Pc Oscilloscope in good condition, comes with Oscilloscope Probe Kit. If you need any more photos, we will be glad to send you as many as you need. | eBay!.

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Distorted Sine output from Transformer 8. So I suspect it’s either the vertical or horizontal amp circuit.

One I am repeating Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. Protek P Hung Chang. Other offers may also be available.

Had to search a bit. Dec 248: I am kind of winging it here. What I predict is going to happen is that the part of the waveform appearing above the top half of 3502 screen will look normal while the bottom half will look wonky.

Welcome to hunf site! Learn more – opens in new window or tab. By continuing to use this site, you are consenting to our use of cookies. Was just curious since I have never used it before Click here to register now.

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Just a bit off the topic.

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Synthesized 35502c, Part 2: Protek P Hung Chang Hi, try this one!

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No the intensity and focus is fine. Funny thing — it turns out that the Protek site has a PC service manual! Report item – opens in a new window or tab. Seller’s payment instructions Import duties, taxes and charges are not included in the item price chanb shipping charges.

Third, when you set Channel B coupling to AC and adjust the position knob, what happens? Protek P Hung Chang Thanks wyatt!

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Subject to credit approval. Not sure what you mean by being unable to “get things to move around ground? These charges are the buyer responsibility. Learn More – opens in a new window or tab. If I flip the channel A to ground, your suppose to see a straight line, right? We love our international customers and would love to have your business but due to the nature of the used equipmentand that all items are untested and used, all sales are final.


The time now is nung PV charger battery circuit 4. I couldn’t make out the settings but that is ok. I’ll take my best guess at what might be wrong. I have this Protek P aka Hung Chang oscilloscope that has a couple of power resistors that got cooked. That’s what we’ll try and do.

No softwear or cables will be sent. But I dont, well, not until I move the position knob almost all the way down Finally, what ripple looks like is a 60hz chsng wave where there should be a flat trace The vertical position adjust is part of the vertical section circuitry.

Also could be a problem with the focus circuitry. Think about when the waveform appears and doesn’t appear — only when the trace deflects to 35002c certain point. Let’s see if I am right It is the bidder’s responsibility to understand that the terms of the auction, the nature of equipment offered and bid accordingly.