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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What I predict is going to happen is that the part of the waveform appearing above the top half of the screen will look normal while changg bottom half will look wonky. Read section in the service manual for a little overview of how the vertical section works Have you had any luck??

AF modulator in Transmitter what is the 3502v I couldn’t make out the settings but that is ok. No exceptions unless offered in the description.

Service manual – Protek P3502 (Hung Chang) Oscilloscope

One I am repeating Anyone have a schematic or service manual? Finally, what ripple looks like is a 60hz sine wave where there should be a flat trace I captured some stills from the video just for my own reference. The vertical position adjust is part of the vertical section circuitry. Digital multimeter appears to have measured voltages lower than expected. No additional import charges at delivery!

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People who viewed this item also viewed. Due to the nature of used and surplus equipment no guarantees hhng warranties either expressed or implied are offered unless specifically noted in the description. The circuit in question seems to send signals to the CRT. Learn more – opens in a new window or tab.


Oscilloscope Hung Chang 0. It is the bidder’s responsibility to understand that the terms of the auction, the nature of equipment offered and bid accordingly.

Protek P (Hung Chang)

Distorted Sine output from Transformer 8. Please enter 5 or 9 numbers for the ZIP Code. The horizontal section is what sweeps the beam from left to right. The o-scope is made up of several main sections. In the PDF take a humg at the chapter called “Troubleshooting the Vertical Section” Let’s see if we can isolate down to the block, circuit and then component levels.

Losses in inductor of a boost converter 8. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. It also is responsible for triggering when to sweep, blanking the beam when sweeping right to left to start another sweep. Protek P Hung Chang I actually chng up finding a service manual after all Refer to eBay Return policy for more details.

Levy Sound Design: Octopus Tester / Component Curve Tracer

Thanks Wow man, thank you so much Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

Any international shipping and import charges are paid in part to Pitney Bowes Inc. It’s the same scope as the P except for one added feature for component testing.


Read more about the condition. Resume making your offerif the page does not update immediately. We are surplus equipment dealers and do not have the ability or knowledge to test equipment for functionality beyond plugging it in and describing what we observe as best we can. Welcome to our site! I am starting to get a better handle on how these things work so maybe I can steer you in the right direction. This item will be shipped through the Global Shipping Program and includes international tracking.

Service manual or circuit diagram 4 Protek Oscilloscope 1. Good luck with the exam!!! Click here to register now. Its what I see one the screen. ModelSim – How to force a struct type written in SystemVerilog?

I saw the youtube comment Heat sinks, Part 2: Back to home page. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months.

Equating complex number interms of the other 6. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.