I'll Show You All Switch Mode Power Supplies Repairing Secrets And How You Can Start Power Supply Repairing Work From The Comfort Of Your Home Using My Time-Tested Techniques That Works Throughout The Whole World! That's why you need to know how to successfully repair any type of SMPS. What matters is that you must know how to repair, not just to understand the SMPS theories! If you want to become a good SMPS repairer, you need this E-book that can help you get there. For The First Time Ever, I Am Revealing All My Switch Mode Power Supplies Repair Strategies To The Public!
I developed this course to help shortcut your learning curve and save you the years of frustration and confusion that I went through while figuring out how to successfully repair more power supplies. You will know how to read the Schematic Diagram and the functions of each section in SMPS. You will understand the critical waveforms and voltages in many parts of the SMPS section thus helping you to easily diagnose the faults. Complete full colour photos (about 246 photos + diagrams) to go along with the instructions. You will learn from my 11 important true case histories in SMPS repair that can practically help you in any SMPS repair. I've developed a bit of a reputation for explaining complex things in a way just about anybody can understand.
The course can't do all the work for you, but if you're willing to follow my guidance and do what I suggest, you'll see your SMPS repairing skills start to grow very rapidly, and your income will grow right along with it. Do you know that we could have wasted lots of money simply by replacing the power IC without knowing it whether it has problem or not?
Now with the help of this simple UC3842 IC Tester, you can test whether the IC is good or bad. Is a MUST HAVE report because this tester can be used to find out intermittent zener diode problem and also to locate the voltage of a zener diode if there is no marking on the zener diode. Most other guide either charges hundreds of dollars for one-on-one email consultations or they simply don't include any support at all. If you have any questions, concerns or just plain need some words of motivation, you can contact me via email and will receive a personal response within about 24 hours. I only respond to training questions from my paying members, so this truly is a valuable bonus as you'll never be left confused or wondering. Most people happily spend $5-$10 a day on expensive coffee drinks, and they have nothing to show for it at the end of the day. Click2sell.eu sells this product - they are a trusted online retailer specializing in digitally delivered products. DC-DC Converter Tutorial Switching power supplies offer higher efficiency than traditional linear power supplies. The LT3574 IC is a monolithic switching regulator designed for the isolated flyback topology.  LT3574 don’t require a winding or opto-isolator for regulation. If you consult the manufacturer datasheet you will see that the IC can be configured in many types . CAPTCHAThis question is for testing whether you are a human visitor and to prevent automated spam submissions. When the circuit is connected to the hi-fi equipment or at both ends of the electronic instruments speaker, the audio level can be modulated to 500W lamp by proportion. The touch-type anti-theft alarm can be used in wide range of applications such as the burglar alarm and the alarm of dangerous touch.etc. The item being tested is then connected to the brass screw side of the lamp socket and the switch (points A and B). How this works is an incandescent light bulb filament has a low resistance when cold, typically under 20 ohms. If the item being tested, in this illustration a transformer, has any shorts or draws excessive current the energy is absorbed by the lamp and doesn't cause further damage to the device or blow expensive fuses.
The transformer could even be connected backwards and would still be protected while the lamp glows nice and bright.
To determine what wattage bulb to use the check the power rating of the device to be checked. In general I like to keep the lamp current versus in this case the VCR current at a ratio of at least 3 to one.
If one has a 150-watt or 200-watt lamp this is fine, but we could parallel two 100-watt or two 75-watt lamps and do the same thing.
In the case of the large transformers this was mostly reactive power producing the current that dimly lite the bulb. One visitor to the site had a problem with an audio amplifier kit he ordered and this is where using a load lamp will save the day. What that means is one transistor is connected directly to the next and if any one fails, usually multiple transistors will be knocked out. The load lamp blocks the over-current and prevents damage until all of the problems are fixed.
With the load lamp attached (100-watt bulb) he found his negative side of the bi-polar supply missing. With no audio input the bulb glowed dimly and the power supply was reading 35 volts on each polarity. The best way to trouble shoot this is disconnect whatever it's powering up and try the load lamp. Switching regu­lators are available is different circuit configurations in­cluding the flyback, feed-forward, push-pull, and non-iso­lated single-ended or single-polarity types. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed-frequency oscillator.
When compared to linear voltage regulators the switching voltage regulators are much power efficient.
The electronic circuit given here is of a simple and low cost switching regulator using the IC LM317 that can deliver up to 3A of current. The National Semiconductor LM 1578 A is a switching regulator which can easily be set up for such dc-to-dc voltage .conversion circuits as the buck, boost, and inverting configurations. Here is the circuit diagram of a 5V buck switching regulator based on the IC LM2678 from National Semiconductors. The circuit decreases the size voltage or Stepdown Voltage converter circuit be dc regulated circuit model switching converter.


When feed volt give with transistor circuit Q1 and Q2 the connection is astable multi vibrator. This be Control signal Automatic Fader circuit , help fine decorate or control sound signal tallly or low follow want. This entry was posted on Sunday, September 28th, 2008 at 8:10 am and is filed under high current power supply, Power supply, switching power supply. When change the value of R2 Intensity of Lamp change to this circuit shows the usability of Mosfet be Variable Resistor. The topology used is a single transistor forward, with a reset winding on the transformer to reset the core. The single-ended primary inductance converter (SEPIC)shown in Figure 3 IC LT1618 is ideal for applications where theoutput must reduce to zero during shutdown. You're here because you want to learn how to repair switch mode power supplies and you're not sure how to do it. In fact, most people who try to start to repair SMPS, end up quitting because they don't get fast results.
This is because they're focusing on the wrong information which is on the study of too much SMPS theories. Here screenshot preview of the ebook "Troubleshooting & Repairing Switch Mode Power Supplies". You see, there's no way I can ethically promise you results, because I have no idea if you'll follow these steps to learn how to repair power supplies. In other words, the Switch Mode Power Supplies Repair Guide tells you what you need to do, and shows you exactly how, without leaving you to imagine what to do. Many repair technicians will not use back the power IC whenever they found problem like a shorted power FET in the power primary side.
With the aid of photos and full details explanation, it will not take you long to build this powerful zener diode tester. I've made this course inexpensive enough so that anyone who is serious about repairing SMPS can afford it.
I'm confident that the wealth of information that you will receive and the number of times you'll refer back to this E-book year after year will prove its value. Take up to eight weeks to examine and use the information, tips and techniques in "Troubleshooting and Repairing Switch Mode Power Supplies E-book".
All you need to do is click on the link below, which will take you to the order page, and then you just enter your information in.
Don't forget with the purchase of my eBook you get my email support to help you with any question you may have on SMPS. In this schematic diagram the switching regulator circuit will provide a dual 12 volts output (+- 12 volts ) at 40 mA current . Using 3 appropriate sets of audio filters and 3 different color light Union microscopy to access to color music stage lighting effects.
IC1 is the time-base integrated circuit NE555, the monostable trigger is composed of the IC1 and i??i?‘a€?i??i?‘a€?i??i?’a€?i??i?“.
When current begins to flow and filament heats up and resistance rises rapidly to act as a sort of current safety valve. If the bulb is bright after replacing say a blown fuse, then the likely problem most of the time is a short or problem in the switching power supply.
No power is being used because the power absorbed by the cap during the charge cycle is fed back to the source during the discharge cycle.
Replace one or two but miss number three, then powered up the two new ones will like be damaged. Also, the switching regulators can operate in any of three modes – step-down, step-up, or polarity inverting.rovide the active functions for step-down (back) switching regulator, capable of driving a1A load with excellent line and load regulation. LM 2575 series offers a high-efficiency replacement for popular 3-terminal linear regulators.
The device is available in three different output voltage versions: 12 V, 15 V and adjustable. In the case of linear voltage regulators the difference between the input and output voltage is just wasted and for switching regulators there is almost no such wastage and that’s why the switching regulators have great power efficiency ranging up to 85% .
The input voltage range of this circuit is between 8 to 35V DC and the output voltage can be adjusted between 1.8 to 32V DC.
The LM 1578 A features a unique comparator input stage which not only has separate pins for both the inverting and non-inverting inputs, but also provides an internal 1.0 V reference to each input, thereby simplifying circuit design and PC board layout. LM2678 series of regulators are monolithic integrated circuits which provide all necessary functions required for a buck switching regulator and can drive up to 5A loads. The that make voltage output there is the size voltage a little more input at feed give with the circuit. Will do frequency production comes out at a collector pin of Q2 and transmit come to at a B pin of Q3. In model the automatic convenient for the system electricity guitar , side sound of music work. The inputcurrent limit not only helps soft-start the output but alsoprovides short-circuit protection, ensuring USB devicecompliance even under output fault conditions.
Or you know the basics but are struggling after hearing all the claims as to how easy it was.
The title of the ebooks are LCD Monitor Repair, Testing Electronic Components and Find Burnt Resistor Value.
They read all these stories about electronic repairers being able to repair SMPS and making money, and thus they're inspired to give it a shot themselves.
I've made it as easy as humanly possible for you by giving you a proven blueprint for success. For the first 6 months of your training I will literally hold your hand and personally make sure that you are doing everything properly and efficiently.
That's less than the cost of a few nice dinners in exchange for a lifetime of knowing how to successfully repair SMPS. You'll be surprised how little work and effort is actually involved for you to start repairing SMPS and have lots of fun in the process! That’s up to 60 day to put these valuable strategies to work on your SMPS in your own home.
If you want to increase your SMPS repair rate, you've got to do something different than what you've been doing all this time.


When no one touch the metal M1 to Mn, the circuit is stable, pin-3 of IC1 outputs the low-level signal, alarm circuit does not work. Here we will learn how to determine what wattage light bulb to use and what to expect when something is working right versus something being wrong. If I used as 15-watt bulb (125 mA) and assuming the transformer current was 100 mA, the bulb would half on. If it's a small transformer with some ohmic resistance and the filament on a larger bulb glowed that is likely a problem such as some shorted windings or just a crappy transformer that will get hot. It substantially reduces the size of the heat sink, and in many cases no heat sink is required. In simple words, the switching regulator operates by taking small bits of energy from the input voltage source and then transferring it to the output with the help of a solid state switch and a control circuitry. The output can switch upto 750 m A and has output pins for its collector and emitter to promote design flexibility. By Q3 perform like with switch wait for close-open the circuit for control to give Q4 work.
By this circuit uses FET , then have tall rapidity , there is the crazy low and use IC op-amp model FET , number LF351. In same circuit by the character of Switching Regulator at use integrated readymade circuit.
This little circuit will pay for itself many timesover the first time it is used, especially if you are in the shower. They'd rather keep you in the dark by telling you to "replace this or that" but do not actually tell you the right way on how to locate the bad parts. That won't be the case here, because I'm including the best "how to" guide you've ever seen.
Click below to order, so you can get started on repairing Switch Mode Power Supplies right away! The repair techniques in this course are the reasons why I can repair so many types of SMPS, and they can help you do the same. If anyone touch any piece of metal M1 to Mn, EMF of human body gives a negative pulse to pin-2 of IC1, the monostable circuit gets into the temporary-steady-state, pin-3 of IC1 become the high-level signal.
If this was a single polarity amplifier then point B would be half the power supply voltage. As one can see even this simple unit we have scores of small parts that like the audio amp above are direct coupled. Since the switching element is either fully open or closed at any moment, no energy is wasted across it.
An external current limit terminal may be referenced to either the ground or the Vin terminal, depending upon the application.
I hope that this circuit may in rows checking meditation repairs a computer has of friends. You'll be able to repair many SMPS after reading and following the step by step guide in this E-book. This course will literally shave years off your learning curve, and help you in repairing many SMPS that can make you lots of money. Once you have used these strategies on SMPS's, I’m confident that you’ll NEVER want to send it back! IC2 is the DTMF encoding specific integrated circuit (telephone dial tone can also be integrated circuits), which has four southbound R1 ~ R4, C1 ~ C4 line of four columns, external standard 4 A— 4 matrix keyboard. This high-level signal makes the transistor V1 connect, so V2 also connect too, audio integrated circuits IC2 enters the working state. The GRN - WHT wires (neutral and ground) connect together and form the common connected to the 'white' or shiny metal screw on the lamp base. Any bad part will likely destroy others even if several are replaced, the new ones could be toast.
The control circuit controls the duty cycle of the solid state switch which in turn determines rate at which energy is transferred to the output.
The C3 perform charge by change the way coil L1 make output have voltage increase continually. The S1 for fine the pitch High or Low get, and have fining decorates the pitch done to a turn VR1,VR2 you can the detail adds in the circuit. Important point be power supply input must have 10A current sizes then can give power get enough. Will use prominent equipment interesting be IC SG3524 (Regulating Pulse-Width Modulators) Then be usable easy and convenient. A friend feeds power supply input 35V 10A min just one group can give voltage output follow want.
Besides still power mosfet number BUZ11 6 amounts are perform drive a pot modifies the Secretariat of the Senate runs away to give electric tall many power. Because have voltage come to bias at B pin by change the way ZD1 switch off work because of volt at a B pin of Q1 be 0V. That means you won't have to wait in order to begin using these strategies in your repair business. Use the integrated circuit TL494 be pillar equipment seek good easy.By apply to voltage 110V and 220V choose done to a turn SW1. IC3 serial data of the long-wave radio transmitter module, which uses 150kHz carrier frequency, a strong anti-interference ability.
When Q4 stop work then have no Vbias give Q5 then stop work thus Q1 then can work again and work character repeated as like this before. A few the a little when see good as a result see equipment position understands not difficult extremely. All of the tips, techniques and secrets are revealed in a step-by-step, easy to understand format.




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