Tags |
|
|
Links |
|
|
Answer Upon - How To Restore Picture Tube Without using a crt tester, restorer or rejuvenator
Internet has come long ways from the days of early 1990s when it was easy to find websites and remember website address - the URL. Today billions and billions of websites exist on the internet and the number just grows by the second. Many high school kids have websites of personal interests, stay home moms have websites of personal interests bringing you excellent and much needed information. We all know how easy it is to put up a website in minutes but we also know how difficult it is to attract traffic to the website. This article talks about bringing traffic to your website.Let us assume that your site has at least 100 visitors per day which is a very achievable target for any new website. Then the next step is to watch that grow if you spend time implementing strategy to make y
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal fila
If you are not familiar with them yet, S Corporations are simply companies (corporation or limited liability corporation) which do not pays any taxes on its corporate profits. Under the Internal Revenue Code’s chapter 1 and Subchapter S, only the shareholders would have to pay their income taxes from the earnings they received from the company. In short, an S Corporation is taxed more like a sole proprietorship rather than a C Corporation.There are many C Corporations who have filed for S Corporation status because of the difference between the two tax structures. Because of this set-up, the S Corporation actually enjoys several tax advantages over C Corporations. They include:• Any losses incurred by the company can be passed to its shareholders. This way your income tax re
The cathode ray determines the brightness and sharpness of a picture tube. Its electrons are emitted from the cathode surface into the cathode ray tube’s vacuum. The electrons then strike the screen in the form of a ray and cause it to shine. Weak or used up cathodes produce few electrons and emit weak electron rays. This causes the picture to become dark and fuzzy. Sometimes the cathode emission ceased due to a layer of contamination coating covers the cathode surface. This contamination prevents the electrons from leaving the cathode’s surface thus you get a dim picture.
In order to identify whether is the tube that cause the dim or from bad components, one can always use a CRT tester/meter to check it. Some call it CRT rejuvenator, CRT restorer and others named it as CRT regenerator. These testers are designed to test and check CRT and fix it if the picture tubes have problems. I personally owned two CRT testers- the BMR 2005 Muter regenerator and a less feature one I bought from Thailand. With the help of CRT tester, I can know if a picture tube is working or not. If you do not have one, don’t worry because by checking the voltage at the CRT socket pin outs, you will have some ideas if the CRT is good or bad.
From my experienced, I noticed that the older tube can be brightening up with the help of CRT tester but not for tubes that was made in the year 1994 and above. I suspect the getter (made of barium) inside the tube have been used up. The functions of getter inside the tube are to absorb gas that was release when the cathodes are heat up. If the getter fails to absorb the gas, then there is no point to restore a picture tube. I have brightened up many picture tubes with the help of CRT tester and some looks like a new tube. But somehow after one or two days the picture tube get dim again because the getter cannot absorb the gas and the gas will travels back to the cathode surface and turn it into carbonate. Electron emission will cease again. I even have tried some home made CRT restorer downloaded from the internet and the result is still the same-the picture tube will dim back after couples of days.
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal filam
I've always had this hang up and fear about making money online. It's always been this enigmatic and nebulous kind of realm that I thought was solely for computer geeks and nerds. In my mind I thought that you had to know complicated html coding and all sorts of weird and wonderful computer jargon to make money online. You see I'm an average computer and internet user, meaning the only things I know how to do are surf the net and use the basic windows functions. The last couple years though I kept on hearing about how "average" people have been achieving the internet dream of making money online, all this being done without being an html superstar.Recently my interest on making money online has piqued a bit and I found myself reading this cool e-book online about success strategies
The cathode ray determines the brightness and sharpness of a picture tube. Its electrons are emitted from the cathode surface into the cathode ray tube’s vacuum. The electrons then strike the screen in the form of a ray and cause it to shine. Weak or used up cathodes produce few electrons and emit weak electron rays. This causes the picture to become dark and fuzzy. Sometimes the cathode emission ceased due to a layer of contamination coating covers the cathode surface. This contamination prevents the electrons from leaving the cathode’s surface thus you get a dim picture.
In order to identify whether is the tube that cause the dim or from bad components, one can always use a CRT tester/meter to check it. Some call it CRT rejuvenator, CRT restorer and others named it as CRT regenerator. These testers are designed to test and check CRT and fix it if the picture tubes have problems. I personally owned two CRT testers- the BMR 2005 Muter regenerator and a less feature one I bought from Thailand. With the help of CRT tester, I can know if a picture tube is working or not. If you do not have one, don’t worry because by checking the voltage at the CRT socket pin outs, you will have some ideas if the CRT is good or bad.
From my experienced, I noticed that the older tube can be brightening up with the help of CRT tester but not for tubes that was made in the year 1994 and above. I suspect the getter (made of barium) inside the tube have been used up. The functions of getter inside the tube are to absorb gas that was release when the cathodes are heat up. If the getter fails to absorb the gas, then there is no point to restore a picture tube. I have brightened up many picture tubes with the help of CRT tester and some looks like a new tube. But somehow after one or two days the picture tube get dim again because the getter cannot absorb the gas and the gas will travels back to the cathode surface and turn it into carbonate. Electron emission will cease again. I even have tried some home made CRT restorer downloaded from the internet and the result is still the same-the picture tube will dim back after couples of days.
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal fila
Plan to refinance your auto loan but have bad credit? You can still find financing at reasonable rates by searching online for your lenders. Researching rates and terms will lead you to a good deal, saving you money each month. Increase your odds of getting approved for the best loans by following these tips.Think About A Co-SignerThe better your credit score, the better your rates. So if you don’t have great credit, look for someone who does. By having them co-sign for your loan, you can find yourself qualifying for much better rates. Lenders look at your co-signers record, but you pay for the loan.If you are a couple, you may also choose to use the person with the best credit score to apply for the refinance auto loan. You can find out who h
In order to identify whether is the tube that cause the dim or from bad components, one can always use a CRT tester/meter to check it. Some call it CRT rejuvenator, CRT restorer and others named it as CRT regenerator. These testers are designed to test and check CRT and fix it if the picture tubes have problems. I personally owned two CRT testers- the BMR 2005 Muter regenerator and a less feature one I bought from Thailand. With the help of CRT tester, I can know if a picture tube is working or not. If you do not have one, don’t worry because by checking the voltage at the CRT socket pin outs, you will have some ideas if the CRT is good or bad.
From my experienced, I noticed that the older tube can be brightening up with the help of CRT tester but not for tubes that was made in the year 1994 and above. I suspect the getter (made of barium) inside the tube have been used up. The functions of getter inside the tube are to absorb gas that was release when the cathodes are heat up. If the getter fails to absorb the gas, then there is no point to restore a picture tube. I have brightened up many picture tubes with the help of CRT tester and some looks like a new tube. But somehow after one or two days the picture tube get dim again because the getter cannot absorb the gas and the gas will travels back to the cathode surface and turn it into carbonate. Electron emission will cease again. I even have tried some home made CRT restorer downloaded from the internet and the result is still the same-the picture tube will dim back after couples of days.
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal fila
What are Audience Response Systems?Audience response systems are hardware and software combinations that allow a presenter, facilitator or instructor to add interactivity to presentations, focus groups, classroom lectures and other group meetings.The hardware component typically comes in the form of a wireless hand-held keypad with 7 – 10 buttons that are distributed to each member of the audience. A receiver, or “base station,” connects to the presenter’s computer and collects data from the keypad entries. The audience response software also resides on the presenter’s computer, and includes presentation capabilities as well as data collection and reporting functions.How Do Audience Response Systems Work?The facilitator advances through th
From my experienced, I noticed that the older tube can be brightening up with the help of CRT tester but not for tubes that was made in the year 1994 and above. I suspect the getter (made of barium) inside the tube have been used up. The functions of getter inside the tube are to absorb gas that was release when the cathodes are heat up. If the getter fails to absorb the gas, then there is no point to restore a picture tube. I have brightened up many picture tubes with the help of CRT tester and some looks like a new tube. But somehow after one or two days the picture tube get dim again because the getter cannot absorb the gas and the gas will travels back to the cathode surface and turn it into carbonate. Electron emission will cease again. I even have tried some home made CRT restorer downloaded from the internet and the result is still the same-the picture tube will dim back after couples of days.
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal fila
Salespeople are called upon to perform many duties, from customer training to market analysis. But we must never forget the primary value we bring to our organizations, the real reason we remain on the payroll: We are excellent at gaining commitment from paying customers. Or, at least, we're supposed to be.Why don't customers commit? Because salespeople don't ask them to!Yet incredibly, four out of six sales calls end without the salesperson asking the client to commit to any action that will move the process forward toward a sale. The salesperson presents some product information, maybe leaves some brochures and then walks away.That is a travesty. Here's how to prevent that from happening.1. Always set a Commitment Objective before every call. You may hav
After done some research and experiment, I found that the best way to brighten up the tube is to increase the heater voltage. Normal heater or filament voltage is about 6.3 volt and if you increase the voltage to about 8 to 9 volts, this means the cathode will produce more electrons and thus the screen will become brighter. Bare in mind that do not apply any voltage that is higher than 9 volts to the heater otherwise the internal filament will burn out and broken. Once it is open then there will be no way to rescue it.
If the picture tube is heading to rubbish dump then there is no harm to try to restore it. About how long it will last, I cannot guarantee it. Some will last even more than two years and some only couples of weeks. Recently there was a badge of Compaq and Hp 15” monitor that have the symptom of blur display with bright picture. No matter how hard you try to adjust the focus adjustment at the back of flyback transformer, the picture still look slightly blurs. Using the methods above I had saved lots of picture tube (I don’t need to replace a second hand one to customer).
It is a simple modification and this only applies to the 14 and 15” monitor picture tube only. First you need to find which secondary output that have output from 12 to 15 volts. Once you have locate it, then solder a wire at the cathode pin of the diode and join it to the input pin of 7808 (output 8Volts) voltage regulator. Please don’t tap from the B+ voltage which is usually 45 volts and above and this may kill the 7808 IC because this IC can only withstand voltage up to 38 volts maximum. The current drawn from the 14 and 15” picture tube is less than the 17” tube and if you use this way to brighten up the 17” tube, the power supply may go into shutdown mode and sometimes will even lead to power blink.
I do know some technicians like to use the method of turning few rounds of wire at the flyback ferrite core to restore the brightness. This method can work in Television but not in Monitor. Computer monitors runs in many resolution and the higher the resolution the higher the B+ voltage and thus making the output voltage at the wire increased. This will lead to a sudden brightness and may shutdown the monitor. Even if it didn’t shutdown, the customer may get annoyed with the Monitor brightness (raster) whenever the customer change the monitor resolution.
Now solder the pin 2 of 7808 IC to cold ground and the output of 7808 IC pin 3 to the CRT heater point as shown in the picture. Remember to cut off the 6.3 volt supply line from the power supply because you don’t need it anymore. What you need is the 8 Volt supply to the filament in the picture tube. You can also connect a low ohm protection resistor in series to the heater point. Just in case if any short circuit happens the resistor will open circuit. Make sure you attach the 7808 IC to the heatsink, preferable the heatsink at the flyback transformer.
This method only work for tube that is slightly blur and not too dim picture. If a picture is very dim even if you raise the heater voltage to 12 volt, you still would not see a b
HTTP = HTML link (for blogs, profiles,phorums):
<a href="http://www.hubyou.info/article/173780/hubyou-How-To-Restore-Picture-Tube-Without-using-a-crt-tester-restorer-or-rejuvenator.html">How To Restore Picture Tube Without using a crt tester, restorer or rejuvenator</a>
BB link (for phorums):
[url=http://www.hubyou.info/article/173780/hubyou-How-To-Restore-Picture-Tube-Without-using-a-crt-tester-restorer-or-rejuvenator.html]How To Restore Picture Tube Without using a crt tester, restorer or rejuvenator[/url]
Related Articles:
The World of Computer Game Design
Financial Freedom With Multilevel Marketing Home Business Opportunities
Selling Information on the Internet
Bookmark it:
|