This acer monitors got here in with the criticism of vast display and distortion (line swimming) across the vertical line of the display. Though you possibly can adjust the horizontal size, you just cannot make it into smaller and the horizontal dimension nonetheless large and curve inward. You could additionally clearly see all of the vertical strains on the display have a small wave (distortion) throughout it. At first I assumed it was brought on by a defective filter capacitor at secondary side of the display however all the capacitors checked to be okay. Since all of the caps tested okay, now I fully think about the horizontal dimension and pincushion circuit area. If there are any elements shorted or defective in this area, it would cause the show to go big (vast) and many times you can’t tune it back to regular size. From skilled, principally the issue was the modulation diode which have shorted or a pincushion transistor that have leaked. But each elements and all the nearby circuit elements checked to be okay too. Utilizing high voltage probe to test on the anode voltage proved it to inside the fitting range. On your data, if the holddown or security capacitor capacitance value out it might additionally cause the show to turn massive but after all the excessive voltage measured on the anode cap could be higher. Since all the suspected elements measured okay, I might then use voltage testing to find the fault. Simply before doing the voltage test, I observed that the eeprom ic is put in simply beneath the image tube. If any eeprom ic in any monitor situated under the belly of the CRT, then likelihood is high the info would be corrupted by the discharge of the CRT. Should you repair some of the latest mannequin of Samsung Monitor, you will perceive why because the Samsung monitor had a bit of aluminum shielding to guard the microprocessor and eeprom IC from being discharge onto it. A corrupted eeprom information might cause the micro processor to output a unsuitable signal to certain or all circuit. If it send a flawed signal to the DPMS circuit, then the acer monitors will shutdown as soon as the power is on. The ACER eeprom IC part number was 24C08. I used to maintain good eeprom data in my hardisk for future use simply in case if there’s a must reprogram the eeprom IC. I took out the eeprom IC from the board and insert it to the middle socket of the horse prog eeprom serial programmer. I then connect it to the serial port of my laptop and start to look for the nice information for this model. I do keep numerous ACER monitor eeprom IC data. Once I obtained it, I overwrite the outdated knowledge with the great data. Installing again the eeprom IC took solely a while and the Monitor was switched “on”. Guess what? Not solely the horizontal size now received back to normal, the distortion on the vertical traces vanished too. You higher believe it {that a} corrupted eeprom IC may cause many weird symptoms. For some screens, as soon as the eeprom IC have been programmed, though the monitor work, the colour could run. Some techs are good in changing the code within the information and tune to the need colors.With a view to make the brand new reprogrammed eeprom information last longer, you’ll be able to add a chunk of defending on high of the EEprom IC to stop any loss knowledge within the future. Bare in mind that, eeprom data loss not only occurs in monitor, it may happen in different digital tools too corresponding to LCD Monitor, Television, UPS and etc. Whether you are repairing the flat screen monitor or every other model of Screens, should you come throughout any weird problems you can’t remedy, attempt reprogramming the eeprom IC and who knows the monitor may match again. With the intention to do this, of course you need a serial programmer which you’ll be able to simply purchase one from the internet.
Lest you don’t care what your circuits are made of, listen up: graphene’s the thinnest electrical material, comprising just a single atomic layer. In addition to its electrical, thermal, mechanical, and optical properties, researchers dig it because it has the potential to be less expensive, more energy-efficient, and more compact than your garden-variety silicon. So imagine IBM’s delight when a team of company researchers built the first circuit that fits all the components, including inductors and a graphene transistor, on a single wafer — a setup that consumes less space than a grain of salt. The advantage, scientists say, is better performance than what you’d get from a circuit combining a graphene transistor with external components. In fact, the researchers got the circuit’s broadband frequency mixer to operate at 10GHz , a feat that could have implications for wireless gadgets running the gamut from Bluetooth headsets to RFID tags. That’s all just a layman’s explanation, of course — check out the latest issue of Science for the full paper in all of its technical glory.
IBM outs integrated circuit that’s made from wafer-size graphene, smaller than a grain of salt originally appeared on Engadget on Thu, 09 Jun 2011 15:00:00 EDT. Please see our terms for use of feeds.
Lecture Series on Basic Electronics by Prof. TSNatarajan, Department of physics, IIT Madras For more Courses visit nptel.iitm.ac.in Video Rating: 4 / 5
Toshiba develops silicon nanowire transistor for 16nm generation and beyond
(PhysOrg.com) — Toshiba Corporation today announced that it has developed a breakthrough technology for a nanowire transistor, a major candidate for a 3D structure transistor for system LSI in the 16nm generation and beyond. Read more on PhysOrg
New modusGate(TM) 5.0 email security provides data leakage protection with Policy Management
Vircom releases 5.0 upgrade to its modus(TM) email security technology and product line. In addition to more anti spam features, the latest revision features a new Policy Management module to help organizations protect against abuse, data theft and sabotage. read more Read more on SYS-CON Media
VirnetX Advances to Russell 3000 Index and Global Index
VirnetX Holding Corporation , an Internet security software and technology company, announced today that it will be included in the Russell 3000 Index and Russell Global Index when Russell Investments reconstitutes its family of U.S. indexes on June 28, 2010, according to a preliminary list of additions posted June 11, 2010 on www.russell.com. Â VirnetX joined the … Read more on PR Newswire via Yahoo! Finance
CSS acquires UK based IT firm
BANGALORE: CSS Corp., provider of technology solutions, today announced the acquisition of Aliquo Solutions Limited of the UK, a niche IT consulting firm focused on IT transformation. Read more on CIOL
They electronically switch and amplify signals by harnessing the unique abilities of semiconductor materials. Their invention has transformed the world of electronics and accelerated our entry into the digital age. Behold – the Transistor! brought to you by makezine.com audio and video by Collin Cunningham
Silicon Valley is known worldwide as the global center of high tech innovation. In large part, the spark that ignited Silicon Valley’s explosive growth can be traced back to a 50 year-old dispute that occurred in the building at 391 San Antonio Road, Mountain View, California. In the 1950s William Shockley was considered a “God” in the electronics world. He led the Bell Labs team that invented the transistor in 1948. With funding from Arnold Beckman — a wealthy scientist-businessman — Shockley established the Shockley Semiconductor Laboratory in 1955. Shockley went against Beckman’s recommendation to set up in southern California, near Beckman’s own company, and established the lab in a former Quonset hut at 391 San Antonio. Shockley’s disruptive management style eventually forced eight of his young scientists to approach Arnold Beckman directly in an attempt to remove Shockley from day-to-day management. When their bid fails, the group feels they have burned their bridges and must find alternative employment. Through an East Coast banker, the scientists are introduced to Sherman Fairchild, a New York industrialist. He is intrigued by the potential of silicon transistors and agrees to support the group with an investment of .3 million to start a new company called Fairchild Semiconductor. In Silicon Valley lore, the dissenting scientists became known as the Traitorous Eight – some of whom went on to bigger and better things. Bob Noyce and Gordon Moore founded Intel in … Video Rating: 5 / 5
