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Repairing A34JXV70X NEC TV With Picture Problem

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Repairing A34JXV70X NEC TV With Picture ProblemI got this post from a Gsmsandwich forum posted by jesse_25 so all credits goes to him I'm just sharing it here in the site for reference if ever we encounter this kind of problem. History of the unit : The owner of the tried to clean his unit but after the cleaning, when he turned on the unit, the problem arouse.         So the owner brought the unit to jesse_25 for repair and what he saw when he... [ Continue reading... ]


Huawei E5220-2 Corrupted Firmware Solution (Blinking) Globe Pocket Wifi

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Huawei E5220-2 Corrupted Firmware Solution (Blinking) Globe Pocket WifiI found this tutorial on forum I am a member looking for the solution for the Pocket WiFi Blinking problem and found out it is caused by a corrupted firmware. This is the second time I have encounter this problem on my device. The first time I encounter this problem is solved by bringing the unit to the globe and have them repair it.         In this post I will teach you the solution on... [ Continue reading... ]


Huawei E5220-2 Pocket Wifi Unlock/Openline Tutorials

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Huawei E5220-2 Pocket Wifi Unlock/Openline TutorialsHuawei E5220s-2 Pocket Wifi Unlock Tutorials After a long search on how to unlock my Huawei E5220s-2 Pocket WiFi  so I can use other sim rather than globe.  Then I found on a Symbianize Forum a method that can unlock my device without having to reflashed it, we only needs the New Algorithm Code to unlock it. It is also applicable for the Huawei Broadband E357 and E359 tried and tested.         Here... [ Continue reading... ]


Samsung CRT Monitor Control Lock Always Flashing Problem and Solution

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Samsung CRT Monitor Control Lock Always Flashing Problem and SolutionIn this article, I wanna share to you our experience in repairing Control Lock Always Flashing Problem. We got this monitor from one of the office in the mall where I am working. It was a Samsung Syncmaster CRT Monitor model  551V with a problem of insufficient width and the menu is always pop up until it shows that it is locked, which looks like the menu switch is pressed for a long period of... [ Continue reading... ]


Making A Backup Of Huawei Modem NVitems Tutorial

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Making A Backup Of Huawei Modem NVitems TutorialQPST Tutorial for Making Backup of the Data of your Huawei Modem before doing any Flashing Procedure to  1.Download the QPST Software and install it. 2. Find out on what port your modem is assigned. -go to control panel -device manager         3. Open QPST Program -Click “Start” -”All Programs” -”QPST” -Select QPST Configuration   4. Add the port that we see on the... [ Continue reading... ]


Huawei Modem E153-U1, E153-U2, E153-U3 Permanent Unlock

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Huawei Modem E153-U1, E153-U2, E153-U3 Permanent UnlockHere are the Software Needed: 1. Download the QPST Software. 2. Download the Huawei Flasher, credits to "FrAnCeScO" for making this flasher. Updated Link 3. E153 Downgrade Firmware Warning: Do it on your own risk. I will not be held responsible on any damage done to your device. Then here are the steps in Unlocking our Huawei Modems: 1. Make a backup first of your NVitem using QPST. Go to the link provided for the instruction.... [ Continue reading... ]


PISONET Wiring Diagram

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PISONET Wiring Diagram   Here is diagram of the wiring of a Piso Net, which is popular here in the Philippines by using a PC with a Timer and Coin Slot to operate an Internet Cafe even without supervision because it is made to operate automatically. The main issue here is what signal or power source that you will cut to switch it using a relay. Some users are freezing the keyboard and mouse while other cut the signal or power line of the... [ Continue reading... ]


The Optoisolator IC (Error Amp) In Power Supply

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The Optoisolator IC (Error Amp) In Power SupplyIn this new article, we will now be talking about the use of the Optoisolator IC which is commonly used in the feedback circuit on a variety of power supplies that are autovolt on my opinion. Most power supplies like DVD players and Chargers that I have repair using an Optoisolator IC with a value of PIC817, this power supply is autovolt, which means it can be plugged either on a 220 volts or 110 volts supply source. According to Sirkevin,... [ Continue reading... ]


Basics in TV Repair Guide

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Basics in TV Repair GuideHere are some of the useful information that we must know if we want to learn about TV Repair, but before this, you must also have the knowledge about the electronics components and the symbols that we see when dealing a schematic diagrams and printed on the circuit boards. You must learn the basic functions of the Resistors, Diodes and other semiconductor components that are available on electronics circuits. For more information about the... [ Continue reading... ]

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