Question about Gateway FPD2275W LCD Monitor

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Flyback Tester Hellow sir. Can you help me find a diagram for "FLYBACK TESTER" i just want to construct and practice this type of test instruments..... pls sir help me with this one...Thanks a lot...

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Re: Flyback Tester


open it you will get more than enough what you want for


Posted on Oct 19, 2007

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793MB flyback went off.

bad power supply, a blown out transistor,diode, but check horizontal output first..
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What is "flyback" in a tv monitor

A flyback transformer (FBT), also called a line output transformer (LOPT), is a special type of electrical transformer. It was initially designed to generate high voltage sawtooth signals at a relatively high frequency. In modern applications it is used extensively in switched-mode power supplies for both low (3V) and high voltage (over 10 kV) supplies.

this is use only on monitor the old one that used CRT TUBE.

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check the vga cable if it is attached properly to your computer. Make sure that the VGA cable is connected to the Video Card that you are using.

check in the manual if you need to install the driver first.

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Where do I find a View Sonic E70 Model VCDTS21496-1A circuit diagram, this monitor does not want to switch on at all, what is the common causes to check.


First check that the B+ is working under load. Second disconnect the secondaries off the flyback. Now check the the HOTransistor and then ring the flyback. My guess is that the HOT and flyback are bad and possibly a couple of isolation capacitors.

Good Luck

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Monitor will not stay on.

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the neck board of the monitor needs tube replace it is corroded with carbon if you cannot get a replacementbuy a new monitor.but also check the flyback also it could be faulty replace it check for your monitor parts or,good luck.

Apr 26, 2007 | LG Flatron Ez T710BH 17" CRT Monitor

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