Having problems with your BenQ FP767 17" LCD Monitor ?
Monitor on but no/very feint display
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\015 Second & third faults are the inverters. (power but no image visible, but feint if you shine a light into the screen)Check the 4 transistors on the main power board for shorts.\015\012Found the above solution - sounds like my problem.\015\012\015\012However, I am not sure how to check the transistors. Can you provide a little more detail???\015
\015\012Anyway to the problem at hand..
\015\012The transistors are easy to check. They have 3 legs so think of them as 1, 2 (middle) and 3
\015\012Using a multimeter on continuity mode (should give a tone when the probes are touched together) put one lead onto pin 1, and the other onto pin 2. You should get a tone for no more then a half a second at most. If you get a solid tone, it has shorted out.
\015\012Move the leads to the pins in various combinations to cover all possible connections if you get no tone from the first test. One short and it needs to be replaced.
\015\012When you replace the transistors in these, replace them as a pair. There are 2 transistors that work together at each end of the board. (4 all up)
\015\012I have done up a very long conversation with another on here, so just look through my posts and you will see it.
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Sorry for the late reply, I was sent away for 2 weeks in the middle of nowhere.\015\012\015\012Anyway to the problem at hand..\015\012\015\012The transistors are easy to check. They have 3 legs so think of them as 1, 2 (middle ... BenQ FP767 17" LCD Monitor
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