Question about NEC MultiSync 1760NX 17" LCD Monitor

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How do you restart a nec lcd monitor, had power surge everything but monitor gets power?

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The power surge probably blew the fuse inside the tv, first check the fuse inside the mains plug, if that is good then you will have to take the back cover off the tv, you are looking for the power board follow the mains cable into the tv and you will find it. Look for a fuse on the board, pop it out of the fuse holder, if you have or can get hold of a multimetre check the fuse for continuity if it hasnt you will have get hold off another fuse, you can normally get them from your local electrical repair shop, they dont cost much and the liklyhood is they will probably give you one free of charge.

Posted on Feb 04, 2010

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Posted on Jan 02, 2017

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I like the idea of reusing the old thing as much as anyone; if you can find the make and version of the working components, you're welcome to use them in native mode (no need for the control/interfaces chip; a PIC or other microcontroller can be substituted), make a projector, use the supply and other functions with their control lines 'tied low' with 200 ohm resistors, etc. I would be inclined to think that the video amps and detection circuits at the inputs failed (in hopes of saving the interior components,) and just replace those after I had some success driving the test points to force it into an ON state; but a positive ID of a bad chip is not going to put high hopes on that fix. A fixable unit would usually start to come on, then trip off when a failed functional section (or absence of video) was detected by a working control circuit.

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More than likely, the power surge burned one of the small resistors on the power supply or secondary side of power out put card. This is not a hard repair to diagnose or to make but you will not want a novice to do it as you can do more harm than good if you are not qualified with a soldering iron and multitester.
Better to take in for repairs, should not be that expensive from what you haev posted here to fix it.

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FAX them the SKUs and the receipt and the warrantee saying 3 years, is what sounds right in this case. Their bench fees sound pretty normal otherwise, and appropriate since you disassembled the monitor.

What was the matter with your flatscreen? William Shatner was still on it? Not just you, mate.

If you want to go all the way with testing the supply, you may as well test input impedance, spoil about for failed bridges and coils, get your soldering iron used to lead-free solder touchiness, etc. Once you replace the bridge and sleep-power trip DIAC, you can consider that due-diligence test-repairs.

Are you running a Watt Mizer or something to check your power quality lately, I wonder?

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