Question about Mag Innovision 19" LCD Flat-Panel Monitor LT916S

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700P / LT782s / LT916s

Hey Omnifox,
Did you try the cap replacement on a 700P / LT782s?  And if so did it work?
Do the boards in the 700P / LT782s look like the ones in BNUTZBCRAZY's video's?
Thanks, Jetlab

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  • Bobc491 May 11, 2010

    Link for bnutzbcrazy's video for LT916s?

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  • 4 Answers

SOURCE: Mag lt782s power board problems

Is it a really fast blink on the power light? If so, you might be looking at the wrong item. The fast blink means that the mainboard has an issue.

Like I've said sever other times on this board, there's an NPN transistor that is usually the culprit. Just yank it and replace it with a Radio Shack NPN and you should be in business (maybe bump it up a touch so that you don't have the same problem again).

Posted on Nov 18, 2007

  • 100 Answers

SOURCE: No power with 700P LCD monitor, No green light,

You will need to check for any pico fuses that run along those capacitor lines they may be marked as pf or nf on the pcb

Posted on Jan 05, 2010

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1 Answer

Have a Mag 19" monitor, model LT916s. Screen is


Sounds like a silly question but have you checked the fuse? If it isn't that then it sounds like a problem with the power board. Check it for burn marks and bulging electrolytic capacitors (they're the little round tube like things that stick up), also check any fuses on the board. If it's the caps or a fuse then just replace them, if something else is burnt out then you'd have to replace the board but you might not be able to find a replacement since it's old.

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That is capacitors problem, I would change all the caps in the 5v and 12v power supply section, you can have bad caps with high ESR. Also look at the caps on the logic board. I use hair dryer for troubleshooting to locate bad caps.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague

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No power with 700P LCD monitor, No green light, nothing. replaced 2 popped 470 25C caps. Nothing else looks bad. Board 860-ALZ-M713-F


You will need to check for any pico fuses that run along those capacitor lines they may be marked as pf or nf on the pcb

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I replaced the screen in my palm treo 700p and now the phone works but the screen wont come on.... what do i do?


Can you hear it ring when u try to call ur number using a different phone? If yes, maybe it isn't aligned properly or check the connector.
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1 Answer

Screen goes black after a few seconds.


when the screen goes black shine a flashlight on it. If you see a dim image the back light needs to be replaced. Otherwise check the inverter as that may be causing the problem as well.

Sep 07, 2009 | Mag Innovision LT782S 17" Flat Panel LCD...

1 Answer

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Hello,

Can you send pictures of the power board to me at tech@ccl-la.com I will check our service manuals for the model and get back with you about a solution.

Buddy
Corporate Computer

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1 Answer

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souns like the dc-dc convertor board that supplies the backlight gone faulty possible poor soldering on board

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Hi..there,
The lamps has nothing to do with it... what you need a new backlight inverter or repaired it by replaced a couples of bad capacitors... Sound easy... right! Not so... It's not always the caps problems.

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3 Answers

MAG Innovision LT916S monitor problem


Hi this is the way how to examine what's wrong with your monitors. After you turned it on and the screen went black, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,
Tan

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1 Answer

Mag lt782s power board problems


Is it a really fast blink on the power light? If so, you might be looking at the wrong item. The fast blink means that the mainboard has an issue.

Like I've said sever other times on this board, there's an NPN transistor that is usually the culprit. Just yank it and replace it with a Radio Shack NPN and you should be in business (maybe bump it up a touch so that you don't have the same problem again).

Oct 12, 2007 | Mag Innovision LT782S 17" Flat Panel LCD...

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