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I have an hp monitor with a power suply-inverter E131175 This monitor go black after a few seconds

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: BenQ FP51g LCD monitor

Dear Friend:
There is a Switch transistor to power on -off the hi voltaje for lights. Check 15V from power source go to this transistor colector, Using soldering Iron, make a juntion between colector and emiter, to short 15V to Hi voltaje power. I´m fixing 10 monitor the same trouble. I will remove a liter transistor.
Late I will post here the driver transistor number, and the replace number transistor I will use.
Pictures , etc. Best Regard

Posted on Oct 25, 2008

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SOURCE: monitor goes black after a few seconds

I have the same problem on my Acer AL1711. The monitor was out of warranty so I opened it up and found one of the 1000 mf capacitor almost ready to pop. A 50 cents replacement from allelectronics.com fixed the problem.

Not recommended for anyone without experience soldering electronic components to PCB's.

Posted on Dec 29, 2008

  • 10 Answers

SOURCE: inverter part number

Here is the part: PTB-1773

Posted on Mar 24, 2009

dww0642
  • 79 Answers

SOURCE: SCREEN GOES BLACK AFTER A FEW SECONDS AFTER TURNING MONITOR ON.

More often then not, this is attributed to a failing Backlight Inverter. A Backlight Inverter, is a power board mounted below the screen that actually send power to the Lamp inside the LCD itself. Check to see, when it goes out if there isn't still some images faint in the screen. If this is the case take it to a local repair shop and have them order one and replace it. repair cost for this shuold be around 65-100 dollars.

If this helps, please rate my solution. Have a great day.

Posted on May 16, 2009

  • 597 Answers

SOURCE: my screen goes black after a few seconds

Sounds like a bad solder joint on the printed circuit board. Once it heats up then it no longer makes good contact and the monitor goes black until it cools down and makes contact again. You could resolder it if you knew where it was but monitors are dangerous to go playing around with as they can hold very high charges of electricity in their capacitors that are very dangerous. It's a throw away world. Go buy a new one.

Posted on Jun 02, 2009

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1 Answer

Why does screen go black after a few seconds


Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.

To fix this black screen problem, change the inverter board (based on your monitor brand).
Source(s): http://lcdmonitorrepair.annics.com

May 05, 2014 | ASUS VK193D LCD Monitor 19-inch - Black

1 Answer

Screen goes black for a second or two every few minutes


This indicates the inverter transformer is going or a capacitor issue.

May 08, 2012 | HP LP3065 Monitor

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My monitor on my laptop is going black after a couple of seconds. It was working perfectly last night, and this morning was when it started going black after a few seconds of showing picture. I've...


Try an external monitor. If that works its probally the inverter again. There is probally an underlying cause that is taking out the inverter. Possibly a bad resister that powers the inverter or that long skinny board the inverter plugs into could have a bad component on it. I would change both to be safe. Of course the inverter you put in could of been bad too. Stranger things have happened.

Jun 26, 2011 | HP Computers & Internet

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My Soyo 19" TFT monitor Model:MT-NI-DYLM1998 comes on at power up but goes black after a few seconds. But on repeating turning power off then on again, the monitor comes on and then goes black again after...


Thank you for answering those questions. That usually indicates it has a bad power inverter. From what i can tell, that monitor is a few years old. You can attempt to find an inverter online to replace it yourself (usually about $50 if you can find one) since its no longer covered under warranty, or put that money into getting a new monitor.

Sep 06, 2010 | Soyo DYLM24D6 LCD Monitor

2 Answers

SCREEN GOES BLACK AFTER A FEW SECONDS AFTER TURNING MONITOR ON.


More often then not, this is attributed to a failing Backlight Inverter. A Backlight Inverter, is a power board mounted below the screen that actually send power to the Lamp inside the LCD itself. Check to see, when it goes out if there isn't still some images faint in the screen. If this is the case take it to a local repair shop and have them order one and replace it. repair cost for this shuold be around 65-100 dollars.

If this helps, please rate my solution. Have a great day.

May 16, 2009 | Acer AL1715 17" LCD Monitor

2 Answers

LCD blank screen, blink white


blank_page Use a reset sequence on the monitor-
1. turn off monitor
2. unplug power
3. plug power back in, holding down the last button on the left, then push the power button to turn back on and off three times, holding on the third try until it comes on- hold for ten seconds and release; the monitor should work again

Jul 28, 2008 | Computers & Internet

2 Answers

Monitor problem


You are experiencing an inverter board failure. You will need to replace or repair the inverter. The inverter drives the CCFL lamps that illuminate the screen if the lamps draw to much current or components on the board are overheating it will shut down the backlights. Some monitors have cold solder joints on the toroidal coils of the inverter that causes this problem, very typical with HP monitors, If you are handy with a solder iron you may try just re-soldering board and replacing push-pull transistors for a few more years of use. Provide make and model and I can be more specific about probable cause and solution.

Jan 18, 2008 | AOC LM729 17" LCD Monitor

2 Answers

RE:monitor goes black


Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

Sep 21, 2007 | Acer AL2017 20" LCD Monitor

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