Question about BenQ FP767 17" LCD Monitor

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My Benq PF767 has No display ! I found pico fuse fp751 open.I replaced it.Screen appears for Just 1 sec then OFF.Check fuse fp751..Open again ! Check all diodes,transistors around(Q759,760,Q761,Q757..)they seem OK ! What caused the fuse open !? Can anyone help, because I've run out of fuse!!

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: how to open casing

Just managed to open a FP17G+ monitor. My hope is that FP17G is similar and that this comes in handy.

There are 5 screws holding the casing together. Four are in the corners (black screws on my monitor). The 5th is right under the monitor stand (silver screw on my monitor.

To open the monitor, I had to:

1) Remove the monitor stand. To do so, you need to take out the two screws at the point where the base connects to the monitor (right above the pivot point) and slide out the monitor stand. THis should give you enough space to take out the 5th screw.

2) Unscrew the five remaining screws on the back of the monitor.

3) At the bottom edge of the monitor, there are two gaps between the front and back plastic panels of the monitor. You can place a wide screwdriver in this gap and gently pry apart the front and back of the monitor. Continue around the edge and the monitor will be open.

Best of luck... If you figure out what is wrong inside, let us know (I am trying to fix the same problem).

Posted on Apr 08, 2008

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Mark_Webber
  • 472 Answers

SOURCE: screen working and after 2 sec screen black

On your power board you will have a faulty surface mount fet with 8 legs that controls the backlights.
There are 4 of these, but if any of them fail the protection circuit turns them all off.
Best best is to get it to a local technician for repair. It is not an easy task unless you have the right equipment.
Hope that helps. =)

Posted on Apr 09, 2008

viziks
  • 220 Answers

SOURCE: Can't find video signal

If screen says "Signal cable not connected " all the time till power led switches to Amber chances are monitor is ok and problem is with graphic card or cpu.Connect to Known working CPU and confirm that monitor is the problem.
If same problem persists on another working cpu after changing signal cable,the interface board in the monitor could be defective.
Samir

PLease rate solution and provide feedback.

Posted on Jun 12, 2008

  • 461 Answers

SOURCE: Benq FP731 LCD not start up, only green power lamp

Opening it will not likely solve your problem. Have you tried another monitor on the computer to see if the problem may be with the computer itself?

Posted on Mar 04, 2009

  • 1 Answer

SOURCE: BenQ FP72G+ 17" LCD Monitor NO DISPLAY

There is a small thing that make it work again, search on the board to BFXXX fuse usually its a 3 Ahm fuse replace it and it will work.

Posted on Apr 08, 2009

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Monitor STFC (Self Test Feature Check)
* Turn off the monitor
* Plug the monitor power cord directly into the wall socket to remove any surge protectors or APCs from the troubleshooting equation
* Unplug the monitor video cable from the back of the computer
* Turn on the monitor
* The floating dialog box should appear on screen against a black background. If the issue appears during the STFC, the monitor is defective. Get it replaced.

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HI.............


Repairing BenQ 17′ LCD Monitor

benqlcd.jpg
I came across a common fault problem in BenQ 17′ LCD Monitor. The problem is have power but no display. Once you has opened the LCD cover, check the pico fuse for open circuit (very common), the push pull transistors C5707 for short circuit and the Buck royer circuit p-channel fet FQU11P06 also for short circuit too. For your information, if you can't get the FQU11p06 you can always use FU9024N as a replacement. Resolder all the high voltage transformer pins and replace the components above and I'm sure you will bring back the life of this BenQ 17′ LCD Monitor.
You may go to this fairchild semiconductor website to download the spec of the FQU11P06 P-channel FET.

http://www.fairchildsemi.com/ds/FQ/FQU11P06.pdf


GOOD LUCK.............

Sep 23, 2011 | Computers & Internet

1 Answer

Repair BenQ Q24W5 monitor


HIIIIIIIII...................


Repairing BenQ 17′ LCD Monitor

benqlcd.jpg
I came across a common fault problem in BenQ 17′ LCD Monitor. The problem is have power but no display. Once you has opened the LCD cover, check the pico fuse for open circuit (very common), the push pull transistors C5707 for short circuit and the Buck royer circuit p-channel fet FQU11P06 also for short circuit too. For your information, if you can't get the FQU11p06 you can always use FU9024N as a replacement. Resolder all the high voltage transformer pins and replace the components above and I'm sure you will bring back the life of this BenQ 17′ LCD Monitor.
You may go to this fairchild semiconductor website to download the spec of the FQU11P06 P-channel FET.


http://www.fairchildsemi.com/ds/FQ/FQU11P06.pdf



GOOD LUCK............

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if these are pixel shaped dots then the DMD chip is most likely faulty

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First check the vga cable, video cards of your pc.if all of these are ok open your LCD monitor check the power board for boated capacitor, open secondary pico fuse or fuseble resistor, replace it with the same value. The defective lcd panel can cause of dim dispaly but the power is ok.

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Check the ribbon from the video card to the back of the panel. It has to be aligned perfectly and locked down in the right position at the video card side, and pushed in corrctly to the panel.

The section that contains the inverter circuit is totally seperate from the rest of the power supply. Seperated by the fuse link marked FBxxx.

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2 amp pico fuse in power supply......T

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