Question about BenQ FP547 15" LCD Monitor

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Lcd monitor benq fp 547 power supply diagrame

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Benq T701 LCD monitor

2SC5707 x4 (lamp driver transistor)....

Posted on Oct 26, 2007

alxz
  • 89 Answers

SOURCE: BenQ FP731 17" LCD Monitor Problem

Its a problem with the inverter. check the 4 transistors, C5707 near the connectors for the backlight. If none are defective, look for the PF751 FUSE. It sure to be busted.You can replace that with another 3A fuse. Remember, you should only replace the fuse if you are certain there are no busted transistors in the inverter board. Otherwise, you now have a refurbished Benq Monitor

Posted on Jan 07, 2008

  • 1 Answer

SOURCE: benq fp737s monitor failure

try resoldering the joints on c826 &c824 near the 4 yellow transformers in the power supply.
hope this helps

kevin numbnuts07

Posted on May 28, 2008

  • 1 Answer

SOURCE: BenQ FP731 17" LCD Monitor Problem

Had the compete dark screen problem. Green/amber power light was coming on and off as expected but no image would appear on the screen.

Found PF751 to be open.

Thnaks for the help people.

Posted on Oct 08, 2008

  • 1 Answer

SOURCE: Benq FP71G LCD Monitor - Can't keep POWER ON / Button Problem?

I had the same problem and found that Q808, Q809 and Q805 had failed and which if left long enough can also cause PF801 to fail. I also replaced all of the electrolytic capacitors during the rebuild as it was only a few dollars to do so.

Although in my case Q815, Q816 and Q812 were fine I suspect that they may also fail in time.

Here are the parts which should be available at most electronic stores or online.

Q808 & Q809 - 2SC5707
Q805 - IRFU9024N
PF801 - 3 AMP PICO FUSE

Posted on Jan 22, 2009

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1 Answer

Benq lcd fp0537s on for just 2 second


There are one or two capacitors in the power supply that open," leaving a slight puff at the top" in some cases.

Mar 16, 2012 | BenQ FP92W LCD Monitor

1 Answer

BenQ Q24W5 LCD monitor circuit diagram


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

Trying to purchase a power adaptor for benq fp781 can only find one compatable for fp 791 would this work on a fp 781 monitor ??


On the screen itself, where it plugs in, it should give you a voltage rating, and a line with a C encompassing a circle. Make sure that these two things match up between the two screens, they should, but at the same time, there is the possibility that they don't. Also, make sure the plug is the right size. Yes, it should work, but I would just take the extra precautions listed above to prevent frying your monitor.
I hope this helps!

May 04, 2011 | BenQ FP781 17 in. Flat Panel LCD Monitor

1 Answer

Hello,mi power supply from BenQ G2420HD 24 inch LCD Monitor is dead,i want order the new one,i need contakt with you,mi tel. num. is 0834375914,0834136011,i be waithing for your call,thanks!!!


I'm sorry, but I can't call you. The monitor uses the same power supply as most computers and can be picked up at your local computer store. Hope this helps =]

Mar 03, 2011 | BenQ G2420HD 24" LCD Monitor

1 Answer

I cant get correct resolution with windows 7 no apparent drivers of FP 222w under windows 7 (22 inch monitor)


You normally don't need any drivers for LCD monitors. The resolution should be 1440><900 or higher.

Samir

Feb 28, 2011 | BenQ FP222W LCD Monitor

1 Answer

Benq 567s lcd monitor does not power up. Switch led blinks but goes dead. Tried replacing capacitor 450v 82uf with 400v 100 uf but did not work. please help.


That cap is for the Primary power supply switching circuits. How is the DC secondary side, no blown fuse, shorted transistors in the inverter circuits? Pictures will help, budmrtn@aol.com
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
It may have the same bd as DELL since BenQ makes monitors for DELL and HP.

May 21, 2010 | BenQ FP71G 17" LCD Monitor

2 Answers

Power light on no screen shown


unplug from pc, turn on monitor. if there is a 'no signal' or any image displayed on the screen then the problem is not the monitor..

Nov 15, 2009 | BenQ FP737S-D 17" LCD Monitor

1 Answer

BenQ FP91G+ 19" LCD Monitor black screen


Possibly either the backlight lamp or its associated power supply has failed. Power buttons (mostly LEDs) have constant availability of low voltage (for some other circuits too) otherwise they wouldn't 'wake up' on command from a computer as some do.
The blackout could also be due to a failed main power supply so the incoming video is no longer being processed. 

Nov 01, 2008 | BenQ FP91G+ 19" LCD Monitor

2 Answers

Benq screen shuts down when pc is plugged in


If it's a 71g and not 71g+ resolder transistors 2sc5707 on invertor board along with grey condensers and inverter transformer.This should solve the problem if it was display shutting off with power led remaining on.Otherwise check power section.

Feb 24, 2008 | BenQ FP71G 17" LCD Monitor

1 Answer

BenQ lcb monitor


Monitor blanks out due to problems with internal power supply, have a quilified technician take a look at it, BenQ LCD monitors have 3 years warranty

Feb 11, 2007 | BenQ FP71E 17" LCD Monitor

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