Question about BenQ G900WAD LCD Monitor

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Hello, Small question i noticed that the light/dark colors is not quite as it shoud be. I tried already to adjust the brightnes and the other options i haver in windows but still its either to dark or to white in some parts. I don't have the driver installed yet, -it's only the default Plug and Play monitor driver from windows. Can this be the cause or is this coming from the video card? Any sugestion would help, thanks in advance, V Sabin

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: BENQ FP731s Monitor Problem white blank screen

BenQ brand new high-voltage wire circle
BenQ LCD Controls circle / BenQ LCD accessories more high success rate, and easy maintenance, fault lower again!

Name : BenQ LCD
Name : LCD Controls circle
Model : specifications : 1J.26048.011

BenQ LCD accessories four small mouth lights of the high-pressure reverse pressure plate used for high temperature must Taiwan curbs are enameled wire system. With a small noise, power, brightness control in high-efficiency low-loss. Rapid cooling loop can be designed according to customer-specific products.
2 features the use of high-precision inverter line Rao, insulation and can be a long time. 3 to 1. Electricity use light line measurement of high-frequency currents. 2. Backlight voltage output of a sinusoidal waveform. 3. The backlight brightness and the same as the original high-pressure plate. 4. 1-2 4.1 filament output AC exchange through the export of Maintenance and Spec - CN5 link to the. 5 and storage temperature and Temperature temperature ranges : -5 -- 50 ℃ work humidity range : 10% -- 95% RH the backlight should be within the scope of the above, the following conditions can store 40,000 hours. Operating temperature : -10 -- 80 ℃ work Humidity : 20% -- 95 % RH

BenQ LCD maintenance information


1 : BenQ LCD can switch planes normal (no signal light yellow, green signal), Looking carefully at the screen whether there are changes, they generally do not carefully read the screen can not see a change, oh, look at carefully Matata. Change or switch to a normal plane, the main board intact, such a high-pressure situation on board is no work, no lights lit backlight.
2 : disassemble machines, starting with high-pressure plate (box 220V piece of the plate), a screwdriver button open, not lazy. Power board and put the Main Board are removed, this is a good Off Power Plate,
3 : Measurement C5707, FQU11P06 (Some of the machines are used FU9024), whether the damage (breakdown) If the damage (breakdown), he seemed to see the appearance .22/160V capacitance whether deformation, If deformation replace, if not capacitance deformation on regardless.
4 : damage to the replacement of the device, if the fear of electricity burned again, you can Controls circle together too, In order to save costs if you should not start for high-voltage wire circle -- testing, If the damage C5707 meeting on the need to replace the high-voltage wire coils (most of the damage to the C5707 is Controls 72.9% Circle aroused),
5 : measurement of high voltage power supply board whether short circuit, without short-circuiting I would be grateful if insurance (PF801) new ones (General C5707 damage, insurance will certainly damage), If you do not have insurance you connect with fine copper wire, this 3-A insurance. Please stop the PF801 power-measurement, measurement inaccurate.

Understand how maintenance of electronic maintenance steps friends

1 : BenQ LCD can switch planes normal (no signal light yellow, green signal), Looking carefully at the screen whether there are changes, they generally do not carefully read the screen can not see a change, oh, look at carefully Matata. Change or switch to a normal plane, the main board intact, such a high-pressure situation on board is no work, no lights lit backlight.
2 : disassemble machines, starting with high-pressure plate (box 220V piece of the plate), a screwdriver button open, not lazy. Power board and put the Main Board are removed, this is a good power to remove board.
3 : replacement C5707 4 (Q809, Q808, loops, Q815) four high-voltage wire coils (T001, T002, T003, T004). 2 FQU11P06 or FU9024 (Qingdao, Q805). PF801 Insurance (insurance for the three A).

Posted on Dec 27, 2007

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  • 1 Answer

SOURCE: benq computer monitor shuts down after standby in energy saving..

There are 6 (reduced quality) capacitors in the BenQ Q9W5 which cause the screen over time to 'fail to sync' when turning on or resuming from standby.

They are;
4x 470uF 35v, and
2x 1000uF 16v.

I recommend the following replacements if you are in Australia (the ones I purchased from Jaycar only lasted 12 months);
(470uF) http://www.altronics.com.au/index.asp?area=item&id=R4865
(1000uF) http://www.altronics.com.au/index.asp?area=item&id=R5182

Posted on Aug 05, 2010

2pagescouk
  • 325 Answers

SOURCE: i have LCD monitor screen & windows xp as

may not be THE solution, but try turning your refresh rate in you video settings down to 60hz
to do this right click somewhere on the screen desktop
left click properties click settings tab click advanced click monitor tab there should be a screen refresh rate dropbox
select 60hz then apply

Posted on Mar 20, 2011

  • 160 Answers

SOURCE: ~Hello! My monitor dispays picture, but

Hey, have you bene able to try another monitor and see if its the same thing?

Check andmake sure that all of your cables are tight and secure. If they are then you probably have a bad video card. they are fairly easy to replace:


Posted on Jul 15, 2011

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Hi the screen on my 176c is so dark it can barely be read. I have to turn the light on to see whats going on.Is there any way to restore it to its former glory cheers ......john wainwright. ...


John, the light sensitive IC has failed. This is a small piece of electronic wizardry that adjusts the brightnessdepending on the ambient light. At night is is supposed to add brightnes and in sunlight reduce it

The sign of failure may have been early but you didint notice it. They often turn on ok then suddenly in daylight the screen will darken, turning the unit off and on resets it for a while. however it gets worse as time goes on.. iT is not a DIY and has to be sent back to the manufacturer for correction.

Contact Garmin for a quote before submitting it for repair, you might need a chair to sit on when they give you an answer. Contact the service support in 7 hills NSW 1 800 235 822

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