Question about BenQ FP737S-D 17" LCD Monitor

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White screen Hi u left a solution conserning my benq lcd with a white screen conserning capacitors as i hav checked all caps on power board and can see no swelling or leacking are there any particular caps i should be looking at thanks

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  • halek Sep 24, 2008

    H iv changed both caps and screens still showing white one improvment tho is when attached to my pc and turned on the screen stays on as if working but as i said still just white

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I believe they are two 1000uf 16 volt... there are two side by side and they are tall.

Robert

Posted on Sep 15, 2008

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TV is about 2 years old. I have sound but no picture


Tv now turn on have a flashes of picture a few sec. than dies have sound left only?Yes,take the tv aparts and check the tv power supply board,that the board where the power a/c cord plug into it.Check the power supply board carefully for dying and soon dead capacitors parts,these dying and soon dead capacitors parts are alway bulging up or puffing up on to it tops.Yes,than these capacitors parts must be replace,will solved this problems.If the tv power supply board it is good and have no dying and soon dead capacitors parts are bulging or puffing up on to it tops.Than the tv have those 2 long LCD inverter boards one on the right and one on the left are dead.These 2 long LCD inverter boards only job are to provide a backlight for the tv LCD screen panel to produce a picture.Must be replaced for the tv have a backlight for LCD screen panel to have a picture.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement or those 2 long LCD inverter boards for the replacement..

Jul 20, 2011 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

No power light and black screen; have tested with two 240v power sources. Is there an internal fuse or simple repair?...


Yes there is main AC fuse on the power supply/inverter board.
Here is the service manual: http://elektrotanya.com/?q=showresult&megnev=BenQ%20&megnev2=FP731&kategoria=monitor&kat2=all

Please leave rating if it helps.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Jan 27, 2011 | BenQ FP731 17" LCD Monitor

1 Answer

I have fp567s monitor\r\nit often goes silver while starting and it needs monitor off button to be pressed (sometimes twice/thrice) for windows / boot screen to come alive i have re-installed the driver...


The silver hwite/grey screen means that the LCD panel is not getting the signals, 5vdc from the logic board. Try reseating the connections between the logic board and the LCD panel first.
Also check the power supply caps.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series

Dec 13, 2010 | BenQ FP567s 15" LCD Monitor

1 Answer

Trouble with my BenQ monitor


You have LCD panel failing issue or it is not getting the proper voltage to the panel. Look at the power supply and logic board section first for failed caps (leaking/bulging tops). check ribbon cable between the logic bd and the LCD panel. If it is vertical stripes, the the T-CON board, part of LCD panel, then you will need new panel.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Service manuals: http://elektrotanya.com/?q=showresult&megnev=benq%20&megnev2=fp71g&kategoria=&kat2=all

May 14, 2010 | BenQ FP71G 17" LCD Monitor

1 Answer

Wont power onPressing power switch, blue light comes on, the BenQ logo briefly flashes then screen stays black


Power leak causing overload on the O/L sensor.

Probably a faulty capacitor on the power board

Sep 07, 2009 | BenQ FP71E 17" LCD Monitor

1 Answer

Hi my problem is with my LCD TV. I would like to rpair it,but can´t find the mistake. It has such symptoms: No picture but noice is ok. I think its in the plce were the power board is,but Im not sure....


First check the power supply board for some bad caps (capacitors) on the board. They will look bulged on the top an may be a little leaky (brownish stain).

If the screen is black and none responsive, it is probably the back light inverter. This illuminates the screen. you will see multiple wire plug into it, usually white/blue or white/pink wires.

Feb 28, 2009 | Televison & Video

2 Answers

White screen


dreaded capacitor issue. benq's were famous for it. if you are handy with disassembly and careful you can take it apart and do it yourself. look for any capacitors with rounded tops. i fixed one ... the part is only two dollars or so but it's a good feeling to know you fixed it instead of tossing it.

Robert

Aug 28, 2008 | BenQ FP737S-D 17" LCD Monitor

1 Answer

BenQ FP72E 17" LCD Monitor Problem


The video card driving the monitor or the video section of the monitor circuitry is getting bad, probably a capacitor on the board.
srich

May 23, 2008 | BenQ FP71E 17" LCD Monitor

6 Answers

Benq lcd Displays only white


Most often the all white screen is the result of a missing voltage to the LCD panel. We usually find an open fuse on the panel circuit board. Unfortunately replacing the fuse does not usually fix the problem.
Mike

Mar 02, 2008 | Computers & Internet

1 Answer

Benq fp737 17


How old are the monitors?
Normally backlights last at least 30,000hrs of working.
Normally problems on Inverter board transistors near yellow inverter transformers.
Samir

Nov 28, 2007 | BenQ FP731 17" LCD Monitor

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