Question about BenQ FP767-v2 - 17" LCD Monitor

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My benq lcd fp767 have power but no display,,,i want have a troubleshooting guide about the lcd,,,pls help me

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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.

Posted on Oct 03, 2010

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1 Answer

My BenQ FP767 monitor power is on, but the screen is black. my pc is very good.


open back cover of your monitor then adjust the screen control of the flyback to your desired brightness

Joel

Apr 20, 2013 | BenQ FP767 17" LCD Monitor

1 Answer

High pitched noise comming from monitor


That can be from the inverter circuits, or power supply, or lamps are arcing.
Check the caps first for leaking/bulging tops or bottom seals.

Basic LCD monitor and LCD 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

Failed TV, Monitors, Caps : http://s807.photobucket.com/home/budm/allalbums

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitor kits: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find

Nov 14, 2010 | BenQ FP767-12 17" LCD Monitor

1 Answer

When I switch on my FP767 monitor the light appears as blue, but nothing on the screen.


Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed DELL (BenQ makes Dell MONITORS) monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 21, 2010 | BenQ FP767 17" LCD Monitor

3 Answers

BenQ FP767 17" Problem: Monitor wont turn on


Check four 5707, two 9204, and one bel 3A slow blow fuse. Also re-solder all cap and transformer.It's quiet common on benq and Dell(benq OEM) 17 LCD. For detail google "benq 5707", sure you can found. Good luck

Jul 07, 2008 | BenQ FP767 17" LCD Monitor

1 Answer

How to get audio from a benq fp767 lcd monitor


You have to plug the audio wire from the monitor into your speaker jack on your computer.

Jun 13, 2008 | BenQ FP767 17" LCD Monitor

1 Answer

BenQ FP767 17" LCD Monitor Problem


IT seems you are not technically trained in electronics.In this case it's difficult to explain via this board,Best you find someone to fix it for you,you can try contacting Benq Support locally.
Sorry for not being able to help.
Samir

Jun 07, 2008 | BenQ FP767 17" LCD Monitor

1 Answer

BenQ FP767 17" LCD Monitor Problem - Power LED Blinks


Look for small power transistors 2SC5707 near yellow invertor transformers which go to backlight connectors.
But if problem is blinking power LED powersupply capacitors maybe an issue,check visualy and/or replacement.
Also fuse that maybe blown is not glass fuse near mains socket,It is semiconductor black or yellow colour labeled PFxxx near heatsinks of power supply secondary.

Please rate the solution and provide feedback.

Samir

May 25, 2008 | BenQ FP767 17" LCD Monitor

1 Answer

Display


Problem is with invertor board.You need to open the monitor and check Invertor transistors 2sc5707.Test all 4 transistors and replace defective,also check /resolder associated circuitry.Also check fuse with PFxxx circuit reference no.
Samir

May 11, 2008 | BenQ FP767 17" LCD Monitor

1 Answer

BenQ FP767 17" Power but no display?


Different faults here.
First fault is no power, it is bad capacitors on the power board.

Second & third faults are the inverters. (power but no image visible, but feint if you shine a light into the screen)
Check the 4 transistors on the main power board for shorts.

If you are unsure what that means, then take it to your local TV technician, he should be able to solve it fairly cheaply.

Hope that helps.

Oct 11, 2006 | BenQ FP767 17" LCD Monitor

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