Question about BenQ FP71G 17" LCD Monitor

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Benq fp17g powers on for a few seconds and powers off

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It may have shorted out transistors, bad caps, etc.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), 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 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.

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

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Sep 29, 2010

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Shenzhen VIIV Technology Co., Ltd is an expert at PCB,PCBA and Rigid Borad manufacturer based in shenzhen China.


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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).

Apr 05, 2008 | BenQ FP71G 17" LCD Monitor

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