Question about BenQ FP731 17" LCD Monitor
My BenQ monitor has a black screen. The power light goes on, but nothing else!
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
Hi, after changing the transistors, you got too check the four transformers legs for cold joints. If not the new trans: blow out again.
let me know.
Posted on Sep 19, 2008
I tested this camera for a client. I didn’t have the light running for more than 15 minutes. The battery lasted approximately 6 hours before recharging. The LCD, however, had a few dead pixels - never saw this before. Tried returning for exchange and had to put up quite a fight. Anyone else seen this? http://www.batteryfast.com
Posted on May 28, 2008
Spot on! I has a FP737s-D. Q758 had blown. On top it looked like a black texta mark, but on closer inspection that transistor had a mico hole where the plastic had blown out. Underneath, was a dry joint. Benq are nice, in that the shade of green was darker, indicating heat. As Both transistors are a pair, replaced both. Lightening strike did the damage.
Posted on May 11, 2008
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
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Posted on Jan 02, 2017
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