Question about BenQ T701 TFT 17" LCD Monitor

2 Answers

Monitor have power going on my monitor. the green led is on but nothing appears on the monitor, no flickers nothng at all even I tried to see wheater there is a problem with the screen light but nmothing at all. The monitor is receiving signal cause when I switch off computer the power LED will chnage its status to orange

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  • Anonymous Apr 16, 2008

    Yep same symptoms. Guess it has built in obsoletion.

  • ratzfatz May 24, 2008

    have power going on my monitor. the green led is on but nothing appears
    on the monitor, no flickers nothing at all even I tried to see wheater
    there is a problem with the screen light but nothing at all. The
    monitor is receiving signal cause when I switch off computer the power
    LED will change its status to orange

  • jumbo123123 Jun 09, 2008

    same issue please provide the solution

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See this post
http://www.fixya.com/support/t155971-benq_t701_lcd_monitor

Posted on Dec 16, 2007

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  • Master
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Hi Abadir, It really sounds like your back light has bit the dust. I can't always see stuff on the LCDwhen the back light is out. Check in with LCDrepair.net for parts, and repair of your monitor. I truly hope this helps. Good luck.

Posted on Oct 10, 2007

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Posted on Jan 02, 2017

djnupi
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SOURCE: Power ok but No Display

see this one
http://www.fixya.com/support/t155971-benq_t701_lcd_monitor

Posted on Dec 12, 2007

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see this one
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6 Answers

Blinking Light


+++++++++++++++++++++++++++++++++++++++++++
This is the same problem with my 4 VG800 Monitors, you should be able to find the correct capacitor on your monitors by following the same procedure, I'm sure the boards are similar. Just get the correct value capacitor and try it in parallel with the initial filter capacitors right after the DC power in.
+++++++++++++++++++++++++++++++++++++++++++

Alright, I had 4 VG800 monitors with the exact same problem. The front led is blinky OR constant reddish/orangish OR picture is white with colored vertical lines OR no picture with whistling from the back of the monitor and backlights illuminated. All problems have the same solution. You need to disassemble the monitor (2 screws on the back, remove lower front button panel, remove 2 screws holding panel in and remove speakers, then remove panel and unplug speakers. Now remove lots of tape and screws from the cover in the center of the monitor). Now that you've exposed the amplifier board and the VGA to LVDS board, you want to look for the pair of 25V 100microfarad capacitors that are nearby the DC power in (they are right next to the black "100" inductor). Desolder the capacitor farthest from the DC jack and replace with an electrolytic with the same specifications. If you want to check that this is the correct solution please put the new capacitor (WATCH THE POLARITY) in parallel with the capacitor there want watch the front panel indicator go green and the monitor work properly.

I'll be posting and Instructable entry in the next few days on the process, watch for the username Waterppk on the website www.instructables.com

-Chris

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