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Benq G700AD LCD Monitor Repaired With No Power Symptom

By on August 16, 2013
lcdmonitorrepairings

This LCD monitor was brought to me with no power. As I opened the back cover I discovered that the power IC was fully burnt and the part number can’t be seen. I have tried to look for information on this part number but in vain.

lcdmonitorrepair

lcdmonitorrepairs

Jestine sir suggested to me to use TOP245YN.  The power IC was replaced and all corresponding components were found to be good. When I powered on the monitor the power LED blinks. Rechecking the board found several dry joints. Finally the LCD Monitor is alive again after done the resoldering work.

lcdmonitorrepairing

This article was prepared for you by Narayan Sharma-Computer Care, Guwahati (Assam) India. Please give a support by clicking  on the social buttons below. Your feedback on the post is welcome. Please leave it in the comments.

By the way if you have any good repair article that you want me to publish in this blog please do contact me HERE.

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6 Comments

  1. beh

    August 17, 2013 at 5:53 am

    HI NARAYAN

    thanks for this repair by doing this you one time more helped the resources of the mother earth and not sending this lcd to junkyard and income for family
    beh

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    • Narayan

      August 17, 2013 at 12:32 pm

      thank you beh

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  2. Kiran

    August 25, 2013 at 12:54 pm

    Hi sir
    I have a 21" flat crt tv. Iam handy in repairing works. The vertical and horizontal coil of yoke gets short. So i replace a new yoke and now there is one bright horizontal line on the screen. I replace all capacitors in vertical section even the vertical IC 7840. But horizontal line is not gone. So i replace the chroma IC R2J10172HA-A97FP. when i replace the ic the height of the picture is too much less. I have done factory settings using remote to increase picture size. But still no result. Plz help

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    • Jestine Yong

      August 25, 2013 at 8:22 pm

      H Kiran,

      Did you replace with the same crt tube or not because all vertical and horizontal yoke coil has it own value.

      Jestine

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  3. Karan

    September 28, 2017 at 12:09 pm

    Thanks it worked me. Top645.

    Likes(0)Dislikes(0)
    • Karan

      September 28, 2017 at 12:10 pm

      Sorry TOP245

      Likes(0)Dislikes(0)

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