Question about Gateway FPD2185W 21 in. LCD Television

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The display goes off after few secs; the blue light is stil ON

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  • Gateway Master
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Tv picture dies few sec.still have sound?Yes,than the long board call the LCD inverter board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.

Posted on Aug 24, 2010

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  • Master
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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.
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 Aug 25, 2010

  • vraghavan602 Sep 06, 2010

    I chnaged all the 8- 470 uF capacitor; still no picture; please suggest alternate solution.

  • Bud Martin
    Bud Martin Sep 06, 2010

    After changing the caps, do you still have steady 18vdc feeding the inverter circuits? There is possibility that when thecaps went bad, they may have taken out the IC/MOSFET in the inverter circuits, you can also have bad lamp assemblies (You will need a set of lamp to test the inverter to find out if you have lamp or inverter circuits problem).

    I have lamp tester and test lamps for narrowing down the problem.

    You can see example here: www.lcdparts.net

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Posted on Jan 02, 2017

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