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Hi,red light blinks two time , I change the power supply #TNHPA3570 but dont start,thank you for help me out.

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Hi,
I hope our talented expert would have given you correct and helpful info in chat session from related service manual, let me know if you need further help.
Thanks.

Posted on Sep 30, 2010

  • 2 more comments 
  • carmelo1393 Oct 05, 2010

    Not really...Im still with the problem and I have no idea how to contact him again.

  • Shahid Electronics
    Shahid Electronics Oct 05, 2010

    Click on My Profile link at top right of your profile page then click on My Problems link to view your chat session link, click it to post additional/ follow up questions until problem solved.
    Thanks.

  • carmelo1393 Oct 05, 2010

    Heyy... Thxx

  • Shahid Electronics
    Shahid Electronics Oct 05, 2010

    No problem, let me know if need further help. :)

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New to this site! Hope someone has an answer that can help... I have a LG 55 LCD flat screen model 55LD520-UA. Try to turn it on. Bottom light blinks red 3 times blinks blue once, then nothing.


Hi,
Try to change the capacitors first. Normally lost of lcd tv have problems with the capacitors and which lead to powers problems. May you will not find visually that the capacitor is fault. So go for changing the capacitor also check the following video. Which will help you understand how to check the power supply broad. Also take care while working with the power board there is a risk or electric shock Also one of the capacitor in the power supply holds charge even when you have remove the power supply.
Testing LCD TV Power Supply BoardsSTEP BY STEP

www.electro-medical.blogspot.com

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HI:
This is a plasma unit and philips plasma's are nortorious for bad power supplys, your problem may very well be the power suppy in the television, it is possible you blew a low B+ fuse on the power supply. There is also a issue with the Y-sustain board failing in this model, If you open the back and looking at the unit from the rear the y board is on the left side of the unit and the PS is in the center. disconnect the Y-sustain power plug from the power supply and turn on the unit if the unit stays on with no red light then the y board is bad. it does the same then replace the Power Supply.

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Hi,
In general when you have a blink of 4 times.
It indicates the Vertical deflection is stopped.
Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board)
Symptoms of the problem: TV has entered the standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.

To guide you in the right direction do provide details about your TV .

Hope this helps .

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