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Need help with logic board testing on insignia tv

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    Need help with logic board testing on insignia tv

    ok Ive tested every board x and y connected no clicks
    disconnect x and y boards connecting the main board and the logic board click starts . Disconnect logic board with only main connected clicking stops
    So with all these test is it fair to say its the logic board

    having issues with this board once its connected I get the 5 click issues and red power light blinks .
    Service manual says this is testing procedure for the Insignia NS-42P650A11 Im having technical issues . I read somewhere that logic controls the main and power so if logic fails the signal wont reach the power board after the main .
    Last edited by Packard93; 07-25-2019, 10:20 AM. Reason: adding infomation to help give more insight to repairs

    #2
    Re: Need help with logic board testing on insignia tv

    You will get a lot more help if you provide the Model number, and good clear pictures and details of what you had test so far, I.E. Voltage readings, resistance testing, etc.
    Right now we have no idea what we are dealing with.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

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      #3
      Re: Need help with logic board testing on insignia tv

      Not working on lcd panel this plasma.Insignia NS-42P650A11 i see a standby voltage 5.3 volts between main and smps. logic board connected is when I get a series of 5 clicks then after the clicking stops I get solid red light . From what I read this means the power supply is working .
      Last edited by Packard93; 07-26-2019, 03:11 PM.

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