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simple ir receiver question?

Discussion in 'General Electronics Discussion' started by akropaul, Jan 2, 2013.

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  1. akropaul


    Jan 2, 2013
    I pulled the ir tsop out of a satelite receiver and need to know which pin is what.
    Pin 1 goes to the positive end of a capacitor,pin 2 goes to what I believe is a transistor or resistor,pin 3 looks like ground to me.
    I think that pin1 would be power,pin2 is in/out.Am I correct.Any help would be great.
    Thanks in advance.
  2. davenn

    davenn Moderator

    Sep 5, 2009
    hi there
    welcome to the forums :)

    sounds feasible without knowing the part number to search for a datasheet

    where else does that positive end of the capacitor go to ? can you trace it back to a say 5V power rail?
    can you measure between there and gnd and see a fixed DC voltage ?

  3. akropaul


    Jan 2, 2013
    I figured it out.I plugged the receiver in and used my volt meter to
    check for current.My guess was correct on pinouts.
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