id which pins to connect to on 4 pin power for initial DTV-172

[cardoctotlv31]

      hello thank you for the great info you all have here! hopeing someone can help me with connecting power to a initial model  DTV-172, 17" Flat Panel  LCD TV Monitor ? the power conector on it is a 4 pin din plug does anybody no which one's are positive and negative voltage ? i no it takes 12v dc 60 watt just pins not sure about? thanks ahead !

              cardoctorlv31!