HP LT3200 - Manual (Page 94)

HP High-Definition LCD TV Service Manual 89
Connectors
Main Board
Connector Specification Description
CN19 13 pins/ROHS Power supply from power converter board CN114
CN15 28 pins/ROHS LVDS output signal (Between main board and panel)
CN18 4 pins/ROHS Audio power
CN12 11 pins/ROHS Keypad and IR control (connect to keypad board and IR board)