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68 HP High-Definition LCD TV Service Manual
5 Remove the flat ribbon cables from the connectors on the main TV chassis.
6 Lift the board from the unit.
Note: When replacing the control board cover, place the lip on the back of the cover into the slot on the main bracket,
and then rotate the cover down into place.
LT4700 Control Board Removal
1 Disconnect the front LVDS cable by pressing in on the spring-loaded latches on each side of the cable connector, and
then pulling the cable from the connector.
2 Remove the six screws that secure the control board cover to the unit.
3 Lift the cover from the unit.
4 Disconnect the four flat ribbon cables from the ZIF connectors at the top of the control board by flipping up the dark
part of the connector and sliding the cable out of the socket.
5 Remove the flat ribbon cables from the connectors on the main TV chassis.
6 Lift the board from the unit.
Note: When replacing the cover, place the lip on the back of the cover into the slot on the main bracket, and then
rotate the cover down into place.
Note: To replace the board on the 47-inch model, replace one screw into the middle hole toward the top of the board,
reconnect the flat ribbon cables, and then replace the remaining screws.