Troubleshooting - Samsung LE37A65*A Service Manual

4. Troubleshooting

4-1. Troubleshooting
1. Check the various cable connections first.
• Check to see if there is a burnt or damaged cable.
• Check to see if there is a disconnected or loose cable connection.
• Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Main Board.
3. Check the Power input to the FRC(Frame Rate Conversion) Board.
Check internal Pattern both of FRC and FBE3 if there is some picture noise.
FRC: Factory mode(Info - MENU - MUTE - power on) -> Advanced Menu -> Option Block -> FRCM ->
TP After DDR Press right button of Remocon.
FBE3: Factory mode(Info - MENU - MUTE - power on_ -> Advanced Menu -> Option Block -> FBE3 -> Patt-Sel ->
Press right button of Remocon.
Case1: FBE3 ok,FRC NG: change the FRC Board Case2: FBE3 NG: change the main Board
Check the LED lamp for source button on front
If this LED blank 100mS frequently then FRC board is defective(communication problem via Main board)
in this case change the FRC board
4. Troubleshooting
4-1