4-1
4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
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.
Check the power input to the Main Board.
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(MUTE - BUTTON 1 - BUTTON 8 - BUTTON 2 - Power on) -> FRCM -> TP After DDR Press right
button of Remocon.
FBE3: Factory mode(MUTE - BUTTON 1 - BUTTON 8 - BUTTON 2 - Power on) -> FBE -> 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.
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Содержание LN52B750U1M
Страница 7: ...1 4 1 Precautions Memo ...
Страница 31: ...4 4 4 Troubleshooting WAVEFORMS 1 R G B Output Signal PC_R Signal PC_G Signal PC_B Signal ...
Страница 33: ...4 6 4 Troubleshooting WAVEFORMS 1 Signal of HDMI Data 2 Digital Output Data ...
Страница 37: ...4 10 4 Troubleshooting WAVEFORMS 1 AV_CVBS Output Signal ...
Страница 39: ...4 12 4 Troubleshooting WAVEFORMS 1 I2C Data 3 Speaker out ...
Страница 66: ...4 39 4 Troubleshooting 5 Press 0 6 Save latest BSP images to update folder in usb memory ...
Страница 67: ...4 40 4 Troubleshooting 7 Enter bbm usb after connecting usb memory 8 Press 1 ...
Страница 68: ...4 41 4 Troubleshooting 9 Enter u boot bin 10 Press x to return prompt menu ...
Страница 359: ...6 5 6 Wiring Diagram 6 2 Wiring Picture ...