LG M2762DP-EML - No OSD Troubleshooting

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2. No OSD Trouble Shooting
Check P30 0
#8(TXEC+) , #9(TXEC-) ,
#20(TXOC+) , #21(TXOC-)
IC101 has problem
Check L VDS Cable for damage or open
con ductors .
Check L CD Module
Control board
(Refer to Module CAS)
Y
N
Y
Replace Ca ble
N
Y
1. Check Po wer Board , 15V
2. Check IC707 Output Voltage(5V)
3. Check P300(#1,2 ,3) 5V
1. Replace Pow er Board
2. Replace IC707
3. Replace Q300
N
Check P700(#9) INV_ON
High(3.3V)?
Check GPIO Path
(Refer to Appe ndix 1 .)
N
Y