Trouble Shooting - No Video (Frc - M120Hz/Tm240Hz) - LG 42LE5400 Service Manual

8. Trouble shooting - No video (FRC - M120Hz/TM240Hz)

Check input LVDS_Tx/Rx signals
ok
Check the Power
(3.3V_MEMC/1.5V_MEMC/1.26V_MEMC )
ok
Check 12Mz X-tal (X9000)
Is it ok?
ok
Check HW option
( Mirror or Non mirror / LVDS or Mini_LVDS
/GIP or Non_GIP / Scanning or Non Scanning)
ok
Check the serial Flash
Is it ok?
ok
Check FRC output data
Is it ok?
ok
Check LVDS wafer
Is it ok ?
ok
Check LVDS cable
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Only for training and service purposes
No
Check the BCM3949
No
Check the DC-DC Converter
No
Replace the X-TAL
No
Correct HW option
No
Replace the serial Flash
No
Replace the FRC
No
Replace the LVDS wafer
LGE Internal Use Only