Read LG 42LE5350 (CHASSIS:LA02D) Service Manual online
8. Trouble shooting - No video (FRC - M120Hz/TM240Hz)
Check input LVDS_Tx/Rx signals
Check the Power
(3.3V_MEMC/1.5V_MEMC/1.26V_MEMC )
Check 12Mz X-tal (X9000)
Is it ok?
Check HW option
( Mirror or Non mirror / LVDS or Mini_LVDS
/GIP or Non_GIP / Scanning or Non Scanning)
ok
ok
ok
No
No
ok
Correct HW option
Æ
Check FRC output data
Is it ok?
Replace the FRC
No
Check the serial Flash
Is it ok?
No
ok
Replace the serial Flash
Check the BCM3949
No
Replace the LVDS wafer
No
No
Check the DC-DC Converter
Replace the X-TAL
ok
Check LVDS wafer
Is it ok ?
ok
Check LVDS cable
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