LG 47LB5DF - Page 27

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Check Antenna Cable
Check Tuner(TU600), 5V, IF out
Check LGDT3303(IC604) inputs
power pins, Osc(25Mhz), IF pin
Check LGDT3303 Outputs
3._ Check X260 Input (CLK, SOP, Valid, Error, Data)
Check X260 INPUT CLK, SOP,
Valid, Error, Data