Read LG 47LN549E / 47LP620H (CHASSIS:LB3AZ) Service Manual online
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4. Component Video
5. RGB Video (LN549E Only)
Make sure the input signal type and
our TV can support the signal.
Make sure the input signal type and
Our TV can support the signal.
Check Component cable(gender)
defect or status of conductor
Check the RGB cable defect or
status of conductor.
Make sure the LVDS output signal of
Mstar IC.
Check the DSUB_DET signal.
Check the LVDS output signal of
Mstar IC.
Make sure the JK1603, COMP Y/Pb/
Pr signal
Check the EDID, I2C signal.
Make sure the Rear_COMP_DET
signal.
Check the JK1104 H / V_Sync / R /
G / B signal.
Exchange the Mstar(IC101)
or Main board.
Exchange the resistor R1146 / R1147.
Exchange the Mstar(IC101) or Main
board.
Exchange Component Jack.
Download the EDID data, exchange
the Mstar(IC101) or Main board.
Exchange the R9912.
Exchange the D-SUB Jack.
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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