LG 60LN549E Service Manual page 24

8. TV Audio
Check the RF cable of RF signal
Check the voltage of Tuner 3.3V : L2606
Check the voltage of Tuner 1.8V
IC2603 2pin : 1.8V
Check the IF_P/N signal TU2601~3
10/11pin
Implement the "8. Audio of all input"
of Malfunction guide.
9. AUDIO IN (Component/DVI Audio) (PC Audio:LN549E Only)
Check the cable is defective.
Check the signal of JK1102.
Implement the "8. Audio of all input" of
Malfunction guide.
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Only for training and service purposes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Menu toggle
Exchange the L2606.
Exchange the IC2603.
Exchange the Tuner.
Exchange AUDIO IN Jack.
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