LG 60LN549E Service Manual page 20

2. Digital TV Video
Check the Stand-by Voltage
P401 3, 5pin : +3.5V_ST
Yes
Check the Tuner 3.3V
; L2606
Yes
Check the Tuner 1.8V.
IC2603 2pin : 1.8V
Yes
Check the IF_P/N signal
TU2601~3 10/11pin
Yes
Check the LVDS output signal of
Mstar IC.
3. Analog TV Video
Check the RF cable and RF signal.
Yes
Check the Tuner 3.3V
; L2606
Yes
Check the Tuner 1.8V.
IC2603 2pin : 1.8V
Yes
Check the CVBS signal
TU2601~3 8pin
Yes
Check the LVDS output signal of
Mstar IC.
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Only for training and service purposes
No
Exchange the L2606.
No
Exchange the IC2603.
No
Exchange the Tuner.
No
Exchange the Mstar(IC101)
or Main board.
No
Exchange the L2606.
No
Exchange the IC2603.
No
Exchange the Tuner.
No
Exchange the Mstar(IC101)
or Main board.
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LGE Internal Use Only