Read LG 32CS480 / 32LK330 / 32LK332 (CHASSIS:LB01M) Service Manual online
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9. Digital TV Audio
Check RF Cable & Signal.
Follow procedure
’8. All source audio’
trouble shooting guide.
ok
Check Tuner 3.3V Power
L3703.
Replace L3703.
Check Tuner 1.8V Power.
IC3703 2 pin : 1.8V
Check IF_P/N Signal
TU3700 10/11 Pin.
Replace IC3703.
ok
ok
ok
No
No
No
Bad Tuner. Replace T uner.
10. Analog TV Audio
Check RF Cable & Signal.
Follow procedure
’ 8. All source audio’
trouble shooting guide.
ok
Check Tuner 3.3V Power
L3703.
Replace L3703.
Check Tuner 1.8V Power
IC3703 2 pin : 1.8V.
Check CVBS Signal
TU3700 8 Pin.
Replace IC3703.
ok
ok
ok
No
No
No
Bad Tuner. Replace T uner.
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