Read LG 19LE5300 (CHASSIS:LA01A) Service Manual online
10. Analog TV Audio
Check RF Cable & Signal
Follow procedure
‘8. All source audio’
trouble shooting guide.
ok
Check Tuner 3.3V Power
L5003
Replace L5003
Check Tuner 1.2V Power
IC5001 2 pin : 1.2V
Check CVBS Signal
TU5001 11 Pin
Replace IC5001.
Check Tuner 5V Power
L5002
Check IC401
ok
ok
ok
ok
No
No
No
No
Replace IC7511
No
Bad Tuner. Replace Tuner.
Replace L5002
ok
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