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10. Analog TV Audio
Check RF Cable & Signal
ok
Check Tuner No.3 pin
(5V Power)
ok
Check Tuner No 14 pin
(3.3V Power)
ok
Check Tuner No 13 pin
(1.2V Power )
ok
Check Tuner No 9
(SIF)
ok
Check Q3709
ok
Replace the IC101 or main b;d
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Only for training and service purposes
No
Check IC406
No
Check IC405
No
Check IC3703
No
Bad Tuner. Replace Tuner.
No
Replace Q3709 TR
No
Replace IC406
ok
Replace Tuner
No
Replace IC405
ok
Replace Tuner
No
Replace IC3703
ok
Replace Tuner
LGE Internal Use Only
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