10. Analog TV Audio
Check RF Cable & Signal
Check Tuner No 14 pin
(3.3V Power)
Check Tuner No 13 pin
(1.2V Power )
Check Tuner No 9
(SIF)
Check Tuner No.3 pin
(5V Power)
Check IC406
Check Q3709
Replace Q3709 TR
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC406
No
Bad Tuner. Replace Tuner.
Replace Tuner
ok
Check IC405
Replace IC405
No
Replace Tuner
ok
Check IC3703
Replace IC3703
No
Replace Tuner
ok
Replace the IC101 or main b;d
ok
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Summary of Contents for 42LV3500
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