Tuner Function Check - LG DM5360K Service Manual

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ELECTRICAL TROUBLESHOOTING GUIDE

7. TUNER FUNCTION CHECK

TUNER FUNCTION
Check IC401 pin11: +3.3 V.
Check IC401 pin8(SDA), pin7(SCL).
Refer to function check.
YES
NO
YES
NO
YES
Check FB403 Input voltage(5.1 V).
3-22
YES
Replace FB403.
IC100 output data.
YES
OK

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