LG OK75 - Electrical Troubleshooting: Tuner Function Check

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ELECTRICAL TROUBLESHOOTING GUIDE
7. TUNER FUNCTION CHECK
TUNER FUNCTION CHECK
Check tuner data line R & C.Check IC301 Pin27, 28.
Check tuner IC(IC302)
voltage (Pin11:AVCC_3.3V).
Check tuner IC302 operation.
NO
NO
YES
YES
YES
Refer to function check.