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