3-23
Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
ELECTRICAL TROUBLESHOOTING GUIDE
6. 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.
To Next Page
Loading...
