LG 42LG30R-MA - Troubleshooting: Display Issues (RF Mode); RF Mode Unusual Display Check Process

Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 17 -
LGE Internal Use Only
1) Check process
3. Unusual display from RF mode.
No Yes
Yes
No
No
Is Video output of the
Tuner normal?
(Check TU500_Pin13)
Is the
Input voltage normal?
(Check Pin3)
Block A
Is the I2C communication normal?
(Check Pin9, Pin10)
No
Yes
Is the LVDS
cable connected well?
Change the IC(IC801)
Check the power
Cable inserts well
Check the Tuner