LG 26LC2R - CONNECTIONS & SETUP; EXTERNAL STEREO

6. Display the screen abnormally
(1) Symptom
1) Display the screen abnormally at specific mode
(2) Check process
1) Noise appears at RF mode.
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Are input voltage, I2C,
and CVBS output good?
No
No
Is the Tuner part good?
Is the Tuner cable
connected well?
Insert the cable exactly
Add the Gasket
No
Exchange the Tuner
Re-assemble the SETIs Gaskets added well?
Yes
No No
Yes