LG 26LC2R Service Manual - Page 26

Display the screen abnormally - specification

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6. Display the screen abnormally (1) Symptom 1) Display the screen abnormally at specific mode (2) Check process 1) Noise appears at RF mode. No Is the Tuner part good? Is the Tuner cable connected well? No Yes Are input voltage, I2C, and CVBS output good? No Yes Insert the cable exactly Exchange the Tuner No Is Gaskets added well? Add the Gasket No Re-assemble the SET - 26 -

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6. Display the screen abnormally
(1) Symptom
1) Display the screen abnormally at specific mode
(2) Check process
1) Noise appears at RF mode.
- 26 -
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 SET
Is Gaskets added well?
Yes
No
No
Yes