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Contents of Standard Repair Process Detail Technical Manual

No. Error symptom Content Page Remarks

B. Power error_ No power

Check front display LED A8

9 Check power input Voltage & Main ST-BY 3.5V A9

B. Power error_Off

(when on/off, while viewing)

POWER OFF MODE checking method A10

C. Audio error_ No audio/Normal

video

Checking method in menu when there is no audio A11

Voltage and speaker checking method when there is

no audio

A12

D. Function error

Remote control operation checking method A13

14 Motion Remote operation checking method A14

15 Check Voice Recognition Function activation A15

E. Etc

How to use the Service remote control A18-A20

17 Check items after Main B/D replacement A21

Continued from previous page

Only for training and service purposes.

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LG OLED55C3 Series Specifications

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