LG 43LF510A Service Manual page 42

Contents of Standard Repair Process Detail Technical Manual
* First of all, Check whether there is SVC Bulletin in GCSC System for these model.
No. Error symptom
19
20
B. Power error_No power
21
22
B. Power error_Off when on, off while
23
viewing
24 C. Audio error_No audio/Normal video
D. Function error_ No response in remote
25
control, key error
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Only for training and service purposes
Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
Checking method when power is ON
POWER BOARD voltage measuring method
POWER OFF MODE checking method
Checking method in menu when there is no audio
Remote control operation checking method
Page Remarks
A11
A12
A13
A4
A14
A15
A17
LGE Internal Use Only