LG 49UF771V Service Manual page 84

Contents of Standard Repair Process Detail Technical Manual
No.
16
B. Power error_ No power
17
B. Power error_Off when on, off
18
while viewing
19
C. Audio error_ No audio/Normal
video
20
21
D. Function error
22
23
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Only for training and service purposes
Error symptom Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
POWER OFF MODE checking method
Checking method in menu when there is
no audio
Voltage and speaker checking method
when there is no audio
Remote control operation checking
method
Motion Remote operation checking
method
Wifi operation checking method
Continued from previous page
Page Remarks
A17
A18
A19
A20
A21
A22
A23
A24
LGE Internal Use Only