LG 65UT640S0UA Service Manual page 39

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
14
B. Power error_ No power
15
B. Power error_Off when on, off while
16
viewing
17
C. Audio error_ No audio/Normal video
18
19 D. Function error
20 E. Commercial Function error
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
IR OUT Error
Continued from previous page
Page Remarks
A17
A18
A19
A20
A21
A22
A23
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