LG 65SK9000PUA Service Manual page 48

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
10
B. Power error_ No power
11
12 B. Power error_ No power
B. Power error_ Off when on, off while
13
viewing
14
C. Audio error_ No audio/Normal video
15
16
D. Function error
17
18
19
E. Etc
20
21
Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
Check power LED indicator
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 / Wifi operation checking
method
How to use the Service remote control
After changing Main Board, Checking list
Operation Test Pattern – ADJ
How to use JIG
(Power B/D Diagnostic Smart Jig Multi Gender)
Continued from previous page
Page Remarks
A8
A9
A10
A11
A12
A13
A14
A15
A16 ~
A18
A19
A20
A21
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.