LG 86SJ9570 Service Manual page 40

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
13
B. Power error_ No power
14
B. Power error_Off when on, off
15
while viewing
16
C. Audio error_ No audio/Normal
video
17
18
D. Function error
19
20
A. Video error_ No video/Normal
21
audio
22 How to use JIG
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
How to use the Service remote control
Check items after Main B/D replacement
Adjustment Test pattern – ADJ Key
Power B/D Diganostic Smart Jig Multi Gender
Continued from previous page
Page Remarks
A17
A18
A19
A20
A21
A22-A23
A24-A26
A27
A28
A29
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