C. Audio error
No audio/ Normal video
Established
date
Revised date
8/16
LCD TV
Error
symptom
Standard Repair Process
2013.01.31
No audio/ Normal video
Revised date
8/16
No audio
Screen normal
Check user
menu >
Speaker off
Off
N
Check audio B+ 24
of Power Board
Normal
voltage
Y
☞
A20
☞
A21+A18
Speaker off
Y
Cancel OFF
N
Replace Power Board and repair parts
Check
Speaker
N
Replace MAIN Board
End
Disconnection
disconnection
Y
Replace Speaker
8
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Summary of Contents for 55EA8800
Page 51: ......
Page 56: ...H13 Block diagram ...
Page 62: ...Interconnection 1 55EA9800 PCBs 1 Main PCB 2 PSU 1 2 3 WIFI ASSY ...
Page 90: ...Appendix Exchange the Module 1 수직 비내림 Line Dim Brightness difference ...
Page 91: ...Appendix Exchange the Module 2 Angle view Color difference Brightness dot noise Half dead ...