No audio
Screen normal
Check user
menu >
Speaker off Off N
Y
Cancel OFF
Check audio B+
20V or 24V of
Power Board
Normal
voltage
Y
N
Replace Power Board and repair parts
Check
Speaker
disconnection
N
Y
Replace Speaker
Replace MAIN Board End

C. Audio error

No audio/ Normal v ideo

A24 A25

Disconnection
Established

date

Revis ed date 8/13

LCD TV Error
symptom
Standard Repair Process

8

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