LG 50UL3G Service Manual page 30

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
14 B. Power error_No power
B. Power error_Off when on, off while
15
viewing
16 C. Audio error_No audio/Normal video
D. Function error_ No response in remote
17
control, key error
Content
Check power input voltage and ST-BY 7.8V
POWER OFF MODE checking method
Voltage and speaker checking method when
there is no audio
Remote control operation checking method
Continued from previous page
Page Remarks
A9 – A14
A15
A16
A17-A18
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