LG 55SM5KD Service Manual page 27

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom
14
B. Power error_No power
15
B. Power error_Off when on, off while
16
viewing
17 C. Audio error_No audio/Normal video
D. Function error_ No response in remote
18
control, key error
Content
Check power input Voltage & ST-BY 3.5V
Checking method when power is ON
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
A10
A11
A12
A13
A14
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