LG 32LH500B Service Manual page 19

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom
16
17
Power error_No power
18
19
20 Audio error_No audio/Normal video
Audio error_Wrecked audio/discontinuation Voltage and speaker checking
21
Function error_ No response in
22
remote controller, key error
Content
Check front display LED
Check power input voltage and ST-BY 5V
Checking method when power is ON
Power board and main board voltage
measuring method
Voltage and speaker checking
method when there is no audio
method in case of audio error
Remote controller operation checking method
Continued from previous page
Page Remarks
A5
A6
A7
A2
A8
A8
A9