ⓒ LG Electronics. Inc.2011
Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
16
B. Power error_No power
Check front display LED A17
17 Check power input Voltage & ST-BY 5V A18
18 Checking method when power is ON A19
19 POWER BOARD voltage measuring method A4
20
B. Power error_Off when on, off while
viewing
POWER OFF MODE checking method A22
21
B. Power error_Off when on, off while
viewing
POWER BOARD PIN voltage checking method A19
22
C. Audio error_No audio/Normal video
Checking method in menu when there is no audio A24
23
Voltage and speaker checking method when there
is no audio
A25
24
C. Audio error_Wrecked
audio/discontinuation
Voltage and speaker checking method in case of
audio error
A25
25
D. Function error_ No response in remote
controller, key error
Remote controller operation checking method A27
Continued from previous page