LG 32LW5700 Manual page 64

Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
17
18
B. Power error_No power
19
20
B. Power error_Off when on, off while
21
viewing
B. Power error_Off when on, off while
22
viewing
23
C. Audio error_No audio/Normal video
24
C. Audio error_Wrecked
25
audio/discontinuation
D. Function error_ No response in remote
26
controller, key error
Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error symptom Content
Check front display LED
Check power input Voltage & ST-BY 5V
Checking method when power is ON
POWER BOARD voltage measuring method
POWER OFF MODE checking method
POWER BOARD PIN voltage checking method
Checking method in menu when there is no audio
Voltage and speaker checking method when there
is no audio
Voltage and speaker checking method in case of
audio error
Remote controller operation checking method
Continued from previous page
Page Remarks
A17
A18
A19
A4
A22
A19
A24
A25
A25
A27
LGE Internal Use Only