Table of Contents
Advertisement
Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
21
22
22
23
B. Power error_No power
24
25
25
B. Power error_Off when on, off while
26
viewing
B. Power error_Off when on, off while
27
viewing
viewing
28
C. Audio error_No audio/Normal video
29
C. Audio error_Wrecked
30
audio/discontinuation
D. Function error_ No response in remote
31
controller key error
controller, key error
32
D. VCOM Adjustment
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Content
Check front display LED
Check power input Voltage & ST-BY 5V
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
there is no audio
Voltage and speaker checking method in case of
audio error
Remote controller operation checking method
Sequence of the Vcom adjustment
Continued from previous page
p
p g
Page
Remarks
A17
A18
A18
A18
A5
A22
A18
A24
A25
A25
A27
A28
LGE Internal Use Only
Advertisement
Table of Contents
