LG Electronics 32LS679C-ZC Vertical/Horizontal bar, residual image, light spot, A. Video error

Standard Repair Process

	Error	A. Video error	Established	2012. 01 .14
LCD TV			date
	symptom	Vertical / Horizontal bar, residual image,	Revised date		6/14
		light spot, external device color error

Vertical/Horizontal bar, residual image, light spot

Replace

Module

☞A7

Check color condition by input -External Input -Component

-RGB

-HDMI/DVI

☞A10

Check Test pattern

Screen Y normal?

N

Replace module

Check external	Y
device
	Normal?
connection
condition
	N

Request repair for external device

☞A8/ A9

Check and replace Link Cable

Screen N normal?

Y

End

Replace Main B/D

N

Screen

normal?

Y

End

External device screen error-Color error

Check S/W Version

Check N version

Y

S/W Upgrade

Normal N screen?

Y

End

Check screen
condition by
input	External
-External Input	Input
-Component	error
-RGB
-HDMI/DVI	Component
	error
	RGB
	error
	HDMI/
	DVI

Connect other external device and cable

(Check normal operation of External Input, Component, RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc.

Connect other external device and cable

(Check normal operation of External Input, Component, RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc.

Screen	N
		Replace
normal?		Main B/D

Y

Request repair for external device

Y

Screen N	Replace
normal?	Main B/D

Copyright © 2012 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes