Haier HL42XR1 service manual Pannel failure, Failure

9-4. Pannel failure

Failure Mode

Part Name Description Phenomena Failure cause

V B/D Vertical bar

Vertat gray

V Dim

line

Vertical color

V L/D line(light or

TCP

dark forever)

Horizontal

H B/D

bar

Horizontal

H Dim

gary line

Horizontal

H L/D line(light or dark forever)

Block Defect :TCP cracking or cracking

Dim or L/D :TCP Sunken :TCP lead cracking :ACF bonding short

:Awful environment and something electric enter into

LCD

:Mis-align between TCP and Panel :Panel failure

:TCP failure

(C)

ACF bnding _nd P_

Failure	Mode
Part	Name		Description		Phenomena			Failure cause
	Dot	Defect	Bright dot dark		Dot		Inspection		Standard
			dot in pannel		Incoming
					D_k
Panel	or
	Polarizer		Bladder	in
Polarizer			Polarizer		Bladder	between Polarizer and top glass
	Bubble
	Polarizer		Polarizer	Scratch	Tine or	rigidity		arose
	Scratch
	F/M	inside	Eyewinker	inside	Eyewinker		inside	Polarizer
	Polarizer		Polarizer
Circuit	Abnormal		Abnormal	Display	1 .Chip	lose action
	Display				2.1C ahort		or jointiog		bad

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