43
First,check cables which connect with PSB and the Lvds wire with the panel.
Second, check the output voltage of CN4
Connector: CN4.
State
:
No sound
First
,
check cables which connect with Main Board
,
then check as follows
First,check speaker anode(+) and cathode(-),confirm speaker short or not. If short ,replace speaker.
Second,check CN1 with oscillograph, confirm wave output or not.
Connector: CN1.
12.4 Pannel failure
Failure Mode
Part Name Description Phenomena
Failure
cause
V B/D
Vertical bar
V Dim
Vertal gray
line
V L/D
Vertical color
line(light or
dark forever)
H B/D
Horizontal
bar
H Dim
Horizontal
gary line
TCP
H L/D
Horizontal
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
Failure Mode
Part Name Description Phenomena
Failure
cause
Dot Defect
Bright dot dark
dot in pannel
Incoming Inspection Standard
Panel or
Polarlzer
Polarizer
Bubble
Bladder in
Polarizer
Bladder between Polarizer and top glass
Содержание HL19T
Страница 27: ...27 7 2 Back panel controls ...
Страница 28: ...28 7 3 Setting Up Your Remote Control ...
Страница 55: ...41 11 WIRING CONNECTION DIAGRAM 12 TROUBLE SHOOTING GUIDE 12 1 Simple check ...
Страница 61: ...47 Haier Group ...