Troubleshoot for Video/Audio Signal Problem
<TV Self Test> : Customers also can check the picture and sound by internal data.
If the picture and sound is no problem, the reason of trouble is mostly not a TV.
How to display :
Menu HELP TV Self Test
#)The test pattern and test sound are created by the main IC on the A board.
TV Self Test
(OK)
1) During this indication
“Self Check of Service Mode”
is working at the background.
*) does not apply to D400/410 series
2) If NG, indication is shown.
# A board defective
3) If All OK, it shifts to picture
and sound test.
Yes
1.Antenna level low
2.Connection mistake
3.Input devices NG
4.Input select mistake
No
TV unit defective.
(A board, Panel or
Speaker)
A
IC8000
Test
Pattern
IP conv.
LCD Panel Module
T-CON LCD Panel
17
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