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2．Backlight is normal, but no picture.
Check if TV set
can be operated
by remote control
or keys of the unit.
No
Change
main board.
Press key "menu",
Yes
check
display normally.
No
Enter into factory menu,
有
initialize EEPROM, power
off and then power on TV
No
set again, check if there
is picture.
Yes
Readjust main
board.
Yes
if
OSD
Aren't there pictures
Yes
of all channels?
Change main
board.
TV
No
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