22
2.2. Backlight, but no picture
Check if the unit button
and remote control
operation?
Check if all channels
have no signal?
Replace
main board
Enter factory-menu,
initialization EEPROM,
then turn off the TV,
turn on again, display
picture?
Adjust main board
again
Replace main
board
no
yes
yes
no
yes
Does display OSD
menu on screen when
press menu button?
yes
no
no
Summary of Contents for LCD-47XR8DA
Page 1: ...LCD 47XR8DA 1 682 344 41 CCIR DVB T SM0915046 ...
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Page 41: ...9247HE2710 Ver 1 0 ...