Sanyo LCD-40XZ10F - Page 25

2．Backlight is normal, but there is no picture
Yes Yes
No
No Yes
TV
有
No
No
Yes
Check if operations
of remote control or
keys on the unit are
normal ?
Check if there
is no picture of
all channels ?
Enter into factory menu ，
initialize EEPROM, then
power off and power on
again, check if there is
picture ?
Change another
main board
Adjust main board again
Check if OSD menu is
displayed normally
after pressing key
“menu”?