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3.6.2 LCD backlight does not shine
Check the LCD module of FPC
is connected to the connector on
the MB is good, what is normal
reconnect
After change the LCD backlight,
check LCD backlight again.
In the case of checking whether
there should be lit LCD 20V
voltage exceeds the amount of
backlight driver output voltage
Check the peripheral device drivers and
backlight welding
LCD backlight does
not shine
N
N
N
N
Y
OK
Y
OK
Y
Backlight circuit
normal, LCD
problem
Y
OK
19
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