Display trouble(exceptional
screen)
Exceptional screen
Check if the cable is correct
and connected tightly
Y
N
Check if the LCD
panel is ok
N
Y
Check the circuit of output and
the CN2/Jack
N
Y
Change the cable for
Panel connector
Check the power supply for
Change or repair the
Change LCD
U5 and the clock circuit
Damaged components
Need help?
Do you have a question about the HL22KN1 and is the answer not in the manual?
Questions and answers