Haier L1927 Service Manual page 15

2.3 Exceptional screen
Select the
right panel
voltage
Exceptional screen
Check voltage for the panel
N
Check the panel
connector
Check LCD
Check the output net，the
connector
Check U5 For
Power supply & timer circuit
Y
N
Y
N
Y
N
Y
Change the panel
connector
Change LCD
Change/mend the part
circuit