Haier 55E3500c Service Manual page 43

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Check if the voltage
pressure of J16 Pin5 is high
voltage pressure (More than 2.5V)
Yes
Check if there is voltage
pressure in the J16 .
pin7/pin8 （5V ），
pin12/pin13 （12V）
Yes
Check if the voltage pressure of
LD23(1.2V), U104(1.8V),
LD22(3.3V),
Yes
Change
Mainboard
No
Change U1
No
Change POWER board
No
Change UD9,U104 or UD8
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