LG 32LH500D - Power error - No power

Standard Repair Process
check power on
"high",normal it is
about 3.3V
OK
Y
A2
DC Power on
by pressing Power Key
On Remote control
Normal
N
Operati
on
Y
END
Y
Normal
Voltage
N
Repair power circuit or
replace main board
Y
Normal
Voltage
N
Check
Power LED
Check Power cord
was inserted properly
A6
Power On
(LED Red off)
Y
Stand-By : Red
N
LED TV
Error
symptom
Power error
Established
date
2016.03.07
No power
Revised date
6/12
A5 A7
Replace main chip
or main board
Check +12V_NORMAL
from power
board and 5V_standby
from main board
N
Normal
A6
Y
End
Check main 5V, 3.3V+, 1.2V_V_CORE, DDR_1.5V
Replace main board
Replace
Power
B/D