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Standard Repair Process
Error
LED TV
symptom
☞A11
Check
Power
Power LED
LED On
Stand-By : Red
N
Check Power cord
was inserted properly
Normal
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Only for training and service purposes
B. Power error
Y
N
☞A12
※
Y
Check +12V from power
board and ST-BY 5V
from main board
End
Replace power board
or main board
No power
DC Power on
by pressing Power Key
On Remote control
☞A4
Check main 5V, 3.3V, V_CORE(1.15), DDR_1.8V
Y
Normal
Voltage
N
Repair power circuit or
replace main board
Established
2014. 07.07
date
Revised date
☞A13
Normal
N
check power on
Operati
"high",normal it is
about 3V
on
Y
Replace Main B/D
Y
Normal
Replace main chip
Voltage
or main board
N
7/14
Replace
Y
OK
Power
B/D
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