Power Error; No Power - LG 55LB5610 Service Manual

Standard Repair Process
Error
LCD 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 ST-BY 3.5V
End

No power

DC Power on
by pressing Power Key
On Remote control
☞A4
Measure voltage of each output of Power B/D
Y
Normal
Voltage
N
Replace Power B/D Replace Power B/D
Established
2012. 01 .14
date
Revised date
☞A13
Normal
N Check Power
Operati
On '"High"
on
Y
Replace Main B/D
Y
Normal
Replace Main B/D
Voltage
N
7/14
Replace
Y
OK Power
B/D
LGE Internal Use Only