B. Power error
No power
Standard Repair Process
Established
date
Revised date
7/14
LCD TV
Error
symptom
2012. 01 .14
Power LED
On?
Y
DC Power on
by pressing Power Key
N
Normal
operation?
Check Power
On ‘”High”
Check
Power LED
Replace
Power
Y
OK?
☞
A11
☞
A13
On?
N
y p
g
y
On Remote control
Y
operation?
On ‘”High”
Check Power cord
was inserted properly
Power LED
Power
B/D
Replace Main B/D
☞
A4
. Stand-By: Red
Measure voltage of each output of Power B/D
N
Y
Normal?
☞
A4
N
Y
Normal
voltage?
Replace Main B/D
Y
Check ST-BY 3.5V
R l
P
B/D
Y
Normal
voltage?
Y
☞
A12
※
Close
Replace Power B/D
N
Replace Power
B/D
B/D
10 / 97
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Summary of Contents for 55EA970T
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