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Standard Repair Process
Error
LCD TV
symptom
Check
Power LED
Power LED
On?
. Stand-By: Red
N
. Operating: Green
Check Power cord
was inserted properly
Check & Repair
Mechanical Power switch
on Local control of TV
Normal?
Y
Close
B. Power error
No power
DC Power on
Y
by pressing Power Key
On Remote control
N
Check ST-BY 5V
Replace Power
B/D
Established
date
Revised date
N
Normal
operation?
Y
Measure voltage of each output of Power B/D
Y
Y
Normal
voltage?
Normal
Y
voltage?
N
Replace Power B/D
N
'09 years new model apply
to reduce power consumption in stand-by status.
If mechanical power switch off
Doesn't turn on by remote control
Doesn't appear LED light
Please refer to the A21 Page
6
2008. 3 .05
Y
Check Power
OK?
On '"High"
Replace Main B/D
Replace Main B/D
mechanical power switch
6/13
Replace
Power
B/D
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