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Standard Repair Process
Error
symptom
☞A8
Check front
Power
Power Indicator
LED On?
. Stand-By: Red or Turn On
N
. Operating: Turn Off
Check Power cord
was inserted properly
Normal?
Y
Close
B. Power error
No power
DC Power on
Y
by pressing Power Key
On Remote control
N
Check ST-BY 3.5V
☞A9
Normal
operation?
Measure voltage of each
output of Power B/D
Y
Normal
voltage?
Normal
Y
voltage?
Replace Power B/D
N
Replace Power
B/D
6
Established
date
Revised date
☞A9
N
Check Power
On '"High"
Y
Replace Main B/D
☞A9
Y
Replace Main B/D
N
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Only for training and service purposes
6/16
Replace
Y
OK?
Power
B/D
N
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