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Standard Repair Process
Error
symptom
☞A8
Check
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 Power ST-BY 7.8V
☞A9
Replace Power
B/D
Revised date
Normal
operation?
Y
☞A9
Measure each output
voltage of Power B/D
Y
Normal
voltage?
Normal
Y
voltage?
Replace Power B/D
N
6
Established
date
☞A9
N
Check Power
OK?
On '"High"
Replace Main B/D
Y
Replace Main B/D
N
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Only for training and service purposes.
6/18
Y
Replace
Power B/D
N
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