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Standard Repair Process
Error
symptom
☞A17
Check
Power
Power LED
LED On?
. Stand-By: Red or Turn On
. Operating: Turn Off
Check Power cord
was inserted properly
Normal?
End
B. Power error
Y
N
N
Y
☞A18
Check St-by 7.8V
No power
DC Power on
by pressing Power Key
on Remote control
☞A18
Measure voltage of each output
of Power B/D
Y
Normal
Y
voltage?
Replace Power B/D
N
Replace Power B/D
6
Established
date
Revised date
☞A18
N
Normal
Check Power
On '"High"
operation?
Y
Y
Normal
Replace Main B/D
voltage?
N
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Only for training and service purposes.
Y
Replace
OK?
Power B/D
N
Replace Main B/D
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