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Standard Repair Process
Error
symptom
Check Power outlet
Check A/C cord
Check for all 2- phase
power out
Fix A/C cord & Power
Outlet and check
each 2 phase out
B. Power error
Off when on, off while viewing, power auto on/off
☞A11
N
Check Power Off
Error?
Mode
Y
CPU
Abnormal
NO_
POLLING
☞A9
(If Power Off mode
is not displayed)
Normal
Check Power B/D
voltage?
voltage
※ Caution
Check and fix exterior
Replace Power B/D
of Power B/D Part
7
Established
date
Revised date
Replace Main B/D
Replace Power B/D
Y
Replace Main B/D
N
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Only for training and service purposes
7/16
Y
End
Normal?
N
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