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Standard Repair Process
Error
symptom
Check outlet
Check A/C cord
Check for all 3- phase
power out
Fix A/C cord & Outlet
and check each 3
phase out
* Please refer to the all cases which
can be displayed on power off mode.
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Only for training and service purposes
B. Power error
Off when on, off while viewing, power auto on/off
☞A22
N
Check Power Off
Error?
Mode
Y
Normal
Abnormal
CPU
Abnormal
Abnormal
☞A5
(If Power Off mode is
not displayed)
Check Power B/D
voltage
※ Caution
Check and fix exterior
Replace Power B/D
of Power B/D Part
Status
Power off List
"POWEROFF_REMOTEKEY"
"POWEROFF_OFFTIMER"
"POWEROFF_SLEEPTIMER"
"POWEROFF_INSTOP"
"POWEROFF_AUTOOFF"
"POWEROFF_ONTIMER"
"POWEROFF_RS232C"
"POWEROFF_RESREC"
"POWEROFF_RECEND"
"POWEROFF_SWDOWN"
"POWEROFF_UNKNOWN"
"POWEROFF_ABNORMAL1"
"POWEROFF_CPUABNORMAL"
Established
date
Revised date
Replace Main B/D
1
Y
Normal
Replace Main B/D
voltage?
N
Explanation
Power off by REMOTE CONTROL
Power off by OFF TIMER
Power off by SLEEP TIMER
Power off by INSTOP KEY
Power off by AUTO OFF
Power off by ON TIMER
Power off by RS232C
Power off by Reservated Record
Power off by End of Recording
Power off by S/W Download
Power off by unknown status except listed case
Power off by abnormal status except CPU trouble
Power off by CPU Abnormal
7/13
Y
Normal?
End
N
Replace Power B/D
LGE Internal Use Only
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