LG 43LF510A Service Manual page 34

Standard Repair Process
Error Symptom
Content
Check outlet
Check A/C cord
Check for all 3- phase
power 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
Off when on/off while viewing, power auto on/off
☞A14
N Check Power Off
Error
Y
☞A13
(If Power Off mode
Fix A/C cord & Outlet
is not displayed)
and check each 3
Check Adaptor
phase out
voltage
Status
Normal
Abnormal
B. Power Error
CPU
Abnorm
Mode
al
Abnorm
al1
Normal
Voltage
Replace Adaptor
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
Replace Adaptor
Y
Replace Main B/D
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
8/14
Y
Normal End
N
LGE Internal Use Only