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Only for training and service purposes LGE Internal Use Only

B. Power error

Off when on, off while viewing, power auto on/off
Error? N
Y
Check Power Off
Mode
Fix A/C cord & Outlet
and check each 3
phase out
Check A/C cord
Check for all 3- phase
power out
Check outlet
Replace Main B/D
CPU
Abnormal
(If Power Off mode is
not displayed)
Check Power B/D
voltage
Y
N
Replace Main B/D
Normal
voltage?
Replace Power B/D
Replace Power B/D
N
Y
Normal? End
Caution
Check and fix exterior
of Power B/D Part

A14

A13

Established
date
Revised date 8/14
LCD TV Error
symptom
Standard Repair Process
Status Power off List Explanation
Normal
"POWEROFF_REMOTEKEY" Power off by REMOTE CONTROL
"POWEROFF_OFFTIMER" Power off by OFF TIMER
"POWEROFF_SLEEPTIMER" Power off by SLEEP TIMER
"POWEROFF_INSTOP" Power off by INSTOP KEY
"POWEROFF_AUTOOFF" Power off by AUTO OFF
"POWEROFF_ONTIMER" Power off by ON TIMER
"POWEROFF_RS232C" Power off by RS232C
"POWEROFF_SWDOWN" Power off by S/W Download
"POWEROFF_UNKNOWN" Power off by unknown status except listed case
Abnormal "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble
"POWEROFF_CPUABNORMAL" Power off by CPU Abnormal

* Please refer to the all cases which

can be displayed on power off mode.

Abnormal
1
2013. 01 .09