LG 65UB930T Service Manual

B. Power error
Off when on off while viewing power auto on/off
Established
date
Revised date
7/16
LCD TV
Error
symptom
Standard Repair Process
2013.01.31
Off
when
on
,
off
while
viewing
,
power
auto
on/off
Check outlet
☞
A
19
Revised
date
7/16
Error?
N
Check Power Off
Mode
Check A/C cord
Check for all 3
-
phase
Replace Main B/D
CPU
Abnormal
N
Y
Normal?
End
Y
Fix A/C cord & Outlet
and check each 3
Check
for
all
3
-
phase
power out
(If Power Off mode
Replace Power B/D
☞A18
Abnormal
1
phase out
(If
Power
Off
mode
is not displayed)
Check Power B/D
voltage
Y
N
Replace Main B/D
Normal
voltage?
※ Caution
Ch k d fi i
Replace Power B/D
Ch
ec
k
an
d
fi
x exter
i
or
of Power B/D Part
Status Power off List Explanation
"POWEROFF REMOTEKEY"
PffbREMOTECONTROL
* Please refer to the all cases which
Nl
"POWEROFF
_
REMOTEKEY"
P
ower o
ff
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"
PffbONTIMER
can be displayed on power off mode.
N
orma
l
"POWEROFF
_
ONTIMER"
P
ower o
ff
by
ON
TIMER
"POWEROFF_RS232C" Power off by RS232C
"POWEROFF_RESREC" Power off by Reservated Record
"POWEROFF_RECEND" Power off by End of Recording
"POWEROFF_SWDOWN" Power off by S/W Download
"POWEROFF UNKNOWN"
Pffbk tt tlitd
7
"POWEROFF
_
UNKNOWN"
P
ower o
ff
by
un
k
nown s
t
a
t
us exce
pt
li
s
t
e
d
case
Abnormal
"POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble
"POWEROFF_CPUABNORMAL" Power off by CPU Abnormal
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LG 65UB930T Specifications

General

Brand	LG
Model	65UB930T
Category	LED TV
Language	English