LG 42LB5800-SB - Power Error

B. Power erro
r
Established
dt
Error
2014 1 2
Standard Repair Process
No power
☞
A17
☞
A19
d
a
t
e
Revised date
6/13
LCD TV
Error
symptom
2014
.
1
.
2
Power LED
On?
Y
N
DC Power on
by pressing Power Key
On Remote control
Y
N
Normal
operation?
Check Power
On ‘”High”
Check
Power LED
Replace
Power
B/D
Y
OK?
☞
A17
☞
A19
. Stand-By: Red or Logo Light ON
. Operating : off
Check Power cord
was inserted properly
Measure voltage of each output of Power B/D
Replace Main B/D
N
Normal?
☞A4
Y
Normal
voltage?
Replace Main B/D
Y
Ch k ST
BY 3 5V
Normal
Y
※
Close
N
Ch
ec
k
ST
-
BY
3
.
5V
Replace Power B/D
N
Y
Normal
voltage?
☞A18
Replace Power
B/D
8/ 97
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only