LG 42LB5800-UG Service Manual

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
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Only for training and service purposes
LGE Internal Use Only

LG 42LB5800-UG Specifications

General

Screen Type	led
Wall Mount	400mm x 400mm
Tuner	digital
Screen Size	41.9 inches, 42 inches
Screen Technology	qled
Resolution	full hd (1080p)
Refresh Rate	120hz
HDR	yes
HDMI Ports	3
HDMI 2.1 Ports	0
USB Ports	3
RF Antenna	yes
Headphones Output	no
Digital Optical Audio Outputs	1
Analog Audio Outputs	0
Component Video Inputs	1
Composite Video Inputs	1
DVI	0
SmartTV	webos
Streaming Services	hulu, netflix, youtube
Voice Assistant	other
Remote Control	standard
3D	no
Power Consumption	36.52 kilowatt hours
Depth with Stand	10.04 inches
Height with Stand	26.61 inches
Width with Stand	37.88 inches
Net Weight with Stand	20.9 pounds
Depth without Stand	2.19 inches
Height without Stand	22.32 inches
Net Weight without Stand	20.3 pounds