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LG 47LB5800 Service Manual

LG 47LB5800
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D. General Function Problem
Established
dt
Error
2014 1 2
Standard Repair Process
Remote control & Local switch checking
1. Remote control(R/C) operating error
Replace
Main B/D
d
a
t
e
Revised date
10/13
LCD TV
Error
symptom
2014
.
1
.
2
Y
N
Check R/C itself
Operation
Normal
operating?
Y
Check & Repair
Cable connection
Connector solder
Normal
operating?
Check B+ 3.5V
On Main B/D
A
27
Normal
Voltage?
N
Check IR
Output signal
Normal
Signal?
N
Y
N
A27
Y
A27
Y
Check R/C Operating
When turn off light
in room
Check & Replace
Baterry of R/C
Close
Check 3.5v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
A
4
N
Repair/Replace
IR B/D
N
Normal
operating?
Close
Re
p
lace R/C
If R/C operate,
Explain the customer
cause is interference
from light in room.
N
p
12 / 97
Copyright 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

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LG 47LB5800 Specifications

General IconGeneral
Screen Typeled
Wall Mount400mm x 400mm
Screen Size46.9 inches, 47 inches
Refresh Rate60hz
USB Ports1
RF Antennayes
Headphones Outputyes
Digital Optical Audio Outputs1
Analog Audio Outputs1
Component Video Inputs1
Composite Video Inputs1
DVI1
Remote Controlstandard
3Dno
Width with Stand42.25 inches
Depth without Stand2.25 inches
Height without Stand24.88 inches
Net Weight without Stand27.1 pounds

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