DOWNLOAD LG 55EA9800-SA (CHASSIS:EJ34D) Service Manual ↓ Size: 7.81 MB | Pages: 99 in PDF or view online for FREE

Model
55EA9800-SA (CHASSIS:EJ34D)
Pages
99
Size
7.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55ea9800-sa-chassis-ej34d.pdf
Date
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D. Function error
Wifi operating checking
Standard Repair Process
Established
date 
Revised date
12/16
LCD  TV
Error
symptom
2013.01.31
Wifi operating checking
3.Wifi operating error
Revised date 
12/16
Check the 
INSTART menu
Wi-Fi Mac value 
is “NG”?
N
Check the Wifi wafer
1pin 
Normal
Voltage?
N
Replace
Main B/D
☞
A24
☞
A4
Y
Check & Repair 
Wifi cable 
Close
Y
☞
A24
connection
☞
A4
Wi-Fi Mac value 
is “NG”?
N
Close
☞
A4
Change the Wifi 
assy
Y
12
D. Function error
Camera operating checking
Standard Repair Process
Established
date 
Revised date
13/16
LCD  TV
Error
symptom
2013.01.31
Camera operating checking
4.Camera operating error
Revised date 
13/16
Check the 
INSTART menu
Camera Ver. 
is “NG”?
N
Check the Camera wafer
P4200 2pin 
Normal
Voltage?
N
Replace
Camera B/D
☞
A25
☞
A4
Y
Check & Repair 
Camera cable 
Close
Y
☞
A25
connection
☞
A4
Camera Ver. 
is “NG”?
N
Close
☞
A4
Change the 
Camera assy
Y
13
D. Function error
External device recognition error
Established
date 
Revised date
14/16
LCD  TV
Error
symptom
Standard Repair Process
2013.01.31
External device recognition error 
Revised date 
14/16
Check technical 
information
- Fix information
- S/W Version
N
Technical 
information?
Check 
input 
signal
Signal
input?
Y
External Input and
Component
Recognition error
Replace Main B/D
S/W Version
Y
N
Check and fix 
external device/cable
HDMI/
DVI, Optical
Recognition error
Replace Main B/D
Fix in 
accordance 
with technical 
information
14
E. Noise 
Circuit noise mechanical noise
Established
date 
Revised date
15/16
LCD  TV
Error
symptom
Standard Repair Process
2013.01.31
Circuit noise, mechanical noise
Revised date 
15/16
Check 
location of 
Identify 
nose 
Circuit 
noise
Replace PSU
noise
type
noise
Mechanical 
noise
Check location of 
noise
noise
noise
※
When the nose is severe, replace the module
(For models with fix information, upgrade the 
S/W or provide the description)
※
M h i l
i
i
t
l
p
p
)
OR
※
If there is a “Tak Tak” noise from the 
cabinet, refer to the KMS fix information and 
then proceed as shown in the solution manual
(For models without any fix information, 
OR
※
Mechanical noise is a natural 
phenomenon, and apply the 1st level 
description. When the customer does not 
agree, apply the process by stage. 
※
Describe the basis of the description 
i “P t
l t d t
”
i th O
’
(
y
,
provide the description)
in “Part related to nose” in the Owner’s 
Manual.
15
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