LG 47LM8600 / 47LM8650 (CHASSIS:LA23E) Service Manual ▷ View online
D. Function error
M4 operating checking
Y
N
2. M4(Magic Remocon) operating error
Check M4 itself
Operation
Normal
operating?
Normal
operating?
Y
Close
Check & Replace
Batterry of M4
Is show ok
message?
Press the
wheel
Is show ok
message?
Close
N
N
N
Y
Standard Repair Process
Established
date
Revised date
11/15
LCD TV
Error
symptom
11
2012.01.16
Replace M4
Turn off/on the
set and press
the wheel
Press the back
key about 5sec
Close
* If you conduct the loop at 3times, change the M4.
Y
Check the
INSTART menu
RF Receiver ver
is “00.00”?
Y
Check & Repair
RF assy
connection
N
Down load the Firmware
* INSTART MENU
Æ15.RF
Remocon Test
Æ3. Firmware
download
Y
RF Receiver ver
is “00.00”?
N
Close
☞A28
☞A7
☞A7
D. Function error
Wifi operating checking
3.Wifi operating error
Check the
INSTART menu
Wi-Fi Mac value
is “NG”?
Y
Check & Repair
Wifi cable
connection
N
Check the Wifi wafer
(P4301)_1pin
Standard Repair Process
Established
date
Revised date
12/15
LCD TV
Error
symptom
12
2012.01.16
Change the Wifi
assy
Normal
Voltage?
Close
Y
Y
N
Replace
Main B/D
Wi-Fi Mac value
is “NG”?
N
Close
☞A29
☞A7
☞A7
☞A29
Check technical
information
- Fix information
- S/W Version
information
- Fix information
- S/W Version
N
Y
Technical
information?
Check
input
signal
input
signal
Signal
input?
input?
Y
N
External Input and
Component
Recognition error
Check and fix
external device/cable
external device/cable
RGB,HDMI/
DVI, Optical
Recognition error
Replace Main B/D
Replace Main B/D
Fix in
accordance
with technical
information
D. Function error
External device recognition error
Established
date
Revised date
13/15
LCD TV
Error
symptom
Standard Repair Process
13
2012.01.16
Check
location of
noise
location of
noise
Identify
nose
type
nose
type
Circuit
noise
Replace PSU(with LED driver)
Replace LED driver
Mechanical
noise
Check location
of noise
of noise
OR
※ When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description)
(For models with fix information, upgrade the
S/W or provide the description)
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,
provide the description)
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information,
provide the description)
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
in “Part related to nose” in the Owner’s
Manual.
phenomenon, and apply the 1st level
description. When the customer does not
agree, apply the process by stage.
※ Describe the basis of the description
in “Part related to nose” in the Owner’s
Manual.
E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
14/15
LCD TV
Error
symptom
Standard Repair Process
14
2012.01.16
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