LG 47LA8600 / 47LA860Y (CHASSIS:LB34D) Service Manual ▷ View online
Check technical
information
- Fix information
- S/W Version
N
Y
Technical
information?
Check
input
signal
Signal
input?
input?
Y
N
External Input and
Component
Recognition error
Check and fix
external device/cable
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
14/16
LCD TV
Error
symptom
Standard Repair Process
14
2013.03.05
Check
location of
noise
Identify
nose
type
Circuit
noise
Replace PSU
Mechanical
noise
Check location of
noise
※ When the nose is severe, replace the module
(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)
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.
E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
15/16
LCD TV
Error
symptom
Standard Repair Process
15
2013.03.05
Replace module
Zoom part with
exterior damage
Module
damage
Cabinet
damage
Replace cabinet
Replace remote controller
Remote
controller
damage
Stand
dent
Replace stand
F. Exterior defect
Exterior defect
Established
date
Revised date
16/16
LCD TV
Error
symptom
Standard Repair Process
16
2013.03.05
Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
1
A. Video error_ No video/Normal audio
Check LCD back light with naked eye
A1
2
Check White Balance value
A2
4
A. Video error_ video error /Video
lag/stop
lag/stop
TUNER input signal strength checking method
A3
5
LCD-TV Version checking method
A4
6
Tuner Checking Part
A5
7
A. Video error _Vertical/Horizontal bar,
residual image, light spot
residual image, light spot
LCD TV connection diagram
A6
8
A. Video error_ Color error
Check Link Cable (EPI) reconnection
condition
condition
A7
9
Adjustment Test pattern - ADJ Key
A8
10
<Appendix>
Defected Type caused by T-Con/
Inverter/ Module
Defected Type caused by T-Con/
Inverter/ Module
Exchange Main Board (1)
A-1/5
11
Exchange Main Board (2)
A-2/5
12
Exchange Power Board (PSU)
A-3/5
13
Exchange Module (1)
A-4/5
14
Exchange Module (2)
A-5/5
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