LG 55LX9500-UA (CHASSIS:LA02R) Service Manual ▷ View online
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5.3 LAN PORT INSPECTION(PING TEST)
5.3.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test
2) Input IP set up for an inspection to Test
Program.
*IP Number : 12.12.2.2
5.3.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) remove LAN CABLE
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) remove LAN CABLE
5.4 EDID/DDC Download
(1) Overview
It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
(2) Equipment
• Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
• Adjust by using remote controller.
(3) Download method
1) Press Adj. key on the Adj. R/C,
2) Select EDID D/L menu.
3) By pressing Enter key, EDID download will begin
4) If Download is successful, OK is display, but If
2) Select EDID D/L menu.
3) By pressing Enter key, EDID download will begin
4) If Download is successful, OK is display, but If
Download is failure, NG is displayed.
5) If Download is failure, Re-try downloads.
Caution) When EDID Download, must remove RGB/HDMI
Cable.
(4) EDID DATA
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5.5. White Balance Adjustment
(1) Overview
• W/B adj. Objective & How-it-works
- Objective: To reduce each Panel’s W/B deviation
- How-it-works: When R/G/B gain in the OSD is at 192, it
- How-it-works: When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic
Range. In order to prevent saturation of
Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is
lowered to find the desired value.
Range. In order to prevent saturation of
Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is
lowered to find the desired value.
- Adj. condition : normal temperature
1) Surrounding Temperature: 25±5ºC
2) Warm-up time: About 5 Min
3) Surrounding Humidity: 20% ~ 80%
2) Warm-up time: About 5 Min
3) Surrounding Humidity: 20% ~ 80%
(2) Equipment
1) Color Analyzer: CA-210 (NCG: CH 9 / WCG: CH12 /
LED : CH14)
2) Adj. Computer (During auto adj., RS-232C protocol is
needed)
3) Adjust Remocon
4) Video Signal Generator MSPG-925F 720p/216-Gray
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
• Color Analyzer Matrix should be calibrated using CS-1000
(3) Equipment connection MAP
(4) Adj. Command (Protocol)
• RS-232C Command used during auto-adj.
Ex) wb 00 00 -> Begin White balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. complete
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. complete
* (wb 00 20(start), wb 00 2f(endc)) -> Off-set adj.
wb 00 ff -> End white balance auto adj.
• Adjustment Map
(5) Adj. method
• Auto adj. method
1) Set TV in adj. mode using POWER ON key
2) Zero calibrate probe then place it on the center of the
2) Zero calibrate probe then place it on the center of the
Display
3) Connect Cable(RS-232C)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sing), check adj. status pre
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sing), check adj. status pre
mode (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj.
• W/B Adj. must begin as start command “wb 00 00”, and
finish as end command “wb 00 ff”. and Adj. offset if need
(6) Manual adj. method
1) Set TV IN Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place in
2) Zero Calibrate the probe of Color Analyzer, then place in
on the center of LCD module within 10cm of the surface.
3) Press ADJ KEY -> EZ adjust using adj. R/C -> 6. White
Balance then press the cursor th the right (KEY
G
),
When Key(
G
) is pressed 216 Gray internal pattern will
be displayed.
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
• If internal pattern is not available, use RF input. In EZ Adj.
menu 6. White Balance, you can select one of 2 Test-
pattern. ON, OFF. Default is inner(ON). By selection OFF,
you can adjust using RF signal in 216 Gray pattern.
pattern. ON, OFF. Default is inner(ON). By selection OFF,
you can adjust using RF signal in 216 Gray pattern.
• Adj. condition and cautionary items
1) Lighting cndition in surrounding area.
1) Lighting cndition in surrounding area.
Surrounding lighting should be lower 10 lux. Try to isolate
adj. area into dark surrounding.
adj. area into dark surrounding.
2) Probe location : Color Snalyzer (CA-210) probe should be
within 10cm and perpendicular of the module surface
(80º~100º)
(80º~100º)
3) Aging time
-After Aging Start, Keep the Power ON status during 5
Minutes.
- In case of LCD, Back-light on should be checked using
no signal or Full-white pattern.
Co lo r An alyzer
Co m p ut er
Pat t ern Gen erat o r
RS -232C
RS -232C
RS -232C
Probe
Signal Source
* If TV internal pattern is used, not needed
Connection Diagram of Automatic Adjustment
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(7) Reference (White Balance Adj. coordinate and color
temperature)
• Luminance: 216 Gray
• Standard color coordinate and temperature using CS-
• Standard color coordinate and temperature using CS-
1000
• Standard color coordinate and temperature using CA-210
(CH 14)
• Standard color coordinate and temperature using CA-
210(CH 14) – by aging time
1) Edge/IOP LED models : 42/47/55LX6500-UB
2) IOP LED models : 47/55LX9500-UA
(8) THX Adjustment (THX certified model only)
Several THX certified model have to adjust White Balance
5 point at warm mode only.
5 point at warm mode only.
1) Adjust 100 IRE White Balance
2) Adjust Max Brightness of Back Light Unit to approach
2) Adjust Max Brightness of Back Light Unit to approach
120cd.
3) Adjust Gamma 2.2 IRE(80,60,40,20) with Max Brightness.
4) Set R,G,B Gain at 10 IRE to 0,0,0
4) Set R,G,B Gain at 10 IRE to 0,0,0
5) Complete 5 point Gamma and White Balance Adjustment.
5.6. Option selection per countries
(1) Overview
(2) Method
• Press ADJ key on the Adj. R/C, and then select Country
Group Menu
• Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX. Selection is
done using +, - KEY
done using +, - KEY
(3) Tool Option Inspection
• Press Adj. key on the Adj. R/C, and then check Tool
option.
5.7. Local dimming inspection (Optional)
5.7.1. Edge LED models with local dimming
(1) Press ‘TILT” key of the Adj. R/C and check moving
(1) Press ‘TILT” key of the Adj. R/C and check moving
patterns. The black bar patterns moves from left to right.
If local dimming function does not work, a whole screen
shows full white.
shows full white.
5.7.2. IOP LED models with local dimming
(1) Press ‘TILT” key of the Adj. R/C and check moving
patterns. The black cross-bar patterns moves from top-left to
Bottom-right. If local dimming function does not work, a whole
screen shows full white.
(1) Press ‘TILT” key of the Adj. R/C and check moving
patterns. The black cross-bar patterns moves from top-left to
Bottom-right. If local dimming function does not work, a whole
screen shows full white.
Mode
Color Coordination
Temp
∆
UV
x
y
COOL
0.269
0.273
13000K
0.0000
MEDIUM
0.285
0.293
9300K
0.0000
WARM
0.313
0.329
6500K
0.0000
Mode
Color Coordination
Temp
∆
UV
x
y
COOL
0.269±0.002
0.273±0.002
13000K
0.0000
MEDIUM
0.285±0.002
0.293±0.002
9300K
0.0000
WARM
0.313+0.002
0.329±0.002
6500K
0.0000
Model
Tool1
Tool2
Tool3
Tool4
Tool5
47LX9500-UA
33792
30291
56636
4588
1963
55LX9500-UA
46080
30291
56636
4588
1963
42LX6500-UB
25568
30291
56364
4524
1578
47LX6500-UB
33760
30291
56364
4524
1578
55LX6500-UB
46048
30291
56364
4524
1579
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