LG 42LE8500 (CHASSIS:LB03E) Service Manual ▷ View online
- 9 -
4. Manual Adjustment
4.1. ADC(GP2) Adjustment
4.1.1. Overview
ADC adjustment is needed to find the optimum black level and
gain in Analog-to-Digital device and to compensate RGB
deviation.
gain in Analog-to-Digital device and to compensate RGB
deviation.
4.1.2. Equipment & Condition
1) Adjust Remocon
2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
- Resolution :
480i, 720*480 (MSPG-925FA -> Model: 209, Pattern: 65)
- 480i
1080p, 1920*1080 (MSPG-925FA -> Model: 225, Pattern:
65) - 1080p
- 480i
1080p, 1920*1080 (MSPG-925FA -> Model: 225, Pattern:
65) - 1080p
- Pattern : Horizontal 100% Color Bar Pattern
- Pattern level: 0.7 ± 0.1 Vp-p
- Image
- Pattern level: 0.7 ± 0.1 Vp-p
- Image
3) Must use standard cable
4.1.3. Adjust method
(1) ADC 480i, 1080p Comp1
1) Check connected condition of Comp1 cable to the equipment
2) Give a 480i, 1080p Mode, Horizontal 100% Color Bar
2) Give a 480i, 1080p Mode, Horizontal 100% Color Bar
Pattern to Comp1.
(MSPG-925FA -> Model: 209, Pattern: 65) - 480i
(MSPG-925FA -> Model: 225, Pattern: 65) - 1080p
(MSPG-925FA -> Model: 225, Pattern: 65) - 1080p
3) Change input mode as Component1 and picture mode
as “Standard”
4) Press the In-start Key on the ADJ remote after at least 1
min of signal reception. Then, select 7. External ADC ->
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
5) If ADC calibration is successful, “ADC RGB Success” is
displayed. If ADC calibration is failure, “ADC RGB Fail” is
displayed.
displayed.
6) If ADC calibration is failure, after recheck ADC pattern or
condition retry calibration Error message refer to 5).
(2) ADC 1920*1080 RGB
1) Check connected condition of Component & RGB cable
to the equipment.
2) Give a 1920*1080 Mode, 100 % Horizontal Color Bar
Pattern to RGB port.
(MSPG-925 Series -> model: 126 , pattern: 65 )
3) Change input mode as RGB and picture mode as
“Standard”.
4) Press the In-start Key on the ADJ remote after at least 1
min of signal reception. Then, select 7. External ADC ->
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
5) If ADC calibration is successful, “ADC RGB Success” is
displayed. If ADC calibration is failure, “ADC RGB Fail” is
displayed.
displayed.
6) If ADC calibration is failure, after recheck ADC pattern or
condition retry calibration Error message refer to 5).
4.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) 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
- Adjust remote control
- Since embedded EDID data is used, EDID download JIG,
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
(3) Download method
1) Press Adj. key on the Adj. R/C, then select “10.EDID
D/L”, By pressing Enter key, enter EDID D/L menu.
2) Select [Start] button by pressing Enter key, HDMI1 /
HDMI2 / HDMI3 / HDMI4 / RGB are Writing and display
OK or NG.
OK or NG.
(4) EDID DATA
A
HDMI
A
RGB
A
Reference
- HDMI1 ~ HDMI4 / RGB
- In the data of EDID, bellows may be different by S/W or
- In the data of EDID, bellows may be different by S/W or
Input mode.
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
01
00
01
01
01
01
10
01
14
01
03
68
10
09
78
0A
EE
91
A3
54
4C
99
26
20
0F
50
54
A1
08
00
81
80
61
40
45
40
31
40
01
01
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
A0
5A
00
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
A0
5A
00
00
00
1E
00
00
00
FD
00
3A
60
3F
1E
53
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
00
1D
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
01
00
01
01
01
01
10
01
14
01
03
80
10
09
78
0A
EE
91
A3
54
4C
99
26
20
0F
50
54
A1
08
00
71
4F
81
01
01
01
01
01
01
01
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
A0
5A
00
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
A0
5A
00
00
00
1E
00
00
00
FD
00
3A
60
3F
1E
53
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
01
D7
80
02
03
26
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
90
22
15
01
26
15
07
50
09
57
07
67
03
0C
00
XX
XX
A0
B8
2D
E3
05
03
01
01
1D
80
18
71
1C
16
20
58
2C
B0
25
00
A0
5A
00
00
00
9E
01
1D
00
80
51
D0
1A
20
C0
6E
88
55
00
A0
5A
00
00
00
1A
02
3A
80
18
71
38
D0
2D
40
58
2C
45
00
A0
5A
00
00
00
1E
66
21
50
B0
E0
51
00
1B
30
40
70
36
00
A0
5A
00
00
00
1E
00
00
F0
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
XX
- 10 -
* Physical Add & Checksum(HDMI)
4.3. White Balance Adjustment
4.3.1 Overview
(1) W/B adj. Objective & How-it-works
(2) Objective: To reduce each Panel’s W/B deviation
(3) How-it-works : When R/G/B gain in the OSD is at 192, it
(2) Objective: To reduce each Panel’s W/B deviation
(3) 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.
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.
(4) Adj. condition : normal temperature
1) Surrounding Temperature : 25 ºC ± 5 ºC
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
4.3.2 Equipment
1) Color Analyzer: CA-210 (LED Module : CH 14)
2) Adj. Computer(During auto adj., RS-232C protocol is
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
A
Color Analyzer Matrix should be calibrated using CS-1000
4.3.3. Equipment connection MAP
4.3.4. Adj. Command (Protocol)
<Command Format>
- LEN: Number of Data Byte to be sent
- CMD: Command
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
- CMD: Command
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
A
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. completed
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
*(wb 00 20(start), wb 00 2f(end)) -> Off-set adj.
wb 00 ff -> End white balance auto-adj.
A
Adj. Map
INPUT
9Eh
9Fh
FFh(Checksum)
HDMI1
10
00
D9
HDMI2
20
00
C9
HDMI3
30
00
B9
HDMI4
40
00
A9
Co lo r Analyzer
Co m p ut er
Pat t ern Generat o r
RS -232C
RS -232C
RS -232C
Probe
Signal Source
* If TV internal pattern is used, not needed
LEN
CMD
VAL
CS
RS-232C COMMAND
Explanation
[CMD
ID
DATA]
wb
00
00
Begin White Balance adj.
wb
00
10
Gain adj.(internal white pattern)
wb
00
1f
Gain adj. completed
wb
00
20
Offset adj.(internal white pattern)
wb
00
2f
Offset adj. completed
wb
00
ff
ITEM
Command
Data Range
Default
(Hex.)
(Decimal)
Cmd 1
Cmd 2
Min
Max
Cool
R-Gain
j
g
00
C0
G-Gain
j
h
00
C0
B-Gain
j
i
00
C0
R-Cut
G-Cut
B-Cut
Medium
R-Gain
j
a
00
C0
G-Gain
j
b
00
C0
B-Gain
j
c
00
C0
R-Cut
G-Cut
B-Cut
Warm
R-Gain
j
d
00
C0
G-Gain
j
e
00
C0
B-Gain
j
f
00
C0
R-Cut
G-Cut
- 11 -
4.3.5. Adj. method
(1) 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 adjustment.
5) When adj. is complete (OK Sing), check adj. status pre
4) Select mode in adj. Program and begin adjustment.
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.
A
W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
finish as end command “wb 00 ff”, and Adj. offset if need.
(2) Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place it
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10cm of the surface.
3) Press ADJ key -> EZ adjust using adj. R/C -> 7. White-
Balance then press the cursor to 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.
A
If internal pattern is not available, use RF input. In EZ
Adj. menu 7.White Balance, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By
selecting OFF, you can adjust using RF signal in 216
Gray pattern.
Adj. menu 7.White Balance, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By
selecting OFF, you can adjust using RF signal in 216
Gray pattern.
A
Adj. condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer (CA-210) probe should be within
10cm and perpendicular of the module surface (80°~
100°)
10cm and perpendicular of the module surface (80°~
100°)
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.
4.3.6. Reference (White Balance Adj. coordinate
and temperature)
A
Luminance : 216 Gray
A
Standard color coordinate and temperature using CS-1000
(over 66cm(26 inch))
(over 66cm(26 inch))
A
Standard color coordinate and temperature using CA-
210(CH 9)
210(CH 9)
A
10 Point White Balance
A
Color Coordinate Variation by Aging time
4.4. EYE-Q function check
Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using
your hand and wait for 6 seconds
Step 4) Confirm that R/G/B value is lower than 10 of the “Raw
Data (Sensor data, Back light)”. If after 6 seconds,
R/G/B value is not lower than 10, replace Eye Q II
sensor.
R/G/B value is not lower than 10, replace Eye Q II
sensor.
Step 5) Remove your hand from the Eye Q II sensor and wait
for 6 seconds.
Step 6) Confirm that “ok” pop up. If change is not seen,
replace Eye Q II sensor.
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269
0.273
13000 K
0.0000
MEDIUM
0.285
0.293
9300 K
0.0000
WARM
0.313
0.329
6500 K
0.0000
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269 ± 0.002
0.273 ± 0.002 13000 K
0.0000
MEDIUM
0.285 ± 0.002
0.293 ± 0.002
9300 K
0.0000
WARM
0.313 ± 0.002
0.329 ± 0.002
6500 K
0.0000
LGD Edge LED
Aging Time
Cool
Medium
Warm
(Min.)
(13,000 K)
(93,000 K)
(65,000K)
1
0-2
276/285
292/305
315/334
2
3-5
274/282
290/302
313/332
3
6-9
273/280
289/300
312/330
4
10-15
272/278
288/298
311/328
5
20-35
271/276
287/296
310/326
6
36-49
269/274
286/294
309/324
7
50-79
269/273
286/293
308/323
8
Over 80
269/273
285/293
308/323
On / Off
On / Off
Pattern
Outer(default)
IRE
100
Luminance
130
Red(130.0 nit)
0
Green(130.0 nit)
0
Blue(130.0 nit)
0
- 12 -
4.5. Checking the function of Bluetooth
using adjusts Remote control
- Auto checking
• Auto checking is doing in “Power Only”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit”.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit”.
- Manual checking
• Push the button “Power Only”and “Exit”.
• Push the button hot key “Bluetooth “.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit.
• Push the button hot key “Bluetooth “.
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit.
4.6. Checking the function of Local Dimming
(LB03D/E only for 107 cm/ 149 cm/ 139 cm)
• Dimming checking is doing in “Power Only” using adjusts
Remote control.
• Push the button “Tilt”.
• Checking the function of Dimming refer to the picture at below.
• Push the button “Exit”.
• Checking the function of Dimming refer to the picture at below.
• Push the button “Exit”.
# Check Local dimming function
4.7. Option selection per country
(1) Overview
- Option selection is only done for models in Non-EU
- Applied model: LB03D/LB03E Chassis
- Applied model: LB03D/LB03E Chassis
(2) Method
1) Press ADJ key on the Adj. R/C, then select Country
Group Menu
2) Depending on destination, select Country Group Code
04 or Country Group EU then on the lower Country
option, select US, CA, MX. Selection is done using +, -
or
option, select US, CA, MX. Selection is done using +, -
or
GF
KEY.
4.8. Tool Option selection
- Method : Press Adj. key on the Adj. R/C, then select Tool
option.
4.9. Ship-out mode check(In-stop)
After final inspection, press IN-STOP key of the Adj. R/C and
check that the unit goes to Stand-by mode.
After final inspection, Always turn on the Mechanical S/W.
check that the unit goes to Stand-by mode.
After final inspection, Always turn on the Mechanical S/W.
5.1. Method
- Check that Power Cord is fully inserted to the SET.
(If loose, re-insert)
- Unit fully inserted Power cord, Antenna cable and A/V
arrive to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
5.2. Checkpoint
• TEST voltage
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
• TEST time: 1 second
• TEST POINT
• TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
NEUTRAL
• LEAKAGE CURRENT: At 0.5 mArms
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