LG 22LV2500-CC (CHASSIS:LC01S) Service Manual ▷ View online
- 9 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LC01S chassis.
2. Designation
1) The adjustment is according to the order which is designated
and which must be followed, according to the plan which can
be changed only on agreeing.
2) Power Adjustment: Free Voltage
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard
5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25 ºC ± 5 ºC
Relative humidity : 65 % ± 10 %
Input voltage : 220 V, 60 Hz
6) Adjustment equipments: Color Analyzer(CA-210 or CA-110),
DDC Adjustment Jig equipment, Service remote control.
7) Push the “IN STOP” key - For memory initialization.
3. Main PCB check process
* APC - After Manual-Insert, executing APC
* Boot file Download
1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
2) Set as below, and then click “Auto Detect” and check “OK”
message
If “Error” is displayed, Check connection between
computer, jig, and set.
3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
4) Click “Connect” tab. If “Can’t” is displayed, check
connection between computer, jig, and set.
5) Click “Auto” tab and set as below.
6) Click “Run”.
7) After downloading, check “OK” message.
* USB DOWNLOAD
1) Put the USB Stick to the USB socket.
2) Automatically detecting update file in USB Stick.
- If your downloaded program version in USB Stick is Low,
it didn’t work. But your downloaded version is High, USB
data is automatically detecting.
3) Show the message “Copying files from memory”.
In case of keeping module is in the circumstance of 0°C, it sh-
ould be placed in the circumstance of above 15°C for 2 hours.
In case of keeping module is in the circumstance of below -20°C,
it should be placed in the circumstance of above 15°C for 3 hours.
Case1 : Software version up
1. After downloading S/W by USB, TV set will reboot
automatically
2. Push “In-stop” key
3. Push “Power on” key
4. Function inspection
5. After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1. When TV set is entering on the assembly line, Push
“In-stop” key at first.
2. Push “Power on” key for turning it on.
-> If you push “Power on” key, TV set will recover
channel information by itself.
3. After function inspection, Push “In-stop” key.
filexxx.bin
(4)
(7)
.OK
(5)
(6)
(1)
fi lexxx.bin
(2)
(3)
Please Check the Speed :
To use speed between
To use speed between
from 200KHz to 400KHz
4) Updating is starting.
5) Uploading completed, The TV will restart automatically.
6) If your TV is turned on, check your updated version and
6) If your TV is turned on, check your updated version and
Tool option.(explain the Tool option, next stage)
* If downloading version is more high than your TV have,
TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
* After downloading, have to adjust Tool Option again.
1) Push "IN-START" key in service remote control.
2) Select “Tool Option 1” and Push “OK” key.
3) Punch in the number. (Each model has their number)
2) Select “Tool Option 1” and Push “OK” key.
3) Punch in the number. (Each model has their number)
4) Completed selecting Tool option.
3.1. ADC Process
(1) ADC
G
” key at “5. ADC
Calibration”
<Caution> Using ‘power on’ button of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
3.2. Function Check
* Check display and sound
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART1/SCART2/ CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60 hz)
5) HDMI
6) PC Audio In
* Display and Sound check is executed by Remote control.
2) AV (SCART1/SCART2/ CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60 hz)
5) HDMI
6) PC Audio In
* Display and Sound check is executed by Remote control.
- 10 -
No
Item CMD1 CMD2 Data0
Enter Adjust
Adjust
A
A
0
0
When transfer the ‘Mode In’,
Mode
‘Mode In’
Carry the command.
ADC adjust ADC Adjust
A
D
1
0
Automatically adjustment
(The use of a internal pattern)
Module Tool option1 Tool option2 Tool option3(AU,TS) Tool option4 Tool option5
10020
8714
55337
22LV2500
3100
16640
ADC Calibration
ADC Comp 480i
NG
ADC Comp 1080p
NG
ADC RGB
NG
Start
Reset
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. ADC Calibration
▶
7. White Balance
8. 10 Point WB
9. Test Pattern
10. EDID D/L
11. Sub B/C
12. V-Com
13. P-Gamma
- 11 -
4. White Balance Adjustment
4.1 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 means the panel is at its Full Dynamic R-
ange. 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±5 C
2) Warm-up time: About 5 Min
3) Surrounding Humidity: 20% ~ 80%
4. 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(Model:217, Pattern:78)
→ Only when internal pattern is not available
▪Color Analyzer Matrix should be calibrated using CS
-1000
4.3 Equipment connection MAP
Color Analyzer
Computer
Pattern Generator
※
※
If TV internal pattern is used, not
Signal Source
Probe
RS-
232C
RS-
232C
RS-
232C
RS-232C COMMAND
[CMD ID DATA]
[CMD ID DATA]
Explanation
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
End White Balance adj.
(internal pattern disappears )
(internal pattern disappears )
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
4.4 Adj. Command (Protocol)
<Command Format>
<Command Format>
START 6E A 50 A LEN A 03 A CMD
A 00 A VAL A CS A STOP
- 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]
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
▪RS-232C Command used during auto-adj.
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.
▪Adj. Map
Adj. item
Command
(lower caseASCII)
(lower caseASCII)
Data Range
(Hex.)
(Hex.)
Default
(Decimal)
(Decimal)
Details
CMD1
CMD2
MIN
MAX
R Gain
j
g
00
C0
TBD
G Gain
j
h
00
C0
TBD
B Gain
j
i
00
C0
TBD
R Cut
TBD
G Cut
TBD
Cool
B Cut
TBD
R Gain
j
a
00
C0
TBD
G Gain
j
b
00
C0
TBD
B Gain
j
c
00
C0
TBD
R Cut
TBD
G Cut
TBD
Medium
B Cut
TBD
R Gain
j
d
00
C0
TBD
G Gain
j
e
00
C0
TBD
B Gain
j
f
00
C0
TBD
R Cut
TBD
Warm
G Cut
TBD
4.5 Adj. method
4.5.1 Auto adj. method
4.5.1 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
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
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 .
- 12 -
4.5.2 Manual adj. method
1) Set TV in Adj. mode using POWER ON
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
EZ adjust using adj.
7. White-
Balance then press the cursor to the right (KEY). (When K-
EY() 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 7.White Balance, you can select one of 2
Testpattern: ON, OFF. Default is inner(ON). By selecting
OFF, you can adjust using RF signal in 216 Gray pattern.
▪
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.
2) Probe location
- PDP: Color Analyzer (CA-100, CA-100+, CA210)
probe should be firmly attached to the Module
- LCD: Color Analyzer (CA-210) probe should be within
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.
4.6 Reference (White Balance Adj. coordinate
and color temperature)
▪ Luminance: 216 Gray
[ Color Temperature ]
▪ LGD Edge LED Models
[ Color Temperature ]
▪ LGD Edge LED Models
Aging time
Cool(13000k)
Medium(9500k)
Warm(6500k)
(Min)
X(
±0.002)
y(
±0.002)
x(
±0.002)
y(
±0.002)
x(
±0.002)
y(
±0.002)
GP3
269
273
285
293
313
329
1
0-2
279
288
295
308
319
338
2
3-5
278
286
294
306
318
336
3
6-9
277
285
293
305
317
335
4
10-19
276
283
292
303
316
333
5
20-35
274
280
290
300
314
330
6
36-49
272
277
288
297
312
327
7
50-79
271
275
287
295
311
325
8
80-149
270
274
286
294
310
324
9
Over 150
269
273
285
293
309
323
▪
O/S Edge LED Models
Coordinate
Mode
x
y
Temp
△
uv
Cool
0.276(±0.002
)
0.283(±0.002
)
11000K
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
4.6.1 DDC EDID Write (RGB 128Byte )
■ Connect D-sub Signal Cable to D-Sub Jack.
■ Write EDID DATA to EEPROM (24C02) by using DDC2B
■ Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to
* For SVC main Ass’y, EDID have to be downloaded to
Insert Process in advance.
4.6.2 DDC EDID Write (HDMI 256Byte)
■ Connect HDMI Signal Cable to HDMI Jack.
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to
* For SVC main Ass’y, EDID have to be downloaded to
Insert Process in advance.
4.6. 3EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
4.6.4 Auto Download
1) After ener Service Mode by pushing “ADJ” key.
2) Enter EDID D/L menu.
3) Enter “START” by pushing “OK” key.
<Caution> Nerver connect HDMI && D-sub cable when EDID
downloaded
* Edid data and Model option download (RS232)
EZ ADJUT
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
10. V-Com
11. P-Gamma
EDID D/L
HDMI1
HDMI2
HDMI3
RGB
HDMI2
HDMI3
RGB
NG
NG
NG
NG
NG
NG
NG
Reset
Start
EDID D/L
Reset
Start
HDMI1
HDMI2
HDMI3
RGB
HDMI2
HDMI3
RGB
OK
OK
OK
OK
OK
OK
OK
NO
Item
CMD1 CMD2 Data0
Enter
Download
A
A
0
0
When transfer the ‘Mode In’,
download Mode
‘Mode In’
Carry the command.
EDID data and
Download
A
E
00 10 Automatically Download
Model option
(The use of a internal pattern)
download
Click on the first or last page to see other 22LV2500-CC (CHASSIS:LC01S) service manuals if exist.