LG 26LV2500-DA (CHASSIS:LT01T) Service Manual ▷ View online
- 9 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LT01T/U/S chassis.
LT01T/U/S 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.
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)
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard
5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25±5ºC
Relative humidity : 65±10%
Input voltage : 220V, 60Hz
Relative humidity : 65±10%
Input voltage : 220V, 60Hz
Caution) When still image is displayed for a period of 20
minutes or longer, there can some afterimage in
the black level area.
the black level area.
6) Adjustment equipments : Color Analyzer (CA-210 or CA-
110), DDC Adjustment Jig equipment, SVC remote
controller.
controller.
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..
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.
(6) Click “Run”.
(7) After downloading, check “OK” message.
filexxx.bin
(7)
(5)
(8) ……….OK
(6)
(1)
(3)
(2)
OK
Please Check the Speed :
To use speed between
from 200KHz to 400KHz
(4)
filexxx.bin
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 “I n-stop” key.
3. Push “Power on” key
4. Function inspection
5. After function inspection, Push “I n-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.
The receiver must be operated for about 5 minutes prior
to the adjustment when module is in the circumstance of
over 15°C
In case of keeping module is in the circumstance of 0°C,
it should 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,.
to the adjustment when module is in the circumstance of
over 15°C
In case of keeping module is in the circumstance of 0°C,
it should 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,.
- 10 -
* USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
(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
data is automatically detecting
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) After updating is complete, The TV will restart automatically.
(6) If TV turns on, check your updated version and Tool
(6) If TV turns on, check your updated version and Tool
option. (refer to the next page about tool option)
* If downloading version is higher 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 controller.
2. Select "Tool Option 1" and Push “OK” button.
3. Punch in the number. (Each model has their number.)
2. Select "Tool Option 1" and Push “OK” button.
3. Punch in the number. (Each model has their number.)
4. Completed selecting Tool option.
3.1. ADC Process
G
” key at “6. ADC
Calibration”
* Caution: Using ‘power on’ button of the Adj. R/C, 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 (1024x768)]
• ad 00 10
[Adjust 1024x768 RGB]
• aa 00 90
[End Adjust Mode]
* Required equipment : Adjustment R/C
Model
Tool option1 Tool option2 Tool option3 Tool option4 Tool option5
47LW4500-DA_LGD 34720
19466
55337
27032
8448
42LW4500-DA_LGD 26528
19466
55337
27032
8448
47LV4500-DA_LGD 34688 19478 55337
26904
8448
42LV4500-DA_LGD 26496 19478 55337
26904
8448
47LV3500-DA_LGD 34656 19478 55337
26904
256
42LV3500-DA_CMI 26468 19478 55337
26904
352
42LV3500-DA_AUO 26472
19478
55337
26904
352
42LV3500-DA_LGD 26464 19478 55337
26904
288
37LV3500-DA_LGD 22368 19478 55337
26904
288
37LV3500-DA_AUO 22376
19478
55337
26904
352
32LV3500-DA_LGD
18272 19478 55337 26904 288
32LV3500-DA_AUO
18280 19478 55337 26904 352
42LV3400-DA_LGD
26592 9226 53289 26904 288
i
TV Software Upgrade
Upgrading...
Do not plug off!
63%
i
TV Software Upgrade
Upgrading COMPLETED
The TV will restart after seconds.
100%
i
TV Software Upgrade
Copying files from memory
Do not remove the memory card from the pc
Do not plug off!
No.
Item
CMD1
CMD2
Data0
1
Enter Adjust Mode
A
A
0
0
2 ADC
Adjust
A
D
0
0
32LV3400-DA_LGD
18400 9226 53289 26904 288
32LV2500-DA_CMI
18212 19478 55337 26904 352
32LV2500-DA_LGD
18208 19478 55337 26904 288
32LV2500-DA_AUO
18216 19478 55337 26904 352
26LV2500-DA_LGD
14112 8714 55337 26904 288
42LK450-DA_LGD
26240 18966 55305 26904 258
37LK450-DA_LGD
22144 18966 55305 26904 258
32LK450-DA_AUO
18056 18966 55305 26904 290
32LK450-DA_LGD
18048 18966 55305 26904 290
32LK330-DB_IPS
18000 18966 51209 26904 290
32LK330-DB_LGD
17984 18966 51209 26904 290
26LK330-DB_AUO
13896 18966 51209 26904 290
22LK330-DB_CMI 9796 18966 51209 26904
256
22LV2500-DA_AUO
10024 8714 55337 26904 288
22LV2500-DA_CMI
10020 8714 55337 26904 288
19LV2500-DA_AUO
5928 8714 55337 26904 288
- 11 -
3.2. Function Check
(1) Check display and sound
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI
6) PC Audio In
* Display and sound check is executed by remote control.
2) AV (CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI
6) PC Audio In
* Display and sound check is executed by remote control.
* Caution :Not to push the INSTOP KEY after completion
if the function inspection.
4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (85IRE)
· Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
4.1.1. Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out
4.1.2. Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(80~100°).
Module and Color Analyzer’s Prove vertically.(80~100°).
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 15minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others, check
the back light on.
4.1.3. Auto adjustment Map (RS-232C)
RS-232C COMMAND
[ CMD ID DATA ]
[ CMD ID DATA ]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
Wb 00 ff White Balance End
** Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0. (when R/G/B Gain are all C0, it
is the FULL Dynamic Range of Module)
is the FULL Dynamic Range of Module)
*Manual W/B process using adjusts Remote control.
•After enter Service Mode by pushing “ADJ” key,
•Enter White Balance by pushing “
•After enter Service Mode by pushing “ADJ” key,
•Enter White Balance by pushing “
G
” key at “7. White Balance”.
# After You finish all adjustments, Press “In-start” button and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory JIG model.
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory JIG model.
# Push The “IN STOP KEY” after completing the function
inspection. And Mechanical Power Switch must be set
“ON”.
“ON”.
Cool 13,000k
ºK
X=0.269(±0.002)
All
Y=0.273(±0.002)
<Test Signal>
Medium 9,300k
ºK
X=0.285(±0.002)
Inner pattern
Y=0.293(±0.002)
(216gray,85IRE)
Warm
6,500k
ºK
X=0.313(±0.002)
Y=0.329(±0.002)
Cool 9,300k
ºK
X=0.285(±0.002)
Only 22LD350
Y=0.293(±0.002)
<Test Signal>
Medium 8,000k
ºK
X=0.295(±0.002)
Inner pattern
Y=0.305(±0.002)
(216gray,85IRE)
Warm
6,500k
ºK
X=0.313(±0.002)
Y=0.329(±0.002)
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
ANALYZER
TYPE: CA-210
RS-232C Communication
CA-210
RS-232C COMMAND MIN
CENTER
MAX
[CMD ID DATA]
(DEFAULT)
Cool
Mid
Warm
Cool
Mid
Warm
R Gain
jg
Ja
jd
00
172
192
192
255
G Gain
jh
Jb
je
00
172
192
192
255
B Gain
ji
Jc
jf
00
192
192
172
255
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
- 12 -
4.2. 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 Insert
* For SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.3 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 Insert
* For SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.4 EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- Auto Download
· After enter Service Mode by Pushing “ADJ” key
· Enter EDID D/L mode.
· Enter “START’ by pushing “OK” key.
HDMI number is dependent on model.
· Enter EDID D/L mode.
· Enter “START’ by pushing “OK” key.
HDMI number is dependent on model.
- Manual Download
* Caution
1) Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
- Digital EDID : Pin3 exists
2) Nerver connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2 separately because each data is
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2 separately because each data is
different.
(1) FHD RGB EDID Data (CS : 1C)
(2) FHD HDMI 1 EDID Data (CS : E299)
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital : 3
Data(Hex)
1E6D
01
03
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