LG 26LU30D (CHASSIS:LD01B) Service Manual ▷ View online
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LED LCD TV
with LC01B 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, Factory SVC remocon.
7) Push The “IN STOP” KEY - For memory initialization.
3. Main PCB check process
* APC - After Manual-Insult, 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”
filexxx.bin
(7) ……….OK
(5)
(6)
(3）
fi lexxx.bin
(4）
(1)
Please Check the Speed :
To use speed between
from 200KHz to 400KHz
（2）
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.
4) Updating is staring.
5) Uploading completed, The TV will restart automatically.
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.
* 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 hax their number)
3.1. ADC Process
(1) ADC
- Enter ‘EZ ADJUST’ Mode by pushing “ADJ” key,
- Enter ADC Calibration mode by pushing ‘OK’ or
‘ ’ key after selecting ‘6.ADC Calibration’
<Caution>：Turn on TV by pushing ‘POWER’ or ‘P-ONLY’
key.
* 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 R/C.
3.2. Function Check
* Check display and sound
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV 1/2
3) COMPONENT1/2 (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI1/2/3
6) PC Audio In
* Display and Sound check is executed by remocon.
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Module Tool option1 Tool option2 Tool option3 Tool option4 Tool optin5
LGD 12288 10762 3076 14604 33
4) Completed selecting Tool option.
Item
CMD1 CMD2 Data0
A
A
0 0 When transfer the ‘Mode In’,
Carry the command.
ADC Adjust
A
D
1 0 Automatically adjustment
(The use of a internal pattern)
Adjust MODE
Enter
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
ADC Calibration
ADC Comp 480i
NG
ADC Comp 1080p
NG
ADC RGB
NG
Start
Reset
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)
* 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.
* Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10 lux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10 cm distance, keep it with the surface of the
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 5 minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others,
check the back light on.
• Auto adjustment Map(RS-232C)
** 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)
* Manual W/B process using adjusts Remote control.
• Enter ‘EZ ADJUST’ mode by pushing “ADJ” key,
• Enter White Balance by pushing “
OK
” or ‘ ’ key after ‘7.White
Balance’.
* After done 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.
* Push the “IN STOP” key after completing the function
inspection.
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
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Assembly, 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
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.4. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
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Cool 11,000k K
X=0.276(±0.002)
Y=0.283(±0.002)
Y=0.283(±0.002)
<Test Signal>
Medium 9,300k
K
X=0.285(±0.002)
Inner pattern
Y=0.293(±0.002)
(216gray,85IRE)
Warm
6,500k
K
X=0.313(±0.002)
Y=0.329(±0.002)
Y=0.329(±0.002)
Full White Pattern
COLOR
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
192
G Gain
jh
Jb
je
00
172 192
192
192
B Gain
ji
Jc
jf
00
192 192
172 192
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
- Auto Download
• Enter ‘EZ ADJUST’ mode by pushing “ADJ” key,
• Select and enter ‘10.EDID D/L’ mode.
• Select ‘START’ by pushing “OK” key.
* Edid data and Model option download (RS232)
- Manual Download
* Caution
1) Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing
4) Download HDMI1, HDMI2, separately because HDMI1 is
different from HDMI2
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Item
CMD1 CMD2 Data0
Download
A
A
0 0 When transfer the ‘Mode In’,
Download
A
E
00 10 Automatically Download
(The use of a internal pattern)
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
‘Mode in’
Carry the command.
4.5. V-COM Adjust(Only LGD(M+S) Module)
- Why need Vcom adjustment?
The Vcom (Common Voltage) is a Reference Voltage of
Liquid Crystal Driving.
-> Liquid Crystal need for Polarity Change with every frame.
- Adjust sequence(Method 1)
· Push ‘PIP’ key.
If there is flicker at default value, turn down or turn up until
no flicker, push ‘OK’ key to store.
Push ‘Exit’ key to exit.
· Enter ‘EZ ADJUST’mode by pushing ‘ADJ’ key.
Select and enter ‘12.V-Com’ mode.
· If there is flicker at default value, turn down or turn up until
no flicker, push ‘OK’ key to store.
· Push ‘Exit’ key to exit.
4.6. Outgoing condition Configuration
-Push ‘IN STOP’ key, then in-stop processing will start.
If processing is cmplete,TV will turn off automatically.
(Must not AC power OFF during blinking processing)
Confirm whether is normal or not when between power
board’s ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second.
- Adjust sequence(Method 2)
·
V-Com
V-COM
◀
425
▶
Press (⊙) to save.
Row Lin e
Colu mn Lin e
C
LC
C
ST
Pan e l
S
Y
S
T
E
Y
S
T
E
M
Source Drive IC
Gate Drive IC
Circuit Block
Tim in g
Co nt ro lle r
Co nt ro lle r
Po w er
Block
V
COM
G a mma
Re fe re nce V o ltage
Re fe re nce V o ltage
Gamm
a R eference
Vo ltag e
Da ta(R ,G ,B) & Co n trol signal
Con tro l sig n al
D ata(R ,G,B ) &
Con tro l sig n al
Con tro l sig n al
I
n
te
r
fa
c
e
TF T
Po w e r In p u t
Power Input
Da ta In p u t
Da ta In p u t
V
CO M
Liquid
Cr ys tal
Cr ys tal
V
COM
·
·
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
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