DOWNLOAD LG 55LM4610 / 55LM4650 (CHASSIS:LB21B) Service Manual ↓ Size: 5.03 MB | Pages: 44 in PDF or view online for FREE

- 9 -

This specification sheet is applied to all of the LED LCD TV 

with LB21B chassis.

(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 °C ± 5 °C

  Relative humidity : 65 ± 10 %

  Input voltage : 220 V, 60 Hz

(6)  Adjustment equipments: Color Analyzer(CA-210 or CA-110), 

DDC Adjustment Jig, Service remote control.

(7) Push the "IN STOP" key - For memory initialization.

▪ APC - After Manual-Insert, executing APC

(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.

(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.

Please Check the Speed :

To use speed between

from 200KHz to 400KHz

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.

- 10 -

(3) Show the message "Copying files from memory".

(4) Updating is starting.

(5) Updating 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 control.

(2) Select "Tool Option 1" and push "OK" key.

(3) Punch in the number. (Each model has their number)

(1) ADC

- Enter Service Mode by pushing "ADJ" key,

Calibration".

<Caution>  Using  "power  on"  key  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.

▪ Play file: Serial.exe

▪ MAC Address edit

▪ Input Start / End MAC address 

(1) Communication Prot connection

Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port

(2) MAC Address Download, Whidevine Download

▪ Com 1,2,3,4 and 115200(Baud rate)

lGhkq|z{

WUG{––“Gv—›–•X

XUG{––“Gv—›–•YG

YUG{––“Gv—›–•ZG

ZUG{––“Gv—›–•[G

[UG{––“Gv—›–•\G

\UGj–œ•›™ Gn™–œ—G

]UGhkjGjˆ“‰™ˆ›–•G

ඖ

^UG~›ŒGiˆ“ˆ•ŠŒG

_UGXWGw–•›G~iG

`UG{Œš›Gwˆ››Œ™•G

XWUGlkpkGkVsG

XXUGzœ‰GiVjG

XYUG{–œŠGzŒ•š›› GzŒ››•ŽG

XZUlŸ›UGp•—œ›Gh‹‘œš›G

G

hkjGjˆ“‰™ˆ›–•

hkjGj–”—G[_W

un

hkjGj–”—GXW_W—

un

hkjGyni

un

z›ˆ™›

yŒšŒ›

NO

Item

CMD 1 CMD 2 Data 0

Enter

Adjust MODE

Adjust 

‘Mode In’

A

A

0

0

When transfer the  ‘Mode In’, 

Carry the command.

ADC adjust

ADC Adjust

A

D

1

0

Automatically adjustment

(The use of a internal pattern)

- 11 -

▪ Each other connection to LAN Port of IP Hub and Jig

▪ LAN Port connection with PCB
▪ Network setting at MENU Mode of TV
▪ Setting automatic IP
▪ Setting state confirmation

->  If  automatic  setting  is  finished,  you  confirm  IP  and  MAC 

Address.

Connect SET -> LAN port == PC -> LAN Port

(1) Play the LAN Port Test PROGRAM.

(2) Input IP set up for an inspection to Test Program.

*IP Number : 12.12.2.2

(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.

* Check display and sound

- Check Input and Signal items. (cf. work instructions)

1) TV

2) AV 

3) COMPONENT (480i)

4) RGB (PC : 1024 x 768 @ 60hz)

5) HDMI

* Display and Sound check is executed by Remote control.

<Caution> 

Not to push the INSTOP key after completion if the function 

inspection.

▪ W/B Equipment condition

CA210

: CCFL/EEFL -> CH9, Test signal: Inner pattern(80IRE)

  LED -> CH14, Test signal: Inner pattern(80IRE)

▪  Above 5 minutes H/run in the inner pattern. ("power on" key 

of Adjustment remote control)(Only EEFL)

▪  Edge  LED  W/B Table  in  process  of  aging  time  (Only  LGD 

Edge LED Module except AUO, CMI, IPS Module)

*  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.

(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 'POWER ONLY' or the others, check 

the back light on.

Full White Pattern

CA-210

COLOR

ANALYZER

TYPE : CA-210

RS-232C Communication

SET

PC

Cool

13,000 K X=0.269 (±0.002)

Y=0.273 (±0.002)

<Test Signal>
Inner pattern
(204gray,80IRE)

Medium

9,300 K X=0.285 (±0.002)

Y=0.293 (±0.002)

Warm

6,500 K X=0.313 (±0.002)

Y=0.329 (±0.002)

S7LR2

Aging 

time

(Min)

Cool

Medium

Warm

X

y

x

y

x

y

269

273

285

293

313

329

1

0-2

280

287

296

307

320

337

2

3-5

279

285

295

305

319

335

3

6-9

277

284

293

304

317

334

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

80-119

270

274

286

294

310

324

9

Over 120

269

273

285

293

309

323

- 12 -

▪ Auto adjustment Map(RS-232C)

RS-232C COMMAND

[CMD  ID  DATA]

  Wb 

00  00 

White Balance Start

  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)

▪ After enter Service Mode by pushing "ADJ" key,

▪  Enter  White  Balance  by  pushing  "►"  key  at  "6.  White 

Balance".

*  After you finished all adjustments, Press "In-start" key 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.

(1) All Data : HEXA Value

(2) Changeable Data :

*: Serial No : Controlled / Data:01

**: Month : Controlled / Data:00

***: Year : Controlled

****: Check sum

▪ After enter Service Mode by pushing "ADJ" key.

▪ Enter EDID D/L menu.

▪ Enter "START" by pushing "OK" key.

<Caution>  Never  connect  HDMI  &&  D-sub  cable  when  EDID 

downloaded.

*  CS460, LS3400, LS3500 and LM3400 series have only one 

HDMI.

* EDID data and Model option download (RS232)

(1) 3D FHD RGB EDID data 

RS-232C COMMAND

[CMD ID DATA]

MIN

CENTER

(DEFAULT)

MAX

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

EZ ADJUT

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. Touch Sensitivity setting

13. Ext. Input Adjust

EDID D/L

HDMI1

HDMI2

HDMI3

RGB

NG

NG

NG

NG

Reset

Start

EDID D/L

Reset

Start

HDMI1

HDMI2

HDMI3

RGB

OK

OK

OK

OK

NO

Item

CMD 1 CMD 2 Data 0

Enter download

MODE

Download

‘Mode In’

A

A

0

0 When transfer the ‘Mode 

In’, Carry the command.

EDID data and

Model option

download

Download

A

E

00 10

Automatically download

(The use of a internal 

data)

No.

Item

Condition

Hex Data

1

Manufacturer ID

GSM

1E6D

2

Version

Digital : 1

01

3

Revision

Digital : 3

03

3D

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

A

B

10

C

01 03 68 A0 5A 78 0A EE 91 A3 54 4C 99 26

20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
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 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20

D

70

D

00

E

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. Touch Sensitivity Setting
13. Ext. Input Adjust

White Balance

Color Temp.

R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern
Backlight
Reset

Cool

172
172
192

64
64
64

ON

100

To Set