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LGE Internal Use Only

Copyright  © 

 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

5.1.6. Reference 

           (White  Balance  Adj.  coordinate  and  color 

temperature)

▪ Luminance: 204 Gray, 80IRE

**(normal line) Model : For LGD (LB56xx, LB55xx)

▪  Standard  color  coordinate  and    temperature  using 

CA-210(CH-14) – by aging time 

H/R Time(Min)

Cool

Medium

Warm

x

y

x

x

y

x

271

270

286

289

313

329

1

0-2

281

285

296

304

323

344

2

3-5

280

284

295

303

322

343

3

6-9

279

282

294

301

321

341

4

10-19

277

279

292

288

319

338

5

20-35

275

275

290

294

317

334

6

36-49

273

273

288

292

315

332

7

50-79

272

272

287

291

314

331

8

80-119

271

270

286

289

313

329

9

Over 120

271

270

286

289

313

329

**(aging chamber) Model : For LGD (LB56xx, LB55xx)

▪  Standard  color  coordinate  and    temperature  using 

CA-210(CH-14) – by aging time

H/R Time(Min)

Cool

Medium

Warm

x

y

x

x

y

x

271

270

286

289

313

329

1

0-5

280 

285 

295

304

319

340

2

6-10

276 

280 

291 

299 

315 

335 

3

11-20

272 

275 

287 

294 

311 

330 

4

21-30

269 

272 

284 

291 

308 

327 

5

31-40

267 

268 

282 

287 

306 

323 

6

41-50

266 

265 

281 

284 

305 

320 

7

51-80

265 

263 

280 

282 

304 

318 

8

81-119

264 

261 

279 

280 

303 

316 

9

Over 120

264 

260 

279 

279 

303 

315 

** For INX,AUO,SHARP,CSOT Module.( In the case of , the color 

temperature spec of cool mode is 13000K)

H/R Time(Min)

Cool

Medium

Warm

x

y

x

x

y

x

spec

271

270

286

289

313

329

329

target

276

277

291

296

318

336

340

5.2. Option selection per country

5.2.1. Overview

(1)  Tool option selection is only done for models in Non-USA 

North America due to rating

(2)  Applied  model:  LA32B  Chassis  applied  to  CANADA  and 

MEXICO

5.2.2. Country Group selection

(1)  Press ADJ  key  on  the Adj.  R/C,  and  then  select  Country 

Group Menu

(2)  Depending  on  destination,  select  US,  then  on  the  lower 

Country option, select US, CA, MX.

     Selection is done using +, - KEY

(3) Using DFT(Auto)

  PC  (for  communication  through  RS-232C)  ->  UART  Baud 

rate : 115200 bps

Command : ah 00 00 DATA(Area Number(hexadecimal))

ITEM

DATA(Area Number)

AREA

AREA OPTION1

0

USA

1

CANADA

2

MEXICO

5.2.3. Tool Option inspection

▪ Press Adj. key on the Adj. R/C, then select Tool option

Model

Module

Tool 

option1

Tool 

option2

Tool 

option3

Tool 

option4

32LB550B-UZ

LGD

784

13314

41036

20544

32LB560B-UZ

SHARP

13074

9218

41036

20544

32LB550B-UZ

SHARP

13074

13314

41036

20544

42LB5500-UZ

LGD

1552

5126

41036

24640

42LB5500-UZ

AUO

9744

5126

41036

24640

42LB5600-UZ

LGD

1552

1030

41036

24640

42LB5600-UZ

AUO

9744

1030

41036

24640

39LB5600-UZ

INX

17682

1030

41036

24640

49LB5500-UZ

LGD

2064

5126

41036

24640

55LB5500-UZ

LGD

2576

5126

41036

24640

55LB5500-UZ

BOE

23058

5126

41036

24640

32LB550B-UZ

BOE

21266

13314

41036

24640

32LB5600-UZ

LGD

784

1026

41036

24640

32LB560B-UZ

LGD

784

9218

41036

20544

 Tool option can be reconstructed by Software

5.3. 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

Содержание 55LB5500

Страница 1: ...500 55LB5550 55LB5500 UZ 55LB5550 UY CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ... LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 16 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed m...

Страница 4: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent...

Страница 5: ...he solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replace...

Страница 6: ...arts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification 4 General Specification No Item Specification Result Remark 1 Receiving System 1 ATSC ...

Страница 7: ...5LB5500 UZ 9 Operating Environment 1 Temp 0 40 deg 2 Humidity 80 10 Storage Environment 1 Temp 20 60 deg 2 Humidity 85 5 Supported video resolutions 5 1 Component input Y CB PB CR PR No Resolution H freq kHz V freq kHz Pixel clock Proposed 1 720 480 15 73 59 94 13 50 SDTV DVD 480I 2 720 480 15 73 60 00 13 5135 SDTV DVD 480I 3 720 480 31 47 59 94 27 00 SDTV 480P 4 720 480 31 50 60 00 27 027 SDTV 48...

Страница 8: ...60 00 74 25 HDTV 1080I 9 1920 1080 26 97 23 976 74 176 HDTV 1080P 10 1920 1080 27 00 24 00 74 25 HDTV 1080P 11 1920 1080 33 71 29 97 74 176 HDTV 1080P 12 1920 1080 33 75 30 00 74 25 HDTV 1080P 13 1920 1080 67 432 59 94 148 352 HDTV 1080P 14 1920 1080 67 50 60 00 148 50 HDTV 1080P PC DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 ...

Страница 9: ...d for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Adjustment items 3 1 Main PCBA Adjustments 1 ADC adjustment ADC adjustment is OTP Auto ADC 2 EDID download HDMI Above adjustment items can be also performed in Final Assembly if needed Both Board level and Final assembl...

Страница 10: ...E 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 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30 50 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 60 3E 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 E7 EDID Block 1 Bytes 128 255 80H FFH 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03...

Страница 11: ...20 E0 2D 10 10 3E 96 00 40 84 63 00 00 60 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F8 4 2 5 2 AC3 EDID Data 4 2 5 2 1 FHD Model HDMI 1 FHD 8BIT C S E796 EDID Block 0 Bytes 0 127 00H 7FH 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 18 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40...

Страница 12: ...7 8 9 A B C D E F 0 02 03 1C F1 48 10 22 20 05 84 03 02 01 26 15 07 10 50 09 57 07 67 03 0C 00 20 00 80 1E 02 3A 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 40 84 60 63 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00...

Страница 13: ...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 key EZ adjust using adj R C 6 White Balance then press the cursor to the right KEY When KEY is pressed 204 Gray 80IRE internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the re...

Страница 14: ...13 329 329 target 276 277 291 296 318 336 340 5 2 Option selection per country 5 2 1 Overview 1 Tool option selection is only done for models in Non USA North America due to rating 2 Applied model LA32B Chassis applied to CANADA and MEXICO 5 2 2 Country Group selection 1 Press ADJ key on the Adj R C and then select Country Group Menu 2 Depending on destination select US then on the lower Country o...

Страница 15: ...ecification No Item Min Typ Max Unit Remark 1 Audio practical max Output L R Distortion 10 max Output 4 5 6 0 5 0 6 3 6 0 6 9 W Vrms 1 Measurement condition EQ AVL Clear Voice Off 2 Speaker 8Ω Impedance LB55 Series 9 0 8 5 10 9 9 3 12 0 9 8 W Vrms 1 Measurement condition EQ AVL Clear Voice Off 2 Speaker 8Ω Impedance LB56 Series USB S W Download option Service only 1 Put the USB Stick to the USB so...

Страница 16: ...ar IC101 or Main board Check Multi Voltage P401 9 10pin 24V 13 14 15pin 12V Replace Power Board Check DRV ON Control P401 2 pin High Check Power Board Check IC402 3 4 Output Voltage IC402 2 5V IC403 1 5V IC404 1 15V Q403 3 3V Replace IC402 IC403 IC404 Q403 Re download software Check stand by Voltage L401 L404 3 5V Replace L401 L404 Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Ou...

Страница 17: ... pin 1 8V Check IF_P N Signal TU3700 10 11 Pin Replace IC3703 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok No No No No Bad Tuner Replace Tuner 3 AV Video Check inputsignal format Is it supported Check AV Cable for damage for damage or open conductor Check JK1701 CVBS Signal Line R1707 ok ok ok No Replace Jack ok Check CVBS_DETSignal Replace R1713 No Check Mstar LVDS Output...

Страница 18: ...o Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No 5 HDMI Video Check inputsignal format Is it supported Check HDMICable conductors for damage or open conductor Check EDID R810 R811 R815 R816 I2C Signal Check JK800 JK801 ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check HDMISignal Check other set If no problem check signal line ok No Check Mstar ...

Страница 19: ... MHL Cable conductors for damage or open conductor Check MHL Signal R214 R215 Check JK801 ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check MHL Signal Check other set If no problem check signal line ok No Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No Replace Main Board No Check CD_Sense Cbus Vbus No Replace R817 C800 ...

Страница 20: ... ok No Check Connector P5600 Replace connector if found to be damaged ok No Check speaker resistance and connector damage Replace speaker ok No Off Toggle the Menu Check AMP IC IC5600 Power 24V 3 3V No Replace Amp IC IC5600 Check Mstar I2S Output IC5600 20 21 22 Pin No Check signal line Or replace Mstar IC101 Check Mstar AUDIO_MASTER_CLK R148 No Replace Mstar IC101 or Main Board ok Check AMP I2C L...

Страница 21: ...wer IC3703 2 pin 1 8V Check IF_P N Signal TU3700 10 11 Pin Replace IC3703 ok ok ok No No No Bad Tuner Replace Tuner 9 AV Audio Check AV Cable for damage for damage or open conductor Check JK1702 Signal Line R1714 R1715 ok ok No Replace Jack Follow procedure 7 All source audio trouble shooting guide 10 Component Audio Check Component Cable for damage or open conductor Check JK1702 Signal Line R1714...

Страница 22: ...ck DEMOD X tal 24MHz Serial Flash 8M x 8bit DDR2 64Mbit IF AV COMP Hybrid Y CVBS Cb Cr AV COMP DVI L R L R HDMI TMDS DDC Video Front End Audio Front End HDMI RX LVDS out HD FHD HD SD Video Encoder TAS5733 Digital AMP I2S MCLK Audio DSP H P out L R UART RX TX Air Cable On board USB USB2 0 LVDS Con HD FHD IF ATSC Analog Demod IF NTSC EEPROM 64K x 8bit H P SPDIF ...

Страница 23: ...stics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 200 820 410 530 540 521 350 900 121 120 400 LV1 A2 A10 ...

Страница 24: ...B_ODD 1 LVA4 LLV6 69 B_ODD 2 LVA3 LLV5 70 B_ODD 3 LVA3 LLV5 71 B_ODD 4 LVACLK LLV4 72 B_ODD 5 LVACLK LLV4 73 B_ODD 6 LVA2 LLV3 CLK 74 B_ODD 7 LVA2 LLV3 CLK 75 G_ODD 0 LVA1 LLV2 EPI0 76 G_ODD 1 LVA1 LLV2 EPI0 77 G_ODD 2 LVA0 LLV1 EPI1 78 G_ODD 3 LVA0 LLV1 EPI1 79 G_ODD 4 LVB4 LLV0 EPI2 80 G_ODD 5 LVB4 LLV0 EPI2 81 G_ODD 6 LVB3 RLV6 EPI3 82 G_ODD 7 LVB3 RLV6 EPI3 83 R_ODD 0 LVBCLK RLV5 EPI4 84 R_ODD...

Страница 25: ...0uF 16V C202 10uF 10V C227 22uF 16V R224 15K C212 100pF 50V OPT MHL_OCP_DET R222 100K C218 0 047uF 25V R218 4 7K OPT C223 82pF 50V USB1_OCD 5V_USB C213 4700pF 50V R226 10 5V_NORMAL AVDD_5V_MHL D200 30V MBR230LSFT1G MHL_5V_EN R220 4 7K C216 10uF 16V 5V_HDMI R221 0 OPT 3 3V_NORMAL USB1_CTL R227 3 3K 1 R225 100K OPT TPS65282REGR IC201 1 EN 3 SS 7 FAULT2 9 SW_OUT2 10 RLIM 11 AGND 12 SW_OUT1 13 SW_IN_1...

Страница 26: ...12 18K 1 R315 470 SPK_R 24V_AMP IC300 TAS5733 1 OUT_A 2 PVDD_AB_1 3 PVDD_AB_2 4 BST_A 5 NC_1 6 SSTIMER 7 NC_2 8 PBTL 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 A_SEL_FAULT 15 MCLK 16 OSC_RES 17 DVSSO 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS 29 GND 30 AGND 31 VREG 32 GVDD_OUT 33 BST_D 34 PVDD_CD_1 35 PVDD_CD_2 36 OUT_D 37 PGND_CD_1 38 PGND_C...

Страница 27: ... D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK DDC_SDA_2 VR408 OPT 5V_DET_HDMI_2 VR404 OPT D1 _HDMI2 DDC_SCL_2 D0 _HDMI2 D2 _HDMI2 HPD2 D0 _HDMI2 D2 _HDMI2 CK _HDMI2 VR412 OPT VR411 OPT D400 RCLAMP0502BA OPT C413 5pF 50V OPT C414 5pF 50V OPT R413 2 7K R411 2 7K R414 4 7K R415 4 7K VR402 OPT VR400 OPT MHL_CD_SENSE VR410 OPT R418 300K C416 0 047uF 25V D401 MMBD6100 A2 C A1 5V_NORMAL ...

Страница 28: ...AGC_MAIN IF_P_MSTAR IF_N_MSTAR C504 15pF 50V C501 15pF 50V C500 100pF 50V 3 3V_TU C503 0 1uF 16V TU500 TDSS H701F 5 B1 3 3V 11 DIF N 2 NC_2 10 DIF P 4 SDA 1 NC_1 9 IF_AGC 8 NC_5 3 SCL 7 NC_4 6 NC_3 12 SHIELD A1 A1 B1 B1 AR500 33 1 16W R501 33 1 16W 5 R500 33 1 16W 5 L500 PZ1608U121 2R0TF L14 NON OS 2013 08 13 TUNER 3 3V_NORMAL 3 3V_TU TUNER for ATSC W O Isolator close to the tuner pin Close to the...

Страница 29: ......

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