LG 47LB5610 Service Manual Download

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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

2013.08.27

TUNER_EU

L14_M1A

FE_TS_DATA[5]

FE_TS_DATA[6]

FE_TS_DATA[7]

FE_TS_DATA[0]

FE_TS_DATA[2]

FE_TS_DATA[3]

FE_TS_DATA[4]

FE_TS_DATA[1]

TU_CVBS

C3706
0.1uF

16V

TU_SIF

Q3701

MMBT3906(NXP)

CHINA

R3739-*1

MLG1005SR27JT

TU_I2C_FILTER

+3.3V_LNA

FE_TS_DATA[0-7]

AR3702-*1 47

CHINA

C3727
0.1uF
16V

T2_OR_CHINA

C3718
100pF
50V

T2_OR_CHINA

+3.3V_TU

+3.3V_DEMOD

TU_GND_B

FE_TS_VAL_ERR

C3731
0.1uF
16V

FE_TS_CLK

C3705
20pF
TU_NON_ATSC

C3724

0.1uF

16V

T2_OR_CHINA

+3.3V_DEMOD

Q3700

MMBT3906(NXP)

CHINA

LNB_TX

C3723
0.1uF
16V

T2_OR_CHINA

FE_TS_ERR

C3722

0.1uF
16V

T2_OR_CHINA

+3.3V_TU

C3710
20pF

TU_NON_ATSC

C3726

0.1uF
16V

CHINA

DEMOD_SDA

FE_TS_VAL

+3.3V_Normal

AR3701-*1 47

CHINA

R3838-*1

MLG1005SR27JT

TU_I2C_FILTER

TU_SDA

FE_TS_ERR

AR3700-*1 47

CHINA

C3729

0.1uF

16V

T2_OR_CHINA

LNB_OUT

+3.3V_TU

IF_AGC_MAIN

IF_P_MSTAR

TU_SCL

C3732
0.1uF

16V

T2_OR_CHINA

DEMOD_SCL

C3703

0.1uF

16V
IF_AGC

FE_TS_VAL

C3733
22uF
10V

IF_N_MSTAR

FE_TS_SYNC

C3708
100pF
50V

C3721
100pF
50V

T2_OR_CHINA

+3.3V_TU

C3707
20pF
TU_NON_ATSC

TU_GND_B

+3.3V_TU

C3716
0.1uF
16V

T2_OR_CHINA

L3702

BLM18PG121SN1D

T2_OR_CHINA

C3730
22uF
10V

C3738
0.1uF
16V

C3711
20pF

TU_NON_ATSC

DEMOD_RESET

+1.2V_DEMOD

C3737
10uF
10V

T2_OR_CHINA

C3734
10uF
10V

T2_OR_CHINA

TU_GND_B

AR3700
0
1/16W

AR3701
0
1/16W

AR3702
0
1/16W

C3701
1000pF
630V

CHINA

L3704

UBW2012-121F

L3701

UBW2012-121F

C3739
22uF
10V

+3.3V_TU

C3714
0.1uF

16V

C3702
20pF
50V

T2_OR_CHINA

C3704

20pF

50V

T2_OR_CHINA

C3713

100pF

50V

T2_OR_CHINA

+1.2V_DEMOD

+3.3V_LNA

R3711

T2_OR_CHINA

R3719

T2_OR_CHINA

R3732
220

CHINA

R3716

TU_NON_ATSC

R3724

4.7K

CHINA

R3712

T2_OR_CHINA

R3731

OPT

R3739

TU_I2C_NON_FILTER

R3714

0
IF_AGC

R3723

3.3K

T2_OR_CHINA

R3738

TU_I2C_NON_FILTER

R3725

470

CHINA

R3736

T2_OR_CHINA

R3726

OPT

R3734
22K
1%

T2_OR_CHINA

R3735

220

CHINA

R3728
82

CHINA

R3717

TU_NON_ATSC

R3709

TU_NON_ATSC_NON_CHINA

R3710

TU_NON_ATSC_NON_CHINA

R3737

T2_OR_CHINA

C2603
0.1uF
16V

RF_SW_OPT

R2603

RF_SW_OPT

RF_SWITCH_CTL

R3733

12K

T2_OR_CHINA

C3725
1uF
10V

T2_OR_CHINA

R3707

C3709

0.1uF

50V
T2_OR_CHINA

TU_GND_B

C3712
1000pF
630V

CHINA

TU_GND_A

R3720

NON_CHINA

R3708

NON_CHINA

R3718

NON_CHINA

R3721

NON_CHINA

R3713

NON_CHINA

R3715

NON_CHINA

IC3701

AP7361-Y-13

T2_OR_CHINA

ADJ/NC

GND

OUT

TDJH-G101D

TU3700

TUNER_T/C

SHIELD

IF[P]

IF[N]

NC_2

NC_3

B1[+3.3V]

NC_1

IF_AGC

SCL

SDA

TU3701

TDJM-G101D

TUNER_T2/C/S2

B1[+3.3V]

NC_1

AIF_AGC

SCL_RF

SDA_RF

AIF[P]

AIF[N]

NC_2

NC_3

NC_4

B2[+3.3V]

ERROR

GND_1

MCLK

SYNC

VALID

RESET_DEMOD

B3[+3.3V]

SCL_DEMOD

B4[+1.1V]

F22_OUTPUT

SDA_DEMOD

LNB

GND

TDJH-H101F

TU3700-*1

TUNER_NTSC

SHIELD

IF[P]

IF[N]

NC_2

NC_3

B1[+3.3V]

NC_1

IF_AGC

SCL

SDA

TU3702

TDJM-G105D

TUNER_AJ_T2

B1[+3.3V]

NC_1

AIF_AGC

SCL_RF

SDA_RF

AIF[P]

AIF[N]

NC_2

NC_3

NC_4

B2[+3.3V]

ERROR

GND_1

MCLK

SYNC

VAILD

RESET_DEMOD

B3[+3.3V]

SCL_DEMOD

B4[+1.1V]

F22_OUTPUT

SDA_DEMOD

SHIELD

R3709-*1

TU_ATSC

R3710-*1

TU_ATSC

R3716-*1

1.8K

TU_ATSC

R3717-*1
1.8K

TU_ATSC

C3705-*1
18pF

TU_ATSC

C3707-*1
18pF

TU_ATSC

TU3703

TDJM-C301D

TUNER_CHINA

B1[+3.3V]

RF_SW_CTL

NC_1

SCL_RF

SDA_RF

NC_2

NC_3

SIF

CVBS

NC_4

NC_5

ERROR

GND_1

MCLK

SYNC

VAILD

RESET_DEMOD

B2[+3.3V]

SCL_DEMOD

B3[+1.1V]

NC_6

SDA_DEMOD

SHIELD

TU_GND_A

TU_GND_B

L14 TUNER_EU T/C_T2/C/S2_CHINA

close to TUNER

ERROR & VALID PIN

Vo=0.8*(1+R1/R2)

should be guarded by ground

GPIO must be added.

GND seperation for CHINA tuner

Close to TUNER

TU_I2C Multi option

Only for training and service purposes

LGE Internal Use Only

Summary of Contents for 47LB5610

Page 1: ...ODEL 47LB5610 47LB5610 CD 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 ...

Page 2: ...Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 BLOCK DIAGRAM 15 EXPLODED VIEW 16 SCHEMATIC CIRCUIT DIAGRAM ...

Page 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...

Page 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing wrist strap device which should be removed to prevent potential 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 e...

Page 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...

Page 6: ...ion Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remarks 1 Market Hong Kong 2 Broadcasting system 1 PAL DK 2 PAL I 3 NTSC M 4 DTMB 5 DVB C DTMB DMB T ADTB T 3 Channel Storage 1500EA Maximum number of storable program for ATV DTV 4 Channel Coverage Digital TV DTMB 21 69 DVB C 52 5 MHz 866MHz Analogue TV PAL D K VHF UHF 1 69 Cable 1 47 PAL I VHF UHF 1 69...

Page 7: ... 1080p 6 HDMI Input 6 1 DTV mode No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 26 97 27 23 97 24 74 17...

Page 8: ...ck 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 epk file download 1 Put the USB Stick to the USB socket 2 Autom...

Page 9: ...Using P ONLY 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 4 2 Function Check 4 2 1 Check display and sound Check Input and Signal items 1...

Page 10: ... Aging time Min Cool Medium Warm x y x y x y 271 270 286 289 313 329 1 0 2 282 289 297 308 324 348 2 3 5 281 287 296 306 323 346 3 6 9 279 284 294 303 321 343 4 10 19 277 280 292 299 319 339 5 20 35 275 277 290 296 317 336 6 36 49 274 274 289 293 316 333 7 50 79 273 272 288 291 315 331 8 80 119 272 271 287 290 314 330 9 Over 120 271 270 286 289 313 329 NC4 0 Aging time Min Cool Medium Warm x y x y...

Page 11: ...CD module within 10cm of the surface 3 Press ADJ key EZ adjust using adj R C 8 White Balance then press the cursor to the right KEY When KEY is pressed 206 Gray internal pattern will be displayed 4 Adjust Cool modes 1 Fix the one of R G B gain to 192 default data and decrease the others If G gain is adjusted over 172 and R and B gain less than 192 Adjust is O K 2 If G gain is less than 172 Increas...

Page 12: ...f 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 5 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...

Page 13: ...0 5 mArms No Item Condition Hex Data 1 Manufacturer ID GSM 1E6D 2 Version Digital 1 01 3 Revision Digital 3 03 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 80 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 ...

Page 14: ...EPROM 6 3 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial nu...

Page 15: ... RXB4 RXBCK SPK_R SPK_L AMP_SCL SDA AUD_MASTER_CLK AUD_LRCH AUD_LRCK AUD_SCK TAS5733 IC5600 Connector P4600 KEY1 2 LED_R IR REAR HDMI1 JK800 SPDIF_OUT SPDIF Optic JK1001 SIDE USB JK700 HDMI2 MHL JK801 CK D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCP CTL TPS65282 5V_USB MHL_CD_SENSE AVDD5V_MHL MHL_OCP CI Slot P1900 NAND FLASH IC102 1Gbit H27U1G8F2CTR BC PCM_A 0 7 TC74LCX244FT Buffe...

Page 16: ...and mechanical parts in this chassis have special safety related characteristics 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 IMPO...

Page 17: ...012 C434 390pF 50V C419 0 039uF 50V C423 270pF 50V C435 0 1uF 16V C418 0 01uF ZD404 5V 3 5V_POWER_DET 3 5V_POWER_DET 3 5V_POWER_DET 3 3V_Normal VBUS_EN MHL_OCP_EN R463 2 7K MHL_SW_TR R464 10K MHL_SW_TR Q408 MHL_SW_TR E B C R462 10K MHL_SW_TR Q407 MHL_SW_TR E B C Q409 MHL_SW_TR E B C R465 10K MHL_SW_TR R461 10K MHL_SW_TR R439 20K 1 R440 47K 1 R433 2 7K 1 R447 22K C403 100pF 50V OPT R415 15K 5 R459 ...

Page 18: ... THE SYMBOL MARK OF THE SCHEMETIC 14 03 03 USB_S1 7 L14_M1A JK700 3AU04S 305 ZC LG 1 2 3 4 5 D700 RCLAMP0502BA OPT SIDE_USB1_DM SIDE_USB1_DP C700 22uF 10V USB_HDD_CAP1_22uF ZD700 5V OPT SD05 C701 5pF 50V OPT C702 5pF 50V OPT C703 22uF 10V USB_HDD_CAP2_22uF 5V_USB C704 22uF 10V OPT C700 1 10uF 10V USB_HDD_CAP1_10uF C703 1 10uF 10V USB_HDD_CAP2_10uF USB SIDE Copyright 2014 LG Electronics Inc All rig...

Page 19: ...DMI2 JK801 EAG62611204 HDMI 2 14 NC 13 CE_REMOTE 5 D1_GND 20 GND 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 CK 4 D1 1 D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK D803 2 RCLAMP0524PA ESD_HDMI1_SEMTECH 1 8 2 7 3 6 4 5 9 10 D804 2 RCLAMP0524PA ESD_HDMI1_SEMTECH 1 8 2 7 3 6 4 5 9 10 D806 2 RCLAMP0524PA ESD_HDMI2_SEMTECH 1 8 2 7 3 6 4 5 9 10 D805 2 RCLAMP0524PA ESD_HDMI2_SEMTECH 1 8 ...

Page 20: ...D FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPDIF 2013 10 29 10 NC5_L14 3 3V_Normal SPDIF_OUT JK1001 JST1223 001 SPDIF_OPTIC 1 GND 2 VCC 3 VINPUT 4 FIX_POLE C1001 1uF 10V OPT C1002 47pF 50V SPDIF_CAP_47pF C1002 1 18pF 50V SPDIF_CAP_18pF SPDIF OPTIC JACK 5 15 Mstar Circuit Application SPDIF ESD Ready Copyright 2014 LG Electronics Inc All rights reserved Only for training and s...

Page 21: ...U0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_11 T1 ...

Page 22: ... S_FLASH 2013 04 29 13 NC5_S7LR M1A SPI_SCK 3 5V_ST 3 5V_ST C1300 0 1uF R1301 4 7K OPT SPI_CS SPI_SDO IC1300 MX25L8006EM2I 12G SPI_FLASH_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R1302 33 R1300 10K OPT SPI_SDI FLASH_WP IC1300 1 W25Q80BVSSIG SPI_FLASH_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 3 5V_ST Serial Flash for SPI boot Copyright 2014 LG Elect...

Page 23: ...A URSA VCOM_SDA URSA VCOM_SCL VCOM_SDA RXB1 RXB0 RXA4 RXA1 Pol change RXB4 RXACK RXBCK RXA0 RXA2 LVDS_EU RXA2 RXBCK RXB4 RXA3 RXA1 RXB2 RXB3 RXA3 RXBCK RXACK RXA2 RXA1 RXB1 RXB3 RXA3 RXA2 RXA0 RXA4 Shift RXBCK RXB2 RXA4 51Pin LVDS Connector For FHD 60Hz RXACK RXA3 RXACK RXB3 RXA3 RXA1 RXB0 RXA0 RXACK RXB3 LVDS_SEL RXA4 RXB3 RXA4 RXA2 RXA2 RXA1 RXB2 Pol change RXB4 RXB1 RXA4 RXACK RXB3 RXB0 RXB3 RX...

Page 24: ...R1906 33 C1903 10uF 10V PCM_A 12 CI_ADDR 12 CI_MISTRT AR1903 33 CI_MCLKI PCM_A 9 IC1900 74LVC1G32GW OR_GATE_CI_PHILIPS 3 GND 2 A 4 Y 1 B 5 VCC CI_TS_CLK C1901 0 1uF GND CI_ADDR 10 AR1907 33 AR1904 33 CI_IORD CI_TS_DATA 4 CI_MDI 5 CI_MDI 3 AR1900 33 R1911 10K R1913 10K PCM_REG R1919 10K PCM_RST AR1901 33 R1908 10K CI_MCLKI FE_TS_DATA 0 7 PCM_D 0 7 R1912 100 PCM_A 7 CI_MDI 1 PCM_A 10 CI_TS_VAL CI_MD...

Page 25: ...ECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LAN 2013 04 29 21 NC5_M1A EPHY_RN EPHY_TN EPHY_TP EPHY_RP C2104 0 01uF 50V ETHERNET JK2100 RJ45VT 01SN002 ETHERNET 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 C2105 0 01uF 50V ETHERNET ETHERNET H W option ETHERNET Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Us...

Page 26: ...2702 30V MBR230LSFT1G LNB_ONSEMI LNB_TX C2706 10uF 25V LNB 12V C2713 0 22uF 25V LNB L2701 BLM18PG121SN1D LNB LNB_OUT C2711 0 22uF LNB L2702 15uH SP 7850_15 LNB DEMOD_SCL DEMOD_SDA C2701 18pF LNB C2714 18pF LNB C2702 33pF LNB R2703 36K 1 16W 1 LNB R2706 0 IC2701 A8303SESTR T LNB 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO ...

Page 27: ...R2837 2K SCART_MUTE R2845 10K SCART_MUTE MMBT3904 NXP Q2803 SCART_MUTE MMBT3904 NXP Q2802 SCART_MUTE VA2807 5 5V ESD_SCART R2807 75 R2805 75 R2808 75 R2813 75 EU AV2_L_IN R2847 0 AV2 SC1 AV2_CVBS_IN AV2_R_IN JK2803 PPJ231 01 AV2 8 6 7 5 4 R2848 0 EU AV2_CVBS_DET AV2_L_IN_A AV2_R_IN_A AV2_CVBS_DET C2814 1000pF 50V EU C2813 1000pF 50V EU VA2816 5 6V OPT R2814 1K R2818 1K R2800 75 R2812 10K R2801 75 ...

Page 28: ...P_LOUT R3004 1K HEAD_PHONE HP_DET 3 5V_ST HP_ROUT SIDE_HP_MUTE R3002 1K HEAD_PHONE C3002 1000pF 50V OPT R3003 1K HEAD_PHONE Q3002 MMBT3904 NXP OPT E B C Q3003 MMBT3904 NXP OPT E B C Q3005 MMBT3904 NXP OPT E B C Q3004 MMBT3904 NXP OPT E B C Q3001 MMBT3906 NXP OPT E B C Q3000 MMBT3904 NXP OPT E B C R3000 1K OPT C3004 4 7uF 10V HEAD_PHONE L3001 HEAD_PHONE 5 6uH L3000 HEAD_PHONE 5 6uH C3005 4 7uF 10V ...

Page 29: ...A R3736 0 T2_OR_CHINA R3726 0 OPT R3734 22K 1 T2_OR_CHINA R3735 220 CHINA R3728 82 CHINA R3717 1K TU_NON_ATSC R3709 10 TU_NON_ATSC_NON_CHINA R3710 10 TU_NON_ATSC_NON_CHINA R3737 1 T2_OR_CHINA C2603 0 1uF 16V RF_SW_OPT R2603 0 RF_SW_OPT RF_SWITCH_CTL R3733 12K 1 T2_OR_CHINA C3725 1uF 10V T2_OR_CHINA R3707 0 T2 C3709 0 1uF 50V T2_OR_CHINA TU_GND_B C3712 1000pF 630V CHINA TU_GND_A TU_GND_A TU_GND_A T...

Page 30: ...YMBOL MARK OF THE SCHEMETIC RS232C_MSTAR_DEBUG_4P 2013 04 30 40 L14_S7LR M1A PM_RXD 3 5V_ST R4001 100 R4000 100 P4000 12507WS 04L RS232C_DEBUG_4P 1 VCC 2 PM_RXD 3 GND 4 RM_TXD 5 GND PM_TXD JP_GND3 RGB_DDC_SCL JP_GND4 RGB_DDC_SDA JP_GND1 JP_GND2 P4001 12505WS 04A00 MSTAR_DEBUG_4P 1 2 3 4 5 RS 232C 4PIN MSTAR DEBUG 4PIN RS 232C 4PIN MSTAR DEBUG 4PIN Copyright 2014 LG Electronics Inc All rights reser...

Page 31: ... THE SCHEMETIC 2013 04 29 TP_EU 41 NC5_M1A CI_DET DDC_SCL_2 CI_CD1 SIDE_HP_MUTE HP_DET CK _HDMI2 SPDIF_OUT HDMI_ARC D0 _HDMI2 D1 _HDMI2 HP_ROUT D0 _HDMI2 HP_LOUT EPHY_RN EPHY_RP 5V_DET_HDMI_2 HPD2 EPHY_TP AV2_CVBS_DET D2 _HDMI2 EPHY_TN SENSOR_SDA FRC_RESET D1 _HDMI2 IF_AGC_SEL SENSOR_SCL D2 _HDMI2 CK _HDMI2 DEMOD_RESET DDC_SDA_2 CI_CD2 RF_SWITCH_CTL TP for EU Copyright 2014 LG Electronics Inc All ...

Page 32: ...08 100 Digital Eye R4600 3 3K R4607 1K Digital Eye C4603 0 1uF 16V KEY_CAP KEY1 3 5V_ST R4601 100 C4601 1000pF 50V KEY2 VA4600 LED_R_Zener R4604 10K 1 C4604 100pF 50V R4605 1K Digital Eye SENSOR_SDA 3 3V_Normal P4601 12507WR 08L OPT 1 2 3 4 5 6 7 8 9 C4602 0 1uF 16V KEY_CAP L4600 BLM18PG121SN1D C4605 18pF 50V Digital Eye 3 5V_ST IR R4609 100 Digital Eye 3 5V_ST R4606 1 8K SENSOR_SCL P4600 12507WR ...

Page 33: ... GPIO35 D5 SAR1 GPIO36 F8 SAR2 GPIO37 E7 SAR3 GPIO38 E6 SAR4 GPIO39 D6 GPIO_PM 13 GPIO20 W10 GPIO_PM 14 GPIO21 Y10 PM_LED GPIO4 P3 GPIO_PM 0 GPIO7 Y3 PM_SPI_SCZ2 GPIO_PM 10 GPIO17 Y5 GPIO_PM 15 GPIO22 W11 GPIO_PM 4 GPIO11 D3 GPIO_PM 7 GPIO14 AA3 GPIO_PM 8 GPIO15 W5 PWM_PM GPIO200 D4 PM_UART_TX GPIO_PM 1 GPIO8 L15 PM_UART_RX GPIO_PM 5 GPIO12 Y11 IC101 3 LGE2133 128M M1A_128M_UO4 LVA4P TTL_B 0 HCONV...

Page 34: ...G T2 CVBSOUT1 T6 CVBS0 V5 CVBS1 U5 CVBS2 T5 VCOM V4 I2S_OUT_BCK GPIO165 E4 I2S_OUT_MCK GPIO163 F4 I2S_OUT_SD GPIO166 F7 I2S_OUT_WS GPIO164 F5 USB0_DM C4 USB1_DM Y12 USB0_DP B4 USB1_DP AA12 BIN0M J2 BIN0P J3 GIN0M K3 GIN0P J1 RIN0M K2 RIN0P K1 HSYNC0 M6 VSYNC0 L6 BIN1M L2 BIN1P L3 GIN1M M1 GIN1P M2 RIN1M N1 RIN1P N3 SOGIN1 M3 IC101 3 LGE2133 128M M1A_128M_UO4 ARC0 M4 RXC0N W7 RXC0P Y8 RXC1N W8 RXC1...

Page 35: ...LTM 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_CD_2 39 OUT_C 40 NC_3 41 NC_4 42 BST_C 43 BST_B 44 NC_5 45 NC_6 46 OUT_B 47 PGND_AB_1 48 PGND_AB_2 49 EP C5614 0 1uF 3 3V_Normal SPK_...

Page 36: ...HAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC MHL_SW_AND 2013 09 01 L14_M1A 58 MHL_5V_EN MHL_OCP_EN MHL_CD_SENSE 3 3V_Normal IC5801 74LVC1G08GW MHL_SW_AND_GATE 3 GND 2 A 4 Y 1 B 5 VCC L14 MHL SW AND GATE Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 37: ......

Page 39: ...ewing power auto on off 8 8 C Audio error No audio Normal video 9 9 Wrecked audio discontinuation noise 10 10 D Function error Remote control Local switch checking 11 11 External device recognition error 12 12 E Noise Circuit noise mechanical noise 13 13 F Exterior error Exterior defect 14 First of all Check whether there is SVC Bulletin in GCSC System for these model Contents of LCD TV Standard R...

Page 40: ...lacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 14 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A6 A3 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable 2012 01 14 Normal Audio On Y N Normal Voltage No...

Page 41: ...eplace Power Board and repair parts Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 14 LCD TV Error symptom 2012 01 14 End Normal Voltage Y N Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 42: ...ldering Y N Y Y By using Digital signal level meter By using Diagnostics menu on OSD Menu Set up Support Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Y Contact with signal distributor or broadcaster Cable or Air N N Y N A6 Standard Repair Process Established date Revised date 3 14 LCD TV Error symptom 2012 01 14 End Normal Signal Normal Picture Normal Picture Normal Pic...

Page 43: ...ch with installed ANT N Y N A6 Standard Repair Process Established date Revised date 4 14 LCD TV Error symptom 2012 01 14 Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Contact with signal distributor or broadcaster Cable or Air N Check Tuner soldering Replace Main B D Normal Picture End Normal Picture Normal Setting SVC Bulletin Normal Sign...

Page 44: ...lace Main B D N N A Video error Color error A7 N Y Replace module Request repair for external device cable Check Test pattern A10 A8 A9 Standard Repair Process Established date Revised date 5 14 LCD TV Error symptom 2012 01 14 End Color error Color error External device Cable Normal External Input Co mponent error HDMI error External device Cable Normal Copyright 2014 LG Electronics Inc All rights...

Page 45: ... Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Connect other external device and cable Check normal operation of External Input Component HDMI by connecting Jig pattern Generator Set top Box etc Replace Main B D N Y Check S W Version Y N S W Upgrade Y N Y N Replace Main B D Replace Module Established date Revised date 6 14 LCD TV Error sym...

Page 46: ...ut of Power B D N Y Replace Main B D Y Replace Main B D N Y Check ST BY 3 5V Replace Power B D N Replace Power B D Y A11 A12 A13 A4 Standard Repair Process Established date Revised date 7 14 LCD TV Error symptom Stand By Red 2012 01 14 End Power LED On Normal Voltage Normal Voltage Normal Operati on Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE In...

Page 47: ...MER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROFF_UNKNOWN Power off by unknown s...

Page 48: ...Speaker disconnection N Y Replace Speaker Replace MAIN Board C Audio error No audio Normal video A15 A16 Established date Revised date 9 14 LCD TV Error symptom Standard Repair Process 2012 01 14 End Normal Voltage Off Disconn ection Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 49: ...heck audio B Voltage 24V In case of External Input signal error Check and fix external device Replace Main B D N Established date Revised date 10 14 LCD TV Error symptom Standard Repair Process A16 2012 01 14 End Signal Normal Normal Voltage Normal Audio Wrecked Audio Discontinuation Noi se for all audio Wrecked Audio Discontinuation Noise only for D TV Wrecked Audio Discontinuation Noise only for...

Page 50: ...on Connector solder Check B 3 5V On Main B D A17 N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A4 Check IR Output signal N Y Repair Replace IR B D N A17 Replace Main B D Y A17 Standard Repair Process Established date Revised date 11 14 LCD TV Error symptom 2012 01 14 End Normal Operating Normal Voltage Normal Signal Normal Operating Normal Voltage E...

Page 51: ...al information D Function error External device recognition error Established date Revised date 12 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Signal Input Technical information External Input And Component Recognition error HDMI Optical Recognition error Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 52: ...For models without any fix information provide the description OR Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 13 14 LCD TV Error symptom Standard Repair P...

Page 53: ...Exterior defect Exterior defect Established date Revised date 14 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Module damage Cabinet damage Remote Controller damage Stand damage Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 54: ...10 11 Check Link Cable LVDS reconnection condition A8 A9 12 Adjustment Test pattern ADJ Key A10 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A8 A9 15 Adjustment Test pattern ADJ Key A10 16 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Board 1 A 1 5 17 Exchange T Con Board 2 A ...

Page 55: ... MODE checking method A14 28 C Audio error_No audio Normal video Checking method in menu when there is no audio A15 29 Voltage and speaker checking method when there is no audio A16 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A16 31 D Function error_ No response in remote controller key error Remote controller operation checking method ...

Page 56: ...Video error_No video Normal audio ALL MODELS A1 Established date Revised date Error symptom Content LCD TV 2012 01 14 Power On disjoint back case check lighting at 2 points Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ... Revised date Error symptom Content LCD TV 2012 01 14 1 Measure DC 24V applying to inverter PCB from Power Board 2 Output 24V from Power Board supply to inverter PCB Check Pin contacting statement and connection statement Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ... White Balance value A Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content LCD TV Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 7 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD 2012 01 14 Copyright 2014 LG Elec...

Page 59: ...ror symptom Content LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check DC 3 5V 12V 24V Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 60: ... etc Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop A5 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 61: ...stop 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version A6 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 62: ... bar residual image light spot As the part connecting to the external input check the screen condition by signal A7 Established date Revised date Error symptom Content LCD TV ALL MODELS 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...echnical Manual Check and replace Link Cable LVDS and contact condition A Video error_Color error ALL MODELS A8 A9 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 64: ... using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A10 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...n Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange T Con Board 1 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 66: ...ower Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 67: ...pendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 69: ...lock Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 Un repairable Cases In this case please exchange the module Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...er error _No power A11 Established date Revised date Error symptom Content LCD TV ST BY condition Red Front LED control Menu Option Standby Light On Off 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ...or symptom Content LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check DC 3 5V 12V 24V Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 72: ...tent LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check power on Pin 1 pin is high about 3 3V Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ...Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A14 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 74: ... Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A15 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 75: ...he speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video ALL MODELS A16 Established date Revised date Error symptom Content LCD TV 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC...

Page 76: ...e Analog Tester needle moves slowly and defective when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error_ No response in remote controller key error ALL MODELS A17 Established date Revised date Error symptom Content LCD TV 2012 01 14 P4600 Sub Ass y Main Ass y Copyright 2014 LG Electronics Inc All rights reserved On...

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