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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.

2013/08/15

HDMI_R1_S1

8

L14_M1A

VA804

ESD_HDMI1

R803

1K

D802

MMBD6100

A

2

C

A

1

HDMI_ARC

VA805

ESD_HDMI2

D1+_HDMI2

CEC_REMOTE_S7

+3.5V_ST

VA800

ESD_HDMI1_VARISTOR

VA808

ESD_HDMI2

R809

10K

D2-_HDMI2

VA802

ESD_HDMI1

R807

2.7K

D801

MMBD6100

A

2

C

A

1

CK-_HDMI4

CK-_HDMI2

R804
100

VA801

ESD_HDMI1_VARISTOR

R816

100

HDMI-2

R810

100

DDC_SCL_2

R812

1.8K

HDMI-2

DDC_SCL_2

JK800

EAG59023302

14

13

5

D1_GND

20

SHIELD

12

11

2

D2_GND

19

18

10

CK+

4

D1+

1

D2+

17

9

D0-

8

D0_GND

3

D2-

16

7

D0+

6

D1-

15

D0+_HDMI2

R811

100

VA803

ESD_HDMI1

DDC_SDA_2

5V_HDMI_2

R800

2.7K

HPD4

5V_HDMI_4

CK+_HDMI4

D800

MMBD6100

A

2

C

A

1

VA809

ESD_HDMI2

VA800-*1
1uF
10V

ESD_HDMI1_CAP

+5V_Normal

R805

3.3K

DDC_SCL_4

VA801-*1
1uF
10V

ESD_HDMI1_CAP

R814

33

HDMI-2

D1-_HDMI4

DDC_SDA_4

5V_DET_HDMI_4

5V_HDMI_4

D1-_HDMI2

HDMI_CEC

CK+_HDMI2

R806

2.7K

R817
300K

HDMI-2

5V_DET_HDMI_2

DDC_SDA_4

+5V_Normal

DDC_SCL_4

HPD2

HDMI_CEC

Q800

MMBT3904(NXP)

E

B

C

R801

2.7K

D0-_HDMI2

VA811

ESD_HDMI2

D0-_HDMI4

MHL_CD_SENSE

5V_HDMI_2

R813

3.3K

HDMI-2

VA810

ESD_HDMI2

D2+_HDMI4

VA807

OPT

5.6V

DDC_SDA_2

D1+_HDMI4

R815

100

HDMI-2

C800
0.047uF
25V

HDMI-2

D2-_HDMI4

R802

1.8K

D2+_HDMI2

R808

10K

HDMI_CEC

D0+_HDMI4

VA806

ESD_HDMI2

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

2

7

3

6

4

5

9

10

JK801-*1

DAADR019A

HDMI-2_EMI_FOOSUNG

14

RESERVED

13

CEC

5

TMDS_DATA1_SHIELD

20

BODY_SHIELD

12

TMDS_CLK-

11

TMDS_CLK_SHIELD

2

TMDS_DATA2_SHIELD

19

HOT_PLUG_DETECT

18

VDD[+5V]

10

T

4

TMD

1

TMD

17

DDC/CEC_GND

9

TMDS_DATA0-

8

TMDS_DATA0_SHIELD

3

TMDS_DATA2-

16

SDA

7

TMD

6

TMDS_DATA1-

15

SCL

D803

IP4294CZ10-TBR

ESD_HDMI1_IP4294

1

8

2

7

3

6

4

5

9

10

D803-*1

IP4283CZ10-TBA

ESD_HDMI1_IP4283

3

GND_1

2

T

4

TMDS_CH2-

1

TMDS_CH1-

5

T

6

NC_1

7

NC_2

8

GND_2

9

NC_3

10

NC_4

D804-*1

IP4283CZ10-TBA

ESD_HDMI1_IP4283

3

GND_1

2

T

4

TMDS_CH2-

1

TMDS_CH1-

5

T

6

NC_1

7

NC_2

8

GND_2

9

NC_3

10

NC_4

D805-*1

IP4283CZ10-TBA

ESD_HDMI2_IP4283

3

GND_1

2

T

4

TMDS_CH2-

1

TMDS_CH1-

5

T

6

NC_1

7

NC_2

8

GND_2

9

NC_3

10

NC_4

D806-*1

IP4283CZ10-TBA

ESD_HDMI2_IP4283

3

GND_1

2

T

4

TMDS_CH2-

1

TMDS_CH1-

5

T

6

NC_1

7

NC_2

8

GND_2

9

NC_3

10

NC_4

D804

IP4294CZ10-TBR

ESD_HDMI1_IP4294

1

8

2

7

3

6

4

5

9

10

D805

IP4294CZ10-TBR

ESD_HDMI2_IP4294

1

8

2

7

3

6

4

5

9

10

D806

IP4294CZ10-TBR

ESD_HDMI2_IP4294

1

8

2

7

3

6

4

5

9

10

HDMI (REAR 1 / SIDE 1 MHL)

HDMI_2 MHL

HDMI_1

CEC

MHL Spec

Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

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Содержание 32LB620D

Страница 1: ...ODEL 32LB620D 32LB620D DJ 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: ...Copyright LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 11 BLOCK DIAGRAM 18 EXPLODED VIEW 19 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: ...t 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 General Specification No Item Specification Measurement Result Remark 1 Receiving System NTSC M PAL M N DVB T Colombia Panama NTSC M DVB T Only Taiwan NTSC M DTMB Only Cuba 2 Available Channel 1 VHF 2 13 2 UHF 14 69 3 CATV 1 125 4 DTV ...

Страница 7: ...320DXE FGA3 FHD 60Hz LGD 32LB5610 DC NC390DUN VXBP1 FHD 60Hz INX 39LB5610 DC 39LB561T DC LC420DUE FGA3 T420HVF07 0 FHD 60Hz LGD AUO 42LB5610 DC 42LB561T DC LC420DUE FGA5 FHD 60Hz LGD 42LB550T DF LC420DUE FGP1 FHD 60Hz LGD 42LB620T DD LC470DUE FGA3 FHD 60Hz LGD 47LB561T DC 47LB5610 DC LC490DUE FGA5 FHD 60Hz LGD 49LB550T DF LC490DUE FGP1 FHD 60Hz LGD 49LB620T DD NC500DUN SXBP1 FHD 60Hz INX 50LB561T ...

Страница 8: ...4 27 0 SDTV 480P 6 720 576 31 250 50 000 27 000 SDTV 576P 7 1280 720 37 500 50 000 74 25 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 1280 720 44 96 59 94 74 176 HDTV 720P 10 1920 1080 28 125 50 00 74 250 HDTV 1080I 11 1920 1080 33 75 60 00 74 25 HDTV 1080I 12 1920 1080 33 72 59 94 74 176 HDTV 1080I 13 1920 1080 56 250 50 00 148 50 HDTV 1080P 14 1920 1080 67 500 60 00 148 50 HDTV 1080P 15 19...

Страница 9: ...80 FHD Only 67 5 60 148 5 HDTV 1080P O DTV 1 720 480 31 469 59 940 27 000 SDTV 480P 2 720 480 31 500 60 000 27 027 SDTV 480P 3 720 576 31 250 50 000 27 000 SDTV 576P 4 1280 720 37 500 50 000 74 25 HDTV 720P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 28 125 50 000 74 25 HDTV 1080I 8 1920 1080 33 75 60 00 74 25 HDTV 1080I 9 1920 1080 33 72 59 94 74 176...

Страница 10: ...Side by Side Half 3 1280x720p 89 9 90 59 94 60 148 35 148 5 720p Frame packing 4 1280x720p 44 96 45 59 94 60 74 17 74 25 720p Top and Bottom Side by Side Half 5 1280x720p 75 50 148 5 720p Frame packing 6 1280x720p 37 5 50 74 25 720p Top and Bottom Side by Side Half 7 1920x1080i 28 125 50 74 25 1080i Side by Side Half 8 1920x1080p 53 95 54 23 978 24 148 5 1080p Frame packing 9 1920x1080p 26 97 27 2...

Страница 11: ...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 be...

Страница 12: ... LGD SHARP POLA 20 6164 2440 16129 14184 55298 51202 273 42LB550T DF LGD POLA 23 2440 16129 14184 55298 273 49LB550T DF LGD POLA 2440 16129 14184 55298 273 32LB561B DC LGD BOE Sharp POLA 4 6148 12292 2440 16129 14184 55298 51202 51202 273 32LB560D DA 32LB561D DC LGD BOE Sharp POLA 4 12292 6148 2406 16129 13136 52226 273 32LB5610 DC LGD POLA 4 2406 16129 13136 52226 273 39LB5600 DA INX POLA 2054 24...

Страница 13: ... Min Cool Medium Warm x y x x y x 271 270 285 293 313 329 1 0 5 280 285 294 308 319 340 2 6 10 276 280 290 303 315 335 3 11 20 272 275 286 298 311 330 4 21 30 269 272 283 295 308 327 5 31 40 267 268 281 291 306 323 6 41 50 266 265 280 288 305 320 7 51 80 265 263 279 286 304 318 8 81 119 264 261 278 284 303 316 9 Over 120 264 260 278 283 303 315 Connecting picture of the measuring instrument On Aut...

Страница 14: ...ite Balance you can select one of 2 Test pattern ON OFF Default is inner ON By selecting OFF you can adjust using RF signal in 206 Gray pattern CASE Cool First adjust the coordinate far away from the target value x y 1 x y target i Decrease the R G 2 x y target i First decrease the B gain ii Decrease the one of the others 3 x target y target i First decrease B so make y a little more than the targ...

Страница 15: ...J key Enter EDID D L mode Enter START by pushing OK key Edid data and Model option download RS232C 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 com mand Edid data and Model option download Download A E 00 10 Automatically download The use of a internal Data Caution Use the proper signal cable for EDID Download Analog EDID Pin3 exists D...

Страница 16: ...is failed Buzzer operates If Test is passed execute next process Hi pot test Remove A V CORD from A V JACK BOX 5 HI POT test Auto If Test is failed Buzzer operates If Test is passed GOOD Lamp on and move to next process automatically 4 5 3 Checkpoint 1 Test voltage 3 Poles GND 1 5KV min at 100mA SIGNAL 3KV min at 100mA 2 Poles SIGNAL 3KV min at 100mA 2 TEST time 1 second 3 TEST POINT 3 Poles GND T...

Страница 17: ...purposes 6 3D Function Test Only LB620 Pattern Generator MSHG 600 MSPG 6100 SUPPORT HDMI1 4 HDMI mode NO 872 pattern No 83 1 Please input 3D test pattern like below HDMI mode NO 872 pattern No 83 2 When 3D OSD appear automatically then select OK button 3 Don t wear a 3D Glasses Check the picture like below ...

Страница 18: ... CK D0 D1 D2 _HDMI2 DDC_SCL SDA_2 HDMI_CEC Serial Flash 8Mbit IC1300 SPI_SCK SDI SDO CS System EEPROM 256Kbit IC104 I2C_SCL SDA NAND FLASH 1Gbit IC102 PCM_A 0 7 DDR3 SDRAM 2Gbit IC1201 A MDQL 0 7 A MDQU 0 7 RXA0 RXA4 RXACK RXB0 RXB4 RXBCK SPK_R SPK_L AMP_SCL SDA AUD_MASTER_CLK AUD_LRCH AUD_LRCK AUD_SCK TAS5733 IC5600 Main SOC M1A LGE2131 IC101 With internal 128M DDR Connector P4600 Joystick IR REA...

Страница 19: ...ics 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 200 530 502 540 521 410 400 120 121 A2 A10 LV1 Set Stand ...

Страница 20: ...ATA 5 PCM_D 2 PCM_A 14 CI_TS_DATA 4 SCART1_Lout PCM_REG HP_ROUT PCM_IOWR CI_TS_DATA 1 PCM_RST PCM_A 12 CI_TS_VAL CI_TS_DATA 3 PCM_WAIT SCART1_Rout CI_TS_DATA 6 PCM_D 4 PCM_A 8 DTV MNT_VOUT PCM_D 7 PCM_OE SIDE_HP_MUTE CI_TS_DATA 7 PCM_IORD PCM_A 11 SC1_B COMP1_Pb SC1_G COMP1_Y SC1_R COMP1_Pr SC1 COMP1_L_IN SC1 COMP1_DET SC1 COMP1_R_IN FE_TS_DATA 1 FE_TS_DATA 2 FE_TS_DATA 3 FE_TS_DATA 4 FE_TS_DATA 5...

Страница 21: ...CAP C400 1uF 10V 1005 OPT 24V R457 8 2K 1 OPT R458 0 5 OPT R438 4 7K OPT C407 10uF 10V 2012 IC401 APX803D29 1 GND 3 VCC 2 RESET IC402 APX803D29 OPT 1 GND 3 VCC 2 RESET 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_...

Страница 22: ... SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 13 04 30 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 ZD700 5V OPT SD05 C701 5pF 50V OPT C702 5pF 50V OPT C703 22uF 10V USB_HDD_CAP 5V_USB USB SIDE Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LG...

Страница 23: ...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 ...

Страница 24: ...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 ⓒ 2013 LG Electronics Inc All right reserved Only for training and ...

Страница 25: ...2C 3 3V_Normal URSA VCOM_SDA URSA VCOM_SCL P1101 10031HR 30 MO_HD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 RXB1 RXB0 RXA4 RXA1 Pol change RXB4 RXACK RXBCK RXA0 RXA2 LVDS NON 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...

Страница 26: ...E E17 B_DDR3_ODT B8 B_DDR3_RASZ C8 B_DDR3_CASZ B9 B_DDR3_WEZ D11 B_RESET F10 B_DDR3_CS0 D12 B_DDR3_DQSL A19 B_DDR3_DQSU B18 B_DDR3_DQML C16 B_DDR3_DQMU D21 B_DDR3_DQSBL C18 B_DDR3_DQSBU C17 B_DDR3_DQL 0 A20 B_DDR3_DQL 1 A16 B_DDR3_DQL 2 C19 B_DDR3_DQL 3 C15 B_DDR3_DQL 4 C20 B_DDR3_DQL 5 C14 B_DDR3_DQL 6 B21 B_DDR3_DQL 7 B15 B_DDR3_DQU 0 F18 B_DDR3_DQU 1 D19 B_DDR3_DQU 2 D17 B_DDR3_DQU 3 E21 B_DDR3...

Страница 27: ...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 ⓒ 2013 LG Elec...

Страница 28: ...V_DEMOD TU_GND_A 1 2V_DEMOD R1414 22K 1 DVB_T2 C1421 0 1uF 16V DVB_T2 3 3V_TU RF_SWITCH_CTL R1407 1K 3 3V_TU R1405 100 TU_SIF IF_AGC_SEL TUNER_RESET TU_CVBS L1401 UBW2012 121F L1402 UBW2012 121F DVB_T2 L1403 UBW2012 121F DVB_T2 R1409 20K L1404 MLG1005SR27JT TU_I2C_FILTER L1405 MLG1005SR27JT TU_I2C_FILTER IC1400 AP7361 Y 13 DVB_T2 3 ADJ NC 2 GND 4 IN 1 EN 5 OUT C1423 10uF 10V DVB_T2_10uF_X5R C1417 ...

Страница 29: ...R_KEC ZD1701 1 COMP_Pr_ZENER_KEC ZD1700 1 COMP_Pr_ZENER_KEC ZD1705 1 COMP_Y_ZENER_KEC ZD1704 1 COMP_Y_ZENER_KEC R1707 75 1 1608 R1702 75 1 AV2 1608 DTV MNT_VOUT R1723 75 CVBS_OUT_TEST R1724 0 CVBS_OUT_TEST JK1702 PPJ245N2 01 COMP_AV1_YG 5A GN YL O SPRING 6A GN YL E LUG 4A GN YL CONTACT 5B BL O SPRING 7C RD1 E LUG S 5C RD1 O SPRING 4C RD1 CONTACT 5D WH O SPRING 4E RD2 CONTACT 5E RD2 O SPRING 6E RD2...

Страница 30: ...MBOL 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 ⓒ 2013 LG Electronics Inc All right reser...

Страница 31: ...R4608 100 Digital Eye R4600 3 3K R4607 1K Digital Eye C4603 0 1uF 16V OPT 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 OPT 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 10L 1...

Страница 32: ... G7 ET_COL GPIO60 J4 ET_TXD 1 GPIO61 J5 LCK GPIO194 H19 LDE GPIO195 G20 LHSYNC GPIO196 G19 LVSYNC GPIO197 G21 UART2_RX GPIO69 J17 UART2_TX GPIO70 J16 UART3_TX GPIO52 E8 UART3_RX GPIO53 D7 GPIO46 CTS U6 GPIO47 RTS V6 UART1_TX GPIO48 K15 UART1_RX GPIO49 L16 ET_TX_EN GPIO63 H5 ET_RXD 0 GPIO65 K5 ET_MDC GPIO66 K4 ET_MDIO GPIO67 H6 ET_RXD 1 GPIO68 L5 PCMADR 0 NF_AD 0 GPIO130 U17 PCMADR 1 NF_AD 1 GPIO12...

Страница 33: ...LL_2 R9 AVDD_MOD_1 L7 AVDD_MOD_2 L8 AVDD_NODIE P8 AVDD_PLL K9 AVDD3P3_DMPLL R5 AVDDL_MOD P11 DVDD_DDR_1 C7 DVDD_DDR_2 M13 DVDD_NODIE R6 DVDD_RX_1_1 A7 DVDD_RX_1_2 M12 DVDD_RX_2_1 B7 DVDD_RX_2_2 M14 VDDC_1 N11 VDDC_2 N12 VDDC_3 N13 VDDC_4 N14 VDDC_5 N15 VDDC_6 P12 VDDC_7 P13 VDDC_8 P14 VDDP L9 AVDD5V_MHL AA10 IC101 1 LGE2131 M1A_128M M1A_128M AUVRM U3 GND_1 A6 GND_2 A13 GND_3 A15 GND_4 A18 GND_5 B1...

Страница 34: ... 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_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_A...

Страница 35: ...AT 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 ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 36: ......

Страница 37: ...r error No power 7 7 Off when on off while viewing 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 ...

Страница 38: ...heck record S W Version and White Balance value before replacing 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 ...

Страница 39: ...d replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 14 LCD TV Error symptom 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 40: ...heck Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close 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 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N N Normal Picture Y Close N A6 Standard Repair Process Established date Revised date 3 14...

Страница 41: ...ents have problem or not By connecting RF Cable at other equipment Set Top Box Different maker TV etc A6 Standard Repair Process Established date Revised date 4 14 LCD TV Error symptom 2012 01 14 Contact with signal distributor or broadcaster Cable or Air Close N Check Tuner soldering Replace Main B D Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE...

Страница 42: ...device and cable Y External device Cable normal RGB HDMI DVI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error A7 N Y End Replace module Request repair for external device cable Color error Check Test pattern A10 A8 A9 Standard Repair Process Established date Revised date 5 14 LCD TV Error symptom 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc Al...

Страница 43: ...ing Jig pattern Generator Set top Box etc N Y Replace Main B D Screen normal Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Component error RGB error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main B D Screen...

Страница 44: ... voltage of each output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage 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 Close 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes L...

Страница 45: ... by REMOTE CONTROL POWEROFF_OFFTIMER 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 POWERO...

Страница 46: ...nd repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A15 A16 Disconnection Established date Revised date 9 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 47: ...nect and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Establi...

Страница 48: ...terry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A17 Normal Voltage Close 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 Normal 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 20...

Страница 49: ...al device cable RGB HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 12 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...ed as shown in the solution manual 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...

Страница 51: ...emote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 14 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...A7 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...

Страница 53: ...FF 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 metho...

Страница 54: ...A 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 any point Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 55: ...te Revised date Error symptom Content LCD TV 2012 11 17 Measure LED applying to LED Back Light from Power Board Output LED from Power Board supply to LED B L Check Pin contacting statement and connection statement LPB MODELS Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 56: ...ontent LCD TV Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 8 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 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...vised date Error symptom Content LCD TV Check the DC 24V 12V 3 5V 2012 11 17 Power Board Main Board 1 PWR_ON 2 DRV_ON 3 3 5V 4 PDIM1 5 3 5V 6 3 5V 7 GND 8 PDIM2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ... Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ...p 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A6 Established date Revised date Error symptom Content LCD TV 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...tal 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 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ... Technical 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 ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...rns 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 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...oken 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 ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ... Power Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...e Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ... Block 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 ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...error _No power A11 Established date Revised date Error symptom Content LCD TV ST BY condition Red Front LED control Menu Option Power Indicator Standby light ON 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...put voltage and ST BY 3 5V B Power error _No power A12 Established date Revised date Error symptom Content LCD TV Check the DC 20V 24V 12V 3 5V 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...hen power is ON B Power error _No power A13 Established date Revised date Error symptom Content LCD TV Check power on Pin 1 pin is high about 3 3V 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing Low models A14 Established date Revised date Error symptom Content LCD TV 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ...Off to On Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video LA613x A15 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ...ker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the 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 Low models A16 Established date Revised date Error symptom Content LCD TV 2012 11 17 Copyright ⓒ 2013 LG Electronics Inc All right reserved Onl...

Страница 74: ... 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 Low models A17 Established date Revised date Error symptom Content LCD TV P600 1 GND 2 KEY1 3 KEY2 4 St 3 5V 5 GND 6 RED_LED 7 IR 8 GND 2012 01 14 Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for traini...

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