LG 43UF640 -ZA Series Page 71 Service Manual Download | Manualshive

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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.

SCART_JACK_H

SIGN460005

SC_B

C4604
0.1uF

EU

SC_G

VA4606

5.6V

EU

VA4611
5.6V

EU

R4614

22

EU

VA4602
5.6V

EU

L4600

BLM18PG121SN1D

EU

VA4607

5.6V

EU

R4610
75

EU

SC_ID

R4617
3.9K

R4605
10K

EU

DTV/MNT_R_OUT

R4603

470K

EU

R4608
75

EU

R4616

15K

EU

+3.3V_NORMAL

C4606
68pF
50V

OPT

SC_R

R

4

6

0

7

7

5

1

/

4

W

1

%

EU

R4606
10K

EU

R4615
0

EU

C4605
47pF
50V

EU

C4603
4700pF

EU

VA4600

20V

EU_ESD_SC_ID(MAIN)

SC_DET

R4611
75

EU

R4602
100

EU

R4609
75

EU

JK4600

PSC008-01

EU

1

AUDIO_R_OUT

2

AUDIO_R_IN

3

AUDIO_L_OUT

4

AUDIO_GND

5

B_GND

6

AUDIO_L_IN

7

B_OUT

8

ID

9

G_GND

10

D2B_IN

11

G_OUT

12

D2B_OUT

13

R_GND

14

RGB_GND

15

R_OUT

16

RGB_IO

17

SYNC_GND1

18

SYNC_GND2

19

SYNC_OUT

20

SYNC_IN

21

COM_GND

22

AV_DET

VA4601

5.6V

EU

R4601

10K

EU

C4600

1000pF
50V

EU

VA4604

5.5V

EU

SC_FB

C4602
4700pF

EU

VA4605

5.5V

EU

DTV/MNT_V_OUT

VA4608

5.6V

EU

R4612
12K

EU

R4613
12K

EU

L4601

BLM18PG121SN1D

EU

VA4609

5.5V

EU

R4604

75

EU

R4600

470K

EU

SC_CVBS_IN

SC_L_IN

SC_R_IN

C4601

1000pF

50V

EU

VA4610

5.5V

EU

C4607
68pF
50V

OPT

DTV/MNT_L_OUT

VA4603
5.5V

EU

VA4600-*1

ICVL0518100Y500FR_

EU_ESD_SC_ID(SUB)

46

LM14A

2015-01-21

SCART JACK_H

Full Scart

CLOSE TO JUNCTION

BSD-15Y-LM14A-046_00-HD

Copyright © 2015 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for 43UF640 -ZA Series

Page 1: ...MODEL 43 49UF640 43 49UF640 ZA 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: ...ights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 15 BLOCK DIAGRAM 21 EXPLODED VIEW 30 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

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: ...ithuania Poland Portugal Romania Albania Bosnia Slovakia Belarus DTV MPEG2 4 DVB T2 11 countries UK Ireland Sweden Denmark Finland Norway Ukraine Kazakhstan Russia Italy Croatia Serbia DTV MPEG2 4 DVB C 37 countries Germany Netherland Switzerland Hungary Austria Slovenia Bulgaria France Spain Italy Belgium Russia Luxemburg Greece Czech Cro atia Turkey Morocco Ireland Latvia Estonia Lithuania Polan...

Page 7: ... Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB T2 Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 DVB C Symbolrate 4 0 Msymbols s to 7 2 Msymbols s Modulation 16...

Page 8: ...put Level Y CB PB CR PR 0 6 0 7 0 8 Vpp No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 1 720 480 15 73 60 13 5135 SDTV DVD 480I 2 720 480 15 73 59 94 13 5 SDTV DVD 480I 3 720 480 31 50 60 27 027 SDTV 480P 4 720 480 31 47 59 94 27 0 SDTV 480P 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 33 75 60 00 74 25 HDTV 1080I 8 1920 1080 33 72 59 94 7...

Page 9: ...920 1080 33 71 29 97 79 12 HDTV 1080P 18 1920 1080 33 75 30 00 79 20 HDTV 1080P 19 1920 1080 56 25 50 00 148 50 HDTV 1080P 20 1920 1080 67 43 59 94 148 35 HDTV 1080P 21 1920 1080 67 50 60 00 148 50 HDTV 1080P 22 3840 2160 53 95 23 98 297 00 UDTV 2160P UHD only 23 3840 2160 54 00 24 00 297 00 UDTV 2160P UHD only 24 3840 2160 56 25 25 00 297 00 UDTV 2160P UHD only 25 3840 2160 61 43 29 97 297 00 UDT...

Page 10: ...600 37 87 60 32 40 00 VESA SVGA 5 1024 768 48 36 60 00 65 00 VESA XGA 6 1152 864 54 34 60 05 80 00 VESA 7 1280 1024 63 98 60 02 109 00 VESA SXGA FHD only 8 1360 768 47 71 60 01 85 00 VESA WXGA 9 1920 1080 67 50 60 00 158 40 WUXGA CEA 861D FHD only 10 3840 2160 67 50 30 00 297 00 UDTV 2160P UHD only 11 3840 2160 56 25 25 00 297 00 UDTV 2160P UHD only 12 3840 2160 54 00 24 00 297 00 UDTV 2160P UHD o...

Page 11: ...rcumstance of above 15 C for 2 hours In case of keeping module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours Caution When still image is displayed 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 Automatic Adjustm...

Page 12: ...itialized Not always It is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of Adjustment remote control 2 Go to the menu 7 Model Number D L like below photo 3 Input the Factory model name ex 47LB650V ZA or Serial number like photo 4 Check the model name Instart menu Factory name displayed ex 47LB650V ZA 5 Check the Diagnostics DTV country only Buyer model...

Page 13: ...0 01 01 01 01 10 01 19 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 08 E8 00 30 F2 70 5A 80 B0 58 40 8A 00 40 84 63 00 00 1E 02 3A 80 18 71 38 2D 40 50 58 2C 45 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 88 3C 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 A0 0 1 2 3 4 5 6 7 8 9 A B C D E...

Page 14: ... 5F 62 63 64 29 3D 06 C0 15 07 50 A0 09 57 07 6E 03 0C 00 20 00 B8 3C 20 00 80 01 02 B0 03 04 E5 0E 60 61 65 66 01 1D 80 18 71 1C 16 20 C0 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 72 51 D0 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E 00 00 00 00 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0D 0 1 2 3 4 5 6 7 8 9 A B C D E F 80 02 03 35 F1 54 10 9F 04 1...

Page 15: ...4 63 00 00 1E 02 3A 80 18 71 38 2D 40 50 58 2C 45 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 88 3C 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 A0 0 1 2 3 4 5 6 7 8 9 A B C D E F 80 02 03 41 F1 58 10 9F 04 13 05 14 03 02 12 20 21 90 22 15 01 60 61 5D 5E 5F 65 66 62 63 64 23 09 57 A0 07 6E 03 0C 00 10 00 B8 3C 20 00 80 01 02 03 04 B0 67 D8 5D C4 01 78 80 ...

Page 16: ...ete OK 6 Remove probe and RS 232C to USB cable to complete adjustment V com Adj must begin as start command va 00 00 and finish as end command wb 00 ff V com adjust data 4 3 White Balance Adjustment 4 3 1 Overview W B adj Objective How it works 1 Objective To reduce each Panel s W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Range In ord...

Page 17: ...EDIUM WARM 3 modes of color temperature G fix adjustment Adjust modes Cool Fix the G gain to 172 default data and change the others G B Gain Adjust two modes Medium Warm Fix the one of R G B gain to 192 default data and decrease the others If internal pattern is not available use RF input In EZ Adj menu 7 White Balance you can select one of 2 Test pattern ON OFF Default is inner ON By selecting OF...

Page 18: ...every lot Sequence test 1 If you select the start key OK on the Adjustment remote control you can pairing with the TV SET 2 You can check the cursor on the TV Screen when select the OK key on the Adjustment remote control 3 You must remove the pairing with the TV Set by select Mute OK Key on the Adjustment remote control 4 6 3D function test Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 4 HDM...

Page 19: ...o Stand by mode 5 GND and Internal Pressure check 5 1 Method 1 GND Internal Pressure auto check preparation Check that Power Cord is fully inserted to the SET If loose re insert 2 Perform GND Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the auto check process Connect D terminal to AV JACK TESTER Auto CONTROLLER GWS103 4 ON Perform GND TEST If NG Buzze...

Page 20: ...ically Download 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 new 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...

Page 21: ...I Air Cable TUNER T2 C A TUNER S2 DVB S DEMOD S2 LNB 51P eMMC 4GB Sub Micom RENESAS R5F100GEAFB DDR3 1866 X 32 256MB X 2EA P_TS X_TAL 24MHz T2 C S2 W O AD A B X_TAL 32 768KHz I2S Out I2C 4 Vx1 USB I2C 1 AV COMP SCART IN OUT OCP R E A R CVBS YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 3 HW Port SUB ASSY IR KEY WIFI USB_WIFI CVBS DDR3 1866 X 32 512MB X 2EA USB1 2 0 URSA11 HDMI2 ARC With URSA model BLOCK D...

Page 22: ... 22 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 2 Internal ...

Page 23: ...PIO28 SCK0 GPIO83 GPIO29 SDA0 GPIO84 I2C_SCL SDA6 SW DIM2 TX4 GPIO112 DIM3 RX4 GPIO113 1 8KΩ I2C SCL SDA1 HW DDCR_CK SCK3 GPIO54 DDCR_DA SDA3 GPIO53 33Ω I2C SCL SDA5 HW GPIO32 SCK5 GPIO87 GPIO33 SDA5 GPIO88 TU6702 TUNER 1 8KΩ 33Ω MSTAR LM14A IC101 NVRAM 3 3V_NORMAL 1 8KΩ I2C_SCL SDA2 HW GPIO30 SCK4 GPIO31 SDA4 33Ω TU6702 TUNER 3 3V_TU 3 3V_NORMAL 3 3V_LNA_TU 100Ω 3 3V_NORMAL IC7700 SW5094A PMIC 33...

Page 24: ...V 1 15V URSA DC DC Converter MP8762HGLE Z_10A 1 5V_U_DDR URSA DDR DC DC Converter BD9D320EFJ _3A Power 13 5V I2CS_SDA I2CS_SCL LOCKn HTPDn UART2_TX UART2_RX 3D_EN LM14A Vx1 VIDEO 8Lane Vx1 OSD 4Lane Data_Format_1 Data_Format_0 I2C_S Port 4 Pin URSA DEBUG Switch I2C_SDA7 I2C_SCL7 I2CS_SCL I2CS_SDA SDA2_ 3 3V_DB SCL2_ 3 3V_DB UART UART2_TX UART2_RX Jig Download UART UART1_TX IRE URSA11 PQ URSA11 SYS...

Page 25: ...M17 TS1VALID AN16 TS1SYNC TS_OUT_CLK TS_OUT_VAL TS_OUT_SYNC PCM_RESET CAM_WAIT_N REG CAM_IREQ_N CI_OE CI_WE VCC AE3 GPIO_PM4 5V_CI_ON TDJM G301D 3 3V_TUNER 11 3 3V_Demod_TU 26 1 1V_D_Demod_Core 28 IF_P 6 IF_N 7 FE_DEMOD1_TS_ERROR_TU 12 FE_DEMOD1_1_TS_CLK 14 FE_DEMOD1_TS_SYNC 15 FE_DEMOD1_TS_VAL 16 FE_DEMOD1_TS_DATA 0 17 FE_DEMOD1_TS_DATA 1 18 FE_DEMOD1_TS_DATA 2 19 FE_DEMOD1_TS_DATA 3 20 FE_DEMOD1...

Page 26: ...MP1 AV1 DVI_L_IN LINE_IN_0R COMP1 AV1 DVI_R_IN SC_CVBS_IN SC_FB ID SC_R G B SC_L R_IN TU_CVBS_TU TUNER_SIF IF_P N_TU CVBS2 SC_CVBS_IN SC_FB ID VSYNC0 HSYNC0 RIN0P GIN0P BIN0P LINE_IN_1L LINE_IN_1R SC_R G B SC_L R_IN CVBS0 SIFP VIFP VIFM TU_CVBS TUNER_SIF IF_P N FE_DEMOD1 2_TS_ERROR CLK SYNC VAL FE_DEMOD1 2_TS_ERROR CLK SYNC VAL AV1_CVBS_IN AV1_CVBS_IN CVBS1 DTV MNT_V_OUT CVBSOUT1 DTV MNT_V_OUT DTV...

Page 27: ... LINEOUT_L2 LINEOUT_R2 SC_L_IN SC_R_IN SCART_L Rout AUD_LRCK 4P WAFER TUNER_SIF AUD_LRCH AUD_SCK GPIO20 LED1 GPIO75 I2C_SDA4 I2C_SCL4 IC3000 MICOM AMP_MUTE LINEIN_L1 LINE_N_R1 LINEIN_L0 LINE_N_R0 JK3802 DVB only DVB only JK4600 PWM3 GPIO155 AMP_RESET_N JK3800 LPF SPEAKER_L SPEAKER_R IC6000 AZ4580MTR OP AMP Mute CTRL TR SCART_MUTE SCART JK4600 LPF I2S_OUT_WS GPIO98 I2S_OUT_SD GPIO101 I2S_OUT_BCK GP...

Page 28: ...REMOTE RENESAS MICOM IC3000 LM14A X Tal X3000 32 768kHz HDMI1 MHL HDMI2 0 DDC_SCL_1 DDC_SDA_1 TMDS Link 8bits MHL_DET_LM15 DDC_SCL_3 DDC_SDA_3 TMDS Link 8bits TMDS DATA 6bits DATA0 1 2 TMDS CLK 2bits TMDS Link 8bits HDMI_CEC_MICOM Q3001 IC3301 EDID External EDID DDCDD_CK GPIO44 DDCDD_DA GPIO45 DDCDA_CK GPIO38 DDCDA_DA GPIO39 GPIO_PM 14 GPIO24 8 HDMI ...

Page 29: ...158 OCP IC2302 5V_USB_3 USB_OCD3 USB_CTL3 WIFI_DM WIFI_DP DM_P0 DP_P0 RENESAS MICOM IC3000 GPIO3 TX1 GPIO58 GPIO4 RX1 SOC_TX SOC_RX DM_PSS1 DP_PSS1 SAR0 GPIO46 SAR1 GPIO47 DM_PSS DP_PSS GPIO_PM 1 PM_UART1 GPIO11 GPIO_PM 5 PM_UART1 GPIO15 RS232C_Debug 4P wafer USB2 0 LM14A WIFI only M_RFModule_RESET GPIO_PM 10 SPI CZ2N GPIO20 SSUSB_RXP N SSUSB_TXP N 9 USB WIFI M REMOTE UART ...

Page 30: ...y electrical 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMP...

Page 31: ...LD59R LM14A Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 32: ...112 F14 DIM3 RX4 GPIO113 F12 GPIO2 GPIO57 AJ27 GPIO28 SCK0 GPIO83 AJ7 GPIO29 SDA0 GPIO84 AH8 DDCR_CK SCK3 GPIO54 E11 DDCR_DA SDA3 GPIO53 E10 GPIO30 SCK4 GPIO85 AJ6 GPIO31 SDA4 GPIO86 AG8 GPIO32 SCK5 GPIO87 AH7 GPIO33 SDA5 GPIO88 AJ8 VID0 GPIO50 L6 VID1 GPIO51 M6 LED0 GPIO29 AD5 LED1 GPIO30 AD4 WOL_INT_OUT GPIO GPIO52 AB5 LVSYNC VX1_0 AF32 LHSYNC VX1_0 AF31 LDE VX1_1 AG32 LCK VX1_1 AG31 R_ODD 7 LVB...

Page 33: ...3 VDDC_CPU_13 Y24 VDDC_CPU_14 Y25 VDDC_CPU_15 AA22 VDDC_CPU_16 AA23 VDDC_CPU_17 AA24 VDDC_CPU_18 AA25 VDDC_CPU_19 AB24 VDDC_CPU_20 AB25 MCP_VDDC_1 AE16 MCP_VDDC_2 AF16 DVDD_NODIE L13 DVDD_DDR_1 K21 DVDD_DDR_2 N21 DVDD_DDR_3 M21 DVDD_DDR_4 L21 VDDC_24 AC17 VDDC_25 AC18 VDDC_26 AC19 VDDC_27 AC20 VDDC_28 AC21 VDDC_29 AC22 VDDC_30 AD17 VDDC_31 AD18 VDDC_32 AD19 VDDC_33 AD20 VDDC_34 AD21 VDDC_35 AD22 V...

Page 34: ...Q17 M1_DDR_RESET_N IC402 AP2303MPTR G1 3 VREFEN 2 GND 4 VOUT 1 VIN 5 NC_1 6 VCNTL 7 NC_2 8 NC_3 9 EP C427 0 1uF M1_DDR_DQ12 M0_DDR_DQ29 M0_DDR_DQ0 M1_DDR_A7 M0_DDR_DQ30 AVDD_DDR M0_DDR_A0 M0_DDR_A11 M1_DDR_RASN M0_DDR_DQS_N3 M1_DDR_DQS0 M0_DDR_A4 M0_DDR_A2 M1_DDR_RASN K4B4G1646D BCMA IC404 1 SS_DDR3_4Gb_25n EAN63391401 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A1...

Page 35: ...K R644 0 TCK0 C612 1000pF OPT 50V C616 0 047uF USB_DP3 C618 0 047uF SC_B BIT7 SOC_RESET USB_DP1 SC_FB COMPENSATION_DONE_1 C613 0 047uF SCART_Lout EPHY_RDN MHL_OCP IC100 LGE5332 LM14A A_RX0N T2 A_RX0P T3 A_RX1N U1 A_RX1P V2 A_RX2N V3 A_RX2P W2 A_RXCN R1 A_RXCP R2 DDCDA_CK GPIO38 R6 DDCDA_DA GPIO39 T5 HOTPLUGA Y2 CEC0 GPIO5 V6 HOTPLUGA_HDMI20_5V GPIO34 U4 B_RX0N L1 B_RX0P M2 B_RX1N M3 B_RX1P N2 B_RX...

Page 36: ...ND_165 T17 GND_166 T18 GND_167 T19 GND_168 T20 GND_169 T21 GND_170 T22 GND_171 T23 GND_172 T24 GND_173 T25 GND_174 T26 GND_175 U2 GND_176 U3 GND_177 U8 GND_178 U9 GND_179 U10 GND_180 U14 GND_181 U15 GND_182 U16 GND_183 U17 GND_184 U18 GND_185 U20 GND_186 U26 GND_187 V1 GND_188 V8 GND_189 V9 GND_190 V10 GND_191 V11 GND_192 V12 GND_193 V13 GND_194 V14 GND_195 V15 GND_196 V16 GND_197 V20 GND_198 V21 ...

Page 37: ...IOWR GND CI_OE FE_DEMOD1_TS_SYNC CI_CD1 CI_ADDR 3 AR907 33 CI_SLOT CI_MDI 1 CAM_CD1_N TPI_SOP R914 47 CI_SLOT EB_DATA 0 7 JK900 1 10125901 015LF OLED_CI_SLOT G1 G2 57 21 52 16 10 47 41 5 36 59 23 45 54 18 49 43 13 7 38 2 25 56 20 51 15 9 46 40 4 35 58 22 53 17 11 48 42 12 6 37 1 24 55 19 50 44 14 8 39 3 26 60 27 61 28 62 29 63 30 64 31 32 33 34 65 66 67 68 69 AR902 33 CI_SLOT TPI_DATA 7 C901 0 1uF...

Page 38: ...uF 16V R2322 22K 1 C2342 10uF 10V 3 3V_NORMAL L2303 BLM18PG121SN1D R2303 1K 1 ZD2300 DCDC_Diode C2317 22uF 10V IC2301 AZ1117EH ADJTRG1 ADJ GND OUT IN C2318 0 1uF 25V 5V_NORMAL 12V C2321 22uF 10V R2324 15K 1 16W 1 C2343 82pF 50V IC2300 1 TPS54327DDAR TI_TPS54327_1 5V_DDR_DCDC 3 VREG5 2 VFB 4 SS 1 EN 5 GND 6 SW 7 VBST 8 VIN 9 EP GND C2310 10uF 10V C2324 0 1uF 25V R2330 100 IC2304 TPS563200 3 VIN 2 S...

Page 39: ... EP GND R2522 11K 1 1 1V_VDDC_CPU C2517 0 1uF 16V Q2503 1 2N7002K DIODEDS_CPU_CORE_VID_FET SUB S D G 12V R2517 10K Q2503 2N7002KA KEC_CPU_CORE_VID_FET MAIN G D S C2513 0 1uF 16V OPT C2518 22uF 10V C2516 2200pF 50V R2523 10K 1 CPU_VID1 C2510 10uF 16V UF77 C2519 22uF 10V R2520 1 6K 1 ZD2500 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2501 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A R2519 75K 1 16W 1 CPU_VID...

Page 40: ...3 5V_ST C3001 0 47uF CEC_REMOTE R3021 1 1K OLED POWER_ON OFF2_4 3 5V_ST R3034 120K IR X3000 32 768KHz DAISHINKU_MICOM_CRYSTAL SUB EAW58239602 RL_ON C3004 0 1uF 16V WOL_WAKE_UP LOGO_LIGHT SW3000 JTP 1127WEM MICOM_RESET_SW 1 2 4 3 R3029 33 MICOM_RESET_22OHM MHL_DET_LM15 R3000 100 SIDE_HP_MUTE MICOM_RESET WOL WIFI_POWER_ON 3D L_DIM_EN KEY1 MODEL1_OPT_0 RUE003N02 Q3001 ROHM_CEC_FET MAIN EBK61731401 S ...

Page 41: ... CEC 5 DATA1_SHIELD 20 SHIELD 12 CLK 11 CLK_SHIELD 2 DATA2_SHIELD 19 HPD 18 5V_POWER 10 CLK 4 DATA1 1 DATA2 17 DDC CEC_GND 9 DATA0 8 DATA0_SHIELD 3 DATA2 16 SDA 7 DATA0 6 DATA1 15 SCL R3304 1K AR3300 33 1 16W HDMI_HPD_1 VA3308 ESD_HDMI R3305 4 7K OPT 5V_DET_HDMI_1 R3324 1 8K R3300 100K OPT VA3312 ESD_HDMI R3303 1K OPT Q3300 2N3904S OPT E B C R3336 33 R3335 3 3K 5V_HDMI_1 R3302 1K OPT IC3301 BR24G0...

Page 42: ...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 E LUG VA3801 5 6V VA3805 5 5V R3800 470K C3811 47pF 50V R3813 10K 3 3V_NORMAL COMP1_Pb 3 3V_NORMAL COMP1_DET VA3804 5 5V R3831 0 R3807 10K VA3802 5 6V COMP1_Pr C3822 150pF OPT AV1_CVBS_DET C3801 560pF 50V OPT C3806 100pF 50V OPT C3800 18pF 50V C3815 10pF 50V C3818 0 1uF 16V C3812 27pF ...

Page 43: ...E_SCL R4103 330 1 16W 5 IR_PROTO C4109 5pF 50V 3 5V_ST P4100 SMAW200 H14S5K 14 14 9 9 4 4 13 13 8 8 3 3 12 12 7 7 2 2 11 11 6 6 1 1 10 10 5 5 15 15 LED_R C4111 0 1uF OPT C4108 0 1uF C4112 0 1uF OPT C4107 5pF 50V M_RFModule_RESET 3 3V_NORMAL IC4101 AO R123C7G LG IR_PROTO G GND V VS O OUT 3 5V_ST KEY1 C4105 100pF 50V WIFI_DP AR4100 100 1 16W EYE_SENSOR R4113 0 R4114 0 R4117 100 UF68 R4118 100 C4103 ...

Page 44: ...HAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC USB 2015 01 21 43 UF64 6800 USB_DP3 D4302 DF3D6 8MS 5V_USB_3 USB_DM3 C4323 22uF 10V JK4302 3AU04S 305 ZC LG 1 2 3 4 5 C4322 10uF 10V R4300 2 2 R4301 2 2 D4301 USB1 MAX 1 0A Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 45: ...SC_DET R4611 75 EU R4602 100 EU R4609 75 EU JK4600 PSC008 01 EU 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 D2B_IN 11 G_OUT 12 D2B_OUT 13 R_GND 14 RGB_GND 15 R_OUT 16 RGB_IO 17 SYNC_GND1 18 SYNC_GND2 19 SYNC_OUT 20 SYNC_IN 21 COM_GND 22 AV_DET VA4601 5 6V EU R4601 10K EU C4600 1000pF 50V EU VA4604 5 5V EU SC_FB C4602 4700pF EU VA4605 5 5V EU DT...

Page 46: ..._ESD 1st EAG35781015 U D ELECTRONIC CORP 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 C5001 0 01uF 50V VA5000 5 5V LAN_ESD MAIN EPHY_RDP VA5000 1 ICVS0518150FR_ LAN_ESD SUB VA5001 1 ICVS0518150FR_ LAN_ESD SUB VA5002 1 ICVS0518150FR_ LAN_ESD SUB VA5003 1 ICVS0518150FR_ LAN_ESD SUB JK5000 2 36TM9G 30150 02HF NEW_LAN_JACK_3SIM T 36TM9G_30150_02HF FREEPORT RESOURCES ENTERPRISES CORP 1 1 2 2 3 3 4 4 5 5 6 6 7 7...

Page 47: ...0MMGK TAIYO_AMP_COIL C5801 1uF 10V SPK_L L5805 10 0uH NRS6045T100MMGK TAIYO_AMP_COIL IC5800 NTP7515 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 NC_4 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 MONITOR_2 16 BST2B 17 PGND2B 18 OUT2B 19 PVDD2B 20 PVDD2A 21 OUT2A 22 PGND2A 23 BST2A 24 VDR2 25 AGND 26 NC_5 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1...

Page 48: ...0 1 16W 5 EU R6014 1K EU Q6002 1 PDTA114ET EU_SCART_MUTE_NXP E B C DTV MNT_L_OUT Q6001 MMBT3904 NXP EU E B C C6003 33pF EU SCART_Rout R6010 470K OPT C6002 6800pF OPT R6020 0 1 16W 5 EU R6008 33K EU R6005 220K EU R6003 10K EU DTV MNT_R_OUT R6000 2 2K EU R6016 5 6K EU SCART_AMP_L_FB SCART_Lout R6015 100K 1 16W 5 OPT R6019 0 1 16W 5 EU C6009 330pF EU 12V SCART_AMP_R_FB C6004 0 1uF 50V EU C6012 330pF ...

Page 49: ...10V TU_M W L6505 PZ1608U121 2R0TF TU_M W R6517 200 TU_ALL_2178B LNB_OUT C6515 1uF 25V TU_M W FE_DEMOD1_TS_DATA 5 FE_DEMOD1_TS_ERROR R6506 1K TU_ALL_IntDemod RF_SWITCH_CTL_TU FE_DEMOD1_TS_CLK IF_AGC Q6502 1 MMBT3906 NXP NXP_TU_ALL_2178B_TR E B C I2C_SCL5_TU 3 3V_LNA_TU LNB_TX FE_DEMOD1_TS_CLK R6500 10K TU_M W TU_CVBS_TU C6512 18pF 50V OPT C6504 0 1uF TU_K M W_TW BR CO I2C_SDA2 FE_DEMOD1_TS_DATA 2 Q...

Page 50: ...S_DATA 1 TU6702 TDJM G301D TU_M_EU 1 3 3V 2 NC_1 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 SIF 9 CVBS 10 NC_2 11 3 3V_RF 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VALID 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 23 D6 24 D7 25 RESET_DEMOD 26 3 3V_DEMOD 27 SCL_DEMOD 28 1 2V_DEMOD 29 NC_3 30 SDA_DEMOD 31 LNB 47 SHIELD 32 GND B1 B1 A1 A1 TU_RESET1_TU TU6702 3 TDJM B301F TDJM B301F 1 3 3V 2 NC_1 3 NC_2 4 SCL_...

Page 51: ...N 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND C6910 0 1uF 50V LNB C6912 0 1uF LNB R6904 0 A_GND LNB_TX C6903 0 01uF 50V LNB D6901 30V MBR230LSFT1G LNB_ONSEMI R6903 39K 1 16W 1 LNB D6902 30V LNB_ONSEMI C6902 0 22uF 25V LNB D6903 40V LNB_SMAB34 D6903 1 40V LNB_SX34 R6908 0 LNB_NON_Tx C6904 0 1uF 50V LNB C6900 0 1uF LNB A_GND D6904 1 40V LNB_SX34 C6909 10uF 25V LNB...

Page 52: ... 47k ohm C7767 10uF 10V GMA1 C7792 10pF 50V C7742 4 7uF 50V HVDD C7724 10uF 16V TCOMP C7730 150pF 50V C7746 4 7uF 50V D7702 40V SX34 R7723 120K 1 R7715 47 C7787 0 22uF 16V RE C7733 150pF 50V R7731 9 1K 1 10W 5 C7768 10uF 25V CLK2 R7714 47 R7708 2K 1 16W C7732 150pF 50V VGH SWI CLK5 C7715 10uF 10V PVCC R7757 150K 1 16W 1 SWN C7736 150pF 50V D7701 40V SX34 C7721 10uF 25V C7709 10uF 10V CLK6 COMP2 R7...

Page 53: ... C7907 0 1uF 25V TXVBY1_3N TXOSD_0P LOCKAn_OSD LS_VGL TP7900 CLK6 C7904 1uF 16V CLK2 LS_VGL VDD HVDD TXOSD_1N TXOSD_0N GMA4 VGL1 CLK5 CLK4 P7900 FF05T 60P 60P_EPI_Wafer 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 P7901 FF05T 60P 60P_EPI_Wafer 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 54: ..._99 N14 NC_100 P1 NC_101 P2 NC_102 P8 NC_103 P9 NC_104 P11 NC_105 P12 NC_106 P13 NC_107 P14 C8106 2 2uF 10V C8105 0 1uF 16V DVDD18_EMMC C8103 2 2uF 10V R8106 0 EMMC_CLK_BALL AR8103 10K 1 16W C8102 0 1uF 16V C8109 2 2uF 10V OPT EMMC_CMD_BALL DAT6 IC8100 1 THGBMBG6D1KBAIL EMMC5 0_8G_TOSHIBA DAT0 A3 DAT1 A4 DAT2 A5 DAT3 B2 DAT4 B3 DAT5 B4 DAT6 B5 DAT7 B6 CLK M6 CMD M5 VSS_1 A6 RFU_2 A7 NC_21 C5 RFU_4...

Page 55: ...OF THE SCHEMETIC LM14A_ONLY 2014 09 16 135 LM14A EAG64250901 M13500 EAG64250901 M13502 MDS62110225 M13501 OPT GASKET_8 0X6 0X10 5H MDS62110225 M13503 OPT GASKET_8 0X6 0X10 5H MDS62110225 M13505 SMD_BOT_COMP2_10 5T GASKET_8 0X6 0X10 5H MDS62110225 M13507 OPT GASKET_8 0X6 0X10 5H CLIP Top Side for Covershield LM14A_ONLY SMD Bottom Side for ESD CLIP 1 PUSH TYPE Copyright 2015 LG Electronics Inc All r...

Page 56: ...T_8 0X6 0X10 5H SMD_BOT_2_10 5T MDS62110225 M13716 GASKET_8 0X6 0X10 5H SMD_BOT_TU1 MDS62110225 M13717 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13718 GASKET_8 0X6 0X10 5H SMD_BOT_TU2 MDS62110225 M13715 GASKET_8 0X6 0X10 5H SMD_BOT POWER_DET_1 WIFI_EN WOL WIFI_POWER_ON WOL_WAKE_UP WOL_CTL D0 _HDMI2 D1 _HDMI2 D2 _HDMI2 MHL_OCP HDMI_HPD_2 SSUSB_RXN SSUSB_TXP CK _HDMI2 SSUSB_RXP USB_DM2 SSUSB_TXN USB...

Page 57: ...LD5ZR LM14A URSA11 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ...112 F14 DIM3 RX4 GPIO113 F12 GPIO2 GPIO57 AJ27 GPIO28 SCK0 GPIO83 AJ7 GPIO29 SDA0 GPIO84 AH8 DDCR_CK SCK3 GPIO54 E11 DDCR_DA SDA3 GPIO53 E10 GPIO30 SCK4 GPIO85 AJ6 GPIO31 SDA4 GPIO86 AG8 GPIO32 SCK5 GPIO87 AH7 GPIO33 SDA5 GPIO88 AJ8 VID0 GPIO50 L6 VID1 GPIO51 M6 LED0 GPIO29 AD5 LED1 GPIO30 AD4 WOL_INT_OUT GPIO GPIO52 AB5 LVSYNC VX1_0 AF32 LHSYNC VX1_0 AF31 LDE VX1_1 AG32 LCK VX1_1 AG31 R_ODD 7 LVB...

Page 59: ...3 VDDC_CPU_13 Y24 VDDC_CPU_14 Y25 VDDC_CPU_15 AA22 VDDC_CPU_16 AA23 VDDC_CPU_17 AA24 VDDC_CPU_18 AA25 VDDC_CPU_19 AB24 VDDC_CPU_20 AB25 MCP_VDDC_1 AE16 MCP_VDDC_2 AF16 DVDD_NODIE L13 DVDD_DDR_1 K21 DVDD_DDR_2 N21 DVDD_DDR_3 M21 DVDD_DDR_4 L21 VDDC_24 AC17 VDDC_25 AC18 VDDC_26 AC19 VDDC_27 AC20 VDDC_28 AC21 VDDC_29 AC22 VDDC_30 AD17 VDDC_31 AD18 VDDC_32 AD19 VDDC_33 AD20 VDDC_34 AD21 VDDC_35 AD22 V...

Page 60: ...Q17 M1_DDR_RESET_N IC402 AP2303MPTR G1 3 VREFEN 2 GND 4 VOUT 1 VIN 5 NC_1 6 VCNTL 7 NC_2 8 NC_3 9 EP C427 0 1uF M1_DDR_DQ12 M0_DDR_DQ29 M0_DDR_DQ0 M1_DDR_A7 M0_DDR_DQ30 AVDD_DDR M0_DDR_A0 M0_DDR_A11 M1_DDR_RASN M0_DDR_DQS_N3 M1_DDR_DQS0 M0_DDR_A4 M0_DDR_A2 M1_DDR_RASN K4B4G1646D BCMA IC404 1 SS_DDR3_4Gb_25n EAN63391401 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A1...

Page 61: ...K R644 0 TCK0 C612 1000pF OPT 50V C616 0 047uF USB_DP3 C618 0 047uF SC_B BIT7 SOC_RESET USB_DP1 SC_FB COMPENSATION_DONE_1 C613 0 047uF SCART_Lout EPHY_RDN MHL_OCP IC100 LGE5332 LM14A A_RX0N T2 A_RX0P T3 A_RX1N U1 A_RX1P V2 A_RX2N V3 A_RX2P W2 A_RXCN R1 A_RXCP R2 DDCDA_CK GPIO38 R6 DDCDA_DA GPIO39 T5 HOTPLUGA Y2 CEC0 GPIO5 V6 HOTPLUGA_HDMI20_5V GPIO34 U4 B_RX0N L1 B_RX0P M2 B_RX1N M3 B_RX1P N2 B_RX...

Page 62: ...ND_165 T17 GND_166 T18 GND_167 T19 GND_168 T20 GND_169 T21 GND_170 T22 GND_171 T23 GND_172 T24 GND_173 T25 GND_174 T26 GND_175 U2 GND_176 U3 GND_177 U8 GND_178 U9 GND_179 U10 GND_180 U14 GND_181 U15 GND_182 U16 GND_183 U17 GND_184 U18 GND_185 U20 GND_186 U26 GND_187 V1 GND_188 V8 GND_189 V9 GND_190 V10 GND_191 V11 GND_192 V12 GND_193 V13 GND_194 V14 GND_195 V15 GND_196 V16 GND_197 V20 GND_198 V21 ...

Page 63: ...IOWR GND CI_OE FE_DEMOD1_TS_SYNC CI_CD1 CI_ADDR 3 AR907 33 CI_SLOT CI_MDI 1 CAM_CD1_N TPI_SOP R914 47 CI_SLOT EB_DATA 0 7 JK900 1 10125901 015LF OLED_CI_SLOT G1 G2 57 21 52 16 10 47 41 5 36 59 23 45 54 18 49 43 13 7 38 2 25 56 20 51 15 9 46 40 4 35 58 22 53 17 11 48 42 12 6 37 1 24 55 19 50 44 14 8 39 3 26 60 27 61 28 62 29 63 30 64 31 32 33 34 65 66 67 68 69 AR902 33 CI_SLOT TPI_DATA 7 C901 0 1uF...

Page 64: ...ULTI 1 GND 2 OUT 3 VCC C2323 0 1uF 16V R2322 22K 1 C2342 10uF 10V 3 3V_NORMAL L2303 BLM18PG121SN1D R2303 1K 1 ZD2300 DCDC_Diode C2317 22uF 10V IC2301 AZ1117EH ADJTRG1 ADJ GND OUT IN C2318 0 1uF 25V 5V_NORMAL 12V C2321 22uF 10V R2324 15K 1 16W 1 C2343 82pF 50V IC2300 1 TPS54327DDAR TI_TPS54327_1 5V_DDR_DCDC 3 VREG5 2 VFB 4 SS 1 EN 5 GND 6 SW 7 VBST 8 VIN 9 EP GND C2310 10uF 10V C2324 0 1uF 25V R233...

Page 65: ...R2522 11K 1 1 1V_VDDC_CPU C2517 0 1uF 16V Q2503 1 2N7002K DIODEDS_CPU_CORE_VID_FET SUB S D G 12V R2517 10K Q2503 2N7002KA KEC_CPU_CORE_VID_FET MAIN G D S C2513 0 1uF 16V OPT C2518 22uF 10V C2516 2200pF 50V 1 0V_DCDC_ROHM R2523 10K 1 CPU_VID1 C2510 10uF 16V UF77 C2519 22uF 10V R2520 1 6K 1 ZD2500 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2501 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A R2519 75K 1 16W 1 ...

Page 66: ...3 5V_ST C3001 0 47uF CEC_REMOTE R3021 1 1K OLED POWER_ON OFF2_4 3 5V_ST R3034 120K IR X3000 32 768KHz DAISHINKU_MICOM_CRYSTAL SUB EAW58239602 RL_ON C3004 0 1uF 16V WOL_WAKE_UP LOGO_LIGHT SW3000 JTP 1127WEM MICOM_RESET_SW 1 2 4 3 R3029 33 MICOM_RESET_22OHM MHL_DET_LM15 R3000 100 SIDE_HP_MUTE MICOM_RESET WOL WIFI_POWER_ON 3D L_DIM_EN KEY1 MODEL1_OPT_0 RUE003N02 Q3001 ROHM_CEC_FET MAIN EBK61731401 S ...

Page 67: ... CEC 5 DATA1_SHIELD 20 SHIELD 12 CLK 11 CLK_SHIELD 2 DATA2_SHIELD 19 HPD 18 5V_POWER 10 CLK 4 DATA1 1 DATA2 17 DDC CEC_GND 9 DATA0 8 DATA0_SHIELD 3 DATA2 16 SDA 7 DATA0 6 DATA1 15 SCL R3304 1K AR3300 33 1 16W HDMI_HPD_1 VA3308 ESD_HDMI R3305 4 7K OPT 5V_DET_HDMI_1 R3324 1 8K R3300 100K OPT VA3312 ESD_HDMI R3303 1K OPT Q3300 2N3904S OPT E B C R3336 33 R3335 3 3K 5V_HDMI_1 R3302 1K OPT IC3301 BR24G0...

Page 68: ...803 5 6V C3810 27pF 50V OPT JK3802 PPJ245N2 01 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 E LUG VA3801 5 6V VA3805 5 5V R3800 470K C3811 47pF 50V R3813 10K 3 3V_NORMAL COMP1_Pb 3 3V_NORMAL COMP1_DET VA3804 5 5V R3831 0 R3807 10K VA3802 5 6V COMP1_Pr C3822 150pF OPT AV1_CVBS_DET ...

Page 69: ...E_SCL R4103 330 1 16W 5 IR_PROTO C4109 5pF 50V 3 5V_ST P4100 SMAW200 H14S5K 14 14 9 9 4 4 13 13 8 8 3 3 12 12 7 7 2 2 11 11 6 6 1 1 10 10 5 5 15 15 LED_R C4111 0 1uF OPT C4108 0 1uF C4112 0 1uF OPT C4107 5pF 50V M_RFModule_RESET 3 3V_NORMAL IC4101 AO R123C7G LG IR_PROTO G GND V VS O OUT 3 5V_ST KEY1 C4105 100pF 50V WIFI_DP AR4100 100 1 16W EYE_SENSOR R4113 0 R4114 0 R4117 100 UF68 R4118 100 C4103 ...

Page 70: ...HAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC USB 2015 01 21 43 UF64 6800 USB_DP3 D4302 DF3D6 8MS 5V_USB_3 USB_DM3 C4323 22uF 10V JK4302 3AU04S 305 ZC LG 1 2 3 4 5 C4322 10uF 10V R4300 2 2 R4301 2 2 D4301 USB1 MAX 1 0A Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ...SC_DET R4611 75 EU R4602 100 EU R4609 75 EU JK4600 PSC008 01 EU 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 D2B_IN 11 G_OUT 12 D2B_OUT 13 R_GND 14 RGB_GND 15 R_OUT 16 RGB_IO 17 SYNC_GND1 18 SYNC_GND2 19 SYNC_OUT 20 SYNC_IN 21 COM_GND 22 AV_DET VA4601 5 6V EU R4601 10K EU C4600 1000pF 50V EU VA4604 5 5V EU SC_FB C4602 4700pF EU VA4605 5 5V EU DT...

Page 72: ..._ESD 1st EAG35781015 U D ELECTRONIC CORP 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 C5001 0 01uF 50V VA5000 5 5V LAN_ESD MAIN EPHY_RDP VA5000 1 ICVS0518150FR_ LAN_ESD SUB VA5001 1 ICVS0518150FR_ LAN_ESD SUB VA5002 1 ICVS0518150FR_ LAN_ESD SUB VA5003 1 ICVS0518150FR_ LAN_ESD SUB JK5000 2 36TM9G 30150 02HF NEW_LAN_JACK_3SIM T 36TM9G_30150_02HF FREEPORT RESOURCES ENTERPRISES CORP 1 1 2 2 3 3 4 4 5 5 6 6 7 7...

Page 73: ...0MMGK TAIYO_AMP_COIL C5801 1uF 10V SPK_L L5805 10 0uH NRS6045T100MMGK TAIYO_AMP_COIL IC5800 NTP7515 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 NC_4 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 MONITOR_2 16 BST2B 17 PGND2B 18 OUT2B 19 PVDD2B 20 PVDD2A 21 OUT2A 22 PGND2A 23 BST2A 24 VDR2 25 AGND 26 NC_5 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1...

Page 74: ...0 1 16W 5 EU R6014 1K EU Q6002 1 PDTA114ET EU_SCART_MUTE_NXP E B C DTV MNT_L_OUT Q6001 MMBT3904 NXP EU E B C C6003 33pF EU SCART_Rout R6010 470K OPT C6002 6800pF OPT R6020 0 1 16W 5 EU R6008 33K EU R6005 220K EU R6003 10K EU DTV MNT_R_OUT R6000 2 2K EU R6016 5 6K EU SCART_AMP_L_FB SCART_Lout R6015 100K 1 16W 5 OPT R6019 0 1 16W 5 EU C6009 330pF EU 12V SCART_AMP_R_FB C6004 0 1uF 50V EU C6012 330pF ...

Page 75: ...C6518 10uF 10V TU_M W L6505 PZ1608U121 2R0TF TU_M W R6517 200 TU_ALL_2178B LNB_OUT C6515 1uF 25V TU_M W FE_DEMOD1_TS_DATA 5 FE_DEMOD1_TS_ERROR R6506 1K TU_ALL_IntDemod RF_SWITCH_CTL_TU FE_DEMOD1_TS_CLK IF_AGC Q6502 1 MMBT3906 NXP NXP_TU_ALL_2178B_TR E B C I2C_SCL5_TU 3 3V_LNA_TU LNB_TX FE_DEMOD1_TS_CLK R6500 10K TU_M W TU_CVBS_TU C6512 18pF 50V OPT C6504 0 1uF TU_K M W_TW BR CO I2C_SDA2 FE_DEMOD1_...

Page 76: ...S_DATA 1 TU6702 TDJM G301D TU_M_EU 1 3 3V 2 NC_1 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 SIF 9 CVBS 10 NC_2 11 3 3V_RF 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VALID 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 23 D6 24 D7 25 RESET_DEMOD 26 3 3V_DEMOD 27 SCL_DEMOD 28 1 2V_DEMOD 29 NC_3 30 SDA_DEMOD 31 LNB 47 SHIELD 32 GND B1 B1 A1 A1 TU_RESET1_TU TU6702 3 TDJM B301F TDJM B301F 1 3 3V 2 NC_1 3 NC_2 4 SCL_...

Page 77: ... 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND C6910 0 1uF 50V LNB C6912 0 1uF LNB R6904 0 A_GND LNB_TX C6903 0 01uF 50V LNB D6901 30V MBR230LSFT1G LNB_ONSEMI R6903 39K 1 16W 1 LNB D6902 30V LNB_ONSEMI C6902 0 22uF 25V LNB D6903 40V LNB_SMAB34 D6903 1 40V LNB_SX34 R6908 0 LNB_NON_Tx C6904 0 1uF 50V LNB C6900 0 1uF LNB A_GND D6904 1 40V LNB_SX34 C6909 10uF 2...

Page 78: ...100 1 2N7002K DIODES_LGD INX_Module_TCON_I2C_EN_FET SUB EBK42767801 S D G R7128 10K LOCKAn_HTPDAn_3 3VPullup Q7102 2N3904S KEC_LOCKAn_HTPDAn_3 3VPullup_TR E B C AR7101 0 1 16W Module_LGD_INX_CSHOT_MPLUS TXDAP6_L I2C_SDA6 R7113 0 Module_MPLUS HTPDAn TCON_I2C_EN R7100 0 Module_MPLUS 3D L_DIM_EN R7103 0 R7123 10K Module_LGD120Hz_SHARP R7132 10K LOCKAn_HTPDAn_3 3VPullup R7107 1K L_DIM_EN_pulldown TXDA...

Page 79: ...B14 NC_19 C1 NC_20 C3 NC_22 C7 NC_23 C8 NC_24 C9 NC_25 C10 NC_26 C11 NC_27 C12 NC_28 C13 NC_29 C14 NC_30 D1 NC_31 D2 NC_32 D3 NC_33 D4 NC_34 D12 NC_35 D13 NC_36 D14 NC_37 E1 NC_38 E2 NC_39 E3 NC_40 E12 NC_41 E13 NC_42 E14 NC_43 F1 NC_44 F2 NC_45 F3 NC_46 F12 NC_47 F13 NC_48 F14 NC_49 G1 NC_50 G2 NC_51 G12 NC_52 G13 NC_53 G14 NC_54 H1 NC_55 H2 NC_56 H3 NC_57 H12 NC_58 H13 NC_59 H14 NC_60 J1 NC_61 J...

Page 80: ...IAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2015 01 23 CLIP Vx1_CAP 135 LM14A EAG64250901 M13501 OPT EAG64250901 M13502 OPT CLIP Top Side for Covershield LM14A URSA11 UF68 64 CLIP 1 PUSH TYPE Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 81: ...T MDS62110225 M13714 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13712 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13713 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13710 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13716 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13717 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13718 GASKET_8 0X6 0X10 5H SMD_BOT MDS62110225 M13715 GASKET_8 0X6 0X10 5H SMD_BOT POWER_DET_1 WI...

Page 82: ..._GPIO1 K4 PAD_B2P L5 PAD_B2M L6 PAD_BCKP J6 PAD_BCKM H6 PAD_B3P J5 PAD_B3M J4 PAD_B4P G5 PAD_B4M G4 PAD_C0P H5 PAD_C0M G6 PAD_E0P VBY8 B3 PAD_E0M VBY8 A3 PAD_E1P VBY9 A4 PAD_E1M VBY9 B4 PAD_E2P VBY10 B5 PAD_E2M VBY10 C5 PAD_ECKP VBY11 A6 PAD_ECKM VBY11 C6 PAD_E3P VBY12 B7 PAD_E3M VBY12 C7 PAD_E4P VBY13 C8 PAD_E4M VBY13 B9 PAD_F0P VBY14 C9 PAD_F0M VBY14 A10 PAD_F1P VBY15 C10 PAD_F1M VBY15 B11 PAD_M...

Page 83: ...27 PAD_IO 88 B A15 CD A15 J24 PAD_IO 85 B BA0 CD BA0 H24 PAD_IO 93 B BA1 CD BA1 H27 PAD_IO 81 B BA2 CD BA2 G24 PAD_IO 97 B RASZ CD RASZ K24 PAD_IO 94 B CASZ CD CASZ K23 PAD_IO 79 B WEZ CD WEZ H23 PAD_IO 95 B ODT CD ODT J23 PAD_IO 91 B CKE CD CKE J27 PAD_IO 76 B RST CD RST D28 PAD_IO 101 B MCLK CD MCLK K28 PAD_IO 100 B MCLKZ CD MCLKZ J26 PAD_IO 99 B CSB1 C CSB1 D25 PAD_IO 98 B CSB2 D CSB2 C28 PAD_I...

Page 84: ...O R13235 10K URSA_BIT0_0 C13213 0 01uF 25V R13205 33 OPT R13240 10K URSA_BIT2_0 URSA_OPT_5 URSA_BIT2 L D_CLK R13220 10K URSA_OPT_4_1 SCL2_ 3 3V_DB URSA9_CONNECT R13203 33 OPT R13263 10K URSA_PQ_DEBUG C13210 1uF 10V OPT SW13201 JS2235S URSA_DEBUG 3 2 1 4 5 6 IC12800 LGE5352 URSA11 PAD_RESET AD26 PAD_XOUT AH4 PAD_XIN AH3 PAD_I2C_S_SDA AE9 PAD_I2C_S_SCL AD9 PAD_I2C_M_SDA AD10 PAD_I2C_M_SCL VSYNC_LIKE...

Page 85: ...N7002KA URSA11_VID_FET_KEC MULTI G D S R13416 0 URSA11_VID C13406 2200pF 50V IC13402 TPS53513RVER 1 RF 3 EN 7 SW_2 9 SW_4 10 PGND_1 11 PGND_2 12 PGND_3 13 PGND_4 14 PGND_5 15 VIN_1 16 VIN_2 17 VIN_3 18 NC_2 19 VDD 20 VREG 21 MODE 22 GND 23 FB 24 VO 25 TRIP 26 NC_3 27 GND1 28 GND2 5 NC_1 8 SW_3 6 SW_1 4 VBST 2 PGOOD 29 EP R13420 10K OPT C13447 0 1uF 16V R13417 0 URSA11_VID R13414 100K 1 16W 1 URSA1...

Page 86: ... 10uF 10V OPT L14804 BLM18PG121SN1D L14808 BLM18PG121SN1D URSA11 C14831 1uF 10V L14800 BLM18PG121SN1D C14822 10uF 10V C14808 0 1uF 16V C14803 10uF 10V AVDD_MOD L14805 BLM18PG121SN1D C14881 0 1uF 16V 1 5V_U_DDR AVDD_DVI_ALLRX C14837 0 1uF 16V C14842 0 1uF 16V C14844 0 1uF 16V C14839 0 1uF 16V C14890 0 1uF 16V C14820 10uF 10V C14851 0 1uF 16V C14843 0 1uF 16V C14809 0 1uF 16V 1 5V_U_DDR IC12800 LGE5...

Page 87: ......

Page 88: ...uto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 11 MR15 operating checking 11 12 Wifi operating checking 12 13 Camera operating checking 13 14 External device recognition error 14 15 E Noise Circuit noise mechanical noise 15 16 F Exterior error Exterior defect 16 First of all Check whether ther...

Page 89: ...parts End Always check 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 16 Error symptom A Video error No video Normal audio A18 A1 A18 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D Vx1 Cable Speak...

Page 90: ...and replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A18 Established date Revised date 2 16 Error symptom 2 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 91: ...mal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Advanced Channels Channel Tuning Manual Tuning Check the Signal Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N A4 Standard Repair Process Established date Revised date 3 16 Error sy...

Page 92: ...rnal device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main T con B D Replace Main T con B D N N A Video error Color error A6 N Y End Replace module Request repair for external device cable Color error Check Test pattern A8 A7 Standard Repair Process Established date Revised date 4 16 Error symptom 4 Copyright 2015 LG Electronics Inc All rights rese...

Page 93: ...y connecting Jig pattern Generator Set top Box etc N Y Replace Main T con B D Screen normal Check screen condition by input External Input Component HDMI DVI Request repair for external device Component 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 T con B D...

Page 94: ... 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 A17 A18 A18 A18 Standard Repair Process Established date Revised date 6 16 Error symptom 6 Stand By Red or Turn On Operating Turn Off Close N Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purpo...

Page 95: ...f 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 POWER...

Page 96: ...d and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A20 A21 A18 Disconnection Established date Revised date 8 16 Error symptom Standard Repair Process 8 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 97: ... Connect 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 Est...

Page 98: ...e Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A22 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 A18 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A22 Replace Main B D Y A22 Standard Repair Process Established date Revised date 10 16 Error symptom 10 Y...

Page 99: ...Revised date 11 16 Error symptom 11 Replace MR13 Turn off on the set and press the wheel Press the back key about 5sec Close If you conduct the loop at 3times change the M4 Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 14 RF Remocon Test 3 Firmware download Y RF Receiver ver is 00 00 N Close A23 A4 A4 Copyright 2015 LG Ele...

Page 100: ...onnection N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 Error symptom 12 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A24 A4 A4 A24 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ... NULL Y N Reconnect the Camera module Standard Repair Process Established date Revised date 13 16 Error symptom 13 Change the Camera module Normal operation Close Y N Replace Main B D A25 A4 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ... external device cable 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 14 16 Error symptom Standard Repair Process 14 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ...in the solution manual For models without any fix information provide the description 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 15 16 Error symptom Stan...

Page 104: ...eplace remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 Error symptom Standard Repair Process 16 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 105: ...t A5 6 A Video error _Vertical Horizontal bar residual image light spot Connection diagram A6 7 A Video error_ Color error Check Link Cable EPI reconnection condition A7 8 Adjustment Test pattern ADJ Key A8 9 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 10 Exchange Main Board 2 A 2 5 11 Exchange Power Board PSU A 3 5 12 Exchange Module 1 A 4 5 13 Exchange Modu...

Page 106: ...method A19 17 C Audio error_ No audio Normal video Checking method in menu when there is no audio A20 18 Voltage and speaker checking method when there is no audio A21 19 D Function error Remote control operation checking method A22 20 Motion Remote operation checking method A23 21 Wifi operation checking method A24 Continued from previous page Copyright 2015 LG Electronics Inc All rights reserved...

Page 107: ...ght with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from locations A1 43 49UF640V ZA 43 49UF6407 ZA Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 108: ...After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD Entry method 1 Press the ADJ button on the remote control for adjustment 2 Enter into White Balance of item 10 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 ALL MODELS Copyright 2015 LG Electronics In...

Page 109: ...andard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A3 Established date Revised date Error symptom Content A3 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 110: ...g stop 1 Checking method for remote control for adjustment Press the IN START with the remote control for adjustment Version ALL MODELS A4 Established date Revised date Error symptom Content A4 v Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 111: ... BOARD 3 If you can t see the UHD live TV please connect signal at left side of jack Korea model only Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content A5 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 112: ...ntal bar residual image light spot As the part connecting to the external input check the screen condition by signal A6 Established date Revised date Error symptom Content A6 ALL MODELS Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 113: ...on A Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content A7 ALL MODELS Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 114: ...patterns 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 A8 Established date Revised date Error symptom Content A8 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...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 Main Board 1 A 1 5 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 116: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange Main Board 2 A 2 5 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 117: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 118: ...ss damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage A 4 5 Un repairable Cases In this case please exchange the module Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 119: ...k 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 A 5 5 Un repairable Cases In this case please exchange the module Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 120: ...er Indicator B Power error _No power A17 Established date Revised date Error symptom Content A17 ST BY condition On or Off Power ON condition Turn Off Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 121: ...il Technical Manual Revised date A18 Error symptom Content Check power input voltage B Power error _No power A18 Check the DC 13 2V Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 122: ...em 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A19 Established date Revised date Error symptom Content A19 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 123: ...elect TV Speaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A20 Established date Revised date Error symptom Content A20 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 124: ...er 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 A21 Established date Revised date Error symptom Content A21 1 SPK_R 2 SPK_R 3 SPK_L 4 SPK_L Copyright 2015 LG Electronics Inc All rights reserve...

Page 125: ...efective Standard Repair Process Detail Technical Manual Remote control operation checking method D Function error A22 Established date Revised date Error symptom Content A22 1 GND 2 3 3V 3 WiFi_RESET 4 WiFi_DM 5 GND 6 WiFi_DP 7 EYE_SDA 8 GND 9 EYE_SCL 10 KEY2 11 IR 12 3 3V_STBY 13 LED_R 14 GND Checking order to check remote control IR Ass y Eye IR Copyright 2015 LG Electronics Inc All rights rese...

Page 126: ... Check Wifi cable condition between Wifi assy Main board 2 Check the 3 3V on the terminal 12 Checking order to check motion remote wifi Wifi Front Wifi Rear 1 GND 2 3 3V 3 WiFi_RESET 4 WiFi_DM 5 GND 6 WiFi_DP 7 EYE_SDA 8 GND 9 EYE_SCL 10 KEY2 11 IR 12 3 3V_STBY 13 LED_R 14 GND Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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