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THERMAL

THERMAL

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.

LNB

69

LM14A

+3.3V_NORMAL

R6900
2.2K
1W

LNB

D6901-*1

30V

SS23L

LNB_TSC

+12V

R6905

0

EU/CIS

C6911

0.22uF

LNB

D6902-*1

30V

SS23L

LNB_TSC

A_GND

C6901
33pF

LNB

C6907
10uF
25V

LNB

A_GND

IC6900

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

8

SDA

6

IRQ

4

TDI

2

LNB

21

[EP]GND

A_GND

R6908

0

JAPAN

C6912

0.1uF

LNB

D6900

LNB

R6903
39K

1/16W
1%

LNB

D6903-*1

40V

LNB_SX34

C6903

0.01uF

50V

LNB

D6901

30V

MBR230LSFT1G

LNB_ONSEMI

D6902

30V

LNB_ONSEMI

C6910
0.1uF
50V

LNB

R6904

0

A_GND

C6906
10uF
25V

LNB

LNB_TX

C6904
0.1uF
50V

LNB

C6900
0.1uF

LNB

C6902

0.22uF

25V

LNB

C6909
10uF
25V

LNB

IC6900-*1

DT1803

LNB_DMBT

1

NC_1

3

NC_2

7

SCL

9

ADD

10

TONECTRL

11

TCAP

12

ISET

13

VREG

14

GND

15

VIN

16

LX

17

PGND

18

NC_3

19

NC_4

20

BOOST

5

TDO

8

SDA

6

IRQ

4

TDI

2

LNB

21

[EP]

D6904

40V

LNB_SMAB34

D6903

40V

LNB_SMAB34

A_GND

C6908

0.1uF

LNB

C6905
10uF
25V

LNB

D6904-*1

40V

LNB_SX34

AR6900

33

LNB

A_GND

LNB_OUT

L6900

15uH

LPH6050T-150M-R

LNB

I2C_SCL2

R6907

3.3K

OPT

I2C_SDA2

R

6

9

0

6

0

LNB

Input trace widths should be sized to conduct at least 3A

Ouput trace widths should be sized to conduct at least 2A

Max 1.3A

close to Boost pin(#1)

close to VIN pin(#15)

3.5A

2A

DVB-S2 LNB Part Allegro

Caution!! need isolated GND

Surge protectioin

3A

(Option:LNB)

Close to Tuner

BSD-15Y-LM14A-069_00-HD

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

Only for training and service purposes

LGE Internal Use Only

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Содержание 43UF6800 Series

Страница 1: ...ODEL 43UF6800 43UF6800 CA 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: ...ights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 BLOCK DIAGRAM 20 EXPLODED VIEW 28 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

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: ...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...

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: ...ation Remarks 1 Market China PAL DTMB Market Hong Kong DTV Analog 2 Television system 1 PAL I 2 PAL DK 3 NTSC M 4 DTMB 5 DVB C CHINA Only DTMB DMB T Multi Carrier ADTB T Single Carrier 3 Program coverage 1 PAL DK VHF UHF 1 69 Cable 1 47 2 PAL I VHF UHF 1 69 Cable 1 47 3 NTSC M VHF UHF 2 78 Cable 1 71 4 DTMB 21 69 For Hong Kong 4 Receiving system Analog Upper Heterodyne Digital COFDM QAM DTMB Carri...

Страница 7: ...31 50 60 00 27 03 SDTV 480P 6 720 576p 31 25 50 00 27 00 SDTV 576P 50Hz 7 1280 720 44 96 59 94 74 18 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 1280 720 45 00 50 00 74 25 HDTV 720P 50Hz 10 1920 1080 28 13 50 00 74 25 HDTV 1080I 50Hz 11 1920 1080 33 72 59 94 74 18 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 56 25 50 00 148 50 HDTV 1080P 14 1920 1080 67 50 60 00 148 50 ...

Страница 8: ...080 27 00 24 00 63 36 HDTV 1080P 17 1920 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 23 3840 2160 54 00 24 00 297 00 UDTV 2160P 24 3840 2160 56 25 25 00 297 00 UDTV 2160P 25 3840 2160 61 43 29 97 ...

Страница 9: ...46 59 94 25 17 VESA VGA 4 800 600 37 87 60 31 40 00 VESA SVGA 5 1024 768 48 36 60 00 65 00 VESA XGA 6 1360 768 47 71 60 01 84 75 VESA WXGA 7 1152 864 54 34 60 05 80 00 VESA 8 1280 1024 63 98 60 02 109 00 SXGA 9 1920 1080 67 50 60 00 158 40 WUXGA Reduced Blanking 10 3840 2160 54 00 24 00 297 00 UDTV 2160P 11 3840 2160 56 25 25 00 297 00 UDTV 2160P 12 3840 2160 67 50 30 00 297 00 UDTV 2160P 13 4096 ...

Страница 10: ...umstance 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 Adjustmen...

Страница 11: ...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...

Страница 12: ...63 00 00 9E 01 1D 0x06 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E 0x07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ⓔ2 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 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...

Страница 13: ...6D 01 00 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 ...

Страница 14: ...05 14 03 02 12 20 21 90 22 15 01 5D 5E 5F 62 63 64 26 15 07 50 09 57 07 A0 6E 03 0C 00 30 00 B8 3C 20 00 80 01 02 03 04 E5 B0 0E 60 61 65 66 01 1D 80 18 71 1C 16 20 58 2C 25 C0 00 40 84 63 00 00 9E 01 1D 00 72 51 D0 1E 20 6E D0 28 55 00 40 84 63 00 00 1E 00 00 00 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 06 0 1 2 3 4 5 6 7 8 9 A ...

Страница 15: ... 03 E3 05 C0 00 E4 0F 00 C0 C0 18 66 21 50 B0 51 00 1B 30 40 70 36 00 40 84 63 D0 00 00 1E 01 1D 00 72 51 D0 1E 20 6E 28 55 00 40 E0 84 63 00 00 1E 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 32 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF FF 00 1E 6D 01 00 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 6...

Страница 16: ...stment condition normal temperature 1 Surrounding Temperature 25 C 5 C 2 Warm up time About 5 Min 3 Surrounding Humidity 20 80 4 3 2 Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adjustment Computer During auto adj RS 232C protocol is needed 3 Adjustment Remote control 4 Video Signal Generator MSPG 925F 720p 216 Gray Model 204 Pattern 49 Only when internal pattern is not available Color Ana...

Страница 17: ... 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 OFF you can adjust using RF signal in 216 Gray pattern Adj ustment condition and cautionary items 1 Lighting condition in surrounding area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer ...

Страница 18: ... SW 1220 HDMI Cable for 1 4 version 2 Test method 1 Insert the HDMI Cable to the HDMI ARC port from the master equipment HDMI 2 2 Check the sound from the TV Set 3 Check the Sound from the Speaker or using AV Optic TEST program It s connected to MSHG 600 4 8 Ship out mode check In stop After final inspection press In Stop key of the Adjustment remote control and check that the unit goes to Stand b...

Страница 19: ...age 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 didn t have a DTV ATV test on ...

Страница 20: ...I Air Cable TUNER T2 C A TUNER S2 DVB S DEMOD S2 LNB USB2 2 0 51P eMMC 4GB Sub Micom RENESAS R5F100GEAFB DDR3 1866 X 32 512MB 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 P_TS I2C 1 H P AV COMP SCART IN OUT OCP OCP R E A R H CVBS YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 3 HW Port SUB ASSY IR KEY LOGO LIGHT Ready WIFI BT Combo USB_WIFI CVBS SMARTCARD_I F B CAS B CAS ...

Страница 21: ...514 Main AMP 1 8KΩ I2C_SDA2 I2C_SCL2 I2C_SDA4 I2C_SCL4 33Ω 33Ω 33Ω 1 8KΩ I2C_SCL3 HW I2C_SDA3 HW I2C_SDA6 I2C_SCL6 1 8KΩ I2C_SDA1 I2C_SCL1 33Ω I2C_SDA5 I2C_SCL5 TU6704 TUNER 1 8KΩ 33Ω MSTAR LM14A TU6704 TUNER IC6900 LNB IC102 NVRAM 3 3V_NORMAL 3 3V_TU 3 3V_NORMAL 3 3V_LNA_TU 100Ω 3 3V_NORMAL P7201 LCD Panel 0Ω 1 8KΩ IC3000 RENESAS MICOM 2 I2C ...

Страница 22: ...C2500 4381mA 5 5mA 12V 2 1A 2 8A UHD 457mA 912mA 5V NORMAL 6A IC2305 1500mA 2000mA 3 3V NORMAL 6A IC2302 1 8V 1A IC2301 MICOM IR Ass y DDR3 6EA 339mA eMMC 200mA 500mA D Demod_ Core 2A IC6500 Tuner USB1 USB2 3 PANEL VCC 500mA LNB 700mA LNB option LM14A 265mA LM14A LM14A 1 5V IC402 DDR_VTT DDR_VTT NTP7514 CI SLOT MHL H P AMP NTP7514 WIFI Combo NVRAM 1 1V CPU Core 6A IC2300 1 5V IC407 DDR_VTT DDR_VTT...

Страница 23: ...K AM17 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 G251D 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_DEM...

Страница 24: ...P1 AV1 DVI_L_IN COMP1 AV1 DVI_R_IN LINE_IN_0R 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_OUT1 CVBSOUT1 DTV MNT_V_OUT DTV...

Страница 25: ... SC_L_IN SC_R_IN SCART_L Rout AUD_LRCH HP_LOUT HP_ROUT HEAD PHONE LPF 4P WAFER EAR_OUT_L EAR_OUT_R LM14A TUNER_SIF AUD_LRCK AUD_SCK SDA4 SCL4 I2C_SDA4 I2C_SCL4 IC3000 MICOM AMP_MUTE LINE_IN_2L LINE_IN_2R LINE_IN_0L LINE_IN_0R JK3802 DVB only DVB only AUD_MASTER_CLK I2S_OUT_MCK JK4600 GPIO160 AMP_RESET_N JK3401 JK3403 LPF SPEAKER_L SPEAKER_R IC6000 AZ4580MTR OP AMP Mute CTRL TR SCART_MUTE SCART JK4...

Страница 26: ...urposes HDMI1 HDMI2 ARC CEC_REMOTE RENESAS MICOM IC3000 LM14A HDMI_ARC X Tal X3000 32 768kHz HDMI3 MHL DDC_SCL_3 DDC_SDA_3 TMDS Link 8bits MHL_DET_LM15 DDC_SCL_2 DDC_SDA_2 TMDS Link 8bits DDC_SCL_1 DDC_SDA_1 TMDS Link 8bits TMDS DATA 6bits DATA0 1 2 TMDS CLK 2bits TMDS Link 8bits HDMI_CEC_MICOM Q600 7 HDMI ...

Страница 27: ...DCDC 5V_USB_1 5V_USB_2 USB_OCD1 USB_CTL1 USB_CTL2 USB_OCD2 WIFI_DM WIFI_DP USB1_DM USB1_DP RENESAS MICOM IC3000 TX1 RX1 SOC_TX SOC_RX USB_DP3 5V_USB_3 USB_CTL3 USB_OCD3 USB2_DM USB2_DP GPIO50 GPIO51 USB0_DM USB0_DP USB3 USB_DM3 GPIO14 GPIO18 RS232C_Debug 4P wafer USB3 0 USB2 0 LM14A WIFI Combo M_RFModule_RESET GPIO57 SSUSB_TXP SSUSB_TXN SSUSB_RXP SSUSB_RXN USB_SSRX USB_SSTX 8 USB WIFI M REMOTE UAR...

Страница 28: ...ectrical 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 IMPORTA...

Страница 29: ...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 LVB0N VX1_2...

Страница 30: ...9 K12 VDDC_10 K13 VDDC_11 L9 VDDC_12 L10 VDDC_13 L11 VDDC_14 L12 VDDC_15 R11 VDDC_16 R12 VDDC_17 R13 VDDC_18 T11 VDDC_19 T12 VDDC_20 T13 VDDC_21 U11 VDDC_22 U12 VDDC_23 U13 AVDDL_PREDRV_1 W21 AVDDL_PREDRV_2 Y21 AVDDL_PREDRV_3 AD29 AVDDL_MOD_1 AD30 AVDDL_MOD_2 W20 AVDDL_MOD_3 Y20 AVDD15_MOD_1 U19 AVDD15_MOD_2 V19 AVDDL_USB3_1 AA13 AVDDL_USB3_2 AF11 VDDC_CPU_1 U21 VDDC_CPU_2 U22 VDDC_CPU_3 U23 VDDC_...

Страница 31: ...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...

Страница 32: ...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...

Страница 33: ...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 ...

Страница 34: ...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...

Страница 35: ...D 2 VOUT 3 VDD R2340 1 5 6K 1 PD_20V C2330 0 1uF 16V C2331 0 01uF 50V R2321 4 7K 1 C2367 10uF 25V OPT C2338 22uF 10V 24V L2316 UBW2012 121F NON_DIGITAL_POWER_B D C2322 10uF 16V 5V_USB_2 C2343 1uF 25V C2361 0 1uF 16V C2301 10uF 16V C2300 10uF 16V POWER_ON OFF2_3 C2307 0 1uF 16V C2325 100pF 50V 3 3V_NORMAL Q2321 2N3904S KEC_PANEL_CTL_TR E B C C2336 0 1uF 16V R2342150K 1 C2360 1uF 10V C2351 0 1uF 16V...

Страница 36: ... 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 83 84 C2519 22uF 10V R2520 1 6K 1 ZD2500 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2501 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A R2519 75K 1 16W 1 C...

Страница 37: ...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 ...

Страница 38: ... A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC DDC_SCL_1 D1 _HDMI3 R3328 10K NON_MHL R3326 10K MHL R3302 1K R3324 1 8K 5V_MHL Q3301 1 MMBT3904 NXP NXP_HDMI_HPD_2_TR E B C 5V_MHL R3317 1K MHL R3327 10K MHL D3308 MMBD6100 SUZHOU_DDC_DIODE MAIN EAH61714301 A2 C A1 R3337 33 OPT 3 5V_ST R3338 33 OPT D1 _HDMI1 R3318 1K OPT Q3301 2N3904S KEC_HDMI_HPD_2_TR E B C C3302 10uF 10V MHL VA3310 MHL 5 6V AR3300 5 1 1 16W ...

Страница 39: ... OPT C3800 18pF 50V C3815 10pF 50V C3818 0 1uF 16V C3812 27pF 50V OPT R3802 1K R3811 3 3 AV COMP_DAMPING_3 3ohm R3809 3 3 AV COMP_DAMPING_3 3ohm R3832 3 3 AV COMP_DAMPING_3 3ohm JK3800 JST1223 001 Solteam_OPTIC_JACK MAIN 1 GND 2 VCC 3 VINPUT 4 FIX_POLE HP_LOUT_AMP L3800 PZ1608U121 2R0TF HP_OUT VA3808 5 6V HP_OUT R3818 150 1 10W 5 HP_OUT HP_ROUT_AMP L3801 PZ1608U121 2R0TF HP_OUT R3819 100 1 16W 5 H...

Страница 40: ... 11 SCL 6 USB_DP 1 GND 15 IR 10 GND 5 NC 19 GND MDS62110225 M4109 GASKET_8 0X6 0X10 5H SMD_EMI1 AR4100 33 1 16W LOGO_LIGHT R4111 100 R4104 1K LOGO_LIGHT R4112 100 MDS62110225 M4115 1 GASKET_8 0X6 0X10 5H HDMI3_BOT_SMD_10 5T MDS62110225 M4114 GASKET_8 0X6 0X10 5H OPT MDS62110225 M4102 GASKET_8 0X6 0X10 5H OPT 3 5V_ST R4107 10K 1 IC4100 AP2191WG 7 3 FLG 2 GND 4 EN 1 OUT 5 IN 3 5V_ST LOGO_LIGHT_WAFER...

Страница 41: ...4303 5V USB_ESD SD05 0DR050008AA USB_DM2 C4300 0 1uF 16V JK4302 3AU04S 305 ZC LG 1 2 3 4 5 C4323 22uF 10V D4300 RCLAMP0502BA SEMTECH_USB_DMDP_ESD MAIN EAH61515101 R4304 10K SSUSB_TXN IC4300 BD2242G 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM USB_DM3 JK4300 3AU04S 305 ZC LG 1 2 3 4 5 USB_DP3 5V_USB_1 USB_OCD1 R4306 14K 1 R4300 2 2 R4305 4 7K C4310 10uF 10V C4312 22uF 10V USB_DP1 3 3V_NORMAL USB_DP2 USB_DM1...

Страница 42: ...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...

Страница 43: ..._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...

Страница 44: ...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...

Страница 45: ...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 ...

Страница 46: ... MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 12 OUTL 13 INL 14 INL HP_ROUT_AMP HP_ROUT_MAIN C6104 18pF HP_OUT R6103 43K 1 HP_OUT R6108 0 HP_BYPASS C6103 1uF 10V HP_OUT C6109 18pF HP_OUT 3 3V_NORMAL C6106 10pF 50V HP_OUT C6105 1uF 10V HP_OUT 3 3V_NORMAL HP_LOUT_AMP R6106 43K 1 HP_OUT R6105 4 7K HP_OUT R6100 10K HP_OUT R6101 10K HP_OUT R6102 43K 1 HP_OUT SIDE_HP_MUTE HP_LOUT_MAIN C6101 1uF 10V HP_OUT_1uF R...

Страница 47: ...8 PORADJ 19 CMDVCC 20 RSTIN 21 VDD 22 GND 23 OFF 24 XTAL1 25 XTAL2 26 I OUC 27 AUX1UC 28 AUX2UC C6306 0 1uF 16V JAPAN R6309 33 JAPAN R6312 10K JAPAN R6310 33 JAPAN R6303 OPT EB_BE_N0 R6317 1 2K JAPAN P6300 10057542 1311FLF B CAS Slot JAPAN C1 VCC C2 RST C3 CLK C4 RESERVED_1 C5 GND C6 VPP C7 I O C8 RESERVED S1 SW1 S2 SW2 R6304 2 7K JAPAN 5V_NORMAL 3 3V_NORMAL R6315 1 2K JAPAN R6311 33 JAPAN R6319 1...

Страница 48: ...LDO MAIN EAN61387601 BCD 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP FE_DEMOD1_TS_SYNC FE_DEMOD1_TS_CLK_1 I2C_SDA5 I2C_SDA5_TU FE_DEMOD3_TS_VAL LNB_TX FE_DEMOD1_TS_ERROR R6500 10K TU_M W I2C_SDA2_TU 2 5V_DEMOD C6520 33pF TU_H M_EU BR TW CO KR R6512 0 TU_K M W_NON_JP FE_DEMOD2_TS_DATA FE_DEMOD2_TS_SYNC I2C_SCL5 L6500 PZ1608U121 2R0TF R6521 1 18K TU_M W_1 1V FE_DEMOD2_TS_ERROR FE_DEMOD1_TS_...

Страница 49: ... 32 GND B1 B1 A1 A1 TU_GND_B TU_GND_A LNB_OUT TU_GND_B FE_DEMOD1_TS_VAL_1 RF_SWITCH_CTL_TU TU_SIF_TU TU6702 3 TDJM B301F TDJM B301F 1 3 3V 2 NC_1 3 NC_2 4 SCL_RF 5 SDA_RF 6 NC_3 7 NC_4 8 SIF 9 CVBS 10 NC_5 11 3 3V_RF 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VAILD 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_6 30 SDA_DEMOD 47 SHIELD B1 B1...

Страница 50: ... 30V MBR230LSFT1G LNB_ONSEMI D6902 30V LNB_ONSEMI C6910 0 1uF 50V LNB R6904 0 A_GND C6906 10uF 25V LNB LNB_TX C6904 0 1uF 50V LNB C6900 0 1uF LNB C6902 0 22uF 25V LNB C6909 10uF 25V LNB IC6900 1 DT1803 LNB_DMBT 1 NC_1 3 NC_2 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 PGND 18 NC_3 19 NC_4 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP D6904 40V LNB_SMAB34 D6903 40V LNB_SMA...

Страница 51: ...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 UF84 M TXDAP6_L I2C_SDA6 R7113 0 Module_MPLUS NON_UF84 M HTPDAn TCON_I2C_EN R7100 0 Module_MPLUS NON_UF84 M 3D L_DIM_EN R7103 0 R7123 10K Module_LGD120Hz_SHARP R7132 10K LOCKAn_HTPDAn_3 3VPullup R7107 ...

Страница 52: ..._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...

Страница 53: ...348201 RS232C 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC C11200 0 1uF RS232C SOC_RX DOUT1 RIN1 RIN1 JK11200 PEJ034 01 EAG60841811 6B T_TERMINAL2 7B B_TERMINAL2 5 T_SPRING 4 R_SPRING 3 E_SPRING 3 5V_ST VA11201 20V ADUC 20S 02 010L OPT DOUT1 AR11200 100 RS232C C11203 0 1uF RS232C TP3801 VA11200 ADUC 20S 02 010L 20V OPT TP3800 C11204 0 1...

Страница 54: ... TXDAN2_L TXDAN7_L EAG64250901 M13502 TXVBY1_0P TXDAP1_L TXDAP7_L MDS62110209 M13503 GASKET_8 0X6 0X8 5H OPT TXVBY1_6P TXDAN3_L L D_CLK_SOC L D_DI TXVBY1_7P C13502 0 1uF HTPDAn TXDAN0_L C13515 0 1uF EAG64250901 M13504 TXVBY1_7N C13512 0 1uF C13507 0 1uF TXVBY1_2P TXDAN6_L R13500 0 OS_MODULE TXVBY1_1N TXDAN1_L LOCKAn C13511 0 1uF TXDAP4_L EAG64250901 M13508 TXVBY1_1P C13508 0 1uF C13501 0 1uF TXVBY...

Страница 55: ...pF 630V TU_GND_A1_1nF R6704 22 TU_GND_B2_22ohm MDS62110225 M13701 GASKET_8 0X6 0X10 5H SMD_BOT_OPT C6706 1 0 022uF 630V TU_GND_A2_22nF R6700 0 TU_GND_A3_0ohm C6700 1 1000pF 630V TU_GND_A4_1nF R6703 22 TU_GND_A5_22ohm MDS62110225 M13702 GASKET_8 0X6 0X10 5H SMD_BOT_OPT R6700 1 0 022uF 630V TU_GND_A3_22nF C6709 3300pF 630V TU_EU C6710 3300pF 630V TU_GND_A6_3 3nF MDS62110217 M13706 1 79inch_EMI GASKE...

Страница 56: ......

Страница 57: ...Trouble shooting guide Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ...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...

Страница 59: ...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...

Страница 60: ...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 ...

Страница 61: ...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...

Страница 62: ...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...

Страница 63: ...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...

Страница 64: ...f 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 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purpos...

Страница 65: ...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...

Страница 66: ...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 ...

Страница 67: ... 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...

Страница 68: ...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...

Страница 69: ...Revised date 11 16 Error symptom 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 11 Copyright 2015 LG Ele...

Страница 70: ...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 ...

Страница 71: ... 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 ...

Страница 72: ... 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 ...

Страница 73: ...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...

Страница 74: ...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 ...

Страница 75: ...t A5 7 A Video error _Vertical Horizontal bar residual image light spot Connection diagram A6 8 A Video error_ Color error Check Link Cable EPI reconnection condition A7 9 Adjustment Test pattern ADJ Key A8 10 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 11 Exchange Main Board 2 A 2 5 12 Exchange Power Board PSU A 3 5 13 Exchange Module 1 A 4 5 14 Exchange Mod...

Страница 76: ...ing method A19 19 C Audio error_ No audio Normal video Checking method in menu when there is no audio A20 20 Voltage and speaker checking method when there is no audio A21 21 D Function error Remote control operation checking method A22 Motion Remote operation checking method A23 22 Wifi operation checking method A24 23 Continued from previous page Copyright 2015 LG Electronics Inc All rights rese...

Страница 77: ...eck LCD back light 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 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 78: ...o A2 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 Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 79: ...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 ...

Страница 80: ...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 ...

Страница 81: ... 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 ...

Страница 82: ...rizontal 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 ...

Страница 83: ...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 ...

Страница 84: ...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 ...

Страница 85: ...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 ...

Страница 86: ...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 ...

Страница 87: ...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 ...

Страница 88: ...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 ...

Страница 89: ...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 ...

Страница 90: ...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 ...

Страница 91: ...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 ...

Страница 92: ...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 ...

Страница 93: ...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 ...

Страница 94: ...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...

Страница 95: ...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...

Страница 96: ... 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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