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LGE Internal Use Only

Copyright ©

LG Electronics. Inc. All rights reserved.

Only for training and service purposes

5. External input format

5.1. 2D Mode

5.1.1. Component input(Y, C

B

/P

B

, C

R

/P

R

)

5.1.2. HDMI Input (PC/DTV)

No

Resolution

H-freq(kHz)

V-freq.(Hz)

Pixel clock(MHz)

Proposed

1

720*480i

15.73

59.94

13.500

SDTV ,DVD 480I

2

720*480i

15.75

60.00

13.514

SDTV ,DVD 480I

3

720*480p

31.47

59.94

27.000

SDTV 480P

4

720*480p

31.50

60.00

27.027

SDTV 480P

5

1280*720

44.96

59.94

74.176

HDTV 720P

6

1280*720

45.00

60.00

74.250

HDTV 720P

7

1920*1080

33.72

59.94

74.176

HDTV 1080I

8

1920*1080

33.75

60.00

74.25

HDTV 1080I

9

1920*1080

67.432

59.94

148.352

HDTV 1080P

10

1920*1080

67.500

60

148.50

HDTV 1080P

No.

Resolution

H-freq(kHz)

V-freq.(kHz)

Pixel clock(MHz)

Proposed

HDMI-PC

1

640*350

31.46

70.09

25.17

EGA

2

720*400

31.46

70.08

28.32

DOS

3

640*480

31.46

59.94

25.17

VESA(VGA)

4

800*600

37.87

60.31

40

VESA(SVGA)

5

1024*768

48.36

60

65

VESA(XGA)

6

1152*864

54.34

60.05

80

VESA

7

1280*1024

63.98

60.02

108

VESA (SXGA)

Support to HDMI-PC

8

1360*768

47.71

60.01

85.5

VESA (WXGA)

9

1920*1080

67.5

60

148.5

WUXGA

(Reduced Blanking)

10

3840*2160

67.5

30

297

UDTV 2160P

11

3840*2160

56.25

25

297

UDTV 2160P

12

3840*2160

54

24

297

UDTV 2160P

13

4096*2160

53.95

23.97

297

UDTV 2160P

14

4096*2160

54

24

297

Only UD Model

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Содержание 70UH6350

Страница 1: ...L69415110 1607 REV01 CHASSIS UA64J MODEL 70UH6350 70UH6350 UB MODEL 70UH6330 70UH6330 UB LED TV SERVICE MANUAL Internal Use Only CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...tronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 BLOCK DIAGRAM 25 EXPLODED VIEW 33 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: ...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 method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC specification Wireless Wireless HD Specification Option No Item Specification Remark 1 Market North America 2 Broadcasting system ATSC NTSC M 64 256 QAM 3 Available Channel VHF 2 13 UHF 14 69 DTV 2 69 CATV 1 135 CADTV 1 135 4 Receiving system Digital ATSC 64 256 ...

Страница 7: ...4 74 176 HDTV 1080I 8 1920 1080 33 75 60 00 74 25 HDTV 1080I 9 1920 1080 67 432 59 94 148 352 HDTV 1080P 10 1920 1080 67 500 60 148 50 HDTV 1080P No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed HDMI PC 1 640 350 31 46 70 09 25 17 EGA 2 720 400 31 46 70 08 28 32 DOS 3 640 480 31 46 59 94 25 17 VESA VGA 4 800 600 37 87 60 31 40 VESA SVGA 5 1024 768 48 36 60 65 VESA XGA 6 1152 864 54 34 ...

Страница 8: ...0 33 71 29 97 74 17 HDTV 1080P 14 1920 1080 33 75 30 74 25 HDTV 1080P 15 1920 1080 67 43 59 94 148 35 HDTV 1080P 16 1920 1080 67 5 60 148 5 HDTV 1080P 17 3840 2160 53 95 23 98 296 7 UDTV 2160P 18 3840 2160 54 24 297 UDTV 2160P 19 3840 2160 56 25 25 297 UDTV 2160P 20 3840 2160 61 43 29 97 296 7 UDTV 2160P 21 3840 2160 67 5 30 297 UDTV 2160P 22 3840 2160 134 865 59 94 594 UDTV 2160P When HDMI1 2 3 U...

Страница 9: ...5 4 Top and Bottom Side by side half Primary HDTV 720P Primary HDTV 720P 75 50 148 5 19 Frame packing Primary HDTV 720P 89 91 90 59 94 60 148 35 148 5 4 Frame packing Primary HDTV 720P 6 1920 1080 28 125 50 00 74 25 20 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 33 72 33 75 59 94 60 74 17 74 25 5 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I ...

Страница 10: ...5 HDTV 1080P 6 3840 2160 4096 2160 53 95 23 976 296 703 HDTV 2160P 54 24 00 297 00 56 25 25 00 297 00 61 43 29 970 296 703 67 5 30 00 297 00 7 3840 2160 112 5 50 594 HDTV 2160P HDTV 2160P 2D to 3D Side by Side half Top Bottom half When HDMI1 2 3 UHD DEEP COLOUR ON 8 4096 2160 135 60 No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 3D input proposed mode 1 1024 768 48 36 60 65 HDTV 768P ...

Страница 11: ...80 56 25 50 74 25 HDTV 1080P 12 1920 1080 26 97 23 976 74 176 HDTV 1080P 13 1920 1080 33 75 30 000 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 Under 704x480 2D to 3D 2 Over 704x480 interlaced 2D to 3D Side by Side Half Top Bottom 3 Over 704x480 progressive 50 60 2D to 3D Side by Side Half Top Bottom 4 Over ...

Страница 12: ...urposes 5 2 8 Miracast Widi 3D supported mode manually Remark 3D Input mode No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1024 768p 30 60 2D to 3D 2 1280 720p 30 60 3 1920 1080p 30 60 4 Others 2D to 3D No Side by Side Top Bottom Single Frame Sequential Frame Packing 2D to 3D 1 ...

Страница 13: ... be also performed in Final Assembly if needed Both Board level and Final assembly adjustment items can be check using In Start Menu 1 ADJUST CHECK 3 2 Final assembly adjustment White Balance adjustment RS 232C functionality check PING Test Factory Option setting per destination Ship out mode setting In Stop 3 3 Etc Ship out mode Service Option Default USB Download S W Update Option Service only I...

Страница 14: ...Play START 5 Check of result Ready Test OK or NG 4 2 4 Communication Port connection 1 Connect PCBA Jig RS 232C Port PC RS 232C Port 4 2 5 Download 1 Models MAC Widevine ESN 4 3 LAN Inspection 4 3 1 Equipment Condition Each other connection to LAN Port of IP Hub and Jig 4 3 2 LAN inspection solution LAN Port connection with PCB Network setting at MENU Mode of TV Setting automatic IP Setting state ...

Страница 15: ...erated by Manufacturing Technology Group C Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded By OTA or Service man Sometimes model name or serial number is initialized not always It is impossible to download by bar code scan so It need Manual downlo...

Страница 16: ... may be different by Input mode ⓐ Product ID ⓑ Serial No Controlled on production line ⓒ Month Year Controlled on production line ex Monthly 01 01 Year 2016 1A ⓓ Model Name Hex LGTV ⓔ Checksum LG TV Changeable by total EDID data ⓕ Vendor Specific HDMI 5 2 4 1 EDID UHD DeepColor OFF 1 PCM HDMI1 HDMI2 HDMI3 For HDMI EDID DVI D to HDMI or HDMI to HDMI 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF...

Страница 17: ... 17 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 2 AC3 HDMI1 HDMI2 HDMI3 3 DTS HDMI1 HDMI2 HDMI3 ...

Страница 18: ... 18 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes UHD DeepColor ON 1 PCM HDMI1 HDMI2 HDMI3 2 AC3 HDMI1 HDMI2 HDMI3 ...

Страница 19: ...purposes 3 DTS HDMI1 HDMI2 HDMI3 4 DTS HD HDMI1 HDMI2 HDMI3 Checksum HDMI 1 2 3 2D DTS DTSHD 3G 6G 3G 6G HDMI1 9F 11 9F B6 9F 2E 9F D3 HDMI2 9F 01 9F A6 9F 1E 9F C3 HDMI3 9F F1 9F 96 9F 0E 9F B3 2D AC3 PCM 3G 6G 3G 6G HDMI1 9F 1A 9F BF 9F 8C 9F 31 HDMI2 9F 0A 9F AF 9F 7C 9F 21 HDMI3 9F FA 9F 9F 9F 6C 9F 11 ...

Страница 20: ...ED Module CH 14 or CM H505 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Signal internal flicker Pattern in SET Color Analyzer Matrix should be calibrated using CS 100 5 4 3 Equipment connection MAP 5 4 4 Adj Command Protocol Command Format CMD ID DATA CR RF CMD Command ID Command Data Command Ex Send va 00 00 r n 1 RS 232C Command used during auto adj RS 232C COMMAN...

Страница 21: ...0 Begin White Balance adj wb 00 10 Gain adj internal white pattern wb 00 1f Gain adj completed wb 00 20 Offset adj internal white pattern wb 00 2f Offset adj completed wb 00 ff End White Balance adj internal pattern disappears Ex wb 00 00 Begin white balance auto adj wb 00 10 Gain adj ja 00 ff Adj data jb 00 c0 wb 00 1f Gain adj complete wb 00 20 start wb 00 2f endc Off set adj wb 00 ff End white ...

Страница 22: ...checked using no signal or Full white pattern 5 5 6 Reference White Balance Adj coordinate and color temperature Luminance 206 Gray Standard color coordinate and temperature using CS 1000 over 26 inch Mode Coordinate Temp uv X Y Cool 0 271 0 270 13 000K 0 0000 Medium 0 283 0 289 9 300K 0 0000 Warm 0 313 0 329 6 500K 0 0000 Standard color coordinate and temperature using CA 210 CH 14 Mode Coordinat...

Страница 23: ...es Check the picture like below 5 9 HDMI ARC Function Inspection 5 9 1 Test equipment Optic Receiver Speaker MSHG 600 SW 1220 HDMI Cable for 1 4 version 5 9 2 Test method 1 Insert the HDMI Cable to the HDMI ARC port from the master equipment HDMI2 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 5 10 EYE Q Green Function...

Страница 24: ... Item Min Typ Max Unit Remark 1 Audio practical max Output L R Distortion 10 max Output 10 0 8 10 12 0 10 8 W Vrms EQ Off AVL Off Clear Voice Off 2 Speaker 8Ω Impedance 10 12 W EQ On AVL On Clear Voice On Measurement condition 1 RF input Mono 1KHz sine wave signal 100 Modulation 2 CVBS Component 1KHz sine wave signal 0 4Vrms 3 RGB PC 1KHz sine wave signal 0 7Vrms 8 USB S W Download optional Servic...

Страница 25: ...C 4GB Sub Micom RENESAS R5F100GEAFB DDR3 2133 X 16 512MB X 2EA P_TS X_TAL 27MHz T2 C S2 W O AD A B X_TAL 32 768KHz I2S Out I2C 4 USB3_TX RX0 I2C 4 HW Port COMP OCP R E A R YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 1 HW Port SUB ASSY IR KEY LOGO LIGHT Ready WIFI BT Combo USB_WIFI CVBS SMARTCARD_DATA CLK GPIO86_SPI_DI0 GPIO88_SPI_DO0 B CAS JAPAN DDR3 2133 X 16 512MB X 2EA HDMI3 External EDID USB3 2 0 RS...

Страница 26: ... for training and service purposes 2 K2L I2C Block Diagram SCL1 SDA1 33Ω 1 8KΩ K2L TUNER 3 3V_NORMAL 1 8KΩ 33Ω NVRAM 3 3V_NORMAL IC3000 RENESAS MICOM 3 3_TU 33Ω 1 8KΩ IC5800 NTP7515 SCL2 SDA2 T CON LNB SCL4 SDA4 IC5900 NTP7515 33Ω 33pF SCL6 SDA6 47pF 33Ω 33Ω 33pF 1 8KΩ 3 3V_NORMAL ...

Страница 27: ...28DDAR NTP7514 EXT EDID IC3301 DDR3 3 3V_NORMAL 3 5V_ST 1 8V IC2300 4A RT7231GQW 1 05V_CPU CORE IC2305 10A TPS51362RVER 1 0V_CORE A13V A24V NTP7514 USB3 0 OCP USB2 0 OCP USB2 0 OCP K2L H P AMP 2 5_NORMAL PANEL 1 2V Demod_Core TUNER IC2303 3A BD9A300MUV 1 5V_DDR MICOM NVRAM IR_KEY ETHERNET WIFI WOL_EN WIFI_EN DVDD18_EMMC EMMC EMMC CPU_1V0 DIV0 Main Woofer IC6500 2A TJ2132GDP TUNER JP Eth Stdby 1 0V...

Страница 28: ...PI_VAL_CI TPI_SOP_CI PCM_RESET_CI CAM_WAIT_N_CI REG CI_OE CI_WE VCC GPIO59_PC_INPACK_N 5V_NORMAL TDJN H203F 3 3V_TUNER 11 IF_P 8 IF_N 7 FE_DEMOD1_TS_ERROR 14 FE_DEMOD1_1_TS_CLK 15 FE_DEMOD1_TS_SYNC 16 FE_DEMOD1_TS_VAL 17 FE_DEMOD1_TS_DATA 0 18 FE_DEMOD1_TS_DATA 1 19 FE_DEMOD1_TS_DATA 2 20 FE_DEMOD1_TS_DATA 3 21 FE_DEMOD1_TS_DATA 4 22 FE_DEMOD1_TS_DATA 5 23 FE_DEMOD1_TS_DATA 6 24 FE_DEMOD1_TS_DATA ...

Страница 29: ...ide JK3902 COMP1_Y CVBS COMP2_Pb COMP2_Pr COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN COMP1_Y CVBSP COMP1_PbP VIN13P COMP1_PrP COMP1 AV1 DVI_R_IN AI1R COMP1 AV1 DVI_L_IN TU_CVBS_TU TU_SIF_TU IF_P N_TU VIN10P AAD_ADC_SIF DMD_ADC_INP DMD_ADC_INN TU_CVBS TU_SIF IF_P N FE_DEMOD1 2_TS_CLK SYNC VAL FE_DEMOD1 2_TS_CLK SYNC VAL SC_CVBS_IN SC_CVBS_IN TP0CLK VLD SYNC JK3900 AI1L VIN3P VIN5P ...

Страница 30: ...AAD_ADC_SIF HP_LOUT HP_ROUT HEAD PHONE LPF 4P WAFER HPOL HPOR TUNER_SIF AUD_SCK GPIO89_WCLKRCK I2C_SDA0 I2C_SCL0 IC3000 MICOM AMP_MUTE GPIO83_SPI_WP AMP_RESET_N JK3901 JK3903 LPF Front_L Front_R SIDE_HP_MUTE GPIO90_SCLK K2L IC5900 Woofer AMP NTP7515 LPF 8P WAFER LPF Woofer_L Woofer_R I2S JK3900 COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN AI1L AI1R I2C_SDA4 I2C_SCL4 GPIO92_D0 AUD_LRCK AUD_LRCH IC6100 H P...

Страница 31: ... MICOM IC3000 K2L HDMI_ARC X Tal X3000 32 768kHz HDMI1 HDMI2 0 DDC_SCL_1 DDC_SDA_1 TMDS Link 8bits DDC_SCL_2 DDC_SDA_2 TMDS Link 8bits 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 External EDID ST_IO19_H0_SCL ST_IO20_H0_SDA ST_IO22_H1_SCL ST_IO23_H1_SDA ST_IO25_H2_SCL ST_IO26_H2_SDA GPIO17 JK3301 JK3300 JK3302 ...

Страница 32: ..._USB_2 USB_OCD1 USB_CTL1 USB_CTL2 USB_OCD2 WIFI_DM WIFI_DP HSDM3 HSDP3 RENESAS MICOM IC3000 ST_IO13 ST_IO12 SOC_TX SOC_RX USB3_DP0 5V_USB_1 USB_CTL3_0 USB_OCD3_0 HSDM1 HSDP1 ST_IO16 ST_IO17 USB3_0_DM0 USB3_0_DP0 USB1 USB3_DM0 AI3L AI3L RS232C_Debug USB2 0 WIFI Combo M_RFModule_RESET GPIO93_MCLK USB3_TXM0 USB3_TXP0 USB3_RXP0 USB3_RXM0 HSIN HSIP HSON HSOP OCP IC4301 OCP IC4301 5V_NORMAL 5V_NORMAL JK...

Страница 33: ...racteristics 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 IMPORTANT SAFETY NOTICE 351 400 521 530 820 540 200 121 120 710 902 901 LV1 LV2 A2 A...

Страница 34: ...TROUBLE SHOOTING GUIDE Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 35: ...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 MR15 operating checking 11 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 36: ... 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 A18 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cabl...

Страница 37: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 38: ...ck Tuner soldering Normal 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 Revi...

Страница 39: ...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 2016 LG Electronics Inc All rights rese...

Страница 40: ...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 41: ...ch output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check 13V For STBY 3 3V 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 2016 LG Electronics Inc All rights reserved Only for training and service pur...

Страница 42: ...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 43: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 44: ... 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 13V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Est...

Страница 45: ...Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D 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 Replace Main B D Y Standard Repair Process Established date Revised date 10 16 Error symptom 10 Y Copyr...

Страница 46: ...te 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 A4 A4 Copyright 2016 LG Elec...

Страница 47: ...le connection 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 A4 A4 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ...is 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 A4 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ... 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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...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 15 16 Error symptom Stan...

Страница 51: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...r Checking Part A5 6 A Video error _Vertical Horizontal bar residual image light spot connection diagram A6 7 A Video error_ Color error Check Link Cable reconnection condition A7 Adjustment Test pattern ADJ Key A8 8 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 Exc...

Страница 53: ... 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 22 Camera operation checking method A25 Not Used Copyright 2016 LG Electronics Inc All r...

Страница 54: ...D 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 xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 55: ...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 2016 LG Electronics In...

Страница 56: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...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 v Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ... 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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ...dicator B Power error _No power A17 Established date Revised date Error symptom Content A17 xxUH77 Ux ST BY condition On or Off Power ON condition Turn Off Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...nical Manual Revised date A18 Error symptom Content Check power input voltage and ST BY 3 5V B Power error _No power A18 Check the DC 13 2V Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...minal 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 xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights r...

Страница 72: ...l Technical Manual Remote control operation checking method D Function error A22 Established date Revised date Error symptom Content A22 xxUH7700 Ux Checking order to check remote control IR EYE Sensor IR LOGO light Rear IR Eye Pin Pin name 1 VCC 2 USB_DM 3 USB_DP 4 WOL_HOST_WAKE 5 GND 6 BT_RESET 7 GND 8 9 10 11 12 SDA 13 SCL 14 GND 15 IR 16 LED 17 GND 18 3 5V 19 KEY1 20 KEY2 21 GND LED Copyright ...

Страница 73: ...tween BT Wifi assy Main board 2 Check the 3 5V on the terminal 16 Checking order to check motion remote wifi Wifi BT Front Wifi BT Rear Pin Pin name 1 VCC 2 USB_DM 3 USB_DP 4 WOL_HOST_WAKE 5 GND 6 BT_RESET 7 GND 8 9 10 11 12 SDA 13 SCL 14 GND 15 IR 16 LED 17 GND 18 3 5V 19 KEY1 20 KEY2 21 GND xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes L...

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