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Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN 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

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Содержание 65UH6030

Страница 1: ...MFL69413322 1607 REV01 CHASSIS UA65R MODEL 65UH615 65UH615 U MODEL 65UH6030 65UH6030 UC LED TV SERVICE MANUAL Internal Use Only CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...served Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 14 BLOCK DIAGRAM 26 EXPLODED VIEW 34 DISASSEMBLY 35 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: ...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: ...rmance 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 QAM Analog NTSC ...

Страница 7: ...dule LC550EQE FHM1 2D T120 LC550EQE FHM2 2D T120 LC550EQE PHF1 3D T120 LC550VQF FHF1 3D T240 Curved 49 wide color display module LC490EQE FHM1 2D T120 LC490EQE FHM2 2D T120 LC490EQE XHF1 3D T120 43 wide color display module LC430EQE FHM1 2D T120 LC430EQE FHM2 2D T120 40 wide color display module V400DK1 KE1 2D T120 2 Aspect Ratio 16 9 All 4 Operating Environment TFT 1 Temp 0 40 deg 2 Humidity 0 85...

Страница 8: ...72 59 94 74 176 HDTV 1080I 9 1920 1080 67 500 60 148 50 HDTV 1080P 10 1920 1080 67 432 59 94 148 352 HDTV 1080P No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed HDMI PC DDC 1 640 350 31 46 70 09 25 17 EGA Х 2 720 400 31 46 70 08 28 32 DOS O 3 640 480 31 46 59 94 25 17 VESA VGA O 4 800 600 37 87 60 31 40 00 VESA SVGA O 5 1024 768 48 36 60 00 65 00 VESA XGA O 6 1152 864 54 34 60 05 80 00...

Страница 9: ...0 27 00 24 00 74 25 HDTV 1080P 12 1920 1080 26 97 23 97 74 176 HDTV 1080P 13 1920 1080 33 75 30 00 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P 15 3840 2160 67 5 30 00 297 00 UDTV 2160P 16 3840 2160 61 43 29 97 296 703 UDTV 2160P 17 3840 2160 56 25 25 00 297 00 UDTV 2160P 18 3840 2160 54 0 24 00 297 00 UDTV 2160P 19 3840 2160 53 95 23 98 296 703 UDTV 2160P 20 3840 2160 135 59 94 594...

Страница 10: ... 45 59 94 60 148 35 148 5 4 Side by side Full HDTV 720P 4 1920 1080 33 72 33 75 59 94 60 74 18 74 25 5 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 67 43 67 5 59 94 60 148 35 148 5 5 Frame packing Field alternative Primary HDTV 1080I HDTV 1080I 33 72 33 75 59 94 60 148 35 148 5 5 Side by side Full HDTV 1080I 26 97 27 23 97 24 74 18 74 25 32 Top and Bottom Side by side h...

Страница 11: ...2160 56 25 25 00 297 00 HDTV 2160P 11 3840 2160 61 43 29 970 296 703 HDTV 2160P 12 3840 2160 67 5 30 00 297 00 HDTV 2160P 13 4096 2160 53 95 23 976 296 703 HDTV 2160P 14 4096 2160 54 24 00 297 00 HDTV 2160P 15 4096 2160 56 25 25 00 297 00 HDTV 2160P 16 4096 2160 61 43 29 970 296 703 HDTV 2160P 17 4096 2160 67 5 30 00 297 00 HDTV 2160P 18 3840 2160 135 60 594 HDTV 2160P 2D to 3D Top Bottom half Sid...

Страница 12: ...tible Side by Side Half Top Bottom 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 60 2D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleaving Frame Sequential 4 Over 704x480 progressive others 2D to 3D Side by Side Half Top B...

Страница 13: ...MHz Proposed Remark 1 1280 720 45 00 60 00 74 25 HDTV 720P 2D to 3D Side by Side Half Top Bottom 2 1280 720 37 500 50 74 25 HDTV 720P 3 1920 1080 33 75 60 00 74 25 HDTV 1080I 4 1920 1080 28 125 50 00 74 25 HDTV 1080I 5 1920 1080 27 00 24 00 74 25 HDTV 1080P 6 1920 1080 28 12 25 74 25 HDTV 1080P 7 1920 1080 33 75 30 00 74 25 HDTV 1080P 8 1920 1080 67 50 60 00 148 5 HDTV 1080P 9 1920 1080 56 250 50 ...

Страница 14: ... 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 15: ... Widevine 4 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 Korea model K2Lp 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 Settin...

Страница 16: ...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 17: ...0x01 ཱྀ 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 0x02 0F 50 54 A1 8 00 31 40 45 40 61 40 71 40 81 80 0x03 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 0x04 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30 0x05 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 0x06 3E 1E 53 10 00 0A 20 20 20 20 20 20 0x07 01 ᐗ1 0x00 02 03 3A F1 4E 10 9F 04 13 05 14 03 02 12 20 21 0x01 22 15 01 29 3D 06 C0 15 07 50 ...

Страница 18: ... FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 1A 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 ...

Страница 19: ...0 80 01 02 03 04 E3 0E 61 66 E3 30 06 07 01 01 1D 80 18 71 1C 16 20 58 2C 25 00 40 40 84 63 00 00 9E 66 21 50 B0 51 00 1B 30 40 70 36 50 00 40 84 63 00 00 1E 00 00 00 00 00 00 00 00 00 60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0A 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 01 10 1A 01 03 80 A0 5A 78 0A EE 9...

Страница 20: ... 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 1A 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 2...

Страница 21: ...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 22: ...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 23: ...N status during 5 Minutes In case of LCD Back light on should be 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 c...

Страница 24: ...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 25: ... 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 26: ...al eMMC 4GB CI Slot OCP USB1 2 0 HDMI3 ARC HDMI2 HDMI1 Air Cable TUNER T2 C A TUNER S2 DVB S DEMOD S2 LNB T2 C S2 W O AD REAR H IF P_TS P_TS_OUT P_TS_IN Sub Micom RENESAS R5F100GEAFB X_TAL 32 768KHz I2C_MICOM HW Port IR KEY WIFI 11n only USB_WIFI X_TAL 24MHz Sub Assy LAN ETHERNET OPTIC AV COMP CVBS YPbPr SPDIF OUT RS 232 MAX323 MAIN Audio AMP NTP7515 I2S Out I2C 4 Vx1 51P 8 lane Vx1 I2C 6 M0 M1 P_...

Страница 27: ...2C_SCL Realtek K2Lp 33 34 B 2 HSYNC 1 8k Ω 3 3V_NOR 1 8k Ω 1 8k Ω 3 3V_NOR IC3000 R5F100GEAFB MICOM 1 2 H2 GPIO_T_SCL H1 GPIO_T_SDA I2C_SDA4 I2C_SCL4 IC101 NVRAM IC5800 NTP7515 AMP E13 ST_IO03 F13 ST_IO02 I2C_SDA2 I2C_SCL2 IC6901 A8303SESTR T LNB TU6701 TDJM G301D 27 SCL_DEMOD 30 SDA_DEMOD 7 8 1 8 k Ω 1 8 k Ω 3 3V_TU 4 SCL_RF 5 SDA_RF 1 8k Ω 1 8k Ω 3 3V_NOR 33 Ω TCON_I2C_EN 33 Ω 33 Ω 33 Ω 100Ω 33 ...

Страница 28: ...231 IC2300 1 0V ETH ST LDO 1A SoC K2L 3 5V ST BY 4A TI TPS56428 IC2306 0 75A 0 18A 0 51A 0 98A 0 41A 0 7A 5V Normal 6A Rohm RT7231 IC2500 WIFI Panel LNB EU option MICOM IR ETC 0 1A 1A 0 17A SOC 0 02A 1 97A 5 68A 1 2V Tuner 2A TJ2132 0 6A 1 8V eMMC 2A 0 2A 1 41A 2 47A 0 5A 5 6 1 0V_CORE DC DC 10A TI TPS51362 IC2305 1 5V DDR DC DC 3A BD9A300 IC2303 1A 3 3V Normal 2A TJ2132 IC2301 TUNER 0 4A ...

Страница 29: ...POD0 TPDO7 2 5V_DEMOD 38 2 5V_Normal TU_RESET1_TU 25 TU_RESET1 AN6 GPIO14_DIGI_MIC 3 3V_LNA_TU 1 LNB_TX1 29 LNB_OUT1 31 I2C_SCL2_TU 27 I2C_SDA2_TU 30 I2C_SCL2 I2C_SDA2 3 3V_TU 3 3V_NORMAL IF_P IF_N TUNER_SIF TU_CVBS IF_AGC AT2 IF_P AT3 IF_N AG1 VIN10P AM6 GPIO0_RF_IF_AGC1 I2C_SCL5_TU 4 I2C_SDA5_TU 5 D_DEMOD_CORE LNB1 IC6901 A8303SESTR TB LNB_TX1 LNB_OUT1 1 8K Ω 7 SCL 8 SDA 10 TONECTRL 2 LNB 33 Ω F...

Страница 30: ...poses 5 Video Audio In Block Diagram Realtek K2Lp COMP1_Y CVBS VIN4P E2 Jack Side SOC Side SPDIF_OUT SPDIF OUT H P JACK HP_L ROUT_AMP SPDIF_OUT C5 HPOL R F4 F5 HP_L ROUT AMP IC6100 VIN3P D2 VIN5P E3 AI1L A4 COMP1_Pb COMP1_Pr AI1R B4 COMP1 AV1 DVI_L_IN COMP1 AV1 DVI_R_IN US Model use this jack for SVC RS 232C ...

Страница 31: ...PIO90_SCLK AM27 GPIO89_WCLK AK28 GPIO93_MCLK AL27 HPOL F4 HPOR F5 TU_SIF GPIO1_T_SCL H2 GPIO2_T_SDA H1 H P AMP TPA6138A2 IC6100 LPF AI2R SPDIF_OUT COMP1 AV1 DVI_L R_IN A4 AI1L B4 AI1R HP_L ROUT_AMP LPF LPF Realtek K2Lp Tuner D11 SPDIF_OUT AUD_LRCH AUD_LRCK AMP_MUTE SPK_R R SPK_L L MAIN AMP NTP7515 IC5800 MICOM SPK L SPK R 22 27 38 CLK_I 8 WCK 7 AUD_LRCH 10 11 36 30 33 18 21 AV COMP HDMI3 SPDIF US ...

Страница 32: ...ST_IO22_H1_SCL C6 ST_IO23_H1_SDA B6 CEC_REMOTE P0 TMDS1 D0 D1 D2 CLK ST_IO25_H2_SCL G5 ST_IO26_H2_SDA E6 DDC_SCL1 DDC_SDA1 DDC 5V PULL UP 47kΩ DDC 5V PULL UP 47 k Ω MICOM R5F100GEAFB IC3000 P2 TMDS3 D0 D1 D2 CLK HDMI_HPD_3 DDC_SCL3 DDC_SDA3 ST_IO21_H0_HPD A7 ST_IO19_H0_SCL C7 ST_IO20_H0_SDA B7 EEPROM BR24G02 IC3301 DDC 5V PULL UP 47 k Ω 22 Ω CEC_REMOTE CEC_REMOTE HDMI_HPD_3 HDMI_ARC KOREA Model on...

Страница 33: ...ghts reserved Only for training and service purposes 8 USB WIFI UART 3 5V_ST Switch IC 3 5V_WOL 3 5V_ST Switch IC 3 5V_WIFI K2Lp MICOM POWER ON WIFI_DP DM WiFi TDP TDN RDP RDN LAN WOL_CTRL 3 5V_WIFI WOL ETH_POWER_ON WOL WIFI_POWER_ON 3 5V_ST WIFI_EN IC4102 IC5201 ...

Страница 34: ...safety related characteristics These parts are identified by in the 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 200 400 800 540 521 530 350 120 121 LV1 A10 900 A2 A22 200T ...

Страница 35: ...nly Copyright LG Electronics Inc All rights reserved Only for training and service purposes DISASSEMBLY 1 Disassembly the screw in Back cover 2 Disassemble the B C Remove the B C M3 5 5 18EA SCREW TORQUE 5 7Kgf cm M4 10 2EA ...

Страница 36: ... Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 3 Disassemble Speaker 4 Disassemble the screw in bottom bracket Remove the Speaker M3 5 5 2EA Remove the Bottom bracket ...

Страница 37: ...LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 5 Disassemble the screw in Module M3 5 5 15EA SCREW TORQUE 5 7Kgf cm Remove the VESA bracket 4EA ...

Страница 38: ...TROUBLE SHOOTING GUIDE Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 39: ...f 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 Not used 11 Wifi operating checking 12 12 13 Camera operating checking 13 Not used 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 whe...

Страница 40: ...ys 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 LCD TV 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 Speaker Cabl...

Страница 41: ...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 42: ...soldering Normal Picture Y N Y Close Close By using Digital signal level meter By using Diagnostics menu on OSD All Settings Channels Channel Tuning Manual Tuning Signal Strength Signal Quality 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 da...

Страница 43: ...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 44: ... by 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 Request repair for external device Component error HDMI DVI Connect other external device and cable Check normal operation of External Input Component and HDMI by connecting Jig pattern Generator Set top Box etc Replace Main T con B D Screen no...

Страница 45: ...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 2016 LG Electronics Inc All rights reserved Only for training and service purpos...

Страница 46: ...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 47: ...rd 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 48: ... 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 A13V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Es...

Страница 49: ...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 50: ...ss Established date 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 C...

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

Страница 52: ...nu Camera Ver 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 A25 A4 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 53: ... 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 54: ...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 55: ...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 56: ...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 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 Exc...

Страница 57: ... 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 Not Used 21 Wifi operation checking method A24 22 Camera operation checking method A25 Not Used 23 E Etc Tool option changing method A26 Copyright 2016...

Страница 58: ...CD 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 49UH6100 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ...fter 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 13 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 Inc...

Страница 60: ...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 61: ...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 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ... 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 63: ...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 64: ...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 65: ...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 66: ...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 67: ...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 68: ...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 69: ...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 70: ...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 71: ...wer A17 Established date Revised date Error symptom Content A17 49UH61 ST BY condition On or Off Power ON condition Turn Off Joystick button North America model doesn t use lum sensor Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ...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 73: ...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 74: ...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 75: ...nal 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 49UH6100 UH Copyright 2016 LG Electronics Inc All rights res...

Страница 76: ...Remote control operation checking method D Function error A22 Established date Revised date Error symptom Content A22 49UH6100 UH 1 3 5V_WIFI 2 WIFI_DM_JACK 3 WIFI_DP_JACK 4 GND 5 WOL WIFI_POWER_ON_JACK 6 GND 7 M Moudle_RESET 8 GND 12 EYE_SDA 13 EYE_SCL 14 GND 15 IR 16 LED_R_JACK 17 GND 18 3 5V_ST 19 KEY2_JACK 20 GND 21 GND Checking order to check Remote control IR Control Key front IR Control Key...

Страница 77: ...een BT Wifi assy Main board 2 Check the 3 5V on the terminal 1 3 5V_WIFI Checking order to check wifi Wifi Front Wifi Rear 1 3 5V_WIFI 2 WIFI_DM_JACK 3 WIFI_DP_JACK 4 GND 5 WOL WIFI_POWER_ON_JACK 6 GND 7 M Moudle_RESET 8 GND 12 EYE_SDA 13 EYE_SCL 14 GND 15 IR 16 LED_R_JACK 17 GND 18 3 5V_ST 19 KEY2_JACK 20 GND 21 GND Copyright 2016 LG Electronics Inc All rights reserved Only for training and servi...

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