LG 79UB980T Service Manual Download Page 24 | Manualshive

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Summary of Contents for 79UB980T

Page 1: ...80T 79UB980T TA 79UB989Y 79UB989Y TA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...lectronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 14 BLOCK DIAGRAM 23 EXPLODED VIEW 25 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed m...

Page 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent e...

Page 5: ...he solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replace...

Page 6: ...ification No Item Specification Remarks 1 Market Asia Oceania Africa Middle East PAL DVB Market DTV Analog DTV Region Australia NewZealand AU Singapore SG Malaysia MY Vietnam VN South Africa ZA Iran IR Israel IL 2 Broadcasting system Digital DVB T Analog PAL BG DK I I SECAM DK BG I Australia India only PAL BG B 3 Receiving system Digital COFDM QAM Analog Upper Heterodyne DVB T Guard Interval Bitra...

Page 7: ...I 525I 3 720 576i 15 625 50 00 13 500 SDTV DVD 576I 625I 50Hz 4 720 480p 31 47 59 94 27 000 SDTV 480P 5 720 480p 31 50 60 00 27 027 SDTV 480P 6 720 576p 31 25 50 00 27 000 SDTV 576P 50Hz 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 45 00 50 00 74 250 HDTV 720P 50Hz 10 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz 11 1920 1080 33 72 59 94 74 176 HDTV 10...

Page 8: ...17 1920 1080 33 71 29 97 79 120 HDTV 1080P 18 1920 1080 33 75 30 00 79 20 HDTV 1080P 19 1920 1080 56 25 50 00 148 5 HDTV 1080P 20 1920 1080 67 432 59 94 148 350 HDTV 1080P 21 1920 1080 67 5 60 00 148 50 HDTV 1080P 22 3840 2160 53 95 23 98 296 703 UDTV 2160P Only UD Model 23 3840 2160 54 24 00 297 00 UDTV 2160P Only UD Model 24 3840 2160 56 25 25 00 297 00 UDTV 2160P Only UD Model 25 3840 2160 61 4...

Page 9: ...79 60 31 40 VESA SVGA 5 1024 768 48 363 60 00 65 VESA XGA 6 1360 768 47 712 60 015 84 75 VESA WXGA 7 1152 864 54 348 60 053 80 VESA 8 1280 1024 63 981 60 020 109 00 SXGA Support to HDMI PC 9 1920 1080 67 5 60 158 40 WUXGA Reduced Blanking 10 3840 2160 54 24 00 297 00 UDTV 2160P Only UD Model 11 3840 2160 56 25 25 00 297 00 UDTV 2160P Only UD Model 12 3840 2160 67 5 30 00 297 00 UDTV 2160P Only UD ...

Page 10: ...D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleaving 28 12 25 74 25 HDTV 1080P 33 75 30 00 74 25 HDTV 1080P 67 50 60 00 148 5 HDTV 1080P 2D to 3D Side by Side Half Top Bottom Checker Board Single Frame Sequential Row Interleaving Column Interleaving 56 250 50 148 5 HDTV 1080P 6 3840 2160 4096 2160 53 95 23 976 297 00 HDTV 2160P 2D to 3D Top Bottom half Side by Si...

Page 11: ...ide by side Full HDTV 720P 75 50 148 5 19 Frame packing Line alternative Primary HDTV 720P HDTV 720P 89 91 90 59 94 60 148 35 148 5 4 Frame packing Line alternative Primary HDTV 720P 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 28 125 50 00 148 5 20 Side by side Full HDTV 1080I 33 72 33 75 59 94 60 74 17 74 25 5 Top and Bottom...

Page 12: ...ock MHz Proposed 3D input proposed mode 1 1280 720 37 5 50 74 25 HDTV 720P 2D to 3D Side by Side half Top Bottom 2 1280 720 45 00 60 00 74 25 HDTV 720P 2D to 3D Side by Side half Top Bottom 3 1280 720 44 96 59 94 74 176 HDTV 720P 2D to 3D Side by Side half Top Bottom 4 1920 1080 33 75 60 00 74 25 HDTV 1080I 2D to 3D Side by Side half Top Bottom 5 1920 1080 33 72 59 94 74 176 HDTV 1080I 2D to 3D Si...

Page 13: ...Hz Pixel clock MHz 3D input proposed mode 1 1024 768p 30 60 2D to 3D Side by Side Half Top Bottom 2 1280 720p 30 60 3 1920 1080p 30 60 4 Others 2D to 3D No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 Under 320x240 2D to 3D 2 Over 320x240 2D to 3D Side by Side Half Top Bottom 5 USB DLNA Movie 3D 3D supported mode manually 8 Miracast Widi 3D supported mode manually 7 USB...

Page 14: ... Analog to Digital device and to compensate RGB deviation 3 1 1 Equipment Condition 1 USB to RS 232C Jig 2 MSPG 925 Series Pattern Generator MSPG 925FA pattern 65 Resolution 480i Comp1 1080P Comp1 Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image 3 1 2 Adjustment method Using RS 232 adjust items in the other shown in 3 1 3 3 1 3 Adj protocol Ref ADC Adj RS232C Protocol_Ver1...

Page 15: ...RAM 2 Input IP set up for an inspection to Test Program IP Number 12 12 2 2 3 3 4 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 Connect each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable 3 4 Model name Serial number Download 3 4 1 Model name Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect RS232 Sig...

Page 16: ...l 4 1 3 Download method 1 Press ADJ key on the Adjustment remote control then select 12 EDID D L By pressing Enter key enter EDID D L menu 2 Select Start button by pressing Enter key HDMI1 HDMI2 HDMI3 HDMI4 are writing and display OK or NG 4 1 4 EDID DATA Reference HDMI1 HDMI4 In the data of EDID bellows may be different by Input mode ⓐ Product ID ⓑ Serial No Controlled on production line ⓒ Month ...

Page 17: ... 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 A1 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03 55 F1 54 10 9F 04 13 05 14 03 02 12 20 21 10 22 15 01 5D 5E 5F 62 63 64 29 3D...

Page 18: ...ibrated using CS 100 4 3 3 Equipment connection MAP 4 3 4 Adj Command Protocol Command Format LEN Number of Data Byte to be sent CMD Command VAL FOS Data value CS Checksum of sent data A Acknowledge Ex Send JA_00_DD Ack A_00_okDDX RS 232C Command used during auto adjustment 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 completed wb 00 20 St...

Page 19: ... should be within 10 cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status during 5 Minutes In case of LCD Back light on should be checked using no signal or Full white pattern 4 3 6 Reference White balance adjusmtment coordinate and color temperature Luminance 206 Gray Standard color coordinate and temperature using CS 1000 over 26 inch Standard...

Page 20: ...ear a 3D Glasses Check the picture like below 4 7 Option selection per country 4 8 1 Overview Option selection is only done for models in AJ JA IL 4 8 2 Method 1 Press ADJ key on the Adjustment remote control then select Country Group Menu 2 Depending on destination select Country Group Code or Country Group then on the lower Country option select US CA MX Selection is done using or KEY 4 8 Color ...

Page 21: ...deo Inspection UDG 4004NS 1 Insert the HDMI Cable to TV Set 2 Convert to HDMI Mode using TV AV key on ADJ remote control 3 Inspect the sound and picture operation well Color condition Picture noise Sound distortion etc 4 Inspection 2D 3D conversion 2 Pattern Inspection MSPG 7100 1 Insert the HDMI Jack to HDMI 3 Port 2 Convert to UHD Inspection Pattern Use remote control 3 Check Video and Sound 4 C...

Page 22: ... Mono 1 KHz sine wave signal 100 Modulation 2 CVBS Component 1 KHz sine wave signal 0 5 Vrms 7 USB S W download Service only 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting Download Version High Power only mode Set is...

Page 23: ...DTV MNT_LR V_OUT LNB H P AMP H13 LG1154D CI eMMC CI HDMI 2 0 Switch HDMI1 HDCP2 2 TS output From H13D D14 1Gb x 4 1600 DDR3 HDMI output Motion R USB1 USB3 0 USB2 USB2 0 USB3 USB2 0 USB HUB HDMI_CEC USB 3 0 USB 2 0 USB 2 0 USB_CAM USB 2 0 WIFI11ac BT USB_WI Fi PHY RMII LAN WOL WOW Logo Light Logo Light Logo Light IR Joy key RS 232C 8x4 8 16x4 U14 1Gb x 2 1600 DDR3 FHD HS LVDS 16x2 2 1 Mux 2 1 Mux 1...

Page 24: ...MB L2 SW SW 3ch Video AFE 10b 148 5MHz w LLPLL LVDS Rx Sound DSP Clear Voice II Perceptual Volume Control Slim SPK DivX Bluetooth Digital AMP I2S I2S HPD SPDIF JPG Encoder CVD Y C CVBS CPU 64KB SRAM 48KB ROM UART OTP Timer UARTx3 EMAC SCI SPIx2 I2Cx10 eMMC DMAC 8ch Timer WDT PHY SRAM 16KB I2Cx1 BE H3D DDR3 PHY DDR3 Controller SPLL DDR PLL DPLL DDR PLL Digital Audio Output 16 TS P TS P FRC SRE PE1 ...

Page 25: ...T1 Option EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design...

Page 26: ...PIO99 E37 EB_ADDR8 GPIO98 E35 EB_ADDR7 GPIO97 D37 EB_ADDR6 GPIO96 D36 EB_ADDR5 GPIO111 D35 EB_ADDR4 GPIO110 C36 EB_ADDR3 GPIO109 C35 EB_ADDR2 GPIO108 B37 EB_ADDR1 GPIO107 B36 EB_ADDR0 GPIO106 B35 EB_DATA7 GPIO105 C32 EB_DATA6 GPIO104 B33 EB_DATA5 GPIO119 A33 EB_DATA4 GPIO118 C33 EB_DATA3 GPIO117 A34 EB_DATA2 GPIO116 B34 EB_DATA1 GPIO115 C34 EB_DATA0 GPIO114 A36 EMMC_CLK Y37 EMMC_CMD Y36 EMMC_RESET...

Page 27: ...ND_148 U25 GND_149 U26 GND_150 U30 GND_151 U31 GND_152 V7 GND_153 V12 GND_154 V13 GND_155 V14 GND_156 V16 GND_157 V17 GND_158 V18 GND_159 V19 GND_160 V20 GND_161 V21 GND_162 V25 GND_163 V26 GND_164 V30 GND_165 V31 GND_166 W5 GND_167 W6 GND_168 W7 GND_169 W12 GND_170 W13 GND_171 W14 GND_172 W15 GND_173 W16 GND_174 W17 GND_175 W18 GND_176 W19 GND_177 W20 GND_178 W21 GND_179 W25 GND_180 W26 GND_181 W...

Page 28: ...SCLK COMP2_Y_IN_SOC_SOY FE_DEMOD1_TS_ERROR TU_CVBS_SOC C474 10pF 50V OPT REFT TXD2P TX15P R453 330 L406 OPT C400 0 01uF OPT OPM 0 C473 10pF 50V OPT R438 10K 1 R447 68 HP_LOUT_MAIN TXA0P TX11P REFB TXC0P TX23P C424 0 047uF SOC_RESET R418 27K 1 TXA4P TX6P C438 0 01uF SC_L_IN X400 24MHz 4 GND_2 1 X TAL_1 2 GND_1 3 X TAL_2 AUD_LRCH C6006 1uF 25V EU TXACLKN TX8N FE_DEMOD2_TS_SYNC C470 10pF 50V R446 4 7...

Page 29: ... EN 8 GND 9 PGOOD 10 VIN 11 EP M0_DDR_A2 M0_DDR_DQS0 M0_DDR_BA1 M0_DDR_DQS2 M0_DDR_ODT M1_DDR_DQS_N3 M0_DDR_ODT R539 1K 1 C522 0 1uF 16V M1_DDR_DQ22 M0_DDR_A15 M0_1_DDR_VREFDQ_T M0_DDR_A11 M1_DDR_DQS_N2 M0_DDR_A3 M0_DDR_DQ1 M1_DDR_A14 M0_DDR_DQS0 M0_DDR_DQ29 M1_DDR_DQ15 M0_DDR_DQS_N2 M0_DDR_DQ17 M1_DDR_DQ8 M1_DDR_DQ14 M0_DDR_DQ14 M1_DDR_DQ4 M0_DDR_A3 M1_DDR_A10 M1_DDR_A9 R513 1K 1 M1_DDR_DM0 M0_DD...

Page 30: ...I TPI_VAL CI_IN_TS_DATA 1 PCM_IOWR CI_DATA 0 7 AR710 33 CI CAM_CD1_N R706 10K CI CI_DATA 0 7 EB_ADDR 11 TPI_DATA 4 AR704 100 CI EB_ADDR 2 TPI_CLK CI_IN_TS_DATA 3 CAM_WAIT_N EB_ADDR 12 AR705 33 CI CI_ADDR 8 C704 12pF 50V OPT R702 33 CI CI_TS_DATA 7 CI_CD2 CI_ADDR 10 TPI_SOP CI_ADDR 0 CI_ADDR 3 PCM_REG AR700 100 CI EB_ADDR 14 CI_ADDR 5 C708 1uF 25V CI R709 10K CI CI_ADDR 11 CI_TS_SYNC CI_ADDR 7 PCM_...

Page 31: ... 6 GND 1 PWR ON 20 24V 15 12V 10 GND 5 3 5V 21 24V 22 24V 23 GND 24 GND 25 R2314 0 OPT R2345 10K 12V C2300 22uF 10V C2340 22uF 10V POWER_ON OFF2_4 R2329 2K OPT R2353 51K 1 16W 1 12V R2327 8 2K 1 PD_24V ZD2303 2 5V OPT C2301 10uF 16V C2346 0 047uF 25V R2326 1 2K 1 PD_ 12V R2346 11K R2336 100K PD_20_24V C2335 0 0068uF 50V C2312 1 3300pF 50V 1 0V_DCDC_TI R2315 0 PWR_DET_MERGE R2322 3 9K 5V_NORMAL C23...

Page 32: ...AM_SLEEP MODEL1_OPT_0 EDID_WP CEC_REMOTE R3001 10K MICOM_NON_GED R3022 10K MICOM_RESET SOC_RX CAM_PWR_ON_CMD R3006 2 22K MICOM_OLED_FRC SIDE_HP_MUTE 3 5V_ST POWER_ON OFF1 HDMI_CEC SOC_TX 3 5V_ST R3013 1K POWER_DET R3006 1 56K MICOM_OLED_MAIN X3000 32 768KHz AMP_MUTE R3019 10K R3018 10K MODEL1_OPT_2 R3002 10K MICOM_H13 H14 CAM_PWR_ON_CMD SOC_RESET R3021 1 33 MICOM_RESET_33OHM TP3009 POWER_ON OFF2_1...

Page 33: ...16V HDMI_0_CLK XTAL_VCC33_R9531 D1 _HDMI1 C3251 1000pF OPT R3224 47K PWRMUX_OUT R3262 10K C3271 0 1uF 16V CK _HDMI3 P_AVDDH11 D2 _HDMI2 D0 _HDMI2 R3203 100K D0 _HDMI1 D0 _HDMI1_R9531 DDC_SCL_3 HDMI_1_RX0 D2 _HDMI1 R3289 100K P_AVDDH33 R3284 4 7K D1 _HDMI1_R9531 D0 _HDMI4_JACK R3234 0 C3258 0 33uF C3244 10uF 10V R3229 47K R3281 1 2K D2 _HDMI4_JACK 3 3V_NORMAL C3206 0 1uF C3211 0 1uF 16V R3226 47K P...

Page 34: ...1 S2 C3507 0 1uF 16V C3506 0 1uF 16V C3307 10uF 10V C3501 0 1uF 16V C3512 10uF 10V C3513 10uF 10V R3508 4 7K R3516 4 7K OPT R3515 4 7K R3512 4 7K OPT R3506 4 7K OPT R3514 4 7K OPT R3502 4 7K R3510 4 7K OPT R3520 4 7K R3507 4 7K R3501 4 7K OPT R3513 4 7K R3519 4 7K OPT R3517 4 7K IC3302 TS3DV642A0RUAR 1 VCC 2 EN 3 SCL 4 SDA 5 D0 6 D0 7 D1 8 D1 9 NC_1 10 D2 11 D2 12 D3 13 D3 14 HPD 15 CEC 16 SEL1 17...

Page 35: ... 6V C3403 0 1uF 16V VA3402 5 6V JK3403 PEJ038 3B61 EAG61030015 3 DETECT 4 L 5 GND 1 R R3409 100 1 16W 5 HP_OUT JK3400 PEJ038 3B6111 EAG61030017 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 R3408 100 1 16W 5 3 3V_NORMAL HP_DET R3402 10K R3400 33 VA3400 5 5V ADUC 5S 02 0R5L OPT COMP1 AV1 DVI_R_IN JK3402 PEJ038 3B611 EAG61030016 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 R3407 100 1 16W 5 COMP1_DET AV1_CVBS_DET 3 3V...

Page 36: ...0 100 EYE_Q C4006 100pF 50V NON_OLED R4001 10K LOGO_LIGHT R4014 10K C4008 47pF 50V OPT 3 5V_ST WIFI_DM C4005 1000pF 50V M_REMOTE_CTS LOGO_LIGHT M_REMOTE_RX R4006 100 C4012 1000pF 50V C4014 47pF 50V R4015 11K D9_LED C4004 22uF 10V EYE_SDA 3 5V_ST L4000 BLM18PG121SN1D R4009 10K 5 LED_R C4016 5pF 50V C4002 0 1uF 3 5V_ST AR4000 100 1 16W R4005 10K 5 R4007 100 IR WOL WIFI_POWER_ON L4001 BLM18PG121SN1D ...

Page 37: ...1uF 3 5V_ST AUD_LRCK R4219 10K OPT D4201 1 RCLAMP0582B RCLAMP0582B C4210 4 7uF 10V 3 5V_CAM L4200 BLM18PG121SN1D 120 ohm CAM_PWR_ON_CMD CAM_TRIGGER_DET C4204 22pF D4200 1 RCLAMP0582B RCLAMP0582B P4200 3510 56216 1 2 3 4 5 6 7 8 9 10 11 12 13 14 17 15 16 USB_DP3 3 3V_NORMAL USB_DM3 C4205 0 1uF R4203 0 CAM_SLEEP USB_DM2 AUD_SCK C4226 4 7uF 10V CAM_RESET D4200 RCLAMP0502BA RCLAMP0502BA D4201 RCLAMP05...

Page 38: ...2BA RCLAMP0502BA C4410 0 1uF 3 3V_NORMAL USB3_RX0P 5V ZD4302 OPT C4407 0 1uF C4310 10uF 10V USB3_DP R4407 4 7K OPT JK4300 3AU04S 385 ZC LG 1 2 3 4 5 R4402 14K 1 D4300 1 RCLAMP0582B RCLAMP0582B C4412 0 1uF USB_OCD1 C4405 0 01uF USB3_RX0M D4402 RCLAMP0502BA RCLAMP0502BA R4413 4 7K OPT R4404 4 7K OPT 5V_USB_2 ZD4301 5V OPT R4411 4 7K USB_DM2 3 3V_NORMAL 3 3V_NORMAL R4405 4 7K D4400 1 RCLAMP0582B RCLA...

Page 39: ...N 17 COM_GND 18 AV_DET 19 SHIELD SC_DET SC_L_IN R4801 10K EU R4802 100 1 16W 5 EU SC_B DTV MNT_R_OUT SC_FB SC_ID C4803 4700pF EU DTV MNT_L_OUT VA4800 20V EU VA4802 5 6V EU VA4808 5 5V OPT SC_R VA4809 5 6V EU VA4801 5 6V EU SC_G VA4807 5 5V EU C4802 4700pF EU L4800 BLM18PG121SN1D EU VA4803 5 5V EU VA4805 5 5V EU DTV MNT_V_OUT L4801 BLM18PG121SN1D EU SC_R_IN SC_CVBS_IN VA4806 5 6V EU C4801 1000pF 50...

Page 40: ...SHIELD 9 R9 11 R11 10 R10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A VA5101 5 5V VA5100 5 5V R5100 0 C5102 0 1uF 16V C5101 0 01uF 50V LAN_JACK_POWER EPHY_RDP VA5103 5 5V EPHY_TDN JK5100 BS R570098 LAN_UDE 1 P1 CT 2 P2 TD 3 P3 TD 4 P4 RD 5 P5 RD 6 P6 CT 7 P7 8 P8 12 SHIELD 9 9 11 P11 10 P10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A VA5102 5 5V C5100 0 1uF 16V C5103 0 01uF 50V EPHY_TDP EPHY_RDN 51 LAN_VERTICAL 2...

Page 41: ... 1 16W 1 WOL ETH_POWER_ON C5203 0 1uF 16V ET_COL SNI EPHY_ACTIVITY R5219 10K 1 16W 5 R5200 3 3K EPHY_RXD0 3 5V_WOL R5204 2 49K 1 R5218 0 LAN_JACK_POWER C5200 4 7uF 10V EPHY_REFCLK 3 5V_WOL ET_RXER EPHY_TDP 3 5V_WOL EPHY_MDC C5209 33pF EPHY_RXD1 R5209 51 R5208 3 3K C5211 0 1uF 16V C5204 0 1uF 3 5V_WOL 3 5V_WOL 3 5V_WOL EPHY_RDP R5210 33 R5211 33 3 5V_ST R5203 3 3K C5201 0 1uF 16V EPHY_CRS_DV ZD5201...

Page 42: ...12 1uF 10V S_SPK_R 0 1uF C5421 50V R5409 4 7K R5401 100 1 16W C5411 22000pF 50V AUD_LRCK C5413 1uF 10V 24V 10uF C5409 35V IC5400 NTP7514 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 BCK 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_4 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 3...

Page 43: ...506 5 6 1 10W C_SPK_L C_SPK_R C5510 22000pF 50V IC5500 NTP7514 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 BCK 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_4 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1A 35 BST1A 36 RESET 37 AD 38 CLK_I 39 ...

Page 44: ...0pF 50V C5611 22000pF 50V R5610 4 7K 24V_AMP SPK_L R5603 100 L5603 SP 7850_10 10uH C5613 1uF 10V Q5600 MMBT3904 NXP E B C L5604 SP 7850_10 10uH R5606 5 6 1 10W L5605 SP 7850_10 10uH C5604 1uF 10V C5627 1000pF 50V SPK_R H_SPK_R 0 1uF C5605 16V SPK_R C_SPK_R I2C_SDA2 C_SPK_L R5612 4 7K R5613 100 1 16W SPK_L AUD_LRCK SPK_L WOOFER_MUTE R5604 100 L5600 UBW2012 121F H_SPK_L AUD_SCK C5614 390pF 50V C5624...

Page 45: ...K AUD_SCK SPK_WOOFER_L C5713 390pF 50V 10uF C5708 35V R5700 100 24V IC5700 NTP7514 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 BCK 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_4 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1A 35 BST1A 36 RESE...

Page 46: ...2 C5802 1uF 10V 3 3V_NORMAL L5803 NRS6045T100MMGK 10 0uH C5818 0 47uF 50V L5800 UBW2012 121F C5817 0 47uF 50V H_SPK_R AUD_SCK R5804 5 6 1 10W AUD_MASTER_CLK C5800 33pF 50V R5802 5 6 1 10W R5800 100 C5823 0 1uF 50V IC5800 NTP7514 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 BCK 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 MONITOR_2 16 BST2B 17 PGND2B 18 OUT2B 19 PVDD2B 20 PVDD...

Page 47: ...38 CLK_I 39 GND_IO 40 VDD_IO 41 EP GND C5915 0 47uF 50V C5900 33pF 50V 24V C5909 22000pF 50V C5905 22000pF 50V R5900 100 L5902 SP 7850_10 10uH 0 1uF C5916 50V 24V_AMP_WOOFER_R AUD_MASTER_CLK I2C_SCL5 AMP_RESET_N R5905 4 7K 24V_AMP_WOOFER_R L5901 BLM18PG121SN1D 10uF C5907 35V AUD_LRCK R5904 5 6 1 10W C5913 390pF 50V 24V_AMP_WOOFER_R 3 3V_NORMAL 3 3V_NORMAL SPK_WOOFER_R C5920 10uF 10V C5903 1uF 10V ...

Page 48: ... IN2 6 IN2 7 OUT2 8 VCC DTV MNT_L_OUT C6000 1uF 25V EU C6005 33pF EU R6013 1K EU R6011 2 2K EU SCART_AMP_L_FB Q6002 1 PDTA114ET EU_SCART_MUTE_NXP E B C Q6001 MMBT3904 NXP EU E B C R6000 2 2K EU SCART_Lout SCART_AMP_R_FB R6008 33K EU Q6002 RT1P141C T112 EU_SCART_MUTE_ISAHAYA E B C R6004 33K EU C6007 6800pF OPT R6002 470K OPT C6003 33pF EU DTV MNT_R_OUT DTV MNT_R_OUT SCART_MUTE SCART_Rout DTV MNT_L_...

Page 49: ...ND_1 1 INR 6 VSS 5 MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 12 OUTL 13 INL 14 INL C6104 180pF HP_OUT_MTK R6100 10K HP_OUT 3 3V_NORMAL SIDE_HP_MUTE R6102 33K HP_OUT_MTK C6109 1 18pF HP_OUT_H13 L6100 120 ohm HP_OUT BLM18PG121SN1D R6103 33K HP_OUT_MTK C6103 1uF 10V HP_OUT HP_LOUT_MAIN HP_ROUT_AMP C6108 10pF 50V HP_OUT R6101 10K HP_OUT HP_ROUT_MAIN R6106 43K 1 HP_OUT C6107 0 1uF 16V HP_OUT HP_LOUT_AMP R61...

Page 50: ...01 10uF 10V JAPAN 3 3V_NORMAL ZD6300 5V JAPAN R6307 22 JAPAN SMARTCARD_DATA SD_EMMC_CLK R6317 1 2K JAPAN R6309 22 JAPAN R6301 2 7K 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 C6302 0 1uF 16V JAPAN L6301 BLM18PG121SN1D JAPAN R6318 1 2K OPT R6303 OPT C6306 0 1uF 16V JAPAN SMARTCARD_VCC SD_EMMC_CMD 3 3V_NORMAL R6319 1...

Page 51: ...Q6500 MMBT3906 NXP TU_ALL_2178B E B C R6510 1 200 TU_H W W_KR US BR TW 2 5V_DEMOD FE_DEMOD1_TS_DATA 7 IF_P_TU C6511 15pF 50V OPT LNB_TX R6517 10 TU_ALL_IntDemod 0 1uF C6513 TU_M W FE_DEMOD1_TS_DATA 5 R6514 0 TU_M FE_DEMOD1_TS_DATA 3 C6505 0 1uF 16V TU_M W_NonBr FE_DEMOD2_TS_DATA R6510 33 TU_Non_BR TW FE_DEMOD1_2_TS_CLK 5V_NORMAL TU_SIF I2C_SDA6_TU L6500 BLM18PG121SN1D IF_N IF_N_TU R6500 100 TU_M W...

Page 52: ...A IF_P_TU FE_DEMOD1_TS_VAL FE_DEMOD1_1_TS_CLK FE_DEMOD1_TS_ERROR TDJH H251F TU6703 TDJH_H251F 47 SHIELD 6 DIF P 7 DIF N 8 SIF 9 CVBS 1 B1 3 3V 2 NC 3 DIF_AGC 4 SCL 5 SDA A1 A1 B1 B1 FE_DEMOD1_TS_DATA 3 TDJW H151F TU6800 2 DEV_KR_T2 47 SHIELD 6 M_DIF P 7 M_DIF N 25 RESET1_DEMOD 33 NC_5 8 S_SIF 26 B3 3 3V 34 NC_6 9 S_CVBS 27 SCL_DEMOD 35 GND_2 1 B1 3 3V 10 NC_2 28 B4 1 1V 2 NC_1 11 B2 3 3V 29 NC_4 3...

Page 53: ...0 0 1uF C6809 0 1uF R6821 100 C6811 0 1uF C6812 0 33uF OPT IC6801 MAX3232CDR EAN41348201 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 ZD6802 ADUC 20S 02 010L 20V OPT C6808 0 1uF SOC_TX ZD6803 20V ADUC 20S 02 010L OPT C6813 0 1uF R6820 100 SOC_RX 3 5V_ST JK6801 SPG14 DC 0101 1 2 3 4 5 6 7 8 9 10 RS 232C Control INTERFACE BSD 14Y UD 068 H...

Page 54: ...D6904 40V LNB_SMAB34 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 D6900 LNB A_GND 12V C6903 0 01uF 50V LNB C6904 0 1uF 50V LNB C6900 18pF LNB A_GND C6912 0 1uF LNB D6904 1 40V LNB_SX34 A_GND R6901 33 LNB R6904 0 LNB_TX L6900 15uH SP 7850_15 LNB A_GND D6902 1 30V LNB...

Page 55: ...2 M14 NC_103 N1 NC_104 N3 NC_105 N6 NC_106 N7 NC_107 N8 NC_108 N9 NC_109 N10 NC_110 N11 NC_111 N12 NC_112 N13 NC_113 N14 NC_114 P1 NC_115 P2 NC_117 P8 NC_118 P9 NC_120 P11 NC_121 P12 NC_122 P13 NC_123 P14 DUMMY_1 DU1 DUMMY_2 DU2 DUMMY_3 DU3 DUMMY_4 DU4 DUMMY_5 DU5 DUMMY_6 DU6 DUMMY_7 DU7 DUMMY_8 DU8 DUMMY_9 DU9 DUMMY_10 DU10 DUMMY_11 DU11 DUMMY_12 DU12 DUMMY_13 DU13 DUMMY_14 DU14 DUMMY_15 DU15 DUM...

Page 56: ... HDMI0_DDC_DA SPI_CS_M 3 3V_NORMAL C12010 0 1uF 16V TDO_1 TCK_2 R12001 1K OPT TDI_2 HDMI1_TXCP GPIO 4 HDMI1_TX1N TCK_2 3 3V_NORMAL SPI_DL_MODE HDMI1_DDC_DA HDMI0_TX1N R12032 1K XTAL_IN D14_HWRESET D13_STPO_DATA SMODE 1 AR12000 33 R12041 1K 3 3V_NORMAL R12036 2K R12095 15K SPI_CS_M TDI_0 HDMI0_DDC_CK R12012 33 R12062 33 R12027 10 GPIO 1 HDMI0_TX2N SOC_SPI0_SCLK TMS_2 3 3V_NORMAL HDMI1_DDC_CK HDMI0_...

Page 57: ...R_DM2_D14 M1_DDR_RESET_N_D14 M0_DDR_A5_D14 M1_DDR_DQ25_D14 M1_U_CLK_D14 M0_DDR_A8_D14 M1_DDR_DM2_D14 M1_DDR_DQ12_D14 C12101 0 1uF OPT M0_DDR_DQ16_D14 M0_DDR_BA2_D14 M0_U_CLK_D14 M1_DDR_DQS2_D14 M0_DDR_DM1_D14 M1_DDR_A10_D14 M0_DDR_A10_D14 R12119 1K 1 M0_DDR_DQ17_D14 M0_DDR_A5_D14 M1_DDR_DQ27_D14 M0_DDR_DQS_N3_D14 M1_DDR_DQ10_D14 M1_DDR_DQ17_D14 M0_DDR_A9_D14 M1_DDR_BA1_D14 M0_D_CLKN_D14 C12108 0 1...

Page 58: ..._DDR1_9 R7 AVDD25_HDMI0_1 H13 AVDD25_HDMI0_2 H14 AVDD25_HDMI1_1 H11 AVDD25_HDMI1_2 H12 DVDD25_OTP H15 DVDD25_PLL B5 DVDD33_1 F8 DVDD33_2 F12 DVDD33_3 F13 DVDD33_4 H10 DVDD33_5 H16 DVDD33_6 J16 DVDD33_7 K16 DVDD33_8 L16 DVDD33_9 M16 DVDD33_10 N16 DVDD33_11 P16 DVDD33_12 T8 DVDD33_XTAL A5 VREF0_DDR0 AB3 VREF1_DDR0 AA22 VREF0_DDR1 B1 VREF1_DDR1 AA1 VSS_1 A2 VSS_2 A14 VSS_3 B2 VSS_4 C4 VSS_5 C5 VSS_6 ...

Page 59: ... R12356 33 TXC0N TX23N R12343 330 R12338 33 TXDCLKN TX14N HDMI_RX1 _U14_2 TXB0N TX5N R12305 33 Tx_U14_1P R12300 33 U14_SPI_MISO_M C12305 0 1uF 16V Tx_U14_4N RP_HDMI_D0 TXD1N TX16N TXCCLKN TX20N R12313 10K R12352 33 RP_HDMI_D2 R12331 33 3 3V_NORMAL U14_UART_RX_1 R12346 10K D9 IC12300 LG1614 HDMI_RXA0N AG25 HDMI_RXA0P AH25 HDMI_RXA1N AG26 HDMI_RXA1P AH26 HDMI_RXA2N AG27 HDMI_RXA2P AH27 HDMI_RXACN AG...

Page 60: ...QL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8...

Page 61: ...D33_8 T10 DVDD33_9 T21 DVDD33_10 U10 DVDD33_11 U21 DVDD33_12 V10 DVDD33_13 V21 DVDD33_14 AA17 DVDD33_XTAL AF1 VREF0_DDR AH3 VREF1_DDR AH22 VSS_1 A24 VSS_2 A25 VSS_3 B24 VSS_4 C24 VSS_5 D23 VSS_6 D24 VSS_7 E5 VSS_8 E6 VSS_9 E7 VSS_10 E8 VSS_11 E9 VSS_12 E10 VSS_13 E11 VSS_14 E12 VSS_15 E13 VSS_16 E14 VSS_17 E15 VSS_18 E16 VSS_19 E17 VSS_20 E18 VSS_21 E19 VSS_22 E20 VSS_23 E21 VSS_24 E22 VSS_25 E23 ...

Page 62: ... 3 4 5 6 7 8 9 10 11 12 13 Q13002 MMBT3904 NXP E B C R12804 10K C13008 0 1uF Tx_U14_3P C13307 0 1uF 16V GND_Vx1_2 C13022 0 1uF Tx_U14_2P C13038 0 1uF TXDAP3_L C13070 0 1uF TXDBP11_L C13024 0 1uF C13301 0 1uF 16V C2124 0 1uF 16V C2118 0 1uF 16V R12802 10K C13050 0 1uF Q13001 MMBT3904 NXP E B C C13030 0 1uF VDDC C2150 10uF 10V C13029 0 1uF C13051 0 1uF R12805 10K TXDAP6_L C2114 10uF 10V C2109 0 1uF ...

Page 63: ...XDBP11_L 3 3V_NORMAL LOCKn_IN GND_Vx1 R13044 10K OPT TXDAN2_L R220 0 OPT TXDAP5_L GND_Vx1_2 TXDBN11_L IC13000 AZ1117EH ADJTRG1 ADJ GND OUT IN R13041 10K LGD_Module R13055 33 OPT 3 3V_NORMAL R13059 33 OPT TXDBN2_L TXDBP6_L R221 0 URSA_TX_HTPD_Pullup TXDBN8_L R1504 1 5K R222 10K URSA_TX_HTPD_Pullup TXDBN7_L R211 1 5K URSA_TX_HTPD_Pullup TXDBP0_L 1 8V HTPDn_IN TXDBP1_L TXDAN4_L LOCKn_IN R13035 1 L130...

Page 64: ...6 0 1uF 16V C13151 0 1uF 16V A_DDR3_A 8 A_DDR3_CKE A_DDR3_A 0 B_DDR3_DQS3B A_DDR3_A 15 1 5V_U_DDR A_DDR3_DQS2B C13150 4700pF DDR_VTT_URSA_0 A_DDR3_A 10 B_DDR3_A 4 1 5V_U_DDR A_DDR3_A 13 DDR_VTT_URSA A_DDR3_A 7 A_DDR3_A 6 B_DDR3_BA 2 R13103 1K B_DDR3_CASZ 1 5V_U_DDR B_DDR3_A 0 A_DDR3_DQS2 A_DDR3_A 15 B_DDR3_A 8 C13232 0 1uF 16V C13204 0 1uF 16V A_DDR3_DM3 A_DDR3_DM3 B_DDR3_DM0 B_DDR3_A 11 A_DDR3_A ...

Page 65: ...SA9 RXBSCL_URSA9 RXBSDA_URSA9 R13206 100K IC2500 LGE7411 URSA9 RESET AF29 XTALO R3 XTALI R4 I2CS_SDA AJ24 I2CS_SCL AH24 I2CM_SDA AH26 I2CM_SCL VSYNC_LIKE1 AG24 GPIO 0 UART2_TX B4 GPIO 1 UART2_RX A4 GPIO 2 UART1_TX B5 GPIO 3 UART1_RX A5 SPI_CZ AD28 SPI_CK AD30 SPI_DI AC31 SPI_DO AD29 INT_R21 GPIO 41 AE28 INT_R20 GPIO 42 AE27 IRE C4 GND_1 AC27 GND_2 AD27 NC_1 A7 NC_2 B6 NC_3 B7 NC_4 C5 NC_5 C6 NC_6 ...

Page 66: ...VSS_202 AJ13 VSS_203 G14 VSS_204 H14 VSS_205 J14 VSS_206 K14 VSS_207 L14 VSS_208 P14 VSS_209 R14 VSS_210 T14 VSS_211 U14 VSS_212 V14 VSS_213 W14 VSS_214 Y14 VSS_215 AA14 VSS_216 AB14 VSS_217 AE14 VSS_218 AF14 VSS_219 AG14 VSS_220 AH14 VSS_221 AJ14 VSS_222 A15 VSS_223 B15 VSS_224 D15 VSS_225 G15 VSS_226 H15 VSS_227 J15 VSS_228 K15 VSS_229 L15 VSS_230 M15 VSS_231 N15 VSS_232 P15 VSS_233 R15 VSS_234 ...

Page 67: ...N C13447 0 1uF 16V R13406 91K 1 16W 1 C13446 2200pF 50V 1 0V_DCDC_ROHM R13403 4 7 C13411 22uF C13400 22uF C13440 10uF 25V OPT 12V ZD13400 2 5V OPT R13421 18K 1 C13445 1uF 10V C13406 2200pF 50V C13409 10uF 16V R13402 3 3 1 10W 5 C13434 10uF 25V R13405 27K 1 16W 1 C13446 1 3300pF 50V 1 0V_DCDC_TI C13407 1uF 10V R13407 39K 1 16W 5 R13404 10K VDDC PANEL_VCC R13424 10K L13402 C13404 470pF 50V C13402 0 ...

Page 68: ......

Page 69: ...LCD TV Repair Guide 14 years New Models Applicable Model 65UB980T TA Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...r auto 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 MR13 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 t...

Page 71: ... 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 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 LVDS Cable Speake...

Page 72: ...eplace 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 LCD TV Error symptom 2 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ... Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Setting Quick Setting Programmes Programme 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 Revis...

Page 74: ...ce 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 LCD TV Error symptom 4 2013 01 31 Copyright 2014 LG Electronics Inc All ri...

Page 75: ...ing 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 Screen n...

Page 76: ...tput 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 LCD TV Error symptom 6 Stand By Red or Turn On Operating Turn Off Close 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and servi...

Page 77: ...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 POWEROF...

Page 78: ...air 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 LCD TV Error symptom Standard Repair Process 8 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 79: ...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 Established ...

Page 80: ... 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 LCD TV Error symptom 10 Y 2...

Page 81: ...ate 11 16 LCD TV 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 2013 01 31 Copyright 20...

Page 82: ... N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 LCD TV 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 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ...heck the Camera wafer P4200 12 13pin Standard Repair Process Established date Revised date 13 16 LCD TV Error symptom 13 Change the Camera assy Normal Voltage Close Y Y N Replace Main B D Camera Ver is NULL N Close A25 A4 A4 A25 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 84: ... 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 LCD TV Error symptom Standard Repair Process 14 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 85: ...lution 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 LCD TV Error symptom Standa...

Page 86: ...e controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 LCD TV Error symptom Standard Repair Process 16 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 87: ...art A5 7 A Video error _Vertical Horizontal bar residual image light spot LCD TV 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 Exc...

Page 88: ...ormal 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 controller operation checking method A22 22 Motion Remote operation checking method A23 23 Wifi operation checking method A24 24 Camera operation checking method A25 Not Used 25 E Etc Tool option changing method A26 Continued from previous page...

Page 89: ...ack 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 LCD TV A1 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...ter 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 Entry method 1 Press the ADJ button on the remote controller 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 2014 02 14 Copyright 2014 LG El...

Page 91: ...ard 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 LCD TV A3 2014 02 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 92: ...Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A4 Established date Revised date Error symptom Content LCD TV A4 2014 02 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 93: ...m power supply finally replace the MAIN BOARD 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 LCD TV A5 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 94: ...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 LCD TV A6 ALL MODELS 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 95: ...o error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content LCD TV A7 ALL MODELS 2013 01 31 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 96: ...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 LCD TV A8 2014 02 14 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 97: ...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 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 98: ...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 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 99: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 100: ...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 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ...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 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ...Power error _No power A17 Established date Revised date Error symptom Content LCD TV A17 ST BY condition On or Off Power ON condition Turn Off 2014 02 07 65UB980T TA Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ...V 3 5V 2014 02 05 1 PWR ON 2 DVR_ON 3 P_DIM 1 4 PDIM 2 5 3 5V 6 GND 7 3 5V 8 3 5V 9 GND 10 GND 11 12V 12 12V 13 12V 14 12V 15 12V 16 GND 17 GND 18 24V 19 24V 20 24V 21 24V 22 24V 23 GND 24 GND 25 SCLK 26 GND 27 SIN 28 VSYNC P_main Maker Yeonho 28Pin SMAW200 H28S5K 14년 적용 28Pin map LPB Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only...

Page 104: ...ndard 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 LCD TV A19 2014 02 05 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 105: ... 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 LCD TV A20 2014 02 05 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 106: ...tage and speaker checking method when there is no audio C Audio error_No audio Normal video A21 Established date Revised date Error symptom Content LCD TV A21 2014 02 05 65UB980T TA 1 PWR ON 2 DVR_ON 3 P_DIM 1 4 PDIM 2 5 3 5V 6 GND 7 3 5V 8 3 5V 9 GND 10 GND 11 12V 12 12V 13 12V 14 12V 15 12V 16 GND 17 GND 18 24V 19 24V 20 24V 21 24V 22 24V 23 GND 24 GND 25 SCLK 26 GND 27 SIN 28 VSYNC 1 H_SPK_R 2 ...

Page 107: ...en it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error A22 Established date Revised date Error symptom Content LCD TV A22 2014 02 07 65UB980T TA 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 LOGO_LIG HT_WAFER 6 C_SPK_L 7 3 5V_ST 8 GND 9 EYE_SCL 10 EYE_SDA 11 GND Copyright 2014 LG Electronics Inc All rights reserved Only for trainin...

Page 108: ...een Motion assy Main board 3 Check the 3 3V on the terminal 2 Standard Repair Process Detail Technical Manual Motion Remote operation checking method Established date Revised date Error symptom Content LCD TV A23 A23 D Function error 2014 02 07 65UB980T TA Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 109: ...operation checking method A24 Established date Revised date Error symptom Content LCD TV A29 D Function error 2014 02 07 65UB980T TA P4000 1 GND 2 3 5V 3 WOL 4 DN 5 GND 6 DP 7 NC 8 3 3V 9 GND 10 RTS 11 CTS 12 UART_RX_RF 13 RESET 14 UART_TX_RF 15 GND Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 110: ...able condition between Camera assy Main board 3 Check the 3 5V on the terminal 2 65UB980T TA P4200 1 CAM_SLIDE_DET 2 CAM_TRIGGER_DET 3 GND 4 CAMERA_DM 5 CAMERA_DP 6 GND 7 I2S_WOOFER 8 AUD_SCK 9 AUD_LRCK 10 I2S_AMP 11 GND 12 3 5V_CAM 13 3 5V_CAM 14 CAM_PWR_ON_CMD 15 CAM_RESET 16 CAM_SLEEP 17 GND Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Interna...

Page 111: ... has each password Standard Repair Process Detail Technical Manual Tool option changing method A26 Established date Revised date Error symptom Content LCD TV A30 65UB980T TA E Etc 2014 02 05 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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