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Standard Repair Process Detail Technical Manual

Check power input voltage and ST-BY 3.5V

B. Power error _No power

A18

Established

date

Revised

date

Error

symptom

Content

LCD TV

2013. 12 .06

18 Pin

(Power Board ↔ Main Board)

Power on

DRV-ON

3.5V

P-DIM

3.5V

GND

N.C

24V

GND

12V

N.C

GND

Check the 3.5V( 3, 5, 6)

Only for training and service purposes

LGE Internal Use Only

Содержание 47LB582Y

Страница 1: ...820 582T 582Y 47LB5820 582T 582Y TB CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ...Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 17 EXPLODED VIEW 18 SCHEMATIC CIRCUIT DIAGRAM ...

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

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

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

Страница 6: ...n Remarks 1 Market Asia Oceania Africa Middle East PAL DVB Market 2 Broadcasting system PAL B B PAL B G PAL D K PAL I SECAM B G SECAM D K NTSC M DVB T T2 DVB S S2 MODEL NAME T2 C S2 FHD V Europe model T2 C FHD T HD D T C FHD 0 HD B Israel only T C FHD Y HD Z 3 Channel Storage ATV DTV 1500EA 4 Receiving system Analog Upper Heterodyne Digital COFDM DVB T Only DVB T Model Digital COFDM DVB T T2 Only ...

Страница 7: ... 480 15 63 59 94 SDTV DVD 480i 3 720 480 31 47 59 94 480p 4 720 480 31 50 60 00 480p 5 720 576 15 625 50 00 SDTV DVD 625 Line 6 720 576 31 25 50 00 HDTV 576p 7 1280 720 45 00 50 00 HDTV 720p 8 1280 720 44 96 59 94 HDTV 720p 9 1280 720 45 00 60 00 HDTV 720p 10 1920 1080 31 25 50 00 HDTV 1080i 11 1920 1080 33 75 60 00 HDTV 1080i 12 1920 1080 33 72 59 94 HDTV 1080i 13 1920 1080 56 250 50 HDTV 1080p 1...

Страница 8: ...C 8 1360 x 768 60Hz 47 712 60 015 VESA WXGA 9 1920 x 1080 60Hz 67 5 60 WUXGA Reduced Blanking FHD only No Resolution H freq kHz V freq Hz Propose 1 640 480 31 469 31 5 59 94 60 SDTV 480P 2 720 480 31 469 31 5 59 94 60 SDTV 480P 3 720 576 31 25 50 SDTV 576P 4 720 576 15 625 50 SDTV 576I 5 1280 720 37 500 50 HDTV 720P 6 1280 720 44 96 45 59 94 60 HDTV 720P 7 1920 1080 33 72 33 75 59 94 60 HDTV 1080I...

Страница 9: ...rs Caution When still image is displayed for a period of 20 minutes or longer Especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Feature and Function 3 1 USB Inspection 1 Insert the USB STICK to the USB JACK 2 USB STICK Light OK position OK Green Light OK NG position NG No Light NG 3 After complete remove th...

Страница 10: ... or NG Printer Out MAC Address Label 4 2 LAN Inspection 4 2 1 Equipment Condition Each other connection to LAN Port of IP Hub and Jig 4 2 2 LAN inspection solution LAN Port connection with PCB Setting automatic IP If you want manual connection enter Network connection at MENU Mode of TV Press Start connection key then Network will be connected Setting state confirmation If automatic setting is fin...

Страница 11: ...number at Instart menu 4 4 2 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 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 mode...

Страница 12: ...0 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 ⓔ1 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 09 57 07 ⓕ 0x02 ⓕ 0x03 ⓕ E3 05 00 00 02 3A 80 18 71 38 0x04 2D 40 58 2C 45 00 40 84 63 00 00 1E 01 1D 80 18 0x05 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1...

Страница 13: ...l Medium Warm 6 Remove probe and RS 232C cable to complete adj W B Adj must begin as start command wb 00 00 and finish as end command wb 00 ff and Adj offset if need All models have to fix G gain 172 2 Manual adjustment method 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10 cm of the surface 3 Press ADJ key EZ adj...

Страница 14: ...tionary items 1 Lighting condition in surrounding area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10 cm and perpendicular of the module surface 80 100 5 2 6 Reference White balance Adj coordinate and color temperature Luminance 204 Gray Standard color coordinate and temperature using CS 100...

Страница 15: ... 4 ON Perform GND TEST If NG Buzzer will sound to inform the operator If OK changeover to I P check automatically Remove CORD A V form AV JACK BOX Perform I P test If NG Buzzer will sound to inform the operator If OK Good lamp will lit up and the stopper will allow the pallet to move on to next process 8 2 Checkpoint TEST voltage GND 1 5 KV min at 100 mA SIGNAL 3 KV min at 100 mA TEST time 1 secon...

Страница 16: ...tically Download 3 Show the message Copying files from memory 4 Updating is starting 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared y...

Страница 17: ...D T2 LNB USB2 USB3 51P or 51P 41P or 30P eMMC 4GB Sub Micom RENESAS R5F1000G DDR3 1600 X 16 256MB X 1EA P_TS X_TAL 27MHz T2 Without ATV A B HDCP EEPROM 16Kb X_TAL 32 768KHz I2S Out I2C 1 LVDS USB P_TS I2C 5 I2C 1 H P AV COMP Tuner I2C 6 DVB S I2C 4 OCP 1 5A OCP 1A HDD MHL 1A SIL1292 MHL I2C 4 MHL R E A R S I D E S I D E R E A R H AMP TI CVBS YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 3 IR WIFI Joystick...

Страница 18: ...cal 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 without permission of manufacturer ...

Страница 19: ..._57 AH7 VCCK_58 AJ7 VCCK_59 AK7 VCCK_60 AL7 VCCK_61 AM7 VCCK_62 AN7 VCCK_63 L16 VCCK_64 V12 VCCK_65 U12 VCCK_66 T12 VCCK_67 AD13 VCCK_68 AD17 VCCK_69 AD14 VCCK_70 AB12 VCCK_71 AA12 VCCK_72 AC12 VCC3IO_C T9 VCC3IO_B_1 Y10 VCC3IO_B_2 AA10 VCC3IO_A_1 D22 VCC3IO_A_2 E22 DVSS_1 AC18 DVSS_2 AB21 DVSS_3 AB14 DVSS_4 N13 DVSS_5 P13 DVSS_6 R13 DVSS_7 T13 DVSS_8 U13 DVSS_9 V13 DVSS_10 W13 DVSS_11 Y13 DVSS_12...

Страница 20: ...T41K128M16JT 125 K IC701 3 DDR_256MB_MICRON A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQ0 E3 DQ1 F7 DQ2 F2 DQ3 F8 DQ4 H3 DQ5 H8 DQ6 G2 DQ7 H7 DQ8 D7 DQ9 C3 DQ10 C8 DQ11 C2 DQ12 A7 DQ13 A2 DQ14 B8 DQ15 A3 VREFCA M...

Страница 21: ...TIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPDIF_OUT C3602 0 1uF 16V R3611 2 7K OPT JK3602 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_NORMAL R3610 33 36 JACK HIGH MID 2011 11 21 SPDIF SPDIF OUT Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 22: ...F 10V WIFI R4133 10K OPT WIFI_DP WIFI_DM P4101 12507WR 08L NON_EYE_Q_8P 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 GND 6 LOGO LED_R 7 IR 8 GND 9 L4100 BLM18PG121SN1D M_RFModule_RESET LOGO_LIGHT R4113 100 C4104 1000pF 50V R4118 10K 5 C4107 100pF 50V R4125 10K LED_R C4112 10uF 10V WIFI KEY2 IR C4120 0 1uF 16V LOGO_LIGHT KEY1 3 5V_ST_WAKE D4100 5 6V AMOTECH CO LTD OPT R4136 22 WIFI WOL WIFI_POWER_ON P4102 12507...

Страница 23: ...R3806 10K D3803 5 6V AV_COMP_ESD SOC_TX ZD3804 ADUC 5S 02 0R5L OPT R3800 75 1 TU_DEBUG JK3800 PPJ245 01 NON_Mold_AV 6A GN C SPRING 7A GN E LUG 4A GN CONTACT 5B BL C SPRING 8C RD1 E LUG S 6C RD1 C SPRING 4C RD1 CONTACT 5D WH C SPRING 4E RD2 CONTACT 6E RD2 C SPRING 7E RD2 E LUG R3801 0 OPT R3811 1K R3812 1K JK3800 1 PPJ245N2 01 Mold_AV 6A GN YL O SPRING 7A GN YL E LUG 4A GN YL CONTACT 5B BL O SPRING...

Страница 24: ...K SPK_L C5417 22000pF 50V 0 1uF C5401 50V I2C_SDA1 0 1uF C5419 50V C5435 0 47uF 50V SPK_L Q5400 MMBT3904 NXP AMP_MUTE_MICOM E B C C5429 390pF 50V C5404 1000pF 50V R5416 5 1K L5404 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5405 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5402 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5403 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH 1uF C5412 10V L5404 LPH6045T 100M ...

Страница 25: ...T R6103 33K HP_OUT_MTK C6102 1uF 10V HP_OUT R6105 4 7K HP_OUT C6103 1uF 10V HP_OUT HP_ROUT_MAIN L6100 120 ohm HP_OUT BLM18PG121SN1D C6104 180pF HP_OUT_MTK R6106 43K 1 HP_OUT C6107 0 1uF 16V HP_OUT C6109 180pF HP_OUT_MTK R6102 33K HP_OUT_MTK HP_ROUT_AMP C6104 1 18pF HP_OUT_H13 C6109 1 18pF HP_OUT_H13 C6108 10pF 50V HP_OUT C6106 10pF 50V HP_OUT IC6100 TPA6138A2 HP_OUT 3 OUTR 2 INR 4 GND_1 1 INR 6 VS...

Страница 26: ...E USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC L DIM0_VS_PWR L DIM0_SCLK_PWR R7601 10K L DIM_OUT_8P P7600 12507WR 08L L DIM_OUT_8P 1 2 3 4 5 6 7 8 9 L DIM0_MOSI_PWR R7602 33 L DIM_OUT_8P R7603 33 L DIM_OUT_8P I2C_SCL1 I2C_SDA1 76 LOCAL DIMMING 2011 12 13 To LED DRIVER LOCAL DIMMING Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 27: ...116 P7 NC_119 P10 RESET K5 VCCQ_1 C6 VCCQ_2 M4 VCCQ_3 N4 VCCQ_4 P3 VCCQ_5 P5 VCC_1 E6 VCC_2 F5 VCC_3 J10 VCC_4 K9 VDDI C2 VSS_1 E7 VSS_2 G5 VSS_3 H10 VSS_4 K8 VSSQ_1 C4 VSSQ_2 N2 VSSQ_3 N5 VSSQ_4 P4 VSSQ_5 P6 NC_1 A1 NC_2 A2 NC_5 A8 NC_6 A9 NC_7 A10 NC_8 A11 NC_9 A12 NC_10 A13 NC_11 A14 NC_12 B1 NC_13 B7 NC_14 B8 NC_15 B9 NC_16 B10 NC_17 B11 NC_18 B12 NC_19 B13 NC_20 B14 NC_21 C1 NC_22 C3 NC_24 C7...

Страница 28: ...IRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 24V_AMP C5450 10uF 35V OPT Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 29: ... 100V 1N4148W OTP_WRITE R180 4 7K 3 3V_NORMAL OTP_WRITE VDD3V3 R194 10K R195 10K Q100 PMV48XP G D S C115 1 2 7pF 50V EAX6561020X_2 7pF C114 1 2 7pF 50V EAX6561020X_2 7pF SIL_RESET R153 1 1 5K TU_Q_KR R152 1 1 5K TU_Q_KR C114 1 0pF 50V EAX6561090X_1pF C115 1 0pF 50V EAX6561090X_1pF X100 27MHz 4 GND_2 1 X TAL_1 2 GND_1 3 X TAL_2 RST_HUB RST_HUB CAM_SLIDE_DET CAM_SLIDE_DET R196 240 IC105 LGE2122 A2_M...

Страница 30: ...TP327 R372 0 R352 1 2K HP_OUT TP351 SC_R_SOC C371 0 01uF COMP1_Y AV1_CVBS_SOC HDMI_HPD_3_JACK PCM_RST TP339 TXA4N CI_CD2 TU_RESET2 TXC4N MT5398_TS_IN 0 TP314 COMP1_Pr TP341 TP302 D2 _HDMI1_SOC TP381 MT5398_TS_SYNC TP350 C339 560pF 50V OPT D0 _HDMI3_JACK OSCL2 COMP1 AV1 DVI_R_IN_SOC VDD3V3_HDMI C345 10uF 16V C346 10uF 16V R380 1K TU_S N Q_T US KR TW DDC_SDA_MHL 5VBUS HDMI_HPD_4_MHL DDC_SCL_MHL D0 _...

Страница 31: ... 7 COMP 9 SS TR 10 PH_1 11 PH_2 12 PH_3 13 BOOT 14 PWRGD 15 EN 16 VIN_3 5 AGND 8 RT CLK 6 VSENSE 4 GND_2 2 VIN_2 17 EP GND C2417 10uF 35V IC2404 RT8289GSP 3 NC_2 2 NC_1 4 FB 1 BOOT 5 EN 6 GND 7 VIN 8 SW 9 EP GND IC2400 BD86106EFJ 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 SW_1 8 SW_2 9 EP C2405 0 0068uF 50V ZD2400 5V ZENER_3 3V_NORMAL JP2408 JP2409 JP2410 JP2411 L2410 2uH NR8040T2R0N IC2405 TPS54327DD...

Страница 32: ...21 10 P71 KR1 SI21 SDA21 11 P70 KR0 SCK21 SCL21 12 P30 INTP3 RTC1HZ SCK11 SCL11 13 P50 INTP1 SI11 SDA11 14 P51 INTP2 SO11 15 P17 TI02 TO02 16 P16 TI01 TO01 INTP5 17 P15 PCLBUZ1 SCK20 SCL20 18 P14 RXD2 SI20 SDA20 19 P13 TXD2 SO20 20 P12 SO00 TXD0 TOOLTXD 21 P11 SI00 RXD0 TOOLRXD SDA00 22 P10 SCK00 SCL00 23 P146 24 P147 ANI18 25 P27 ANI7 26 P26 ANI6 27 P25 ANI5 28 P24 ANI4 29 P23 ANI3 30 P22 ANI2 31...

Страница 33: ...ID Q3309 PMV48XP G D S MHL_DET Q3311 MMBT3904 NXP E B C R3307 1 8K DDC_SDA_MHL R3379 22K 5V_MHL DDC_SCL_MHL R3380 1 8K R3381 22K D3314 MMBD6100 A2 C A1 C3302 0 1uF 16V JK3300 51U019S 312HFN E R B LG EAG62611204 FREEPORT 14 NC 13 CE_REMOTE 5 D1_GND 20 BODY_SHIELD 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 CK 4 D1 1 D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK JK3303 51U019S 312HFN...

Страница 34: ...G 3 E_SPRING R3705 1K ZD3703 20V ADUC 20S 02 010L OPT R3720 100 RS232C_US R3721 100 RS232C_US C3710 0 1uF RS232C_US C3713 0 1uF RS232C_US C3709 0 1uF RS232C_US 3 5V_ST SOC_TX ZD3702 ADUC 20S 02 010L 20V OPT C3708 0 1uF RS232C_US IC3700 MAX3232CDR EAN41348201 RS232C_US 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 C3711 0 1uF RS232C_US SO...

Страница 35: ...T2 7 OUT1 8 FLT1 9 EP GND IC4306 1 DIODES TAIWAN INC USB2 3_OCP_DIODES 3 EN1 2 IN 4 EN2 1 GND 5 FLG2 6 OUT2 7 OUT1 8 FLG1 9 EP GND R4303 2 2 USB_Serial_2 2ohm R4304 2 2 USB_Serial_2 2ohm R4305 2 2 USB_Serial_2 2ohm R4306 2 2 USB_Serial_2 2ohm C4500 0 1uF 16V R4500 10K OPT 5V_USB_1 R4501 10K IC4500 AP2171DM8G 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC JK4500 3AU04S 305 ZC LG 1 2 3 4 5 USB_...

Страница 36: ...D FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC D5001 5 5V LAN_ESD EPHY_TDN D5003 5 5V LAN_ESD D5000 5 5V LAN_ESD D5002 5 5V LAN_ESD EPHY_TDP EPHY_RDN EPHY_RDP C5000 0 1uF 16V C5001 0 01uF 50V JK5000 RJ45VT 01SN002 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 550 LAN_VERTICAL 2013 11 26 Ethernet Block Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purp...

Страница 37: ...1 B1 TU6402 TDJM H101F DEV_TU_KR_PIP 1 B1 3 3V 2 NC_1 3 M_DIF_AGC 4 SCL_RF 5 SDA_RF 6 M_DIF P 7 M_DIF N 8 S_SIF 9 S_CVBS 10 NC_2 11 B2 3 3V 12 S_ERROR 13 GND_1 14 S_MCLK 15 S_SYNC 16 S_VALID 17 S_DATA 18 NC_3 19 NC_4 20 NC_5 21 NC_6 22 NC_7 23 NC_8 24 NC_9 25 S_RESET_DEMOD 26 B3 3 3V 27 SCL_DEMOD 28 B4 1 1V 29 NC_10 30 SDA_DEMOD 47 SHIELD B1 B1 A1 A1 TU6402 2 TDJM K101F DEV_TU_CO_T2 1 B1 3 3V 2 RF...

Страница 38: ... FE_DEMOD1_TS_ERROR RF_SWITCH_CTL_TU 3 3V_TU FE_DEMOD2_TS_VAL 5V_NORMAL R6518 10K TU_DEMOD_CORE IC6500 AP2132MP 2 5TRG1 EAN61387601 TU_DEMOD_CORE 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP C6515 1uF TU_DEMOD_CORE R6520 10K 1 TU_1 2V 3 3V_TUNER 0 1uF C6516 TU_DEMOD_CORE R6519 1 14K TU_1 1V Demod_Core R6521 20K 1 TU_1 2V C6518 10uF 16V TU_DEMOD_CORE R6520 1 2K TU_1 1V R6521 1 18K TU_1 1V R...

Страница 39: ...8SG121TN1D LVDS_51PIN PANEL_VCC TXD2P TXA2P TXD3N TXD4N I2C_SCL1 TXA4N TXB0N TXACLKP TXD1P P7100 FI RE51S HF J R1500 LVDS_51PIN 1 NC 2 NC 3 NC 4 NC 5 NC 6 AUO_65_MIRROR 7 LVDS_SEL 8 NC 9 NC 10 L DIM_ENABLE 11 GND 12 RA0N 13 RA0P 14 RA1N 15 RA1P 16 RA2N 17 RA2P 18 GND 19 RACLKN 20 RACLKP 21 GND 22 RA3N 23 RA3P 24 RA4N 25 RA4P 26 GND 27 BIT_SEL 28 RB0N 29 RB0P 30 RB1N 31 RB1P 32 RB2N 33 RB2P 34 GND ...

Страница 40: ......

Страница 42: ...ing power auto on off 8 8 C Audio error No audio Normal video 9 9 Wrecked audio discontinuation noise 10 10 D Function error No response in remote controller key error recording error memory error 11 11 External device recognition error 12 12 E Noise Circuit noise mechanical noise 13 13 F Exterior error Exterior defect 14 14 G Network error Connection defect Network speed low 15 First of all Check...

Страница 43: ...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 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A7 A3 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D ...

Страница 44: ...nd replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date LCD TV Error symptom 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 45: ...in Replace Main B D Check Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close By using Digital signal level meter By using Diagnostics menu on OSD Menu Set up Support Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N N Normal Picture Y Close N A7 Standard Repair Process Established d...

Страница 46: ... Different maker TV etc Y Change satellite setting match with installed ANT N Normal Picture Y Close N A7 Standard Repair Process Established date Revised date LCD TV Error symptom Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Normal setting Contact with signal distributor or broadcaster Cable or Air Close N Check Tuner soldering Replace Ma...

Страница 47: ...evice and cable Y External device Cable normal RGB HDMI DVI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error A8 N Y End Replace module Request repair for external device cable Color error Check Test pattern A12 A10 A11 Standard Repair Process Established date Revised date LCD TV Error symptom 2013 12 06 Copyright 2014 LG Electronics Inc All righ...

Страница 48: ...ng Jig pattern Generator Set top Box etc N Y Replace Main B D Screen normal Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Component error RGB 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 B D Screen ...

Страница 49: ... of 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 A19 A4 Standard Repair Process Established date Revised date LCD TV Error symptom Stand By Red Operating white Close 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes...

Страница 50: ...EMOTE 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 POWEROFF_UN...

Страница 51: ...nd repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A24 A25 Disconnection Established date Revised date LCD TV Error symptom Standard Repair Process 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...nnect 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 Establ...

Страница 53: ...ace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A27 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 A4 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A27 Replace Main B D Y A27 Standard Repair Process Established date Revised date LCD TV Error symptom 20...

Страница 54: ...nal device cable RGB 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 LCD TV Error symptom Standard Repair Process 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 55: ...ed as shown in 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 LCD TV Er...

Страница 56: ...emote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date LCD TV Error symptom Standard Repair Process 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...s a probelm or not Setting Network Networ Status Y Try to new network connection match with AP and ether setting N Normal Picture Y Close N A7 Check Network connection Case1 WiFi Check AP status Case2 Wired Check ethernet Port Normal setting Check connection with AP or internet WiFi AP Wired ethernet port Close N Check Wired Wifi status Cable sub Assy Replace Main B D Copyright 2014 LG Electronics...

Страница 58: ...eck it s worked CI 1 2 or 1 3 Setting Antenna CI information Y N Check status of CI Key in the In start menu Is there CI key Check damage of CI slot pin Or damage of CI CAM Close N Check Wired Wifi status Cable sub Assy Replace Main B D Replace Main B D Or Download CI Key Old version of CI 1 2 CAM is not worked at the TV that is supported CI 1 3 Check SVC Bulletin Copyright 2014 LG Electronics Inc...

Страница 59: ...le LVDS reconnection condition A10 A11 A10 32 37 42 47 55 A11 32 AUO 12 Adjustment Test pattern ADJ Key A12 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A10 A11 A10 32 37 42 47 55 A11 32 AUO 15 Adjustment Test pattern ADJ Key A12 16 Appendix Defected Type caused by T Con Inverter Module Exchange T Co...

Страница 60: ...ER BOARD PIN voltage checking method A19 27 C Audio error_No audio Normal video Checking method in menu when there is no audio A24 28 Voltage and speaker checking method when there is no audio A25 29 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 30 D Function error_ No response in remote controller key error Remote controller operation c...

Страница 61: ...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 module holes LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...suring method A Video error_No video Normal audio A2 Established date Revised date Error symptom Content LCD TV Check the DC 24V 18 Pin 9 10 24V 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...White Balance value A Video error_No video Normal audio ALL MODELS A4 Established date Revised date Error symptom Content LCD TV 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 2013 12 06 Copyright 2014 LG Elec...

Страница 64: ...ed date Error symptom Content LCD TV Check the 12V 3 5V 18 Pin Power Board Main Board 1 Power on 2 DRV ON 3 3 5V 4 P DIM 5 3 5V 6 3 5V 7 GND 8 N C 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 N C 17 GND 18 GND 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...e Error symptom Content LCD TV Check the DC 24V 12V 3 5V 18 Pin Power Board Main Board 1 Power on 2 DRV ON 3 3 5V 4 P DIM1 5 3 5V 6 3 5V 7 GND 8 P DIM2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 N C 17 GND 18 GND 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...ir Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A6 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ...1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A7 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ... bar residual image light spot As the part connecting to the external input check the screen condition by signal A8 Established date Revised date Error symptom Content LCD TV ALL MODELS 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...om 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 A9 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...rror_Color error Check the contact condition of the Link Cable especially dust or mis insertion A10 Established date Revised date Error symptom Content LCD TV 2013 12 06 FHD 60Hz FHD 120Hz Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ... Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A11 Established date Revised date Error symptom Content LCD TV 2013 12 06 HD Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ... 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 A12 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ...der 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 EPI Cable or Main B D 1 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 74: ...Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange EPI Cable or Main B D 2 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 75: ...Appendix Exchange LPB LED driver No Light Dim Light Dim Light Dim Light Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 76: ...Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage 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 ...

Страница 77: ...lock 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 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 ...

Страница 78: ...ower A17 Established date Revised date Error symptom Content LCD TV 2013 12 06 Front LED control Menu Option Standby Light ON Off ST BY condition Red Power ON condition Turn Off Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 79: ...d date Error symptom Content LCD TV 2013 12 06 18 Pin Power Board Main Board 1 Power on 2 DRV ON 3 3 5V 4 P DIM 5 3 5V 6 3 5V 7 GND 8 N C 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 N C 17 GND 18 GND Check the 3 5V 3 5 6 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 80: ...ror symptom Content LCD TV Check power on pin is high 2013 12 06 18 Pin Power Board Main Board 1 Power on 2 DRV ON 3 3 5V 4 P DIM1 5 3 5V 6 3 5V 7 GND 8 P DIM2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 N C 17 GND 18 GND Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 81: ...tandard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A22 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 82: ...eaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A24 Established date Revised date Error symptom Content LCD TV 2013 12 06 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...erminal 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 ALL MODELS A25 Established date Revised date Error symptom Content LCD TV 2013 12 06 18 Pin Power Board Main Board 1 Power on 2 DRV ON 3 3 5V 4 P DIM 5 3 5V 6 3 5V 7 GND 8 P DIM2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V ...

Страница 84: ...t does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error_ No response in remote controller key error ALL MODELS A27 Established date Revised date Error symptom Content LCD TV 2013 12 06 P4101 1 GND 2 KEY1 3 KEY2 4 3_5V_ST 5 GND 6 LED 7 IR 8 GND 9 SCL 10 SDA Copyright 2014 LG Electronics Inc All rights reserved Only for trai...

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