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G. Network Error

Exterior defect

Established

date

Revised date

LCD TV

Error

symptom

Standard Repair Process

2012. 12 .06

Check Network status

Normal

Signal?

Check

S/W Version

S/W Upgrade

SVC

Bulletin?

Normal

Picture?

Close

Check Wired ethernet cable connection

Check whether AP has a probelm or not.

Setting



Network



Networ Status

Try to new network connection

(match with AP and ether setting)

Normal

Picture?

Close

☞

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

Check

Wired, Wifi status

(Cable / sub Assy)

Replace

Main B/D

Only for training and service purposes

LGE Internal Use Only

Содержание 60LN57 Series

Страница 1: ... MODEL 60LN57 60LN57 ZE 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: ...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 21 EXPLODED VIEW 22 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: ...tries Germany Netherland Switzerland Hungary Austria Slov enia Bulgaria France Spain Italy Belgium Luxemburg Greece Czech Croatia Turkey Moroco Ireland Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Serbia Slovakia Beralus DTV MPEG2 4 DVB T2 8 countries UK Ireland Sweden Denmark Finland Norway Ukraine Kazakhstan Russia DTV MPEG2 4 DVB C 37 countries Germany Netherland Switzerland ...

Страница 7: ...n Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 5 Scart 1EA PAL SECAM Scart 1...

Страница 8: ... 2 720 480 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 576i 6 720 576 31 25 50 00 SDTV 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 14 ...

Страница 9: ...d Blanking 10 1920 1080 25 HDTV 1080P 11 1920 1080 33 716 33 75 29 976 30 00 HDTV 1080P 12 1920 1080 56 250 50 HDTV 1080P 13 1920 1080 67 43 67 5 59 94 60 HDTV 1080P 6 HDMI Input 6 1 DTV mode No Resolution H freq kHz V freq Hz Pixel clock MHz 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 50...

Страница 10: ...90 59 94 60 148 35 148 5 4 Frame packing Line alternative Primary HDTV 720P HDTV 720P 18 44 96 45 59 94 60 148 35 148 5 4 Side by side Full HDTV 720P 19 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 20 67 432 67 50 59 94 60 148 35 148 5 5 Frame packing Field alternative Primary HDTV 1080I HDTV 1080I 21 33 72 33 75 59 94 60 148...

Страница 11: ...75 60 00 74 25 HDTV 1080I 2D to 3D Side by Side half Top Bottom 4 1920 1080 28 125 50 00 74 25 HDTV 1080I 5 1920 1080 27 00 24 00 74 25 HDTV 1080P 2D to 3D Side by Side Half Top Bottom Checker Board 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 2D to 3D Side by Side half Top Bottom Checkerboard Single Frame Sequential Row In...

Страница 12: ...clock MHz 3D input proposed mode Proposed 1 1024 768 48 36 60 65 2D to 3D Side by Side half Top Bottom HDTV 768P 2 1360 768 47 71 60 85 5 2D to 3D Side by Side half Top Bottom HDTV 768P 3 1920 1080 67 500 60 148 50 2D to 3D Side by Side half Top Bottom Checker Board Single Frame Sequential Row Interleaving Column Interleaving HDTV 1080P 4 Others 2D to 3D 640 350 720 400 640 480 800 600 1152 864 7 ...

Страница 13: ... 2 hours In case of keeping module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours Caution When still image is displayed for a period of 20 minutes or longer Especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Automatic Adjustment 3 1 MAC address D L CI k...

Страница 14: ... menu 3 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 model name or serial ...

Страница 15: ...x LGTV ⓔ Checksum LG TV Changeable by total EDID data ⓕ Vendor Specific HDMI 1 Deep color module 10bit 2 None deep color module 8bit ⓖ Colorimetry Data Block HDMI 1 The Model not supporting XvYcc H freq kHz V freq Hz Transmission A I Set ID 20 Cr O K X or NG CMD 1 CMD 2 Data 0 A A 0 0 CMD 1 CMD 2 Data 0 C I 1 0 CMD 1 CMD 2 Data 0 A A 0 0 CMD 1 CMD 2 Data 0 C I 2 0 CI Key Value HEX EDID Table DDC F...

Страница 16: ...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 Start wb 00 2f end Off set adj wb 00 ff End white balance auto adj Adj Map Applied Model LD33B Chass...

Страница 17: ... probe 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 2 6 Reference White balance Adj coordinate and color temperature Luminance 204 Gray Standard color coordinate and temperature using CS 1000 over 26 inch Standard c...

Страница 18: ...sults are automatically marked in Instart OSD after through the AP Magic Remocon Equipment on the line 4 5 3D function test Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 4 HDMI mode NO 872 pattern No 83 1 Please input 3D test pattern like below 2 When 3D OSD appear automatically then select OK key 3 Don t wear a 3D Glasses check the picture like below 4 6 Wi Fi Test Step 1 Turn on TV Step 2 S...

Страница 19: ...stop After final inspection press IN STOP key of the Adjustment remote control and check that the unit goes to Stand by mode 7 GND and Internal Pressure check 7 1 Method 1 GND Internal Pressure auto check preparation Check that Power cord is fully inserted to the SET If loose re insert 2 Perform GND Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the aut...

Страница 20: ...automatically Download 3 Show the message Do not unplug 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 you did...

Страница 21: ...DMI1 HDMI2 HDMI3 MHL Analog Demod SYSTEM EEPROM HDMI MUX Air Cable DVB S LNB USB2 USB3 eMMC Sub Micom DDR3 P_TS 50P 50P X_TAL T C S2 Tuner A B X_TAL EPI USB P_TS H P AV COMP SCART OCP OCP HDD MHL IC R E A R S I D E S I D E R E A R H AMP CVBS YPbPr CVBS RGB SPDIF OUT ETHERNET LOCAL DIMMING BLUTOOTH IR PM IC LEVEL SHIFTER WIFI KEY LOGO LIGHT SUB ASSY UART USB_WIFI OCP SPI BLOCK DIAGRAM ...

Страница 22: ...XPLODED 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 without pe...

Страница 23: ......

Страница 24: ... Engineering guide Applicable Model Mid end Platform XXLA74 Z XXLA71 Z XXLA69 66 Z XXLA64 62 61 Z XXLN57 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 25: ... Map 4 Structure of TV set and connection of sub ass ys 5 New sub ass ys Instruction of new sub ass ys 6 Adjust way of new features 7 Repair guide Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 26: ...FHD 120Hz 10 bit application Lock signal cascading and feedback to T Con Embedded Control Data Merits Better reliability on common noise No data skew and better EMI margin Fewer lines than mini LVDS Slim PCB design TCON 2 LOCK VCC 1 Figure1 Topology Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 27: ... No data skew Better EMI margin Lower cost Cable Connector Slim S PCB design 14mm Æ 10mm helps slimmer TV EPI FHD 10bit 60Hz 120Hz 240Hz 960ch 960ch 720ch No of Signal 12 12 32 Connector 50 pin 2ea 70pin 2ea LCM T con to S Driver IC TCON 2 LOCK VCC 1 TCON 18 VCC 1 18 HF mini LVDS EPI Bandwidth Capability FHD 120Hz 10Bit 594Mbps 36Lines 1 65Gbps 12Lines FHD 240Hz 10Bit 594Mbps 72Lines 1 25Gbps 32Li...

Страница 28: ...structure Standardization Fewer Lines 12 Embedded clock low EMI Clock skew free Easy to PCB design Demerit Too many lines 36 Clock skew EMI due to clock lines Bandwidth limit Transmission Overhead 4bit delimiter TCON Lock 2 1 TCON EPI Interface mini LVDS vs EPI Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 29: ...etres Present and anticipated applications include contactless transactions data exchange and simplified setup of more complex communications such as Wi Fi Communication is also possible between an NFC device and an unpowered NFC chip called a tag User Action Area Samrt phone close to NFC Tag Player choose From Smart phone to TV From TV to Smart phone Copyright 2013 LG Electronics Inc All rights r...

Страница 30: ... Micom for Key IR sensing PMIC Audio AMP xxLA660S Zx Key IR Front Spk To module 5 5 EPI Wafer S model 2 1 LNB IC Block Only S model 1 2 Chassis LD33B PCB P No EAX64797003 3 6 Level shifter WIFI BT Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 31: ...0P 50P X_TAL 27MHz T C S2 Without ATV A B HDCP EEPROM 16Kb X_TAL 32 768KHz I2S Out I2C 1 EPI I2C 2 LVDS USB P_TS I2C 5 I2C 1 H P AV COMP SCART Tuner I2C 6 DVB S I2C 4 OCP 2 5A OCP 1A HDD MHL 1A SIL1392 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 LOCAL DIMMING BLUTOOTH IR NFC PM IC LEVEL SHIFTER WIFI KEY LOGO LIGHT SUB ASSY I2C 1 UART IR KEY U...

Страница 32: ... 3 3V_Normal 1 2KΩ IC8101 NTP7513 AMP I2C_SDA1 I2C_SCL1 100Ω P7600 Local dimming 33Ω IC101 HDCP EEPROM 22Ω 33Ω IC100 NVRAM 2 7KΩ 3 3V_Normal I2C_SDA5 I2C_SCL5 33Ω 33Ω I2C_SDA6 I2C_SCL6 TUNER D 2 7KΩ 3 3V_Normal 33Ω 33Ω IC3304 MHL IC105 LGE 2122 2 LGE 2122 I2C Block Diagram Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 33: ...K DDRV DDR VDD DDR VDDQ TUNER 1 23V 12V 5V USB 1CH DCDC 4A 2CH OCP 1 2A USB2 Max 1 2A USB3 Max 1 2A USB_WIFI 3 3V Noraml 4A SPDIF IR A ssy M_REMOTE HDCP EEPROM NVRAM MTK DVDD3V3 MTK AVDD33_AADC MTK AVDD3V3 MTK AVDD3V3_MEMPLL MTK AVDD3V3_LVDS MTK AVDD33_STB AUDIO AMP EARPHONE AMP EMMC VCC EMMC VCCQ TUNER 3 3V_TU 1 8V_TU 5V USB 3A USB1 DVR Max 1 5A 1 23V 2A Copyright 2013 LG Electronics Inc All righ...

Страница 34: ...33Ω Attenuator 47 Ω MT5398_TS_OUT 0 7 CI_MDI 0 7 CI Slot 47 Ω MT5398_TS_IN 0 7 CI_TS_DATA 0 7 PCM_WE PCM_OE PCM_IRQA PCM_A_REG PCM_INPACK PCM_WAIT PCM_RST CI_DATA 0 7 CI_A_DATA 0 7 CI_ADDR 0 14 CI_A_ADDR 0 14 PCM_IORD PCM_IOWR PCM_CE2 PCM_CE1 CI_VS1 CI_CD1 CI_CD2 CI 5V Power detect PCM_5V_CTL 5V_CI_ON CI_TS_SYNC CI_TS_VAL CI_TS_CLK MTK5398_TS_SYNC MTK5398_TS_VAL MTK5398_TS_CLK DEMOD_TSDATA0 7 GPIO...

Страница 35: ...L_IN_SOC AIN4_R_AADC COMP1 AV1 DVI_R_IN_SOC SC_CVBS_IN SC_ID FB SC_R G B SC_L R_IN TU_CVBS TUNER_SIF IF_P N CVBS3P SC_CVBS_IN_SOC SC_FB_SOC ADIN0_SRV SOY1 PR1P PB1P Y1P AIN1_L R_AADC SC_R G B_SOC SC_L R_IN_SOC CVBS1P MPXP ADCINP_DEMOD ADCINN_DEMOD TU_CVBS TUNER_SIF IF_P N Parallel TS ERROR VAL SYNC CLK Parallel TS ERROR VAL SYNC CLK Copyright 2013 LG Electronics Inc All rights reserved Only for tr...

Страница 36: ...OLRCK AOSDATA0 AUD_LRCK AUD_SCK AOBCK STB_SDA STB_SCL I2C_SDA1 I2C_SCL1 IC3000 MICOM AMP_MUTE AIN1_L_AADC AIN1_R_AADC AIN4_L_AADC AIN4_R_AADC JK501 DVB only DVB only AUD_MASTER_CLK AOMCLK JK4600 OPCTRL4 AMP_RESET_N IC6100 TPA6138A2PWR HP AMP JK3602 JK3700 LPF SPEAKER_L SPEAKER_R IC6000 AZ4580MTR OP AMP Mute CTRL TR SCART_MUTE SCART JK4600 WOOFER SIDE_HP_MUTE LPF HP_L ROUT_AMP Copyright 2013 LG Ele...

Страница 37: ...CK DDC_SCL_3_JACK DDC_SDA_3_JACK TMDS Link 8bits HDMI_ARC DDC_SDA_1_SOC X tal 32 768kHz TMDS Link 8bits TMDS Link 8bits WOL_CTL SIL1292 I2C_SCL4 I2C_SDA4 5V_BUS OCP 5V_MHL MHL_DET TMDS Link or MHL Link Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 38: ...FB GMA1 GMA3 GAM9 GMA10 GMA16 GMA18 VDD VCC VCC1 8 CLK1_I CLK6_I GMA4 GMA5 GAM7 GMA12 GMA14 GMA15 GMA4 GMA5 GAM7 GMA12 GMA14 GMA15 EO GST GCLK MCLK EPI_LOCK3 EPI_LOCK6_SOURCE EPI_LOCK6 H_VDD TR Diode TR Diode SWP CTRLP SWN CTRLN VGH VGL VGL_I VGH_EVEN VGH_ODD VGH_F VGH_R 6 6 2 2 2 2 2 2 2 2 6 VST GIP_RST Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes L...

Страница 39: ...mp Controller Negative Charge Pump Controller 6 Ch Gamma Buffer DAC output Vcom reference gain Reset PANEL_VCC VCC18 VCC HVdd Vdd VCOM_P VCOM_N GAM4 5 7 12 14 15 CTRLN SWP SWN CTRLP VCOM_LOOP PMIC_RESET Vcore Level Shift TPS65198 TR Diode TR Diode VGL VGH Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 40: ...eiver M_REMOTE_RX M_REMOTE_TX M_RFModule_RESET U1RX U1TX OPCTRL49 OPCTRL50 USB_DM_P3 USB_DP_P3 RENESAS MICOM U0TX U0RX SOC_TX SOC_RX USB_DP3 5V_USB_3 USB_CTL3 USB_OCD3 USB_DM_P1 USB_DP_P1 GPIO42 TCON12 USB_DM_P0 USB_DP_P0 USB3 USB_DM3 GPIO44 ADIN2_SRV CTS RTS ADIN4_SRV 4Pin debugging wafer HDMI2 HDMI3 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE ...

Страница 41: ...al Dimming Cable Main Module EPI Cable 50 50Pin LED driver PSU IR 8Pin Cable WiFi 6Pin RF 8Pin Cable SPK Cable PCBs Cables 6 1 2 3 1 2 3 4 5 6 47LA660S ZA 4 5 4 RF Assy 5 WIFI Assy Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 42: ...nection 2 IR to Local Key 3Pin Cable IR to Logo Assy 4Pin Cable Cables 7 8 PCBs 6 IR Assy 6 47LA660S ZA Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 43: ...ss y Magic Remote control 1 System 2 Remote Buttons 3 MR13 Block Diagram 4 Function List 5 Pairing Un pairing Method Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 44: ...iring success F W version BD_ADDR to the receiver The receiver sends the pairing success packet to TV directly F W version and BD_ADDR packets are just saved on the receiver The receiver sends F W version or BD_ADDR packet to TV when it is required Motion Data Transmission Period 7 5msec Motion Data gyro accelerometer Voice Data Transmission Period 10msec Voice sampling 16khz 16bit Copyright 2013 ...

Страница 45: ...D 0xDC 0x80DC Y Screen RMT Q MENU 0xDE 0x80DE Y CH 0x00 0x8000 Y CH 0x01 0x8001 Y VOL 0x02 0x8002 Y VOL 0x03 0x8003 Y MUTE 0x09 0x8009 Y Logical Buttons AUTO_WAKEUP X 0x800C VOICE_START X 0x800A VOICE_STOP X 0x800D POINT_START X 0x803E POINT_STOP X 0x803F M4 Remote MR13 Remote POWER BACK HOME OK MUTE VOL CH 3D MYAPPS OK POWER BACK SMART VOICE 3D Screen RMT Q MENU MUTE VOL CH Copyright 2013 LG Elec...

Страница 46: ...70 512Kb Serial F M I2C ch1 I2C ch2 WM8950 Wolfson Voice MIC Knowles I2S 4 mode Only 2 8V LDO uP0108NEC5 28 SC70 Wheel Encoder IR Emitter1 IR Emitter2 Voice Scene IR Codec ADC Bluetooth Receiver BCM20702M BROADCOM Bluetooth 4 0 Antenna Connector X tal 20 MHz 512Kbit Serial Flash UART SPI Bluetooth Remote control Copyright 2013 LG Electronics Inc All rights reserved Only for training and service pu...

Страница 47: ...xis Sensing device tilt Pitch Roll angle RF Micom RF Antenna SDBTPTR3015 Partron Wireless communication X tal 24MHz Partron RF Micom BCM20733A2 Broadcom DC DC Converter TPS61097 TI Battery Boost up Regulator LDO1 uP0108NEC5 28 uPI RF Gyro Accelerometer Power Supply LDO2 uP0108NEC5 28 uPI Audio Codec Mic Power Supply 4 Function list Copyright 2013 LG Electronics Inc All rights reserved Only for tra...

Страница 48: ...s the remote should blink LED for some time and TV send pairing success packet back to TV When remote try to unpairing it doesn t care about state of receiver stand alone RF Unpairing Press BACK button and SMART button at the same time for 5 sec When remote try to unpairing it doesn t care about state of receiver stand alone After unpairing all pairing information should be erased After unpairing ...

Страница 49: ...built in Ass y feature 2 Wi Fi built in Ass y specification Introductions of 13Y WIFI built in ass y Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...Wafer 6pin 1 25mm 3 3V USB DP DN GND USB DP DN DCDC EUP3010 Crystal 20MHz 3 3V 1 2V 3 3V 1 2V Switch DM3030 Antenna 2 4G 5G Antenna 2 4G 5G RX TX RX TX WOL Switch DM3030 Block diagram 48 30 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ... 0 NETFLX 2012 12 08 Contents 1 Widevine 2 HDCP 2 0 NETFLIX 3 DTCP 4 Changed BOM LCD TV LCD TV R D Lab HW1 team Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 53: ...orth American CinemaNow Furthermore because the future will be the spread of CP widevine key download for the global model should be applied to production Because operation unique key should be downloaded for Widevine Widevine key dowmload by NSU is impossible Widevine Key Widevine Key is unique data stored TV for using Widevine Copyright 2013 LG Electronics Inc All rights reserved Only for traini...

Страница 54: ...pecification developed by Intel Corporation to protect digital entertainment across the DVI HDMI interface Why HDCP2 0 HDCP revision 2 0 supports a broader range of wired and wireless interfaces Netflix the services maintain a huge selection of movies and latest releases and offer DVD rentals via mail online streaming 2 HDCP 2 0 NETFLIX Copyright 2013 LG Electronics Inc All rights reserved Only fo...

Страница 55: ...ate entertainment content delivered to a source device via another approved copy protection system such as the DVD Content Scrambling System will be protected by this protection system Three cryptographic Keys Authentication Key which is formed as a result of authentication and used to protect the exchange keys Exchage Key which is used to set up and protect content streams Content Key which is us...

Страница 56: ...anged BOM Changed Item Separate HDCP check box HDCP 2 0 Tx HDCP 2 0 Rx HDCP 1 4 Rx As Was Current Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...iewing 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 Ch...

Страница 58: ...Cable 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...

Страница 59: ...d 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 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A28 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 ...

Страница 60: ...k and 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...letin 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 Establishe...

Страница 62: ...Box 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...

Страница 63: ...l device 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 2012 12 06 Copyright 2013 LG Electronics Inc All r...

Страница 64: ...cting 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 Scre...

Страница 65: ...age 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purpo...

Страница 66: ...y 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 POWEROFF...

Страница 67: ...d and 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...Connect and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Esta...

Страница 69: ...eplace 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...

Страница 70: ...ternal 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...roceed 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 T...

Страница 72: ... controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Adjust VCOM Established date Revised date LCD TV Error symptom Standard Repair Process A28 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ... has 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 2013 LG Electron...

Страница 74: ... Check 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 2013 LG Electronics ...

Страница 75: ...g POWER BOARD PIN voltage checking method A19 28 C Audio error_No audio Normal video Checking method in menu when there is no audio A24 29 Voltage and speaker checking method when there is no audio A25 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 31 D Function error_ No response in remote controller key error Remote controller operat...

Страница 76: ...ck 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 2012 12 06 Copyright 2013 LG E...

Страница 77: ...C 24V 12V 3 5V 24 Pin Power Board Main Board SMAW200 H24S 1 Power on 2 Inverter On off 3 3 5V 4 PWM Dim 1 5 3 5V 6 PWM Dim 2 7 GND 8 GND 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V 17 GND 18 GND 19 GND 20 GND 21 GND 22 L DIMO_VS 23 L DIM0_MOSI 24 L DIM0_SCLK 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 78: ...epair 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 79: ...op 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 80: ...tal 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 81: ... from 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 82: ...rns 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...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 EPI Cable or Main B D 1 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 84: ...er 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 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 85: ...45 88 Appendix Exchange LPB LED driver No Light Dim Light Dim Light Dim Light Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 86: ...ge Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 87: ...l Block 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 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 88: ...e status of ST BY Condition Menu Option LG Logo Light Brightness OFF LOW MIDDLE HIGH 2012 12 06 You can set the LG Logo Light to on or off by selecting OPTION in the main menus Front LOGO LED control in the status of Power On Condition Menu Option LG Logo Light Duration off off after10min Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use ...

Страница 89: ...0_MOSI 24 L DIM0_SCLK 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 For 10 models there is no voltage out for st by purpose When st by only 3 5V is normally on Check the DC 24V 12V 3 5V 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training a...

Страница 90: ...in is high 2012 12 06 24 Pin Power Board Main Board SMAW200 H24S 1 Power on 2 Inverter On off 3 3 5V 4 PWM Dim 1 5 3 5V 6 PWM Dim 2 7 GND 8 GND 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V 17 GND 18 GND 19 GND 20 GND 21 GND 22 L DIMO_VS 23 L DIM0_MOSI 24 L DIM0_SCLK Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 91: ...3 Standard 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 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 92: ... 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 A24 Established date Revised date Error symptom Content LCD TV 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 93: ...voltage supplied from Power Board If there is no input voltage remove and check the connector Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video ALL MODELS A25 ...

Страница 94: ...when it 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 P4101 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 GND 6 LOGO LED_R 7 IR 8 GND 2012 12 06 Copyright 2013 LG Electronics Inc All rights reserved Only for trai...

Страница 95: ... the remote controller And find the V COM value Which is no or minimized the Flicker If there is no flicker at default value Press the exit key and finish the VCOM adjustment Push the OK key to store the value Then the message Saving OK is pop Press the exit key to finish V COM adjustment A28 Established date Revised date Error symptom Content LCD TV 2012 12 06 Copyright 2013 LG Electronics Inc Al...

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