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L14 Repair Process

Copyright © 2013 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

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Содержание 32LB5600

Страница 1: ... 5630 563Y 55LB5610 561Y TC 55LB5630 563Y TD 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: ...ight LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 EXPLODED VIEW 14 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: ...manded other specification Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remarks 1 Market Asia Oceania Africa Middle East PAL DVB Market 2 Broadcasting system 1 PAL SECAM B G D K I 2 NTSC M 3 DVB T T2 DTV LB43B LB43M support DVB T LB43T support DVB T T2 3 Channel Storage ATV 135EA DTV 1000EA 4 Receiving system Analog Upper Heterodyne Digital COFDM DVB T...

Страница 7: ...0 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 26 97 27 23 97 24 74 17 74 25 HDTV 1080P 8 1920 1080 33 716 33 75 29 976 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148...

Страница 8: ... check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD epk file download 1 Put the USB Stick to the USB socket 2 A...

Страница 9: ...C Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing key at 8 ADC Calibration Caution Using P ONLY key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 aa 00 90 End Adjust mode Required equipment Adjustment remote control 4 2 Function Check 4 2 1 Che...

Страница 10: ... B Gain should be kept on 0xC0 and adjust other two lower than C0 When R G B Gain are all C0 it is the FULL Dynamic Range of Module Full White Pattern CA 210 COLOR ANALYZER TYPE CA 210 RS 232C Communication Mode Color Temp Color coordinate Remark Cool C50 13 000 K X 0 271 0 002 Y 0 270 0 002 Test Signal Inner pattern for W B adjust External white pattern 80IRE 204gray Medium 0 9 300 K X 0 286 0 00...

Страница 11: ... First adjust the coordinate far away from the target value x y 1 x y target i Decrease the R G 2 x y target i First decrease the B gain ii Decrease the one of the others 3 x target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing the R 4 x target y target i First decrease B so make x a little more than the target ii Adjust x value by decreasing t...

Страница 12: ...AL 3KV min at 100 mA 2 2 Poles SIGNAL 3 KV min at 100 mA 2 TEST time 1 second 3 TEST POINT 1 3 Poles GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test POWER CORD GND and LIVE NEUTRAL 2 2 Poles Hi pot Test Accessible Metal and LIVE NEUTRAL 4 LEAKAGE CURRENT At 0 5mArms NO Item CMD 1 CMD 2 Data 0 Enter download Mode Download Mode In A A 0 0 When transfer the Mode In Carry the command EDID dat...

Страница 13: ...training and service purposes 6 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 button 3 Don t wear a 3D Glasses check the picture like below ...

Страница 14: ...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 IMPO...

Страница 15: ...ATA 5 PCM_D 2 PCM_A 14 CI_TS_DATA 4 SCART1_Lout PCM_REG HP_ROUT PCM_IOWR CI_TS_DATA 1 PCM_RST PCM_A 12 CI_TS_VAL CI_TS_DATA 3 PCM_WAIT SCART1_Rout CI_TS_DATA 6 PCM_D 4 PCM_A 8 DTV MNT_VOUT PCM_D 7 PCM_OE SIDE_HP_MUTE CI_TS_DATA 7 PCM_IORD PCM_A 11 SC1_B COMP1_Pb SC1_G COMP1_Y SC1_R COMP1_Pr SC1 COMP1_L_IN SC1 COMP1_DET SC1 COMP1_R_IN FE_TS_DATA 1 FE_TS_DATA 2 FE_TS_DATA 3 FE_TS_DATA 4 FE_TS_DATA 5...

Страница 16: ..._CAP C400 1uF 10V 1005 OPT 24V R457 8 2K 1 OPT R458 0 5 OPT R438 4 7K OPT C407 10uF 10V 2012 IC401 APX803D29 1 GND 3 VCC 2 RESET IC402 APX803D29 OPT 1 GND 3 VCC 2 RESET C434 390pF 50V C419 0 039uF 50V C423 270pF 50V C435 0 1uF 16V C418 0 01uF ZD404 5V 3 5V_POWER_DET 3 5V_POWER_DET 3 5V_POWER_DET 3 3V_Normal VBUS_EN MHL_OCP_EN R463 2 7K MHL_SW_TR R464 10K MHL_SW_TR Q408 MHL_SW_TR E B C R462 10K MHL...

Страница 17: ... SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 13 04 30 USB_S1 7 L14_M1A JK700 3AU04S 305 ZC LG 1 2 3 4 5 D700 RCLAMP0502BA OPT SIDE_USB1_DM SIDE_USB1_DP C700 22uF 10V ZD700 5V OPT SD05 C701 5pF 50V OPT C702 5pF 50V OPT C703 22uF 10V USB_HDD_CAP 5V_USB USB SIDE Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE...

Страница 18: ...DMI2 JK801 EAG62611204 HDMI 2 14 NC 13 CE_REMOTE 5 D1_GND 20 GND 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 D803 2 RCLAMP0524PA ESD_HDMI1_SEMTECH 1 8 2 7 3 6 4 5 9 10 D804 2 RCLAMP0524PA ESD_HDMI1_SEMTECH 1 8 2 7 3 6 4 5 9 10 D806 2 RCLAMP0524PA ESD_HDMI2_SEMTECH 1 8 2 7 3 6 4 5 9 10 D805 2 RCLAMP0524PA ESD_HDMI2_SEMTECH 1 8 ...

Страница 19: ...D FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPDIF 2013 10 29 10 NC5_L14 3 3V_Normal SPDIF_OUT JK1001 JST1223 001 SPDIF_OPTIC 1 GND 2 VCC 3 VINPUT 4 FIX_POLE C1001 1uF 10V OPT C1002 47pF 50V SPDIF_CAP_47pF C1002 1 18pF 50V SPDIF_CAP_18pF SPDIF OPTIC JACK 5 15 Mstar Circuit Application SPDIF ESD Ready Copyright 2013 LG Electronics Inc All rights reserved Only for training and s...

Страница 20: ...2C 3 3V_Normal URSA VCOM_SDA URSA VCOM_SCL P1101 10031HR 30 MO_HD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 RXB1 RXB0 RXA4 RXA1 Pol change RXB4 RXACK RXBCK RXA0 RXA2 LVDS NON EU RXA2 RXBCK RXB4 RXA3 RXA1 RXB2 RXB3 RXA3 RXBCK RXACK RXA2 RXA1 RXB1 RXB3 RXA3 RXA2 RXA0 RXA4 Shift RXBCK RXB2 RXA4 51Pin LVDS Connector For FHD 60Hz RXACK RXA3 RXACK RXB3 RXA3 RXA1...

Страница 21: ...E E17 B_DDR3_ODT B8 B_DDR3_RASZ C8 B_DDR3_CASZ B9 B_DDR3_WEZ D11 B_RESET F10 B_DDR3_CS0 D12 B_DDR3_DQSL A19 B_DDR3_DQSU B18 B_DDR3_DQML C16 B_DDR3_DQMU D21 B_DDR3_DQSBL C18 B_DDR3_DQSBU C17 B_DDR3_DQL 0 A20 B_DDR3_DQL 1 A16 B_DDR3_DQL 2 C19 B_DDR3_DQL 3 C15 B_DDR3_DQL 4 C20 B_DDR3_DQL 5 C14 B_DDR3_DQL 6 B21 B_DDR3_DQL 7 B15 B_DDR3_DQU 0 F18 B_DDR3_DQU 1 D19 B_DDR3_DQU 2 D17 B_DDR3_DQU 3 E21 B_DDR3...

Страница 22: ... S_FLASH 2013 04 29 13 NC5_S7LR M1A SPI_SCK 3 5V_ST 3 5V_ST C1300 0 1uF R1301 4 7K OPT SPI_CS SPI_SDO IC1300 MX25L8006EM2I 12G SPI_FLASH_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R1302 33 R1300 10K OPT SPI_SDI FLASH_WP IC1300 1 W25Q80BVSSIG SPI_FLASH_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 3 5V_ST Serial Flash for SPI boot Copyright 2013 LG Elect...

Страница 23: ...RESET 3 3V_TU R1605 0 IF_NON_FILTER_KR C1614 20pF 50V OPT TU_SCL TU_GND_A R1608 33 RF_SWITCH_CTL C1607 0 1uF 16V FE_TS_SYNC R1613 0 OPT R1611 1 1K TU_IIC_NON_ATSC_1K 3 3V_Normal FE_TS_CLK R1610 1 8K TU_IIC_ATSC_1 8K TDJH G101D TU1601 1 TU_AJ_T C 47 SHIELD 6 IF P 7 IF N 8 NC_2 9 NC_3 1 B1 3 3V 2 NC_1 3 IF_AGC 4 SCL 5 SDA A1 A1 B1 B1 TDJH H101F TU1601 TU_ATSC 47 SHIELD 6 IF P 7 IF N 8 NC_2 9 NC_3 1 ...

Страница 24: ...R_KEC ZD1701 1 COMP_Pr_ZENER_KEC ZD1700 1 COMP_Pr_ZENER_KEC ZD1705 1 COMP_Y_ZENER_KEC ZD1704 1 COMP_Y_ZENER_KEC R1707 75 1 1608 R1702 75 1 AV2 1608 DTV MNT_VOUT R1723 75 CVBS_OUT_TEST R1724 0 CVBS_OUT_TEST JK1702 PPJ245N2 01 COMP_AV1_YG 5A GN YL O SPRING 6A GN YL E LUG 4A GN YL CONTACT 5B BL O SPRING 7C RD1 E LUG S 5C RD1 O SPRING 4C RD1 CONTACT 5D WH O SPRING 4E RD2 CONTACT 5E RD2 O SPRING 6E RD2...

Страница 25: ...3V_Normal R3005 10K HEAD_PHONE C3003 1000pF 50V OPT HP_LOUT R3004 1K HEAD_PHONE HP_DET 3 5V_ST HP_ROUT SIDE_HP_MUTE R3002 1K HEAD_PHONE C3002 1000pF 50V OPT R3003 1K HEAD_PHONE Q3002 MMBT3904 NXP OPT E B C Q3003 MMBT3904 NXP OPT E B C Q3005 MMBT3904 NXP OPT E B C Q3004 MMBT3904 NXP OPT E B C Q3001 MMBT3906 NXP OPT E B C Q3000 MMBT3904 NXP OPT E B C R3000 1K OPT C3004 4 7uF 10V HEAD_PHONE L3001 HEA...

Страница 26: ...YMBOL MARK OF THE SCHEMETIC RS232C_MSTAR_DEBUG_4P 2013 04 30 40 L14_S7LR M1A PM_RXD 3 5V_ST R4001 100 R4000 100 P4000 12507WS 04L RS232C_DEBUG_4P 1 VCC 2 PM_RXD 3 GND 4 RM_TXD 5 GND PM_TXD JP_GND3 RGB_DDC_SCL JP_GND4 RGB_DDC_SDA JP_GND1 JP_GND2 P4001 12505WS 04A00 MSTAR_DEBUG_4P 1 2 3 4 5 RS 232C 4PIN MSTAR DEBUG 4PIN RS 232C 4PIN MSTAR DEBUG 4PIN Copyright 2013 LG Electronics Inc All rights reser...

Страница 27: ... R4608 100 Digital Eye R4600 3 3K R4607 1K Digital Eye C4603 0 1uF 16V OPT KEY1 3 5V_ST R4601 100 C4601 1000pF 50V KEY2 VA4600 LED_R_Zener R4604 10K 1 C4604 100pF 50V R4605 1K Digital Eye SENSOR_SDA 3 3V_Normal P4601 12507WR 08L OPT 1 2 3 4 5 6 7 8 9 C4602 0 1uF 16V OPT L4600 BLM18PG121SN1D C4605 18pF 50V Digital Eye 3 5V_ST IR R4609 100 Digital Eye 3 5V_ST R4606 1 8K SENSOR_SCL P4600 12507WR 10L ...

Страница 28: ... G7 ET_COL GPIO60 J4 ET_TXD 1 GPIO61 J5 LCK GPIO194 H19 LDE GPIO195 G20 LHSYNC GPIO196 G19 LVSYNC GPIO197 G21 UART2_RX GPIO69 J17 UART2_TX GPIO70 J16 UART3_TX GPIO52 E8 UART3_RX GPIO53 D7 GPIO46 CTS U6 GPIO47 RTS V6 UART1_TX GPIO48 K15 UART1_RX GPIO49 L16 ET_TX_EN GPIO63 H5 ET_RXD 0 GPIO65 K5 ET_MDC GPIO66 K4 ET_MDIO GPIO67 H6 ET_RXD 1 GPIO68 L5 PCMADR 0 NF_AD 0 GPIO130 U17 PCMADR 1 NF_AD 1 GPIO12...

Страница 29: ...LL_2 R9 AVDD_MOD_1 L7 AVDD_MOD_2 L8 AVDD_NODIE P8 AVDD_PLL K9 AVDD3P3_DMPLL R5 AVDDL_MOD P11 DVDD_DDR_1 C7 DVDD_DDR_2 M13 DVDD_NODIE R6 DVDD_RX_1_1 A7 DVDD_RX_1_2 M12 DVDD_RX_2_1 B7 DVDD_RX_2_2 M14 VDDC_1 N11 VDDC_2 N12 VDDC_3 N13 VDDC_4 N14 VDDC_5 N15 VDDC_6 P12 VDDC_7 P13 VDDC_8 P14 VDDP L9 AVDD5V_MHL AA10 IC101 1 LGE2131 M1A_128M M1A_128M AUVRM U3 GND_1 A6 GND_2 A13 GND_3 A15 GND_4 A18 GND_5 B1...

Страница 30: ...6 SSTIMER 7 NC_2 8 PBTL 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 A_SEL_FAULT 15 MCLK 16 OSC_RES 17 DVSSO 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS 29 GND 30 AGND 31 VREG 32 GVDD_OUT 33 BST_D 34 PVDD_CD_1 35 PVDD_CD_2 36 OUT_D 37 PGND_CD_1 38 PGND_CD_2 39 OUT_C 40 NC_3 41 NC_4 42 BST_C 43 BST_B 44 NC_5 45 NC_6 46 OUT_B 47 PGND_AB_1 48 PGND_...

Страница 31: ...HAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC MHL_SW_AND 2013 09 01 L14_M1A 58 MHL_5V_EN MHL_OCP_EN MHL_CD_SENSE 3 3V_Normal IC5801 74LVC1G08GW MHL_SW_AND_GATE 3 GND 2 A 4 Y 1 B 5 VCC L14 MHL SW AND GATE Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 32: ......

Страница 33: ...1 1 Power Block Diagram 32 LPB Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 34: ...1 2 Power Block Diagram 39 42 47 49 50 55 LPB Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 35: ...801 CK D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCP CTL TPS65282 5V_USB MHL_CD_SENSE HP_L ROUT SIDE_HP_MUTE Headphone JK3000 DDR3 SDRAM 1Gbit IC1201 B MDQL 0 7 B MDQU 0 7 AVDD5V_MHL MHL_OCP CI Slot P1900 NAND FLASH IC102 1Gbit H27U1G8F2CTR BC PCM_A 0 7 TC74LCX244FT Buffer TS_DATA 0 7 PCM_DATA 0 7 EPHY LAN JK2100 COMPONENT JK2802 5V_HDMI_4 PCM_A 8 14 X tal 24M SC1 AV2_CVBS_IN DTV ...

Страница 36: ...K D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCP CTL TPS65282 5V_USB MHL_CD_SENSE HP_L ROUT SIDE_HP_MUTE Headphone JK3000 AVDD5V_MHL MHL_OCP CI Slot P1900 NAND FLASH IC102 1Gbit H27U1G8F2CTR BC PCM_A 0 7 TC74LCX244FT Buffer TS_DATA 0 7 PCM_DATA 0 7 EPHY LAN JK2100 COMPONENT JK2802 5V_HDMI_4 PCM_A 8 14 X tal 24M SC1 AV2_CVBS_IN DTV MNT_OUT DTV MNT_L R_OUT SC1_R G B COM1_Y Pb Pr TU_S...

Страница 37: ... AUD_MASTER_CLK AUD_LRCH AUD_LRCK AUD_SCK STA380BW IC3401 Main SOC M1A 256MB 내장 IC101 Connector P600 KEY1 2 LED_R IR REAR HDMI1 JK801 TU_SCL SDA SIF D_IF CVBS Comp1 AV1 JK1701 SPDIF_OUT SPDIF Optic JK1001 4 7 AV2 성장 시장 SIDE USB JK700 HDMI2 MHL JK803 CK D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCD CTL TPS65281 5V_USB MHL_CD_SENSE HP_L ROUT SIDE_HP_MUTE Headphone JK1500 2 3 Block D...

Страница 38: ...EAR HDMI1 JK801 DDR3 SDRAM 1Gbit IC1201 B MDQL 0 7 B MDQU 0 7 5 7 Main SOC M1A 128MB 내장 IC101 SPDIF_OUT SPDIF Optic JK1001 COMP2_L R_IN COMP2_Y AV_CVBS_IN COMP2_Pb Pr AV2_L R_IN AV2_CVBS_IN Comp1 AV1 JK1701 AV2 성장 시장 TU_SCL SDA SIF D_IF CVBS SIDE USB JK700 HDMI2 MHL JK803 CK D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCD CTL TPS65281 5V_USB MHL_CD_SENSE HP_L ROUT SIDE_HP_MUTE Headp...

Страница 39: ...K801 DDR3 SDRAM 1Gbit IC1201 B MDQL 0 7 B MDQU 0 7 6 7 Main SOC M1A 128MB 내장 IC101 SPDIF_OUT SPDIF Optic JK1001 COMP2_L R_IN COMP2_Y AV_CVBS_IN COMP2_Pb Pr AV2_L R_IN AV2_CVBS_IN Comp1 AV1 JK1701 AV2 성장 시장 TU_SCL SDA SIF D_IF CVBS SIDE USB JK700 HDMI2 MHL JK803 CK D0 D1 D2 _HDMI4 DDC_SCL SDA_4 HDMI_CEC SIDE_USB_DM DP USB1_OCD CT L TPS65281 5V_USB MHL_CD_SENSE HP_L ROUT SIDE_HP_MUTE Headphone JK150...

Страница 40: ...ea SW I2C 1ea HW_I2C I2C_SC D KM3 I2C_DDCR_CK GPIO76 77 SCK D M0 GPIO58 59 I2C_SC D KM1 GPIO80 81 GPIO159 160 SDAM2 GPIO55 56 HW_I2C URSA VCOM 2 5 I2C Map Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 41: ...rmal L401 L400 Q406 L410 IC404 DCDC 3 3V 1 5V L411 DDR 1 5V L409 L3704 L3701 L3702 L3703 IC3701 LDO 3 3V 1 1V L204 Main VDDC Main VOIDE Main DPMLL Main AU33 IR IC1300 FLASH L406 L206 L207 L208 L4600 IC403 DCDC 3 3V 1 1V Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 42: ...1 LNB IC2801 AMP 24V IC5600 AMP 24V L3401 USB 5V Normal IC400 DCDC 12V 5V L402 L403 L408 Q405 L1800 IC2801 Scart Audio AMP L2701 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 43: ...ignals can control the connected device 4 Uses easily portable and thin cables 5 Uses the most popular existing digital connectors HDMI Type A at the display Micro USB at the mobile device 6 Industry standard HDCP digital content protection Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 44: ...ternal Memory X X USB X O Watch Record TV watch Record X X Input list watch Record O O Input list Record RF DTV only DTV only AV X X Component X X HDMI X X Schedule Record Manual O O Broadcast information O O File system NTFS O O Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 45: ...03 TAPE POLYESTER 1 POLYESTER 100 FR FIRE RESISTANCE GRAY 200UM 30mM 120mM SERVEONE CO LTD 55LB55 Wearing the Wrist strap while the working Using the clean gloves None pollution Scrub the tape about 2 3 times for protecting come off the tape Be careful the taping position 60LB56 32LB56 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl...

Страница 46: ...L14 Repair Process Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 47: ...ewing power auto on off 8 8 C Audio error No audio Normal video 9 9 Wrecked audio discontinuation noise 10 10 D Function error Remote control Local switch checking 11 11 External device recognition error 12 12 E Noise Circuit noise mechanical noise 13 13 F Exterior error Exterior defect 14 First of all Check whether there is SVC Bulletin in GCSC System for these model Contents of LCD TV Standard R...

Страница 48: ...10 11 Check Link Cable LVDS reconnection condition A8 A9 12 Adjustment Test pattern ADJ Key A10 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A8 A9 15 Adjustment Test pattern ADJ Key A10 16 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Board 1 A 1 5 17 Exchange T Con Board 2 A ...

Страница 49: ...lacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 14 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A6 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 Cable 2012 01 14 Normal Audio On Y N Normal Voltage No...

Страница 50: ...eplace Power Board and repair parts Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 14 LCD TV Error symptom 2012 01 14 End Normal Voltage Y N Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 51: ... Y 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 Y Contact with signal distributor or broadcaster Cable or Air N N Y N A6 Standard Repair Process Established date Revised date 3 14 LCD TV Error symptom 2012 01 14 End Normal Signal Normal Picture Normal Picture Normal Picture SVC Bull...

Страница 52: ...ch with installed ANT N Y N A6 Standard Repair Process Established date Revised date 4 14 LCD TV Error symptom 2012 01 14 Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Contact with signal distributor or broadcaster Cable or Air N Check Tuner soldering Replace Main B D Normal Picture End Normal Picture Normal Setting SVC Bulletin Normal Sign...

Страница 53: ...lace Main B D N N A Video error Color error A7 N Y Replace module Request repair for external device cable Check Test pattern A10 A8 A9 Standard Repair Process Established date Revised date 5 14 LCD TV Error symptom 2012 01 14 End Color error Color error External device Cable Normal External Input Co mponent error HDMI error External device Cable Normal Copyright 2013 LG Electronics Inc All rights...

Страница 54: ... Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Connect other external device and cable Check normal operation of External Input Component HDMI by connecting Jig pattern Generator Set top Box etc Replace Main B D N Y Check S W Version Y N S W Upgrade Y N Y N Replace Main B D Replace Module Established date Revised date 6 14 LCD TV Error sym...

Страница 55: ...ut of Power B D N Y Replace Main B D Y Replace Main B D N Y Check ST BY 3 5V Replace Power B D N Replace Power B D Y A11 A12 A13 A4 Standard Repair Process Established date Revised date 7 14 LCD TV Error symptom Stand By Red 2012 01 14 End Power LED On Normal Voltage Normal Voltage Normal Operati on Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE In...

Страница 56: ...MER 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_UNKNOWN Power off by unknown s...

Страница 57: ...Speaker disconnection N Y Replace Speaker Replace MAIN Board C Audio error No audio Normal video A15 A16 Established date Revised date 9 14 LCD TV Error symptom Standard Repair Process 2012 01 14 End Normal Voltage Off Disconn ection Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ...Check audio B Voltage 24V In case of External Input signal error Check and fix external device Replace Main B D N Established date Revised date 10 14 LCD TV Error symptom Standard Repair Process A16 2012 01 14 End Signal Normal Normal Voltage Normal Audio Wrecked Audio Discontinuation Noise for all audio Wrecked Audio Discontinuation Noise only for D TV Wrecked Audio Discontinuation Noise only for...

Страница 59: ...n Connector solder Check B 3 5V On Main B D A17 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 N Y Repair Replace IR B D N A17 Replace Main B D Y A17 Standard Repair Process Established date Revised date 11 14 LCD TV Error symptom 2012 01 14 End Normal Operating Normal Voltage Normal Signal Normal Operating Normal Operating ...

Страница 60: ...al information D Function error External device recognition error Established date Revised date 12 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Signal Input Technical information External Input and Component Recognition error HDMI Optical Recognition error Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...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 13 14 LCD TV Error symptom Standard Repair P...

Страница 62: ...Exterior defect Exterior defect Established date Revised date 14 14 LCD TV Error symptom Standard Repair Process 2012 01 14 Module damage Cabinet damage Remote Controller damage Stand damage Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ... MODE checking method A14 28 C Audio error_No audio Normal video Checking method in menu when there is no audio A15 29 Voltage and speaker checking method when there is no audio A16 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A16 31 D Function error_ No response in remote controller key error Remote controller operation checking method ...

Страница 64: ...Video error_No video Normal audio ALL MODELS A1 Established date Revised date Error symptom Content LCD TV 2012 01 14 Power On disjoint back case check lighting at 2 points Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ... Revised date Error symptom Content LCD TV 2012 01 14 1 Measure DC 24V applying to inverter PCB from Power Board 2 Output 24V from Power Board supply to inverter PCB Check Pin contacting statement and connection statement Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ... White Balance value A Video error_No video Normal audio ALL MODELS A3 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 7 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 01 14 Copyright 2013 LG Elec...

Страница 67: ...ror symptom Content LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check DC 3 5V 12V 24V Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ... etc Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop A5 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...stop 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version A6 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...image light spot As the part connecting to the external input check the screen condition by signal A7 Established date Revised date Error symptom Content LCD TV ALL MODELS The picture depends on model 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...echnical Manual Check and replace Link Cable LVDS and contact condition A Video error_Color error ALL MODELS A8 A9 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 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 A10 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ...n 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 T Con Board 1 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 74: ...ower Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 75: ...pendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright 2013 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 2013 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 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 78: ...er error _No power A11 Established date Revised date Error symptom Content LCD TV ST BY condition Red Front LED control Menu Option Standby Light On Off 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 79: ...or symptom Content LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check DC 3 5V 12V 24V Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 80: ...tent LCD TV 2012 01 14 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC 17 GND 18 GND Check power on Pin 1 pin is high about 3 3V Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 81: ...Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A14 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 82: ... Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A15 Established date Revised date Error symptom Content LCD TV 2012 01 14 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...he 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 A16 Established date Revised date Error symptom Content LCD TV 18 Pin Power Board Main Board SMAW200 H18S5 1 Power on 2 DRV ON 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 NC...

Страница 84: ...e Analog Tester needle moves slowly and defective 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 A17 Established date Revised date Error symptom Content LCD TV 2012 01 14 P4600 Sub Ass y Main Ass y Copyright 2013 LG Electronics Inc All rights reserved On...

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