LED TV SERVICE MANUAL
Contents
1. A 5V_HDMI_4 A 5V DET HDMI 4 I R830 100 R819 1 R834 100 vdd TVA806 gt 1 8K Si ESD_HDMI TVA805 ers gt I ESD_HDMI VA807 ES L VA808 ESD_HDMI ESD_HDMI I o a D828 to RCLAMPOS24PA gt o E I m I x ESD_HDMI_SEMTECH I D829 I ECLAMPOS24PA gt 2 9 3 8 4 7 gt 5 6 I ESD_HDMI_SEMTECH 3 5V_ST 811 JK803 I R810 ion 0 047uF e 25 I apes ii HPD4 DDC_SDA_4 DDC_SCL_4 HDMI_CEC CK _HDMI4 CK _HDMI4 DO _HDMI4 DO _HDMI4 D1 _HDMI4 D1 _HDMI4 D2 _HDMI4 D2 _HDMI4 gt MHL_CD_SEN Ce SSS SS 4 MHL OCP I AVDD5V_MHL A 5V_HDMI_4 D800 MBR230LSFT1G IC802 BD82020FVJ R809 10 3 3V_Normal R806 10 MHL_OCP_DET K R804 0 b oe e lt lt 5V_Normal 3 3V_Normal A 802 R821 23i ae 0 1uF 10K 2 7K VBUS_EN Active Low ii R815 R827 10K 20K e __ R813 E 0806 R816 10K 805 MHL_OCP_EN Active High BLOCK 5 SHEET 7 LGE Internal Use Only PDT LE THE2. CK _HDMI4 CK _HDMI4 N R214 2 D0 _HDMI4 RXCOP R215 2 2 D0 RXCON D1 RDMIA 1 2 D1 RXCIN D2 _HDMI4 RXC2P AC12 RXCZN AE12 _DA GPIO31 F2 CK _HDMI2 F3 59 2 63 DO HDMI2 F1 B10 DO _HDMI2 RXBON 3 62 co D1 RDMI2 RXB1P o D1 HDMI2 exem D2 HDMIZ H 2 b2 _upm12 Of RXB2N n DDCDB DA GPI c10 ABO ANM P2 Y9 R3 TI N2 RINOP P3 ABS RINOM NB Ys GINOP 2 abr R COMP1_Pr COMP1_Y RINIP 02 va RINIM Y T2 15 R2 Us RI T3 2 R237 33 c218 COMP2 Pr R238 68 c219f fo R239 A 33 e220 Jo ADS COMP2 R240 68 221 2 1 33 c2224 fo AES COMP2_Pb 2 6 22 R242 8 223 Tug 6 1 1 bs RT 6 R244 2254 po Ya R246 33 C2279 40 um 6 AV2 AG RN GPIO66 LED1 GPIO59 DTV MNT VOUT P1062 1 1061 mu rec 21065 LEDO GPIO58 HE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR HE CRITICAL COMPONENTS IN THE
3. Close to the tuner IF_P_MSTAR IF_N_MSTAR SHIELD dth gt 12mil ignal Width 12mils L dth gt 24mils 3 3V_TU A GND se gt for ASIS ete 1 BV TU ite 1 Ter close to the tuner pin add 09029 Rund gen es SET FILTER SETTING 1035085017 B Frequence Filter 54MHz 350MHz Xp 350Hz 450MHz Through 3 3 Normal 450Hz 870MHz HPF THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG HLELTRONILS N BLOCK HEET Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only COMPONENTI AV COMMON AV2 COMP_AV1 2 JK1701 PPJ248 01 NOR RD3 E LUG RD3 C SPRING iE RD3 CONTACT AV2 WH2 C SPRING 1 YL CONTACT YL C SPRING COMP_AV1 JK1702 YL E LUG PPJ245 01 i
4. s p 3 3V_Normal 8 R434 10K R443 10K B 0400 MMBT3904 NXP Rm mm o we 4 4 me S 7LR core 1 157 volt e x 3A Vout 0 827 1 R1 R2 Q s s MODEL DATE BLOCK SHEET LGE Internal Use Only IR LED and Control CONTROL_NO_FILTER R611 CONTROL_FILTER 608 R610 c 1 8K C603 s LED_R BUZZ anl ST THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION SECRET ELECTRONICS MODEL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes
5. Aging chamber line Aging chamber Model LN5xxx LA6xxx LA7xxx LA8xxx Standard color coordinate and temperature using 5 2 Option selection per country 5 2 1 Overview 1 Tool option selection is only done for models in Non USA North America due to rating 2 Applied model LA32B Chassis applied to CANADA and MEXICO 5 2 2 Country Group selection 1 Press ADJ key on the Adj R C and then select Country Group Menu 2 Depending on destination select US then on the lower Country option select US CA MX Selection is done using KEY 3 Using DFT Auto PC for communication through RS 232C gt UART Baud rate 115200 bps Command ah 00 00 DATA Area Number hexadecimal ITEM DATA Area Number AREA AREA OPTION1 0 USA 1 CANADA 2 MEXICO 5 2 3 Tool Option inspection Press Adj key on the Adj R C then select Tool option CA 210 CH 14 by aging time Tool Tool Tool Tool Cool Medium Warm option1 option2 option3 option4 H R Time Min x y x x y x 32LN5300 UB LGD 545 41478 37004 12031 269 273 285 293 313 329 47LN5400 UA LGD 1569 33286 37004 46847 1 0 5 280 288 296 308 321 340 55LN5400 UA LGD POLA 2065 33286 37004 40703 2 6 10 276 283 292 303 317 335 50LN5400 UA LGD 1825 33286 37004 48895 3 11 20 273 278 289 298 314 330 42LN5400 UA LGD 1313 33286 370
6. ELECTRONICS LOW S W EU AJ Between TW PCMDATA 6 PCMDATA 7 PCMADR 0 G PCHMADR 1 G PCHMADR 2 G PCHMADR 3 G 41 6 51 6 PCMADR 6 G PCHMADR 7 G PCHMADR 8 G PCHMADR 9 G PCMADR 10 PCMADR 11 PCMADR 12 PCMADR 13 PCMADR 14 PCMREG_N G PCMOE N GPI PCMWE N PCMIORD N G PCMIOWR N G PCMCE N GPI PCMIRQA N G PCMCD N GPI PCMWAIT N G PCM RESET G PCM2 CE N G PCM2 IRQA N PCM2 CD N G PCM2 WAIT N PCM2 RESET UARTl TX GP UARTl RX G UART2 TX G UART2 RX GP UART3 TX G UART3 RX GP SCKM2 D SDAM2 D CA DA UAR UA PWMO GPIO69 PWM1 GPIO70 PWM2 GPIO71 PWM3 GPIO72 PWM4 GPIO73 PHM PM GPIO SARO GPIO34 SAR1 GPIO35 SAR2 GPIO36 SAR3 GPIO37 SAR4 GPIO38 LIKE 1019 S7LR M NON MS10 TCTOX MSD804KKX P10128 P10127 P10125 P10124 P10102 P10104 P10105 P10106 P10111 P10113 GPI PM_UART_TX GPI GPIO PM 2 GP GPIO PM 3 GPIO PM 9 PM_UART_RX GPI 21 GPIO PM GPIO PM PM PM SPI GPIO PM 0116 GPIO PM 10114 P10112 PM SPI 0118 CZ0 GPIO PM P10108 PM SPI 0133 PM SPI P10103 P10132 Ts P10134 GP10135 P10138 GP10136 GP10137 1046 DATA DATA DATA 1067 DATA 250 1051 PMO TSOVALID GPI GP106 GP107 GP GP109 4 GP1010 5 GP1011 61 GP1012 7 GP1013 8 GPI 9 GPI015 014 M 10 GPIO16 M 11 GPIO17 SCK GPIOl 12 GPIO0 SD1 GPIO2 SDO GP103 K GP1090
7. MDQUL 2 gt MDQU3 gt MDQUS A MDQU6 A MDQU7 gt IC101 MSD804KKX M NON BOL 1 R3 A 10 B DDR3 A 11 B 0083 A 12 B DDR3 B DDR3 A B 0083 BA O B_DDR3_BA 1 B_DDR3_BA 2 DDR3_MCLK 3 DQSU _DDR3_DOML B_DDR3_DOMU B DDR3 DOL O B DDR3 0012 B DDR3 DOL 3 B DDR3 DQL 4 B DDR3 DQL 5 B DDR3 501 B DDR3 501 B DDR3 DQU O B_DDR3_DQU 1 B DDR3 DQU 2 B DDR3 DQU 3 B DDR3 DQU 4 B DDR3 00015 B DDR3 DQU 6 B DDR3 DQU 7 B23 D25 F22 622 E24 F21 E23 D22 D24 D21 C24 C25 F23 E21 D23 625 623 F25 D20 B25 B24 A24 E20 K24 K25 321 320 H24 120 123 324 L24 323 M24 H23 M23 K23 621 122 822 K20 H20 121 21 K21 MODEL T TDRIE BLOCK SHEET LGE Internal Use Only Serial Flash for SPI boot NON OS SFLASH NON OS WINBOND IC1300 W25064FVSSIG OPT 10K R5502 FLASH WP R5504 33 SFLASH NON 05 MX SFLASH_OS_WINBOND H OS MACRONIX IC1300 1 IC1300 IC1300 3 MX25L6406EM21 12G W25080BVSSIG MX25L8006EM21 12G 0 101 HOLD SWP I02 5100 GND THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SECRET LG HLELTRONILS MODEL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGEle
8. c RESET GPIO40 LVAON GPIO4l LVALP GPI042 LVALN AD25 gt RXA24 gt RxA2 GP1043 LVA2P GPIO44 LVAZN GPIO45 LVA3P GPIO48 LVA3N GPIO49 LVA4P GP1052 LVAAN GP1053 GPI054 LVBOP GPIOSS LVBON CKMO GPIO LVB1P DAMO GPIO5 LVBIN L L ES vBS DET L D5 VBS_DET B7 MP1_DET HP RESET TE RESET C is 1 oPr 1 T NAND_EN lt gt 1 1 6 TRL 2 CO AB2 1 2 1 C LVB2P LVB2N LVB3P LVB3N LVB4P LVB4N GPIO194 GPIO191 MODEL OPT 4 GP10192 MODEL 5 GPI0193 MODEL MODEL DATE HEET LGE Internal Use Only MODEL OPTION a x 3 65 3 3g 5 3a 8 4 454 4 lt R202 BOOM RR 2203 RF s 2 203 R204 R225 R228 R230 R229 R213 x 2 P 8 55 2 L Qe ON OFF 2 MODEL MODEL MODE MODE MODE MODE MODE MODE MODEL OPTION MODEL 0 FHD HD OPT 1 PHM OFF PHM ON MODEL OPT 2 NON DVB T2 DVB T2 MODEL 3 NON M120 M120 MODEL OPT 4 MIUO 128M MIUO 256M MODEL_OPT_5 NON_DVB_S DVB_S MIU1 NO DDR MIU1 128M MODEL 7
9. RD2 E LUG RD2 E LUG ok T RD2 C SPRING RD2 C SPRING ue RD2 CONTACT RD2 CONTACT 2 n WH C SPRING WH1 C SPRING RD1 CONTACT RD1 CONTACT 1 9 COMPONEN RD1 C SPRING RD1 C SPRING 9 amp M Wo AVI RD1 E LUG S RD1 E LUG S 2 I BL C SPRING BL C SPRING 2 9 ARE GN CONTACT ENS 9 GN C SPRING GN C SPRING E nue 1 GN E LUG GN E LUG s I e M coner n THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics ELECTRONICS Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes 01712 AV2 CVBS IN COMP2 IN COMP2 L IN COMP2 Pr COMP2 Pb AV CVBS DET COMP2 Y AV 517 D1710 1 COMP_Pb_ZENER_KEC S_ZENER_KEC D1703 1 Pr KEC MODEL wca s s DATE BLOCK HEET LGE Internal Use Only ETHERNET option 2 ETHERNET 2 5V_Normal A ETHERNET 12101 SERIO BLM18PG121SN1D RJ45VT 01SN002 XRJV 01V 0 D12 080 1 e TP E P 4
10. THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes I I I I I I I I I I I I I s gt POWER DETECT 2 PANE LL POWER 12 1412 NIE 120 cis213121 1 407 AP7173 SPG 13 DIODES EP 1 IN 8 z NE 540 3 3V_Normal 1 5A 22uF our o R433 roy 16 OPT TOR ND Vout 0 8 14 R1 R2 1 5319 ELECTRONICS 2 5 Normal A e a 1 Power DET 3 OST BUS 7 SV lt gt S 0639 24V gt 3 78V gt 3 92 12V gt 3 58V 3 82V 3 79V 3 68V RESET IC SOC RESET RESET POWER DET TT pP
11. BLOCK T SHEET LGE Internal Use Only RS 2 5232 PHONE 530 RS232_PHONE 5232 PHONE RS232 PHONE qu 0 1uF 89232 PHONE PM RXD HP Lou EAN41348201 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes SECRET LGElectronics HEAD_PHONE HP 3 3V_Normal HEAD PHONE R5305 1K HP DET HEAD PHONE ELECTRONICS MODEL DATE BLOCK SHEET LGE Internal Use Only AVDD_DDRO CLose to DDR3 1600 lt V DDR_1600_1G_NANYA AVDD_DDRO f 11202 1 5V_DDR AVDD_DDRO A MVREFCA I I CLose to Saturn7M IC d DIE 1600 2G HYNIX IC1201 H5TQ2G63DFR PBC EAN61829203 A MVREFCA gt VREFCA A MVREFDQ VREFDQ R1203 240 AVDD DDRO 1 A A MA14 CO gt S DOLO Mg DOLI DQL2
12. SHEET e LGE Internal Use Only THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION rn a a SECRET ELECTRONICS MODEL IDBTE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only BLOCK s SHEET Copyright 2013 LG Electron Only for training and service purposes HDMI HDMI_ 1 5V_HDMI_2 A 5V_DET_HDMI_2 JK801 Prud i MM eee p CEC D801 1 ESD_HDMI1_VARISTOR 1 81 1uF 10V ESD HDMI1 CAP gt 5801 31 luF 10V ESD HDMI1 CAP gt THE SYMBOL MARK OF THIS SCHEMETI SPECIAL FEATURES IMPORTANT FOR PROT FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPE THE CRITICAL COMPONENTS IN THE N C DIAGRAM INCORPORATES ECTION FROM X RADIATION WHEN SERVICING IF IS CFIED PARTS BE USED FOR SYMBOL MARK OF THE SCHEMETIC ics Inc All right reserved ESD HDMI
13. SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ESSENTIAL THAT ONLY HANUFATURES SP CHIED PANIS BE USED FOR EET 5 ELECTRONICS MODEL C DATE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only BEBEK 9 SHEET LVDS 51Pin LVDS Connector For FHD 60Hz R1111 NON_AUO CMI_39inch NON_AUO39inch R1112 R1113 PANEL_VCC A NON AUO39inch NON EU om a a SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyri
14. o cr pATA 2 DO SCARTI Lou r Ts DATA 3 DOO CART1_Rout Ts 4 DOO 1 CVBS IN Ts DATA S DO 1_R COMP1_Pr DO C1_G COMP1_ ci DO 1 1 C1 COMP1_DE COMP1 1 IN COMP1_R_IN TP for FE TS SECRET LGElectronics ELECTRONICS MODEL s eres DATE DEBEK sess ss SHEET TP for Headphone LGE Internal Use Only L13 POWER BLOCK eM FROM LIPS amp POWER B D QSV S MMBT3906 NXP 0402 gt Ky Ss 8 SS p e M mE I 5V Normal I Vout 0 8 1 R1 R2 5V_Norma1 I Enn B 16v I T I 12V 5V_USB 1 1401 I I 1 I IC401 I TPS65281RGV 414 M I mE USB1_OCD I I I I I I I I J
15. 6 3 Checkpoint 1 Test voltage GND 1 5KV min at 100mA SIGNAL 3KV min at 100mA 2 TEST time 1 second 3 TEST POINT GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test POWER CORD GND and LIVE amp NEUTRAL 4 LEAKAGE CURRENT At 0 5mArms 7 AUDIO output check 7 1 Audio input condition 1 RF input Mono 1KHz sine wave signal 10096 Modulation 2 CVBS Component 1KHz sine wave signal 0 4Vrms 7 2 Specification No Item Min Typ Max Unit 1 Audio practical 9 0 109 120 W Remark 1 Measurement max Output L R 8 5 9 3 9 8 Vrms condition Distortionz 1096 EQ AVL Clear max Output Voice Off 2 Speaker 8Q Impedance Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 15 USB S W Download option Service only 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting Copying the file from the Memory UPGRADING 5 After updating is complete The TV will restart automatically 6 If TV turns on check your updated version and Tool option refer to the next page about tool option If downloading version is higher than your TV have TV can lost all channel data In this case you have to channel rec
16. MODEL 6 MODEL OPT 4 MODEL_OPT_6 S7LR M NON MS10 IC101 MSD804KKX RXACKP RXACKN RXAOP RXAON 1 NON_DUALSTREAM Dual Stream is only Korea 3D spec DUALSTREAM Close to MSTAR Memory OPTION MODEL_OPT_4 Memory PIN NO U23 MODEL_OPT_6 PIN NO B8 128M 128 128 256 256M 128M IF R288 100 C257 0 1uF I Il IF P MSTAR HALF NIM U NON HALE NIM EU NON T2 C287 HALE NIM IF FILTER CES ince ur u sare Nim eu_ HALF NIM IF FILTER 250 0 luF R216 R218 ANALOG SIF close to MSTAR IM EU NON 72 NIM EU 2 R219 0 RXALN 12 AD4 RXAZP L3 ACS 1 RXA2N DDCDA DA GPIO27 T4 DDCDA_CK GP1026 HoTPLUGA GP1022 AD2 AE2 AEG C SCKM1 GPIO78 AD6 2 AM1 GPIO79 ADI ACL RS PM_MODEL_OPT_1 HOTPLUGD GPIO25 I2S I F HDMI AUDIO OUT A 1 r SCART1_Lout TP209 1203 H P OUT L205 LOUT
17. NAND FLASH 26 1001 1 102 3 VG1S3ETA00 ue EAN 1 102 2 VGOS3ETAOBBBH EEPROM NVRAM 1 104 M24256 BRMN6TP sr OPT 9 e R140 1 12 1442 14 kiss ik ik 2 2K 2 2K M DIM 2 I I 111 3 3 Normal NVRAM_RENESAS IC104 2 R1EX24256BSASOA we R111 22 SDA HE SYMBOL MARK OF TH SPECIAL FEATURES IMPORTA FILRE AND ELECTRICAL SHOC ESSENTIAL THAT ONLY MANUF HE CRITICAL COMPONENTS Copyright 2013 LG Electron Only EAN62389501 4 3349003 S SCHEMETIC DIAGRAM INCORPORATES T FOR PROTECTION FROM X RADIATION K HAZARDS WHEN SERVICING IF IS ATURES SPECFIED PARTS BE USED FOR N THE SYMBOL MARK OF THE SCHEMETIC ics Inc All right reserved or training and service purposes M24512 RMN6TP NON OS 512k ST SECRET LGElectronics NAN EAN61857001 1C102 4 K9F1G08U0D NON OS 512k ATMEL 1 104 3 AT24C512C SSHD T Al we GND EAN43349004 CHIP Config R BUZZ Boot from SPI CSIN EXT FLASH 1 bO Boot from SPI CSON INT FLASH 1751 lt CHIP Config gt I2S OUT BCK I2S_OUT_MCK PAD_PWM1PAD_PWMO PCM_D 0 7 CH B51 no b0000 Boot from 8051 with SPI flash PCM D 0 21 20100 Boot from with SPI
18. 4 2 1 Overview It is a VESA regulation A PC or a MNT will display an optimal resolution through information sharing without any necessity of user input It is a realization of Plug and Play 4 2 2 Equipment 1 Since EDID data is embedded EDID download JIG HDMI cable is not need 2 Adjust by using remote controller 4 2 3 Download method using DFT Xx PC for communication through RS 232C UART baud rate 115200 bps Command aa 00 00 Start Factory mode Command ae 00 10 Download All EDID Command aa 00 90 End of Factory mode 4 2 4 Download method using Service Remocon 1 Press Adj key on the Adj R C 2 Select EDID D L menu 3 By pressing Enter key EDID download will begin 4 If Download is successful OK is display but If Download is failure NG is displayed 5 If Download is failure Re try downloads Caution When EDID Download must remove HDMI Cable 6 EDID Write confirmation Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 10 4 2 5 EDID DATA 4 2 5 1 North America PCM 4 2 5 1 1 FHD Model m HDMI 1 FHD 8BIT C S E808 EDID Block 0 Bytes 0 127 00 7 234506789 AB CD EF FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 17 01 03 80 AO 5A 78 0A EE 91 A3 54 4C 99 26 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 00 40 84 63 00 00 1E 66 21 50 BO 51 00 1B 30 70 36 00 40 84 63 00 0
19. 988 2 GP1089 0 GPI 11 6 2 GP1082 3 GP1083 41 51 5 GPI 61 GP1086 7 GP1087 080 081 084 085 TSICLK GPIO101 CK GP1075 T DCR_DA GP1074 TO_TX 8 DATA_ DATA_ DATA_ DATA_ DATA_ DATA_ S1DATA_ 1DATA 197 1019 10200 1 0201 10202 P RESET AM PRI 5 DET 5V DET AV2_C col TUNE MODE MODE LNA LNA MODE BR_RESE 2 4 1VALID GPI9 100 01 GPIO91 11 51 2 GP1093 092 3 GP1094 4 GPI 5 GPI 61 GP1097 7 GP1098 095 096 AE18 17 PF WP AD18 PF_CEO Acie PF_CE1 ACIS _ AD17 PF WE AE17 AD19 F_RB POWER_DET PM_TXD INV 26 RL ON POWER_ON OFF_1 m PM_RXD c2 R146 33 m spr FLASH_WP SIDE HP MUTE MS HPL 3 5V ST PANEL 1 A2 B2 BI CI_TS_DATA 0 7 from SLOT CI_TS_DATA 0 2 CILTS_DATATSI CITS DATATAT CITS DATATST CI TS DATAUTT _DATA Q DATATIT DATATZI DATAT3T DATATST DATAT6T DATATTI S7LR M NON MS10 IC101 MSD804KKX C RXA0 GP1039 LVAOP
20. Copyright 2013 LG Electronics Inc All right reserved Only or training and service purposes SYMBOL MARK OF THE SCHEMETIC IRIN G R210 HDMI1_ARC MAL EPHY_RP T HEAD EPHY TP EPHY RN SOC RES POWER DET RESET 43 00 Rout J ET 3 3V Normal 5 3 3 AVDD2P5 AVDD2P5 172mA gt L211 BLM18PG121SN1D CAP_10u 251 CHANGE TO AVDD2P8_MOD SN1D c291 AVDD25_PGA 13mA C269 1 10uF 10V CAP_10uF_X7R DDR3 1 5V DD DDR0 55mA 10uF_X7R ELECTRONICS BLMI8P E AVDD_DDR1 J Avpp2ps FB_CORE FB CORE MIUVDDC 4 AVDD2P5 MOD lt AVDD_DMPLL q AVDD_AU33 Q VDD33 lt VDD33 lt SYM E S7LR M NON MS10 IC101 MSD804KKX AVDD2P5 VDD2P5 VDD2P5 VDD2P VDD25 LAN VDD MOD 1 MOD 2 Ne_3 4 AVDD_NODIE DVI AVDD3P3 MPL AVDD_DMPLL DVDD_NODIE AVDD_AU33 AVDD_EAR33 AVDD_LPLL_1 AVDD LPLL 2 VDDP NAND AVDD_DDRO_D_1 AVDD_DDRO_D_2 AVDD_DDRO_D_3 AVDD DDRO C AVDD_DDR1_D_1 AVDD_DDR1_D_2 AVDD_DDR1_D_3 AVDD DDRI C GND_EFUSE MODEL
21. SbAin C SCLin SbAout C SCL out Roughly Speed 450 KHz W Use USB E2PROM Device Setting Communication Setting Port USB Base Addr 08C _ PIN PINIO 2071 Auto Detect OK SPI Setting Reverse High USE SPI V pin 1 switch UART I2c Lobel Pull all Pin High Apply Elapsed Time lac USB 450KHz Please Check the Speed To use speed between from 200KHz to 400KHz 4 Click Read tab and then load download file XXXX bin by clicking Read Flash Status 00 MStar ISP Utility 4 1 8 Checksum Hex files File Status Unused Bytes Start Addr 0000000 G 000 OxFF End Addr OsIFFFFF Batch File Elapsed Time USB 450KHz 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility V4 1 8 Device Load Read Auto ReConnect Blank V Read File HDCP Key Checksum LU Restore Data Program Verify Erase Device Exit ISP File Area 6 Hun C Erase Area First p2 KBytes C Partial Erase Setup Elapsed Time 2 USB 450KHz LGE Internal Use Only 4 1 ADC Adjustment 4 1 1 Overview ADC adjustment is needed to find the optimum black level and gain in Analog to Digital device and to compensate RGB deviation ADC adjustment is OTP Auto ADC 4 2 EDID Download
22. to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range This spec sheet is applied LED TV with LA32Bchassis 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification 2 Test condition Each part is tested as below without special notice 1 Temperature 25 C 5 C 77 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Market Input voltage Frequency Remark USA 110 240V 50 60Hz Standard Voltage of each product is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 Genera
23. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 86 4 3 Tool Option Input Input Model Tool Option according to BOM Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 12 5 Final Assembly Adjustment 5 1 White Balance Adjustment 5 1 1 Overview 5 1 1 1 W B adj Objective amp How it works 1 Objective To reduce each Panel s W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Range In order to prevent saturation of Full Dynamic range and data one of R G B is fixed at 192 and the other two is lowered to find the desired value 3 Adj condition normal temperature Surrounding Temperature 25 5 C Warm up time About 5 Min Surrounding Humidity 20 80 Before White balance adjustment Keep power on status don t power off 5 1 1 2 Adj condition and cautionary 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 10cm 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 5 1 2 Equipment 1 Color Analyzer 210 CH 9 WCG CH12 LED CH14 2 Adj Computer Duri
24. AV Audio Check AV Cable for damage for damage or open conductor Follow procedure 7 All source audio trouble shooting guide 10 Component Audio Follow procedure 7 All source audio trouble shooting guide Copyright 2013 LG Electronics Inc All rights reserved 21 LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM PIS _ 8 158 AdS aaaf SU lt gt zezexvin ul SH pe Arani WODIIN Jeu493u AZLS 1 Jiaas l l YAGE9OLOLSH CZHNW008 l o1uAH ZHIN 99 AV I qIWr9 8IW8 2IXIN HSV 14 IVINS F INGH SaNL 05 2 209 GH GH4 sam 21 Jl v 1 2 i ZHINGZ ex LGE Internal Use Only 222 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 02X0 Jeun 0Zx0 0VXO INOHd3a deis VVV V V xz vas 2 19S 2 Internal Use Only 23 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VI
25. DQL3 0015 por Douo 5i DQU3 0004 DQUS als FG fo fe III HE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR HE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2013 LG Electronics Inc All right reserved Only or training and service purposes LGElectronics 7 P3 N2 P8 P2 RB R2 R3 iu RT NT 2 NB 1 gt A MBA2 KT Ke gt A MC L2 Ki L3 T2 O 3 5j 5 a momu MDQLO E MDQLI A MDQL2 MDQL3 A MDQLS 6 A MDQL a upou1 2 I L a mpou3 A MDQUA I L A MDQUS 5 A MDQU6 E a mpou7 9 ELECTRONICS A MBA0 gt A MBA2 gt A McKB A MCKE gt A MODT gt A MRESETB gt A MDML gt A MDMU gt A MD0L0 gt A MDQL1 gt MDQL2 MDQL3 5 gt 6
26. ETHERNET 8210 2 2 2101 x II l 10 B H ETHERNET 3319 TS z 3 E n ETHERNET m Y T E 5 4 gt ETHERNET 8210 5 2102 LE 104 ETHERNET 8210 OL TUE 6 va ETHERNET gt EPHY_RN THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes SECRET LGElectronics ETHERNET 2104 SS 0 01uF 50V ELECTRONICS MODEL BLOCK LGE Internal Use Only AUDIO AMP STASSOBWEF 9 R3402 10K AUD_MASTER_CLK AUD_SCK AUD_LRCK AUD_LRCH AMP_RESET R3404 100 R3401 2 10K B 03401 AMP_MUTE MMBT3904 NXP E OPT R3405 POWER_DET 3401 AMP_SDA 1000pF 50V SCL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES I FILRE AND ELECTRICAL SHOCK HAZARDS PORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF IS ESSENTIAL TH
27. flash A S scere 51001 Secure MIPS without scramble l Dres sis CE 5 1 aup_sck e AUD MASTER 0 Num t TOORE 1 N 9 BP ar uy a a s bir PCM_REG 49 8 PCM_OE L 2CM_WE ee T PCM CE PCM PCM L usBl_ocp gt 1 lt PCM 5V C MHL OCP DET gt MHL OCP EN C PM TXD C PM RXD gt for SYSTEM opr_7 IC104 S7LR M Multi Package S7LR M_M ICTO1 TI LGE2121 MS M1 113 MS10 10 LVAOP LVAON LVAlP LVALN LVA2P LVA2N LVA3P LVA3N LVAAN LVBOP LVBON KMO GPIO56 I2C_SDAMO0 GPIO57 LVBlP GP1076 LVB2P GP1077 LVB2N LVB3P LVB3N LVB4P GP10194 GP10191 GP10192 GP10193 PWML PWM2 LED R BUZZ KEYL KEY2 ARTI MUTE C O RESET D O nanoen C Qu PM_MODEL_OPT_O HIGH NON EU Low HD EU pa sens partera is different Between EU and NON_EU PM_MODEL_OPT_1 HIGH S W_NON_EU S W is different ER ORE PM MODEL OPTION s S W TW NON EU L M MoDEL 0 1 PM MODEL OPT ee
28. long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the 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 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive compone
29. safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by
30. this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright 2013 LG Electronics Inc All rights reserved Only for tra
31. 0 00 00 00 00 00 00 00 00 F8 LGE Internal Use Only Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 2 5 1 2 HD Model m HDMI 1 HD C S 7008 EDID Block 0 Bytes 0 127 00H 7FH 0123 45 6789ABCODE F FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 1 01 01 01 01 66 21 50 BO 51 00 1B 30 40 70 0 40 84 63 00 00 1E 64 19 00 40 41 00 26 30 8 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A E 53 10 00 20 20 20 20 20 20 00 00 00 FC C 0 0 8 1 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 70 2 03 19 F1 48 10 22 20 05 84 03 02 01 23 09 57 7 67 03 OC 00 10 00 80 1E 02 3A 80 18 71 38 2D 0 58 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71 C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 25 A 8 0 1 00 1 20 GE 28 55 00 40 84 63 00 00 1 DO 8A 20 20 10 10 96 00 40 84 63 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 08 gt G 0 0 m HDMI 2 HD C S 70 8 EDID Block 0 Bytes 0 127 00 7 012345678 9 F FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 01 01 01 01 01 66 21 50 BO 51 00 1B 30 40 70 00 40 84 63 00 00 1E 64 19 00 40 41 00 26 30 88 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 1E 53 10
32. 0 1E 00 00 00 FD 00 3A 1E 53 10 00 OA 20 20 20 20 20 20 00 00 00 FC 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 E8 EDID Block 1 Bytes 128 255 80H FFH 23456789 AB CD EF 03 19 F1 48 90 22 20 05 04 03 02 01 23 09 57 67 03 0C 00 10 00 80 1E 02 3A 80 18 71 38 2D 58 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 51 DO 1E 20 6E 28 55 00 40 84 63 00 00 1E 8C DO 8A 20 EO 2D 10 10 3E 96 00 40 84 63 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 08 m HDMI 2 FHD 8BIT C S E8F8 EDID Block 0 Bytes 0 127 00 7 234506789 AB CD EF FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 1 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 1 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 5 00 40 84 63 00 00 1E 66 21 50 BO 51 00 1B 30 0 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 0 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 E8 EDID Block 1 Bytes 128 255 80H FFH 01234567 89 AB CD EF 0 02 03 19 F1 48 90 22 20 05 04 03 02 01 23 09 57 10 07 67 03 00 20 00 80 1E 02 80 18 71 38 2D 20 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71 30 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 40 72 51 DO 1E 20 6E 28 55 00 40 84 63 00 00 1E 8C 50 0A DO 8A 20 EO 2D 10 10 3E 96 00 40 84 63 00 00 60 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 0
33. 00 20 20 20 20 20 20 00 00 00 FC 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 70 EDID Block 1 Bytes 128 255 80H FFH 01234567 89 AB CD EF 3 19 F1 48 10 22 20 05 84 03 02 01 23 09 57 7 03 00 20 00 80 1E 02 80 18 71 38 2D 8 2C 04 05 40 84 63 00 00 1E 01 1D 80 18 71 6 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 1 DO 1E 20 6E 28 55 00 40 84 63 00 00 1E 8C DO 8A 20 EO 2D 10 10 3E 96 00 40 84 63 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F8 oa zs 4 2 5 2 AC3 EDID Data 4 2 5 2 1 FHD Model HDMI 1 FHD 8BIT C S E896 EDID Block 0 Bytes 0 127 00H 7FH 01234567 89 AB CD EF FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 1 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 1 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 5 00 40 84 63 00 00 1E 66 21 50 BO 51 00 1B 30 0 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 0 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 E8 EDID Block 1 Bytes 128 255 80H FFH 01234567 89 AB CD EF 0 02 03 1C F1 48 90 22 20 05 04 03 02 01 26 15 07 10 50 09 57 07 67 03 00 10 00 80 1E 02 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 DO 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A DO 8A 20 EO 2D 10 10 3E 96 00 40 84 60 63 00 00
34. 00 20 20 20 20 20 20 00 00 00 FC 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 70 EDID Block 1 Bytes 128 255 80H FFH 234 5 6789ABCODE F 0 02 03 1C F1 48 10 22 20 05 84 03 02 01 26 15 07 10 50 09 57 07 67 03 00 10 00 80 1E 02 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 DO 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C DO 8A 20 EO 2D 10 10 96 00 40 84 60 63 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 96 m HDMI 2 HD C S 7086 EDID Block 0 Bytes 0 127 OOH 7FH 234506789 AB CD EF FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 17 01 03 80 AO 5A 78 EE 91 54 4C 99 26 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 01 01 01 01 01 66 21 50 BO 51 00 1B 30 40 70 00 40 84 63 00 00 1E 64 19 00 40 41 00 26 30 88 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 1E 53 10 00 20 20 20 20 20 20 00 00 00 FC 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 70 EDID Block 1 Bytes 128 255 80H FFH 2345060789 AB CD EF 0 02 03 1C F1 48 10 22 20 05 84 03 02 01 26 15 07 10 50 09 57 07 67 03 00 20 00 80 1E 02 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 DO 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A DO 8A 20 EO 2D 10 10 3E 96 00 40 84 60 63 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00
35. 04 36607 4 21 30 270 275 286 295 311 327 42LN5300 UB LGD 1313 41478 37004 03839 5 31 40 267 272 283 292 308 324 42LN5300 UB AUO 9505 41478 37004 03839 6 41 50 266 270 282 290 307 322 42LN5300 UB LGD POLA 1297 41478 37004 03839 7 51 80 265 269 281 289 306 321 39LN5300 UB CMI POLA 5137 41478 37004 03839 8 81 119 264 267 280 287 305 319 39LN5300 UB AUO POLA 9233 41478 37004 03839 9 Over 120 263 266 279 286 304 318 32LN5300 UB CSOT POLA 4625 41478 37004 03839 32LN530B UB LGD 545 45574 37004 03839 32LN530B UB LGD POLA 545 45574 37004 03839 3 Tool option can be reconstructed by Software 5 3 Ship out mode check In stop After final inspection press In Stop key of the Adj R C and check that the unit goes to Stand by mode Copyright 2013 LG Electronics Inc All rights reserved 14 LGE Internal Use Only Only for training and service purposes 6 GND and HI POT Test 6 1 GND amp HI POT auto check preparation 1 Check the POWER CABLE and SIGNAL CABE insertion condition 6 2 GND amp HI POT auto check 1 Pallet moves in the station POWER CORD AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 GND Test Auto If Test is failed Buzzer operates f Test is passed execute next process Hi pot test Remove A V CORD from A V JACK BOX 5 HI POT test Auto If Test is failed Buzzer operates f Test is passed GOOD Lamp on and move to next process automatically
36. 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 96 m HDMI 2 FHD 8BIT C S E886 EDID Block 0 Bytes 0 127 OOH 7FH 01234567 89 AB CD EF FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 1 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 1 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 5 00 40 84 63 00 00 1E 66 21 50 BO 51 00 1B 30 0 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 0 4C 47 20 54 56 20 20 20 20 20 20 20 01 E8 EDID Block 1 Bytes 128 255 80H FFH 01234567 89 AB CD EF 0 02 03 1C F1 48 90 22 20 05 04 03 02 01 26 15 07 10 50 09 57 07 67 03 00 20 00 80 1E 02 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 DO 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A DO 8A 20 EO 2D 10 10 3E 96 00 40 84 60 63 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 86 LGE Internal Use Only 4 2 5 2 2 HD Model m HDMI 1 HD C S 7096 EDID Block 0 Bytes 0 127 00H 7FH 234 5 6789ABCODE FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 17 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 01 01 01 01 01 66 21 50 BO 51 00 1B 30 40 70 00 40 84 63 00 00 1E 64 19 00 40 41 00 26 30 88 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 1E 53 10
37. 4 176 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 10801 6 1920 1080 33 72 59 94 74 176 HDTV 10801 T 1920 1080 67 50 60 00 148 50 HDTV 1080P 8 1920 1080 67 432 59 94 148 352 HDTV 1080P 9 1920 1080 27 00 24 00 74 25 HDTV 1080P 10 1920 1080 26 97 23 976 74 176 HDTV 1080P 11 1920 1080 33 75 30 00 74 25 HDTV 1080P 12 1920 1080 33 71 29 97 74 176 HDTV 1080P Copyright 2013 LG Electronics Inc All rights reserved 8 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application This spec sheet applies to LA32B Chassis applied LED TV all models manufactured in TV factory 2 Specification 1 Because this is not a hot chassis it is not necessary to use an isolation transformer However the use of isolation transformer will help protect test instrument 2 Adjustment must be done in the correct order 3 The adjustment must be performed in the circumstance of 25 5 C of temperature and 65341056 of relative humidity if there is no specific designation 4 The input voltage of the receiver must keep 100 240V 50 60Hz 5 At first Worker must turn on the SET by using Power Only key 6 The receiver must be operated for about 5 minutes prior to the adjustment when module is in the circumstance of over 15 C In case of keeping module is in the circumstance of 0 C it should be placed in the circumstance of above 15 C for 2 hours In case of keeping module is in the circumstance o
38. ANUFATURES SERLO cs und SECRET e LG HLELTRONILS MODEL DATE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics BLOLK s HEET Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only RS 2 PM_RXD THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION no o a SECRET ELECTRONICS ioe THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only BLICK SHEET LU Ee Etui dun ee ee ee NAND FLASH MEMORY 3 3V_Normal pus os PCM A 0 7 os AR101 _ 7 29 PCM A 6 2 PCM_A 5 PCM A 4 t z 10 I 10 10v ur PAP 10uF_x of H oS AR102 PCM_A 3 _ 2 _ 1 ana ECTS PCM 101 1K z NAND_FLASH_2G_HYNIX EAN60708702 1C102 1 H27U2GBF2CTR DIMMING NAND_FLASH_1G_TOSHIBA EAN615080
39. AT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics ELECTRONICS 13402 10uH 3 3V_Normal Tou ous gt SPK A 0 22uF 1000pF EST 93209 3418 50V 50V 0 22uF x 3403 Bae SPEAKER_L 403 see 0 22uF 1000 3 3 224 z 0 1uF e NC 14 ure sov in 4 dw I c lev T 15 TT SPK L e VDDDIG1 IC GNDDIG1 UT1B IC3401 STA380BWF IC 13404 C3404 EAPD FFX4A 10uH Coe TWARNEXT FFX4B ETEF e gt SPK_R 10 49 3414 34 VREGFILT TVWHHHI a 330pF 0 22uF 1000pF AGNDPLL 50V 3419 50 50 16 3 0 22uF SPEAKER_R MCLK non R3410 R3411 Boy _ 3 3 13405 C3423 C3427 a TOSE 50V AY SPK R D gt L3401 24V F3 3V Normal caso 7123 C3407 0 1uF ur Star 6 ZZi uF iey 50V 50V 50V 50V 35V 2 3216 R3406 0 R3407 0 P3401 WAFER ANGLE SPK_L SPK_L e SPK 99 SPK_R e BLICK dee LGE Internal Use Only MSTART DEBUG_4PIN THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY M
40. Adjustment method 5 1 5 1 Auto WB calibration 1 Set TV in ADJ mode using P ONLY key or POWER ON key 2 Place optical probe on the center of the display It need to check probe condition of zero calibration before adjustment 3 Connect RS 232C Cable 4 Select mode in ADJ Program and begin a adjustment 5 When WB adjustment is completed with OK message check adjustment status of pre set mode Cool Medium Warm 6 Remove probe and RS 232C cable W B Adj must begin as start command wb 00 00 and finish as end command wb 00 ff and Adj offset if need 5 1 5 2 Manual adj 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 10cm of the surface 3 Press ADJ key gt EZ adjust using adj R C gt 6 White Balance then press the cursor to the right KEY P When KEY P is pressed 204 Gray 80IRE internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the rest will be lowered to meet the desired value 5 Adj is performed in COOL MEDIUM WARM 3 modes of color temperature x CASE First adjust the coordinate far away from the target value x y 1 x y gt 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 gt target lt target i First decrease B so make y a little more than t
41. EW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A 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 AX 400 eo B Set Stand T S Stand Base Stand Body Copyright 2013 LG Electronics Inc All rights reserved 24 LGE Internal Use Only Only for training and service purposes IP for NON EU models except EU and China TP for slot TP for S2 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes PCM A 8 PCM A 9 PCM A 10 PCM A 11 PCM A 12 PCM A 13 PCM A 14 TP for SCART gt o cis DO CARTI_MUTE o o ci 5 var DO ID o o DO FB gt o cr T5 pATA 0 DO Sci 506 gt o pATA 4 DO DTV MNT L5
42. GD 47LN5200 UA Direct i D LGD 42LN5200 UA Direct i D LGD 32LN520B UA 9 Operating Environment 1 Temp 0 40 deg Humidity 80 96 10 Storage Environment 2 1 Temp 20 60 deg 2 Humidity 85 Copyright 2013 LG Electronics Inc All rights reserved 7 Only for training and service purposes LGE Internal Use Only 5 Supported video resolutions 5 1 Component input Y CB PB CR PR No Resolution H freq kHz V freq kHz Pixel clock Proposed 4 720 480 15 73 60 00 13 5135 SDTV DVD 4801 2 720 480 15 73 59 94 13 50 SDTV DVD 4801 3 720 480 31 50 60 00 27 027 SDTV 480P 4 720 480 31 47 59 94 27 00 SDTV 480P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 33 75 60 00 74 25 HDTV 10801 8 1920 1080 33 72 59 94 74 176 HDTV 10801 9 1920 1080 67 50 60 00 148 50 HDTV 1080P 10 1920 1080 67 432 59 94 148 352 HDTV 1080P 11 1920 1080 27 00 24 00 74 25 HDTV 1080P 12 1920 1080 26 97 23 94 74 176 HDTV 1080P 13 1920 1080 33 75 30 00 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P 5 2 HDMI Input DTV No Resolution H freq kHz V freq kHz Pixel clock Proposed DTV 1 720 480 31 47 60 00 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 59 94 7
43. LG Life s Good LED TV CHASSIS LA32B MODEL 32LN5300 32LN5300 UB CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67647401 1212 Printed in Korea CONTENTS CONTENTS i 2 PRODUCT SAFETY am a xd 3 4 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 16 BLOCK DIAGRAW o u 22 EXPLODED VIEW c iesi 24 SCHEMATIC CIRCUIT DIAGRAM 2013 2 SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by N 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect the
44. SEMTECH I R807 10K 826 5 R817 I i 0801 10K e MMBT3904 NXP R803 4 R832 100 1 8K VA802 p VA801 o m ESD_HDMI m R833 100 I RT su 9 HDMIl VARISTOR a A VA804 ESD_HDMI A803 MITT REOS 0 ESD HDMI HDMI1_ARC I m D826 S RCLAMPOS24PA 2 9 o gt I gt 3 8 4 5 6 I ESD_HDMI_SEMTECH 0827 RCLAMP0524PA I Le I gt I p REAR 1 SIDE 1 MHL HPD2 DDC SDA 2 DDC SCL 2 HDMI ARC HDMI CEC HDMI2 CK _HDMI2 DO _HDMI2 DO _HDMI2 D1 _HDMI2 D1 _HDMI2 D2 _HDMI2 D2 _HDMI2 m a an an aD s R820 100 HDMI_CEC CEC_REMOTE_S7 5V_HDMI_2 Normal SV_HDMI_4 5V_Normal 3 5V_ST alilia lt lt lt 6100 MMBD6100 Y Y D822 Y Y s Y Y sens 5 i o 9 A R822 R823 8824 825 2 7K 2 7K 2 7K 2 7K I lt 2 n LC ppc_spa_2 le SDA 4 LX scr 2 im em em am aD am em em am em em em e e e es SECRET LGElectronics sp ELECTRONICS I ISIDE_HDMI MHL
45. ce General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area and remove any excess o
46. ctronics SHEET Copyright 2013 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes LG Life s Good
47. ed 247 LGE Internal Use Only Only for training and service purposes 4 Component Video Check input signal format Is it supported 5 HDMI Video No gt Replace the defective IC or re download EDID data Check JK801 JK803 Replace Jack Check DET HPD No Replace R803 R801 R826 R807 R817 Q801 R819 R818 R830 gt Replace Main Board Check Mstar LVDS Output No Replace Mstar IC101 or Main Board Copyright 2013 LG Electronics Inc All rights reserved 18 LGE Internal Use Only Only for training and service purposes 6 MHL Video Check input signal format Is it supported No 2 Replace the defective IC or re download EDID data Durs Replace Jack Check Mstar LVDS Output No Replace Mstar IC101 or Main Board Copyright 2013 LG Electronics Inc All rights reserved 19 LGE Internal Use Only Only for training and service purposes 7 All Source Audio No Check AMP IC IC3401 Power 24V 3 3V No 8 Digital Analog TV Audio Check RF Cable amp Signal No Follow procedure 7 All source audio trouble shooting guide Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes gt Replace Amp IC IC501 gt Replace Mstar IC101 or Main Board gt Replace L3703 20 N Check signal line Or replace Mstar IC101 LGE Internal Use Only 9
48. f 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 O9ch there can some afterimage in the black level area 3 Adjustment items 3 1 Main PCBA Adjustments 1 ADC adjustment ADC adjustment is OTP Auto ADC 2 EDID download HDMI m Above adjustment items can be also performed in Final Assembly if needed Both Board level and Final assembly adjustment items can be check using In Start Menu 1 Adjust Check 3 2 Final assembly adjustment 1 White Balance adjustment 2 RS 232C functionality check 3 Factory Option setting per destination 4 Shipment mode setting In Stop 5 GND and HI POT test USB Download S W Update Option and Service only Tool option menu Preset CH Information Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 MAIN PCBA Adjustments Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If display Error Check connect computer jig and set 3 Click Connect tab If display Can t Check connect computer jig and set MStar ISP Utility V4 1 8 Fed Restore HDCP n 126 Pin Definition Speed 74 EE B
49. ght 2013 LG Electronics Inc All right reserved Only for training and service purposes SECRET LGElectronics FOR FHD R Change in S7LR MIRROR 5 EV ERSE 10bit FOR FHD R Change in MIRROR S7LR ERSE 8bit Pol change RXA4 RXAG RXAD RXAO RXAL RXAl RXA2 2 RXACK RXACK ELECTRONICS HD P1101 FF10001 30 IC IC RKAO lt lt RXAL IC RXAL 7 RXA2 IC RKA2 I RXACK IC RXACK lt lt RXA3 IC RKA3 30Pin LVDS Connector For HD 60Hz Normal PANEL EU assign is dit Because of position of HD wali ferent from NON MODEL Te DATE BLOCK gt SHEET LGE Internal Use Only GLOBAL tuner block except EU and China 2 2 0 TDSS G201D TU3702 TDSH G501D TUNER OPT TUNER ISOLATOR DVB 1 H 3 3 TU R3733 100K close to TUNER R3732 9 AM TUNER RESET I I 11C j R3735 3 x B1 3 3V Tus 1 18p 5 V lt I 755 to TUNER TU_SIF
50. he target ii Adjust x value by decreasing the R 4 x lt target y gt target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G gt How to adjust 1 Fix G gain at least 172 Adjust R B Gain In Case of Mostly Blue Gain Saturation 2 When R or B Gain 255 Release Fixed G Gain and Readjust CASE Medium Warm First adjust the coordinate far away from the target value x y 1 x y gt 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 gt 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 lt target y gt target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G LGE Internal Use Only 5 1 6 Reference White Balance Adj coordinate and color temperature Luminance 204 Gray 80IRE Normal line model normal line LN5xxx LA6xxx LA7xxx LA8xxx Cool Medium Warm H R Time Min x y x x y x 269 273 285 293 313 329 1 0 2 281 290 297 310 322 342 2 3 5 280 288 296 308 321 340 3 6 9 279 287 295 307 320 339 4 10 19 277 284 293 304 318 336 5 20 35 275 280 291 300 316 332 6 36 49 273 277 289 297 314 329 7 50 79 271 275 287 295 312 327 8 80 119 270 274 286 294 311 326 9 Over 120 269 273 285 293 310 325
51. ining and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf ficient to damage an ES devi
52. l Specification EMC FCC ICES IEC specification No Item Specification Result Remark Receiving System 1 ATSC NTSC M 64 QAM 256 QAM 2 Available Channel 1 VHF 02 13 2 UHF 14 69 3 DTV 02 69 4 CATV 01 135 5 CADTV 01 135 Input Voltage AC 100 240V 50 60Hz Mark 110V 60Hz N America 4 Market NORTH AMERICA 32 39 42 47 50 55inch Wide 1920 x 1080 5 Screen Size 55LN5400 UA 50LN5400 UA 47LN5400 UA 42LN5400 UA 42LN5300 UB 39LN5300 UB 32LN5300 UB 55LN5200 UA 47LN5200 UA 42LN5200 UA 32 37inch Wide 1366 x 768 37LN530B UA 32LN530B UA 32LN520B UA Aspect Ratio 16 9 Tuning System FS Copyright 2013 LG Electronics Inc All rights reserved 6 LGE Internal Use Only Only for training and service purposes No Item Specification Result Remark 8 Module POLA LC550DUK SEE1 LGD 55LN5400 UA Direct LC500DUE SFR1 LGD 50LN5400 UA Direct LC470DUE SFR1 LGD 47LN5400 UA Direct LC420DUE SFR1 LGD 42LN5400 UA Direct LC420DUE SFR1 LGD 42LN5300 UB POLA TBD AUO 42LN5300 UB POLA HC420DUN SLFP1 LGD 42LN5300 UB POLA HC390DUN VCFP1 CMI 39LN5300 UB POLA TBD AUO 39LN5300 UB POLA HC320DXN VSFP1 CSOT 32LN5300 UB Direct LC320DUE SFR1 LGD 32LN5300 UB Direct LC370DXE SFR1 LGD 37LN530B UA Direct LC320DXE SFR1 LGD 32LN530B UA POLA HC320DXN SLFP1 LGD 32LN530B UA Direct i D LGD 55LN5200 UA Direct i D L
53. ng auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Video Signal Generator MSPG 925F 720p 204 Gray Model 217 Pattern 49 Only when internal pattern is not available Color Analyzer Matrix should be calibrated using CS 1000 LGE Internal Use Only 5 1 3 Equipment connection Color Analyzer RS 232C Computer i RS 232C RS 232C Pattern Generator Signal Source If TV internal pattern is used not needed m 5 Al Computer e 1 1 l RS232C cable Service Only RS232C Jack Jack 5 1 4 Adjustment Command Protocol 1 RS 232C Command used during auto adj RS 232C COMMAND Explanation CMD DATA ID Wb 00 00 Begin White Balance adj Wb 00 ff End White Balance adj internal pattern disappears 2 Adjustment Map Command Data Range Default Adj item lower case ASCII Hex Decimal CMD1 CMD2 MIN MAX Cool RGain j g 00 00 172 GGain j h 00 00 172 BGain j i 00 00 192 R Cut 128 G Cut 128 B Cut 128 Medium RGain a 00 00 192 GGain j b 00 00 192 BGain j 00 00 192 R Cut 128 G Cut 128 B Cut 128 Warm RGain j d 00 00 192 GGain j 00 00 192 BGain j f 00 00 172 R Cut 128 G Cut 128 B Cut 128 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 5 1 5
54. nt temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper
55. over If all channel data is cleared you didn t have a DTV ATV test on production line 3 After downloading TOOL OPTION setting is needed again 1 Push IN START key in service remote controller 2 Select Tool Option 1 and Push Ok button 3 Punch in the number Each model has their number LGE Internal Use Only TROUBLE SHOOTING 1 Power up boot check Check stand by Voltage No Check 18pin Power connectof ok Main B D 3 5V Line P401 3 3 5V ST gt Check 18pin Power connecto Short Check Replace Power board ok Check stand by Voltage No L404 L408 3 5V gt Replace L404 L408 NO Replace X201 N 9 Re download software Ng Replace Mstar IC101 or Main board eck Multi Voltage No P401 9 10pin 24V p Replace Power Board 4 pin Check 1 402 3 7 Output Voltage IC402 2 5V N 403 1 15707 pe 9 Replace 1 402 IC403 IC407 Q403 C407 1 5V Q403 3 3V N l Sw Replace Q409 No Check Mstar LVDS Output Replace Mstar IC101 or Main Board Check DRV ON Control Check Power Board P403 2 pin High Change Module Copyright 2013 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes 2 Digital Analog TV Video Check RF Cable amp Signal Check Mstar LVDS Output 3 AV Video gt Replace Jack Copyright 2013 LG Electronics Inc All rights reserv
56. r splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with
57. receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1 W keep the resistor 10 mm away from PCB Keep wires away from high voltage or high temperature parts Before returning the receiver to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals 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 metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MQ and 5 2 MQ When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purpose
58. s Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 mA In case any measurement is out of the limits specified there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE CONDUIT etc To Instrument s 9 0 15 uF exposed METALLIC PARTS 1 5 Kohm 10W When 25 is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 Q Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the
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