LG Electronics 26LK330 Flat Panel Television User Manual
Contents
1. A Boot from SPI CS1N EXT_FLASH 1 bO m Boot from SPI_CSON INT_FLASH 14054 103 DEV IC101 35669103 MSD804KKX lt CHIP Config gt 22 I2S_OUT_BCK I2S_OUT_MCK PAD PWM1PAD PWMO Peu pto 7i L3 STLB M NON 22 Ez AR101 4 bi 0 Boot from 8051 with SPI flash PCM D 0 w21 PCM AUT 4 b0001 Secure B51 without scramb AR103 4 b0010 Secure B51 with scramble M PCM A 6 4 b0100 Boot from M with 4 b0101 Boot from M F 4 b Secure MIP 4 OEL 3 3V_Normal 3 3 PF PCM A 0 14 C PF WP OPT E _ i BPE go ss on 4 ps ae 3 3v_Normal Ads 45 8 2 35 Se Berke Ha 5 Ss m R105 x x x 81002210 BALA 22 1K 1 BD T PCM 317 p p Jo ABI Fa 104 PCM A 8 Y16 x AUD ae PF CE1 e AR102 PCM_A 3 AUD MASTER CLK 0 eee 3d GPIO PM 0 GPIO6 1 50 DET PCM A 2 SUMI AD GPIOl GPIO PM 2 GPIOB8 5v DET HDMI 2 _ 1 E JE 1 12 SP10 PM 3 6P109 2 wii MESE B UE ser 41 6 010 C POWER io batterie 7 PM PIO_PM 5 GPIO112. 75 PESE ci g R2817 AUDIO LIN R2803 3 9K B_GND 75 gt Cb SCART_ADC FILTER 2813 C FILTER AUDIO R2812 CM2012FR 10K AUDTO_R_IN ain C1 L IN SE AUDIO_R_OUT P2809 R2804 9 R2818 ou 470K T A C FILTER AUDIO JK2801 IN T en 2282 PSCOOB8 O1 ON ADC FILTER AUDIO 9 1281 SC1_R_IN ere ANN lt PTV MNT_L_OUT 130124 Apply 130124 Apply THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EAX65303801 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL DATE AND ELECTRICAL SHOCK WEEN SERVICING m TS cone DATE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LG ELELTRONILS BLOCK GHEET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Life s Good
3. 101 11 CI ADDR 0 14 CI DATA 2 N 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 LGElectronics Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes jd ous T 121022 Swich block change gt POWER ENABLE CONTROL I sv gt ELECTRONICS 120915 BufferIC change Option name of this page CI SLOT because of Hong Kong CI TS INPUT 1 CI MDI 0 l crarsser ERAS gies m ge i B 120915 Array normal resistor MD a ie E xj OITO742440D OISTLPHO
4. Replace Tuner TU2602 Recheck Copyright 2013 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes 4 No Video Component Check input signal format Is it supported Check Component Cable N Check JK2800 Wave form of Comp Y Wave form of Comp Pb Wave form of Comp Pr Replace JK2800 or Check Device Check signal R237 R239 R241 Replace R237 R239 R241 C218 C220 C222 C218 C220 C222 1C101 has problem Wave form of C218 Wave form of C220 Wave form of C222 5 No Video RGB Check input signal format Is it supported n Check RGB Cable Y Replace JK400 or Check JK400 Check Device Check Hsync Vsync R266 R267 il Check signal RGB N R228 R230 R232 C204 C206 C208 1C101 has problem Wave form of R4025 Vsync Wave form of R4024 Hsync Replace R228 R230 R232 C204 C206 C208 Wave form of R228 C204 Wave form of R230 C206 Wave form of R232 C208 Copyright 2013 LG Electronics Inc All rights reserved 247 LGE Internal Use Only Only for training and service purposes 6 No Video HDMI Is it supported Check input signal format Check HDMI Cable for damage or open connector Y Check JK501 ENS Replace connector for proper connection or d
5. 111026 ESD diode deletion Jack Shield HDMII1 HDMIZ2 RGB Shield for CKD 120918 JIG GND Point addition JP GND1JP GND2 JP GND3 JP GND4 MODEL EAX65303801 4 I DATE BEDEK SHEET LGE Internal Use Only THE sy SPECIAL F FILRE AND ESSENTIAL THE CRITI HDMI 1 904 NXP VA512 20V MMBT39 R526 0 ESD component addition D508 RCLAMP0524PA 10 JK500 HDMI AR an RE OPT HDMI 1_ARC s HDMI CEC 3 DEV E 4 CK 1 CK _HDMI1 OPT ESD_HDMI_SPMTECH DEV prevention HPDL HDMI 1 5 MMBD6100 2501 R517 R518 1 eem ASVLBDMI 2 CK HDMI2 BDMI2 D0 HDMI2 DO _HDMI2 120825 ESD component addition DEV D1 HDMI2 HDMI2 2 501 ewe R530 MN33D MMBT3904 NXP MEL BOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EATURES I
6. inging issue tance Part apply RS232C SIDE Hotel Model RS232C apply 5232C apply PM Hotel Model R52 V 3 3V_S OPT IR_OUT OUT R416 i o DETEC M M3 1 Mi A PH 1 0177 Hotel Model RS232C apply THE N 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 NN SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes PC AUDIO DET PCR IN JP404 ES Jp 403 2 02 111026 LAN Jack deletior 111117 LAN Jack Addition for 72 43 3V Normal A LAN_JACK_MAIN LAN_JACK_SUB XMULTIPLE MP JK403 1 RJ45VT 01SN002 XRJV 01V 0 D12 080 _ EPAY_TN EPHY_RP EPHY_RN ELECTRONICS 5V_USB C405 eu 0 1 USB 0 1uF R417 10K R419 47 USB OCD UsB DM 1 AL8 JusB DP 1 AL7
7. MBLL CK _HDMI2 OUT GPIO 111128 E OPT R296 100 Zener Add 8 0 HDMI2 RXCOP ai R21 RXCON ae SIDE USB 4 D1 _HDMI2 RXCIP AVDD_NODIE lt AVDD_NODIE 2 1 108 RU I nd uy BENT gt 1 RXC2P m AVDD_DVI lt AVDD_DVI_U HDMI2 RXC2N FEES 1 DM AVDD_DVI_U SDA 2 I 140119 s DDCDC DA GPIO31 us pP DD DVI AVDD3P3 MPLL Em 1 HOTPLUGC 024 Ls DEMOD DVDD_NODIE HbMIl 22 DEMOD_SDA i pue dt 5 D0 HDMIL I RXBOP a or ot AVDD_EAR33 _ 1 CA 775 MEE D1 _HDMI1 1 RXBIP gt AUD MASTE cu oe VDD33 lt 1 _ 1 peer C aub Lach 2 HbMIl I RXB2P 52 RXB2N I2S I F m AvDD_LPLL_1 120715 R22 poco pA GPic 2 TERR wH 12S_OUT_WS GP10153 1024022 2 HOTPLUGB GP1023 VDD33 lt VDDP NAND CEC CEC GPIO5 ii ABS 2uF RU t sci L IN DDR3 1 5V AALI Spy r lt m SC1 IN 41 5V DDR lt DDRO D 1 t 518 AVDD DDRO D DSUB R 2216 RINOP REP AVDD m 68 0 04708 SUP BNRDELSEE NOR 3 0 0470 242 2 20 1 5V_DDR Cm oe ANET ENTER eine 3 2uF dne oF AVDD_DDR1
8. 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 SECRET LGElectronics ELECTRONICS Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes EAXGSS033 01 MODEL BLICK SHEET LGE Internal Use Only SCART COMPONENTS CVEBS COMPONENT 5 APE FILTER_L ee daly CM2012FRIOKT COMP_Y AV_CVBS_IN 121118 1 OPT COMP_A LIER EROE renee 1 1 SCART AMP IC change 2 I A R2837 1 83 22038 d 1 5 DET 1 1 IC2800 AZ4580MTR E1 1 2 2K 33K gt 5 1 1 DTV MNT L OUT I EE GN E LUG R2852 R2846 1 omP_pb 2 _ l Your mnm GN O SPRING 3 ne 470K 1 2822 222 de ios GN CONTACT To 2850 div 1 1908 BLIO SPRING 1 ut a 3 SCART1 Lout gt gt RD E LUG s JP2814 wile 1 I mo
9. 8 HD LVDS EU HD NON EU Normal Power 3 3V 01 MODEL_OPT_9 EU AJ TAIWAN MSD804KKX Other ay onis 1 15V MODEL 4 NON MELO MODEL Close to MSTAR DTV IF R268 7 RR 5 2 R288 100 0 a o o x a 3 8 7 sy sf stl Sj ajx E Hu EPI E FE wl a al a ajay ala a amp 8 2 515 s lt amp 2 s 2 sis z sa ef amp amp 5 HERE 3 EE T 8 Ji Ji Ji Jl Ji JI JJ 3 252 3 EE Ic101 amp 2 7 E MSDSDOAREM nn 8 L 9744 9 10F 7 15 E S7LR M NON MS10 0 1 R235 di z m 120925 RXACKP ANALOG SIF RXACKN Close to MSTAR RXAOP es a a E are i es Sea a RXAOW H 1 RXALN RXA2P 221 L RXA2N DDCDA_DA GPIC 5 DDCDA_CK GPI ux TO E A IS 5 1 HOTPLUGA GPIO22 2 5 R247 lt DVDb DDR 5 AE2 3 EL m AVDD2P5 5 ee TUNER I2C AVDD2PS 58 SCKM1 GPIO78 AVDD2P5 59 ADE AVDD_NODIE AMI GPIO AVDD2PS Close to MSTAR R216 PM_MODEL_OPT_1 ADI 10W gt ac AVDD Mc 5007 PowER f 5 VDD MOD 1 HOTPLUGD GPIO25 H cus Iz c DMI2 ui e CK _HDMI2 1 SPDIF_IN G Er Zeus
10. 00 31 d4F 5 d4F 6 d4F 8 0 0 0 0x03 fT io 0 0 oo oo A 5 30 4 00 FD 200 jo FD 0 1E 005 2 0 0 i FC 2 06 faa 20 20 4 20 0 00 FF 0 7 0 o 20 20 20 20 20 20 20 20 20 20 20 g doe 1288 2568 Summary 062 003 004 005 foxos foxos owe 0x00 03 8 05 03 02 j 22 jho 13 pe 14 Ox fF o 26 o 50 07 0 03 00 10 00 ox f o 1D 2 20 15 00 56 50 fo 1E m nD 0 18 16 58 22 5 56 o 31D 0 2 20 10 2 25 5 feo C4 2 72 2D 40 10 0x06 45 9 1E 2 80 38 7 20 007 2 cr week year Check sum Adjustable Data physical address HDMI 10 Check sum HDMI CE 1 Screen size Color Characteristics Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 3 2 Function Check 3 2 1 Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV SCART CVBS 3 COMPONENT 480i 4 RGB PC 1366 x
11. ELECTRONICS EAX65303801 MEDEL DATE sores SHEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LED DRIVER ye 11 MULTI_ON 01102 MMBT3904 NXP comp _ R1108 51K 1 16W To improve audible noise 24V_BLU R1110 100 ERROR_OUT Jeiiir 1 168 WLED ENABLE JP1111 WLED DIM 1133 luF 10 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EAX65303801 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL DATE FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET pr eme Nre 16 ELECTRONICS BIDE eee SHEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes CLose to DDR3 A MVREFCA 2 CLose to Saturn7M 61848802 IC1201 K4B2G1646E BCKO R1224 B MVREFCA R1225 CLose to Saturn7M J 81228 CLose to DDR3 A MVREFCA gt VREFCA A MVREF DQ gt VREFDQ s gt A MBA1 0 02 VDDQ 4 gt A MC gt VDDQ A MCKE
12. 088 pm pno mp ij 16 pin 1 switch UART I2c Pull all Pin High Flash Status 00 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 10 4 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uti V4 1 8 Config Connect Dis Con Hex files File Status Start Addr 05000000 End Addr 0x1FFFFF Checksum Unused Bytes C OxFF Batch File Elapsed Time si USB 450KHz ze eer 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility V4 3 273 mm me ms 5 Restore HDCP Erase Config Connect USB DOWNLOAD epk file download 1 Make New folder named LG_DTV and put ISP file epk in the folder 2 Put the USB Stick to the USB socket 3 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 4 Show the message Copying files from memory 5 Updating is starting TV Software Upgrade E TV Software Upgrade COMPLETED emm meet The TV will restart automatically seconds UPGRADING TTT 33 Do not unplug
13. DDR3 001 11 0083 DOL 2 0083 001 31 0083 001 41 0083 DQL S 0083 001 161 A DDR3 DOL 7 0083 DQU 0 A_DDR3_DQU 1 A_DDR3_DQU 2 DDR3 DQU 3 0083 DQU 4 0083 DQU S 0083 DQU 6 0083 DQU 7 n DDR 1600 HYNIX 9003 DEV THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics B DDR3 1 B DDR3 DDR 21 B DDR3 A 3 B DDR3 A 8 91 B_DDR3_AL B DDR3 A 11 B DDR3 A 12 B DDR3 A 13 B DDR3 A 14 B DDR3 BA 0 B DDR3 BA 1 B DDR3 BA 2 B DDR3 MCLK B DDR3 MCLKZ B DDR3 MCLKE B_DDR3_ODT B_DDR3_RASZ B_DDR3_RESET B_DDR3_DOQSL B_DDR3_DOS B_DDR3_ B DDR3 DOML DDR3 DDR3 DOL O DDR3 DOL 1 DDR3 DOL 2 DDR3 DOL 3 DDR3 DOL 4 B_DDR3_DQL 5 B DDR3 DOL 6 B_DDR3_DQL 7 01 1 21 3 0 DDR3 DQU 5 DQU 6 DQU 7 EAN61836301 IC1202 KA4B1G1646G BCKO DDR 1600 55 B MA0 B MA1 C 5 MA2 lt B MA4 CI lt B MA6 C B MA7 lt I B MA8 lt C B MA9 lt B MA10 lt I
14. gt GENE ERR ite _ A MRA 1 5 A MODT gt gt 3 A MWEB gt gt A MRESETB A MRESETBL_ gt DQSL IL us A MDOSL gt m A MDOSLB gt V gt A MDQSU LI L O A MDQSUB A MDQSU gt A MDQSUB gt V L A MDML V T L O A MDMU A MDML gt v A MDMU gt v poro V DQL1 P I L O A MDQL1 A MDQLO gt A MDQL2 A MDQL1L gt A MDQL2 v vora E gt 4 A MbQL3 gt 0015 gt A MDQLS A MDQL4 LI L O A MDQL6 A MDQLS5 gt gt A MDQL7 A MDQL6 gt V 1 gt L_ A MDQU2 A MDQU t DQU3 gt A MDQU3 A MDQ Ft 8 pova F5 IL 04 A MDQ m gt A MDQUS A MDQ a mpgue A MDQ gt A MDQU7 A MDQ 1 5V_DDR IC101 MSD804KKX 1251 S7LR M_NON_MS10 A_DDR3_A 0 A_DDR3_A 1 A_DDR3_A 2 DDR3 A 3 DDR3 A 4 DDR3 A 5 A DDR3 A 6 DDR3 A 7 DDR3 A 8 DDR3 A 9 A DDR3 A 10 A_DDR3_A 11 A_DDR3_A 12 A_DDR3_A 13 A_DDR3_A 14 A_DDR3_BA 0 A_DDR3_BA 1 A_DDR3_BA 2 A_DDR3_M A_DDR3_M A_DDR3_M A_DDR3_ODT A_DDR3_RASZ A_DDR3_CASZ A DDR3 DDR3 RESET DDR3 0081 A_DDR3_DQSLB A_DDR3_DQSU A_DDR3_DQSUB DDR3 DOML A DDR3 DQMU 0083
15. 104 S1CLK GP R136 22 c S1VALID GP R137 22 12C_SDAM2 DDCR_DA GPIO TS1SYNC GP Internal demod out DDCA_DA UARTO_TX S1DATA_ 0 GPIO91 DDCA_CK UARTO_RX DATA 11 6 092 DATA 2 GPIO93 TS1DATA_ 3 6Pr094 CO PWMO GPIO69 TS1DATA 41 6 1095 1 6 70 TS1DATA 5 GPIO96 2 lt PWM2 GPIO71 161 6 09 R110 22 MUTE m gt PWM3 GPIO72 S1DATA_ 7 GPIO9 ERROR gt E PWM4 GPIO73 R113 22 LED_AMBER C PWM_PM GP10197 SAR0 GPIO34 2 SARL GPIO35 2011 11 1 WalkieTalkie 1 RODA 22 R163 22 LED RED SPI2 DI GPIO202 5 Normal MODEL OPTION IC101 3 MSD804KKX iat S7LR M NON MS10 1 8131 Ed 22 RXAQ 1039 LVAOP 0 EP Japplied on only SMALL i 2 EEG BLU CURRENT 8226 10k pwno TOR ss 621040 LVAON 2 AO LU CUR t 1 9 816051612 gigs igs IUD 1041 LVA1P RXAL m ik Sik 4 TKS 4 1K 2 2 R178 0 EM vein ix WLED DIM t Ji C 2 ES s 22 ae 1943 VA2P A2 0 H errosa LVA2N RXA2 2
16. ing wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test Copyright 2013 LG Electronics Inc All rights reserved Only for training 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 sol der 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 elec trically 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 mate rial to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or cir cuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace
17. lt pu ix 22 8 2 4 PLO_PM 6 GP1012 ne 1 2 Lees e 3 x d 33 N GP 10126 _ 1 1 2 euast_we 25 4 3K E z E E E Petr PIO_PM 8 GPIO14 HP_MUTE y _ e e PCM OE CMOE_N GPIO116 GPIO_PM 9 GPI015 PANEL_CTL ab 5 PIO195 PM SPI SCZ2 ox 10 e1o16 DET HDMI 1 EE EE SD uu MD UE EM D GP10 PM 11 GPIO17 _MUTE e moe m TT lusus y um PM SPI SCK GPIOl SPI PCM 025 PM SPI CZ0 GPIO PM 12 GP100 DUE 22 EO sspr_cs S c o sp1 GP102 2 PCM cb PM SPI SDO GPIO3 gt spo L SERIAL FLASH aes ee 2525 1 12091 LGE2121 NonMS10 MSD804KKX T 0 192 DEL EAN62651201 NON EUROPE REGION D1 amp 2 DEL TSOCDK GRIOSO TSOVALID GPIO88 LGE2121 MS10 MSD804KKX NG GP LOS EAN62674101 EUROPE REGION S_DATA 0 from CI SLOT 252 Pact 72 RET WAIT N GP10136 10 6P1080 DRTATE 52121 98 MI L13 2 RESET 137 1 GPIOB1 Meo _ 21 GP1082 DATATI _ gt UART1_TX GPI046 13 GP1083 DATATI L 151 0 85 DATATE 16 GP1086 4 71 GP1087 for SYSTEM EEPROM
18. 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 device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropri ate 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
19. 2 SIF 2 1 8V B2 1 8V B2 1 8V e TU CVBS NC 3 CVBS 3 IF_AGC NC_2 IF_AGC t DLIF_ P 3 DIF P m c26 should be guarded by ground M DLIF N NC 4 DIF N 15 IF_P_MSTAR OPT NC_5 NC 4 e IF_N_MSTAR NC_6 NC_5 ede Ga 3 3V_TU_CHINA e o R260 D NC_7 NC 6 U SHIRIN GND_1 GND i 4 a ERROR ERROR a bd 2 SYNC SYNC VALID VALID MCLK MCLK D1 D1 D2 D2 FE_TS_DATA 0 7 AR2602 o 4 4 D5 D5 R2603 0 D6 D6 7 D7 GND_2 GND_2 GND_3 1 23V_TUNER B3 1 23V B3 1 23V DEMOD_RESET DEMOD_RESET B4 3 3V BA 3 3V F22 OUTPUT F22 OUTPUT R2600 sin e LNB TX rr S2 RESET DEMOD_SCL DEMOD_SCL l 1 c2619 3 3V S2 DE DEMOD SDA DEMOD SDA T e LNB LNB R2605 22 GND_4 1 R2604 22 LNB_OUT SHIELD SHIELD 0 D 3 3V_TU 3 3V_S2_DE A TU 3 3V_TUNER m m 121118 al SS BEAD gt SUNLORD BEAD 2 2 2 201 p l GND seperation for CHINA tuner sour 226 526546 TU_GND_B R261 621 R2622 R2623 0 R2626 R262 R26 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES BAX6E5
20. 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 Total Assembly line process 4 1 Tool option amp ADC Check 1 Press Power on key of service remote control 2 Connect USB Port USB to Serial Adapter UC 232A RS 232C cable PC RS 232C port 3 Check the Tool Option Refer to the BOM Comments or Adjustment spec 4 Check the ADC is ok 4 2 Model name amp Serial number download 4 2 1 Model name amp Serial number D L 1 Press Power on key of service remote control 2 Connect RS232 Signal Cable to RS 232 Jack 3 Write Model Name amp Serial Number by use RS 232 4 Must check the serial number at the Diagnostics of SET UP menu 4 2 2 Method amp notice 1 Model Name amp Serial Number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded By OTA or Service man Sometimes model name or serial number is initialized Not always There is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of ADJ remote control 2 Go to the menu 6 Model Number D L like below photo 3 Input the Factory model name ex 24LN4500 or Serial number like photo 1 Adjust Ch
21. USB NO Item CMD 1 CMD 2 Data 0 Enter download Download A A 0 O When transfer the Mode MODE Mode In In Carry the command EDID data and Download A E 00 10 Automatically download Model option The use of a internal Data download 3 1 2 RGB EDID Data 1 All models without 29MN33D Product ID 22984 HEXA 59C8 1288 Summary 2 03 oxo4 foxos foxos 008 foxos oxor 0 fo 9 n 17 0 0 10 Ea 2 75 5 d 2 ox fe 54 Jr OO 4F 5 1 T 7 0x3 T T 2 30 6 00 FD FD 0 38 4 1 0 20 20 20 20 0 20 FC 2 0x06 4 20 20 4 20 20 FF 0 7 0 20 20 20 20 20 20 20 20 20 20 00 week sum Adjustable Data Screen size Color Characteristics 3 1 3 HDMI EDID Data 1 All models Product ID 22986 HEXA 59CA 1288 2568 Summary 0x00 2 oxo4 foxos foxos 08 0 09 oxoc oxor rr o ox 17 0 s pe 2 75 5 4 0 27 0 2 2
22. V freq Hz Pixel clock MHz 1 720 480 15 730 59 940 13 500 SDTV DVD 4801 5251 2 720 480 15 750 60 000 13 514 SDTV DVD 4801 5251 3 720 576 15 625 50 000 13 500 SDTV 5761 6251 50Hz 4 720 480 31 470 59 940 27 000 SDTV 480P 5 720 480 31 500 60 000 27 027 SDTV 480P 6 720 576 31 250 50 000 27 000 SDTV 576P 50Hz ts 1280 720 44 960 59 940 74 176 HDTV 720P 8 1280 720 45 000 60 000 74 250 HDTV 720P 9 1280 720 37 500 50 000 74 250 HDTV 720P 50Hz 10 1920 1080 33 720 59 940 74 176 HDTV 10801 1920 1080 33 750 60 000 74 250 HDTV 10801 12 1920 1080 28 125 50 000 74 250 HDTV 10801 50Hz 13 1920 1080 56 250 50 000 148 500 HDTV 1080P 14 1920 1080 67 432 59 940 148 350 HDTV 1080P 15 1920 1080 67 500 60 000 148 500 HDTV 1080P Copyright 2013 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application Range This document is applied to LD31P chassis LED TV which is manufactured in TV or Monitor Factory or is produced on the basis of this data 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing 2 Power adjustment Free Voltage 3 Magnetic Field Condition Nil 4 Input signal Unit Product Specification Standard 5 Reserve after operation Above 5 Minutes Heat Run Temperature at 25 5 Re
23. 2uP E B7 LVA3P n RUS 049 parois a Ras 521049 2023 120917 TUNER RESET XES 1052 Added MODEL_opt_o ae 1053 1054 MODEL_opT_1 1 1055 l E um es me md ABl m CKMO GP1056 L DAMO GP1057 T MODEL_oPT_2 nar 621076 SERIAL FLASH MEMORY DEMOD_RESET 1077 V_Norma1 S_FLASH_MAIN_WINBOND quud R 5 s NVRAM_ST NVRAM_RENESAS IC100 gt IC103 1 IC103 2 W25Q80BVSSIG VBAN M24256 BRMN6TP 56BSAS md ULL C114 S FLASH MAIN MACRONIX c 2 1 E LVACLKP 0 1uF AD24 R159 22 IC100 1 vos ORTI MX25L8006EM21 12G wi 10K DO IO1 zx 560 es v 2 102 023 FLASH SPI SCK T24 BOLD 123 gt 82 RE gt sD1 EAN61548301 EAN62389501 e 51 5100 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EAX65303801 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics ELECTRONICS BLOCK gt Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL OPTION M
24. 768 60Hz 5 HDMI PC 1366 x 768 60Hz 6 PC Audio In Display and Sound check is executed by Remote control Caution Not to push the INSTOP key after completion if the function inspection 3 3 Cl key writing process Device CN 3 3 1 Communication Port Connection Personal Computer PCBA USB Port USB to Serial Adapter RS 232C Cable PC RS 232C Port UC 232A Connection PCBA USB Port USB to Serial Adapter UC 232A RS 232C cable PC RS 232C port Caution LD31Q LD31A chassis support only UC 232A driver only use this one 3 3 2 CI Key Download 1 Set Cl Key path Directory at Start Mac amp Cl Download Programme Set COM 1 2 3 4 115200 Baudrate 1 2 Click port connection button 1 Start Key Download Push the button 4 2 3 4 5 Check OK or NG 2 1 091201 Key download Down Load Setting Select Scanner Port Baudrate Port Connection 71 115200 X Scanner Setting Port Baudrate Port Connection COM3 14400 x L MAC Address Setting PCBA ID Start MAC Address VIE quet ges a gus Key SEND SAVE Key Only End MAC Address p Return Message MAC Address Message 6 After completing download Cl key values are increase by one automatically To write Cl key next SET click Cl key writing button 5 di
25. B MA13 lt I B MA14 lt B MRASB lt B MCASB lt B MWEB C B MRESE CI B MDOSL lt B MDOSL lt I B MDQSU lt lt B MDML lt B MDMU lt I B MDQLO lt B MDQL1 lt B MDOL2 lt B MDQL4 lt B MDOLS lt B MDQL6 lt B MDQL7 lt I B MDQU0 lt B MDQU1 lt B MDQU2 lt B MDQU3 lt B MDQU4 lt B MDQU5 lt B MDQU6 lt B MDQU7 Mas lt lt B MA10 C B MA11 Mg B MVREFCA VREFDQ lt B MVREFDO B MA12 C B MA13 lt B MBA2 lt 2 E 5 VbDQ 7 7 B MDQSLB lt B B MDQSU B MDQSUB lt B B MDML lt B MDMU lt 1 8 MbQLi B MDQU1 8 MbQU3 B MDQU4 7 4 CI 2G 1600 DDR 2G 1600 HYNIX ELECTRONICS EAX65303801 MODEL T DATE BLOCK T ses LGE Internal Use Only CI Region e CM ADDR 10 ADDR 11 ADDR 9 RIS DDR 13 _ADDRI14 CLOSE TO MSTAR 5 SLOT ido dos is T diis 138 v Ss mee sig CLOSE TO MSTAR
26. 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 safety precautions on page 3 of this publication always follow the safety precau tions 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 module 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 Th
27. 1125 J a z4 m 10v DEL EAEG 1oK gt 22K rib x GND B POWER E 1121515 5 4 MMBT3904 NXP 103225 L 701 3216 T5 Z PANEL_CTL 3904 NXP 1 8v_TONER 19V TO 5V DCDC CONVERTER MULTI ON 1 R802 4 1 1A POWER ON OFFl 4 j gt 54428601 1 3 3v 3 3V TO 1 23V LDO 50K 180 5 08 5V_Norma gpg T 150K gt 180K SV Normal 1 H W Option FULL NIM 1c800 1 801 3 3V_TUNER 2 147287 c TJ4220GDP ADJ EP GND E R884 r5 1 23V_TUNER 180K s JD DORER AES sca 1 E EN2 _ ADa sENSE 11 11 14 d p o E 76 6 1000nr gt 50 xd zm 1423901 2000hz i vena E 2 13 03 0 em 2d ES EABA2868301 32 33K 18 nea c2 RL EAE610 01 32 T 11 11 07 12K 1 a p 95 8845 zov 700 1101114 F 4700pF 10K gt 8 2K Sopr 233opr L Vo 0 8 1 R2 R1 12V TO 1 15V DCDC CONVERTER 1 Core 19V TO 12V DCDC CONVERTER 7 12 PANEL 1806 y f MP1472G3 C452 2 d 3 4 gt RE EAEG108 25 gt REGIOS 20 ee EAE52158501 10V 1865 c Tour BS 5124 1000n2 20002 R893 aK t 3 E gt Zar 2 EI 50 gt 3 Bk gt 1 8 2 25 3 do us
28. 13 1K 10W gt 4 7K 10W 111116 100uF Te C607 E Mig Deletion 0 1uF 10u 1000 49 49 B um 8362801 p pu 50V 2 E x l 1 2012 04 13 E 10uF 10V gt 10uF 25V e EAX65303801 BLOCK SHEET LGE Internal Use Only AUDIO AMP AGND_PLL VDD_PLL EP GND PGND1A PVDD1A PVDD1B DGND_PLL NTP7513 Ox54 Headphone block MONITOR_2 PGND2B PVDD2B PVDD2A OUT1B D706 1N4148W 100 707 1N4148 1700 Coil TAIYO Coil TAIYO 1 TAIYO PGND1B BST1B VDR1 ViECS AGND VDR2 BST2A PGND2A OUT2A R727 5 1K R728 5 1K 121118 OPTION added for LN4500 LN4500 Q701 LN4500 904 NXP RET T3904 NXP THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATE LN4500 LN4500 704 MMBT3904 NXP o R711 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIA
29. 303801 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION 142 227 SECRET Ls ELECTRONICS MODEL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics ME Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes DVB S2 LNB Part Allegro 12V_LNB D2705 1 20 LNB_SX34 SMBB305 40V LNB SMAB34 close to Boost pin 1 o o o NS aoa D2702 R2706 MBR230LSFT1G close to TUNER THERMAL LNB_OUT C 1 D2704 3A IC2701 h8303SESTR T LNB SMAB34 ISET C2714 C2701 C2702 40V a Input trace widths should be sized to conduct at least 3A Ouput trace widths should be sized to conduct at least 2A 1 10uF 3 C2705 25V 10uF 25 25v 8 GND 18pF 18pF 33pF TCAP D2704 1 N a ue 40V Close to Tuner a d Surge protectioin 5 o ol m 2 a Caution need isolated GND R2701 0 lt x a n m a a a 3 I m A_GND 1 12V_Normal 12V_LNB A L2701 BLM18PG121SN1D
30. 48A 0ISTLPHO48A gt 01 0742440 HOST I F nanoen 121022 BufferIC change 3 3V_Normal AR1915 33 01107424406 Cc 71 C ecu AL6 PCM ALS CI PCM_A 4 CI ADDR 11 CI ADDR 12 CI ADDR 13 CI ADDR 14 REG MODEL DATE JI CI ADDR 3 EAX65303801 201 1 14 BLOCK SHEET LGE Internal Use Only NETCAST4 0 EU amp CHUNA TUNER BLOCK R2628 1 ee Ty SES TS VAL ERR TU 1 2 TUNER_T C_H NIM TU2603 TU2602 TU2601 TDSS G501D B TDSOQ G601D TDSQ G501D B _ DO lt TUNER RESET s being applied to the 1 china den has to be deleted in b M WUNER_T C S2_F NIM NC 1 NC 1 NC 1 R2607 e RESET RESET RESET SCL SCL SCL SDA SDA SDA 3 3V B1 3 3V B1 3 3V bd bd NC
31. 6 Updating Completed The Multi vision will restart automatically 7 If your TV is turned on check your updated version and Tool option explain the Tool option next stage f downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust TOOL OPTION again 1 Push ADJ key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number 4 Completed selecting Tool option LGE Internal Use Only 3 1 EDID Process 3 1 1 EDID download 1 Press Power only key of service remote control Press the ADJ KEY on R C and enter EZ ADJUST Enter EDID D L mode by pushing gt key at 11 EDID D L EDID download is executed automatically Press EXIT key on service remote control EZ ADJUST 0 Tool Option 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option5 5 Tool 6 Country Group 1 2 3 4 5 p EDID D L HDMI RGB 7 Area Option 8 ADC Calibration 9 White Balance 10 10 Point WB 11 Test Pattern 14 Touch Sensitivity Setting 15 Ext Input Adjust 16 SPK Lipsync Adjust 17 SPDIF Lipsync Adjust Caution Never connect HDMI amp D sub Cable when download EDID Download HDMI Edid data and Model option download
32. EMORY OPTION es St ES eg Oe MeN cin ee aA he ee GINIM AUOUTR2 O SCARTI Reut 109 L ND GND 110 R2 05 3 MODEL 0 Model Model 1 15V_VDDC 43 3V 3 3V Normal 2 5V_Normal FHD Memory Note 41 15 VDDC AC S z EX SET E E i 2 5 E IMODEL 1 NON AJ AJ VDDC 2026 1 x 5 2 5 ES 5 MODEL OPT 2 NON DVB T2 DVB T2 128 9 9 E M 7 MODEL OPT 3 NON M120 M120 128M 128M ES ES ES E MODEL 4 MIUO 128M MIUO 256M 256M af 8 2 1 120915 MODEL_OPT_5 NON DVB S DURS Sf Sf 8 MODEL OPT 0 256M 128M x03 MODEL OPT 1 MODEL 6 1 DDR MIU1 128M OPT MODEL 1 Stream is on y Korea spec MODEL MODEL_OPT_7 NON_DualStream DualStream MODEL MODEL MODEL
33. I2 Port only 1 Insert HDMI cable for MHL function JIG connected to port of the SET 2 Check that LED of JIG is green light and check that set screen is correctly worked 3 If NG situation or other HDMI jack connection LED of JIG is red light and screen is not displayed Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 4 White balance adjustment Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remote control RGB Gains are fixed data for each model Insert RS 232C Jack which is connected with PC for White Balance or equivalent device Total Assembly line should be check whether the color coordinate x y data refer to below table were meet or not Cool Panel X 0 276 0 03 Cool 13 000 v 0 275 40 03 lt Test Signal gt Medium 9 300 0 290 86003 inner pattern Temperature Y 0 298 0 03 204gray 80IRE X 0 318 0 03 Warm 6500 K 0 334 40 03 80 110 lt Test Signal gt aa Medium Min 80 110 Inner pattern Warm 70 110 204gray 80IRE 13 Note X y coordinates are drifted about 0 007 after 30 mins heat run So checking color coordinate within 5 min at total assembly line consider x y coordinates might be up to 0 007 than x y ta
34. M se 59 L 3 2K Ne Ag Si 3 3V TO 1 5V 10807 19 12 DCDC CONVERTER TJ4220GDP ADJ EP GND i A _ exo UN HUN Normal 1 ES ou POWER EM _ apa seNnse 1 5 E 501 10 OUT a849 Not used SEAE61081701 25V only for small ready _2 4 5 Quer zn 7 Sus 120915 MHL_CD_SENSE EMT 19V TO 5 DCDC FOR MHL sov 12 kno Ep OPTION 5 FOR MHL ONLY n T 1 0 047 gt 0 033 um ies A03407A Vgs 10 8V 24V input Control A03407A Vas 10 36V 19V input 12 03 08 pus 121118 EAE61081701 25V gt 197 EAE52158501 10V 12 03 08 EAE42868301 3225 gt 1701 3216 Ness esse L HMBT3904 Nxe 9 01 PES 11 11 14 Tsov R897 s p 1 2388 1 150pF gt 330pF THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS
35. MPORTANT FOR PROTECTION FROM X RADIATION ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CAL COMPONENTS IN THE Copyright 2013 LG Electronics Inc All rights reserved Only for traini ng and service purposes SYMBOL MARK OF THE SCHEMETIC HDMI 2 5V Normal MMBD6100 D502 852158522 LL 121118 Change 47Kohm gt 2 7Kohm 1 SDA 2 10K MHL_OCP_DET 114500 4500 R525 0 LN4500 IC500 BD82020FVJ 3 3 Normal 3 3 Normal ELECTRONICS OCP EN 950 Active High EAX65303801 MODEL T es DATE BLOCK SHEET LGE Internal Use Only and control R616 3 3K KEY2 C KEY1 lt KEY SCL KEY SDA 3 3V ST R604 270 re il 1 10W i ioW Amber LED Non M73 5 9mA Red LED M73 4 8mA R614 1600 18 01215 10 6600 TS R617 3 3K 100 JP 601 3 3V ST P600 12507WR 12L R615 100 LED RED R602 LED AMBER Q601 MMBT3904 NXP JP 604 121118 R604 R610 2012 gt 1608 zs JP607 JP606 JP608 JP IR Por
36. North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED TV CHASSIS LD31P MODEL 28LN45 281 45 2 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67651313 1306 00 Printed in Korea CONTENTS 2 SAFETY PREGAUTIONS 3 SERVICING PRECAUTIONS 4 Hume nn 6 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 15 BLOCK DIAGRAM MEU 19 EXPLODED VIEW ees 20 SCHEMATIC CIRCUIT DIAGRAM 4 Copyright 2013 LG Electronics Inc All rights reserved 2 LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent 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
37. SCART1 2858 R2841 1 gt Se 10K R2842 RDICONTACT_1 122815 oy ues Tid m X m 1 1 e COMP DET er Se 2 IN CLOSE TO MSTAR NCC tds WH O SPRING JP2812 1 CLOSE MSTAR RD CONTACT_2 1 3281 1 M i S 4 121229 121015 1 322 T se 2 21 LEE C pe a pas ne yeas pote Me NS Ah E ty ae gee oe 121118 d s SCART AUDIO MUTE 3 I 3 R2844 4 7KS R2810 e es 221 SCARTI DET D2810 62812 T te 20V 2 au 1 1 R2809 canis TU AY d 0 1uF 1 Sci DTV MNT VOUT 1 T P Css MUTE 1 czars 2 ae l c1 cvBs IN 4 cerieu_scarr mute i R2807 5 m e ewe wee a a 4m R2816 cru 5 ry R2815 121219 4 gt 2 sci E R2811 12 75 zs OPT SCART A FILTER SC1 R 120927 OPT APPLY R2802
38. TION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes SYMBOL MARK OF THE SCHEMETIC ELECTRONICS Pop up noise killer out SCART MUTE BLOCK WAFER ANGLE EAX65303801 MODEL T DATE BLOCK Fooro amp SHEET LGE Internal Use Only R801 1 Ok 11 10 27 111116 3 3 at PANEL POWER CONTROL 2803 8 E 12V_PANEL POWER EP GND e E Em l d ere Normal ME _ R875 ast Je 08 4 3 111116 10K gt 22K a POWER gt 100 opt VOLT ie 10 27 5 vou OHr gt 2000Hr N Y FREC COMP 11 1 4 7uF 1
39. _D_2 BINOP AVDD_DDR1_D_3 R233 68 0 047uF C245 2 2uF E TID BINOM 2 AVDD GN ook Sue fe 18 101 2552 X 2552002 z E 1 SS S A E Ld 18 E UA UTE Um UT Tm GND_EFUSE GND 103 en TETTI m eu 720510 ae 6 CO scarti rout gt M RINIM A gt AVDD5V_MHL AVDD DDRISSSmA GINIP cero eM 14 GP1020 5 5 EN N GND_108 BINIP 151 6 021 R1 ia bo Normal 2 5V HSYNC2 R237 33 0 RIN2P 68 0 RIN2M x 3 5 53 SE ADS 2 5V AVDD3P5 COMP_Y gt had GIN2P AUVRM 240 68 0 55 GIN2M R272 AVDD2P5 172mA 33 0 AES BIN2P AU 1 5 br br EA 144500 SE C269 270 c271 c CED TAR awe gt ue LouT a 10uF em0 1uF 0 1 0 GND_123 LN 4500 20204 gt RoUT Sen T R244 c225 1 5 68 R245 C226 C227 11112 Zener Ad R246 EPHY_RP AVDD25 TP GPIO6D EPHY TP SOC_RESET 3 3V_ST RN GPIO66 EPHY_RN LED1 GPIO59 DTV MNT_VOUT TN GPIO62 EPHY TN 68 E255 0503248 1 Deletion GPI061 R264 GPI064 52 LAN JACK GPIO65 111026Switch 1 mz
40. amage Check I2C Signal JK501 15 16 Re download EDID data Check HDCP Key IC 101 Replace Scaler IC 101 7 No Audio Make sure you can t hear any audio and Device support the audio signal normally Check Speaker and N its wire connection P700 Replace connector or Speaker andthe resistance 1 Check C820 Voltage Level 19V 2 Check Audio Amp IC700 Power 19V 3 3V Replace IC809 3 3V or Adapter Check Signal from 1 700 L700 L701 L706 L709 700 Check Signal from IC 101 N SDA SCL Replace IC101 R703 R214 R707 R213 Copyright 2013 LG Electronics Inc All rights reserved 18 Only for training and service purposes LGE Internal Use Only BLOCK DIAGRAM 404 4 asn 1804 Ajuo uondo WINIIN4 31099 1 1 9451 ozez su SLOSH SSGL OSLV 1 WINJIEH GLOSD SSGL O L SAG Mins 1 ae 1N3NOdWOO CRP ET ANOS OZI INGH 7 d 1 1 1 i 89M i 1 1 1 bivivapsi 3A ac ONAS SL 34 opa WASL 34 Jung 5 L1 LIN 42 1 159125 194 ONAS 10 1043 VIA 191 19 19 Q3 M TaS zLo sseppv ZL olssesnpy d
41. and service purposes LGE Internal Use Only 5 Timing 5 1 RGB HDMI PC Kio Specification Resolution H freq kHz V freq Hz Pixel clock MHz 1 720 400 31 468 70 080 28 321 2 640 480 31 469 59 940 25 175 3 640 480 37 500 75 000 31 500 4 800 600 37 879 60 317 40 000 5 800 600 46 875 75 000 49 500 6 1024 768 48 363 60 004 65 000 T 1024 768 60 023 75 029 78 750 8 1280 800 49 702 59 810 83 500 9 1366 768 47 717 59 79 85 5 5 2 HDMI DTV Specification No Remark Resolution H freq kHz V freq Hz Pixel clock MHz 31 469 59 940 27 000 1 10480 31 5000 60 000 27 030 Seon 720 576 31 250 50 000 27 864 SDTV 576P 1280 720 37 500 50 000 74 250 HDTV 720P x 44 960 59 940 74 170 4 1280 720 45 000 60 000 74 250 HDTV 720P 33 720 59 940 74 170 5 1920 1080 33 750 60 000 74 250 HDTV 10801 6 1920 1080 28 125 50 000 74 250 HDTV 10801 7 1920 1080 27 000 24 000 74 250 HDTV 1080P 8 1920 1080 33 750 30 000 74 250 HDTV 1080P 9 1920 1080 56 250 50 000 148 500 HDTV 1080P x 67 430 59 940 148 350 10 1920 1080 67 500 60 000 148 500 HDTV 1080P Copyright 2013 LG Electronics Inc All rights reserved 8 LGE Internal Use Only Only for training and service purposes 5 3 Component No Specification Remak Resolution H freq kHz
42. eceiver must be operated for about 5 minutes prior to the adjustment 4 Model General Specification 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification CE IEC No Item Specification Remarks 1 Market EU CIS PAL Market 37 Countries DTV amp Analog Total 37 countries DTV MPEG2 4 DVB T 37 countries UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portu gal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia SlovakiaBosnia Serbia Albania Kazakhstan Belarus 4 Country Nordic option EU model only Denmark Finland Norway Sweden DTV MPEG2 4 DVB T2 8 countries UK Denmark Sweden Finland Norway lreland Ukraine Kaza khstan DTV MPEG2 4 DVB C 37 countries UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hun gary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB S 29 countries Italy Germany France Spain Netherlands Belgium Luxemburg Greece Czech Austria Hungary Swiss Croatia Turkey Slov enia Poland Portugal Morocco Latvia Estonia Lithuania Ruma nia Bulgaria Russia SlovakiaBosn
43. eck Model Number D L 2 ADC Data T 1 3 Power Off Status 0 Model Nam 4 System 1 1 Serial Num SKJY1107 5 System 7 Test Option Press OK to Save 8 External ADC Spectrum 10 Syne Level 11 Count 12 00 Test UTT 6 APP History Ver 638 POL DB 160 _LGT10_x000x 4 Check the model name Instart menu Factory name displayed ex 24LN4500 5 Check the Diagnostics DTV country only Buyer model displayed ex 24LN4500 12 LGE Internal Use Only 4 3 Function Check 4 3 1 Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV SCART CVBS 3 COMPONENT 480i 4 RGB PC 1366 x 768 60Hz 5 HDMI PC 1366 x 768 60Hz 6 PC Audio In Display and Sound check is executed by Remote control Caution Not to push the INSTOP KEY after completion if the function inspection 4 3 2 PCMCIA CARD Check You must adjust DTV 29 Channel and insert PCMCIA CARD to socket If PCMCIA CARD works normally video signals will appear on screen But it works abnormally No CA module will appear on screen Caution Set up RF mode before launching products 4 3 3 PIP Check 1 Press Power on key of service remote control 2 Input RGB amp TV ATV or DTV signal 3 Set Input mode to RGB 4 Press PIP key of ADJ remote control 5 3 5 Check TV Video amp Audio signal of Sub picture 4 3 4 HDMI MHL Function Inspection HDM
44. emain ing 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 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 ri
45. es y e N2M i av 52524 AUVRE SOGIN2 AAG H P OUT LEDO GPIO58 94 R308 0 1uF LAN JACK SOC RESET i 2200 685 IRIN GPIC MMBD6100 201 2D206 3 0 1uF 3 3 T6 _ 21 0 6231 gluF 1 A2 NS OPT oF HWRESET SB MUTE e ee THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES BAX6E5303801 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics EECTRONTES BLOCK SHEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes DSUB RGB 3 3V 8T 5 Normal PM 2 818 VSYNC 2 E18 DSUB HSYNC 1401 BLM15BD121SN1 DSUB_DET DSUB_B on b Ces ie Fe 2400 0 1407 75 R27 0 904 NXP 1402 m UB TIS 11026 an be deleted P4 a vr E ve ls ey 5508 11 10 31 To Improve
46. ghts 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 component 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 when ever 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 con
47. ia Serbia Albania Belarus Supported satellite 22 satellites HISPASAT 1C 1D ATLANTIC BIRD 2 NILESAT 101 102 ATLANTIC BIRD 3 AMOS 2 3 THOR 5 6 IRIUS 4 EUTEL SAT W3A EUROBIRD 9A EUTELSAT W2A HOTBIRD 6 8 9 EUTELSAT SESAT ASTRA 1L H M KR ASTRA 3A 3B BADR 4 6 ASTRA 2D EUROBIRD 3 EUTELSAT W7 HELLASSAT 2 EXPRESS AM1 TURKSAT 2A 3A INTERSAT10 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 6 LGE Internal Use Only No Item Specification Remarks Analogue TV EOM Analogue TV RF VHF E2 to E12 UHF E21 to E69 3 CATV S1 to S20 HYPER S21 to S47 SEM Digital TV VHF UHF 2 Broadcasting system 6 SECAM L L Satellite TV VHF UHF Digital TV C Band Ku Band DVB T2 2 model only support Satellite Digital TV DVB S S2 Satellite model only support 1 DVB T C S S2 gt DVB T Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 gt DVB T2 Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 3 Receiving system Analog Upper Heterodyne 16 QAM 1 2 2 5 2 3 3 4 5 6 Digital COFDM QAM 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 gt DVB C Symbo
48. inite 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 purposes 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 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 0 15 uF exposed METALLIC PARTS a 1 5 Kohm 10W When 25A 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
49. is 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 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 discharg
50. lative humidity 65 10 96 Input voltage 110 240 V 50 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig equipment Service remote control 7 Push The IN STOP KEY For memory initialization 1 Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on If you push Power on key TV set will recover channel information by itself 3 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insult executing APC Boot file 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 Device Setting Iv Use USB Please Check the Speed Use the speed under 200KHz rase Pin Definitior Communication Setting Speed 74 E Ain sein SDAout SCL out
51. lrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM gt DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45 Msymbol s DVB S QPSK 2 45 Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 4 Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog 5 Component Input EA Y Pb Pr 4 System Rear PAL SECAM NTSC PAL60 B PR SECAM NTSC CVBS Video is used by common port with Component 7 RGB Input RGB PC Analog D SUB 15PIN Rear1EA HDMI version 1 4 support PC E HDMIInput EA KONU Support HDCP HDMI MHL Support RGB DVI Audio 9 Audio Input 3EA Component amp CVBS L R Input TM SCART CVBS Audio input is used by common port with Component 10 Headphone out 1EA Antenna AV Component RGB HDMI Side 1EA 11 USB 1 Picture Music Movie SVC Software Update Picture Music Movie CI UK Finland Denmark Norway Sweden Russia Spain DVB T Ireland Luxemburg Belgium Netherland Cl France Canal Italy DGTVi 12 DVB CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise DVB S Cl Germany Astra HD 13 Local Key Touch v SETTINGS INPUT 14 LAN JACK Modular Only UK model Copyright 2013 LG Electronics Inc All rights reserved Only for training
52. nections 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 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 5 LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range This specification is applied to the LED TV used LD31P chassis 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 5 C 77 F 9 F CST 40 C 5 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products 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 r
53. 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 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 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be inf
54. odel name amp SW version Adjust check Press the Instart key of ADJ remote control 4 6 1 Model Name amp SW Version Check 1 Check Model Name 2 Check S W Version Refer to the IC Ver in the BOM 4 6 2 Adjust Check 1 Check Country Group 2 Check Area Option 3 Check Tool Option Refer to the BOM Comments 4 Check Adjust ADC Comp amp RGB is OK 5 Check EDID RGB amp HDMI is After check all Press the EXIT key of ADJ remote control to go out SVC menu IN START Adjust Check 2 ADC Data Press OK to Save H T Status Country Group Code 5 System 2 tall Group 6 Model Number D L ountry mt 7 Test Option 8 External ADC 9 pee Spectrum tion 10 Sync Level 001 Option2 11 Stable Count i 12 ODC Test Tool Option4 13 Access Code Tool Option 14 Channels Found Ti E d istory Ver mponent POL DB IPS_EF_LGT10 200023 RGB RGB OK 0x9E woes OK 0xB7 0xE6 4 7 Outgoing condition Configuration After all function test press IN STOP key by SVC Remote control And make Outgoing Condition Copyright 2013 LG Electronics Inc All rights reserved 44 Only for training and service purposes LGE Internal Use Only TROUBLE SHOOTING 1 No Power Check C820 All Check Power connector Replace Adapter Voltage Level 19V OK 4Y Check IC8090utput Voltage Le
55. 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 or 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 r
56. rectly 7 Check whether the key was downloaded or not at In Start menu Refer to below LGE Internal Use Only IN START Cite Adjust Check Data Press OK to Save 1 ron m Status Country Group Code id 2 Country Group 6 Model Number D L Country 7 Test Option 8 External ADC 9 Spread Spectrum Tool Option 10 Sync Level Tool Option2 11 Stable Count Tool Option3 12 ODC Test Tool Option4 13 Channels Found Tool Option5 480i Component 1080p Component RGB APP History Ver 1060 POL DB LGD CF LGT10 RGB NG 0x0 HDMIT NG O85 NG MxF gt Check the Download to Cl Key value in LG set 1 Check the method of Cl Key value 1 Check the method on Instart menu 2 Check the method of RS232C Command a Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 A A 0 0 b Check the key download for transmitted command RS232 ci 00 10 CMD 1 CMD 2 Data 0 C 1 0 Result value Normally status for download OKx Abnormally status for download NGx 2 Check the method of Cl key value RS232 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 A A 0 0 2 Check the mothed of Cl key by command RS232 ci 00 20 CMD 1 CMD 2 Data 0 C 2 0 3 Result value 101 OK 1d1852d21c1ed5dcx Key Value Copyright
57. rget of each color temperature Note Manual W B process using adjusts Remote control 1 After enter Service Mode by pushing ADJ key 2 Enter White Balance by pushing gt key at White Balance EZ ADJUST 0 Tool Optiont 1 Tool 2 2 Tool Option3 3 Tool Option4 4 Tool 5 5 Tool 6 Country Group Whit Balance Color Temp R Gain 100 G Gain 104 B Gain 192 R Cut 64 G Cut 64 B Cut 64 Test Pattern ON Backlight Reset 7 Area Option 8 ADC Calibration 10 10 Point WB 11 Test Pattern 12 EDID D L 13 Sub B C 14 Touch Sensitivity Setting 15 Ext Input Adjust 16 SPK Lipsync Adjust 17 SPDIF Lipsync Adjust When doing Adjustment Please make circumstance as below CA 210 or Equivalent Optical Stage x y LCD Module LGE Internal Use Only 4 5 DPM Operation check m Measurement Condition 100 240V 50 60Hz 1 Set Input to RGB PC and connect D sub cable to set RGB Mode Set Input to HDMI with Input Label set to PC and connect HDMI cable to set HDMI Mode 2 Cut off H sync or V sync of signal 3 Check DPM operation refer to the below table Operating Condition Sync H V Video LED SET Wattage W Sleep mode Power S W On RGB HDMI Off Off Off Amber 1 HDMI DPM Operating condition Input Label HDMI PC amp DVI Mode MHL Cable HDMI amp HDMI to DVI Cable DPM x 4 6 M
58. t protection against ESD 5 9600 121018 R630 MMBT3904 NXP RCO 100ohm 200onm _ 200 5 5 co ST gt gt 5 5 e 2 611 o N N gt gt gt 8 tu L 2 S E O l S8 comm 0 De qr cu L T 827 5 4 d 2 a era g B a e e e e e 12 07 17 Change D601 3 IR OUT Ready 0602 904 OU E 4 1000pF QUT R621 3 3V_ST A ORT IR_OUT R619 10K OPT 3 R618 R620 22 0 IR our lt OPT OU c OPT OUT R623 0603 B 47K 4 MMBT3904 NXP OPT IR OUT IR OPT IR OU E THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC WHEN SERVICING IF IS Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics ELECTRONICS Module PIN22 F 12V PANEL POWER RXA3 P601 10031HR 30 RXA3 gt RXACK RXACK RXA2 RXA2 RXA1 RXA1 RXAO RXAO 7v vesa 73 R629 2012 04
59. ud piz oludav io 315 IsWoleWazuaa swolewazuaa wor 1o ayo 19 12 10 9 io VIS 3 TosWwoudaa ZHINOO8 LGE Internal Use Only 19 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW 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 Copyright 2013 LG Electronics Inc All rights reserved 20 LGE Internal Use Only Only for training and service purposes NAND FLASH MEMORY CHIP Config LED_R BUZZ gt
60. vel 3 3V_ST Replace 6809 Check IC802 output N Replace IC802 amp Voltage Level 12V Recheck VY Check IC806 Output N Replace 1 806 amp Voltage Level 1 15V Recheck VY Check IC810 Output N Replace 1 810 amp Voltage Level 2 5V Recheck VY Check 1C807 Output N Replace 1 807 amp Voltage Level 1 5V Recheck 4Y Check X201 Clock N Replace X201 24MHz 4Y Replace IC100 Flash Memory Copyright 2013 LG Electronics Inc All rights reserved 15 LGE Internal Use Only Only for training and service purposes 2 No Picture Module N Check WLED_ENABLE high N Check IC101 Back Light On R131 Replace Main Scaler IC Y N Check LED Driver IC1101 Replace LED Driver IC Check LED Driver output P1101 1 2 3 4 5 Check Panel power N 601 27 28 29 30 12V Replace 1 802 1C802 Output 12V IY Check Panel clock Check IC101 P601 9 10 Repair Main B D Check FFC Cable for damage or open conductors Replace Cable 4Y Replace T con Board or module 3 No Video Digital TV Check RF Cable rd 1 Check Tuner TU2602 5 Power 3 3V 2 Check IC803 Output voltage 3 3V Replace IC803 1 Check Tuner TU2602 7 Power 1 8 H Replace IC805 2 Check 805 Output voltage 1 8V a Check Tuner TU2602 I2C Signal y Check C101 SCL R2609 SDA R2610 Check 02602 Data CLK SYN VAL
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