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LG Electronics 26LH1DC5 Flat Panel Television User Manual

1. es ee d SS Se ve x x x x x x M DEI Ol 0 B3 N 1 10V_VDDC VDDC 1 05 wv 41 10V_VDDC Z EI FHD HD 5 E S P 9 VDDC 2026mA O mue J 2 al 25 2 amp MODEL OPI PHM OFF PHM Oli N N c i 2 3 MODEL 2 AB2 NON DVB 2 T2 1 1 E sT sT 1 sT 1 Al sT 1 1 n MODEL 3 T25 NON_3D
2. Stand Base Body CO CO CO CO O EEE Copyright 2012 LG Electronics Inc All rights reserved 21 Internal Use Only Only for training and service purposes NAND FLASH MEMORY 3 3V_Normal IC10 2 NANDOIGWS3B2CN6E 3 3V Normal NCI NC_29 FLASH NUMONYX NC_2 EAN60762401 NC_28 NC 3 NC 27 A 0 7 NC 4 26 M NC 5 1 O7 PCM_A 7 NC_6 1 06 D RB 1 05 F RB R 1 04 PF_OE NC 25 e NC 7 NC 24 x C102 E NC 8 NC 23 10uF 5 C101 O luF VDD 1 VDD 2 el 3 3V_Normal VSS 1 VSS 2 C103 A E e R105 NC_9 NC_22 1E NC 10 NC 21 OPT CL NC 20 3 CEI e Fox AL 1 03 PCM A 3 Oy Ww 1 02 PF_WE WP 1 1 NC 11 I OO Q101 x NC_12 NC_19 PF WP KRCIO3S ze a OPT NC_13 NC_18 gt NC 14 NC 17
3. Option name of this page because of Hong Kong SLOT CI SLOT p f Se SSS SS SS SS eS SS SS Se eS 45V CI ON DATA O0 7 CI TS INPUT 43 R1905 FE TS DATA 7 45V Normal MDI 7 lt _1 FE TS DATAI6 10uF 5 CI_MDI 6 lt FE TS DATA S m 10V 5 CI_MDI 5 lt _1 FE_TS_DATAI4 5 x SLOT CI 1 EAG41860101 U 3 FE TS CDI 4 j e P1902 MDII3 amp 1 FE TS 10067972 050LF CI MDI 2 lt 1 75 EE oe 1 lt 1 FE TS DATA O CI MDI 0 lt 1 61908 100 2 DATA 3 CILDATAI4 3 AR1901 5 FE TS 7 CL_TS_DATAI4K 4
4. e 502 3 7 BLM18PG121SN1D 24V_AMP AUD_MASTER_CLK eee S NIH 519 1 521 p A 0 01uF lt 0 1uF 0 1uF 10uF C514 515 H 50V 1OuE ZG lt vs ede a 50 50 35V L501 0 1uF rev Xs Ole 5 5 6 MLB 201209 0120P N2 16V _ Gc ES Y Y H D501 zii e m Un 1N4148W R508 R515 Y 12 12 co R516 NOISE IMPR NOISE IMPR La O AAA E Wr C501 502 C508 C510 C512 530 SOV 4 7K 0 uF 0 LUF LOF Tr RE 390 50V 50V 10V 10V 16V 30V n e hr x ae NV SPEAKER L 503 5 1 4 T o PLL f OUTIB 2 s Y pr ctum 50V 3 3K IN4148W R509 R513 i AVDD PLL 2 1 100 12 jo THERMAL SPKL DVDD PLL ff 3 ae PGNDIB 22000pF 50V m IC501 DGND_PLL 5 VDRI GND 1 500 VCC 5 I f6 NTP 7 L DGND 7 AGND DVDD 9 VDR2 SPK_R C528 C529 C534 SDATA 9 BST2A Z luF 1uF AUD IRCH 25V 25V 25V SPK_R WCK ff io PGND2A AUD LRCK 22000pF BCK 1 OUT2A 2 id 5 AUD SCK e AMP SDA R503 SDA 12 OUT2A_1 R504 100 SCL i m tow C509 oec oec cm 001 CI x EE A 2 ad e e e gt SPK Bi
5. 69 PWM4 GPIO70 PWM_PM GPIO199 SARO GPIO31 SAR1 GPIO32 SAR2 GPIO33 SAR3 GPIO34 SAR4 GPIO35 VSYNC_LIKE GPIO145 SPI1_CK GPIO201 SPI1_DI GPIO202 5 2 CK GPIO203 5 12 DI GPIO204 TSIDATA 0 GPIO88 TSIDATA_ 1 GPIO89 TSIDATA 2 GPIO90 TSIDATA_ 3 GPIO91 TSIDATA_ 4 GPIO92 TSIDATA_ 5 GPIO93 TSIDATA 6 GPIO94 81 7 GPIO95 AMP RESET AD16 15 14 14 AD12 AD13 AD14 S7LR_DIVX_MS10 5V DET HDMI 1 5V DET HDMI 2 5V DET HDMI 4 AN CVBS DET DSUB DET 5 DET EXT SPK DET RJP CTRL3 TUNER RESET MODEL O EXT PWR DET R171 22 MODEL 1 IC101 LGE2112 T8 GPIO36 GPIO37 GPIO38 GPIO39 GPIO40 GPIO41 GPIO42 GPIO45 GPIO46 GPIO49 GPIOSO 51 52 LVAOP LVAON LVAIP LVAIN LVA2P LVA2N LVA3P LVA3N LVA4P LVAAN LVBOP LVBON TS TS VAL ERR TS SYNC FE TS FE TS DATAT I FE TS DATA 2 FE TS DATA 3 FE TS FE TS DATA S FE TS DATA 6 FE TS DATA 7 FE TS DATA O 7 U04_LGE2111A W1 IC101 4 LGE2111A W1 MULTI GPIO36 GPIO37 GPIO38 GPIO39 GPIO40 GPIO41 GPIO42 GPIO45 GPIO46 GPIO49 5 GPIOS1 52 2 SCKMO GPIO53 I2C SDAMO GPIO54 GPIO73 GPIO74 LVAOP LVAON LVAIP
6. C Eispsed Time USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Seja Dis Con E act Utility A gt 22 B P V Restores i Use USB E2PROM Device Setting Pin Definition n x Communication Setting 1 Speed 74 14 gt EA C SDAout SCL out ji Roughly Speed 450 KHz ste PC TA ermal PIN PINIO Reverse High SPI Setting lt lt lt 21 Auto Detect USE SPI 7 pin 1 switch UART I2c z 99 Pull all Pin High gt Elapsed Time USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz to 400KHz 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility V4 3 7 GE Load Read Auto Source File ReConnect Blank Read File HDCP Key Checksum Key 1 Restore Data M Multi Flashes Flash 0 Flash 1 Flash 2 Flash_3 Program Verify Erase Device Exit ISP All Chip C File Area C Erase Area First KBytes up C Part
7. K North Latin America http aic lgservice com Y Europe Africa http eic lgservice com Asia Oceania http biz lgservice com 8 Life s Good LED LCD TV CHASSIS LD2AB MODEL 26LT360C 26LT360C ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67368104 1205 Printed in Korea 5 CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PREGAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLESHOOTING GUIDE lt 15 enu ANM CEN IU S RUNI NU HEN S DLE 20 VIEW e 21 SCHEMATIC CIRCUIT DIAGRAM Copyright 2012 LG Electronics Inc All rights reserved 122 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 A in the S
8. 9 _4 800 137879 45090 7 VESASVGA O _5 1024768 _ 48368 10000 650 VESAKGA O Oo 9 s n VESAGXGA 79 50 e0 VESAUXGA 1280 768 47 776 59 870 79 50 CVT WXGA 5 3 HDMI Input PC DTV x s seo 7959 omwen X EM s wem 60020 0 VESAGXGM O 7500 10 X NEN 3 mum 29 _ wm 4m s _ 4 Movie s 6 so s msa Copyright 2012 LG Electronics Inc All rights reserved B LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 4 Click Connect tab If Can t is displayed check connection between computer jig and set 1 Application Range This specification sheet is applied to all of the LCD TV with LD2AB chassis 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 Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operati
9. m CI ADDR I1 MCLKI 3 M ee ee x 2A3 PCM_A 2 z PCM_A 6 5 E 1Y3 i 5 gt CI ADDRI2 242 l PCM_A 3 PCM AI5 1Y4 CI DETECT ADDR A gt CI ADDR 3 4 2 1 PCM_A 4 3 3V_Normal 3 3V_CI 3 3V_CI 3 3V_CI A CI_SLOT_OR_GATE_NXP A 1 1901 TALVCIG32GW 1 1901 MP I BLMISPGI2ISNID E e 52 5 4 o i OPT 1907 C1901 C1902 GE DATA O0 33 PCM 01 l 1915 I DII O 1luF O 1uF 7 DET CL_DATAIZI i R1918 DI3 CD l _ 5 V DI5 CATAL PCMDI 2 i CI POWER ENABLE CONTROL i l PCM_D 0 7 I CI DATA 0 7 CI SLOT 5 CI ON 5V_Normal NS L1902 I dgio a CI ADDR S C 1 IPCM_A 8 are l CI_ADDR 9 lt PCM_A 9 s ADDR 10 C AL 10 5 51223 C1912 CI_ADDR 11 lt __ PCM_A 11 Doe 5 10K 6 1uF 1
10. OSEE ET MDIO GPIOG RSDS P OPT 1 GND_136 ET_COL LEDO GPIO55 SWITCH Sedo R298 m 1 10V_VDDC 0 c200 6 SI by 3 5 ee ee 4 7uF 24 R217 L228 N4 10V 0 AVDD_NODIE 7 362mA BLMISPGI21SNID IRIN GPIO4 IR e e 2 anco 76 8210 33 ca p0 0470F HDMI mee epe 5 8181 AVDD NODIE C4071 C4062 HWRESET SOC RESET L206 IOwF 0 1uF R200 or BLMISPGI2ISNID 62K 0 1u C286 252 O IuF 0 1uF THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES 50 DL SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET SECRET MODEL sess DA ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG THE CRITICAL COMPONENTS THE SYMBOL MARK OF THE SCHEMETIC GElectronics LI AIN2 HW Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 17504 L7504 1 CIS21J121 PWM_DIM cr luF 10V OPT JK400 JPDO03N M432 4F 24 SW 7502 O 1uF 50V 24W LED driver 3 9K PWM_PULL_DOWN SER Adapter MAG MLB 201209 0120P N2 24V 15V
11. R3760 0 AZ1117BH 1 8TRE1 2 zi e gt MSTAR KE P MSTAR R3766 RS C3717 R3761 0 J 1 1 eS m 1 should be guarded by ground LLON Close to the tuner 2 No via on both of them 3 Signal Width gt 12mils C37 C3740 Signal to Signal Width 12mils 10uF__ 0 LUE Ground Width gt 24mils 10 EN add 0929 3 3 3V_Normal Size change 0929 13703 MLB 201209 0120P N2 60mA e SER C3723 C3725 3727 22uF 0 1uF O luF 10V mt 16V 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 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET GElectronics MODEL GP3 571 BLOCK TUNER 1 SHEET Internal Use Only ELECTRONICS 3 3V_Normal AMP_RESET
12. Sty oe Ou U9 R240 6 C221 0 047u 249 C253 C256 C263 Oc 20 50 ITI GND_119 m SIDE_COMP R241 33 SIDE_COMP ponu 1 5 4 7u LUF 0 14 10uF PT 9 4 8 010 4 242 68 C223 0 047 AC ir 4 F17 221 ESE EUN SIDE_COMP C2244 10002 WI AVDD DDRI 55mA e 18 cupi 1 AAS T203 rgy TONE OFT l 123 AB6 L205 Vy 10uH OPT G8 ONDA 1714 n 1 R244 33 C2254 0 0470 AA8 M H8 EI 245 33 226110 04718 Y4 N22 X 016 5 CVBS IN e GND 126 R246 33 c7 WA N21 017 AV CVBS IN ET RXD O RP GPIO6 GND_127 4016 33 OPT C405 0 047uP AAS CS N20 R18 TXD O TP GPIOS MS 128 lo e 129 OPT R249 33 OPT C230 0 047uF AA4 A6 21 ET RXDI IY RN GPIOG3 Mon GND 130 E TP210 AA TXD 1 LED1 GPIOS56 SOC_RESET e GND 18 DIV MNT_VOUT 34 1 5 3 5V_ST SWITCH 15 EZ 203 aui ET_TX_CLK TN GPIOS9 SW200 e Sic GND 133 n 047u mum rua D s m iil mn Rumi m n U 1 ab T ET TX EN GPIOSS TEES e a GND_134 7 MSTAR ET_MDC GPIO6 aT GND 135
13. eio n AVDD LPLL 2 87 is DDC SCL2 Bs DDCDD CK GPIO29 I2S OUT WS GPIOI155 AUD Fio GND_88 SHE HPD2 L HOTPLUGD GPIO22 VDD33 VDDP_NAND 89 x7 REMOTE 57 GND_90 CEC GPIOS AB9 C236 2 2uF gt AVDD25_PGA us SC1_L_IN PG GND_91 lS l 11 C237 2 21 117 K7 J 2 11 IN AVDD MIU xis VPD DDRO D 1 GND 92 fpg 2u 1 219 DSUB_HSYNC e R4025 un AAS 11 ie AV_COMP_PC_L_IN O BLM SPGI2ISNID e 2 93 DSUB_VSYNC AV COMP IN AVDD_DDRO_D GND 94 Ed R228 33 C204 0 047 N2 AA7 4059 2 2uF SDD ODRO 229 68 C205 0 047 2 2 4027 onno 7 dee 220 33 C2064 p0 047uF N3 Y8 C242 2 2 4 K17 AVDD DORI D 1 o f D x I m R231 68 c2 NI Y10 C243 2 2uF OPT COMPONENT L223 L17 16 232 33 C208 0 047uF ACT C244 2 2uF OPT ae e AVSS PGA NHS 3 Di DIS PRCE RA R233 68 C2001 l M2 AD7 C245 1 2 2uF OPT L BLM18SG121TN1D 9 L16 VPDD DDRI D3 GND 1000pF MI AVDD DDRI C GND 100 15 9 x 221 11 Close
14. 5V_USB 1 1451 zt MLB 201209 0120P N2 OUT 2 120 ohm C1452 59 10uF C1453 C1451 10V O 1uF 5 22uF 3 3V Normal Jl 16V 1455 4 7 USB1_CTL m R1454 I 10K 1 U R1451 47 USB1 OCD 5 7 1450 e gt Q of 512 4 9 e SIDE USB DM n 9 SIDE_USB_DP ELECTRONICS MODEL cx DATE ios 5HEET LGE Internal Use Only HDMI EEPROM 5V HDMI 5V_Normal 2 x v v pu peewee ene M gt LE mE eg segetes ass Sd isses 1 5 5 1 5V DET HDMI 1 1 MN 10K R896 m 1K 0802 R830 C806 R888 C802 MMBT3904 NXP HPDI 0 1u 2 7 gt 2 7K R804 0 1uF 10K T 16 E 4 1 8K m z z E DDC SCL 1 gt DDC SDA 1 6 ppc_sDA_1 gt DDC_SCL_1 0 HDMI ARC 5V HDMI 2 5V_Normal 2 IIT gt CK ENKMC2838 T112 2 y 75 5 gt CK HDMII 9 gt D0 DO0 _HDMI1 gt Dl HDMII cS 2 DDC_SCL_2 1
15. Liquid Crystal need for Polarity ERE Change with every frame FF FF 7 7 mim Him 71 mim Him 71 mim Him 71 momimim mim m TIn TmT mimm 1 71 71 7 min 71 7 1 71 7 mimm 1 71 7 71 7 7 1 71 7 7 7 71 7 TnT 7 7 7 71 7 7 7 mn 71 1 mim m m mimimimimimim o 7 H Fe Circuit Block 71 1 Tmn mn 1 7 N Him m om mom om Him mimimimmm gt gt H mmimimimimim H mmimimimimim Fe Data R G B amp i _ Control signal Reference Voltage Gamma Reference Voltage 2 HD HDMI EDID data i 5 Source Drive Column Line 4 I Cic Csr Jessa Crystal 213 4 00 00 00 60 10 01 03 80 AO 78 91 a3 54 99 26 20 50 54 1 08 00 31 40 45 40 61 40 71 40 O1 01 80 01 01 01 01 01 01 66 21 50 Bo 51 00 B 30 40 70 40 36 00 40 84 00 1 64 19 00 40 41 00 26 30 03 06 40 00 00 1
16. P1051 LVBOP GPIOS1 LVBOP US A ABI 52 LVBON 955 52 LVBON 52 LVBON _ 1 25 1 v25 N6 SCKMO0 GPIO53 LVBIP V24 N 5 53 LVBIP V24 NE 5 53 LVBIP V24 IC104 1 AB 2C SDAMO GP1054 LVBIN Fz 12C SDAMO0 GPIO54 LVBIN Ai Ap 2C SPAMO GPIOS4 LVBIN M24256 BRMN6TP AC2 RUN W23 ac 73 LVB2P I Ac GPIOT3 LVB2P RAS GPIO74 LVEN s GPIO74 LVB2N NVRAM_ST LVB3P LVB3P 27 LVBNN iss LVB3N LVBNN LvB4P 7 LVB4P G 7 EO voc LVB4N LVB4N LVBAN AE24 4 a iNVACHD us ACER x El WC LVACKN LVACEN LVACKN 33 LVBCKP LVBCKP Av LvBcke 2 LVBCKN EVEEN W24 E2 SCL T25 023 GPIO196 GPIO196 VSS SDA GP10193 GPIO193 51 GPIO193 GPIO194 GPIO194 GPIO194 555 195 GPIO195 GPIO195 EAN61548301 SS MODEL OPTION 105 1 104 Bi AT24C256C SSHL T PM MODEL 0 WP l MODEL OPT 1 SCL zi R175 R176 R111 22 10K i PWM_LED SDA R112 22 DC SDA A C104 C106 8pF 8pF eee ELECTRONICS DDCA DA UARTO TX DDCA CK UARTO RX PWMO GPIO66 PWMI GPIO67 PWM2 GPIO68
17. 15 NC 16 Eum a E NAND FLASH 1G SS FLASH 1G TOSHIBA NAND_FLASH_IG_HYNIX EAN61857001 EAN61508001 EAN35669102 IC102 2 IC102 3 IC102 1 K9F1GO8U0D SCBO TC58NVGOS3ETAOBBBH H27U1G8F2BTR BC NC_29 NC_29 NC_29 NC_28 NC_28 NC_28 NC_27 NC_27 NC_27 NC_26 NC_26 NC_26 1 O7 1 08 1 O7 1 06 1 O7 1 06 1 05 1 06 1 05 1 04 1 05 1 04 NC_25 NC_25 NC_25 NC_24 NC_24 NC_24 NC_23 NC_23 NC_23 2 2 2 VSS_2 VSS 2 VSS 2 NC 22 NC 22 NC 22 NC 21 NC 21 NC 21 NC 20 NC 20 NC 20 1 03 1 04 1 03 102 1 03 1 02 I O1 I O2 I O1 I OO 1 1 1 00 NC_19 NC_19 NC_19 NC_18 NC_18 NC_18 NC_17 NC_17 NC_17 NC_16 NC_16 NC_16 NAND FLASH 2G HYNIX EAN60708701 IC102 4 HY27UF082G2B TPCB NC_1 NC_29 NC 2 NC 28 NC 3 NC 27 NC 4 NC 26 5 wos CAT24CO8WI GT3 H RECV TV NC_6 1 06 NC 1 voc R B 1 05 NO E RE 1 04 M CE NC 25 VSS SDA NC_7 NC_24 NC 8 NC 23 HDCP EEPROM ON SEMI NEW 1 2 NC 9 NC_22 HDCP EEPROM 3 3V_Normal GOA rz NC 10 NC 21 NC_20 HDCP EEPROM CATALYST OLD ALE 1 03 Ius EN CAT24WCO8W T WE 1 02 R113 C107 HDCP EEPROM 4 7K voc O 1uF WP 101 HDCP EEPROM 11 WP R127 4 7K NC 11 1 00 SCL R128 22 HDCP_EEPROM eee NC_12 NC_19 SDA NC_13 NC_18 R129 22HDCP EEPROM DC SDA NC 14 NC
18. Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes lt J D ELECTRONICS LVDS Connector For HD 60Hz Normal HD P705 FF10001 30 R713 0 RXA3 RXA3 N ON o N RXACK RXACK RXA2 2 RXAI LVDS SEL RXAO 3 3V_Normal RXAO PANEL A o HD z L701 70 ohm 1000pF 0 1uF 16V 16V 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 SECRET MUDEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG ELECTRONICS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics GHEE LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 5V_ST 3 5V_ST A A S FLASH MAIN MACRONIX IC1401 e MX25L8006EM21 12G OPT R1404 7K C1401 0 luF SPI SCK SPI CS e 5 SPI SDO FLASH WP e R1401 B Q1401 1035 SCLK R1405 SI SIOO 33 gt SPI SDI S FLASH MAIN WINBOND IC1401 1 W25Q80BVSSIG VCC HOLD IO
19. 25 EXT SPK 4 7K 002 V11 R1852 J R1850 LHPIN SHUTDOWN 100 EXT_SPK 9 EXT PVDD 2 LOUT R1851 e 10K B SUB MUTE EXT_SPK_L EXT_SPK QO mw AME LOUT PGND 2 009 24 Q 009 X24 EXT 58 lt 1 v MMBT3904 NXP 2 5 5 A z gt vM 100 R1803 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL GP3 S7LR DRIE 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Electronics LG R T i IDE JACEK T 5 5 T 3 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Region
20. DIF P DIF N SHIELD THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION T T H 2 5 5 amp 2 TU ZN 9 m 7 E gt lt A N g u Yn R3755 470 R3758 R3775 0 82 e gt TU SIF 3 3V TU MMBT3906 N XP 03705 A R3753 4 7K R374 1K R3741 33 R3735 1K TU SCL 33 R3736 e e SDA R3751 R3752 C3702 1 Tam 3713 230 220 18 18 3742 3743 Rm sv 20pF 20 Lsov NOW Ae R3756 0 3702 close to TUNER e OT R3783 0 e TU CVBS 4 E 16V NON ASIA R3749 0 NON ASIA 3 3V TU R3750 B Q3703 m IK c MMBT3906 NXP 3 3V_TU OPT 1 2V 1 8V_TU C3707 C3708 A 100pF O 1uF as R3733 C3750 C3751 o C3737 C3705 AD 100K 5 LI 5pF 100pF 0 1uF T 22uF TUNER RESET 50V 50V sov 16 m 23V glose to the tuner add 09029 ASIA _ ASIA R3780 R3781 ASIA ASIA R3704 100 OPT IF_AGC MAIN 9 7 9 moa poe R3785 R3786 should be guarded by ground ASIA ASIA C3716 O 1uF p 1 2V 1 8V_TU Sem g ome 4 irme 1 3703 433V
21. MDQ B u 7 F G8 vac 27 18 78 DDR DVB T2 2G DDR DVB T2 2G E3 55 6 fMi 585 6 Mi 1C1201 3 1C1202 3 F7 VSS 7 VSS_7 K4B2G1646C K4B2G1646C VSS 8 VSS 8 e VSS 9 55 9 EI veca FE veca FE F8 21 9 P9 EM H3 VS5 10 VSS 10 vemo Hs vSS 11 VSS_11 Im 25 VSS_12 VSS_12 H7 ben Bl Bl hey D7 vens DI DI C8 DS D8 2 2 2 vog mi 7 E8 E8 vaa St xr x A2 F9 F9 e VDDQ 5 VDDQ 6 7 VDDQ 8 VDDQ 9 RESET DOSL DOSL 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 SECREI MODEL GP3_S7LR DATE BLOLK DDR 256 5HEET LGE Internal Use Only ELECTRONICS LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes AR GLOBAL TUNER BLOCK TU3700 1 TDSS HIOIF TU3700 TDSS GIOID 812176 DVB IINPUT H TU3700 2 1058 2010 IF
22. gt CK 8 T AIP LE NU HE EE MEN EE RE 7 HDMI2 gt 6 gt 3 5V ST 1 e CA 4 HDMD gt 68K 3 D2 HDMI2 gt D2 For CEC pes e ES R855 1 1 CO D2 199 2 ton 5 57 7 7 HDMI a 9 7 e Q JK801 JK803 A O e REMOTE S7 pol OPT 2 806 SI1012CR T1 GE3 opr E 11 C805 2 ma lt 2 1 OPT GND GND ec NER eee So mm a md mmi a a md mum umma THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION EE MODEL DATE FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SENSE LG ELECTRONICS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics BLULK GHEE T Copyright 2012 LG Electronics Inc All rights reserve
23. gt D2 HDMI DDC_SDA_2 add JK802 a a a cob mn Nts os ce Wed pe aca Sete c ccn pee 1 Ea mm IDE HDMI HDMI gt SV HDMI 2 5V DET HDMI 2 m ev DET ico ye eee R807 2 R808 10K _ ENKMC2838 T112 Y Y po R895 R897 Y R828 te of ins sos R862 e C801 Q801 B IOK Hd MMBT3904 NXP TEDI R803 0 1uF MMBT3904 NXP ey e e 16V e 2 2 JP805 pe gt SDA 2 SDA 4 m DDC SCL 4 gt DDC_SCL_2 PASS R815 0 R841 DDC_SCL_4 HDMLCEC _ HDMI Q 2 6 _ f 2 SDA 4 JE n lt gt HDMD d
24. DDC_SDA_1 R4034V V 35 DA GPIO24 4064 R4019 Rig GND 51 514 DDC_SCL_1 lt _ vs DPCDA_CK GPIO23 0 1uF 111 52 115 HPDI ca HOTPLUGA GPIO19 NE AVDDIO LAN GND 53 ADD R4020 MIUVDDC DVDD_DDR GND 54 111 R4004 0 gt IF MAIN GND 55 2 R4001 0 0 11 4065 GND_56 wo 116 _ 1 0 047uF AVDD2P5 e AVDD2PS ADC 1 GND 57 TUNER I2C 25 c rl ee onp ETT AE6 pen w11 ur 119 I2C_SCKM1 GPIO75 gt TU wi 5 3 59 F555 2 SDAMI GPIO76 TU SDA AVDD25 REF GND 60 5 Close MSTAR GND 61 1 Avppes 62 3 261 22 225 LAN ADI K14 GND_63 ACI 5 V18 nio 555 AVDD2PS MOD lt i Jig 1 64 iis BO INS HOTPLUGB GPIO20 MIU eu 262 22 AVDD_MOD 2 65 AE9 D7 R2970PT 0 66 15 SPDIF_IN GPIO15 gt CI_DET GND_67 AC AVDD25_PGA DNI s Lt Acig RXCCKN SPDIF OUT GPIO153 Eier emp ees eir am a MS wis 25 PGA 68 15 AVSS_PGA AVSS GND_69 Normal 2 5 18 D0 Es ds GND 70 745 RXCIP USBO DM ES AVDD_NODIE AVDD_NODIE GND_71 as 1 l Ap
25. RGB Video Make sure the input signal type and Our TV can support the signal Yes Checkthe RGB cable defect or status of conductor Yes Download the EDID data Exchange the Mstar IC101 Or Main board Exchange the D SUB Jack Check the EDID 2 signal R1141 R1143 SDA SCL Ye Check the JK1104H V_Sync R G B signal Yes Check the DSUB_DET signal Exchange the resistor R1146 R1147 Yes Check the LY DS output signal of Mstar IC Exchange the Mstar IC101 Or Main board 6 HDMI Video Make sure the input signal type and Our TV can support the signal Yes Check the HDMI cable defect or status of conductor Exchange the IC or download The EDID data Check the EDID 2 signal R884 R891 Yes Yes Check the HDMI Jack JK801 JK802 JK803 Exchange the HDMI Jack Exchange the Resistor R830 R828 R862 Exchange the defective IC Check the HDMI_DET HPD signal Check the voltage of HDCP EEPROM I2C Signal IC103 Yes Check the HDMI signal Exchange the Mstar IC101 Or Main board Yes Exchange the Mstar IC101 Or Main board Check the LVDS signal output Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 7 Audio of All Check the speaker menu Menu toggle menu gt sound gt TV speaker Check the voltage of AMP IC
26. 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 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 3 Test method This specification is applied to the LCD TV used LD2AB 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification
27. mmm mm mm ES mm mm zd LED 8 3 5V_ST 2 C2410 m C2411 O luF o 0 0 43 5V ST R37 EU ASIA Ll R36 iz 22 R39 ovr our EU i IR_OUT R38 IR_OUT Q30 10K MMBT3904 NXP e 8 IR OUT EU ASIA R40 47K Q31 IR OUT MMBT3904 NXP e IR OUT ma i l R41 0 l IR_OUT_Brazil_USA 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 SECRET MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG ELELTRONILS THE CRITICAL COMPONENTS IN 5 MARK OF THE SCHEMETIC Electronics GHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 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 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET GElectronics USB 5 EAN61849601 IC1450 L1451 1 AP2191DSG CIS21J121
28. with width trace GND_101 Re SS SCARTI RGB COMPI z Ed GND 102 5 4 ds umm commi Se SCART OUT GND_103 RII SC1_ID va w6 EXTERNAL SPEAKER uci tr e H A GND_104 112 5 1 FB 4 J GND_105 R A23 R13 oe es si Bor C21 0 0470 us E o SCARTI Low Eu e xcu E u EU OPT R255 3 EU OPT F 047 1 T1 Y7 E H C23 _107 TP208 DDR3 1 5 GND_108 R256 6 2141 T2 5 9 e ul SCARTI_Rout e en 109 m EU R257 33 EU C215 0 047 R2 US EXT R a MB y R258 68 C216110 047uR RI C19 T11 e que usum 1 5V_DPR AVDD_DDRO 55mA 55 GND 1 5 SOG IN 11 e GND 112 UNS D14 T13 ord AVDD GND_113 D18 T14 4 E L209 e GND 114 AA2 BLMISPGI2ISNID D19 GuD quede SIDE COMP R237 33SIDE COMP C218 0 047uF Y2 e 00 2 17 T16 R238 68 E18 _116 BLMI8SG121TNID reales 55 3 GND_117 Q SIDE COMP R239 3 E COMP co20110 047uP W2 ADS 25 lt 2 E19 U8 SIDE_COMP_Y Um Umm 2 GND_118 2 E Y aye
29. 01 DDR3 DOL 0 B MDQLO H7 BAI 5A MDQLI G15 m 124 B MDQLO lt M3 i5 A MDQLI B21 A_DDR3_DQL 1 B_DDR3_DQL 1 154 B MDQLI L1 Bl Al Al MDQ MDQ D7 A MDQL2 B MDQL2 J7 8 2A MDQL3 E 3 15 870 251 B_DD m 2 123 i E B MDQI2 lt C3 DI ci SA MDQLA MPO B22 B DDR3 DOLD3 FM MDR B MDQL3 lt D8 K9 i A MDQLA B_DDR3_DQLI4 B MDQL4 B gt E2 D 15 2 AJ L5 B DDR3 DQLI 5 B L5 2 A7 E8 2 9 A MDQL6 jM A22 DDR3 bOUI51 Quern Q M23 B MDQLS lt E MDQ pis PPR3 DQLIS B DDR3 DOHISI MDQ B MDQL6 lt B8 GI A MDQL7 DDR3 DQL 7 B DDR3 DQLI7 B MDQL7 J3 B2 H2 F B MDQL7 lt MDN A MDQUO e DQUI O B DDR3 DQUIO QE B MDQUO A_DDR3_DQU 0 a ki J1 20 122 B MDQUO C A MDQUI DDR3 B DDR3 B MDQUI T2 79 79 A MDQU2 F16 H22 B MDQUI lt Li Li A MDQU2 1 A_DDR3_DQU 2 B_DDR3_DQU 2 B MDQU2 B 32 9 L9 L9 Ud A MDQU3 EG A_DDR3_DQU 3 B_DDR3_DQU 3 H20 B MDQU3 B 71 7 T7 A MDQUA bout DDR3 DQUI4 15 B MDQUA G3 A MDQUS A DDR3 DQU 5 B DDR3 DQUI 5 B MDQUS YA MDQU6 D16 DQUI3 H21 B MDQUS lt A9 A9 7 UG B U6 pou DPR DQUt6l B_DDR3_DQUI6 i5 1 B MDQU6 B7 B3 MDQI DDR3 DQU 7 DDR3 DQUI 7
30. 17 15 NC 16 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 O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECREI LGElectronics lt CHIP Config LED R BUZZ Boot from SPI CSIN EXT FLASH Boot from SPI CSON INT FLASH J 1 bO 17 1 IC101 LGE2112 T8 S7LR DIVX MSIO PCMDATA O GPIO126 PCMDATAL 1 GPIO127 PCMDATA 2 GPIO 128 PCMDATA 3 GPIO 120 PCMDATA 4 GPIO119 PCMDATA 5 GPIO118 PCMDATA 6 GPIO117 PCMDATA 7 GPIO116 PCMADR O0 GPIO125 PCMADR 1 GPIO124 PCMADR 2 GPIO122 PCMADR 3 GPIO121 PCMADR 4 GPIO99 PCMADR S5 GPIO101 PCMADR 6 GPIO102 PCMADR 7 GPIO103 PCMADR 8 GPIO 108 PCMADR 9 GPIO110 PCMADR 10 GPIO114 PCMADR 11 GPIO112 PCMADR 12 GPIO104 PCMADR 13 GPIO107 PCMADR 14 GPIO106 N GPIO123 PCMOE_N GPIO113 PCMWE_N GPIO197 PCMIORD_
31. 24V_LED A A Adapter_MAG L7912 MLB 201209 0120P N2 e 7514 7517 0 1u 68uF L7912 1 50V 35V 5217121 Ue 3 3V_Normal 3 3K gt 1K threshold voltage up R7514 3 5V_ST 1K R7516 10K INV_CTL C R7515 B 10K Q7502 E MMBT3904 NXP 400 SM14B SRSS TB 7927 0 1 0 01uF 50V 50 3 5V_ST A Q7508 MMBT3906 NXP gt RL_ON_BUFFER R7588 ERROR OUT R7507 100 4 7K R7506 10K B Q7507 RL_ON MMBT3904 NXP R7509 10K e 3 3V Normal 3 3V Normal 3 5 ST Q403 L403 A AO3407A BLM18PG121SN1D e e AS v R446 Q v amp 445 C437 S 10K RO 1uP 16V mis C423 Oc OPT 16V 16V 4 7uF 16V BE R434 22K 16V 10K 5 C424 duds m 100 780 mA R443 S POWER_ON OFF_1 10K n MMBT3904 NXP E 12V 15V 5SV USB e e C405 10uF 25 L IC401 TPS54327DDAR EP GND 2000 mA EN VIN 1 8 5V_USB 5V_No al 10K C413 VFB A VBST 2 7 O luF L406 L425 2 Jw BLMISPGI21SNID 3 6 e rje NR8040T3R6N 55 GND C420 C492 4 5 22uF 22uF 494 493 16V 16V 5V_SUB_A
32. 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 C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog 5 Component Input 1 Y Cb Cr Video only side Y Pb Pr Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Specification 6 RGB Input RGB PC Analog D SUB 15PIN HDMI1 DTV DVI PC HDMI version 1 3 HDMI Input 3EA HDMI2 DTV Support HDCP HDMI3 DTV The number of Input ports is different by model 8 Audio Input 1EA RGB DVI Audio In case of the RGB DVI Audio input 9 SDPIF out 1EA SPDIF out SS EMF 10 USB DivX HD JPEG MP3 DivX HD For SVC download Cl UK Finland Denmark Norway Sweden Russia Spain Ireland Luxemburg Belgium Netherland 42 DVB France Canal Italy DGTVi CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise uu aaa RS232C 1EA Interactive mode support 5 Video resolutions 2D 5 1 Component Input Y uox 78 ar 79 oaos ferso 690 Copyright 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 5 2 RGB Input
33. C Baud rate 115200 bps 2 Connect RS232 C Signal Cable 3 Write Cl Key through RS 232 C 4 Check whether the key was downloaded or not at In Start menu Refer to below Adjust Check Press OK to Save Country Group Code Country Group Country ADC Data Power Off Status System Model Number D L Test Option External ADC i 8 Spread Spectrum 9 Sync Level 10 Wireless Ready M Stable Count 12 ODC Test Tool Option1 Tool Option2 Tool Option3 Tool Option4 Tool Option5 480i Component 1080p Component RGB RGB OK 0x1C 0xD6 0xF9 HDMI2 OK gt Check the Download to Cl Key value in LGset 1 Check the method of Key value a Check the method on Instart menu Adjust Check Press OK to Save Country Group Code Country Group Country ADC Data Power Off Status System Model Number D L Test Option External ADC Spread Spectrum Sync Level Tool Option Tool Option2 10 Wireless Ready Stable Count Tool Option3 Tool Option4 Tool Option5 12 0DC Test 480i Component 1080p Component RGB RGB 0xD6 0xE9 b Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 A 0 0 2 Check the key download for transmitted command RS232 ci 00 10 oc j 1 j 0 3 Result value N
34. D sub Signal Cable to D Sub Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance 4 3 DDC EDID Write HDMI 256Byte m Connect HDMI Signal Cable to HDMI Jack m Write EDID DATA to 24 02 by using DDC2B protocol m Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 4 4 EDID data 1 All Data HEXA Value 2 Changeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum 4 4 1 Auto Download m After enter Service Mode by pushing ADJ key mEnter EDID D L mode mEnter START by pushing key Caution Never connect HDMI amp D sub Cable when EDID downloaded EZ ADJUST 0 Tool 1 1 2 2 Tool 3 Tool 4 4 Tool Option5 5 Tool Option Commercial EDID D L 6 Country Group 7 Area Option 8 ADC Calibration 9 White Balance 10 10 Point WB 11 Test Pattern 13 Sub B C 14 Ext Input Adjust EDID data and Model option download RS232 CMD i CMD2 Dao o Enter download Download A A When transfer the Mode MODE M
35. IC501 Exchange the AMP IC or 24V 33V Main board Yes Exchange the Mstar IC101 Check the Mstar Audio Master signal Main board R148 Yes Check the AMP Line Check the signal R140 R141 Exchange the Mstar IC101 Yes Checkthe Mstar 125 output Check the signal 1 501 9 10 11pin Exchange the Mstar IC101 Yes Check the Audio output signal Exchange the Audio AMP C501 1 2 3 4pin C501 Yes Check the connector P501 Exchange the connector If the connector is defect Yes Check the Speaker resistor or connector Exchange the speaker 8 TV Audio Yes Check the voltage of Tuner 33V 13703 Exchange the L3703 Yes 3703 2pin 18 Yes Implement the 8 Audio of all input Of Malfunction guide Copyright 2012 LG Electronics Inc All rights reserved 18 LGE Internal Use Only Only for training and service purposes 9 AV Audio Check the signal of JK1601 1684 R1685 Implement the 8 Audio of all input Of Malfunction guide Exchange the AV Jack 10 RGB Audio Exchange the AV Jack Checkthe signal of JK1102 Implement the 8 Audio of all input Of Malfunction guide Copyright 2012 LG Electronics Inc All rights reserved 19 LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM ISAG E d AB 05019174 dal S
36. OUT4 INV_IN4 GND NON_INV_IN4 NON INV IN3 jme C1648 INV IN2 INV IN3 rS R1654 47 220 75 ww 50 3 3V_Normal OUT2 OUT3 1660 JK1604 233 01 AV_CVBS_DET RD E LUG R1696 01624 C1646 IC1601 nom Ou AS324MTR E1 16V EXT_SPK CLOSE TO MSTAR E R18 CLOSE TO MSTAR RDICONTACT MONO A aes hans ty eke ie gh 22K OUTI OUTA 2 2K MIU CM oUr lt 11 EXT_AMP_L_IN _ 7 685 EU_OPT EXT_SPK WHIC LUG RI EU R1664 R12 e 4 W 10K EY Tae OPT 33K INI IN4 33K OPT EXT_SPK gt AV_COMP_PC_R_IN iced ies R1662 R14 EXT 5 C14 e i20 ohm 9 iu ExT RTO Man Xe ES R1667 D1625 ERR 330pF 5 EU 10K 131 nee 10K EXT SPK EXT SPE YL O SPRING 5 6V sov d 51654 33pF 5 6K SCART1_Lout j EXT_AMP_L rA L voc GND 1 1610 1642 EXT SPK 120 ohm R1684 0 1uF 5 6K IN2 IN3 5 6K gt COMP L IN 50V 5 1 FU oL EU_OPT E
37. R135 L5 FLASH_WP M6 22 R110 L SUB MUTE M5 22 R114 gt PANEL CIL 1 MODEL 0 35 Rib gt AMP MUTE A2 33 R147 SPI SCK D3 22 15433 R146 gt SPI CS B2 OPT SPI SDI B1 33 R151 SPI_SDO Y14 for SERIAL FLASH AA10 Y12 Y13 CI_TS_DATA 0 Y11 CI TS 12 TS DATA 2 AB12 CI TS DATA 3 14 TS DATA 4 14 CI TS DATA S5 AA13 CI TS DATA 6 CI TS DATA 7 ACIS5 r m SCI TS CLK ee CI_TS_VAL CI TS SYNC 1 CI TS DATA O0 7 from CI SLOT I2C SCKM2 DDCR CK GPIO72 I2C_SDAM2 DDCR_DA GPIO71 TSIVALID GPI96 TSISYNC GPIO97 ADIS5 ACI6 PCM D 0 7 PCM DIO w21 DI1 AAI8 lt CHIP Config gt PCM_D 2 AB22 25 28 OUT MCK PAD PWMIPAD 113 4 B51 no EJ 4 b0000 Boot from 8051 with SPI flash PCM DI4 15 SB51 WOS 4 b0001 Secure B51 without scramble PCM 2151 AE21 SB51_WS 4 b0010 Secure B51 with scramble PCM 2141 21 5 SPE NO 4 b0100 Boot from MIPS with SPI flash MIPS SPI 1 4 b0101 Boot from MIPS with SPI flash PCM A 0 14 PCM D 7 15 MIPS SPI 2 4 b0110 Boot from MIPS with SPI flash 2 MIPS_WOS 4
38. SPG 13 HF DIODES 1 5V DDR 1 420 A BLM18PG121SN1D EP IN OUT 3 e a Eu R457 2 7 4 3K 1 16W 55 1 472 476 3 3V Normab 433 1 gt 22uF 0 luF 10V 16V 10K x LL 467 2 560pF 55 YY gt amp 50 a R2 gt C461 M e 10uF U e 10 Vout O 8 1 R1 R2 1 5319 24V 15V 3 5 ST 100K 2 POWER_DET_DIODES E NIV 1C7509 o go amp OMS E APX803D29 w 525 5 m R7582 noe POWER_DET 24V gt 3 48V 15V gt 3 56V 20 7957 ST_3 5V gt 3 5V gt 3 375V 0 1uF 0 14 16V X 16 Power DET POWER_DET_ON_SEMI 1 7509 1 8035 293 AMP VCC Control mms AO3407A Vgs 10 8V 24V input 7 424V AO3407A Vgs 8 3 V 15V input A 7501 7805 rags 0 1 2 2uF 222K Der 5 R7500 G R7501 POWER ON OFF 1 27K Q7501 L7913 3 3uH e SER e R7502 10K OPT 2A 7932 7933 3 0 010 50V 50V 4 2 5V 1 83V LED Driver Power 3 3V_Normal ud e 24V_LED 402 2 5 Normal 7925 R7862 24V_LE
39. 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 2012 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 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 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
40. 10 e RIP CTRL2 R1807 510 gt RJP_CTRL3 1854 510 e RJP CTRLA a amp amp 3 s x X dX us Bl Su Syl EA Es Has 555 BaS BRS EA gt gt aO fn 64 mec v o v 5 v 6 Bx A gt AI 5 8 AD AT AS g g z 2 B8 olu S 00 00 ec o o 0 NU e e ee ee e o 5 SUB 1835 C1836 ovr Mad 1801 jJ JK EXT SPK EXI SPK 1029 02 G_SPRING 1 1802 5 AR EXT_SPK_R 3 AF8 EXT_SPK E_SPRING 1 1803 5 IC1800 e Y EXT SPK 3 AF8 TPA6011AA4PWPRGA4 dsl SPRING REN EXT SPK L 3 AF8 PGND 1 ROUT T_SPRING 1 1805 5 EXT SPK 1 3 AF8 EXT_SPK_R 1812 ROUT SE BTL EXT_SPK 009 X24 m C1813 C1810 C1811 009 X24 SPK R C 1 x R1813 39pF I 39pF 39pF 39pF cu 7 T_TERMINAL OPT OPT OPT OPT EXT_SPK PVDD_1 HP LINE EXT_SPK 52 E i R1814 e s Scr SP 1K 0 R1849 RHPIN VOLUME 3 3K m d 3 3V_Normal 5 RLINEIN SEDIFF A EXT_AMP_R_IN 11 002 V11 OPT RIN SEMAX R1827 51K EXT SPK VDD AGND R1828 100 e e EXT SPK DET v LIN BYPASS EXT SPK EXT SPK 3 5 ST R1808 oo 55 il C1837 FAK LLINEIN FADE EXT_AMP_L_IN 11
41. 2 P dE 8 S d D21 B MAS lt R2 ves vss A10 AP gt A MAIO 09 API B MA9 A9 TS vss s Er vss All gt 11 10 C13 A_DDR3_A 10 B_DDR3_A 10 25 10 lt 10 R3 B2 Vss_9 VSS 9 KORG E A MA11 Ais A PPR3 AI11 B_DDR3_A 11 55 B MA11 dd TE 5g vss 1o 29 2 12 E11 4 PPR3_AL2 B_DDR3_A 12 12 BA C G7 E A MAI3 A DDR3 DDR3 A 13 B MA13 NI Jr ame Ke 88 12 VSS 12 B13 D23 lt A13 T3 92 14 A_DDR3_A 14 B_DDR3_A 14 14 A13 H7 NC 5 Bl B1 M7 N9 NC 5 NC 5 D7 B9 AVDD DDRO E RI 2A MBAO 2 A MCK F13 G20 DI C3 D1 9 g Ra B15 DDR3 BAIOI B_DDR3_BA 0 B MBAO AVDD_DDRI NS D8 Ds i Doc A MBAI DDR3 B DDR3 1 B MBAI 7 E2 gt E2 SA MBA2 20 B MBAI 4 MB C1209 A MBA2 A_DDR3_BA 2 B_DDR3_BA 2 B MBA2 ec B MBA2 Al E8 AT E8 AK 9 o NI 8 F9 A2 F9 9 2 0 01 C17 G25 x yes 50V A1 20 B_DDR3_MCLK G23 B MCK cM NOCHES B DDES MCLEZ F25 Aen D2 B_DDR3_MCLKE B MCKE 2 9 AMCKB DES ES E A 1
42. 22 75 GND 1608 75 89909 S 30V B SIDE_COMP_Pb EU_OPT SIDE_COMP SIDE_COMP m GND R4221 D2B OUT SIDE D R9908 OUT x 0 SIDE_COMP_Pr gt 5 1 os SIDE COMP ncm D1605 EU OPT SIDE COMP dE R1604 GND 75 ID e L GET 5 L gt ID pu D16183 R lt e SC1 F EU_OPT 30V 15K 1629 AUDIO_L_IN D1606 1605 _ B_GND EU_OPT UDIO GND e EU OPT UDIO L OUT R1617 Ex 10K AUDIO IN SER SCI L IN L1604 EU OPT EU OPT UDIO OUT 01607 R1606 120 ohm C1611 R1630 5 6V 470K EU_OPT 330pF 12K OPT EU_OPT 50V PSCOOS OI 7 EU_OPT Kl 2 R1618 J 60 ERR S gt IN 1 1603 D1609 120 ohm C1612 5 6V EU R1631 OPT R1607 F 330pF 12K 470K 50V EU_OPT EU_OPT SCART AUDIO MUTE 3 5V_ST SER DTV MNT L OUT D1608 EU OPT EU OPT U OPT 5 1 1601 1609 C1618 L OUT C BLMISPGI21SNID 1606056 EU OPT OPT P EU R1652 a oe Q1607 10K MMBT3904 NXP EU_OPT Q1610 R1648 MMBT3906 NXP t DTV MNT OUT c E SCARTI MUTE EU OPT EU OPT D1601 1 1602 EU OPT C1619 EU_OPT 5 6V BLMISPGI21SNID C1610 4700 EU 1636 a 1000pF Q1608 0 1uF 50V MMBT3904 NXP BU O THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORT
43. 3 DI IOO 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 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR MUDEL szrm 20110324 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics SL LILK Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes ELECTRONICS RJP 12V 15V A 1 1800 Q1800 i5 BLMI8PG121SNID e C1801 1800 1800 C1803 10K 2 2uF R1836 22uF gt 1802 I 16V PROTECTION Guy 16V 10K e OPT RJP R1801 Q1802 AO3407 ARJP PROTECTION 7 RJP_PROTECTION RJP R1833 5 1K RJP PROTECTION JK1800 R1835 KRJV9768 1001 024 RIP PROTECTION mS 1 R1834 RJP_PROTECTION E 5 1K RJP NORMAL R1856 0 R1806 510 e RJP CTRLO R1804 510 e e CTRLI R1805 5
44. 3 CB3216PA501E MBRA340T3G 1K ENABLE FAULT SOURCE_3 close to pin EXT12V_CTRL SER e swa BST E POWER OUT N 2 PSU_POWER_OUT 12V I LIMIT SOURCE_2 C64 C65 PSU_POWER_OUT sw 2 VIN 2 221 BP 2 9 e PSU POWER OUT 16V 750 Gea source CWR OUr POWER OUT EN VIN_1 3 3uF O 1uF 5 e PSU POWER OUT 50V 50V R53 PSU_POWER_OUT COMP FREQ 200K N 0 21 7 PSU POWER OUT E 225 1 8 PSU POWER OUT Risse ap R56 R57 150pF 15 6 1 PSU_POWER_OUT 270K 10K voc 12V 12V 15V x 5 50V A g OX 8 1 16W 1 16W 29 2 196 196 D 5 95 lt 3216 501 E c E A 2 2 6 LIPS POWER OUT E POWER_OUT_ON_SEMI E A o PSU_POWER_OUT T lu 22u NCP803SN293 22UH 52 16V 16 POWER OUT R66 100K PSU POWER OUT 22uF C53 9 25V 0 luF N VCC RESET I 50V lt lt POWER_OUT 3 2 v v D51 1 t 5 POWER OUT POWER OUT DIODES GND 51 APX803D29 R64 100 C gt EXT PWR DET POWER_OUT R67 1 2K 1 16W POWER_O e 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 SECRET UDEL 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN 15 MARK OF THE SCHEMETIC Electronics GHEE
45. 3 H2 IC1201 2 IC1202 2 2A MODT E14 D20 K3 H9 NTSCB64M16DP CF NTSCB64M16DP CF A MODT B DDR3 ODT B MODT 2A MRASB AVDD DDRO 5 12 eM DEG zs 22 25 i m B MODT lt L3 5 R1231 12 Boni Sr B24 AVDD DDRI B MRASB a m DDR 1333 NANYA NEW DDR 1333 NANYA NEW E N3 M8 M8 A MWEB 10K 6 12 DORT A24 BI A B MCASB lt Li B7 EAN61857201 VREFCA EAN61857201 VREFCA i MWEB WEZ WEZ R1232 BMWEB lt L9 P3 A MRESETB F11 E20 i T7 N2 HI A2 HI A MRESETB DDR3 RESET B DDR3 RESET B MRESETB SS i G3 Pi A3 MRE 4 2 7 EN A9 R8 L8 18 A MAl4 lt _ gt A MDQSL be 19 gs A DE onu K24 i B7 vss R2 A MDQSLB cig ee K25 d B MDQSL gt yss E T amp A_DDR3_DQSLB B DDR3 DQSLB MDQ Ra E7 vss a LS r 8 i us MDQ D3 12 7 4 D9 Dh A MDQSU B18 ADDO PODES T 121 55 5 7s R7 A10 AP A MDQSUB ais DOS J20 DAR B MDQSU 1 VSS_6 Mi ny AH i All A MDQSUB A_DDR3_DQSUB B_DDR3_DQSUB B MDQSUB F7 55 7 Al2 12 B MDQSUB lt VSS 8 K8 AMDML E15 H24 S vss o e NI 2 NI AMDML A31 APPR3 B_DDR3 DQML B MDML BMDMI 2 ES vse io M N9 VEM N9 E T1 A MDMU B MDMU RI RI DDR3 DOMU B DDR3 DOMU i vss 6 zi YA MDQLO D17 L23 G2 N8 A MDQLO 01
46. 3D e MODEL OPT 0 OPTS OPT R202 100 Bd ER 5 ope 100 e DEL 1 MODEL OPT 4 U23 NON OLED OLED D 3 5 5 d A 3 3 3 3 3 2 R204 100 4 MODEL_OPT_5 24 NON DVB S 5 R4031 100 e ODEL OPT 4 R4032 100 s op MODEL 6 B8 READY 4 READEY es v PT HH HM Hl 4040 100 6 cao068 1 4069 1 R4039 100 7 MODEL 7 A8 READY READY T 68pF 68pF 4 IC101 LGE2112 T8 1 10V_VDDC ha 2 22 ee caer eee a m hee io Close MSTAR DTV IF x R288 100 C257 0 1uF Normal Power vg preme 2019 5 Q E NON ASIA 3 3V Normal VDD33 GND 33 ZS z 2 C4068 9 ppc 1 82 O N m m 8 S 79 100 G13 25 al a 289 100 C258 0 1uF L204 VDDC 2 GND 35 l 8 gu m 2 1 T IF N MSTAR BLMISPGI2ISNID EM ODDS uper e e e NON ASIA e e V G17 L ole w e VDDC_4 GND_3
47. 6 ARTOA TS DATA SK 1 7 33 ICI TS 6 CI_MISTRT FE TS SYNC 7 7 C FE TS VAL ERR ICI TS DATA 7K CP ADDRTIO CI MIVAL ERR R190 10K FE TS CLK SAN e CI OE CILIORD ADDR 9 IOWR ADDR 8 J CI ADDRI I3 MDI 0 ADDR I4 CI MDI 1 CI MDII 2 CI MDI 3 PCM IRQA C1909 0 1uF E NA C1909 GND CI MDI 4 OPT OPT 0 1 a CI MDI 5 ADDR 12 CI HOST I F CI MDI 6 CI ADDR 7 MDI 7 7 CI ADDR 6 1902 47 1901 47 CI ADDR 4 WAIT lt CI ADDR 3 l l 81925 33 ca ADDR 2 CL TS CLK 2771 55 l 1 ie CI_ADDRIO l TS lt CIL_DATAIO DATA I CI_ADDR 0 14 CI TS 1 25 CI DATA 2 1 TS DATA 1 C 1 CI TS DATAI2 C _ 3 lt 7 1903 26 i A 2 amp CD2 9 100 22 1 1902 5V_Normal GND C1913 O 1uF 5 16V GND 1914 12 50V 5 l Lo ll R1904 GND PCM A 0 CLOSE TO MSTAR 10K C1904 l OITO742440D Eze i CI ADDR 7 C gt CI ADDR 0 1A2 2A4 MISTRT AIT MIVAL ERR 1Y2
48. 6V C1911 U 16V R1914 4 16V R1912 22K ice OPT R 4 1913 CL_ADDR 12 lt PCM_A 12 ADDR 13 C 1 PCM_A 13 ADDR 14 C 141 R1922 REG 2 2K c R1913 01901 1909 5 33 MMBT3904 NXP l CLOE lt OE R1924 CL WE lt WE CLIORD PCM IORD CLIOWR 7PCM_IOWR Em Em i mm Em mmm Hm mm mmm Em mmm mmm mni m mm mmm Mm Hm d Hm Hm mm un mm mmm n mm 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 5 MARK OF THE SCHEMETIC MODEL GP3_S7LR_ DATE _ SHEET LGE Internal Use Only SECRET LGElectronics ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LG Life s Good
49. 7 C4069 3 3 5 5 5 5 3 L10 G18 IC101 1 100 3 S 5 af 4 Ss a a afar VDDC 5 GND 38 i o o o lt lt lt lt lt lt lt lt lt MI2 ate Dx G19 LGE2112 T8 E 6 mc d s Y o N v VDDC 7 GND 40 250 0 14 R4002 47 21 5 sf lt ape ela N12 H11 5 5 S VDDC_8 41 o S7LR DIVX 51 C251 47 Ts J 5 P14 EM EL J2 ACA e 15 CK 15 AT ANALOG SIF ATS 4 TUM oup aa Close to MSTAR 7 R14 15 HDMII1 KES e T Ris 1 2 GND 45 D0 RXAON VDDC_13 GND_46 K2 AE3 T10 H17 xi RXAIP 1208 VDDC_14 47 iig D1 HDMII RXAIN 1 227 BLMISPGI2ISNID GND 48 iis D24 HDMII RXA2P BLMISPGI21SNID amm e pio GND_49 38 D2 1073 29 RXA2N T p19 AVPDIPO GND_50 15 uF lu 9
50. 8 00 00 00 FD 00 60 1E 53 10 00 20 20 20 20 20 70 73 1 80 02 03 22 F1 4E 90 22 15 01 26 15 09151742 18 71116 16 zo 58126 25 00 0 5 Adjustsequence Press the PIP key of the ADJ remote controller This PIP key is hot key to enter the VCOM adjusting mode lt lt 18 02 18 74 38 20 40 00 00 1 02 0 After enter Service Mode by pushing ADJ key then Fo oo e m As pushing the right or the left button on the remote 3 Detail EDID Options are below controller And find the V COM value Which is no or a Product ID minimized the Flicker If there is no flicker at default value MODEL NAME HEX EDID Table DDC Function Press the exit key and finish the VCOM adjustment HD FHD Model 0001 04 00 Analoa Diaital m Push the OK key to store value Then the message 0001 E Saving is pop P th it key to finish VCOM adjust t b Serial No Controlled on production line ET Tees TENIS adjustmen c Month Year Controlled on production line ex Week 01 gt 01 d Model Name Hex cf TV set s model name in EDID data is below MODEL NAME
51. ADC Calibration ADC Comp 480i ADC Comp 1080p ADC RGB 8 White Balance 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting Caution Using P ONLY key of the Adjustment remote control power on TV If there is no Component Input disappear ADC Comp message ADC Calibration Protocol RS232 Enter Adjust A A When transfer the Mode In Adjust MODE Mode In Carry the command ADC adjust Automatically adjustment pee ust The use of a internal pattern Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component Input 4801 ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 only LD21B ad 00 10 Adjust 1024 768 RGB only LD21B aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check 3 2 1 Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz 5 HDMI 6 PC Audio In Display and Sound check is executed by Remote controller Caution Not to push the INSTOP KEY after completion if the function inspection Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes ze 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern 80IRE LED gt C
52. ANT 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 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECREI LGElectronics LG ELELTRONILS MODEL szrm DATE BLULKREAR JACK 20110324 LGE Internal Use Only RGB PC Dum EM 4 TE Lxx ciue T yes l RGB_DDC_SCL e e RGB DDC SDA C1127 1128 R1141 ER UM E 22 49 cb 72 DSUB VSYNC lt e DSUB_HSYNC C Tow MESE D1113 D1116 1 E I 30V E 1 7 m 5 6V 1 DSUB_B e e RI 133 1 D1110 DSUB_G lt R1135 1 pin e pocorn E T R1147 DSUB_R e I IK 1 E pon 1 IRRE 2 2 8 di ee pe ee THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL
53. 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 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
54. D_driver TJ3940S 2 5V 3L l 2 2uF 222K A 50 T 7924 5 I T sov R7861 C43 1 7 27K Q7521 A034074 Pj 16V R7860 I vas AO3407A V 10 8V Lo 2 mum um gt 403 440 BT3904 NXP ES mV 0 1uF RL ON p 16V mA C7926 208 T 0 01uF o 50V 7 7 ae x ae ST7LR core 1 2V volt 3 3V_Normal 428 447 O 1uF 43 5V ST 16V 1 10V_VDDC A C441 AC O 1uF 3 L413 e I e e C430 C431 a C444 101 0 1uF 9 0 1uF 10V 16V 1408 05292 16V TPS54319TRE E R400 e IFB_CORE 0 1 50 100 C439 1 16W 330K 5 S z R436 C448 15K 3300pF e I e 50V R2 Spe vs 50 165 528 V out 0 827 14 R1 R2 1 225V ELECTRONICS 24V 15V A 7 1 SN 7 IC7502 gt MP8670DN LF Z C7533 C7536 C7540 3 3uF m 3 3UF 50V 50V 50V SW IN 12V 15V 090916 nee real output 12 3V ON BUFFER R7540 voc 120K Te e z 1 7522 R7865 51 g u GND SD 50V E art C7519 ES 20 x LUF 2 25 _ Placed SMD TOP 7uH close to IC750 SEM e or
55. EMC CE IEC 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 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 receiver must be operated for about 5 minutes prior to the adjustment 4 Model General Specification 1 Market EU PAL Market 36Countries DTV amp Analog Total 36 countries DTV MPEG2 4 DVB T 36 countries UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan DTV MPEG2 4 DVB C 11 countries Sweden Finland Austria Swiss Germany Netherlands Hungary Slovenia Norway Denmark Bulgaria Broadcasting system 1 Programme coverage 2 PAL DK VHF E2 to E12 UHF E21 to E69 3 SECAM L L CATV 51 to S20 HYPER 521 to S47 4 DVB T C 3 Receiving system Analog Upper Heterodyne DVB T Digital COFDM QAM 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
56. ER ONLY or the others check the back light on LGE Internal Use Only Auto adjustment Map using RS 232C to USB cable RS 232C COMMAND CMD ID Wb 00 OO White Balance Start Wb O0 ff White Balance End RS 232C COMMAND CMD ID DATA MIN lt Caution gt Color Temperature COOL Medium Warm One of Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are CO it is the FULL Dynamic Range of Module Manual W B process using adjust Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing gt key at 8 White Balance EZ ADJUST White Balance 0 1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool 5 5 Country Group R Gain G Gain B Gain R Cut G Cut B Cut Test Pattern Backlight Reset 6 Area Option 7 ADC Calibration 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 DDC EDID Write RGB 128Byte m Connect
57. FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MUDEL GP3_S7LR DATE 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics BLOCK 9 4 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes OUT R1123 100 121 e 8 1124 3 5V_ST 100 7 D1107 D1108 CDS3C30GTH I CDS3C30GTH 30V 30V OPT OPT EXT 12 SEI 238 SPG09 DB 009 1 1101 C1106 JK1101 MAX3232CDR luE 3 5V_ST A Cl voc D1100 sine C1102 rope y GND e 50 1103 0 luF DOUTI C2 RINI C1104 0 luF ROUTI gt PM RXD v DIN1 gt PM TXD C1105 0 14 Fpour DIN2 RIN2 ROUT2 EAN41348201 POWER_OUT R65 43 PSU_POWER_OUT 100K POWER_OUT GND SOURCE_5 EXT_12V PSU_POWER_OUT Switching noise ducing MPS recommen E E 11 FIORE DV DT SOURCE 4 50V 0 1uF S 5 3 T sov POWER_OUT IC50 A L54 MP4460DQ LF Z GND R6
58. GE for SYSTEM HDCP R136 22 p23 iac EEPROM amp URSA3 R137 22 p24 3 3V_Normal RGB SDA RIO 22 DI RGB SCL 1 a X S I N mE Mal ma PWMD z N23 PWMI PWM2 E e R21 3 5V_ST LED W lt SDA A CTRL2 P20 SCL F6 SDA LED lt I2C_SCL ga R143 4 7 H6 x OPT KEYI Gs KEY2 G4 EXTI2V CTRL lt 22 RIO 15 22 163 14 SCARTI MUTE lt 22 R164 R23 U04_LGE2111A TE U04_LGE2111A T8 U04_LGE2111A VD IC101 1 IC101 2 IC101 3 LGE2111A TE LGE2111A T8 LGE2111A VD R24 R25 c7 AB25 2 TS 27 25 ge GP1036 LVAOP i525 GPIO36 LVAOP 7523 GPIO36 LVAOP T22 ps 7 LVAON Fics 5 GPIO37 LVAON Dcos ps GPIO37 LVAON css GPIO38 LVAIP 8 LVAIP A524 8 LVAIP AL Es GPIO39 LVAIN Apes Es 1039 LVAIN GP1039 LVAIN ATOS ps 040 LVA aca ps GP1040 LVA2P 52 ps 40 LVA2P coa p7 1041 LVAN Figs py LVA2N o3 GPIO41 LVA2N ABSA GP1042 LVA3P Ey GP1042 GP1042 LVA3P cos p GP1045 55 p 9 1045 LVA3N PUT p 1045 LVA3N ACA ABS 046 LVA4P pos ABs GP1046 DOS ABS 046 LVA4P AD GPIO49 LVA4N ABa GPIO49 LVA4N Apa 49 LVA4N GPIO50 v23 Xo GPIOSO N23 GPIOSO vaa GPIOS1 LVBOP 554
59. H14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control Mode Temp Coordinate spec Target Enn Y 0 273 40 002 lt Test Signal gt a com am Edge LED W B Table in process of aging time Only LGD Edge LED Module except AUO CMI IPS Module CA210 CH 14 Test signal Inner pattern 80IRE y x y x y 269 3 284 293 0 317 334_ 6 3649 272 288 297 312 327 8 8 49 270 274 286 294 310 324 79 Over 150 269 273 288 263 309 323 Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON gt Enter the mode of White Balance the pattern will come out Full White Pattern 210 COLOR ANALYZER TYPE CA 210 RS 232C Communication Auto control interface and directions 1 Adjust in the place where the influx of light like floodlight around is blocked illumination is less than 10 lux 2 Adhere closely the Color analyzer CA210 to the module less than 10 cm distance keep it with the surface of the Module and Color prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 5 minutes Using signal or POW
60. HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV 4 6 Outgoing condition Configuration m When pressing IN STOP key by SVC remocon Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking e Checksum Changeable by total EDID data EDID C S data HDMI Block 0 4 7 Hi pot Test Confirm whether is normal or not when between power board s ac block and GND is impacted on 1 5 kV dc or 2 2 kV dc for one second Check sum HE Copyright 2012 LG Electronics Inc All rights reserved 2124 LGE Internal Use Only Only for training and service purposes 5 Model amp Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect RS232 Signal Cable to RS 232 Jack Write Serial number by use RS 232 Must check the serial number at the Diagnostics of SET UP menu Refer to below 5 1 Signal Table LENGTH ADH ADL DATA1 Datan CS DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data 1 Data n Delay 20ms 5 2 Comand Set Adjust mode CMD hex LENGTH hex EEPROM WRITE n bytes Write n 1 16 Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Mode
61. LVAIN LVA2P LVA2N LVA3P LVA3N LVA4P LVAAN AC25 2 LVBOP 2 LVBON 2 LVBIP 2 LVBIN LVB2P LVB2N LVB3P LVB3N LVB4P LVBAN AC2 LVACKP LVACKN LVBCKP LVBCKN GPIO196 193 194 195 SCKMO GPIO53 2 SDAMO GPIO54 LVBIP LVBIN Internal demod out MODEL OPT 2 RJP GPIO73 GPIO74 LVB2P LVB2N LVB3P LVB3N LVB4P LVBAN LVACKP LVACKN LVBCKP LVBCKN GPIO196 GPIO193 GPIO194 195 25 AB23 See AC25 An gt RKAI RXAI AD25 ACA gt RXA2 AE23 AC23 gt gt RXA3 AC22 AD23 V23 U24 V25 V24 W25 W23 AA23 Y24 AA25 AA24 AE24 AD24 ERE RXACK Y23 W24 T25 ODEL 3 023 ODEL 4 24 ODEL 5 T23 2 0 100 MODEL DATE BLULK SHEET applied on only SMALL PCB 20110511 LGE Internal Use Only 3 3V_Normal MODEL OPTION
62. MP R2 1uF 3300pF OPT A 10V 50V 1426 BLMISPGI21SNID 7 Vout 1 R1 R2 0 765 5 03w EXT 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 O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECREI LGElectronics A 12V 15V L7517 3 PANEI POWER 7525 a C7526 C7529 R7863 1 27864 51 C7504 0 01uF 0 1uF 10uF 3K 3K Mi 50V 16V oe omo PANEL DISCHARGE RES 0 014 J AO3407A PANEL DISCHARGE RES Y New item R7530 C7531 Baada 33K 10 8 25V PANEL VCC 22K OPT e e 11 A C7541 R7531 gt SOK 50V OPT 7522 zi Q7505 B g 7 MMBT3904 NXP t 7521 C7547 Jy 47 Q7503 R7527 5420 842 CIL MMBT3904 NXP 15 MATA R7524 10K Ay 1 5 Me 1000mA 3 5 ST Ras mmi umm aa 1 407 AP7173
63. N GPIO111 PCMIOWR_N GPIO109 PCMCE_N GPIO115 PCMIRQA_N GPIO105 PCMCD_N GPIO130 PCMWAIT_N GPIO100 PCM_RESET GPIO129 PCM2_CE_N GPIO131 PCM2_IRQA_N GPIO132 PCM2_CD_N GPIO135 PCM2_WAIT_N GPIO133 PCM2_RESET GPIO134 UART1_TX GPIO43 UART1_RX GPIO44 UART2_TX GPIO65 UART2_RX GPIO64 UART3_TX GPIO47 UART3_RX GPIO48 NF CEIZ GPIO138 NF WPZ GPIO198 NF CEZ GPIO137 NF CLE GPIO136 NF REZ GPIO139 NF WEZ GPIO140 NF ALE GPIO141 RBZ GPIO142 GPIO_PM 0 GPIO6 PM UART TX GPIO PM 1 GPIO7 PM 2 GPIO8 PM 3 GPIO9 PM 4 GPIO10 PM UART RX GPIO PM SI GPIO11 SPI SCZI GPIO PM 6 GPIO142 PM 7 GPIO13 PM 8 GPIO14 PM 9 GPIO15 SPI SCZ2 GPIO PM 10 GPIO 1 GPIO PML 11 GPIO17 PM SPI SCK GPIOI PM SPI CZO GPIO PM 12 GPIO PM SPI SDI GPIO2 SPI SDO GPIO3 TSOCLK GPIO87 TSOVALID GPIO85 TSOS YNC GPIO86 TSODATA 0 GPIO77 TSODATA 1 GPIO78 TSODATA 2 GPIO79 TSODATA_ 3 GPIO80 TSODATA_ 4 GPIO81 TSODATA_ 5 GPIO82 TSODATA_ 6 GPIO83 TSODATA 7 GPIO84 TS1CLK GPIO98 AR103 22 AE18 17 WP ADIS J PF 18 19 OE AD17 17 PF ALE ADI9 J F RB AR104 22 H5 POWER_DET PM TXD 22 R134 INV_CTL 5 ON POWER ON OFF 1 PM RXD C2 22
64. S Zzngi dai Ee a Es I 9pIS 3 saw l 4 022851 E5 gt a IL C INO MdS 16 007 41 V y Uld UuJed ZEZEXYN RRE 9262 83 l 80 i 1 55552 41 5 l AV 090 ul ipny IAQ Od Lh 4 Nod 2 9 SgHAO NL 4 4l 5501 L 24 4 1 Wve Je X LGE Internal Use Only 20 Copyright 2012 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
65. T ind SP 7850_4 7 C7532 C7537 C7545 10uF 1OuFj O 1uF 25V i 25V 50V moe lu J R7529 24 gt 3 5 gt 7527 50V 0 1uF Switching noise reducing MPS recommend 1 7503 Z lt A MP4460DQ LF Z GND 24V 15V MBRA340T3G A A close to pin sw BST e 1 10 A Sw 2 VIN_2 2 9 e D7500 T C7542 C7544 EN g VIN 3 3uF z0 luF 3 5V_ST e 50V 50V A R7537 COMP FREQ 100K 4 0 21 7 C7524 1 8W 220pF FB GND 596 R7544 50V 5 6 100K E 110 aS 524 HES 2252 D z 3y g 17509 25 3 6uH NR8040T3R6N C7538 C7571 C7543 10uF 10uF O 1uF 50 MODEL DAT POWER_Adapto BLULK 7 20110324 A LGE Internal Use Only CONTROL IR amp LED P2402 12507WR 04L 3 5V_ST A e R2404 R2405 10K 10K 1 1 P2401 12507WR 10L R2401 BLMISPGI2ISNID 100 e A e e 8 R2402 L2402 100 BLM18PG121SNID 352358 C e AP t 8 2401 C2402 D2402 fe BAC 5 6V l Bio 43 5V ST 5 6V A 3 BLMISPGI2ISNID 3 5V_ST C2403 T 7 2404 TOOOpF R242 16V ii ag 50V 47K R2428 22 IR lt t 8 C2407 Ly 100p D2405 R2413 1 5K 75 5 6V LED_W e 8 IR OUT R2414 1 5K en Hs xx mm mm
66. XT SPK EXT SPK C1662 1665 R4217 AK C NBULOPT IN2 IN3 33 C15 D1626 R1672 330pF DES 330pF 220K K 220K 330pF 5 6 470K 30V EU_OPT EU_OPT RII EU OPT 10K OUT3 10K EXT_SPK l R1655 C1655 EXT_SPK SPK R19 2 2K EU_OPT 33pF 33p 2 2K EXT IN TEL iM 645 ET 1661 u 470K 16V 3 3V_Normal R1613 10K EU_OPT EU_OPT SC1_DET EU_OPT iei IN CASE OF SMALL 15V 5 6V O 1uF EU OPT 12V 15V OPT 16V 1 1606 210 TS 3 3V_Normal SC1_SOG_IN gU E EU OPT FU BU Orr MMBT3906 NXP R1640 0 1uF Q1601 470 0 1uF 9904 50V 10K R9912 1 e gt 5 1 CVBS IN B SIDE COMP 1K gt SIDE_COMP_DET EU 1608 QI602 R1641 R1609 C1604 3904 SIDE 47 220 MMBT3904NXP 47 EU_OPT D9908 En 75 50V R4211 C1621 5 6V V DET 50V 390 47uF OPT RRND D1602 E 16V e 30V Es JK1600 eee OPT WIE DTV MNT_VOUT KJA PH 1 0177 635 bYNC_OUT 320 R9910 d EU OPT 75 EU OPT EU OPT R1642 YNC GND2 e D1610 Rre28 Res R1639 15K gt SIDE COMP Y D1603 30V 7 Gain 1 Rf R D9907 YNC GNDI 100uF due SIDE COMP 0 16 8 SIDE_COMP RGB_IO gt SC1 FB EU OPT D9905 8 30V IR OUT e EE EU R1627 D1604 EU_OPT 1616
67. agzgmAmS 999 RW c R502 E 2 5 E eec T 1N4148W 12 12 L503 R520 10K R506 2 NIN 10 0uH 539 R518 a Gb E Tm 100 505 E 2D 1504 20V A B DE CO C520 522 C524 pori a 9 SPEAKER Q501 sov L O OO AAA 25 533 5 IOK MMBT3904 NXP 0 1uF 10uF 2 2 gt 50 50 35 504 20 20 C540 R512 Do ten 7 ee 4 7K TH p 1 1 50V e e e e e e e SPK R R522 0 e POWER DET 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 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics MODEL Gr3 szrm DATE BLULK mrreza4oo OHEET LGE Internal Use Only ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Rear AV gt AV_CVBS_IN OUTI INV INI NON INV INI VCC NON_INV_IN2 IC1601 1 SN324
68. b1001 Secure MIPS without scramble PCM_A O MIPS_WS 4 Scerur MIPS with SCRAMBLE W20 20 w2 22 2005 8 A 4 AA20 PCM A 5 AA2 ki AB 1 _ Y19 m Sa ETT B E A 7 AB17 PCM 8 E 9 LED R us e LLL AUD SCK PCM AUD_MASTER_CLK R148 c 4 AUD MASTER 0 PCM AAI6 56 i PCM A 12 AAI9 100pF e 50 4 PWMO z REG 15 OE 5 EM Wee AD22 lt 5V Normal AD20 A PCM_IOWR lt o o m R132 AD21 IMMING ow POM CE AC20 7PCM_IRQA e R133 Y18 10K PCM_CD Y21 WAIT Y22 RI SA L C109 PWMO GAP R157 m I OPT EM 71 100 Pep OPT CI_CD1 lt _ USBLCIL EUN CD2 22 R120 22 R122 22 5 CTI 7 ERROR_OUT OPT to delete CI or gate D4 RJP CTRLI E D23 22 R130 N24 MODEL_OPT_6 22 R131 DS ED M uN S MODEL 7 ac AEs ip fay ES
69. chematic 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 manufactu 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 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 positi
70. d LGE Internal Use Only Only for training and service purposes AVDD_DDRO A AVDD_DDRO Ss AVDD DDRI AVDD DDE e Sls Sig AVDD DDRO DDR3 1 5V By CAP Place these Caps near Memory DDR3 1 5V By CAP Place these Caps near Memory SE AS A 1 1203 EN MM L BLMISPGI21SNID VS x e 7 BuMispci2isnip 2 A MVREFDQ z z L A MVREFCA ARR l B MVREFCA 5 B MVREFDQ E 5 EE x a 5 S9 v S o 5 8 S a 2 5 CES a sei ea s ig s ma c s tg un umo mal e se
71. e P 403 9 42pin 35V ST Yes Check the Tuner 33V Exchange the L3703 L3703 Y es Check the Tuner 1 No Exchange the IC3703 1 3703 2pin 1 8V Yes Checkthe IF P N signal No Exchange the Tuner TU3704 10 11pin Yes Check the LVDS output signal of Mstar IC No Exchange the Mstar IC101 Or Main board Copyright 2012 LG Electronics Inc All rights reserved 5 Only for training and service purposes Make sure the disconnection of Main board 3 5V circuit Exchange the Mstar IC101 Or Main board Exchange the Circuit board LGE Internal Use Only 3 Analog TV Video Check the RF cable and RF signal Yes Check the Tuner 3 L3703 Exchange the 3703 Yes Check the Tuner 1 8V No Exchange the 1 3703 3703 1 8V Check the CVBS signal No Exchange the Tuner TU3704 8pin Yes Check the LVDS output signal of Mstar IC No Exchange the Mstar IC101 Or Main board 4 AV Video Make sure the input signal type and Our TV can support the signal Yes Check the AV cable defect or status of conductor Yes Make sure the JK1604 CV BS signal Exchange the AV Jack Yes Make sure the CVBS_DET signal Exchange the R1660 Yes Exchange the Mstar IC101 Or Main board Make sure the LVDS output signal of Mstar IC Copyright 2012 LG Electronics Inc All rights reserved 16 Internal Use Only Only for training and service purposes 5
72. ering 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 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
73. i USBO DP TOW Normal 72 D2 _HDMI4 RXC2P VDD33 AVDD_DVI_USB_1 GND_73 ADII 12 bE Usp DM T L211 AVDD2P5 172mA M7 GND 74 1 19 D2 _HDMI4 R4035 22 AES RXC2N USB 1 DM AE12 BLMISPGI21SNID AVDD DVI USB 2 8 DDC SDA 4 R4036 22 DPCDC_DA GPIO28 USB1_DP SIDE_USB_DP R7 MPLL GND 75 fks DDC_SCL_4 lt __ DPCPC_CK GPIO27 gt AMP_SCL SIDE USB AVDD DMPLL GND 76 SDA 2 C269 LL C270 C271 C273 C274 GND 77 TT CR 10uF 0 1uF 0 1uF 0 1uF 0 1uF C4045 luF 19 E3 I2S_IN_BCK GPIO150 5 11 DVDD_NODIE GND_78 CK _HDMI2 I2S_IN_SD GPIO15 I 59 e 79 CK HDMI2 RXPCKN I2S IN WS GPIO149 SIDE COMP DET AVDD_AU33 e w 038 80 DO _HDMI2 Fl RXDOP B10 AVDD2PS MOD AVDD EAR33 GND 81 18 RXDON DS OUT BCK GPIO156 C gt AUD SCK AVDD25_PGA 13mA GND 82 D1 _HDMI2 RXDIP DS OUT MCK GPIOI54 AUD_MASTER_CLK ul ono Ne es VDD33 T19 i5 D1 _HDMI2 RXDIN I2S OUT SD GPIO157 gt AUDIRCH d c e VDDP 2 GND 84 xi m D2 _HDMI2 RXD2P GND_85 N WIS N13 D2 _HDMI2 R4038 22 RXD2N 7 e SUB ANDD LPLL 1 GND 86 Ni4 DDC_SDA_2 7 22 us
74. ial Erase E 380KHz USB DOWNLOAD 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 3 Show the message Copying files from memory 4 Updating is starting TV Software Upgrade TV Software Upgrade COMPLETED AETIA I ETE E EE ree The TV will restart automatically in Iseconds UPGRADING Do not unplug 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number 9 LGE Internal Use Only 3 1 55 1 Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 7 ADC Calibration EZ ADJUST 0 1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group 6 Area Option
75. l K2 A12 BC 12 K8 A13 NI A13 NI N9 M7 N9 NC RI M2 BAO N8 M3 Al Al A8 J7 A8 C1 K7 C1 D2 D2 EAN61828901 BS T 59 IC1201 IC101 EAN61828901 Fl F1 H2 J3 H2 H5TQIG63DFR H9C LGE2112 TS8 IC1202 H5TOIGO63DFR H9C 5 DDR_1 HYNIX 1 1 S7LR_DIVX lt _MS10 DDR_1333_HYNIX 19 d B A MVREFCA VREFCA AO gt A MAO All Tz B23 d dium x Ti Li A_DDR3_A 0 B_DDR3_A 0 B MAO IC1201 4 Al Pun 14 E B DDR3 PZ RANI B MAO C AO VREFCA B MVREFCA K4B2G1646C HCKO T3 19 A2 2 P DDR9 AU1 m F22 B MAI lt Al T7 2 A_DDR3_A 2 B_DDR3_A 2 GA A MVREFDQ __ gt 12 lt Al AD G22 2 lt A2 DDR_1333_2G_SS A4 A MAA4 i3 cis B DDR3 AI3 d B MA3 B MVREFDQ 2 EAN61848801 VRECA A9 A A MA4 B MA4 P7 5 5 __ gt 5 12 A_DDR3_AI4 B_DDR3_AI 4 F21 C 1 4 VSS_l 7 55 1 R1203 A MAS DDR3 AIS B DDR3 AI 5 B MAS P3 vss 2 vss 2 L 28 AMAS A MA6 14 A DDR3 AI6 B_DDR3_A 6 223 B MA6 AS R1226 vss s 240 x zi E ij P8 ss E7 cs 1 7 gt A MA7 re 7 DDR3 B_DDR3_A 7 D22 B MAG6 lt 52 VSS_4 75 VSS_4 15 gt A MA8 D24 7 C 7 240 is 55 5 55 5 B MA8 1 9 C DAMA9 AM Di
76. l Name and Serial Number write in EEPROM 5 3 Method amp notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial 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 Adjustment remote control 2 Go to the menu 5 Model Number D L like below photo 3 Input the Factory model name or Serial number like photo EDID Version HDMI V01 01 Maker 99 Adjust Check 2 ADC Data 3 Power Off Status 4 System 6 Test Option External ADC Model Number D Model Number D L 8 Spread Spectrum Model Number 0 9 Sync Level 0 GP DVB 1 Serial Number SKJY 1107 1 Serial Number SKJYITI Copyright 2012 LG Electronics Inc All rights reserved a4 3 Only for training and service purposes 4 Check the model name Instart menu Factory name displayed ex 42LD450 ZA 5 Check the Diagnostics DTV country only Buyer model displayed ex 42LD450 LGE Internal Use Only 6 CI Key Download method 6 1 Download Procedure 1 Press Power on key of a service R
77. nd such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O 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 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 thi
78. ode In In Carry the command EDID data and Automatically download Model option Download A E 10 The use of a internal download data 4 4 2 Manual Download lt Caution gt 1 Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital EDID Pin3 exists 2 Never connect HDMI amp D sub Cable at the same time 3 Use the proper cables below for EDID Writing 4 Download HDMI1 HDMI2 separately because is different from HDMI2 For Analog For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI Manufacturer ID 1E6D LGE Internal Use Only 1 HD RGB data f Vendor Specific HDMI Model name HEX 67030C001000 1012314 516 7 9 00 00 FF 00 1 60 a 10 01 03 68 AO 78 OA EE 91 a3 54 99 26 20 OF 50 54 a1 08 00 71 40 61 40 45 40 31 40 01 01 30 01 01 01 01 O1 01 1B 21 50 AO 51 00 30 48 88 40 35 00 40 84 1C 10 00 72 51 DO 20 00 00 00 00 00 60 1E 58 0 mimimimimimim gt 00 00 e e 4 5 Adjust Only LGD M S Module Why need Vcom adjustment FF FF FF m The Vcom Common Voltage is a Reference Voltage of Liquid Crystal Driving
79. on Above 5 Minutes Heat Run Temperature at 25 5 Relative humidity 65 10 Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 CA 110 DDC Adjustment Jig Service remote control 7 Push the IN STOP key For memory initialization 2 3 4 5 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 f you push Power key TV set will recover channel information by itself 3 After function inspection Push In stop key 3 Main PCB check process After Manual Insert executing 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 Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uti ity V4 1 8 PE 4 Device Load Auto B P V Restore HOCP Checksurn S Rd SUE F Start Addr End Addr UckkERE Batch File
80. on 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 infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes rer 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 Grou
81. ormally status for download OKx Abnormally status for download NGx Copyright 2012 LG Electronics Inc All rights reserved 14 Only for training and service purposes 2 Check the method of Cl key value RS232 1 Into main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 2 Check the mothed of Cl key by command RS232 ci 00 20 CMD 1 CMD 2 3 result value 101 OK 1d1852d21c1ed5dcx EN CI Key Value Data 0 L Internal Use Only TROUBLE SHOOTING 1 Check the booting Voltage Make sure the Stand by Voltage P 403 9 42pin 35V ST Make sure the Power Connector Yes Make sure the Micom voltage Exchange the L404 L404 x35V ST Yes Make sure the CLK of X201 No Exchange the X201 Is 24MHz Yes Make sure the PWR ON of P403 Re download of Firmware No 33V Yes Make sure the Multi Voltage No Exchange the circuit board P 403 2pin 24V 17pin 12V Yes Make sure the Output Voltage of IC 402 3 7 the 402 3 7 IC402 25V 1C403 11V IC407 15V 0403 33V Q Exchange the Q409 Exchange the Mstar IC101 Or Main board Yes Make sure the voltage of LVDS Power Q409 12V Yes Make sure the output of MSTAR LVDS Yes Exchange the circuit or check The LCD module Make sure the Inverter control and error P403 18pin High 24pin Low Yes Exchange the LCD Module 2 Digital TV Video Checkthe Stand by Voltag
82. s 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 2012 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 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 remo
83. s 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 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 technique
84. ua us nl BLS ile iLa LS aLa RLAZLSALS aL als SLs SLs SLs q v Gls ALS nls 1252 S q S e Y X En d Q m 54 5 Os Os as Cm D m D as m D Cd 5 5 2 Cua Ne Sn Sn Sma Se Sn Se oA Ci 10uF T xc 5 wou 8 5 5 qum m9 cmm dmm umm qmm umm qmm qmm qmm memo mm mmm Dmm mmm mmm T 109 T ou F 5 MESS E Dou 9 e We e e cl B 6 U D U U l Close to DDR Power Pin Close to DDR Power Pin as 7 eee ees Meee treet Pee 1522 2 SS MEMO rm a 1 a caste 25 IC1201 1 IC1202 1 K4B1G1646G BCH9 K4B1G1646G BCH9 DDR_1333_SS_NEW DDR 1333 SS NEW M8 N3 M8 VREFCA P7 VREFCA P3 Al H1 N2 A2 P8 A3 P2 A4 L8 R8 18 R2 A6 T8 A7 B2 R3 yn B2 89 D9 17 D9 A10 AP G7 R7 A10 AP G7 All K2 N7 Al
85. ving 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 device 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 sold

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