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Life is good 26LT660H-ZA Flat Panel Television User Manual

Contents

1.
2. e 3 3V_Normal 433v PROIDIOM 3 3 PROIDIOM PI 1 61001 1 8V_PROIDIOM TNR IC1500 AZI117BH 1 8TREI X1500 1 47 741 162 4 SOT223_3PIN 27MHz 11502 NEMISPSIOSROI L1503 6 1 10E 20E ooo Y e PLI PI LG1001 I PI 1 61001 Bonding Area EN bp ido ihm CIS21J121 C1508 CIS21J121 R1548 page 1529 5 5 R1543 onding Area 6 3V 1YO 1A0 PI LG1001 1 150 0 1uF 47 PI TS CLK cj 1 10W OPT 16V m y PKT CLK Gut HIN C1513 0 1uF 4 3 PI TS VAL 4 16V Sey L GND 1 GND 8 PKT VAL G
3. PEE ax AVDD_DDRO pepper ae ees ee et AVDD DDRI AVDD_DDRI 92 3 5 AS DRO DDR3 1 5V By CAP Place these Caps near Memory DDR3 1 5V By CAP Place these Caps near Memory AVDD DDRI SEN DDR A L1203 gt 2 MM PCIE i BLM18PG121SN1D BUM NID T MVREFDQ gt xn 1 ree 4 ee lt 2 x 3 A Ol 3 ev Ae 3 5 2 2450 525 m el E
4. For FHD 60 120Hz LVDS_SEL P703 3 3V_Normal 30Pin LVDS Connector FI RES1S HF J R1500 BAA For HD 60Hz_Normal FHD R705 RXAI RXA2 OPT ae 2 R710 3 10K 1 OPT ae 2 a 3 5 SCANNING_EN 4 5 7 R700 ads des 0 6 RXA3 8 PWM_DIM 5 37_LGD aoa 7 inis 3 3K 9 R702 10K RXACK RXA4 RXAA RXA2 RXA3 RXA3 RXA2 RXACK 1 RXACK RXAI LVDS_SEL RXAO ee RXA2 3 3V_Normal RXAO A 1 R712 RXAI 3 3K e e R711 RXAO 10K PANEL VCC BIT SEL AUO GND LGD NC FOR FHD REVERSECS8bi1t L701 555 3 120 ohm RXB4 P709 HD 10K Change in S7LR M S L LOW 8 1 1 I 4 E C701 C702 C703 BABS Pol change 10uF 1000pF 0 1uF 16V 50 16V RXB3 RXA4 OPT RXBCK RXA44 RXBCK RXAO 7 RXAO RXB2 RXAI RXB2 gt RXAI RXA2 RXA2 RXBI RXBO RXBO PANEL VCC L702 120 ohm FHD 4 e C700 C709 C710 10uF 1000 2 0 1uF 16V 50V 16V OPT OPT HHD e EMEA INTERACTIVE MODEL DATE pyps warer GHEET 7 20 Internal Use Only THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCO
5. 12V 15V ST 3 5V 3 375V gt 3 46V FROM LIPS amp POWER B D 1 PANEL_POWER 12V L23 58V gt envies sr R488 43 5V_ST 20 gt 3 51 3 76 3 59 4 24 gt 3 78 gt 3 92 3 79V gt gt gx lt 9 408 R463 3 5V_ST 0 01uF 438 ik C442 Ec ak APX803D29 UA 0 015uF C436 O 1uF 10uF New item a R402 MMBT3906 NXP 2 0 16 16V 100 POWER DET Q402 0409 gt 3 5V_ST 1 C411 gt A O 1uF 2 N C474 ANEI 16V Nu mou 1 408 1 Rol R406 if s vce eae AE APX803D29 10K TIK L407 1 R439 N 5 R401 2 NORMAL 32 NORMAL 32 MLB 201209 0120P N2 33K 10uF L m 10K P403 P404 lr 25V 4 FW20020 24S FM20020 24 1 ON MMBT3904 NXP R417 BEAD_MAG 24 red e AL 24V DK E 0 1uF OPS ie L407 R440 OPT 0 1uF PD_ 24V_PWR_DET_ON_SEMI CIS21J121 5 6K 16V 2 2K 2 2K 1 409 5 L404 1 amp 409 1 APX803D29 FSII ST MLB 201209 0120P N2 SIN opp er c 2 PD 424V 55 PD 424V 45 5 RAR0 L404 wr gt 418 4261 10K B Q407 nas 8217121
6. ELECTRONICS 5V HDMI 5V_Normal lt 9 HDMI 1 MMBD6100 D821 HDMI 1 HDML 1 R884 R888 2 7K 2 7K DDC_SCL_1 lt 1 5V HDMI 2 5V_Normal lt 9 HDMI2 MMBD6100 v D822 L 9 HDMI 2 2 R885 R889 2 7K 2 7K DDC_SCL_2 _____ _5 2 5V HDMI 4 5V_Normal R887 2 7K 2649 MMBDSI00 HDMI SIDEHDMI SIDE R891 2 7K DDC_SCL_4 L DDC SDA 4 EMEA INTERACTIVE MODEL DATE BLOLK mom SHEET LGE Internal Use Only EXT_5V R1000 0 IR_OUT_RS232C R1001 100 8 R1002 100 1000 0 33uF n SPGO09 DB 009 R1004 IC1000 155355 IK JK1000 MAX3232CDR I aur vec 3 5V_ST D1000 D1001 CDS3C30GTH 1 CDS3C30GTH 30V 30V OPT OPT 43 5V_ST C1005 OPT RINI ROUTI DINI UART TX DIN2 ROUT2 EAN41348201 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTE
7. CI SLOT Sa Rd Rd SS SS aS SS Sa SSS aS SSS SS SS aS aS Se SS SS aS SS SS Pub 45V CI ON n DATA O 7 CI TS INPUT 41860101 E uita FE TS DATA T7 1 5V_Normal CI MDI 7 1 FE TS DATA 6 C1906 P1902 CI SLOT 4 MDI 6 10uF 10067972 050LF D FE TS DATAIS 10V CI_MDI 5 lt _1 FE TS DATAIA 21903 a CI_MDI 4 lt EAG41860102 U a ARD FE TS DATAI3 CI_CD1 e P1901 OPT CI_MDI 3 FE_TS_DATA 2 L C1903 10067972 000LF CI MDI 2 lt TS 0 1uF c ja R1908 1 FE TS DATA O 100 e e MDI 0 lt 2 3 CI DATA 4 AR1901 e 3 e 4 5 2 FE_TS_DATA 0 7 CI TS DATAI4K e CI_TS_DATA 5K e 5 e SE BS EIE du ICI TS e 6 e CI DATA 7 CI lt 1 FE_TS_SYNC CI TS e 7 e R1919 A47 e CE CLMIVAL ERR t IFE_TS_VAL_ERR z CI_ADDR 10 e e 1905 10K 4 e COE CI MCLKI FE_TS_CLK ADDR 11 CI e e CI ADDR 9 CLIOWR e e x x CI_ADDR 8 l Ces ua S dass ees EC es es ee ADDR 13 CI MDI 0 e e Td ADDR 14 CI MDI 1 e e CI MDII 2 e e WE R1920 100 3 gt PCM IRQA C1905 p e e e 0 R1916 0 5
8. T aor POWER OUT 100K lt lt POWER_OUT 0 4 APX803D29 POWER_OUT R1806 1 2K O 1uF 6V 100 1 jm GND ELECTRONICS gt EXT_PWR_DET EMEA INTERACTIVE MODEL DATE BLULK EXI_POWER 19 7 20 LGE Internal Use Only x Option name of this page CI SLOT because of Hong Kong Region
9. DR R380 a lt mg C B Q303 QNIN alalalalal ala MMBT3904 NXP R358 4 7K 6 10K R373 E 5V_ST nw M m MM R381 10K 3 5V_ST 90010000000 0 B Q304 P300 MMBT3904 NXP 12507WS 06L PERE GE REE z Tok e 5 5 5 Q R374 E 5V_ST R383 BB R384 E 23 i 24 7K Bg 5 C MICOM RESET lt B Q305 R397 MMBT3904 NXP 22 4 7K TOOLO e R376 E R361 0 R398 KEYI 22 KEY2 TOOLI R362 R399 9 22 ELECTRONICS EMEA INTERACTIVE MODEL DATE BLOCK Ei 281 Internal Use Only SHEE
10. IC300 SCOG32ULTRT EPIGND GND C2 3 3V to 5V 5 ST e 9 2 2uF A 43 5V_ST WU TH 2 C301 A 2 2uF 10V C1 6 OUT 3 3V to 5V cos 3 3V to 5V IN EN uod 007 2 3 3V to 5V p 5V ON OFF R300 25 3 3V to 5V Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics 3 5V_ST 43 5V_ST A 8 A 2 1302 e 5
11. 0 DQUIO 175 7 4 1 A MDQUI 216 DDR3 DQUII B MDQUI A MDQU2 DQUI 2 DDR3 B MDQU2 i i AMDQUS a po pe B MDQU3 ENDO MPOUI A MDQU4 pe DDR3 4 B_DDR3_DQU 4 B MDQU4 A MDQUS 20 DDR3 5 DDR3 DQUISI E B MDQUS BMDQU2 ee A MDQU6 LHP DDR3 6 DDR3 DQUI6 B MDQU6 A MDQU7 DDR3 7 DDR3 DQUI7 B MDQU7 EOMDQUS A MDQUS B MDQUS lt YA MDQU6 B MDQU6 lt AMDQU7 B MDQU7 lt e EAN61836301 EAN61836301 EAN6O61829201 61829201 EANO1848801 EANO1848801 DDR_1G_1600_SS DDR_1G_1600_SS DDR_2G_1600_HYNIX DDR_2G_1600_HYNIX DDR_2G_1600_SS DDR_2G_1600_SS K4B101646G BCKO K4B101646G BCKO H5TO2G63BFR PBC H5TQ2G63BFR PBC KAB201646C HCKO K4B201646CHCKO VREFDQ m VREFDQ VREFDQ VREFDQ m VREFDQ m alia weno woos Kn Pis p ale woos ey 2 js oer vee oer ur Dus 55 vores aeg aeg vores Nee Le nee B sr Nes 7 ise gi C A M NM NM E La eon La bon e aa can Sas
12. Jarre Jeso 1360766 Jara 55 VESAWXGN roso o EN E 1600 1200 75 00 60 00 162 0 BEES UO 10 1920 1080 66 587 59 934 138 5 BEES UO Copyright 2012 LG Electronics Inc All rights reserved B LGE Internal Use Only Only for training and service purposes 5 3 HDMI Input PC DTV ______ s Tu X 3 mao m 23 o 3 mum O 4 __ ss O s mere O s wm r6 sso 765 x mms 605 sso o s wem O 1603200 90 vesae X 1 wm wo ow i mw zoe wwe 3 mum 3 4m 0 745 _ 4 wm 49 Tes _ s wm wo s _ s s 10 9 ss mer _ wm uo 745 Copyright 2012 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service
13. NAND FLASH MEMORY 43 3V N 1 NANDOIGW3B2CN6E TET i lt CHIP gt 101 3 _Norma A Boot from SPI CSIN EXT FLASH 1 LGE2112 T8 NCA fi NC_29 Boot from SPI_CSONCINT_FLASH 17 1 were 28 ECMEDISSM S7LR DIVX 510 PCM A 0 7 PCM 00 w21 NES NC 27 55 uis 126 NC 4 NC 26 PCM DI2 AB22 PCMDATA 1 GPIO127 AR101 L B PCMDATAI2ZV GPIO128 _5 1 07 PCM A 7 lt CHIP Config gt CMDATA 3 GPIO120 R107 R109 PCM DI4 fe GP4 OS IK 2 Nus 125 28 MCK PAD PWMIPAD PCM DIS Mor 119 B51 no EJ 4 b0000 Boot from 8051 with SPI flash PEM DiG ABD PCMDATAI5 GPIO118 pis 22 4 1 05 5851 WOS 4 b0001 Secure B51 without scramble 15 PCMDATAI6 GPIO117 NF_CE1Z GPIO138 F RB SB51_WS 47 0010 Secure B51 with scramble PCM A PCM_DI 7 Y a 5 _ 0 14 o gt 1 04 MIPS SPE NO EJ 4 50100 Boot from MIPS with SPI flash NF_WPZ GPIO198 p ADS MIPS_SPI_EJ_1 4 b0101 Boot from MIPS with SPI flash PCM AIO WD CEZ GPIOI37 cis gt PF NC 25 MIPS_SPI_EJ_2 47b0110 Boot from MIPS with SPI flash PCMADR O GPIO125 NF CLE GPIO136 PF CEI PF CEO MIPS_WOS 4 b1001 Secure MIPS without scramble PCM_A 1 V20 AC19 OPT NC 7 NC 2
14. ee ae ee ee Set Stand Copyright 2012 LG Electronics Inc All rights reserved ra LGE Internal Use Only Only for training and service purposes 1 102
15. 1 e e e HD N gt 1 05 VDDC 2026mA el elt E SS PHM_ON N n Z 5 5 9 9 DVB_T2 n a m o7 ag g 2 2 2 E E 5 5 5 5 5 5 5 5 5 5 CHEN 9 S E x 2 Ay oc e 2 R201 100 3 n MODET OPEO iu PT _ oPr x R202 OPT100 OLED RB N 9 M S 5 5 5 5 E e OPTI 0 Er S e S S MODEL 2 9 9 9 9 9 9 9 9 9 9 R204 100 DVB_S e MODEL 3 R4031 OFT 100 MODEL 4 1207 R4032 QT 100 MODEL 5 R4040 100 6 HALF NIM ASIA HALF NIM ASIA OPC amp SCANNING C R4039 Qf 100 e lt 7 0084 68 68 LGE2112 T8 Ec Yel x ELE LEE fee EM 1 10V_VDDC x ae M aM ee e 1 T 5 5 ose to DTV IF N orma I O W 2 V DIVX 9 2 eG 9 8288 100 C257 0 1uF 5 K12 G10 7 65 2 i e IF_P_MSTAR AVDDLV USB 2 Gi E mn Z 2 ZS 28 Em ALF 2 HALF_NIM EU_NON_T2 G4 67 HALF_NIM EU_NON_T2 3 3Y N ormal VDD33 GND 33 E ls zeal
16. DA BLULK exrsex GH 3 5V_ST R1731 22 C1714 luF 50V T IC1709 NLASB3157DFT2G C1713 O 1uF gt EAN38256201 R1730 0 EEPROM SW e I2C NEC EEPROM SCL OPT IC1710 NLASB3157DFT2G e SDA NEC_EEPROM_SDA EMEA INTERACTIVE E 20110821 20 Internal Use Only POWER_OUT 12V A EXT 5V A R1804 100K POWER OUT Switching noise reducing MPS recommen d C1803 0 luF sov POWER OUT IC1802 R1810 MP4460DQ LF Z GND 22 24V close to pin POWER OUT swt 10 BST D1800 1 4 MBRA340T3G 5 2 VIN 2 POWER OUT 2 2 e PO T C1810 C1812 EN 4 1 3 3uF O 1luF POWER_OUT 4 50V 50V POWER_OUT comp FREQ 4 0 21 7 1800 1802 1 8W 18K 150pF FB GND 1 ee a 50V POWER OUT POWER OUT L1800 R1802 R1816 R1817 CB3216PASO1E m 150K 270K K AP POWER_OUT 1 16W 1 16W POWER OUT POWER OUT OUT 1 1 POWER OUT L1802 C1806 POWER OUT REWER 22UH 22uE C1807 20K 25V O 1uF 1 16W 50V 1 12V POWER_OUT close IC1800 POWER IC1800 POWER_OUT 10K TPS54327D
17. 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 234 Device Load Auto B P V Restore HOCP Checksurn S Rd SUE F Start Addr End Addr UckkERE Batch File Time USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes ze Seja Dis Con _ oMStar ISP Utility V4 1 6 A gt Restores i Use USB E2PROM Device Setting I2 Pin Definition n x Communication Setting 1 Speed 74 14 H gt EA 50 SCL out 5 Roughly Speed 450 KHz PIN PINIO Reverse High SPI Setting lt lt lt 21 Auto Detect USE SPI 7 pin 1 switch UART I2c Se 2 99 Pull all Pin High gt Elapsed Time USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz
18. Lavos 4 91 0 OQIN L V 31 91 0 0O INL 9 Buffer joog 104 se J doe IZIN390081SZ2XIN OL 10 3138 SGAT Od Z olyaav L 0olviva 51 12 Slot 4 0 1 51 d Pro ldio lolvivd Sl 34 Lyd 0 V1 VG 1 Id LGE Internal Use Only ET 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 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 ia A um DT M lt 7 1 a Yo 7 NM Y TELL _ Stand Base Body A a ee me i ae VR ee ee
19. K North Latin America http aic lgservice com Y Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED LCD TV CHASSIS LD2AY MODEL 261 660 26LT660H ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67368105 1208 Printed in Korea CONTENTS CONTENTS qc 2 SAFETY PRECAUTIONS d Ui 3 SERVICING PREGAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 BLOCK DIAGRAM 16 EXPEODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM 21 Copyright 2012 LG Electronics Inc Alll 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 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 manufactu General Guidance A
20. cai i NON ASIA TU ee 50V R1423 R1414 B 01401 O 1uF should be guarded by ground ASIA TU 2K 1K c MMBT3906 NXP SHIELD 16V 1 2V 1 8V_TU L 3 3V_TU R1422 R1425 AZ1117BH 1 8TRE1 R1400 ASIA_TU ASIA_TU IF_P_MSTAR 1401 C1413 JL R1419 0 1uF 1 R1420 7 e IF MSTAR 16V 1 10W obi A PT Close to the tuner N a C1416 C1417 1 should be guarded by ground 10uF 2 No via on both of them 10V 3 Signal Width gt 12mils Signal to Signal Width 12mils Ground Width gt 24mils TU1400 1 TU1400 2 TDSS H101F TDSS G201D SI2176 ATSC IINPUT 5 2156 DVB IITNPUT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE 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 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 3 3V_Normal BUFFER LINE DRIVER 3 32V PROIDIOM
21. INV_IN2 INV_IN3 1615 10K 1K gt COMP2 DET OUT2 OUT3 OPT D1613 T 5 6V 200pF 7 50V G cm iin ms ei is cm cis 0 o r ca Lm asa Q 3 3V_Normal Full Scart Compl EXT SPK EU_OPT R1659 R1613 Ree Cds i EXT IN 1oK 6 14 IN Pe 2 DTV MNT OUT e SCI COMPI DET EO EXT SPK OPT CI 44 o 1646 1607 PT 33K D1611
22. L228 A 5 18 onp ES BA R BLM18PG121SNID 100 ET COL LEDO GPIO55 OPT e e R298 C200 0 4 7 T 4071 4062 10V R217 20 Tu n 10 4 T6 R210 33 231440 047 MARG OPT ARCO HDMI R200 2200 R20 C201 HWRESET SOC_RESET KDS181 PETS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE 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 2 20 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MICOM MODEL OPTION 3 5V_ST A x kc 2 08 oz Z e e e MODEL 0 e MODELI 1 e MODEL 2 MODEL OPT 3 ER Se E Oo Or e e e x MODEL OPTION PIN NAME PIN NO HIGH LOW MODEL O 80 OPT OPT MODEL OPT 1 79 OPT OPT MODEL OPT 2 78 NON CLOCK CLOCK Step Up regulator 3 3V to 5V MAX 2504 3 3V to 5V
23. 4A 0 165 Vout 1 R1 R2 0 765 5 03V V out 0 827 1 R1 R2 1 225 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET SECRET MUDEL GP4_MSTAR DATE 2011 08 21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics LI POWER_LARGE T 4 20 LGElectronics Internal Use Only T1 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes AMP_RESET 1 SS GUS 3 3V_Normal 30 T gt o ES 24 5 1 502 3 AS ai R507 5 3 3 BLMISPGI2ISNID o oo ass 24V 24V_AMP A C519 I C521 pre p C515 lt 0 1uF 10uF 0 01uF C514 10uF lt lt 50 50V 35V Tay L501 0 1
24. z2 ipa CI TS DATA 4 d Eb a n o 4 a T ag R1508 22 4Y1 4Al 3 27 org Od geo 52 af 8 s 4 PI_TS_DATA SK TS DATAIS m TI ar 5 sf sf sf sf uu 4 lt 5 Q 9 9 9 9 GND 4 GND 5 5 0 U 9 U 9 U 9 U U 9 U 9 U 4 2 4 2 T E aen RES R1509 22 a EX M 290 eee PI TS DATA 6K p CI_TS_DATA 6 wn v vy v PPP R1510 22 OO ol CI TS DATA 7 e e e e e 43 3V PROIDIOM E gt am e sse m nes t tit H H 25 4 8 8 88885818188 gt 2 25958 clo clo U U Z Z Z Z Z R1527 9g g88g g5 566666666 6 6 6 6 00 00 0 000009000 9 868 0 0 5 2 4 7K 3 m guum 5 Bonding Area or INNER LAYER PI_EN M CLKI n E 104_34
25. 3 3V_Normal 3 3V_CI 3 3V_CI I CL SLOT IC1901 TALVCIG32GW i L1901 s ros au BLMISPGI2ISNID 1908 1917 e e E 0 luF ab lis 16V 10K 1 l 0 44 R1907 PCM DI0 C1901 R1915 Z C1902 47 e gt DET ODE 2 812 u o Sparc gt PCM_DI3 R1918 E lt 47 gt 1 BR ee d CL DATAI4 44 R1908 PCM DI4 YL CI DATAISI PCM DI5 MEER aa I CI DATA 7 PCM D 7 CI POWER ENABLE CONTROL i PCM DI0 7 i CI DATA 0 7 45V CIL 5V_N 1 Q1902 A AINA keo 1 PENI 1 81 ain e ADDR 9 lt PCM 91 CI ADDR 10 X PCM E1907 C1910 R1923 1912 a i 0 1uF 10K mmo CI ADDR 11 C 1 _ 11 C1911 16V OPT 16V R1914 74F R1912 22K TeV 10K ARISI3 12 lt PCM_A 12 CI ADDR 13 1 _ 13 ADDR 14 C 1 PCM 141 R1922 REGO PCM REG 2 2 R1913 10K B 1901 I AR1909 PCM 5 e Q E 33 MMBT3904 NXP CLOE C R1924 B CL WE WE
26. ae l D1604 R1608 75 20V 75 EU EXT Sek R1673 in R1665 33K EXT SPK 33K EU OPT Tue 2 EXT_SPK l 1668 C1614 EXT_SPK gt C1_G COMP1_Y 1655 C1655 L 33pF 22K D1605 2 2K 33pF e C gt EXT R IN PPJ 230 01 20V R1604 DTV MNT OUT 7 JK1601 10pF 75 EU OPT EU_OPT OPT COMPONENT R1623 C1645 22 R167 1661 15K 10uF 470K l 470K Seip 16V a EU_OPT EU_OPT gt sc1_B COMPI_Pb lw 01606 i 120v R1605 IUBE 10pF 75 E pc rcr cpu R1617 Y SCI COMPI IN NON EU L1604 007 R1606 120 ohm 1611 R1630 l 5 6V 470K 330pF 12K 200 50V a SCART AUDIO MUTE JK1602 R1618 e e NMA 5 REN m SCI COMPI IN 43V ST D1609 120 ohm C1612 5 6 R1631 200 251007 1 12K DTV MNT_L_OUT lt a EU OPT EU OPT R1652 01607 MMBT3904 NXP C EU_OPT EU_OPT MMBT3906 NXP R1648 01610 gs c W DTV MNT 1 OUT E oJ SCARTI MUTE D1608 EU OPT EU OPT U OPT 4 1 ii EAT L1601 C1609 C1618 DTV MNT_R_OUT lt __ EU_OPT 200pF BLMISPGI2ISNID 1000pF 4700pF EU OPT s C1636 50V 01608 0 1uF zi MMBT3904 NXP B 2K 6 2 t DTV MNT OUT Ss D1601
27. CLIORD 7PCM_IORD ale CLIOWR 7PCM_IOWR mm a m Em mm Hm mm mmm mm Em mm mmm mmm Hm Hm mmm Hm mmm Hm m Em Hm Em mmm Em m Em Hm SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL DATE 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 THESCHEMETIC LGElectronies ELECTRONICS BLULK rever SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes SIMD GASKET 9SVD SVD CSVD X LON Od ISVD 1 VOCOTLTCOSCIIA SVO LSS Tx 9SVD VOCOTLC9SCAUW SVO 1 Tx SSVD SVO 165 5 9 SVO LSS I SVD VOCOILTCOSCIIA SVD 166 Ix cSVvoO SVD 166 Tx 15 VOCOTLTCOSCIIA SVD Cx LSVD COLTCOSCIHA SVO LOL Cx 9SVD SOCOTICOSCIIA SVD LOL C SSVOD SVD LOL VSVO COTLTCOSCIHA SVO 167 SOCOTICOSCIIA SVD 167 Cx TSVD SVD 162 Cx 15 COTLTCOSCIHA SVD 162 COTLTCOSCIA SVD 1 8 Sx 9SVD 60c0 T IC9SCIHA SVD 168 Sx SSVD SVD 168 Sx COTLTCOSCIA SVD 168 Sx tSVD 60c0T IC9SCIHA SVD 168
28. C4067 4068 x Gs 2 o o 100 VEDCI 34 R289 100 C258 0 1uF L204 VDDC 2 GND 35 F_NIM EU_NON_T2 IM EU NON T2 T NEN K10 ppc 3 GNp_36 pe HALF U_NON_ C4069 e a x G17 ee 100 Bl Bl VDDC_4 GND_37 IC101 e THALE NIM EU NON T2 _ 5 E 38 LE Ana ee gt e P e 52 MI2 FA GNE G19 EE r i 0 40 250 0 1uF R4002 47 aay en 3 3 315 S 5 2 N12 Sopes onpa ET S7LR_DIVX_MS10 C251 0 14 R4003 47 7 5 5 U Q C DIO 14 VICIS H12 Ee EHE I2 ACA El e e P15 GR A5 H13 ADS ANALOG SIF o s ee 13 Dua K3 Close to MSTAR 2 Ria 44 His a eet tes See ais GND_45 11 Ris _12 us e K2 AE3 3 3V_Normal Tio 5 one HDMII VDDC 14 GND 47 Kl HALF_NIM EU_NON_T2 1 208 Hus D1 HDMII gt 1397 BLMISPGI21SNID 48 D24 HDMII BLM18PG121SN1D SER e GND 49 D2 l gt TIE 240 C241 P10 VDDIPO so Bog e
29. EU_OPT 5 6 BLMI8PGI2ISNID 1610 A700pF 200 p 1000pF SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE 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 L SECRET _ THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics LG ELELTRONILS BLOCK Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 400mA 5V_Normal A 5V_SUB_AMP A 5V_SUB_AMP EXT_SPK A L1704 BLMISPGI21SNID TS EXT_SPK EXT_SPK EXT_SPK C1700 C1701 22uF IC1700 16V TIPA6011AAPWPRG 4 PGND 1 ROUT gt EXT_SPK_R EXT SPK EXT SPK R1711 R1714 ROUT SE BTL 100 1K EXT_SPK_R lt 1 EXT_SPK PVDD_1 HP LINE EXT_SPK T UNE e R1708 EXT SPK 0 R1712 o RHPIN VOLUME 3 3K 43 5V ST C1702 luF 10V RLINEIN SEDIFF EXT_SPK EXT_AMP_R_IN 11 e R1718 EXT SPK EXT_SPK 4 7K RIN SEMAX 100 EXT_SPK E VDD AGND R1715 e 10K R1719 SUB MUTE LIN BYPASS Q1700 EXT SPK OPT E MMBT3904 NXP C1709 1 EXT SPK R1716 LLINEIN FADE luF 100 EXT_AMP_L_IN 25V C1703 luF SS 10V LHPIN SHUTDOWN EXT_SPK PVDD
30. Established B Power error when on off while viewing power auto on off Revised date a A22 713 Check A C cord Check Power Off Y Starus instart menu Replace gt Replace Power B D Check for all 3 phase power out Fix A C cord amp Outlet and check each 3 phase out If Power Off mode Check Power Bil Check Power B D Replace Main B D voltage Caution Check and fix exterior of Power B D Part Replace Power B D Please refer to the all cases which Status Power off List Explanation can be displayed on power off mode POWEROFF REMOTEKEY Power off by REMOTE CONTROL POWEROFF OFFTIMER Power off by OFF TIMER POWEROFF_RECEND Power off by End of Recording Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established cro C Audio error ae symptom No audio Normal video SA24 w A25 T Check user Check audio Screen normal oltage Speaker off Power Board 99 Replace Power Board and repair parts Z N Check Disconnection Replace MAIN Board Speaker disconnection Y Replace Speaker LGE Internal Use Only Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes Standard Repair Process
31. R241 33 C222 0 047 V1 AES 4 7u gt 0 14 10uF 7 5 ND 1 15 5 R242 68 223410 047 WS AC6 a S Tby 3 5V 17 Anson un C224 1000pF WI F18 U12 e GND 122 xS pem Jmm jo m AAG L203 5 6uH HEAD PHONE HA Our Ger kalo 5 F19 onp AB6 L205 5 6uH HEAD PHONE E L206 AVDD NODIE 7 362mA G8 014 q R244 33 C225 0 047uR AAS inis L gt HP RO J er BLMISPGI2ISNID e GND 124 5 TU_CVBS e E IT A e GND 125 R245 33 C2264 2 047 YA C268 C272 Pm e N22 onp 126 EU E 2 CVBS IN R246 33 pos Co ee 0 1uF en N21 017 ET RXD O RP GPIO60 B 10V IOV ENE L207 NUT GND 127 Fa H l TXD 0 TP GPIOS HEAD PHONE HEAD e NE GND 128 55 2 umm e GND 129 AAA A6 M21 10 Q e GND 130 xe ET_RXD 1 RN GPIO63 SOC RESET _ 5 210 Xd ET_TXD 1 LED1 GPIO56 e Ba GND_131 75 VOUT c q V GND 132 BT TX CLK TN GPIOS9 3 3y Norma SW200 RSDS Power GND 133 JTP 1127WEM 1000pF R252 68 C233 0 047uF C3 1127 WI6 17 s ET_TX_EN GPIOS8 Bs MIUVDDC e T GND 134 17 ET_MDC GPIO61 e GND 135 d tat i hot Close to MSTAR mi
32. Sx CSVD SVD 16 S ISVD COTLTCOSCIIA SVD 1 8 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION 20 2011 08 21 20 GP4_MSTAR SMD_GAS EMEA INTERACTIVE MUDEL C LL SECRET GElectronics THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LGE Internal Use Only Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes LG Life s Good 1 Trouble Shooting Contents of LCD TV Standard Repair Process Error symptom High category Error symptom Mid category A Video error Video error video lag stop _ Vertical Horizontal bar residual image light spot external device color error B Power error Off when on off while viewing power auto 7 on off Wrecked audio discontinuation noise No response in remote controller key error 10 recording error memory error Audio error 10 D Function error External device recognition error Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 11 12 13 Standard Repair Process Establi
33. 1662 R1865 1645 good 16V EU 470K EU_OPT_BCD 470E R 200pF 11606 0 n BU oer SBU IC1601 us COMPONENTI EU 3684 AS324MTR E1 EXT_SPK C1605 EU EU 1625 1647 1611 MIME TS 470 0 1uF 0 1uF CLOSE MSTAR CLOSE TO MSTAR Q1601 e SOV 50V mu OUTI OUT4 Ce sun amas SC1_SOG_IN x E EU Er EM IN1 IN4 EXT_SPK EXT SPK gt 5 CVBS IN EU OPMBE3904 NXP EU OPT R1643 R1653 C1606 v 220K C1608 C1621 EU_OPT EXT_SPK 220K 330 EU EU R1622 B RI657 RI649 P Died R1609 C1604 220pF 390 47uF 12V 15V IN1 IN4 SEE 47 50 25 b 1644 9 d 20V 75 pes SCARTI Lout EXT 10pF E e DTV MNT_VOUT E EU 1635 GND 390 e H OPT EXT_SPK Re EU_OPT ds uus 1658 l D1610 EU EU Rg EU_OPT R1642 R1637 0 5 6K IN2 IN3 5 6K D1603 20V RI628 C1620 RI639 15K 50V SCARTI_Rout 120v 10pF 100uF Gain 1 Rf Rg EU EXT_SPK EXT_SPK e 10pF OPT 16V ulis 53982 R1669 461613 p gopr 2 91 gt SC1_R COMP1_Pr mag 52627 E mr
34. TX GPIO47 TSODATA 7J GPIO84 TS_ nye 4825 MODEL 7 A8 ee 15 1 O7 NC_5 1 O7 NC_5 I O8 NC 5 1 O7 PI LVAOP UART3_RX GPI E6 AB23 ACIS C FE TS VAL ERR gs GPIO37 LVAN c 4 355 935 TSICLK GPIOS8 15 RU CANO 1 06 NC_6 1 06 NC_6 707 6 1 06 GPIO38 LVAIP SYSTEM HDCP SCL C ES p24 2C_SCKM2 DDCR_CK GPIO72 TS1VALID GPI96 c c re A EEPROM amp URSA3 Be SDA I2C SDAM2 DDCR DA GPIO71 TSISYNC GPIO97 1 05 R B 1 05 RY BY 1 06 R B 1 05 gs 9 LVAIN Paps cem s E LL RE RE DOS RE een sm R138 22 D2 ADI6 FE TS DATAIO Internal demod out GPIO41 LVA2N RGB_DDC_SDA DDCA_DA UARTO_TX TS1DATA 0 GPIO88 CE CE CE P7 Gpio42 RGB DDC SCLC RII pay P DDCA CK UARTO TSIDATA E DALALI NC 25 CE NC 25 CE NC 25 CE NC 25 E7 AC23 m T E 14 FE_TS_DATA 2 p 621045 LVA3N Lic TSIDATA 2V GPIO90 FELTS CEA STLR DIVX Net NEE Ne 7 NC_24 7 Nes GPIO46 LVA4P TSIDATA_ 3 GPIO91 GPIO49 AAI ae PWMO C 1 O GPIO66 TSIDATA 4 GPIO92 eae PI LVAAN PWMO GPIO6 NC 23 NC 8 NC 23 NC 8 NC 23 NC 8 NC 23 N23 22 Hisce ADI2 TS DATAISI 2 1 2 1 2 1 2 A us LVBOP mee PWM lt n SE FESS Peele 7 LV
35. e RGB_DDC_SCL e e SDA C1127 C1128 R1141 18pF 18pF R1143 50V OV 22 OPT D1116 ur D1109 C1126 D1113 S DEA 1 5 6 68 1 20 1 20 1 5 200pF 50V 10pF 10pF 200pF OPT P OPT zi o zum 21110 R1133 1 20 75 10pF RGB_ZENER e e e e R1135 D1111 75 lo 10pF e RGB_ZENER 3 3V_Normal A R1146 R1147 1K e e D1117 D1112 JD R1137 5 6V 20 200 75 _ 10pF RGB_ZENER ake lt 9 188 8 Oy ge A 8 es au gt DSUB DET JK1102 PEJO27 04 AUDIO E SPRING TERMINALI gt PC R IN R1107 B TERMINALI 15K e SPRING n C1107 oU 21102 Pu de 50V 470K T SPRING P R1108 B_TERMINAL2 15K T_TERMINAL2 D1102 C1108 lt R1103 BIG 5 6 100pF gt 470 10K 200pF 50V gt IN EMEA INTERACTIVE MUDEL DATE BLOLK nrerrace SHEET 2011 08 21 LGE Internal Use Only
36. e UE C1909 CI MDI 4 OPT e e 0 1uF MDI 5 e e ENS CI HOST I F CI MDI 6 e o CI MDI 7 e e ADDR 7 an 7 CL_ADDR 4 REG e e CI ADDR 3 R1925 33 CLK e VW vaa e e ADDR 2 i CLTS VAL R192 e e ADDR I1 l CLTS SYNC R1227 33 e ADDR 0 DATAIO e e CI_ADDR 0 14 CI TS lt 1 e DATAI2 TS DATA 1 C M TS DATA 2 C 5 e TS DATA 3 5 E i AR1903 229 i amp e CI DET CD2 9 1997 100 274 IC1902 1 1913 O 1uF gt 5V_Normal 16 1914 12 50V Lu i R1904 I 01 MANN CLOSE TO MSTAR 10K C1904 OITO742440D 0 1uF TE T eV i ADDR 7 C 3 gt ADDR 0 1A2 2A4 CI_MISTRT _ PCM A 7 MIVAL ERR 1Y2 CI_ADDR 6 3 m gt 1 CI MCLKI P ney ey ps a 2A3 PCM_A 2 2 _ 6 1Y3 I CI ADDR SK 1 gt CI ADDR 2 2 2 PCM A 3 PCM A 5 1 4 umm CI DETECT CL_ADDRI4K gt ADDRI3 EE 2A1 PCM A 4
37. symptom C Audio error rid Wrecked audio discontinuation noise Revised date 9 13 abnormal audio discontinuation noise is same after Check input signal compared to No audio Check input signal RF External Input signal When RF signal is not received Request repair to external cable ANT provider In case of External Input signal error Check and fix external device Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes A25 Check and replace Check audio speaker and connector Y orma Replace Main B D oltage N Replace Power B D Replace Main B D N Connect and check orma other external audio device Y Check and fix external device B Voltage 20V or 24V LGE Internal Use Only Standard Repair Process ETE D General Function Problem Established LCD TV date symptom Remote control amp Local switch checking Revised date ERN 1 Remote control R C operating error Replace A27 Main B D 257 A27 Check RIC itself ee ee Check 3 5V Check IR Y Cable connection i J J On Main B D Output signal Connector solder aAA Check 3 5v on Power B D Repair Replace Replace Power B D IR B D Check R C Operating When turn off light in room Replace Main B D Power don t have problem If R C operate Explain the customer caus
38. 14 NC 17 NC 14 NC 17 NC 14 NC 17 PIO196 555 1 9 22 T21 een GPIO193 751 PI_SCL lt 155 5 12 203 poe NC_16 NC_15 NC_16 NC_15 NC_16 NC_15 NC_16 ario194 PI SDA SPI2 DI GPIO204 GPIO195 GPIO196 GPIO193 GPIO194 GPIO195 IC101 DIMMING I2C 3 5 ST LGE2112 T8 A A R156 10K AMP_RESET GP4 C7 AB25 ADM e EWMO 2 lt 2 9 2 guo 142 9M 1036 LVAOP gt R157 100 95 ZMS UMS WE ZMS 4S Zo Bus MA 5V DET HDMI 1 ps GPIO37 LVAON gt RXAO lt E E 5 DET HDMI 2 GP1038 LVAIP gt RXAI EEPROM_SDA 5 DET HDMI 4 gs GPIO39 LVAIN A55 RXAI cres SCL CVBS DET ps GPIO40 LVAD Fo gt RXA2 2 2 u F SENSOR_SDA DSUB_DET GPIO41 LVAN s gt RXA2 SENSOR_SCL SCI COMPI DET 1042 cos SDA HP DET pg GP1045 LVAN Lic RXA3 SCL OLP lt gt RXA4 a J applied on only SMALL 91946 LVA4P AD23 PI_SDA TUNER_RESET lt GP1049 gt RXA4 PI_SCL MODEL OPT 0 25 A9 GPIOSO V23 MMC EXT SPK DET FA 1 51 U24 gt RXBO MODEL 1 C gt RXBO R172 OPT 921052 LVBON SENSOR_SCL F o 12C SCKMO GPIOS3 LVBIP 5 C g
39. 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 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 t
40. Patten Control EZ ADJUST Press 9 to hide OSD ool Option ool Option2 bes Option4 Him Test Pattern Pattern Control Red Press to hide OSD Di 0 Carat IU Test Pattern 18 5 0 1 S 4 5 Mea 6 n 9 D 4 Patter Due Patten Conto Black Press to hide 050 Press to hide OSD You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN 4 Video error Classification of MODULE 1 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange T Con Board 1 Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect Short Crack Abnormal Power Section Solder defect Short Crack A 1 5 Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange T Con Board 2 Abnormal Power Section Abnormal Power Section Solder defect Short Crack d ix SC Ana VE Solder defect Short Crack Fuse Open Abnormal power section Abnormal Display GRADATION GRADATION Noise A 2 5 Copyright O 2012 LG Electronics I
41. 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 removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Mi
42. 02 C112 PWMI PCM A 14 17 13 PMI4 L6 OPT R135 22 PM_RXD GP4 PF_WE 100pF e 4 106 PM_UART_RX GPIO_PM SV GPIOI1 gt mias da MST NEC RX 4 WP P iof PM SPI SCZI GPIO 6 14 1 ene bs R106 11 1 00 en PCM_REG PCMREG_N GPIO123 GPIO PM 7 GPIO 13 gt FLASH WP IK M LB SASM GPIO PMI8I GPIO14 SIDE HP MUTE GP4 B Q101 NC_12 NC_19 Mr M 15 5 R114 22 PF_WP e KRCIO3S EFE OEC 1 gt PCMOE_N GPIO113 GPIO PM 9J GPIOI5 c PANEL CTL GP4 OPT NC 13 NC 18 Q PCMWE_N GPIO197 PM_SPI_SCZ2 GPIO_PM 10 GPIO14 3 PM MODEL 0 E 2 AD22 M4 OPT R142 22 5 45V lt PCMIORD_N GPIOI11 GPIO_PM 11 GPIO17 AMP_MUTE GP4 _17 E PCM IOWR 7 PCMIOWR N GPIO109 Ad efe ys ats im NC 15 NC 16 2132 ia PM_SPI_SCK GPIO1 D3 gt SPI SCK 9 PCM PCMCE_N GPIO115 PM SPI CZO GPIO PM 12 GPIO e SPI CS e 20 2 PCM IRQA e vis N GPIO105 PM SPI SDU GPIO2 SPI_SDI 10K PCM_CD yor PCMCD_N GPIO130 PM_SPI_SDO GPIO3 SPI_SDO L oL I oW XL xL IW Ww GIL LL ee Sc PCM WAIT Y35 PCMWAIT N GPIO100 for SERIAL FLASH PCM RSTC l cios Icio PCM RESET GPIO1
43. 15 used for R490 lamp CCFL EEFL models In other words LED models need not use Vout 0 8 C1 RI1 R2 1 5319 To LED DRIVER FOR LPB MODEL P405 i j 5 7 53 7 12507WR 08L 3 3V_Normal _ mm A 2 5V_Normal 1C402 TJ3940S 2 5V 3L VOUT R408 300 mA 33 EEPROM_SCL 1 peers e EEPROM SDA mee C403 C440 FOR LPB MODEL 10uF 0 1uF R493 10V T 16V SZLR core 1 2 volt 3 3V_Normal 71 R428 447 412V 415V 5 B 1 E V S C441 LI 3 5V_ST ood 0 1uF j S 3 3 Normal A E 1 10V_VDDC OLP 2000 E LA13 5 8 405 1415 Not used 10uF LL 257 VIN PH 3 only for small ready IC401 e e e 05 ru E TPS54327DDAR EP GND C430 C431 VIN 2 PH 2 NR8040T3R6N 444 1008 0 1uF C453 C456 R413 T 10v 16V GND 1 1C403 PH 1 22uF T 22uF 16V R410 5V_Normal 10V 10V mu EN VIN USR re TPS54319TRE ss rg C488 1 8 R400 RI C413 3300pF E 0 R416 R411 0 1uF mu EBCCORE 11K VFB 2 7 VBST ind 2 SUMI 2 2 2 5 R432 VREGS 2 sw 3 6uH lt BH 8 1 16W 330K 5 6 e TE 8 an E e R436 NR8040T3R6N C420 C492 RAS 3300pF R423 SS fa aoe 22uF 22uF ne 12K 16V 16V 50V 196 C494 C493 OPT luF 3300pF R2 T sov
44. 74_LX1G14CTR U Q 2 gt gt is Q R352 47 2 2 5 a C309 BU300 3 5V_ST Q SW300 2 PKLCS1212E4001 R1 A JIP 1127WEM d a 2 1 X300 lt 1 A 7 2 2uF 4 3 2 10V L 2 e 2 og n 3 E 22 Z 2 E 2425 5 A SIGN190368 c 2 9 1l EM 5V_ST 2 R348 gt S E on 3 5V_ST 1 5 H L302 A BLM18PG121SN1D T s X AY e e e 5 Q306 307 310 ol 918 5 5 x 25 Z 25 1502 25 1504S R308 04E 2300 E 523105045 R310 R312 2822246 4 7K 4 7K amp RE REIR RA B B B B B o G E R336 22 P40 SCLO P140 PCLBUZO INTP6 CLOCK MODELI 0 R337 22 P6l SDAO0 gt P141 PCLBUZI INTP7 CLOCK_SDA MODEL1_OPT_1 2 5 P142 SCK20 SCL20 P63 4 P143 SI20 RXD2 SDA20 R365 22 TE NEC DBG RX R313 22 P31 TIO3 TO03 INTHA4 P144 SO20 TXD2 R366 22 NEC gt NEC DBG TX Pe4 RD 6 P145 TIO7 TOO7 P65 WRO 0 00 R367 22 OPT R315 22 P66 WR1 PO1 TOOO R368 22 5V ON OFF 8 SUB MUTE P6T ASTB IC 3 O 1 P02 SO10 TXD1 CANT R316 22 P77 EX23 KR7 INTPI PO3 SILO RXDI SDA10 369 22 ON OFF lt 71 EEPROM SDA P7
45. 84 iT D24 HDMD He axpop N 85 a H3 EE WIS N13 D2 _HDMI2 R4038 22 R6 RXD2N e WI9 ANDD LPLL 1 86 N14 DDC_SDA_2 R4037 35 Ug DA GPIO30 AVDD LPLL 2 87 xis DDC SCL 2 lt 1 ps DDCDD CK GPIO29 125 OUT WS GPIO155 AUD LRCK D 0 1uF vi GND 88 NIG VDD33 HPD2 a HOTPLUGD GPIO22 ae peak VDDP_NAND 89 xi S7 CEC GPIOS m ss i NES BLMI8SGI2ITNID 90 SC1 COMP1_L_IN GND 91 nox SC1 COMP1_R_IN l AVDD MIU e 717 ppRo D 1 92 R4027 510 P2 Y9 mi Close to IC with width trace 15 P8 l R4025 340 R3 AAO j 2 xis D 2 R228 33 C204 p0 047uF N2 AAT e onp os NB R229 68 C205 p0 047uF P3 8 gt 96 R230 33 C2065 0 047uF 1 Y8 C242 2 2uF e K17 P13 14 DSUB_G COMP2_L_IN e AVDD DDRI D 1 GND 97 4 R231 68 20710 04706 _ NI Y10 C243 2 2uF COMEDOR IN OS DDR3 1 53 e LT 1 2 Gp 219 R232 33 C208110 047uF MB C244 2 2uF YPD DDRI_D_ 17 DSUB_B T PC_L_IN AVDD DDR1 D GND_99 l R233 68 c22 M2 AD7 C245 T 2 2uF PC R IN HET AVDD DDRIC GND
46. 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 Ground 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 Be
47. PGA GND 68 15 1 o 0 uF AWSS lt AVSS GND 69 78 4 RXCON zi GND_70 155 1 HDMIA Apio 0580 f gt xe AVDD NODIE AVDD_NODIE 71 1515 D1 HDMI4 Agir RXCIN USBO DP T GND 72 Hi 2 Api RXC2P 12 AVDD2PS MOD VDD33 VDD DVLUSB 1 73 115 D2 _HDMI4 RXC2N USB1 DM SIDE USB DM AVDD DVI USB 2 GND 74 R4035 22 AES AEI2 L229 AVDD25_PGA 13mA M8 DDC_SDA_4 R4036 22 DPCPC_DA GPIO28 05 1 DP SIDE_USB_DP BLM18PG121SN1ID R7 AVDD3P3_MPLL 75 s SCL 4 27 L SIDE USB e AVDD_DMPLL 76 HPD4 HOTPLUGC GPIO21 cd a 0 1uF 77 SCL C4045 luF _ M19 P3 125 IN 150 5 5 16V DVDD_NODIE 78 HDMD I2S_IN_SD GPIO15 SDA GND_79 As CK _HDMI2 RXDCKN 125 IN WS GPIO149 2 DET AVDD_AU33 eo AVDD_AU33 GND_80 1 HDMI2 RXDO GND 81 E F1 B10 AVDD MI8 HDMI2 c RXDON DS OUT BCK GPIO156 gt C gt AUD SCK AVDD25_PGA 545 GND_82 D1 _HDMI2 G RXDIP DS OUT MCK GPIOI54 AUD MASTER VDD33 T19 D1 _HDMI2 RXDIN 12S_OUT_SD GPIO157 gt AUD IRCH L219 e VDDP 2 GND
48. R601 30K IR OUT SIDE HDMI R602 30K R612 100 KEY lt e SER e R613 L601 100 BLMISPGI2ISNID KEY2 lt e SER 1 C600 1 C601 2600 2601 O 1uF O 1uF 7 5 6V 5 6V ile 200 200 3 5V_ST 2 L602 BLM18PG121SN1D 3 5V_ST TR 2 R614 3 5V_ST C602 C603 as 4 Oe En 22 R623 3 5V_ST NEC IR e e 0607 R625 28 3052 47K OPT R624 OPT ATK e 2 525 C606 5V_ST 2883052 1505 7550 R615 50V 5 48VTO5 76V R629 0 1 5K 2 R607 LED R BUZZ 10K R630 R603 10K R616 Q603 10K 2883052 C5V ST A OPT R626 100 SENSOR_SCL R609 R604 10K C607 ZD601 e E 5 48 5 76 R617 Q604 10K mod 28 3052 100 9 SENSOR_SDA 1 Q600 C608 ZD602 28C3052 dod 5 48VTOS 76V I OPT De 5 ST A R61 R605 10K 22 R618 Q605 10K 28 3052 Q601 2883052 5V_ST R611 R606 10 22 R619 Q606 10K 28 3052 Q602 2SC3052 SECRET LGElectronics ELECTRONICS P601 12507WR 10L EMEA INTERACTIVE MODEL DATE BLULK SHE E T LGE Internal Use Only 51Pin LVDS Connector FOR FHD REVERSEC1 Obit Change in S7LR Pol change
49. by SVC remocon Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking 4 6 HI POT Test 4 6 1 HI POT auto check preparation Check the POWER cable and SIGNAL cable insertion condition 4 6 2 HI POT auto check 1 Pallet moves the station POWER AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 HI POT test Auto f Test is failed Buzzer operates f Test is passed GOOD Lamp on and move to next proc ess automatically 4 6 3 Checkpoint 1 Test voltage Touchable Metal 3 KV min at 100 mA SIGNAL 3 KV min at 100 mA 2 TEST time 1 second case mass production 3 TEST POINT Touchable Metal gt LIVE 8 NEUTRAL Touchable Metal SIGNAL gt LIVE amp NEUTRAL SIGNAL LGE Internal Use Only 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 Product Service info menu key gt red key gt select product Service info 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 Data Write data CS CMD LENGTH ADH ADL Data 1 Data n
50. cf work instructions 1 TV 2 AV 3 COMPONENT 4801 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 11 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 CH14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control 0 269 0 002 0 002 lt Test Signal gt X 0 285 0 002 Inner pattern 2 Y 0 293 0 002 204gray 80IRE X 0 313 0 002 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 3 6s 277 285 203 305 317 385 6 3649 272 27 288 297 312 37 8 8 49 270 274 266 294 310 324 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
51. p m m a seen gt ean 7 Lan 1 sean gt s ix EU Em 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 EMEA INTERACTIVE MODEL msrar DATE por GHEET LGE Internal Use Only SECRET ELECTRONICS GElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 5V_ST 3 5V_ST A 3 3V_Normal A A S FLASH MAIN MACRONIX OPT 1302 IC1300 R1304 R1305 4 7K MX251L8006EMZ2I 12G 3 5V_ST A OPT SPI_CS e R1301 10K SPI SDO FLASH WP e R1300 0 Q1300 SCLK SPI SCK R1303 SI SIOO 33 gt SPI SDI W25Q80BVSSIG HOLDIIO3 DI IOO THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION M i E P T E FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG THE CRITICAL COMPONENTS INTHE Sumo NAK OF E l LBElectronics BLICK SHEET Copyright 2012 LG Electronics
52. 0 01 e 80 02 03 20 90 22 15 01 26 15 07 50 09 57 O7 f 80 18 71 1 16 20 58 2C 25 00 ao 5A 00 00 Bo 00 9E 01 10 00 80 51 Do oc 20 40 80 35 00 AO 5A CO 00 00 00 8C OA 00 20 EO 2D 10 10 96 00 DO ao 00 00 00 18 02 80 18 71 38 20 40 58 2c EO 45 00 ao 00 00 00 TE 01 1D 80 Do 72 1C 16 20 Fo 10 2c 25 80 00 00 00 9E 00 oo 00 oo 00 3 Detail EDID Options are below a Product ID MODEL NAME HEX EDID Table DDC Function HD FHD Model 0001 01 00 Analog Digital b Serial No Controlled on production line c Month Year Controlled on production line ex Week 01 gt 01 Year 2012 gt 16 fix d Model Name Hex cf TV set s model name in EDID data is below MODEL NAME HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV e Checksum Changeable uo total EDID data EDID t ae m 08 Block 0 Check sum 1 55 HDMI2 45 HDMI3 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 24 f Vendor Specific HDMI INPUT MODEL NAME HEX HDMI1 65030C001000 HDMI2 HDMI3 65030C002000 65030C003000 4 5 Outgoing condition Configuration m When pressing IN STOP key
53. 1 01 01 01 01 18 21 50 AO 51 00 30 48 88 40 35 00 A0 5A 1C 1D 00 72 51 DO 1E 20 00 00 00 00 FD 60 46 0 mimimimimimim gt Him TY m 00 00 e FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF mimimim m 71 7 7 1 7 7 71 7 7 7 71 7 71 7 71 7 7 7 mn 71 1 mim m m mimimimimimim o Him m TY 1 mn 71 1 mim m gt FF 1 7 N Him om mom om Him mimimimmm gt gt H mmimimimimim H mmimimimimim Fe 2 HD HDMI EDID data 0123145 16 7 9 00 00 00 60 a b 10 01 03 80 10 09 78 91 54 4 99 26 20 oF 50 54 a1 08 oo 81 CO 61 40 45 40 31 40 O1 01 30 01 01 01 01 01 01 18 21 50 AO 51 00 TE 30 48 88 40 35 00 A0 5A 00 1 01 1D 00 72 51 DO 1 20 00 00 00 00 00 00 FD 00 60 46 1 20 20 20 20 20 2
54. 1 I OPT D801 T 5 6 200pF gt D2 _HDMI2 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECRET GElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 5V ST PT A R854 8K R855 OPT 100 pso4W R856 R857 2 68K HDMI CEC QET e nma e S7 5 eom Q806 amp 1 BSS83 e OPT z C805 Z m 0 1uF ae 16V R812 68K 9 CEC ON OFF 3 5 ST OPT R813 100 p805V R814 R816 a 10K 68 e nan NEC E 2 o Q805 2 7 BSS83 OPT Q 5 gt 804 lt 0 1uF 16V A alae 5V DET HDMI 4 R808 10K e R897 IK R862 10K Q803 B C803 HPD4 MMBT3904 NXP R837 16 1 8K R835 3 3K gt SDA 4 gt SCL 4 R811 0 IR OUT SIDE HDMI R841 0 HDMI amp gt CK HDMIA a 4 O 5 E gt CK _HDMI4 gt D0 HDMIA gt gt DI gt gt D2 HDMIA gt 22 D811 5 6V JK803 200pF e For CEC
55. 100 wl C210 11000pF MI m DDRI Pe Bae L M lc GND_101 R SCARTI RGB COMPI 113 n AVDD_DDRO 55mA T GND_102 Feo J L A GND_103 v2 R11 96 EXTERNAL ADS 104 Rip R253 33 C211 10 047 1 U3 V6 cc mr 23 105 u SC1_R COMP1_Pr ee cri e m ae gt SCARTI_Lout J GND_106 7 P u gt GND 107 R255 C213 1 TI Y7 OPT C23 SC1_G COMP1_Y 33 0 047 TP208 momo GND_108 R256 68 C214 10 047 T2 WS 5 mS 5 Ome 2 Cees AS T9 IE cd gt 5 OT qeu quum queue mee e GND 109 SC1_B COMP1_Pb __ E gt R Ale oul eet aoe jee a e oup R258 68 C2164 10 047uR RI COMES 25 5 5 C19 T11 i T3 T C22 111 ET SC1 SOG IN corp 1000 e GND 112 ex ime mem nmm imma 236 0 e Dit cp HE NON_EU D18 T14 m noui sd fa pis LAE ND 1 R237 33 C218 0 047uF Y2 E17 T16 l T BLM18SG121TNID e COMP2_Y AV_CVBS_IN p 33 C220 0 047u m TO e E 118 R240 Y3 C249 C253 C256 c263 E22 09 68 C221 0 047u CONE DES
56. 1531 LG1001 TS IO2 1 1532 1K PI_LG1001 TDI 103_43 IO1_1 INIT_DONE 103_42 13 103_41 1 8V_PROIDIOM 101_14 103_40 15 IO3 39 16 IO3 38 IO1 17 IO3 36 IO1 18 IO3 35 19 IO3 33 20 IO3 32 IO1 23 IO3 31 4 IO1 24 IO3 30 1 25 IO3 29 26 IO3 28 IO1 27 IO3 27 IO1 28 IO3 26 IO1 30 IO3 25 IO1 31 IO3 24 IO1 32 IO3 23 101_33 103_22 34 CLK2 101_35 CLK3 5 SS OS ae Oe vp Noe ES cip 2 2z2g2rpzzz9EzzubuEkkEZXxZERuZzZ4MazzsizziddMMrc 15 cork nee 1 4 4 zd E si sl E a E E al 4 A tt al g a sl a E sl q al 4 gl B al el ie a e al e E a a a 0 9 2 2 219 2 12128 21516 55 5 56 956 55 55 559 515 5519 516 62 2 2 2 2 1 2 2 212 616165 8 16 51615 8 6 5 p e e e 1 8V_PROIDIOM 1 8V_PROIDIOM A PI_LG1001 EM L1500 TR e e e e e 8211121 C1506 C1507 4 7uF O 1luF OPT 16V OPT EMEA INTERACTIVE MODEL DATE BLULK Pre tdiom THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INC
57. 20 R1106 2K 2 1117 22uF T 16V R1109 47 R1112 10K SIDE_USB_DM D1100 2 SIDE_USB_DP gt USB1_OCD USB1_CTL SPDIF_OUT SPDIF OPTIC JACK 5 15 Mstar Circuit Application 3 3V_Normal A JK1103 2F01TC1 CLM97 4F 1110 R1104 22uF 10uF 10K 16V 16V OPT OPT OPT C1131 O 1uF 50V 100pF wA 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 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GElectronics m B R1129 3 3K HEAD PHONE 904 NXP HEAD PHONE Q1106 ELECTRONICS SSIDE_HP_MUTE DSUB VSYNC C DSUB HSYNC lt DSUB DSUB_G lt DSUB_R 4 4 gt f e R1139 R1140 1129 22 2K T
58. 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 POWER ONLY or the others check the back light on LGE Internal Use Only Auto adjustment Map using RS 232C to USB cable 4 4 EDID data RS 232C COMMAND CMD ID Wb 00 00 White Balance Start Wb 00 ff White Balance End RS 232C D ID COMMAND DATA MIN Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO itis 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 Tool 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
59. 29 xd circu 16 PI_TS_CLK O luF Y14 gt T dus TSOCLK GPIO87 PI_TS_VAL FLASH 1G NAND FLASH 1G SS NAND FLASH 1G TOSHIBA NAND FLASH 2G HYNIX e 22 USB1_OCD voi P V2 N GPIO131 TSOVALID GPIOSS PI TS SYNC EAN35669102 EAN61857001 EAN61508001 EAN60708701 CI_CD1 lt _ R122 25 USBI_CTL 7 uoo P M2 IRQA N GPIO132 TSOSYNC GPIO86 PI_TS_DATA 0 7 102274 IC102 2 102 3 12102774 CI_CD2 lt _ PCM2_CD_N GPIO135 foem BRITEEER H27U1G8F2BTR BC K9F1G08UOD SCBO TC58NVGOS3ETAOBBBH HY27UF082G2B TPCB OPT T20 Aere Y13 PI TS DATA O from BUFFER IC PCM 5V CIL lt PCM2_WAIT_N GPIO133 TSODATA 10 6 077 7 7 PITS DATATI S7LR2 UOA Di S10 J ERROR OUT 2 RESET GPIO134 TSODATA 1 GPIO78 EIUS DATAT CI SLOT or Proldiom z _Divx M TS NC 29 NC 1 NC 29 1 NC_29 NC 1 NC 29 to delete CI or gate for D4 TSODATA ABD PI_TS_DATA 3 IC101 2 MST NEC TX UARTI TX GPIO43 TSODATA 3 GPIO80 NC 28 NES _28 _28 _28 LGE2111A TS E4 UARTI_RX GPIO44 TSODATA_ 4 GPIO81 42 PLTS DATADS C N25 UART2 TX GPIOG6S TSODATA 5y GPIOs2 2214 M UART2 TX GPI 27 NC 3 27 NC 3 NC 27 NC 3 NC 27 R131 55 N24 151 TS DATAI6 UART2_RX GPIO64 TSODATA 6GPIO83 5 BLUES DEI NC 26 NC 4 NC 26 NC 4 NC 26 NC 4 NC 26 MODEL 6
60. 4 MIPS WS 4 b1010 Scerur MIPS with SCRAMBLE PCM 2 w22 PCMADR 1 GPIO124 NF REZ GPIO139 ADI7 gt OE R108 C102 Anis PCMADRI2V GPIO122 NF WEZ GPIO140 gt WE 1K NC_8 NC_23 IQuF POMADI PCMADR 3 GPIO121 NF_ALE GPIO141 gt PF ALE C101 3 3V_Normal PCM_A 4 AA20 3 ADI9 us 0 1uF VDD 1 VDD 2 A BEM AISI 4 6 1 99 NF RBZ GPIO142 F RB T e E IE PCMADRISVGPIO101 AR 104 3 3V_Norma VSS 1 VSS 2 P O 1uF F POMA Ani PCMADRIGI GPIO102 GP OS R105 NC_9 NC_22 lu PM 103 Ik LME MS MS MS POM AS PCMADRISI GPIO108 0 NC_10 NC_21 E EF RT PCMADRI9 GPIO110 GPIO PM O GPIO6 POWER DERG O _ 10 20 K6 OPT R134 22 PM_TXD GP4 CL NC 20 e CHIP CONFIG 1 AAI 114 UART TX GPIO cine gt UM DENS gt MST NEC TX OPT PF e R148 B 6 AUD SCK 1 112 GPIO_PM 2 GPIO8 R104 AL 1198 56 pCMADR 12 GPIO104 12 143 22 PF_ALE AUD MASTER CLK C Tom AUD_MASTER_CLK_0 PCM_A 13 MA EM Se phu R149 22 POWER l GP4 PCMADR 13 GPIO107 1
61. 6 EX22 KR6 INTP 1 UPD78F1 1LO4GECS 4 5 1 8 370 22 R318 22 P75 EX21 KR5 INTP4 P131 T106 TO06 R319 22 P74 EX20 KR4 INTP4 NEC M T lt P130 rar R320 22 P73 EX19 KR3 I ns P20 ANIO pee LED R BUZZ 67 KID65003AF OPT R321 22 P72 EX18 KR2 66 P21 ANI1 R322 22 P71 EX17 KRI 65 P22 ANI2 UART SW2 lt Ol R323 22 P70 EX16 KRO 64 P23 ANI3 RLON lt OPT R324 22 P06 W AIT P24 ANI4 R325 22 POS CLKOUT P25 ANIS POWER ON OFF 1 62 O2 EVSS1 61 P26 ANI6 R326 22 P80 EXO P27 ANI7 UART SWI 60 5V_ST 03 R327 22 P81 EX1 59 P150 ANI8 UART DBGSW R328 22 P82 EX2 58 P151 ANI9 DBGSW R329 22 P83 EX3 P152 ANI10 INV_CTL lt 57 10K O4 R330 22 P84 EX4 56 P153 ANI11 PANEL CIL OPT R331 22 85 5 55 P154 ANI12 0301 05 R332 22 P86 EX6 54 P155 ANI13 MMBT3904 NXP 2 OPT R333 10K P87 EX7 53 P156 ANI14 4 7K 5V_ST HER DET R334 0 P30 INTP3 RTCIHZ 52 P157 ANI15 OG VDDI 51 vss v R379 Sob E c c s c f t oun 10K O7 als ole x 4 B Wun AG F lt lt MMBT3904 NXP nnn gt x lt e lt 4 7K OR IU ELA O n A iio R372 E 45V ST S R Cla a X E SA
62. A PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog 5 Component Input 1 Y Cb Cr 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 HDMI1 DTV DVI PC HDMI version 1 3 7 HDMI Input 3EA HDMI2 DTV Support HDCP HDMI3 DTV The number of Input ports is different by model 8 Audio Input 2EA RGB DVI Audio In case of the RGB DVI Audio input 9 SDPIF out 1EA SPDIF out Some models LD21A LD21C are not supported Antenna AV1 AV2 Component RGB dd NNNM EMF 11 USB 1EA DivX HD JPEG MP3 DivX HD For SVC download CI UK Finland Denmark Norway Sweden Russia Spain Ireland Luxemburg Belgium Netherland 12 DVB France Canal Italy DGTVi CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise RS232C 1EA Interactive mode support Copyright 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 5 Video resolutions 20 5 1 Component Input Y Daoa 78 i9 r 599 79 oaos ferso 690 5 2 RGB Input foo ms fos Oo uva ____ 5 _____ ___ 4 wowo sre fon O s rozers Jooo
63. AOP F4 U24 R103 22 OPT R21 ADI4 FE_TS_DATA 7 proas VAN VSS_2 VSS_1 VSS_2 VSS_1 VSS_2 VSS_1 VSS_2 ABI EE m LVBON V5 bon LED B GP4 P20 P ad s 15 LVAIP I PI LVBIP lt PWM PIO7 GPIO39 LVAIN N6 V24 LED_R GP4 R119 22 F6 Es 9 _22 5 _22 Ne NC Ne Am 2C SPDAMO GPIOS4 LvBiN CHIP CONFIG 1 C PWM PM GPIO199 221040 GPIO73 LVB2P GPIO199 gt 1K pull down 971041 oh NC 21 NC 10 NC 21 NC 10 NC 21 NC 10 NC 21 ACA W23 g 1042 LVA3P GPIO74 LVB2N p7 921045 LVA3N NC_20 CLE NC_20 CLE NC_20 CLE NC_20 Pee KEY1 GP4 R101 22 OPT Deep eee As GPIO46 LVA4P Y24 R163 22 OPT G5 GPIO49 LVA4N 1 03 ALE 1 03 ALE 1 04 ALE 1 03 LVB3N KEY2 GP4 SAR1 GPIO32 1050 AA25 G4 51 LVB4P EXT VOL 15 SAR2 GPIO33 52 LVBON 1 02 WE 1 02 WE 1 03 WE 102 LVB4N EXT_VOL 164 22 OPT 4 SAR3 GPIO34 a 2 SCKMO GPIO53 LVBIP WP WP WP SCART1_MUTE SAR4 GPIO35 DC SDAMQO GEIOSA I O1 WP I O1 WP 102 WP I O1 AE24 GP4 LVACKP AD2A AC LVB2N 1 00 NC 11 1 00 NC 11 1 01 NC 11 1 00 IVACEN Y23 R166 22 OPT R23 LVB3N NC_19 NC_12 NC_19 NC_12 NC_19 NC_12 NC_19 LVBCKP LIKE GPIO145 LVB4P LVBCKN NC 18 NC 13 NC 18 NC 13 NC 18 NC 13 NC 18 167 22 E E GPio19s 125 R168 22 OPT VC LVACKP NC 17 NC
64. BEAD MAG e 0 14 SG MMBT3904 NXP e OPT R435 E x 401 BEAD SS C408 SOG 0406 22K R407 1 0 1uF PD_ 24V 392 100uF C406 O AAF X MMBT3904 NXP 3K 16V fe m PANEL_DISCHARGE_RES 16V zn R489 E PD AV PD_ 24V_PWR_DET_DIODES 3 3y Normal PANEL_DISCHARGE_RES a ad Power DET BEAD_SS fee 3 5V_ST 14 CIS217121 a OPT Las e R426 TR rem C402 C404 CAOT pees 100uF 0 1u 16V R421 780 mA 16V 16V oe Or ma SLIM_32 52 gt BEAD MAG nm o 2427 L402 1 S x SMAW200 H24S2 E 10K po e MLB 201209 0120P N2 e 904 mE 3 5 ST ane i EY 3 5V ST IC407 A FET_AOS 5 ho A L403 AP7173 SPG 13 HF DIODES 7 BLMI8PG121SN1D A n 1420 EP e e e TH e HS DIM BLMISPGI2ISNID z R C423 C425 R446 C445 C437 WM PULL DOWN 3 9K lur R438 4 7uF 0 1uF 10K 20 128 22uF 16V 22K 16V 16V 16V 10V 5 R414 1 R434 FET_AOS OPT OPT 195 FET_2 5V x PWM_PULL DOWN_1K 423 1 FET_AOS 2 2uF R445 T 10v 3 3V Normal 100 FET 2 5V DIODE FET 2 5V AOS A R433 zs Q403 1 Q403 2 OPT R445 R486 Ir T 2 2K a v a ERROR OUT 4 7K j 10K B Q400 420 100 POWER_ON OFF_1 e gt ERROR OUT C475 MMBT3904 NXP 5 MA 0 1uF OPT ERROR OUT
65. CH_CLK Pedir E 102 29 TP SOP 104 20 CH VALID 102_21 TP_VALID 104_26 CH_SOP US e 102 17 ERR 104_30 CH_ERR VE e EAT 102 41 DATA 7 104 8 atin PI LG1001 1O2 36 TP DATA 6 104 13 CH 5 28 102 31 151 104_18 CH_DATA 2 102_25 TP_DATA 4 104_24 CH_DATA 3 L 102 23 TP DATAI 3 104 28 CH DATA 4 PLL VOLTAGE ONOLY F4 G4 102_18 TP_DATA 2 104 33 CH DATAIS 102_14 TP_DATA 1 104 35 61 1 102_8 _ 0 104_41 CH_DATA 7 1 8V_PROIDIOM PI_LG1001 29 102 34 IO1 2 IO2 33 dr 21519 101 3 102 32 PI_LG100 18217121 E 05 11510 1504 1014 A 4 7uF PI_LG1001 IO1 5 102 39 8217121 IO1 6 102 28 C1536 6 IO1 7 102 27 T 0 1uF PI_LG1001 43 3V PROIDIOM 101_8 102_26 n e IO1 9 5 O 102 44 E 10 IO2 24 R1514 IO1 11 IO2 45 IO1 12 102 22 CLKO j gt 102 20 Oe R1513 22 102_48 RESET IO2 19 PI RESET NEC e PI LG1001 PI SCL R1521 22 PI LG1001 37 I2C SC 102 16 PI pO R1522 22 PI 1 61001 103_34 I2C_SDA 102 15 D 43 3V PROIDIOM 1 DCLK 102 46 R1524 10KPI 1 61001 CONE DONE IO2 13 9 1525 10K PI LG1001 NCONFIG 102 12 n R1529 10K PI LG1001 NCE IO2 11 DATAO IO2 10 2150 IO2 9 IO1 22 ASDO A IO2 47 e NCEO 102_7 NSTATUS 102_6 I2C OxFO MSELO 102_5 i MSELI IO2 4 1 R1530 1K PI_LG1001 TCK 102_3 TDO 102 2 e R
66. DAR EP GND C1816 5 5 10uF 25V mL EN VIN POWER OUT POWER OUT R1811 R1812 cue 11K VFB x a a VBST 17 POWER OUT POWER_OUT 50 11801 EU 3 BLMISPGI2ISNID VREGS SY R POWER OUT TS NR8040T3RON C1804 C1808 ss 22uF 22uF 16V 16V POWER OUT POWER OUT 1800 cisol los 3300pF OV POWER_OUT 1 1801 M41T83RMY6F 3 5 ST C1809 1811 O 1uF 22uF 3 5 _8 16V 16V 3 5 ST R1814 10K CLOCK_SCL BA1800 BATTERY CLOCK_SDA 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 SECRET LGElectronics Vout 1 R1 R2 0 765 5 03V POWER_OUT R1820 43 EXT12V_CTRL POWER OUT GND fos 470pF T 50 DV DT R1818 1K ENABLE FAULT POWER_OUT I LIMIT NC 12V IC1803 MP5000DQ SOURCE 5 EXT 12V A SOURCE 4 RS Out L1804 SOURCE 3 CB3216PAS501E SER C1817 SOURCE 2 0 1 50V POWER_OUT SOURCE_1 EXTERNAL POWER DETECTION EXT 5V EXT 12V R1822 POWER OUT D1801
67. DMI 0 04 Wireless Host Ver Wireless B B Ver Wi Fi Version Wi Fi Channel Wi Fi MAC 00 MAC Address 00 E0 91 C7 09 5F Local Dimming Ver Debug Status nu Hist Ver 31641 160 EF 16710 ALLxN42 Adjust Check ADC Data Power Off Status System 1 2 Model Number D L Test Option External ADC ij Spectrum 10 Sync Level 11 Wireless Ready 12 Stable Count 13 ODC Test 14 Local Dimming Adjust Check 1 Country Group Press OK to Save Country Group Code Country Group Country 2 Tool Option Tool Option Tool Option2 Tool Option3 Tool Option4 Tool Option 3 Alusi White Balance 4 Ad ADC 480i Component 1080p Component RGB 5 EDID RGB HDMI2 HDMI3 HDMI4 6 CI Key EU 0 02 amp 33024 31795 96364 22958 2870 OK 6 NG 0x1D OK 0xD7 0x19 OK 0xD7 0x9 OK OK 0xD7 0xE9 OK 1058E7247540B1DD 0x0703 EVENT 5 2 Press the IN START with the remote controller for adjustment 222 gt gt Dat 7 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual LCD TV symptom A Video error_Color error Test Pattern Test Pattern Pattern Control
68. 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 Model 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 6 Model Number D L like below photo 3 Input the Factory model name or Serial number like photo EDID Version HDMI 01 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 14 Only for training and service purposes 4 Check the model name Instart menu
69. ENTS IN THE SYMBOL MARK OF THESCHEMETIC LGElectronics ELECTRONICS BLOCK ose SHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes c Ma
70. FCA e AMAI A MA4 E jig ee B DDR3 141 Ee 4 PMAL Al A2 T 2 E12 141 F21 B MA2 A2 A MVREFDQ A3 A14 4 PPR3_AD B DDR3 AI5 f E23 lt B MVREFDQ 6 A DDR3 A 6 DDR3 A 6 B MA6 E 7 D11 DDR3 B_DDR3_A 7 nee B MA7 ES A 5120 A 8 DDR3 A 8 DDR3 8 1 B MA8 uA ni 6 A MA6 5124 D12 2 dehinc B MA6 C 7 AG C16 Ang ead B MA7 7 im i oce DDR3 11 B MAII nisi As a oT A MA12 2 ee B_DDR3_A I2 5 B MA12 RMO AMAU A MA13 DDR3 1 13 BMALO A TOAT AMAN A MA14 E io B_DDR3_A 14 1 14 B MAI AL A12 BC gt A MA12 2 A12 BC A13 gt 1 13 lt A13 F13 G20 A MBAO 1 DDR3 BA 0 51 B MBAO Me A MBAI E13 DPR3 DDR3 555 B MBAI AVDD_DDRO A MBA2 A_DDR3_BA 2 B_DDR3_BA 2 B MBA2 gt SA MCK 21 BALI B MBAO lt AVDD DDRI 4 DAMBA 9 2 2 G25 on gt A MBA2 gt A17 G23 2 1209 A MCKB Big B_DDR3_MCLKZ a A MCKE DDR3 MCLKE B DDR3 MCLKE B MCKE 4 2 0 01uF ze 50V m e N E14 D20 C A MODT A_DDR3_ODT B_DDR3_
71. 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 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 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 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 11 Stable Count Tool Option3 Tool Option4 Tool Option5 12 000 Test 480i Component 1080p Component RGB RGB 0xD6 0
72. INAL EXT_SPK_L A OPT R1702 51K EXT_SPK R1705 100 gt EXT DET EXT SPK R1703 4 7K SECRET LGElectronics UARTA2C SWITCH UART SWI CONNECTION L A BO MSTAR ADJ DEBUG R1720 100 UART SWI 1 1703 3 5V_ST NLASB3157DFT2G C1710 O 1uF MST_TX lt eo 2 EAN38256201 R1723 0 1 1704 NLASB3157DFT2G MST_RX EAN38256201 R1722 UART SW CONNECTION A BO NEC DEBUG A B1 MSTAR DEBUG 3 5V_ST C171 ie TX lt R1721 100 IC1705 NLASB3157DFT2G EAN38256201 IC1706 UART DBG SW 3 5V ST MST DBG TX UART TX gt MST RX gt UART RX MST DBG TX NLASB3157DFI2G NEC DBG TX MST DBG RX DBG RX gt NEC DBG RX EAN38256201 ELECTRONICS UART_SW2 CONNECTION L A BO INTERACTIVE H A BINECUSB DOWNLOAD 3 5V ST R1728 100 NEC TX R1727 100 1 1707 NLASB3157DFI2G UART SW2 gt MST NEC TX EAN38256201 IC1708 NLASB3157DFI2G UART RX MST NEC RX EAN38256201 gt UART TX EEPROM SW CONNECTION L NEC EEPROM H A BIMSTAR EEPROM EEPROM_ SCL EEPROM SDA
73. Inc All rights reserved LGE Internal Use Only Only for training and service purposes AR GLOBAL TUNER BLOCK 3 3V_TU R1403 R1402 100K 100 e TUNER RESET 3 3V_TU C1404 O 1UF 16V R140 R1408 1K 1K TU1400 TDSS G101D rc SI2176 DVB IINPUT R1406 33 5 1401 18 1405 CI411 1412 18pF 20 ZZ20pF 50V 50V 50V 3 3V_TU A C1409 43 3V TU 1 O 1uF SCL 16 NON_ASIA_TU SDA close to the tuner pin 470 E OPT TU R 3 3V R1410 RI close to TUNER 9 AA e C gt TU SIF NON ASIA TU Sip R1426 E 4 1 p 0 3 3V_TU 3 3V_Normal B N A A 1 SV O luF 16V NON ASIA TU o0 LA TU 1 1420 R1409 MMBT3906 NXP 10pF 4 7K C1400 1 Soy L1400 CVBS ASIA_TU ASIA_TU AAA CIS21J121 IF AGC 1 2 1 8 TU ASIA TU Em 7 A 390 1414 1415 1418 1419 22uF 0 1uF 22uF 0 luF DIF P 10V 16V 10V 16V ur Toae C1410 2 M 100pF O 1uF 100uF R1416 R1417 50V 16V 16V 220 22 DIF N _ NON_ASIA_TU NON_ASIA_TU R1427 C 0 R1411 0 gt TU_CVBS 1404 gt INON_ASIA_TU E 100 C1421 R1412 0 R1424 MAIN 1
74. LI c S e c i is sit ir md maol tal acie ete ee t 0 FUB cie ce eee ord ee ode os m 1252 e 5 9 i 5 SS SIS 5 el Sen Sele 5 St 5 5 le Ste 8 SE SEEN cma ca cma cma 222 ceu cma cma cma ca cma cma cma Dum rr 10uF E 8 gt ON 5 T Dmm T Dol Dol 10V Y E Q bom oy o o o o 2 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 5 1 5 U l e 1 DDR P Pi 5 ower Pi X Close to DDR Power Pin Close to u DDR3 CLose to Saturn7M IC to Saturn7M to DDR3 DM cc pP I J J 101 LGE2112 T8 EAN61828901 EAN61828901 IC1201 IC1202 H5TQ1G63DFR H9C zu S7LR DIVX MISIO n H5TQIG63DFR H9C A MAO A PPR3_AI0 B_DDR3_A 0 555 B MAO DDR_1333_HYNIX A MAI B11 PPR2 DDR 1333 HYNIX A MA2 DDR3 A 2 B DDR3 A 2 B MA2 A MVREFCA VREFCA AO gt p F12 222 G22 2 B MAO lt AO VREFCA B MVRE
75. ND 16 EE C1519 C1520 e e UAE ee 10uF PI_LG1001 ET in IT R1540 PL 5 SYNC lt a 552 PKT_SYNC PROIDIOM SYSCLK lt AAA TS 3 PRT DATAN C1501 0 1uF VCC 4 5 2 i e e T T 2YO 2A0 2Y1 2A1 R1500 22 GND 2 GND 7 22 2Y2 2A2 RISO1 22 PITS VAL lt Tus TS VAL 21502 22 CILTS_SYNC 3 3 PROIDIOM 3Y0 3A0 LES 3V_ R1503 22 A 0 lt CI 5_ 0 5 or He DATA 1504 22 3Y1 3A1 3 3 PROIDIOM 5 5 2 CI_TS_DATA 1 A ste Soe ee eS ee 5 5 5 5 8 GND_3 GND_6 2 8 8 2 5 5 5 5 e 262501 de n ler 152 28 2896 48 Rises oe 3Y2 3A2 5 LGi001 PI_LG1001 54 a gt 54 ER d 2 TS 3 CI TS DATAI2 L1504 L1505 GNU ROS GSC a a R1506 22 3Y4 3A3 FUER CIS21J121 CIS21J121 e e e B m m m m m m m m CI_TS_DATA 3 3 3 34 3 3 3 C1500__ 0 11 vcc 2 3 0 14 C1503 M 4 4 4M 4 4 4 c a 5 a3 4YO 4A0 750 PI TS DATA 4K BOT VASE m 5 om mm cm mms mi m
76. ODT B MODT 12 25 A MRASB A12 DDR3 RASZ B DDR3 RASZ Bod B MRASB A MCASB B DDR3 CASZ B MCASB A MWEB 2E 2 B DDR3 WEZ 2 B MWEB RE _ AVDD_DDRO 5 AVDD DDR1 B MRASB t 1_ A MCASB R1231 F11 E20 B MCASB A MRESETB B_DDR3_RESET B MRESETB AMWEB 10K A_DDR3_RESET 1032 3 i 19 24 B MRESETB lt A MDQSL A_DDR3_DQSL B_DDR3_DQSL Kos B MDQSL A MDQSLB A_DDR3_DQSLB B_DDR3_DQSLB B MDQSLB 4 lt YA MDQSL B18 J21 B MDQSL lt gt 1 A MDQSU SU B_DDR3_DQSU B MDQSU Ais DDR3 DO DQ 120 B MDQSLB A MDQSUB A_DDR3_DQSUB B_DDR3_DQSUB B MDQSUB A MDQSU E15 H24 B MDQSU 1 A MDML A_DDR3_DQML B DDR3 DOML B MDML A MDQSUB A21 L20 B MDQSUB lt A MDMU DDR3 DOMU B DDR3 DOMU B MDMU C AMDML D17 L23 BMDML lt A MDQLO ais PPR3 DDR3 DQLIO F554 B MDQLO 2 MDMU A MDQLI B21 4 PPR3_DQLI1 DDR3 B MDQLI A MDQL2 2 B_DDR3_DQL 2 B MDQL2 A MDQL3 Bo ur ane 5020 B MDQL3 YA MDQLI X i B22 DURS DOE M24 3 s B MDQLI lt LO A MDQLS 22 B DDR3 5 B MDQLS BMDOL2 EL MER A MDQL6 cia DDR3 DOLI6 DDR3 B MDQL6 AMPOLA A MDQL7 Es DDR3 DQLI7 DDR3 7 B MDQL7 5 gt B MDQLS 6 G16 G21 B MDQL6 A MDQUO DQU O DDR3 DQU O B MDQUO SA MDQL7 B20
77. ORPORATES 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 2011 08 21 SECRET ELECTRONICS GElectronics Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 3 3V_Normal COMPONENT 2 R1660 V2 10K R1666 AV2 IK e e AV CVBS DET OPT D1624 T 5 6V C1646 200pF 0 1uF GN E LUG D1612 10pF 2 20V R1619 il 75 GN O SPRING A COMP2_Y AV_CVBS_IN 5 BL E LUG S D1614 10pF lt R1620 i e 20V 75 BL O SPRING T 5 e gt COMP2 RD E LUG S i D1615 10pF 4 R1621 i e 20V 75 wok RD O SPRING IC1601 1 gt COMP2_Pr SN324 RDJCONTACT 1 e e gt 2 L IN WH O SPRING R1603 D Pa 0 1 21616 1625 1616 R1636 OUTI OUT4 EU_OPT_AUK INV_IN1 INV_IN4 RD CONTACT 2 NON INV INI NON INV RD O SPRING VCC gt COMP2_R_IN e ii REAR_COMP2 R1626 S R1634 PPJ234 02 200 47 25 43 3V Normal NON INV IN2 NON INV IN3 JK1603 OPT
78. RACTIVE 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 CRITICAL COMPONENTS IN THE SYMBOL MARK LElectronics BLOLK SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes RGB SPDIF PC HP USB HP_LOUT HP_ROUT 43 5V_ST HEAD_PHONE A Q1105 MMBT3906 NXP 11 e e e 1118 10uF 15y HEAD PHONE HEAD PHONE C1115 R1125 1000pF C E HEAD PHONE sov Bp zs JK1101 OPT 3 3V Normal _ MMBT3904 NXP e KJA PH 0 0177 Q1104 MMBT3904 NXP 6 e e 6 HEAD PHONE E xS 14 4 2 R1155 5 1K DETECT 3 HP DET HEAD PHONE 1 e e C1119 10uF 16V IHEAD_PHONE HEAD PHONE C1116 R1128 1000 E Q1102 B OPT MME Se B Q1103 HEAD E MMBT3904 NXP C HEAD PHONE e e Ld Ld 7 z Ls Lud mcm n e a lt Ld z SS SS SS Sas ined EAN61849601 IC1103 AP2191DSG 5V USB L1100 JK1105 3AU04S 345 ZC H LG JAVH LLS NMOd 950 BORO gO ae CIS21J121 1 8W 5 SER 1
79. RPORATES 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 LG THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes R806 10K R896 1K R804 C802 1 8K R802 3 3K C 802 B R830 0 14 MMBT3904 NXP 16V 10K E DDC SDA 1 R805 L gt DDC SCL 1 0 OPT R809 0 HDMI R824 0 HDMI_CEC CK HDMII 2 e e e e amp v 9 lt m gt CK _HDMI1 gt DO HDMII gt HDMII gt D1 HDMII gt D1 _HDMI1 D2 HDMII JK802 1 D802 T 5 6V 200pF C gt D2 _HDMI1 5V_DET_HDMI_2 A R807 10K R895 1K R803 C801 16V 1 8K R801 3 3K Q 0 1uF MMBT3904 NXP R828 801 B 10K HPD2 gt DDC SDA 2 R810 0 gt SCL 2 R815 0 IR OUT HDMD HDMI CEC EAGS9023302 gt CK HDMD gt CK _HDMI2 DO HDMI2 gt HDMD gt DI HDMI2 C gt D1 _HDMI2 gt D2 HDMI2 JK80
80. Test Pattern 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 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 12 Only for training and service purposes 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 C
81. V psoa V 50 lt 540 R519 E o e IN4148W R511 R512 0 1uF 4 7K 22000 12 1 50V 50 e e e gt 5 R OET e e e R522 0 POWER DET e 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC EMEA INTERACTIVE MODEL GP4_MsTAR DATE BLOCK Auno amp SHEET 27 LGE Internal Use Only SECRET GElectronics LG ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes CONTROL IR amp LED IR_OUT_CTRL 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 OUT RS232C lt IR OUT lt __ R600 30K R620 3 5V ST A R622 10K 1 L600 BLMISPGI21SNID IR OUT HDMI2
82. VER to nose in the Owner s provide the description 12 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process m F Exterior defect Eie Zoom part with exterior damage gt gt Replace module Replace cabinet Replace remote controller controller ade Replace stand 13 Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error ished A Video error_Video error video lag stop mir symptom TUNER input signal strength checking method 7 lt ALL MODELS gt MENU gt red key customer support gt signal test gt select channel When the signal is strong use the attenuator 10dB 15dB 20dB etc LGE Internal Use Only A6 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes symptom Standard Repair Process Detail Technical Manual A Video error_Video error video lag stop 885 LCD TV Version checking method BEN 1 Checking method for remote controller for adjustment IN ed Serial Number 912KCEA67924 02 08 04 S W Version MICOM Version BOOT Version FRC Version IR LED Version EDID Version RGB Version EDID Version H
83. _2 LOUT gt EXT_SPK_L EXT SPK LOUT PGND 2 R 1 713 EXT_SPK_L lt EXT_SPK 2 1701 Ee 1K DBG SW CONNECTION L A BODEBUG NEC MSTAR 100 H BIEXT SPK CONTROL 3 5V_ST IC1701 NLASB3157DFT2G C170 0 luF DBG SW 3 5V_ST R1709 R1706 0 JK1701 27 04 T 2 T_TERMINAL1 B_TERMINAL1 EAN38256201 4 R_SPRING IC 1702 NLASB3157DFT2G 5 T SPRING e DBG TX 3 5V ST R1710 3 6K R1707 0 7 TERMINAI2 6B T_TERMINAL2 gt EXT VOL E_SPRING L1701EXT_SPK gt RX EAN38256201 EXT_SPK JK1700 29 02 G_SPRING L1700EXT_SPK e TH EXT_SPK_R R_SPRING L1702EXT_SPK EXT_SPK_R EXT_SPK_L e 3 3 3V_Normal 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 T SPRING 1 1703 EXT SPK e P C1704 C1706 C1707 cos B _TERMINAL 39pF me 39pF 39pF 39pF OPT OPT OPT OPT T_TERM
84. 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 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
85. aution Never connect HDMI amp D sub Cable when EDID downloaded EZ ADJUST EDID D L 0 Tool 1 1 Tool Option2 2 Tool Option3 3 Tool 4 4 Tool Option5 5 Tool Option Commercial 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 oaao Enter download Download A A When transfer the Mode MODE Mode In In Carry the command EDID data and Automatically download Model option Download A E 10 The use of a internal download data 11 EDID D L 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 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 EDID data 1012314 516 7 9 00 00 00 60 a 10 01 03 68 10 09 78 OA EE 91 54 4C 99 26 20 OF 50 54 a1 08 00 81 CO 61 40 45 40 31 40 01 01 30 01 0
86. e T5 T HALF NIM EU NON T2 0 1uF FB CORE 4 P19 110 DDC_SDA_1 R4034 22 T4 DDCDA_DA GPIO24 C4064 R4019 s zx RI6 FB CORE GND 51 711 DDC_SCL_1 lt __ vs DPCDA_CK GPIO23 0 1uF 10K VDPL 32 15 HALF NIM E HPDI C HOTPLUGA GPIO19 _NIM EU_NON_T2 4 Mia LAN GND 53 11 HALF NIM EU T2 MIUVDDC DVDD_DDR GND_54 B 3 IF MAIN 55 AE2 R4001 0 i D E J15 4065 x 56 OPT AVDD2P5 wio VPD2PS 1 GND 57 1 TUNER I2C MALESU NOS wir AVDD2PS_ADC_2 ovp 58 575 SCKMI GPIO75 gt TU SCL S AVDD2P5_ADC 3 GND_59 AD6 w12 isa 125 2 SDAMI GPIO7 ASTAR AVDD25_REF ND 2C SDAMI GPIO76 SDA Normal 2 5w GND 60 ose to GND 61 Y17 K13 261 22 AVDD25_LAN GND_62 e 2 5V_Normal AVDD2P5 GND 63 x201 V18 H10 AVDD2PS MOD lt e AVDD MOD 1 GND 64 R5 ase L U19 YR MODEL 1 HOTPLUGB GPIO20 x 262 L211 AVDD2P5 172mA AVDD MOD 2 GND 65 5 BLMISPGI21SNID K19 GND 66 AE9 D7 297 0 em e 9 2 Aco SPDIF 152 ues ER gt CIL DET 67 Hi Acig RXCCKN SPDIF_OUT GPIO153 SPDIF OUT opm m Corle COO AVDD25_PGA wis 2025
87. e is interference from light in room Replace R C 10 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error D Function error 1 External device recognition error Revised date Check technical information x Fix information imi error S W Version Replace Main B D RGB HDMI Check and fix Fix in DVI Optical Replace Main B D external device cable accordance ecognition error with technical information 11 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error Bue symptom ymp Circuit noise mechanical noise Revised date Replace PSU with LED driver Check location of OR noise Replace LED driver al Check location of noise Mechanical noise is a natural phenomenon and apply the 1st level x If there is a Tak Tak noise from the Identify nose type When the nose is severe replace the module For models with fix information upgrade the S W or provide the description 2 7 2 cabinet refer to the KMS fix information and 2 then proceed as shown in the solution manual o For models without any fix information
88. e 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 LGE Internal Use Only 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 7 ADC Calibration EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group 6 Area Option 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 NO 1 2 Enter Adjust Adjust A A When transfer the Mode In MODE Mode In Carry the command ADC adjust ADC Adjust A 1 Automatically adjustment The use of a internal pattern Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 4801 ad 00 10 Adjust 480i Comp 1 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 m Check Input and Signal items
89. erent maker TV etc Check RF Cable N Y Connection 1 Reconnection S W Version Tuner soldering Y S W Upgrade Contact with signal distributor or broadcaster Cable or Air poma Replace Main B D Y 3 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established A Video error PET symptom Check color by input External Input COMPONENT RGB HDMI DVI Check Test pattern Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Check error color input Color error Revised date mE 4 13 X Check and replace Replace module contact condition Check device and Replace Main B D cable External Input RGB HDMI DVI error Check external device and cable ernal devi Cable normal Replace Main B D LGE Internal Use Only Standard Repair Process A Video error rror LCD TV Vertical Horizontal bar residual image light spot Check color condition by input External Input device Component connection RGB condition HDMI DVI Replace module Check external Cable Request repair for external device Check Test pattern External device screen error Color error Check screen condition by Check S W Version N Input External Input Comp
90. fore 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 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
91. 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 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
92. ion 03 03 02 01 Version 3 03 6 Version 1 01 73 FRC Version 1 48 IR LED Version 68 EDID Version RGB 0 01 EDID Version HDMI 0 02 Chip Type BCM Wireless Host Ver 0 00 0 Wireless B B Ver 0 00 0 Wi Fi Version 1 0 Wi Fi Channel 0 Wi Fi MAC MAC Address O0 E0 91 C7 12 1C ESN Num LGE LES40000000030724E7 Debug Status RELEASE Entry method Adjust Check 2 ADC Data Power Off Status System 5 Syst Number D L Power Off Status 0 POWER_OFF_BY_AUTO_OFF 1 POWER_ OFF_BY_AUTO_OFF POWER OFF BY AUTO OFF 3 POWER OFE By INSTOP 0018 0 nr BY_ACDET 11 POWERS OFF BY AUTO OFF 12 POWER OFF BY _ 13 POWER OFF BY ACDET ona BAGUE 16 POWER 0 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes A22 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error TN C Audio error No audio Normal video xdi 233 symptom Checking method in menu when there is no audio lt ALL MODELS gt infinite Sound Off Treble mn Bass 24 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only
93. n 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 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
94. nc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok 3 5 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange the Module 1 Panel Mura Light leakage Panel Mura Light leakage Press damage Crosstalk Press damage Crosstalk Un repairable Cases In this case please exchange the module Press damage A 4 5 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange the Module 2 Vertical Block Vertical Line Vertical Block Source TAB IC Defect Source TAB IC Defect Source TAB IC Defect Horizontal Block Horizontal Block Horizontal line Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Un repairable Cases In this case please exchange the module Horizontal Block Gate TAB IC Defect A 5 5 Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error ar 2 LCD Tv B Power error Off when on off whiling viewing Content POWER OFF MODE checking method Revised BEEN A22 IN START Model Name 32LE5400 UC Serial Number OOIKCKJ5J461 S W Vers
95. nimize 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 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
96. o 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 LD2AY Z 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification 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 AC 100 240 V 50 60 Hz Standard Voltage
97. 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 37Countries DTV amp Analog Total 36 countries DTV MPEG2 4 DVB T 37 countries UK Italy Germany France Spain Sweden Finland Nether lands 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 Belarus DTV MPEG2 4 DVB C 37 countries UK Italy Germany France Spain Sweden Finland Nether lands 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 Belarus 2 Broadcasting system 1 2 PAL DK 3 SECAM L L 4 DVB T C 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 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 4 Scart Jack 1E
98. onent RGB HDMI DVI S W Upgrade 9 RGB DH error screen Y Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes pae Y gt replace Link Established date symptom Vertical Horizontal bar residual image Revised date light spot external device color error Revised date 5 13 Module Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main B D Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc LGE Internal Use Only Standard Repair Process Established B SS error symptom Revised date date 6 13 w A17 Check 2 19 N Replace iid Power B D Y DC Power on by pressing Power Key Check Power cord was inserted properly Power LED On Remote control Stand By Red Operating white 4 Y Close Check ST BY 3 5V Replace Power B D 6 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process symptom
99. 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 LD2AY Z 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 operation Above 5 Minutes Heat Run Temperature at 25 5 Relative humidity 65 10 96 Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig Service remote control 7 Push the IN STOP key For memory initialization 2 3 4 5 7 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 APC After Manual Insert executing
100. shed A Video error video Normal audio Revised date 1 13 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable No video Check Back Light Check Main Board Replace T con Normal audio On with naked eye 3 5V 12V 3 3V Board or module 1 26V 1 5V etc A28 x Precaution c A7 amp Always check amp record S W Version and White Balance value before replacing the Board 1 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established EL A Video error TES LCD TV symptom aAA Check various voltages of Power Check and Board replace 3 5V 12V 20V No Video No audio Replace Power Board and repair parts Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process p A Picture Problem En symptom By using Digital signal level meter By using Diagnostics menu on OSD Check RF Signal level Menu Setup Manual Tuning Signal strength Normal over 3096 Signal Quality Normal over 3096 Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Diff
101. t RXB1 AB2 w25 HDCP EEPROM EEPROM MODEL 2 GPIO73 LVB2P gt RXB2 Addr 10101 33 3V Normal iA a IC104 1 PM MODEL OPTION UM GP4 DEMOD_RESET GPIO74 LVB2N gt RXB2 AT24C 1024BN SH T 228 E aie e AT24C256C SSHL T o LVB3N s gt RXB3 LVB4P gt RXB4 HDCP_EEPROM HDCP vec TOUCH KEY GP4 AA24 IC103 C107 voc C105 174 R177 LVB4N L gt RXB4 CA T24COS8WI GT3 H RECV TV R113 0 14 TOK 4 7K ies OPT AE24 HDCP EEPROM WP BE LVACKP ADA gt RXACK R127 R178 100 4 LVACKN gt RXACK we 47 R111 PM_MODEL_OPT_O gt RXBCK EEPROM A2 SCL 22 PERON SGE R179OPT 100 w24 SCL 2128 22 e MODEL 1 LVBCKN gt RXBCK SDA R129 22 aks one n DERETA R175 R176 325 3 EEPROM_SDA gt SDA 10K LOK GPIO196 055 OPT HDCP EEPROM 104 106 TACK_KEY GP4 GPIO193 T24 L MODEL 4 8pF 8pF e GPIO194 MODEL 5 Lor a GPIO195 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES EMEA INTERACTIVE 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 THE CRITICAL COMPON
102. 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 Device Load Read Auto Source File Ap ilex oH ReConnect Blank Read File HDCP Key Checksum Key 1 Restore Data 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 Partial 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 Software Upgrade TV Software Upgrade COMPLETED 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 hav
103. uF T 10V lt 8217121 16 E e N a e e e gt SPK 1 AY e H m E 1N4148W R508 R515 24 7 100V 12 12 58 R516 5s Q IIMA 59 AAA opt 1050988 E E el C506 C508 C510 12 Lazo n du 4 7K 25501 0502 10uF 0 luF uF 0 luF 2259096 SOV SOV 10V 16V TON 16V 50V 535 EE 10 0uH A7uF hr i 50 SPEAKER 503 C531 538 m pn T 100pF o AGND PLL 1 D502 v 390pF rO JUF R517 50V R509 ies 4 7K R505 PLL 2 109V 12 12 pd THERMAL DVDD PLL f Der xs 22000pF LE 4 50V 1 501 DGND_PLL 5 SPK_L GND f6 NTIP 7500L DGND 7 SPK L DVDD 8 SPK_R C528 C529 SDATA aa lub 158 AUD_LRCH 9 25V 25V SPK_R W CK 1 O ale C527 e AUD I RCK 22000pF BCK 1 1 50V AUD SCK SDA R503 100 e 12 5 R504 100 e C507 40509 d M e e e SPK e 5 E 2 9 x T 7 iN D503 R510 R514 7 47 42 N ea ea NINIAN 1N4148W 12 12 L503 550 R502 m OLOCO 100V 539 R518 10K R506 lt N NIN opr ea lt 532 A 0 1uF 4 7K R501 e 109 505 eo d E I 1 504 4 10K B Q501 O5 520 lt 522 C524 po vl 20V SPEAKER E MMBT3904 NXP vo 0 1uF 0 1uF 10uF ER 50V 50V 35
104. 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 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
105. xE9 b Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 j A 0 2 Check the key download for transmitted command RS232 ci 00 10 __ 1 3 Result value Normally status for download OKx Abnormally status for download NGx Copyright 2012 LG Electronics Inc All rights reserved 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 i 01 OK 1d1852d21c1ed5dcx EN CI Key Value Data 0 L Internal Use Only BLOCK DIAGRAM Jo 3u02 6 XM XL O3N ino LL09V dL diads ino 4945 S 22 lt 0 5 eyed AG INAH AS 939 bend uo3 mmm 201151 Vv9lLlLasZqdn asn LONPZIN 23N lt gt SN CX cx NI 1 NI 4 1 dWOO R my NI AV Olanv WV 3 NI 95 1 dH el LS ansa do 1N3NOdNWOO 0 LE eee 1

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