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LED TV SERVICE MANUAL

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1.
2. IZC JSDAS __ SDAO C gt I2C_SCL6 for RA 3 3V_NORMAL NV M
3. PAGE Tue 2552 PANEL POWER 3 3V_NORMAL R2327 1 2302 Change Diodes NXP 131118 8 2K Q 2301 5 P BOTH 12 24V FA D pe rae es 10K R2310 12V PANEL VCC R2300 iR 1 5K P DET BOTH 12 24V RL ON A P BOTH 12 24 15 R2336 2 10K _ 100K 02300 POWER_WAFER_18PIN R2309 Q2302 R2349 1 100 R2325 2 MMBT3906 NXP P2300 e NV L2313 AAA P BOTH 12 24V DE 3 5V_ST VA23001 P DET BOTH 24 3 5V C2356 1 1 Mc oe m 07 7
4. 01 MO 0 1 5V_DDR 1 5V_DDR A A VREF MO 1 VREF MO 0 SURET MOE e sr sr 4 22 E MO DDR 1 9 A3 DDR VREF2 3 oe 3 e 13 a s 0_DDR_AO gt MO_DDR_AO 11 S M DDR VREFCA MO 1 DDR VREFCA 0 DDR A1 DDR A M oo 2 z B 5 4 01 TC 0 0 DDR A2 5 DDR A2 z zi _ CIS 0 DDR A3 DDR H5TQAG63AFR PBC H5TOA4G63AFR PBC A4 2 _ MO_DDR_VREFDQ MO_1_DDR_VREFDQ 0 DDR 5 gt DDR A5 z A E DDR3 A DDR3 0 DDR A6 DDR
5. E DEMODI TS gt TELOJ P TPO_CLK BIT 6 7 EU CIS AJJA TAIWAN COL CHINA HONG KOREA NORTH AMERICA BRAZIL JAPAN FE TS SYNC 2 161311 gt we 4 FE_DEMOD1_TS_VAL gt gt TPO VAL a ATSC DEMOD1 TS ERROR ERR e ERR 0 1 T2 C S2 ATV EXT T2 C ATV EXT 2 PIP SOC ATV SOC ISDB AH30 D28 1 0 T2 C T2 C ATV_SOC FE DEMOD1 TS DATA 0 7 ieee TPO_DATA 0 7 AH31 28 5 VAL F28 DEMOD1 TS DATA 7 AM33 42 027 TPO 0 3 3V_NORMAL 1 TS DATA 6 AL32 B E27 DATA 1 O_DATA1 1 TS DATA 5 AL33 F27 TPO DATA 2 1 TS DATA 4 DATA 3 MoO a
6. m H gt N o mo g 5 1 33 HDMI_HPD_1 5 4 T VA3215 EM I ESD_HDMI 5V NORMAL ROHM 2o 8 IC3201 ae AR3200 BD2242G o9 ON BODY_SHIELD 00 BODY_SHIELD D3202 R3262 MBR230LSFT1G gt 1 AR ik VIN DDC_SDA_1 GND A Q3205 2 9 30V HP_DHT mee 177 A C3201 GND C3203 C3228 5 T I 3207 ARC HP_DET 5 0 1uF z R3204 550 SI es zm L 100K 10 E GND EE 5 I uh E gt R3201 7 EN E 9 d To 101 cmm e a 63202 OUT GND ad AP pa C 991 MES DET gt gt gt 1 16W MHL DET o DDC_CLK OUT DDC DATA R3202 3226 L ppc scr 4 2522 e VA3213 ELO DDC CLK e DDC SDA 4 s ARC ES 0 192 OCP_DIODES D
7. o gt H m 5 R7759 R7760 E 500000 gt 0 INSTEAD 0208 2000000 00010 and di 07700 MMBT3904 NXP R7728 100K E 1 16W 5 7703 1N4148W VGL CTRLN m e 100V z C7745 C7747 SWN 4 luF10V luF10V 27705 eM 1N4148W E 87239 C7756 C7733 noo 260 eee LUE 1250 luF 10uF REVERSE SWP 50V 5 10 REVERSE gt gt SWP 2 HERMAL CTRLP ux gt CTRLP MCLK 3 VCOM FB2 GST 4 TOP VCOM_DAC EOL gt 5 is 6 fos 7 1 16W VGL 56 75 GMA15_18 SWN lt 1 2 gt 1 4 EE 9 S 16 INSTEAD OF AMCCO209 VGH VCC18 10 gt GMA7_9 A For if gt GMA5 D7704 17702 gt 1 C7746 C7748 1N4148W e AR 0 I3 gt comp 14 luF25V 1uF25V 100 87700 7710 7711 77121 22uH ss C7755 C7757 R7744 R7750 2K 10uF 10uF luF 27700 luF 20K 20K 1 16W Ie JE T iov Rd ls CTRLP m n EDU 1 10W 1 10W V 1 1 1N4148W lt 100v Rl mx 2200
8. CLKDIV1 CLKDIV2 CRD 1 0 CLKIN 3 CMDVCC STATUS 3 NORMAL HIGH HIGH CARD PRESENT A LOW HIGH CARD not PRESENT IC6300 M 24 e N NA 22 2278 uU CLKDIV1 AUX2UC E be X zZ gt gt lt lt lt CLKDIV2 AUX1UC a e m gt Dio Do E e e R6300 22 5 5V 3V qu 2 E E SMARTCARD SEL SD EMMC 1 e e SMARTCARD DATA SD STI JAPAN d PGND XTAL2 e SMARTCARD CLK SD EMMC 0 5V_NORMAL m 52 XTAL1 A SMARTCARD DET SD EMMC 3 JAPAN L630 VDDP OFF 5 SMARTCARD RST SD EMMC DATA 2 JAPAN BLM18PG121SN1D JAPAN JAPAN C6300 C6301 C6203 mm 51 GND R6311 22 Clue 10uF gt SMARTCARD VCC SD EMMC CMD VUP VDD L6301 e ZEB A BLM18PG121SN1D C6302 PRES RSTIN O 1luF JAPAN JAPAN ol C6305 6306 B CAS SLOT PRES CMDVCC Dy EIE T 16V P6300 TZO PORADJ 10057542 1311FLF B CAS Slot AUX2 I T C6307 0 33uF AUX1 RST Taev v CGND CLK Place CLK far from 2 7 4 and C8 JAPAN
9. IR Bla Pattern Width 0 5mm auge C nom NA Emm le HS 7 1 gt IRB DATA 3 3 NORMAL TOO V LA D Ra 0 A 5 e e IR Bla IR Bla a 111001 9 JP11001 811015 120 011001 H Y 2 3 37 SBT2222A AUK gt IR Bla B BLM18PG121SN1D CITT 03438 E IR Bla 1 at e 5V_NORMAL 16 011002 IR_Bla IR Bla C11004 C1100 811021 0UF 10uF 10 10K Bla 3 3 IR Bla 3 3V_IR_Bla A A Co gt 00 10 6 a9 m m a IC11002 2 MC96FR3128R 4 5 i N 4 TO H 2 24 E A 3 IR Bla END dn 00 2 1 811026 4 7K Bla e Download Ld paesi an de J IR Bla R11001 1 IR RESET 011003 911013 MMBT3904 NXP 0 1uF IR_Bla IR_Bla 16V 33 Ril IR_Bla IRB_SPI_MOSI TDO1 ee IRB_SPI_MISO TDI1 lt 811007 3 IR Bla 33 IRB SPI 55 51 R11008 I
10. 6 IC101 LG1311 3 1 1V_VDD 22 19 524 990 1 114 77 3 3V NORMAL DVDD33 3 3 NORMAL AVDD33 SHE dis A C22 26 GND_3 GND_116 e C23 P30 GND_4 GND_117 L601 24 R7 BLM18PG121SN1D 2006 C617 C618 C619 C620 C623 C626 C627 C628 lt 52 5 GND LLS FEE TE 4 7uF 4 7uF 4 7uF 4 7uF 4 7uF 0 1uF 0 1uF 0 1uF P GND_6 GND_119 D5 R11 BLM18PG121SN1D 10V 10V 10V 10V 10V 16V 16V 16V GND 7 GND 20 D6 2 R12 4 526 121 77 3 614 C615 DVDD33 1 1V_VDD 601 C604 CD m GND_9 GND_122 A LG 1 3 1 1 4 7uF 4 7uF 0 1uF 4 7uF 0 1uF D21 o MUSAE R26 10v 10V 16V 10 16V EG GND_ ar R27 GND_11 GND_124 E20 e ma 2 cup 125 5209 GND_13 GND_126 118 D33 1 DVD 1 pee F6 8 GND_14 GND_127 a D33_2 DVD 2l Ae GND_15 GND_128 nee 033 3 3 3 F8 T14 GND_16 GND_129 m D33 4 DVD 4 2 F18 T15 GND_17 GND_130 M23 D33_5 DVD 5 5 F19 T16 T11 6 GND_18 GND_131 D33_6 DVD 6 F20 T17 GND_19 GND_132 033 7 DVD 7 ah F21 T18 GND_20 GND_133 AAAS D33_8 DVD 8 8 Tio G GND_134 033 9 DVD 9 220 G8 22 AC13 P21 GND_135 233 10 do By pass AFE
11. 2 5V_DEMOD lt D EU CN GND 6701 1000 22 630V 10 R6702 10 TU_M_CN R6702 1 EU p TU H M DVB T GND SECRET LGElectronics B1 3 3V B1 3 3V B1 3 3V 3 3V TU N T 1 SWITCH TU IF TU SCL SCL RF e I2C SCLH6 TU SDA SDA RF e 12 SDA6 IF P TU FUN AIF e IF N TU NC 2 NC 2 e gt TU SIF TU 3 3 e TU NC 4 B1 B2 3 3V B2 3 3V 3 3V_TU ERROR gt FE_DEMOD1_TS_ERROR 1 MCLK FE DEMOD1 TS H SYNC TS SYNC VALID TS VAL DO 1 TS DATA 1 1 TS DATA 52 gt _ 1 TS DATA D3 12 5V NORMAL gt FE TS DATA TU JP D4 L670 BLM18PG121SN1 FE 5 DATA ARN D5 FE 1 TS
12. 2 HPD INT_ADEMOD INT_ADEMOD Go 4 INT ADEMOD R11022 R11023 NC LG1311 390 390 SOC OUT NY JADEMOD INT ADEMOD C11009 C11010 AL 68pF 68pF TU_CVBS_SOC 50V 50V AK26 SC_CVBS_IN_SOC PTT 1 5 SOC R356 68 C343 440 047uF AL26 i 1 R353 0 AN27 DTV MNT_V_OUT_soc KAN BUF_OUTI C339 OPT SC SOC 5 861 815 SC FB soc L gt 5 REF RMII_CRS_DV COMP1 Y IN SOC SOY 25 5 1 IN RMII_MDIO AL COMP1 Y IN SOC 21 LIIN A COMP1_PB_IN_SOC F PBI LN A PR SOC AL24 2 Y SOC SOY 22 SOY2 IN A 2 Y SOC gt 2 PB SOC L F 2 SOC R357 68 C344 0 047uF 421 Janey AVONS R358 68 C345 0 047uF AM23 anes R359 68 C346 0 047uF AN25 BLM15BD121SN1 C349 Aw21 i AN 5525 REF M 1304 1 305 0 luF AN21 avpp2s BLM15BD121SN1 M TER 16 SCART LOUT SOC lt hi ae SCART_OUTL SCART ROUT SOCX 5 SCART_OUTR M N EU EU AL19 334 C336 L
13. Placed as close as possible to IC101 us da L307 e e AV R374 120 ohm 51K 1 C354 AUAD L SIK iour U lt i 10V R378 C313 L 47K 4 7uF 1 pw R381 i 47K 4 7uF 1 es DDR3 VENDOR OPTION 3 3V_NORMAL e sr oo o se DDR3 x gt DDR3_OPT2 AUDIO OUT 311 0 HP_LOUT_MAIN lt AUDA_OUTL C305 0 01uF 50V R312 HP ROUT MAIN AUDA OUTR C306 mE 0 01uF 6 50V LG ELELTRONILS PAGE 3 RMII_MDC I_TXEN I_TXD1 I_TXDO I_RXD1 I_RXDO xp sor _1_SDA _1_HPD _5V_DET _1_ARC 1 0 _ _1 _1B _2_SDA
14. ay n 21 o WOL POWER ENABLE CONTROL PEN m fi n H rol 1 3 5V_WOL lt WOL_SW_1 6A X3 51 IC5201 AP2151WG 7 AS E AP2191WG 7 EPHY_REFCLK WOL R5223 33 R5222 10K OPT 5204 SW Multi 131120 USE this after 131201 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES BSD NC4_HO052 HD DATE SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARIS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LG ELELTRUNIES 3L LILK GHEE T _ Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and service purposes 18 AUDIO AMP NTP 514 3 3 NORMAL A e 24 24 15601
15. DAT4 gt EMMC_VDDI A DATS gt 8100 6 2 ey A gt M OA DO BF WN N N o DAT5 w DAT6 EMMC_RESET_BALL 5 8G TOSHIBA BALL CMD BALL U N U U U N U p 9 gt U m lt LG ELECTRONICS Use EMMC_4 41 BO 130923 Jihwan Hyun IC8100 1 1 EMMC4 5_4G_MICRON IC8100 3 THGBMAG7A2JBAIR 5 16G TOSHIBA PAGE 30 Use 4 5 IC8100 2 IC8100 5 MTFC8GLCDM 1M WT H26M31003GMR TW 2 O 4 U 4 2 U To U 2 2 H T n 2 2 IC8100 4 THGBMAG5A1JBAIR EMMC4 5_4G_TOSHIBA DATE BLOCK SHEET LGE Internal Use Only BLASTER PAGE 31
16. 0 0114 0 01uF ii m 11 19 R CH1 50 50 RENE AN19 1 1 2 INL gt xus m 2 IN E R_CH2 H 2 SCL m RR 1 IN L CH3 HON A AUAD R CH3 IN gt RACHO HDM 2 L CH4 I 2 DET 17 R T DMI 2 0 AUDA OUTLX X15 I 2 RX OB AUDA DMI 2 1 I 2 1B 18 REF xut DMI 2 RX 2 L REF I 2 2B C347 104 10V m Mad C348 2 2uF 15 e I 2 CB R360 33 15 3 SPDIF_OUT lt 95800 HDMI_3_SCL HDMI 3 SDA e R365 100 AN11 AUD_MASTER_CLK TT 7 AUDCLK_OUT HDMI_3_HPD x DAC_LRCH AUD_LRCH S340 C342 I 3 5V DET N eu E DAC SLRCH D OPT 110 pac Z AUD_SCK lt __ 7 ET e I 3 0B R369 A AUD_LRCK Tb DAC_LRCK DMI_3_RX_1 5 335 C337 aka 22pF 33pF x OOGLE 656 I 3 RX 1B E 8368 0 ADS OPT 125 gt oUm DMI 3 RX 2 AES pcMI3LRCK REOR o EE pcMI3SCK DME Sn TU ALL 2178B AE6 1 3 C312 T 0 1uF S AD6 _LRSYNC 309 4 SCL 1000pF ee HDMI_4_SDA 50V TU ALL IntDemod AAD EDC 5 4 05 R350 0146 4 SENSE m AM29 E AGC
17. VA3802 5 6 LG ELECTRONICS gt COMP1 AV1 DVI_R_IN MODEL BLOCK av sack SHEET gt COMP2 Y IN SOC COMP SOC SOY Ze OF OS Spl LGE Internal Use Only A 3 5V ST 1 4000 AO R123C7G LG IR PROTO R4017 330 1 16W IR_PROTO R4016 47 4000 SMAW200 H18S5 L4000 Delete for voltage drop 131120 aS 400 22uF 0 1uF 10 GND 3 5V_WOLY I R4001 2 R4018 00 10 1 BT RESET USB DM RESET 2 e DM md 1 S R4019 USB_DP M R4002 T Place Near Wafer 3 5 ST 100 2 WOL GND C4016 C4015 a WOL WIFI POWER ON 24 care lU R4010 cajo p 199 0 14 3 UD GND on OPT OPT R4008 R4009 EYE_SDA 10K 10K R4011 B R4006 100 7 SCL 7 5 5 d EYE SCL gt KEY1 3 5 ST R4007 R400 GND KEY2 I 100 gt KEY2 5 3 5 3 5V_ST T C4001 4002 100pF LED R GND 008 0 1uF 0 1uF 50V T OPT OPT OPT R4015 1 8K LED_R al e e e x 1 10 IR_PROTO THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPO
18. e North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com 8 Life s Good LED CHASSIS LD42B MODEL 32LB65 32LB65 z CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67985203 1401 00 Printed in Korea 5 2 BARELY PRECAUTIONS 3 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION SEES 13 BLOCK DIAGRAM 21 EXPLODED VIEW 22 SCHEMATIC CIRCUIT DIAGRAM Copyright 2014 LG Electronics Inc Alll rights reserved oe 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 r
19. e 4A 5 wH AIO alol Q ODEL NON LOGO LOGO For LOGO LIGHT Hiz Qimniv do a Ayo ODEL LCD OLED UHD Need to Assign ADC port m E 22 a A HINI X OINI n ODEL NC4_Local KEY_8KEY NC5_Local KEY_5KEY Ready for sample set Z gt H OJA ODEL M14 H13 H14 gt Oo S 0 x alofa 04 LO NIN ODEL NON_GED GED A LO AIO w H A 09 Ay 11000000 i 5 5 5 4 a S al pi n For CRC 3 5V_ST 5 gt a lt m o R3033 R3034 27K 120K 03000 BAT54_SUZHO e REMOTE 7 HDMI_CEC Q3001 0 003 02 MODEL DATE BLOCK lt lt Internal Use Only 10 4
20. 1 M lt aa rx iam TXDCLKN TX14N E 33 TX 14 gt TXDCLKP TX14P 1 AGE ane m e e e e e e e e e e INSTANT nass D 1 D SC 33 7 AF4 te P 221 TP226 CAM SLIDE DET CAM SLIDE DET xs 7 TX 16N TXD1N TX16N Von CAM_TRIGGER_DET 2 EXT 5 ee id i AREA OPTION BACK END OPTION MODEL 124 5 rx aim gt TXDON TX17N BLIS V29 x 18178 rio gt TXDOP TX17P rp228 lt _ RST 3 TX 18 gt a 1 DE gt aJ 2 rx 1 gt 18 _ D 21 ae AD4 BE 3 T 19 AV1 CVBS 1 x iex TXC N TX19N R B RESE Te 0 TX 19P P TXC3P TX19P BIT 0 1 DVB ATSC JP BIT 2 3 4 5 EHD ERE PANET LOW HIGH BIT 20 gt TXCCLKN TX20N MODEL 8 DDR3 B 2 AJ24 Mad gt TXCCLKP TX20P 0 0 TAIWAN COLOM N AMERICA Do ud x oU v bu EPI FHD 120Hz V14 8 lane NON DDP DDP BIT3 TX 21 gt TXC2N TX21N 0 1 EST FAD l20Hzy 94 324 nen 6 lane MODEL_OPT_9 DDR3 2GB 1 5GB BIT4 gt TX_21P PTXC2P TX21P 1 0 EU CIS S AMERCIA 0 0 1 0 FHD 120Hz V13 6 lane 1 1 FOR UD 1 5 X_22N 153 1 1 0 0 1 120Hz V12 6 lane EUR Pct M DERE gt 22 gt 1 1
21. gt gt 50 d N d 4 Sl m SS N CEN H gt AM E o C5205 Ay n NOS ANS a 0 1uF Place this Res near IC gt gt 5 XS old lt 9 o d lt 0 GAs do My ai 16V 4 LE Il RU B mS o WOL ETH POWER ON 2 49K 1 RSET LEDO PHYAD 0 PMEB 25 dm 1 P THERMAL 33 MDIO e gt Route Single 50 Ohm Differential 100 Ohm MDI 0 MDC EPHY_MDC EPHY_RDP B MDI 0 IC5200 PHYRSTB RST PHY from SOC RDN RTL8201F VB CG ER 1 11 EPHY_TDP EPHY_EN 3 5V_WOL MDI 1 TXD 3 AVDD33_1 TXD 2 ETHERNET INTERFACE CROSS CONNECTION R5203 RXDV TXD 1 EPHY TXD1 PATTERN ISSUE 3 3K CTL RXC m v Pe S e HESS 3 5V_WOL x gt 3 5 WOL B N gt Ay lt gt 5211 mw e a 0 1uF o 16v N wo 1 5 10 i a 15 1 gt X lai dX B me gt gt o Qo
22. 1 TS DATA 3 26 4 2 DATAS 25 5 A e e e e e e e e 1 1 AJ30 25 6 O_DATA6 FE DEMOD TS DATA O0 AJ3 E25 TPO DATA 7 mM AL3 AA5 DEMOD2 TS 508 5 o 5 5 az 19 ee aZ dd as ns os DEMOD2 SYNC 3852 05 EPI MCLK MCLK SOC n E B ai Er PS prs FE DEMOD2 VAL m 0 V EPI GCLK gt SOC H Li L4 H H G Li e tr A Oy FE DEMOD2 TS ERROR 0 E EPI EO EO SOC H H H mz 2 sess MES E z B in E 2 FE DEMOD2 TS DATA oD GST SOC 3 ng 3 3 s AS aS BE S 1 1 5 FE D Ope E 1508 1 a ee E FE DEMOD3 TS SYNC gt m 1 5 rx ox gt TXB4N TXON DEMOD3 TS VAL gt 1v EO gt TXB4P TXOP FE DEMOD3 TS ERROR re 1 rx iw gt gt BITO FE DEMOD3 TS DATA gt rxe gt TXB3P TX1P ERR TEN gt TXBCLKN TX2N o _ __ gt BIT TEX CLE ss rx 2 2 gt TXBCLKP TX2P IE BIT gt MODEL 11 TX_3 TXB2N TX3N B29 i AL6 1 e DATED TPI_VAL rk rx IL gt TXB2P TX3P BIT3 MODEL URS TPI ERR Li
23. TXDCLKN TX14N TXDCLKP TX14P TXD3N TX13N TXD3P TX13P TXD4N TX12N TXD4P TX12P Bee CRG EPI_CH S PAGE 27 BSD NC4_HO72 HD DATE BLOCK 2 LGE Internal Use Only SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LOCAL DIMMING To LED DR IVER P7400 12507WR 08L L DIM OUT 8P R7401 10K DIM_OUT_8P 9 L DIMO SCLK 33 1 16W 7400 gt L DIMO MOSI I2C 5612 L DIM OUT 8P I2C SDA2 LG ELECTRONICS gt L DIMO VS PAGE 29 BSD NC4_HO74 HD MODEL DATE BLOCK Internal Use Only CLK6 CLES gt CLK4 gt CLLRS gt 2 _ gt 1 27704 7901 7708 7709 C7716 gaai 560 L560pF 5 Z 5
24. for Global TDJ H G101D Half NIM for EU AJJA 15 TDJ H H1O1F Half NIM for TDJ K T101F Half NIM for TW 16 TDJ M C301D F FULL NIM for China TDJ M B101F Brazil NIM with Isolater 17 TDJ M K101F colombia NIM TDJ M G101D G105D G151D EU Combo amp Full NIM TDJ M HIOIF H151F Korea PIP tuner 18 TDJ AGA T2 PIP 19 NSS so ss ee as ees es es 20 21 22 23 24 25 26 2s 28 29 30 31 34 36 37 38 39 40 45 IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM IN SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICI ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PART THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK CORPORATES X RADIATION NG IF IS BE USED FOR F THE SCHEMETIC Copyright 2014 LG Electronics Inc rights reserved Only for training and service purposes close to Tuner 3 3V_TUNER N 3 3V_LNA_TU C 1 should 2 3 Signal Signal RF_SWITCH_CTL_TU L6500 BLM18PG121SN1D close to TUNER 2 0 10 TU_ M W_TW BR CO C R6507 1K U K M W TW BR CQ CN TU K M W TW BR CO CN AAA C6504 586503 10 re ALL SWITCH guarded by ground on both of them Width gt
25. 0 DVDD18_EMMC AR8100 1 16W 3 3v power delete 1 16W 10K AR8104 1 16W 10K AR8103 R8117 10K R8116 10K 131120 EMMC_DATA 2 DATA 3 EMMC EMMC_DATA EMMC_DATA EMMC_DATA EMMC_DATA AR8101 1 16W EMMC_CLK EMMC_CMD EMMC_RST 50V C8107 em 1 K5 8100 OPT ZC0 1ur 16 gt BALLI RESET BALL Don t Connect Power At WVDDI Just Interal LDO Capacitor CORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF IS FIRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes THAT ONLY MANUFACTURES SPECIFIED PARTS THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF BE USED FOR THE SCHEMETIC SECRET LGElectronics EMMC_VDDI A DVDD18_EMMC A 3 3V_EMMC A 8105 8106 bi oe 2 2uF 16V 10V pattern 0 2mm C2 8102 8103 104m 2 uF 16V 10v gt 8104 10 H10
26. 7 AGLS TX_23 Bae gt TXCON TX23N 0 1 0 0 60 2 14 32 inch 6lane MODEL 11 MODEL OPT 8 ix 23b TXCOP TX23P LRL AE UE d LVDS FHD 120Hz AJ x MODEL 9 2 AH20 AM8 0 1 17 0 LVDS FHD 60Hz MODEL 10 gt TX LOCK EPI LOCK8 6 0 1 1 LVDS HD 60Hz 0 0 0 LVDS FHD 60Hz CP BOX 0 0 LVDS HD 60Hz SMALL SMART 052202059 Vbyl FHD 120Hz OLED 150 P uc LVDS FHD 120Hz OLED 1 0 0 5207 77 1 1 FE DEMOD2 TS CLK TP202 FE DEMOD2 SYNC TP203 FE DEMOD2 TS VAL TP204 FE DEMOD2 TS ERROR 205 3 3V_NORMAL FE_DEMOD2_TS_DATA TP206 FE DEMOD3 TS CLK TP207 FE DEMOD3 TS SYNC TP208 FE VAL 1P209 SW201 und FE DEMOD3 TS ERROR TP210 JTP 1127WEM FE_DEMOD3_TS_DATA 211 2 1 4 3 TPI DATA 0 7 gt 2 2 DEBUG lt CLK TP213 214 For ISP TPI_VAL TP215 TPO DATA 0 7 C re221 TPO 218 219 VALX TP220 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC GElectronics 14 ELECTRONICS BLICK Symeon SHEET Copyright 2014 LG Electronics Inc right
27. DDR DMO DDR DM1 DDR DM2 DDR DM3 DR 000 DR 1 DR 002 DR DR 004 DR 005 DR DR 007 DR 008 DR 09 DR DR DR DR DO DR DR DR 0016 DR DO17 DR DO18 DR DO19 DR 0020 DR DO21 DR DO22 DR 0023 DR 0024 DR 0025 DR 0026 DR DO27 DR 0028 DR DO29 DR 0030 DR DO31 ren 232090 0 tJ D p OO 0 0 0 0 65302062 0 OG GS GS GS S S X S 0S X S oS S ESE 240 1 5V_D A 1 5V 1 5 CORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF 15 FIRE AND ELECTRICAL SHOCK HAZARDS THAT ONLY MANUFACTURES SPECIFIED PARTS THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK ESSENTIAL BE USED FOR F THE SCHEMETIC Copyright 2014 LG Electronics Inc rights reserved Only for training and service purposes R508 R509 OPT R504 R505 R506 R507 1K 1 LK D DR VREF M1 O C501 0 10 DR R502 10K 1 5V_DDR A M1 DDR CK gt 1 DDR RES 100 R503 D 1K 1
28. 7754 uy 87727 100K Q7701 0 1uF PANET MMBT3906 NXP 50V 1 16W 5 e RIGHT a _ 7713 C7714 12 8 12 UE 10uF I2C_SDA2 a ul en 1 16W 33 7 VDD 7742 gt 18 IOS 10v VDD 17703 1 NR6020T6R8NC 467705 7718 R7761 lu 6 8uH he SE 9 1K 2 e 22 1 1 R7729 1 7755 gud 10uF EPI 8 6 SOURCE O gt EPI_LOCK8 6 2 NC 16 33 For 7713 C7729 C7726 Ne A Eus PANEL_VCC 2 2 4 1 16W 4 SMAS OPT RIPRO 5 17704 47K 5 22 D7701 GMA9 7 e gt TCOMP 6 GMA 9 7723 7 GMA10 Li0uF 40V CH K 10 25V 47k ohm d 18 8 comp gt 9 ssl gt 12 A gt RE GMA 5 1 4 R7717 C7731 o VCORE spe HP Is t5 7 LE C7740 GMA als 16v REVERSE C7736 50V 2 GMA18 i 1000 18 50V 1 16 GND 3 VCC18 a K LOCK_O at 4 gt EPI_LOCK8 6_SOURCE A 5 1 a EPI LOCKA4 3 z 6 VCC18 7 42 47 55INCH OPTION sxe 1 1 VDD ERIS 7102 7103 da E NON 32inc 07702 87708 2 15 0 1uF 80 01 L E gt VCOM FB PANEL 50 50v 321NCH OPTION EE TXD2P TX15P 7
29. remote controller ind Ef A n 2 2 Select the Sound function of the Menu Mode a ee sea MRNA 3 Select the Sound Out 4 Select TV Speaker A24 Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error Established LCD TV symptom Audio error No audio Normal video 2014 01 20 when there is no audio date LDA2B models LDA2A models 24 Pin Power Board lt gt Main Board 200 2455 Inverter PWM 1 G 2 _ lt 0 lt AARTEN CODE Cm EI Mise E fle so x fife 4 i 7 Ate MAC ADDRESS Ze pam e w 2 sl m 1 BAR CODE LES GND GND L DIMO_VS 23 L DIMO MOSI 4 L DIMO SCLK EN EN Checking order when there is no audio 1 Check the contact condition of or 24V connector of Main Board 2 Measure the 24V input voltage supplied from Power Board If there is no input voltage remove and check the connector 3 Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal A25 Copyright
30. EB_ADDR8 5 L28 EB_ADDR 9 T 9 EB 0 EMMC_CLK lt EMMC_CLK EB_ADDR10 G33 F29 EB ADDR 11 EMMC CMD EMMC_CMD EB_ADDR11 5 EMMC_RST lt EMMC_RESETN EB_ADDR12 EB ADDRIIZ EE EMMC DATA 7 031 2 C33 EB ADDR 13 EB_ADDR13 E C DATA 6 F33 C31 EB ADDR 14 IA EMMC DATA6 ADDR14 E 5 33 A EMMC DATAS ADDR15 EMMC 4 32 DATA E DATA 3 F31 BOIS E C DATA 2 D33 zu B32 _ 0 EB ADDR 0 14 i necem eonan sz kx DATALL _ 0 E23 B31 EB DATA 2 102 EB ADDR 0 14 gt _ EB_DATA3 EB 4 _ 0 7 Pa B30 EB DATA 5 C30 EB 6 EB_DATA6 575 EB 7 EB DATA 0 7 2 I2C 1 AMP Jtag 1 I F I2C 2 T CON L DIMING 3 3V_NORMAL 3 3V_NORMAL I2C_3 MICOM I2C 4 S Demod T2 Demod LNB 3 NORMAL 3 3 NORMAL 12 5 LOCAL DIMMING IZ2C CONTROL A A I2C 6 TUNER_MOPLL T C ATV P103 P104 3 3V_TUNER 3 3V_TUNER 12505WS 10A00 JTAG CPU OPT 2 PULL UP 3 3V NORMAL 5 TN cxi oul Ox n P102 r L DIMO_VS N TRST_N1 S ox S T o x
31. Fas o ao o oo 6 zi 50 51 oo 15 se o ao oo oo oo 1 o oo Peo sc ir ss 1o oo oa 20 20 20 20 20 20 Ego oz os 29 i 4 10 c 13 14 os o2 12 20 a gt 15 o 29 06 co 15 o7 so o 57 07 os 00 o s 15 7 1c 16 Ego 20 se zc zs oo o oo o 10 HDMI EDID DATA 3D re rr e rr e rr o eo so amp 99 26 Ez o so a o o s amp Exe f 4 se 2c es on 4 oo o z so s 15 zo oo 4o es oo 1 oo oo ro w 3A ae 10 00 20 20 29 20 29 26 sa ri a 20 oF os 13 os 14 os o2 12 720 21 w 0 DO 1A 20 88 55 oo AO sa oo oo oo 1A 80 S o _ 5 1 tate 1s 71 ss 20 40 se 2 45 Ao oo oo 1 66 ET 21 so si oo 18 4
32. R7709 EPI NON 32inch 6 Lane case cus 0 a UN 7 7732 cT 1728 R7707 gPI 32inc M luF R BOT 9 VCOM FB2 Sumus TXDCLKN TX14N VDD GB TOUS R7710 TET FB PANEL FB1 TXDCLKP TX14P OPT 9 R7702 32inc GND 8V Z OUT 0 gt VCOM_L_FB 3 3V_NORMAL 6 LN 7 R7716 32inch uM ee E VCOM TOP TXD3N TX13N 0 9 R FB 6 R7712 OPT TXD3P TX13P R7741 GND 1K VCOM_R_BOT 9 gt VCOM_FB1 87766 EPI NON 32inch R7714 5 DD VCOM FB PANEL VCOM FB2 VCOM BOT gt 0 VCOM BOT VCOML V EPI CTI 9 E J TXD4N TX12N EPI5 1 6V TXD4P TX12P R7767 GND VCOM_BOT gt A H_VDD d EPI NON 32inch R7719 VCOM OPTION TABLE VCOM lt VCOM L BOT VDD V14 42 551NCH V14 321NCH T EPI NON 32 nch R7721 0 EXT OP NOT USE EXT OP AMP USE EXT OP AMP NOT USE EXT OP AMP USE FB 2 EO SOC R7703 47 EO xc p 1 7702 NC 87716 0 onm 127702 USE 7710 0 ohm 7702 1c7302 USE gt VCOM FB 1 168 p 50 7760 7766 0 ohm C7760 USE R7716 NC C7760 C7760 USE VCOM_R_BOT se 15pF 17706 Nc 87767 NC 17706 use 7766 0 ohm 17706 17706 USE P RST ven GLP 50V
33. euo o DVDD25_XTAL avpp11_c4Tx_1 ZR a DER AVDD25_DR3PLL ADIL L8 1 HOO Wize vors 12 1 DDR GND_181 9 AVDD11 CATX 3 Di L A AA12 26 182 4 Li ae AVDD11_C4TX_4 1 1V_VDD G GND_183 D25_AUD N L13 26 GND_184 ABAS D25_APLL L14 11 G18 G GND_185 DVDD11 XTAL 115 PREIS AB12 DVDD11 DR3PLL o e L16 A Eg 13 B AVDD11 DMD L17 14 23 n A PT L19 G GND 188 15 EET m dLce29 C631 C633 G GND_189 Dii DMD lt 120 16 25 22uF 0 1uF 0 1uF G 190 DD11 DMD 2 e 10 16V 16V Bes G GND 191 DVDD18_EMMC 7 18 GND_192 e M8 AB20 L26 GND_193 D18_EMMC_1 Mil AB22 M26 GND 194 018 2 soe ae M13 AB30 GND_196 M14 AB31 GND_197 15 16 1 5V_DDR mie 198 f cze GND_199 M17 AD26 GND_200 M18 26 GND_201 M19 AF6 202 22 AF8 GND_203 M27 AF9 204 N7 AF10 GND_205 C632 mm 634 N8 AF11 22uF 0 1uF 0 1uF 1115 GND_206 GND_207 10v 16 16 p Tm GND_208 N19 AF14 GND 209 N20 AF15 GND_210 N21 AF16 GND_211 N22 AF17 GND_ GND_212 N23 AF18 GND_ GND_213 N26 AF19 GND_ GND_214 27 AF20 GND_ GND_215 N30 AF21 GND_ GND_216 P7 AF26 GND_ GND_217 P8 AG20 E GND_218 GND JIG POIN P11 ae RE AG25 P12 AG31 GN
34. gt TXBIN TX4N BIT4 TX 4 gt 1 27 27 4 5 gt TXBON TX5N BITS 27 AN3 5 oe 5 gt TXBOP TX5P 4 eae DATA 3 26 2 e 7 Du TX TXA4N TX6N DATA 6 gt TXA4P TX6P TPI 5 251 AMA P TX 7 TXA3N TX7N e MODEL OPT 8 TT 7 3 DATA 7 ze 222 gt TXACLKN TX8N M MODEL 9 TIE TX_8 Xu TXACLKP TX8P 9 MODEL 10 MODEL 11 TX 9 gt TXA2N TX9N SC DET e 5 DET 212 gt TXA2P TX9P m E TP225 E TX 9 2 1 T rx ios 52 gt TXALN TX10N guam zala E ET um SEC 240 5 2D 3D_CTL gt TXA1P TX10P NR 595 92 aue RF_SWITCH_CTL lt inm rx iiw 2 TXAON TX11N S ag i a d TU RESET AH18 TEM AH2 11 H F3 us 24 a6 E oe ve AMP RESET N TU_RESET2 350 Tx 128 gt TXD4N TX12N ns E Ma mao Mal Za a _ _ R226 BT lt TXD4P TX1 M z 9 gt 199 BT_RESE1 T TXD4P TX12P a C oen N N rx gt TXD3N TX13N a 1 16W 5 Re NN 5 224 HPDE AJ6 4 gt
35. 12mils to Signal Width 12mils Ground Width gt 24mils IF_AGC_TU lt t lt C6502 close to Tuner TU_ALL_IntDemod Qe FUE 16v AR6500 AR6500 1 _ 33 200 1 16W 1 16W 12 5 16 I2C SCL6 s Ss YS EMIT 7 I2C_SDA6 z A 3 3V_TUNER 20v N TU W CO T3 3V TUNER 12 50 6 TUX 10 W CO TW D E 1608 perallel eu because of derating oR TUNER_SI 5 TU ALL 2178 STR AML 2178 U ALL 178B R6513 0 86516 R6517 m R6504 200 200 P TU gt gt IF_P S C6517 n emo _ALL_ m T 22uF REEDE T should be guarded ground Match GND VIA 9 V 5 iov T 10 TU EU BR TW CO E N TU 85 TU_ALL_IntDemod 33pF U ALL 2178B TU H M EU BR TW CO B 06502 MMBT3906 NXP TU_SIF_TUL gt M KR EU W_ALL TU TU 1650 3 3V_TUNER BLM18PG121SN1D v 6510 0 1uF 3 TUX x TU M KR EU W ALL T2 Max 1 7A 1 else Max 0 7 DEMOD1
36. 7173 5 13 DIODES 8 2K P 12 3 5V BD48K28G P BOTH 12 3 5 DIODES R2349 3 39V eMMC 4 41 LG1311 A0 3 3V NORMAL 2 162308 1 T m 100 7 803 29 R2328 P DET BOTH 12 3 5V IN OUT 1 5K 02356 24 gt 3 4 3 3V_NORMAL 3 3V EMMC f N 1 12 gt 3 58 E A 5V NORMALA E P_DET_BOTH_24_3 5v hal aia 2 22 7 S E 4 T x C2346 C2357 Ss Z 0 1uF gt 12302 e 3 6 N jos Tee C2337 o R2 rn us Na R2312 EN GND x BLM18PG121SN1D A 50V 2305 2300 POWER 2 1 Se 1uF 22uF 10K 16 10v ek 62327 DDR MAIN 1 10 Ej aS POWER_ON OFF2_2 N H mec2353 Vout 0 8 gt 1 R1 R2 0 1ur 9 3 5 ST 16 2341 1 5 DDR zm 0 1uF H EL GY XL Do 4 1 80 5 3 L2308 O R F NR5040T2R2N CORE V A0 A1 ress R2319 1 e 0 7K e DVDD18 EMMC N RI 16W C2339 C2340 3 3V NORMAL 0 1uF m C2345 m C2349 S 231 10V 16V 22uF 22uF X S 10 7 N pl BD9A300MUV C2342 10V 10 ONG 5 CORE A0 A1 E R2316 R2320 1 a 0 01 39K Sa E oe MN C2354 gt 2 H m RIETI 16W R aS ao 00pF 1c2306 ole R1 5275 sov AZ
37. C6905 10uF 1 25V 25V 25V LNB LNB LNB ii a close to Boost pin 1 e c nm Oc 12V THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES OPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USE IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SC Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes 1 3A 6909 10uF 25V LNB A_GND close to VIN pin 15 m C6910 O 1uF PAGE 26 Au GP GP GP GP Input trace widths should sized to conduct least 3A Ouput trace widths should sized to conduct least 2A Caution me GND R6904 0 A GND R6903 39K 50V i i LNB D6901 _ MBR230LSFT1G ERMAL 21 V x e dg IC6900 55 5 34 i LNB 50V 40V 922 LNB 25V 52 D6903 1 LLI 0 1uF 40V Q 5 x GND GND 3 3V_NORMAL N 5 jaa gt al d om len zx O o
38. HDTV 1080P 148 5 Top and Bottom Primary HDTV 1080P Side by side half Secondary HDTV 1080P 59 94 60 148 35 148 50 56 250 C N N Primary HDTV 1080P 67 43 67 5 Side by side half Secondary HDTV 1080P N N N lt gt lt gt lt gt lt gt lt gt T N gt N N Copyright 2014 LG Electronics Inc All rights reserved a T LGE Internal Use Only Only for training and service purposes 7 2 HDMI Input 1 3 H freq kHz V freq kHz Pixel clock MHz 3D input proposed mode _ tom Checker Board Frame Sequential 12807720 45 00 60 00 74 25 720 Row Interleaving Column Interleaving 1280 720 37 500 74 25 HDTV 720P 1920 1080 3375 60 00 74 25 HDTV 10801 20 T 3D Side by Side Half Top amp Bot 6 192041080 28 125 50 00 74 25 HDTV 10801 1920 1080 27 00 24 00 74 25 10802 _ 2D to 3D Side by Side Half 8 Bot 8 192041080 28 12 74 25 HDTV 1080P tom Checker Board Row Interleaving 1920 1080 33 75 30 00 74 25 HDTV ogo Setup Inieneaving 2D to 3D Side by Side Half Top amp 1920 1080 67 50 60 00 148 5 HDTV 1080P a Bottom Checker Board Single Frame Sequential Row Interleaving Column 7 3 RF Input 3D supported mode manually 2 10 30 576 Side by Side Half 25 amp SD ATV 5 SCART 7 4 RF Input 3D supported mode aut
39. Sub B C 14 V Com 15 Ext Input Adjust Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into V Com of item 14 3 Check and adjust V Com value A28 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes
40. Z 560pF 50V 50V 50v 205 ____ e e e C Improve the Vertical dot noise Vl14 LGD PANEL EPI P7702 FLRLISOSOHAL EPI V12 V13 LEFT lt T CON POWER BLOCK gt gt GIP_RST P7703 EPI 8 Lane 11 5 5 1 1 R7715 7 OUT 2 CLK1 3 CLK2 m CLR 1 C C 5 8 9 ODD ODD 0 _ VSS LL lt ver VDD H_VDD 2 9 16 8V VST 3 RST IN ERST 4 VCOM L BOT VCOM L BOT 5 VCOM FB Z OUT 6 1 lh VCOM FB VCOM TOP 7 GND VDD j VDD H_VDD 9 GND 4 umi lt TXB2N TX3N TXB2P TXS3P GND 6 Lane case d N UNA IXBCLHKNVTXZN GND 2 2 CCAS lt 2 A GND A EPI1 Wr TXBAN TXON Mn TXB4P TXOP VCC18 9 VCC12 see C7700 C7701 0 01uF 0 1uF LOCK_O ao GND GMA18 GMA18 15
41. 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 mem A Sid 1 5 o E Bo PUR rtm 25 i e 9 Copyright 2014 LG Electronics Inc All rights reserved 22 LGE Internal Use Only Only for training and service purposes System Configuration PAGE 1 ICID3e tT O M24256 BRMN6TP
42. 0017 0 DDR 017 N DDR 0014 DDR DQ30 C12 oe e oe A3 DDR 0018 0 DDR 018 ori de 0 DDR 015 MO DDR DQ31 0 019 115 0 019 mex M x DDR 0020 DDR 0020 m 4 5 MO DDR 0021 DDR 0021 EUER Bus 0022 E E DDR 22 M 5 MO_DDR_DQ23 0 DDR 0023 e 2 DDR 0024 DDR 0024 1 10 BT we T BT MO_DDR_DQ25 0 25 a MO_DDR_DQ26 0_DDR_DQ26 C11 o DDR 0027 0028 516 0 DDR 028 DDR 0029 c 0 DDR 029 DDR 30 0 DDR DQ30 MO_DDR_DQ31 0_DDR_DO31 E7 R40 240 wai DDR ZQCAL IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION Lc ELECTRONICS 2012010 THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics ULK Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes SYMBOL MARK OF THIS SCHEMETIC DIAGRAM IN IC101 LG1311 DDR VREF1 M1 DDR VREF2 DDR AO DDR A1 DDR A2 DDR A3 DDR A4 DDR A5 DDR A6 DDR DDR A8 DDR A9 DDR A10 DDR A11 DDR A12 DDR A13 DDR A14 DDR A
43. 15 E 3 DR D DDR DMO 2 z D A18 c DR D 2 gt MO_DDR_DM1 e e e e 0 DDR 051 DDR 0053 B DR D 5 gt MO DDR DM2 DDR DOS N1 DDR 005 N3 DR_D gt MO_DDR_DM3 E oe DDR DMO M0 DDR DM2 B20 406 53 DR 3 0 DDR 000 ts 402 5 MO_DDR_DM1 MO_DDR_DM3 e DR 001 0 DDR 0 1uF 0 1uF 21 Us E3 0 DDR 002 0 DDR 002 MO DDR 000 MO DDR DQ16 DDR R2 0 DDR DDR DDR 0017 EE 0 DDR 04 XT 0 DDR 04 DDR DQ2 DDR DQ18 0 DDR DQ5 E DDR 5 MO DDR DQ3 MO DDR DQ19 0 DDR 0 DDR DDR MO DDR 0020 e E H 0_DDR_DQ7 al 0 DDR DDR 005 DDR 0021 0_DDR_DO8 115 DDR DDR DDR 0022 2 0 DDR DDR DDR 007 DDR 0023 ES C DDR 0010 DDR DQ10 C20 D7 DDR 0011 0 DDR 0011 DDR 008 DDR 0024 F DDR 0012 0 DDR 012 DDR DDR 0025 MO DDR 0013 S15 MO_DDR_DQ13 1 5V DDR 1 5V DDR MO DDR DQ10 MO DDR DQ26 25 DDR 515 0 DDR 014 DDR 0011 DDR 0027 E DDR 0015 0 DDR 015 DDR 0012 DDR 0028 zm DDR DQ16 016 MO_DDR_VREFDQ MO_1_DDR_VREF DQ MO_DDR_DQ13 MO_DDR_DQ29 5 m EC C B DDR
44. A15 M2 DDR BAO N8 DDR M3 DDR BA2 27 M1 K7 M1 D CLKN K9 M1 DDR CKE L2 K1 M1 DDR ODT 23 1 DDR RASN K3 M1 DDR CASN 1 DDR WEN T2 DDR RESET F3 M1 DDR DQSO G3 DDR 5 NO C7 M1 DDR DQS1 B7 05 1 M1 DMO D3 DM1 DDR_DQO DDR 2 DDR 002 F8 DDR DQ3 H3 DDR DQ4 H8 DDR 005 G2 DDR DQ6 H7 DDR DQ7 D7 DDR DQ8 009 1 DDR 0010 c2 M1_DDR_DQ11 A7 M1 DDR DQ12 A2 M1 DDR DQ13 B8 1 DDR 0014 A3 1 DDR 0015 1 5 DDR M1 DDR VREFCA M1 DDR VREFDOQ R518 240 gt z 0 0 d 0 Q 0 Q0 Yo gt 0 e luF ae lt 5 25 LG ELECTRONICS IC502 H5TOA4G63AFR PBC DDR3 4Gbit 512MB HYNIX 1600 29n VREFCA VREFDO A10 AP All 12 13 Al4 15 gt 4Gbit 7 14 1 3 M1_DDR_AO 7 M1_DDR_A1 P3 M1 DDR A2 2 M1_DDR_A3 P8 M1_DDR_A4 P2 DDR A5 R8 M1 DDR A6 R2 DDR A7 T8 DDR A
45. A6 E16 4 Gbit N3 4Gb t 0 DDR 9 gt DDR A7 0 DDR AO 0 x16 VREFCA 0 gt 2 0 1 E x P 0 DDR A8 gt M0 DDR A8 0 DDR A1 A1 0 DDR A1 A1 x16 0 DDR A9 ET M0 DDR A9 0 DDR A2 512MB HYNIX 1600 29n 0 DDR A2 R3 aBDR_512MB_HYNIX_1600_29n di S 22 N2 DDR_A10 5 gt 0 DDR A10 0 DDR A3 VREFDQ 0 DDR A3 VREFDQ B D P DDR A11 DDR A11 0 DDR A4 A4 t1 5V DDR 0 DDR 4 A4 1 5V_DDR D11 1 5V_DDR 2 DDR A12 MO0 DDR A12 MO DDR CKE 0 DDR A5 5 R418 0 DDR 5 gt R419 _DDR_A13 DDR A13 0 DDR 6 6 0 DDR 6 6 ET DDR A14 240 Re 240 DDR_A14 5 R417 0 DDR A7 AT 15 DDR 7 7 1 5 DDR A15 A15 10K 0 DDR A8 8 DDR A8 A8 OPT 8404 R3 0 DDR A9 A9 D 1 0 DDR A9 5 A9 p DR_BAO DDR 10K MO_DDR_A10 A10 AP D 2 0_DDR_A10 A10 AP _2 ES gt 0 DDR MO_DDR_A11 All e 0 DDR A11 gt RT zn D 3 RE 11 3 13 gt DDR RESET N7 BA2 gt MO_DDR_BA2 MO_DDR_A12 12 D 4 0 DDR A12 5 12 4 38 T DDR A13 A13 D 5 0 DDR A13 A13 D 5 T DDR 0 8 0 0 MO DDR A14 A14 D 6 e 0 DDR A14 gt 7 D 6 2 BRUM M DDR gt
46. AG28 31 10 CPU 1056Mhz MO 1 DDR 792 792 Mhz 132 11 CPU 960Mhz MO 7 1 DDR 792 792 Mhz 888204 USB3_RXM1 TRST_N lt _DIO TRST1_N USB3_RESREF1 5 55 51 lt Anz 1 81 81 db iid RETA Extenal test only IRB SPI 1 lt SPI SCLK1 TCK1 XU USB 1 a IRB_SPI_MOSI TDO1 5 1 1 VBUS CTRLO USB 1 IRB SPI MISO TDI SPI 1 1 RION uA FORCED OL gt R182 10K AJ12 uda PTT AUD E 183 10K rd J28 USB_CTL2 1 R184 10K 2 EXT 5 1 US B OCD3 m aci EXT INTR2 EB_CSO USB_CTL3 EXT_INTR3 S REN ins gt _ _ ER s 8 EB WE SOC_RX 2625 UARTO_RXD N 55 EB OE N ID gt EB OE SOC lt WAIT 7 T SB N1 M REMOTE gt as BE 1 1 xs 78 SSS SS SS ay M lt UART1_TXD EB_BE_NO 0 3 3V_NORMAL 3 3V_NORMAL 8 28 M Mos T ET UART1_RTS_N CA CAM_CD1_N 0 2 orma ode 1 01 10 11 Internal Test mode TASTANT Poat MODE BOOT MODE UART1_CTS_N CA
47. B information Component Replace Main B D Fix information ecognition error S W Version N Y RGB HDMI DVI Optical Recognition er Check and fix Fix in accordance with technical information external device cable Replace Main B D 12 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error Noise date 2014 01 20 symptom ymp Circuit noise mechanical noise Revised date 12 13 Replace PSU with LED driver Check Identif y OR location of noise Replace LED driver Check location of noise noise type E When the nose is severe replace the module Mechanical noise is a natural For models with fix information upgrade the S W or phenomenon and apply the 1st level provide the description description When the customer does not agree apply the process by stage If there is a Tak Tak noise from the cabinet ie Describe the basis of the description refer to the KMS fix information and then proceed Part related to nose the Owner s Manual as shown in the solution manual For models without any fix information provide the description 13 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process z Established Error F Exterio
48. C6513 D lt TU M W C6506 50V 0 1uF 86509 33 LNB_TX gt gt LNB_TX I2C_SDA4 C6512 TU_M W 18pF 50V I2C 5 4 lt LNB OUT LNB OUT L FE_DEMOD2_TS_ERROR gt FE_DEMOD2_TS_ERROR FE_DEMOD2_TS_SYNC gt FE_DEMOD2_TS_SYNC FE_DEMOD2_TS_CLK FE_DEMOD2_TS_CLK FE_DEMOD2_TS_VAL gt FE_DEMOD2_TS_VAL FE_DEMOD2_TS_DATA gt DEMOD2 TS DATA R6502 TU W 100 TU RESET2 TU RESET2 lt 205 SECRET LGElectronics LG ELECTRONICS o RESET2 TU 1 1V TU M W 1 1V TU M W o TU RESET2 e FE 1 TS ERROR MODEL DATE BLOCK LGE Internal Use Only SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN ESSENTIAL WHEN SERVICING IF 15 SYMBOL MARK OF THE SCHEMETIC Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 22 R6702 2 TU_GND TUG OL TDJH G101D TU6702 TDJIM G101D W JP TU6703 TDJW J201F
49. Lr gu b VA4604 M Ts AUDIO L z B_GND AUDIO_GND AUDIO_L_OUT 4605 AUDIO IN 722 U _ _ AUDIO_R_OUT uen 4600 T 20V 5 008 01 eU JK4600 S0 T VA4611 5 6V EU gt 4606 5 6V EU BLM18PG121SN1D 14600 Te DTV MNT_L_OUT VA4607 EU EU EU 5 6V F 4600 C4602 EU 1000 70008 50V BLM18PG121SN1D L4601 e m CEU DTV MNT_R_OUT VA4608 EU EU C4603 5 6V 7 ji C4601 4700pF EU 1000pF THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES OPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics 25 05 15 LGE Internal Use Only 16 Ethernet Block NON 1856 JK5000 MOLD LAN JACK RJ45VT 01SN002 JK5000 1 RV3 2032ADA3 EPHY RDP RDN 05000 25001 05002 05003 5 5V T 5 5V T 5 5V T LAN_ESD LAN_ES LAN_E SYMBOL MA
50. Status Tm BOOT Version 4 System 1 EDID RGB HDMI 5 System 2 6 System 3 Wi Fi Channel 7 Number D L 8 Test Option IP Address 169 254 155 63 9 Spread Spectrum Widevine LGTV14CLGE000050027 10 Stable Count ESN Num gt 11 SDP Server Selection HDCP1 4 12 RF Remocon Test HDCP2 0 13 55 RF Receiver Version Wi Fi Magic Search Camera Ver NULL Debug Status DEBUG Access USB Status AT UTT 0 APP History Ver unoffici PQL DB LGD_ELF_SI2178_XXXXXX Press the IN START with the remote controller for adjustment A7 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error A Video error residual Established 2014 01 20 LCD symptom cate Content LCD TV connection diagram ua td A8 LD42B models LD42A models um o RM D 141 7 CODE fs Bey ser E T EL MAC ADDRESS 421 5 I T 175 the part connecting to external input check screen condition by signal 8 Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and se
51. ang mo 12507WS O4L nm lion Palo Eo gt TDIO IRB SPI MISO TDI S ad 2 SDATI 96 of lt om om 2 m lt 575 5 DIMO_MOSI TDOO gt IRB_SPI_MOSI TDO1 giles ag 22 I2C_SDA_MICOM_SOC HONORE 54 ae LED L DIMO_SCLK IRB SP MS1 gt I2C SCL SOC SCL C SPI_SS TMS1 pie a a n ae IZC 50 2 LED SDA TCKO IRB SPI E 120 SOT gt SOC RESET SOC RES 28 gt _RESET IZC 50 4 gt 0 N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC GElectronics 14 ELECTRONICS BEET Tera emer 73 775 I Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 2
52. aoe N USB_DP3 LO BL o m C4310 GAST 4 A o ae 220 ey ow av 10V 10 m na n ES USB3 5 SECRET LGElectronics DEV_RCLAMP0582B USB3 K4300 USB DOWN STREAM 205 22 D4300 1 RCLAMPO582B gt re LG ELECTRONICS MUDEL DATE BLOCK GHE PAGE 13 324052 L LGE Internal Use Only 3 3V_NORMAL OCP USBL 5V_NORMAL R4501 4 7K value change POR C2 2637 gt 4 7K 2 97V USB_OCD1 lt e USB CTL1 4500 LUF 16V R4500 10K 5V_USB_1 OCP_ROHM 4500 BD2242G VOUT ILIM 14K OCP_ROH R4502 16K R4502 1 DIODES 1 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes SECRET PAGE 14 LG ELECTRONICS D4500 1 RCLAMP0582B n
53. nolis MAIN 24 2 3 3V NORMAL LOADCAP 5 PCB4 E 10 AE B23 9 L IC103 5 101 ala Prec AT24C256C SSHL T d TIBI a23 377 WIELDE OPT T luF XTAL OUTX MAIN 0582 0 DMO WIFI DM Lr E NVRAM ST R169 USB2 0 TXRTU ANS DOS 2 e 1 200 R171 Write Protection SOC_RESET H32 E 33 0582 1 DP USB als EN 10 ti AL C104 AJ18 231 2e R180 0 198 BOOT_MODE BOOT_MODE 2 1 USB_DM3 i WW XTAL OUT 18 USB2_1_TXRTU ares 2 E 143 33 3 350 sis PLLSETO PILSES x 1 200 R172 5 1 PLLSET1 USB3_DPO0 USB 1 M LOADCAP DVB 5544 35 er ees 32 USB DM E gioii ER AD8 P33 OPMO USB3_TXPO 1 2 UN Y 33 L DIMO lt TE VSOUT_LD TRSTO_N USB3_RXMO ad ii L DIM LK lt 0_SCLK TMSO 05863 RESREFO Eoo T D 1 200 R173 lt RIS HE mE 1_MOSI TDIO USB3 DP1 USB_DP2 MOS 0 MOSI TDOO USB3_DM1 aS USB_DM2 PLL SET 1 0 internal pull up USB3 TXP1 00 CPU 1200Mhz MO 1 DDR 792 792 Mhz MED LER Q1 CPU 1056Mhz MO M1 672 672 Mhz
54. when on off whiling viewing aC 2014 01 20 Content POWER OFF MODE checking method eJ A22 IN START e 2 Model Number D L LED 1 Test Option EDID RGB HDMI tel ADI Chip Type Spectrum Host Ver Sync Level 8 POWER OFF BY REMOTE KEYI 9 POWER OFF REMOTE 43 10 POWER OFF BY REM 11 POWER OF BY 12 POWER OFF BY B Ver 11 Wireless Ready 1 Stable Count Wi Fi Channel ODC Test 00 00 00 00 00 00 Local Dimming SDP Server Selection Network Error History 13 POWER_OFF BY REMOT 14 POWER OFF KEYI 15 POWER_OFF_BY_REMOTE_KEY1 16 POWER OFF BY REMOTE 18 POWER OFF BY REMOTE 3 29 m x 88 ami HH mes 21 POWER OFF BY REMOTE KEY 22 POWER OFF BY REMOTE KEY1 23 POWER OFF BY UNKNOWN Entry method 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 A22 Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Audio audio Normal video que 2014 01 20 Revised Content Checking method in menu when there is no audio date lt ALL MODELS gt T il M SM M MAN Checking method in ds W 1 Press the Setting button
55. 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 gt DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16 64 QAM 128 and 256 DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 Scart 1 Jack is Full scart and support ATV DTV OUT testen not support DTV Auto AV Video Input RCA 1EA PAL SECAM NTSC4 43 oysiem A SEC AM PALO Hybrid Type 7 our Antenna AV1 AV2 Component USB1 USB2 USB3 Y Cb Cr EN Component Input 1EA Y Pb Pr 000000000000 HDMI1 DTV HDMI Input 3EA HDMI2 DTV version 1 3 HDMI3 DTV PP DVI Audio 10 Audio Input 3EA Component AV2 L R Input AV 1 18 EthernetConnect 1EA EthemetConnect O 14 slot IEA PCMClAslot Copyright 2014 LG Electronics Inc All rights reserved e LGE Internal Use Only Only for training and service purposes 5 Component Video Input Y PR Specification e S00 amp umm fas 7 umm _ Caa Copyright 2014 LG Electronics Inc All rights reserved ls LGE Internal Use Only Only for training and service purposes 6 HDMI Input 6 1 DTV mode e 12
56. 7 701 a 10 gt CI IN TS DATA O0 PO 1 CI IN TS DATA 1 PO DATA 2 gt IN TS DATA 2 13 gt CI TS DATA 3 PO DATA 4 CI IN TS DATA 4 PO DATA 5 gt CI IN DATA 5 PO DATA 6 gt CI TS DATA 6 DATA 7 gt CI IN TS DATA 7 AR702 CI 33 CI ADDR O 33 CI ADDR 1 TPO CLK C gt CI_IN_TS_CLK CI_ADDR 2 TPO_SOP gt IN TS SYNC CI ADDRIS3 TPO VAL gt gt CI IN TS VAL ADDR 4 ADDR 5 5V NORMAL CI ADDRIG CI_ADDR 7 eo CI_ADDR 8 See 104 gt CI_ADDR 9 meo geo PCM WAIT WAIT N E CI_ADDR 10 PCM_IRQA CAM IREQ N CI_ADDR 11 CI_cD2 5 m CAM_CD2_N CD1 C1 1 5706 lum up 16v 16V L 705 CI PCM_INPACK cam_INPACK_N CI_TS_CLK gt TS VAL 188 TPI VAL C708 CI_TS_SYNC TPI_SOP 12pF 50V OPT 706 CI CI TS DATA 7 71 CI TS DATA 6 TPI DATA 6 5 DATA 5 151 100 gt TS 4 _ 4 707 CI_TS_DATA 3 DATA 3 TS DATA 2 DATA 2 CI TS DATA 1 TPI DATA 1 100 TS 0 0 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM IN CORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SER
57. B LS NM Si 7 D cl LNB_ALEGRO z R6906 1 0 WN 5 555 m z Ho k x g O Z 3 CN CN H H 1 16W 1 11 2012 03 08 LGE Internal Use Only LVDS 51Pin LVDS OUTPUT Connector P7201 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 2515 7 1500 R7210 33 2D 3D_CTL C Box R7200 2 3 CTRL 0 2D 3D_CTL e LVDS_SEL 3 3V NORMAL R7217 3 3K LVDS_SEL_HIGH OPC_EN RAOP 1 11 11 1 10 2 1 RA2P TXA2N TX9N RACLKN RACLKP TXA2P TX9P TXACLKN TX8N TXACLKP TX8P TXA3N TX7N TXA3P TX7P TXA4N TXON TXA4P TX6P 2C SDAI1 C CP BOX R7201 0 2C_SCL R7204 0 VDS_SEL R7218 PWM
58. C6304 1 16V JAPAN R6313 75 75 ohm I O is for short circuit Protection 3 3V NORMAL zZ ond Ay R6314 1K B JAPAN 206300 2 a 5 A gq E aie THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ECTRONICS MUDEL DATE ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR BLOCK THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and service purposes 1 2 3 4 5 6 7 8 lt 1 opa Option Name d CPU 10 gt Tuner Name TDJ H TDj M Country KR US BR EU a 1 of Option name TU ALL IntDemod All Tuner type for Internal amo 2 apply Type Tuner 14 14 Tuner
59. D D CLKN DR M1 DDR VREFCA 1 D 502 T 0 1uF DR M1 DDR VREFDO vu e H i E e X e e SECRET VREF M1 1 A eo _ fy a o o R517 10K M1 0 e 4 0 CLKN 1 5V_DDR M1 1 DDR VREFCA 8 IN 5 lt ad 507 H T 0 1uF 4 5 1 5V_DDR LGElectronics M1 1 DDR_VREFDO Fam a re wo e 5 d SR lt 2 8 N gt peo H5TOA4G63AFR PBC DDR3 4Gbit 512 HYNIX 1600 29n VREFCA VREFDO 9 10 All A12 BC A13 A14 A15 4 4 4 N3 M1_DDR_AO 7 DDR A1 P3 M1 DDR A2 N2 M1 DDR A3 P8 DDR A4 P2 DDR A5 R8 M1 DDR A6 R2 M1 DDR A7 T8 DDR 8 R3 M1 DDR A9 L7 DDR A10 R7 DDR A11 N7 DDR A12 T3 DDR A13 T7 DDR A14 M7 DDR
60. LED and 22 KHz tone LED should be OFF 4 8 Option selection per country 4 8 1 Overview Option selection is only done for models in Non EU 4 8 2 Method 1 Press ADJ key on the Adj R C then select Country Group Meun 2 Select Country Group Code 04 or Country Group EU 5 Tool Option selection Method Press ADJ key the Adjustment remote control then select Tool option 6 Ship out mode check In stop After final inspection press IN STOP key of the Adjustment remote control and check that the unit goes to Stand by mode Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 19 7 GND and Internal Pressure check 7 1 Method 1 GND amp Internal Pressure auto check preparation Check that Power cord is fully inserted to the SET If loose re insert 2 Perform GND amp Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the auto check process Connect D terminal to AV JACK TESTER Auto CONTROLLER GWS103 4 ON Perform GND TEST If NG Buzzer will sound to inform the operator If OK changeover to check automatically Remove CORD A V form AV JACK BOX Perform test If NG Buzzer will sound to inform the operator If OK Good lamp will lit up and the stopper will allow the pallet to move on to next process 7 2 Checkpoint TEST voltage 1 DQA Test GND 1 5 KV
61. MO_U_CLKN MO_DDR_A15 15 7 DDR A15 gt 15 D_7 LU MO_DDR_D_CLKP 8 5 0 9 DDR D _D_CLKN MO_DDR_BAO 9 _DDR_BA 12 D CLK U CLK N8 MO_DDR_CKE gt MO_DDR_CKE MO DDR BA1 0 DDR 3 M 0 DDR BA2 0 DDR BA2 E19 ow o DDR x DDR 35 V MO_DDR_RASN gt MO_DDR_RASN d p D 2 V ki 5 2 DDR CASN gt DDR CASN D CLKN V e Ss 18 MO D CLKN MO U CLKN K9 DDR WEN gt MO DDR WEN DDR DDR gt V V 15 12 DDR RESET DDR RESET e 5 DDR ODT DDR gt V 18 413 luF 93 C429 luF DDR 008 PO 0 DDR 050 DDR RASN DDR RASN V e C18 C414 luF K3 C430 luF DDR DQS E DDR DQS NO DDR CASN e DDR CASN 5 V e DDR DQS 0 DDR DDR WEN DDR WEN gt DDR 05 0 DDR 05 1 1 5 DDR 1 5V_DDR T2 DDR DQS 0_ _ 052 DDR RESET MO_DDR_RESET_N DDR 5j DDR N2 N A DDR 5 0 DDR 0053 MO DDR VREFCA MO 1 DDR VREFCA ej dj X DOS DDR DQS N3 DDR 0080 DDR 0052 G N DDR 008 NO DDR 005 N2
62. Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright 2014 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 when ever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper patte
63. TS ERROR gt close Tuner gt FE_DEMOD1_TS_ERROR FE_DEMOD1_TS_CLK gt gt FE_DEMOD1_TS_CLK M W A Demod Core POWER ON OFF2 1 IC6500 FE TS SYNC gt gt FE_DEMOD1_TS_SYNC M W 2132 2 e xal MES M W P dw FE_DEMOD1_TS_VAL gt gt FE_DEMOD1_TS_VAL R6500 T Pe 5 2 0 1uF z 9 x 3 5V_ST p gt a EN ADJ BN s TS DATA O gt A 2 eS 7 ME ad T amg TS DATA 1 gt FE _ _ 0 7 VIN 3 6 VOUT gt e 1 TS 0 5 2 FE_DEMOD1_TS_DATA 1 5V NORMAL TAS 4 2A 5 HE TS 3 5 13 6500 C6518 L i0uF 10uF FE_DEMOD1_TS_DATA 4 lov 10 FE_DEMOD1_TS_DATA 4 gt TU M W FE TS DATA 5 A 6515 FE DEMODI TS 61 E 1 TS DATA 5 gt FE DEMODI TS DATA 7 10v TS 6 gt 0 6 1 R1 R2 TS 7 gt TU M W R6501 TU M W 100 TU RESET 3 3 TUNER TU RESET1 lt 1 TU_M W A C6507 L6503 16 BLM18PG121SN1D O0 1uF 3 3 DEMOD lt TO E C6511 TU M W 6510 33 2 SCLA TUX TU MZW 2 5 14 16505 7 TU M W BLM18PG121SN1D 4 E OPT
64. VST VDD R7770 0 ohm R7719 0 ohm R7770 1Kohm 7767 NC R7770 R7770 Tob VSS 7771 7719 7 771 R7771 VGL R7772 0 87721 ohm 0 ohm 0 ohm domus VGH EVEN GEOP ami VGH_EVEN R7704 47 R7708 0 ohm R7771 R7772 30Kohm R7721 0 ohm R7772 87772 Sor C ODD 1 16W R7709 VGH Lo m EROM SO KIZ 0 ohm 87708 0 ohm R7702 0 ohm R7702 0 ohm VGH 7718 87707 0 ohm R7707 0 ohm CLK6 87709 0 lt CLK6 15pF R7710 NC e CLK5 50V OPT 7711 0 ohm R7711 0 ohm CLK5 C7760 IC7702 R7712 NC R7712 luF UT RT9148GJ5 R7714 R7714 E 4 25V NC 0 ohm CLK2 RIUS 45 VOUT CLK2 MCLK_SOC MCLK VCOM lt e CLK1 1 16W CLK1 FROM SOC EPI 14 32 V12 V13 V14 32 V12 V13 R7723 C7719 Mec R7725 R7733 g 15pF GMA15 18 GMA15 9 gt GMAT EPI V12 V13 Z OUT 50V SET TES 87771 VIN R7770 R7726 R7732 VCOM 1 GMA18 gt GMA9 B 1 16W EPI V14 14 R7706 47 EPI_V14 32 _V12_V13 GCLK_SOC gt GCLK EPI_V14 32 _V12_V13 R7734 1 16W R7730 4 1 gt 2 10 4 gt GMA12 7720 7735 15 R7731 gt 50V gt GMA10 V14 14 LGElectronics SECRET LG ELECTRONICS BLOCK t con LGE Internal Use Only eMMC I F THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM IN _ 0 7
65. _HDMI2 5 1K AC30 DO _HDMI2 AB33 lt gt gt 1 HDMI2 32 PEST D1 _HDMI2 AA31 24 HDMI2 AA30 2 HDMI2 AD32 HDMI2 AD33 HDMI2 ABS DDC SCL 3 SDA 3 AB29 gt HDMI_HPD_3 AC28 5V 3 SOC Y32 DO _HDMI3 Y33 0 HDMI3 431 D1 _HDMI3 430 D1 _HDMI3 v33 D2 _HDMI3 v32 D2 _HDMI3 Y31 CK _HDMI3 Y30 CK _HDMI3 Y27 TA 5 4 Y28 gt HDMI_HPD_4 R375 AA29 10 MHL_DET 27 20 6359 i359 luF DO _HDMI4 5 1K T30 10V 7 DO _HDMI4 T32 D1 _HDMI4 T33 D1 _HDMI4 R31 D2 _HDMI4 R30 D2 _HDMI4 031 CK _HDMI4 030 CK _HDMI4 BLOCK 97e 7 SHEET LGE Internal Use Only 4
66. ary 2 1 Instant boot ZX 0 EMMC he gt 1 110 gt m 70 1 16 11 29 3 3 NORMAL 33 12C SCL aa gt PCM_CE2 gt CE2 5 x internal pull down 5 AR100 I2C SDAI1 CAM REQ N TP112 CAM OPT E Rus T28 ES TP113 gt PCM_RESE R101 3 3K gt INSTANT_BOOT gt 2C SCL MICOM SOC lt D E TS gt PCM RESET 114 lt I2C SDA MICOM SOC E TP Vm R102 3 3K as 20 8012 gt PCM_5V_CTL rr11s gt 5 gt DS AJ9 927 S i TP116 CAM WAIT N I2C_SDA2 S T CAM WAIT N I2C_SCL4 lt gt CAM_REG_N PRUTA gt 1 Extenal test only AJ22 poa I2C_SDA4 AH10 I2C 5015 lt INSTANT_MODEO BOOT_MODEO 12 5 5 AID 30 ADDR O0 L L AG23 55 EB ADDR 1 He ME REN 2C 5 6 24 EB_ADDRI EB ADDR 2 pras 6 w 28 EB ADDR A4 R107 aan 33 EB_ADDR4 f m29 EB 5 2 lt 33 ADDRS5 EAS PWM DIM R108 20 EB_ADDR6 a EB SEES 10K ABT n 29 E ADDR7 Em
67. command wb 00 00 and finish as end command wb 00 ff and Adj offset if need 2 Manual adjustment method 1 Set TV in Adj mode using P Only key 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10 cm of the surface 3 Press ADJ key gt EZ adjust using adj R C 7 White Balance then press the cursor to the right key When right gt is pressed 204 Gray internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the rest will be lowered to meet the desired value 5 Adjustment is performed in COOL MEDIUM WARM 3 modes of color temperature f internal pattern is not available use RF input In EZ menu 7 White Balance you can select one of 2 Test pattern ON OFF Default is inner ON By selecting OFF you can adjust using RF signal in 204 Gray pattern Adjustment condition and cautionary items 1 Lighting condition in surrounding area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10 cm and perpendicular of the module surface 80 100 LGE Internal Use Only 4 2 6 Reference White balance Adj coordinate color temperature Luminance 204 Gray Standard color coordinate and temperature using CS 1000 over 26 inch Standard c
68. for training and service purposes Standard Repair Process Detail Technical Manual A Video error video Audio Established 2014 01 20 Power Board voltage measuring method aol Check 12V 3 54 24 Pin Power Board lt gt Board 200 2485 CE 0 a we 10 GND GND EE L DIMO MOSI ES L DIMO_SCLK A4 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error Established symptom A Video error_Video error video lag stop 2014 01 20 TUNER input signal strength checking method Do OC lt ALL MODELS gt PROGRAMME TUNING Settings gt Quick gt Programmes gt Programme Tuning Auto Tuning Programme Mode Terrestrial Signal Test Cl Information Copy Programme v When the signal is strong use the attenuator 10 15dB 204 etc Antenna DTV 6 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error A Video error_Video error video lag stop 2014 01 20 symptom LCD TV Version checking method eee 1 Checking method for remote controller for adjustment IN START odel Name serial Number 1 Adjust Check S W Version 02042201 2 ADC Data Version 2 012 3 Power
69. humidity if there is no specific designation 3 2 2 LAN inspection solution 4 The input voltage of the receiver must keep AC 100 240 HOD WOE V 50 60 Hz Setting automatic 5 The receiver must be operated for about 5 minutes prior to the adjustment when module is in the circumstance of over 15 l In case of keeping module is in the circumstance of 0 C it E should be placed in the circumstance of above 15 C for 2 hours If you want manual connection enter Network connection at MENU Mode of TV Press Start connection key then In case of keeping module is in the circumstance of below Network will ba connecied 20 C it should be placed in the circumstance of above 15 C for 3 hours Caution When still image is displayed for a period of 20 minutes or longer Especially where W B scale is strong Digital pattern 13 and or Cross hatch pattern 09 there can some afterimage in the black level area 3 Automatic Adjustment 3 1 MAC address D L 1 key D L Widevine key D L ESN D L HDCP14 20 D L DTCP Setting state confirmation Connect USB port automatic setting is finished you confirm Communication Prot connection Address at in start menu mode Com 1 2 3 4 and 115200 Baudrate Mode check Online Only 3 2 3 WIDEVINE key Inspection Check the test process DETECT CI Widevine Confirm key input data at t
70. parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2014 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 Ear
71. the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only 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 coa
72. 0 7o 36 oo Ao oo oo 1 71 1 oo 00 oo 00 00 00 20 zc 45 oo 40 00 oo 1 o amp o 15 71 1c 16 20 2c 25 oo 20 63 oo 0 9 10 o 72 po 20 28 55 o 4o oo 1 oo 00 00 oo 00 o oo 00 oo 00 HDMM the data of EDID bellows may be different by S W Reference Input mode HDMI1 HDMI3 4 Product ID of EDID bellows be different by S W 8 Product ID EDID Table DDC Function a pigia 0001 0100 6 Serial No Controlled on production line 0001 0100 Month Year Controlled on production line ex Monthly 01 01 6 Serial No Controlled on production line Year 2013 gt 47 Month Year Controlled on production line Model Name Hex LGTV ox 12014 18 6 Model LGTV MODEL NAME HEX Checksum LG TV Changeable by total EDID data 00 00 00 FC 00 4C 47 20 54 56 OA 20 20 20 20 20 20 20 Checksum LG TV Changeable by total EDID data XvYcc XvYcc Vendor Specific HDMI INPUT MODEL NAME HEX HDMI 67 03 0C 00 10 00 80 HDMI2 67 03 0C 00
73. 0720 449145 HOIVIZP _ s 28425 5000 _ 9 2597127 2397124 HDTV 10007 _ 6 2 PC mode H freq kHz V freq Hz Pixel clock MHz 0 gt VESAVGA VESASVGA O VESA KGA sass _ VESA VESA SXGA s 1960x768 60 VESAWXGA o 6000 WUXGAReduced Blankng Copyright 2014 LG Electronics Inc All rights reserved 9 Internal Use Only Only for training and service purposes 7 7 1 1 46 3D supported mode automatically Top and Bottom Secondary SDTV 480P Side by side half Secondary SDTV 480P 640 480 Frame packing Secondary SDTV 480 eee Line alternative SDTV 480P 31 469 31 5 59 94 60 50 35 50 4 1 Side by side Full SDTV 480P Top and Bottom Secondary SDTV 480 itii NR lt Side by side half Secondary SDTV 480P 720 480 Frame packing Secondary p 480P 31 469 31 5 59 94 60 54 54 06 23 Side by side Full SDTV 31 25 17 18 5 Secondary SDTV 576 Side by side half Secondary SDTV 576P 7207576 625 17 18 Frame packing Secondary SDTV 576P Line alternative SDTV 576P 31 25 lt 17 18 Side by side Full SDTV 576P 375 74 25 720 Side by side half Primary HDTV 720P 148 5 19 Frame packing Primary HDTV
74. 0V a H 12339 a a C2343 R1 120 ohm B2pF e e sov 717 SOC JO JT 1 22V R1 R2 10 7K 10 5K aa C2302 M a mis C2303 2 12311 M Lees SOC sanft af 1ev L TON IC2300 29 Te o BD9D320EFJ EP FIN 5 aga e2328 _ e288d gt 10uF 0 2 Eo Change 131120 5V_NORMAL T POWER_ON OFF1 R2304 e a 35V 35V id for CcurEneU rm 10K EN VIN Bom as 1 5 POWER SEQUENCE C2350 R2302 R2303 g BE UN mo gel ox al AA ey pa 8997 TM B 555 pos 58 iov 1 GQoIl OW o2 5wWVold 5w ni lwv b5wy 5722 ole 1 16W 1 16W 12301 s 1 1 ea 3 CY rU 3 1 Q m DCbC TI 99 4 5 GNP C2314 C2315 2 IC2300 1 22uF 22uF MODH SYNC TPS54327DDAR 3 3V_DCDC_RHOM 10v 10V ex C2310 2312 3 luF 2200pF Vout 0 6 1 R1 R2 wey 3 3 DCDC TI lov Tw 9390 o PESE T POR 5 p 3 3V RHOM 0 0068uF D D M EUM AE 3 6 C2312 1 gt 50V Qa 7 n E 4 3 H gl a 769 L POWER_ON OFF2 5V R1 36K R2 4 8K THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES B SPECIAL
75. 1 CI_cD1 9 R715 100 2 CI_DATA 3 CI TS DATA 3 4 n 3 DATA A4 DATA 4 K 4 51 DATA 5 C 5 6 DATA 6 K 6 CI DATA 7 CI TS DATA 7 4 7 R720 33 PCM IORD PCM CE2 8 CI ADDR I10 lt ADDR 10 PCM_IOWR 9 PCM_OE 0 11 CI ADDR 11 5 CI ON CI TS DATA 0 7 1 CI ADDR 9 A 2 CT_ADDR 8 CI_ADDR 8 CI_IN_TS_DATA 0 R722 3 CI ADDR 13 ADDR Tia uu C TS DATA TS 2 CI ADDRIIA lt CI_ADDR 14 TS DATA 5 5 lt 5 6 RIEL SE e gt IRQA 7 C704 E E OPT 5 CI ON 8 CI IN TS DATA 4 TS 5 3 C TS DATA 6 R707 12 CI_ADDR 12 10K IN TS DATA 7 CI ADDR 7 CI 5 lt CI_ADDR 6 lt __ CI_ADDR 6 R702 ADDR 5 5 703 33 CI_ADDR 4 PCM WAITX e 1 CI_ADDR 4 R701 OPT _ lt 33 lt 3 CI_ADDR 2 TS VAL lt CI_ADDR 1 CI_ADDR 1 CI TS SYNC C EI ADDRI S X ADDR O CI TS DATA 0 XK CI DATA O TS DATA 1 4 CI TS 21 CI DATA 2 eo PCM_INPACK FCI 02 lt R716 100 9 2 c lt VAL rs TS SYNC C703 12 50V OPT TPO_DATA 0
76. 1117EH ADJTRG1 5 1 5 DCDC TI R2331 a R2329 1 1 16W 330K 5 2 E 15K 2321 P lox N 12V 2329 e 1000pF qr 2344 QUE ee A 1 16W e 8 2K ADJ GND 1 So a l 55 gt V CE 1 1 16W soy 2700 R2 a Ao 95 qao C2344 1 1 5 DCDC RHOM 1 5V DCDC RHOM om Na CORE V BO M 9 1 lt THERMAL 2 1 2308 E 12307 50V 4700pF BS den 10 10 B8 1 5 DCDC TI ae 55 10v 10V R2307 3 x X m 5 POWER_ON OFF2_3 502301 TPS53513RVI 2320 R2306 9 Vout 0 8 1 R1 R2 2K e e 0 1 1 16W 4292325 02838 LOM f S 12305 16V 26 52 st V normal 5 gt o 3 Je C2325 2334 opr 2 my 2200 2200pF X 2335 C2336 12 ura 52318 50V 24V E 50v 100pF ZZ20 047uF f s ea 3 3V NORMALI ARRE TaT TEF Len nee TU Tus ER o Died 10V 10v 10K 3 3V NORMAL N am 4 7 n A e e 50V m 12300 e e C2348 C2351 C2352 BLM18PG121SN1D Vout O 6 5 1 R1 R2 c 22 Se22urF m 10uF gt 10 10V 1
77. 15 DDR BAO DDR DDR BA2 M1 DDR CLKP M1 DDR U CLKN M1 DDR D CLKP M1 DDR D CLKN M1 DDR CKE M1 DDR ODT M1 DDR RASN 1 DDR CASN M1 DDR WEN DDR RESET 008 DOS 008 P DOS DOS DOS 008 P DOS _DDR_ _DDR_ _DDR_ _DDR_ _DDR_DQO _DDR_DQ1 _DDR_DQ2 _DDR_DQ3 DDR DDR DQ5 DDR DDR DQ7 DDR DQ9 DDR DDR DDR DDR DDR DDR 0020 0021 DDR 0022 DDR DQ23 DDR 0024 DDR 0025 DDR DQ26 DDR 0027 _DDR_DQ28 _DDR_DQ29 _DDR_DQ30 _DDR_DQ31 SSE BSB S X s BES O d WN M1 DDR ZOCAL VRI VREF 1 1 A R501 _DDR_AO _DDR_A1 _DDR_A2 _DDR_A3 _DDR_A4 _DDR_A5 _DDR_A6 DDR DDR 8 DDR A9 DDR A10 DDR A11 DDR A12 DDR A13 DDR A14 DDR A15 z g gt M1_DDR_BAO gt M1_DDR_BA1 gt M1_DDR_BA2 gt M1_U_CLK gt M1_U_CLKN gt M1_D_CLK gt M1_DDR_CKE C gt M gt M DR ODT RASN CASN WEN gt 1 DDR RESET DR DOSO DR DOS NO DR DOS1 DR DOS N1 DR 0052 DR DOS 2 DR 0053 DR DOS N3 SS SKB 5 X X gt UO Uv UU Jg
78. 2 e y X d SPEAKER R 5614 C 100 10uF LT 90 85600 5 C5600 35V ARS 5621 85610 05600 1000 C5605 AMP MUTE 5 gt s MMBT3904 NXP s amp MPIMUTE T e 85606 4 7K AMP_MUTE_MICOM MICOM d 50V 1 10W dues 5 e e A e e e gt sPK R 3l NRS6045T100MMGK ES AMP MUTE PWR DHT E N R5690 e e e 100 POWER DET ipeum WAFER ANGLE TP5601 gt WOOFER MUTE 1 ee SPK L 68 9 1688700 SYMBOL MARK THIS SCHEMETIC DIAGRAM INCORPORATES pe MODEL DATE BLOLK SHEET Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG ELECTRONICS AUD OWT gt gt IU CHINA HOLDEL EU DTV MNT_L_OUT C EU C6000 R6000 126000 AZ4580MTR El 12V 16000 o SIGN6000001 EU R6011 2 2 6008 25V OPT OPT E C6002 R6002 R6004 33K IN1 6800pF T 470K C6003 e 11 IN1 EU SCART LOUT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES OPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF
79. 20 00 80 HDMI3 67 03 00 30 00 80 1 Copyright 2014 LG Electronics Inc All rights reserved a LGE Internal Use Only Only for training and service purposes 4 2 White Balance Adjustment 4 2 1 Overview W B adj Objective amp How it works 1 Objective To reduce each Panel s W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Range In order to prevent saturation of Full Dynamic range and data one of R G B is fixed at 192 and the other two is lowered to find the desired value 3 Adjustment condition normal temperature 1 Surrounding Temperature 25 5 2 Surrounding Humidity 20 80 4 2 2 Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adjustment Computer During auto adj RS 232C protocol is needed 3 Adjustment Remote control 4 Video Signal Generator MSPG 925F 720p 204 Gray Model 217 Pattern 49 Only when internal pattern is not available Color Analyzer Matrix should be calibrated using CS 1000 4 2 3 Equipment connection MAP Color Analyzer USB to RS 232C Pattern Generator Signal Source f TV internal pattern is used not needed 4 2 4 Adj Command Protocol Command Format 8 6 A 50 A 03 A 00 A CS LEN Number of Data Byte to be sent CMD Command VAL FOS Data val
80. 3 s u 1 5600 BLM18PG121SN1D o gt SPK_L NRS6045T100MMGK UBW2012 121F AUD MASTER CLK Es 00 P Eu Samm 1 10W we 5618 R5607 656032 Sig e e E 4 7K T a 5606 lt LOV E O lt m ou 50 c n T 1 a e e al al al HAH O Al AlE al DIDID 255612 50 5619 85608 85604 SPEAKER 1 1 10W L5605 Ne zh 1 10 gt SPK_L 1B NRS6045T100MMGK VDD_PLL 2 PGND 5 THERMAL 22000pF NO 41 T 50v C5601 luF 10v GND 4 VDR1 NC 3 5 IC5600 NC 4 1 65602 ame LUE 10 DVDD 6 NTP7514 AGND SDATA 7 VDR2 AUD 9 5 4 C5610 C5615 WCK 9 BST2A e LUE 1uF AUD_LRCK 10V 10V BCK 9 PGND2A C5609 AUD_SCK 9 22000pF 100 SDA 1 OUTZA PON I2C 85612 100 12C 5 11 05622 C5623 T 15602 50 10 0uH _ fmi fnm mi A oO e e e gt spK_R E N N N N N NRS6045T100MMGK Ojo m E 3 3V_NORMAL O O 99 Z 24 Oe pL E d Au Ai A 1 10w 5620 85609 85601 A 0 1uF 4 7K MICOM O 05613 05617 50V S S 5 390pF e 0 47uF e e AM MUTE 560
81. 3CH Power co exp ise L225 BOIS D33 11 DVDD 1 G10 127 GND_137 gt 033 12 DVDD 2 611 06 GND_138 ACLI D33_BT_USB DVDD PRS G12 07 139 VDD3V3_HDMI D33 USB 1 DVDD 816 G13 08 GND_140 RS D33 USB 2 DVDD 5 817 G14 011 T23 HDMI A DVDD R18 2 5V_NORMAL AVDD25 2 5V_NORMAL AVDD25_C4TX G GND_141 EE ae A A 1 1V_VDD AVDD11_DMD M AVDD33 D33_HDMI_2 DVDD 7 A EE _ UTA GND_143 vs D33 HDMI 3 DVDD g Rev A 1604 617 U22 10 GND_144 21 BLM18PG121SN1D BLM18PG121SN1D 520 026 GND_145 REGS D33_CVBS 11_20 113 UR 7 1607 21 v4 GND_146 1 21 120 22 v5 T21 GND_147 11_22 BLM18PG1218N1D G23 v6 1 5 DDR F9 vsus DEM C602 C605 C608 C610 C613 616 sl 148 A 5 25 a DP 4 7uF 4 7uF 0 1uF T 0 1uF 4 7uF 6622 6655 LL H 145 o 5 2 DVDD11 24 10V 10V 16V 16V 10V 16V 4 70F T 0 iur SEA M ee ELL 5_M0_3 25 916 10 16V 626 GND_151 5 4 26 217 G27 v15 G GND_152 9 e 5 5 pvppii 27 918 H7 716 GND_153 EPA 5 6 1 28 91 H8 17 5 GND_154 Ei 5 7 11_29 920 H9 718 GND_155 6 5 8 pvpp11_30 221 H10 719 GND_156 EI 5 9 31 13 H11 22 v20 GND_15
82. 43 5V ST ES ES M B 16V 4 3 z 0 H OIS J x EH i 2 x E e 22 gt CAM RESET RESET alan O olz XIX H XIX 3 5V_ST NLR RE ER EA ERS A O QOO MINI NID gt gt 3021 10K NT 7 7 P60 SCLAO 1 P140 PCLBUZO INTP6 I2C SCL MICOM SOC gt RL ON P61 SDAAO 2 POO TIOO TXD1 Powsr_on orr2_4 I2C SDA SOC gt SCART_MUTE 62 3 P01 TO00 RXD1 MODEL1_OPT_4 gt POWER_ON OFF2_4 P63 4 P130 PANEL lt 2 1 P31 TI03 TO03 INTP4 5 IC3 P20 ANIO AVREFP WOL WIFI POWER O KEY2 P75 KR5 INTP9 SCK01 SCL01 6 R5F100GEAFB 30 P21 ANI1 AVREFM IR KEY1 P74 KRA INTP8 SIO1 SDAO1 T P22 ANI2 HDMI_CEC gt P73 KR3 8001 8 P23 ANI3 POWER ON OFF2 2 1 3 P72 KR2 21 P24 ANI4 POWER_ON OFF2_3 lt 50 9 1 0 P71 KR1 SI21 SDA21 25 5 EYE SDA e 10 gt SIDE PVO KRO SCK21 SCL21 11 P26 ANI6 EYE_SCL MODEL1_OPT_2 P30 INTP3 RTC1HZ SCK11 SCL11 12 P27 ANI7 TP3002 CAM 5 lt 1 1 sr Sue MODEL OPTION Kj d
83. 7 0 1uF 0 10 5 6V DMOTBCH X EID UBW2012 121F ROO Eel 50V P DET BOTH 12 24V YNN 12304 2331 82317 2333 AN P_DET_BOTH_24_3 5V R2326 2 P DET BOTH 12 24v 12 24 UBW2012 121F e 0 1uF 10uF G 1 2K PDIM 1 C2347 BOTH 24 3 5V 15 edi PWM_DIM 50 Lev o 3 5V 50V 12V gt PDIM 2 e um o DIM2 up ZN 16 24 R S34 R2355 H GND 24V vane 4 7K R2318 p Te Power DET Y D e UBW2012 121F IC2307 1 24V 12303 e APX803D29 C2306 OTUR GND B Keds 12 3 5V_ST L DIMO_VS P MMBT3904 NXP A 2 3 5V_ST L DIMO_MOS L DIMO_BCLK T Ror E L DIMO SCLK P DET ONLY 12V R2338 3 os jain RESET ROHM S R2356 ec 22 1C2307 K 2316 DE 2 7 OPT 0 1522 1 5 BD48K28G o SMAW200 H24S5 50V 82350 POWER_DET P2B01 ps e i 100 4 E S POWER 24PIN L DIMO_MOSTI lt C2355 P DET BOTH 12 3 5V P DET ONLY 12V 0 1uF R2326 1 R2326 1 2 1 1 gt e 5 V P BOTH 12 3 5V m 3 5 ST Roane 2 5V_NORMAL A 100K 2 O not to RESET at 8kV ESD P DET BOTH 12 3 5 ROHM IC2302 5 52865 R2348 1C2308 a 0
84. 7 en Bie DVDD11_32 H12 26 9V DI G6 v21 GND_158 A 5 1 DVDD11 33 2 5 NORMAL AVDD25 AUD H13 d ONDE TAS v30 S Hb 5 1 2 11 12 A A H14 v31 2 76 W14 GND_160 A 5 3 11 35 H15 gt 5 4 36 15 1603 161 29 W16 BLM18PG121SN1D 162 e 5 5 11 37 H17 20 6 W17 GND_163 5 6 DVDD11 38 H21 W21 GND_164 ne 5 7 pvbppii 39 18 H22 W22 P6 W19 GND_165 5 1 8 DVDD11 40 C603 axm C606 C609 H23 ON MEE 423 25 CATX RG 5_M1_9 4 7uF 4 7uF 0 H24 826 20 10V 10V 16V 12 16 167 F 11 42 e in IUE H26 Y2 43 Ve 25 CATX 1 ARLS ed gt cup 169 AVDD25_C4TX_ DVDD11_44 11 25 2 cup 170 x 45 11 25 3 27 GND_171 DVDD11_46 G GND_172 AVDD25 11 25 4 a 8 Y14 A 18 AvDD25_COMP_1 z BATS ra exp 173 19 X 29521148 174 AVDD25_COMP_2 1 5V_Bypass 227 Y16 AC20 Mi op ud AA20 716 cup 175 AVDD25_C DVDD11 50 21 avpp2s 2 81 GND_176 Fag E DVDD11 51 AC22 avpp25_DMD 177 Fg AVDD11_APLL AC23 avpp25_AAD K27 SND LTe pep x AVDD11 COMP LLPLL
85. 720P Line alternative HDTV 720P 37 500 148 5 Side by side Full HDTV 720P Top and Bottom Primary HDTV 720P EN Side by side half Primary HDTV 720P Frame packing Primary M 720 44 96 45 59 94 60 148 35 148 5 Side by side Full HDTV T Top and Bottom Secondary HDTV 10801 NM Side by side half Primary HDTV 10801 Frame packing Primary HDTV 10801 67 432 67 50 59 94 60 148 35 148 5 HDTV 10801 33 721 33 75 59 94 60 148 35 148 5 5 Side by side Full HDTV 10801 Top and Bottom Secondary HDTV 10801 Mc EE Side by side half Primary HDTV 10801 Frame packing Primary HDTV 10801 ibis E Field alternative HDTV 10801 28 125 50 00 148 5 20 Side by side Full HDTV 10801 Top and Bottom Primary HDTV 1080P EN Side by side half Primary HDTV 1080P Frame packing 1080 1920 1080 26 97 27 23 97 24 148 35 148 5 Side by side Full HDTV 1080P 74 25 Top and Bottom Secondary HDTV 1080P Side by side half Secondary HDTV 1080P 148 5 Frame packing Secondary HDTV 1080P Line alternative HDTV 1080P 148 5 Side by side Full HDTV 1080P 29 976 30 00 74 18 74 25 Top and Bottom Primary HDTV 1080P N 28 125 56 24 28 12 33 716 33 75 Side by side half Secondary HDTV 1080P Frame packing Primary HDTV 1080P 33 716 33 75 29 976 30 00 148 35 148 5 Side by side Full
86. 8 R3 DDR A9 M1_DDR_A10 R7 M1 DDR A11 M1_DDR_A12 T3 DDR A13 T7 M1 DDR A14 M7 DDR A15 M2 M1 DDR BAO N8 M1 DDR M3 M1 DDR BA2 27 9 CLKN 5 1 L2 1 M1_DDR_opT L_ _ J M1_DDR_RASN L gt M1 DDR CASN 2 4 5 DDR 2 3 2 M1_DDR_RESET_N F3 M1_DDR_DQS2 G3 M1_DDR_DQS_N2 C7 M1 DDR DQS3 DDR 5 DDR gt M1_DDR_DM3 _ 16 am DDR DQ17 DDR 0018 DDR 019 H3 DDR_DQ20 H8 DDR_DQ21 G2 DDR_DQ22 H7 DDR DQ23 D7 DDR 0024 DDR_DQ25 DDR 0026 2 DDR 0027 7 DDR 0028 A2 DDR DQ29 B8 DDR DQ30 A3 DDR DQ31 PAGE 5 1 5V DDR 1 DDR VREFDOQ M1 1 DDR VREFCA M1 ET R519 240 e a gt gt 0 oO Nn 0 0 0 Q 0 Q0 Re gt LO 0 luF dH luF Ay Qs HEET LGE Internal Use Only 1 1V_Bypass
87. DATA O 1uF D6 e gt FE_DEMOD1_TS_DATA 07 TS DATA RESET DEMOD DEMOD TU RESET1 TU B3 3 3V B3 3 3V 3 3V_DEMOD_TU SCL_DEMOD EMOD I2C 8 14 TU m B4 1 1V B4 1 2V D_Demod_Core F22 OUTPUT gt LNB TX SDA DEMOD EMOD 2 5 4 LNB xz TU H M EU CN OUT 6702 GND 1000pF 630 9 1 DEMOD2 5 ERROR 09 2 wW 2 TS SYNC DVB S JACI GND gt H gt FE_DEMOD2_TS_CLK B5 2 5V 2 5V_DEMOD gt FE_DEMOD2_TS_VAL gt FE_DEMOD2_TS_DATA gt FE_DEMOD3_TS_ERROR gt FE_DEMOD3_TS_SYNC LA E gt FE_DEMOD3_TS_CLK 22 3010 3 TS VAL DEMOD TU 2 TU SHIELD 1 TU_GND LG ELECTRONICS gt FE_DEMOD3_TS_DATA TU_GND_B m Ds 1 20 21 22 23 24 25 26 27 32 33 34 35 36 MODEL _ DATE BLOCK LGE Internal Use Only DVB S2 LNB Part Allegro Option LNB LNB_OUT lt GED y C6900 6901 i R6900 2218 T2338 2 2K B 6900 IW LNB LNB GaP GDP Close to Tuner Surge protectioin 2A D6904 1 40V LNB SX34 D6904 40V LNB SMAB34
88. D_ GND_220 P13 AH25 GND_ GND_221 P14 025 GND_ GND_222 d 4 15 AK9 GND GND_223 S o iS P16 25 Ay Ay Ay Qu GND_ GND_224 E P17 AL9 GND_ GND_225 P18 AL15 GND_ GND_226 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC MODEL 5 5 3 BLOCK vee SHEET LGE Internal Use Only SECRET LG ELECTRONICS LGElectronics 11 L Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes 5 is C701 C702 Jur DATA 0 7 T 10v a JK701 gt 10125901 015LF 1
89. Data 0 LGE Internal Use Only 3 6 WIFI MAC ADDRESS CHECK Vendor Specific HDMI 1 Using RS232 Command 1 Deep color module 1 Obit V freq Hz INPUT MODEL NAME HEX HDMI1 78 03 00 10 00 20 20 CO OE 01 4F 08 10 18 10 06 10 16 10 28 10 Transmission ID 20 Cr O K X or NG 78 03 OC 00 20 00 B8 2D 20 OE 01 4 FC 08 10 18 10 06 10 16 10 28 10 HDMI3 78 03 OC 00 30 00 8 2D 20 CO OE 01 4 FC 08 10 18 10 06 10 16 10 28 10 2 Check the menu on in start lw IN START 2 None deep color module 8bit DV BME INPUT MODEL NAME HEX HDMI1 78 03 00 10 00 80 1E 20 01 4F 08 10 18 10 06 10 16 10 28 10 HDMI2 78 03 OC 00 20 00 80 1E 20 OE 01 08 10 18 10 06 10 16 10 28 10 78 00 30 00 80 1E 20 OE 01 FC 08 10 18 10 06 10 16 10 28 10 9 Colorimetry Data Block HDMI 1 The Model not supporting XvYcc INPUT MODEL NAME HEX HDMI1 E3 05 00 00 HDMI2 E3 05 00 00 ADC adjustment is not needed because of OTP Auto ADC adjustment 4 1 2 2D EDID 4 1 EDID DATA RCM 4 1 1 3D EDID a pe p pe 16 75 t 9 ac 99 26 oF so se os o si 4 40 amp 4 71 amp s0 0 se
90. ESN TMDS HDMI EXT EDID R3259 vss SDA 33 GND JK3200 e SDA 2 EXT EDID n HDMIZ2 E HDMI EXT EDID ST HDMI EXT ATMEL THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC GElectronics DATE LG ELECTRONICS BLOCK soms Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Gp E OUT HE OUT 3 3V_NORMAL JK3403 7034 01 E SPRING 3 7 3V NORMAL RINI DOUT1 C 40 DOUTI1 zl ss R3406 52 59 R_SPRING ic HP our 150 BERI e _ dad R3826 9 zi T_SPRING SPDIF_OUT SUUS B_TERMINAL2 C3402 Ls our 100 L ae HP DET lt 3 p 16V AS T_TERMINAL2 IR Bla F R3823 HP_OUT 0 TRB gt m R3824 x n 0 IRB_3 3V UN P3400 b2 50 041 R3401 10K
91. EV_AP2553W6_DIODES m 16v VA321 VA3211 16K 53200 1 IC3201 1 ak ESD HDM ESD_HDMI AP2553W6 7 N CE_REMOTE 1 3219 CK_GND CK D3215 IN OUT IP4294CZ10 TBR CK 7 CK_GND 1 10 1 3 gt CK _HDMI1 gt CK _HDMI4 D ILIM 2 gt CK _HDMI1 2 gt CK _HDMI4 T o 3 8 3 8 3 GND D 4 7 Ud me EN PAYET gt DO _ gt DO _HDMI4 3 5V_ST DOF 5 6 0 GND 5 6 x gt D0 _HDMI1 C gt D0 HDMIA D1 DO ESD_HDMI_TMDS ESD_HDMI_TMDS 01 GND 1 GND 10 go D3211 EE de STR R3247 MMBT3906 NXP IP4294CZ10 TBR 1 10 03201 2 1 10 1 HDMIA 5 1 1 a 2 gt D1 _HDMI4 D2_GND 5 D1 _HDMT1 3 8 02 E 8 D2_GND 4 7 4 7 gt D2 _HDMI4 MHL DET D2 HDMI1 5 6 E i gt 2 HDMIA R3243 gt 2 1 ESD_HDMI_TMDS e JK3202 t 1 168 I 03200 DAADRO19A gt 5 3223 MMBT3904 NXP E DAADRO19A 0 047uF W 25V L HDMI lt A JK3203 gt With A x gt H 5V_HDMI_2 2 o H a T oz as HDMI
92. FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL DATE ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics I ELECTRONI BLIK Power SHEET Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Renesas MICOM Debug i 8 N 3 5V_ST 5 ale Pc MICOM DEBUG o Don t remove R3014 P3000 s 2 not making float P40 1250715 041 gt MICOM_DEBUG _ D P D D D D D D D D D oD s High MID Power SEQUENCE VY ER ER ON OFF2 1 ER ON OFF2 2 ER ON OFF2 3 ER ON OFF2 4 MICOM MODEL OPTION MICOM_GED MICOM_NON_GED R3000 3 5 ST 83002 10 13 14 R3003 MICOM_EPI R3006 10K MICOM_OLED UHD R3007 10K MICOM_LOGO_LIGHT R3013 MICOM_M14 10K R3001 MICOM N
93. IDE GMA15 lt 14 GMA12 nom GMA12 GMA10 GMA9 mus 9 lt GMAT 5 5 lt ___ 4 1 lt 1 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS THAT ONLY MANUFACTURES SPECIFIED PARTS ESSENTIAL THE CRITICAL COMPONENTS IN THE NN WHEN SERVICING IF 15 BE USED FOR THE SCHEMETIC SYMBOL MARK OF Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes V14_32INCH OPTION 14 32 V12 V13
94. LOUT A 3 3V NORMAL IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS MODEL DATE BLOK 2 20 Al 2011 09 29 LGE Internal Use Only 21 POWER ENABLE CONTROL 6200 5V_NORMAL 24 AP2151WG 7 5V_CI_ON A 6211 luF C6210 luF 25V CI R6219 10K CI E R6217 100 PCM 5V R6218 10K CI TR SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR LGElectronics THE CRITICAL COMPONENTS IN THE N OYMBOL MARK OF THE SCHEMETIC Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 22 E 4 SMART CARD INTERFACE
95. O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error D Function error_ No response in remote controller Established 2014 01 20 date ak symptom Revised Content Remote controller operation checking method date LD42A models T G 3 5V_WOL _ Aid DP POWER ON N Z O G Z EAXCS3BA00311 2 3 14 90 E J Tx 7 EYE SDA G 4 a ND EYE_SCL 15 E Te y v 9 T 9 0 E RM Aie 6 21 E mS nd m rd Checking order 1 Check IR cable condition between IR 8 Main board 2 Check the st by 3 5V on the terminal 16 4 When checking the Pre Amp when the power is in ON condition it is normal when the Analog Tester needle moves slowly and defective when it does not move at all A27 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Established symptom Display has error especially color 2014 01 20 Revised Content V Com checking and adjust method date EZ ADJUST 12 Test Pattern 13
96. ON R3004 10K MICOM LCD 10K R3005 10K MICOM NON LOGO LIGHT R3012 IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF WHEN SERVICING IF 15 BE USED FOR Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS PAGE 9 50V 0 50V ANT GET OQ oem s 8 B 3000 Jl ES gt 32 768KHz G UG 3 5 ST WAUP HDMI INIT R3028 eo DET on 1 DET x d SS 95 M GND z 543000 D 2 9 e 1P 1127WEM e 2 1 I jew me 5 EZ OB 0 1uF 25709
97. PEAGE HDMI_4_5V_DET 470 338 AK27 HDMI_4_RX_0 OPT ARCO sir oor HDMI F 4 1 4 ADC NP 28 dius AR IB Close to 101 EE AL28 Satie ADC NN ENN HDMI 4 2 0 1uF AN29 pup INCOM en HDMI 4 C SCL 3 HDMI 4 CB TP321 SDA 3 TP322 HDMI HPD lt TP323 5V 3 SOC TP324 DO _HDMI3 TP325 0 HDMI3 TP326 1 HDMI3 TP327 1 HD 3 TP328 2 HD 3 TP329 02 HDMI3 TP330 HDMI3 TP331 HDMI3 TP332 E22 SMARTCARD_CLK SD_EMMC_DATA 0 D SMARTCARD_RST SD_EMMC_DATA 2 SMARTCARD_VCC SD_EMMC_CMD gt SMARTCARD_PWR_SEL SD_EMMC_DATA 1 D y P DDR3_OPT1 gt DDR3_OPT2 TE SMARTCARD_DET SD_EMMC_DATA 3 SMARTCARD_DATA SD_EMMC_CLK 14 EPHY_REFCLK AK12 EPHY_CRS_DV AL12 EPHY_MDIO AK13 gt EPHY_MDC AL13 gt EPHY_EN AM13 EPHY TXD1 AN13 TXDO AL14 33 R5207 RXD1 AK15 33 R5206 RXDO HDMI I ARET 5 1 APA SDA 1 e AE29 gt 1 AF27 AE28 gt SPDIF OUT R376 AF33 most DO _HD AF32 DO _HD AE31 D1 _HD AE30 D1 _HD AD31 D2 _HD AD30 D2 _HD AF31 CK _HD AF30 CK _HD 5V_HDMI_2 A ADS SCL 2 AD23 DDC SDA 2 27 gt HDMI_HPD_2 AD27 AC31 2 R377 DO
98. R Bla 811009 33 Bla IRB SPI CK TCK1 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ECTRONICS MUDEL DATE ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics 0 Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and service purposes RS232C R6820 100 3 5V_ST C gt DOWEL RS232C R6821 100 m RS232C C6813 IC6801 SEHEN MAX3232CDR RS232C C6808 O 1luF RS232C C6809 O 1luF RS232C C6810 Oo LUF gt SOC_RX V RS232C 22406 6811 RIN2 41348201 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service p
99. RK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR HH TRONILS THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 17 Ethernet Block 3 5 s R5215 ACTIVITY RXER JACK POWER RAN 323K Place this cap near 3 5V_WOL A C5208 o ET COL SNI 0 1uF 5200 5201 5203 16V 4 7uF 0 1uF 0 1uF 10v 16V 16v gt Ex gt Place 0 luF close to each power pins e a n Ww 5 B z MD Wal gt a d A A 5206 n 4 El 8pF lt 3 5 1 50V Jue oe N N ih ate gt lt o romam N m ay 4 8 0 3 5V_WOL e Place this near C5207 gt 4 E 8 Al 8
100. RTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC WHEN SERVICING IF 15 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS PAGE 12 MODEL PATE BLOLK 7 SHEET Internal Use Only SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes USB2 JK4302 5V_USB_2 A MAX 3AU04S 305 ZC LG USB_DM2 lt USB_DP2 2 N 4322 4323 Br Ei 10uF 22uF A EE em 10V los 10V DEA 05 E 5V_USB_3 A USB DOWN STREAM DEV_RCLAMP0582B D4302 1 RCLAMP0582B USBS MAX 1 5A 3AU048 305 ZC LG J e USB_DM3 e
101. SOC_RX SOC UART for Debug AV COMPONENT REAR PPJ245N2 01 JK3802 TEST ONLY PS EE A 12507WS OAL OPT R3827 10K REMOTE RX lt Place JACK Side R327 Place SOC 100 32 5 0 047uF 3 3 NORMAL vas806 T 5 5v 3216 R314 150pF 75 OPT R334 33 C323 C328 R3806 10K 6AGN YL E LUG R3801 A 1 CVBS DET dN YL O SPRING e dm dN YL CONTACT VA3803 T 5 6V BL O SPRING eo Pb 3 3V_NORMAL A RD1 E LUG S VA3804 5 5 RD1 O SPRING ere COMP1_Pr 10K VA3805 R3802 RD1 CONTACT T 5 5y 1K e 7 1_ WH O SPRING gt COMP1 AV1 DVI IN i d RD2 CONTACT VA3801 5 6V RD2 O SPRING RD2 E LUG IHE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes
102. SOY C321 0 047uF SC RL gt e ARN 11 gt COMP1 PR SOC 1 EU Oa bets 0 a m Fi 4 i 2 5 i 2 AUDIO OUT EU EU AUDIO IN R307 27K C314 4 7uF gt C329 2 2uE oG du EIN gt ANN 11 AUAD 2 SCART LOU TS e SCART LOUT SOC R320EULOK 10V EU R308 EU 27K som cs e epp C315 EU 4 7uF SCART ROUT ROUT SOC oC VE EN T AUAD IN a 15 R321 RN e 29 R SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE 5 LGElectronics Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG ELECTRONICS LG Life s Good M14 Trouble Shooting Guide Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Contents of LCD TV Standard Repair Process Error symptom High category Error symptom Mid category 1 video Normal audio 0 Video error Picture Broken Freezing _4 Vertical Horizontal bar residual image light spot external devic
103. Side by Side half 640 480 Top amp Bottom 800 600 1152 864 7 8 Component Input 3D 3D supported mode manually 2D to 3D Side by Side Half 8 Bottom 19201080 2842 5 1425 1920100 675 eooo 5 HDIViOP _ 79 1920 1080 5620 so 1485 Os 02 7 9 Miracast Widi 3D supported mode manually gore 2 1280x720 30 600 20 too 3D Side by Side Half 8 Bottom 73 woe 7 7 10 3D Input mode Side by Side Top amp Bottom Checker board aingle Tang Tame 2D to 3D Sequential Packing EN Copyright 2014 LG Electronics Inc All rights reserved ad LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application Range 3 2 LAN Inspection This specification sheet is applied to all of the LED TV with 3 2 1 Equipment amp Condition LD42B chassis Each other connection to LAN Port of IP Hub and Jig 192 168 123 254 2 Designation 4 1 Because this is a hot chassis it is necessary to use an isolation transformer However the use of isolation transformer will help protect test instrument 4 9 2 Adjustment must be done the correct order 3 adjustment must be performed in circumstance of 25 C 5 C of temperature and 65 10 of relative
104. THE SCHEMETIC LGElectronics Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 860012 py EU R6008 33K 10K 6001 _ 4 7urF 10 6005 41 R6010C C6007 470K 6800pF DTV MNT_R_OUT luF 25V SCART AUDIO DTV MNT L OUT lt 1 O6000 MMBT3904 NXP DTV MNT_R_OUT lt 06001 3904 SECRET EU_SCART_MUTE 06002 EU ISAHAYA RT1P141C T112 EU SCART MUTE LG ELECTRONICS SCART_MUTE _NXP MODEL DATE BLOCK scart ame SHE SCART_ROUT PAGE 19 3 2 LGE Internal Use Only 6100 TPA6138A2 EARPHONE C6100 luF 19 our 10K INR ROUT MAIN ROUT ov C6104 18pF _ R6100 R6106 43K HP_OUT Bo 15 4 1 lt e OUTR 3 NORMAL GND 1 OUT C6102 luF 10V INL C6109 HP_OUT T18pF OUT C6101 R6104 1 luF INL HP OUT 43K 4 10K T 185 our LOUT MAIN oo OUTL 50V e C gt
105. VICING IF 15 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE U THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes SED FOR SCHEMETIC SECRET LGElectronics LG ELECTRONICS 0 7 EB_DATA EB_DATA 0 7 AR712 CL AR708 3 DATA 0 EB 2 12 DATA 3 DATA 3 DATA 4 714 DATA 4 5 EB 5 DATA 6 6 7 EB 7 CI_DATA 0 7 Cx AR709 1 EB ADDR O CI ADDR 12 X lt ADDR 1 CI ADDR 13 X lt EB_ADDR 2 CI ADDR 14 XK 1 EB ADDR 3 PCM REG lt CHE AR710 ADDR 4 ADDR 5 PCM_OE C lt lt ADDR 6 PCM lt EB_ADDR 7 PCM IORD C J PCM IOWR CI AR711 lt EB_ADDR 8 Cea EB_ADDR 9 lt EB_ADDR 10 lt EB_ADDR 11 12 ADDR 13 EB_ADDR 14 CAM_REG_N EB_OE_N EB_WE_N BE BLOCK SHEET LGE Internal Use Only
106. _DIM C Scanning R7220 33 L DIM ENABLE AUO_L D_EN R7219 GND 23 R7215 10K LVDS_SEL_LOW or FLOAT L 8 bit 10 bit M ELS 41 T r9 LVDS OUTPUT P7202 EA41S HF J R1500 PANEL VCC SECRET LGElectronics BIT_SEL BIT SEL RBON TXBON TX5N RBOP R7214 TXBOP TX5P LOR RBIN BI SEL LOW 1 TXB2N TX3N RB2P 2 GND RBCLKN TXBCLKN TX2N RBCLKP TXBCLKP TX2P PIE I GND RB3N TXB3N TX1N RB3P TXB4N TXON 1 RB4P TXB4P TXOP GND GND GND GND GND 17200 UBW2012 121F NC VLCD AUO_SHARP 9 VLCD VLCD VLCD LG ELECTRONICS Connector 2 3 R7221 323 AUO_2D 3D_CTRL lt TXCON TX23N TXCOP TX23P TXCIN TX22N 22 TXC2N TX21N TXC2P TX21P TXCCLKN TX20N TXCCLKP TX20P TXC3N TX19N TXC3P TX19P TXC4N TX18N TXC4P TX18P TXDON TX17N TXDOP TX17P TXD1N TX16N TXD1P TX16P TXD2N TX15N TXD2P TX15P
107. _EXT_EDID e R3268 A 5V_NORMAL 5V HDMI 1 d m 5V_NORMAL 3 5V_ST R3251 a Sy_HDMI_4 A 33 Gi N 5 lt 2 i wi MI LEAKAGE BODY SHIELD DMI EDID EXT EDID D32000 2 p HDMI LEAKAGE Workaround A2 A0 Default with HDMI_ 83270 3 3V_NORMAL Al ME 4 7K D32030 p3205 W a gt AR3201 eq DET m em 33 1 16W ee R3255 5 e e 2 ppc scri 2 GND SDA 2 DE 209 ud gt DDC_DATA ESD_HDMI at 203 lt 1 DDC SDA 1 1 5 4 PANEL ESD HDMI 204 1 4 1 DDC SCL 4 ESD_HDMI B ES R3254 NC 10K VDD3V3_HDMI CE_REMOTE A CEC_REMOTE 0 TBR CK gt CK _HDMI2 4 CK_GND P gt CK _HDMI2 5 S 5 NTR4501NT1G B 03202 HDMI_EXT_EDID 5V HDMI 2 5V NORMAL 0 HDMI2 AU CA C3227 e MES gt D0 _HDMI2 lt x MMBT3904 NXP WP 03203 DO 3 5V_ST is c IC3203 1 D1 1C3203 6100 M24C02 RMN6T EXT EDID D3216 AT24C02C SSHM T GND 0 TBR oe 9 21 gt 1 2 EO vce 0 Jas gt D14 HDMI2 ne D2_GND 5 Al N 2 2 e D2 Dc R3258 gt 2 HDMI2 m 2 2 ppc 2
108. ace No audio 3 5V 12V 20V or 24V MAIN B D Replace Power Board and repair parts Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 2 13 LGE Internal Use Only Standard Repair Process Established Error A Picture Problem qu 2014 01 20 symptom Picture broken Freezing Revised date 3 13 By using Digital signal level meter A6 using Diagnostics menu on OSD Check RF Signal level Setting Set up Manual Tuning Check the Signal Signal strength Normal over 5096 Signal Quality Normal over 50 Y Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc Normal Signal 7 Y Check SVC S W Version Bulletin Tuner soldering Check RF Cable Connection Normal 1 Reconnection Picture 2 Install Booster N N S W Upgrade Normal N Contact with signal distributor Picture or broadcaster Cable or Air Normal Picture Replace Main B D Y Y Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error A Video error 2014 01 20 symptom ymp Color error Revised date BEI 4 13 A10 Check and replace Link LVDS and Replace mod
109. al 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 It 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 7 Model Number D L like below photo 3 Input the Factory model name ex 47LB650V ZA or Serial number like photo IN START 4 Check the model name Instart menu Factory name displayed 47LB650V ZA 5 Check the Diagnostics DTV country only Buyer model displayed 47LB650V ZA 3 5 Key checking method Check the Section 3 1 Check whether the key was downloaded or not at In Start menu Refer to below gt Check the Download to Cl Key value in LGset 3 5 1 Check the method of Key value 1 Check the method on Instart menu 2 Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 2 Check the key download for transmitted command RS232 ci 00 10 L Data 0 3 Result value Normally status for download OKx Abnormally status for download NGx 3 5 2 Check the method of key value RS232 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 2 Check the mothed of CI key by command RS232 ci 00 20 CMD 1 CMD 2 3 Result value i 01 OK 1d1852d21c1ed5dcx Key Value L
110. and fix external device Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 25 speaker and connector Check audio B Voltage 24V Discontinuation Noise only Discontinuation Noise only xternal Input Connect and check gt other external device for 4 Check and fix external device 10 LGE Internal Use Only Standard Repair Process Established D General Function Problem 4 01 20 Remote control amp Local switch checking Revised date 10 13 A27 A27 Check 3 5V Check IR Y On Main B D Output signal Check 3 5v on Power B D Replace Power B D or Replace Main B D 27 Check amp Repair Cable connection Normal operatino Connector solder N Check R C itself Operation Check R C Operating Repair Replace When turn off light IR B D in room Replace Main B D Power B D don t have problem If R C operate Explain the customer cause is interference from light in room Replace R C 11 LGE Internal Use Only Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes Standard Repair Process Established EL D Function error 2014 01 20 External device recognition error Revised date 11 13 symptom Check technical ernal Input and Signal Y
111. d gt 5 USB 1 2 0 M 1 5A OCH DIODESG 591 m 4502 7 m eee 22 42 10V 10 Beet AVA e 045 305 2 LG El JK4500 2 USB_DM1 e 7 EV_AP2553W6_DIODES USB DP1 IC4500 1 AP2553W6 7 a 5 e E 62 22 gt 2 e za D EV_RCLAMP0582B MODEL DRITE BLOCK vse 1 SHEET 1 LGE Internal Use Only Full Scart 3 3V_NORMAL EU POL Tor GUNGT TON EU R4602 100 e gt SC DET EU VA4601 64604 ee 0 1uUF EU SC CVBS IN VA4609 5 5 7 EU 1 16 75 COM_GND VA4610 R8904 DTV MNT V OUT 5 5V T SYNC IN d EU SYNC OUT 9 SYNC_GND2 SYNC_GND1 5 sc FB R OUT VA4602 5 6V RGB_GND EU R GND gt D2B_OUT VA4603 G_OUT F 5 5V D2B IN SU G_GND 4 m ID
112. e Power B D Power off List Explanation Normal Abnormal POWEROFF_OFFTIMER POWEROFF SLEEPTIMER POWEROFF INSTOP POWEROFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS282C Power off by RS232C POWEROFF RESREC Power off by Reservated Record POWEROFF ower off by End of Recording POWEROFF SWDOWN POWEROFF UNKNOWN Power off by unknown status except listed case POWEROFF CPUABNORMAL Power off by CPU Abnormal LGE Internal Use Only Standard Repair Process Established Error C Audio error a 2014 01 20 symptom audio Normal video Revised date 8 13 24 25 Check user N Check audio B 24V No audio menu gt Power Board Screen normal Speaker Out Y Cancel OFF Replace Power Board and repair parts Disconnectio Replace MAIN Board Y Replace Speaker Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error C Audio error di 2014 01 20 t 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
113. e color error 7 o Power error mum Off when on off while viewing power auto on off audio Normal video C Audio error Wrecked audio discontinuation noise No response remote controller key error 11 recording error memory error External device recognition error 2 Circuit noise mechanical noise 13 Exterior defect 10 Function error First of all Check whether there is SVC Bulletin in GCSC System for these model Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established LCD TV symptom R First of all Check whether all of cables between board is inserted properly or not Main B D Power B D EPI Cable Speaker Cable IR Cable c A1 Check Back Light Check Power Board Replace T con Board On with naked eye 12v 3 5v etc or module And Adjust VCOM No video Normal audio Precaution 7 Always check amp record S W Version and White Main Board Balance value before replacing the Main Board epiace Boar Re enter White Balance value Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process _ Established LCD TV Video error 2014 01 20 symptom Check and No Video of Power Board repl
114. ecial appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 Model General Specification 1 Market EU PAL Market 37 Countries DTV amp Analog Total 37 countries DTV MPEG2 4 DVB T 29 countries Germany Netherland Switzerland Hungary Austria Slov enia Bulgaria France Spain Italy Belgium Luxemburg Greece Czech Croatia Turkey Moroco Ireland Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Serbia Slovakia Beralus DTV MPEG2 4 DVB T2 8 countries UK Ireland Sweden Denmark Finland Norway Ukraine Kazakhstan Russia DTV MPEG2 4 DVB C 37 countries Germany Netherland Switzerland Hungary Austria Slovenia Bulgaria France Spain Italy Belgium Russia Luxemburg Greece Czech Croatia Turkey land Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Serbia Slovakia Beralus UK Sweden Denmark Finland Norway Ukraine Kazakhstan DTV MPEG2 4 DVB S 30 countries Germany Netherland Switzerland Hungary Austria Slovenia Bulgaria Fra
115. ecommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect the receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1 W keep the resistor 10 mm away from PCB Keep wires away from high voltage or high temperature parts Before returning the receiver to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on 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
116. efore handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some sol der removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads elec trically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective mate rial to the chassis or c
117. g the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive 10 by volume Acetone and 90 by volume isopropyl alcohol 90 96 99 96 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 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 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 b
118. he IN START MENU Mode ESN 14 HDCP20 Play Press Enter key Result Ready Test OK or NG Printer Out MAC Address Label 1 Copyright 2014 LG Electronics Inc All rights reserved zd s LGE Internal Use Only Only for training and service purposes 3 3 LAN PORT INSPECTION PING TEST Connect SET LAN port PC LAN Port SET PC 3 3 1 Equipment setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program IP Number 12 12 2 2 3 3 2 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 Connect each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable LX pamm 3 4 Model amp Serial number Download 3 4 1 Model name amp Serial number D L Press P ONLY key of service remote control Baud rate 115200 bps Connect RS 232C Signal to USB Cable to USB Write Serial number by use USB port Must check the serial number at Instart menu 3 4 2 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 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 14 Manu
119. ircuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or cir cuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropri ate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold
120. min at 100 mA SIGNAL 3 KV min at 100 mA 2 Mass Production Line Test GND AC 1 5 KV sec Cut off current not exceed 100 mA TEST time 1 min Mass Production Line 1 sec TEST POINT GND TEST POWER CORD GND amp SIGNAL CABLE METAL GND Internal Pressure TEST POWER CORD GND amp LIVE amp NEUTRAL LEAKAGE CURRENT At 0 5 mArms 8 Audio Measurement condition Audio practical 9 100 12 max Output L R EQ Off AVL Off Clear Voice Off we 1 RF input Mono 1 KHz sine wave signal 100 Modulation 2 CVBS Component 1 KHz sine wave signal 0 5 Vrms 3 RGB PC 1 KHz sine wave signal 0 7 Vrms Distortion 10 8 10 10 8 Vrms max Output 2 Speaker 80 Impedance LGE Internal Use Only 9 USB S W Download Service only 1 Put the USB Stick to the USB socket 2 Go to General menu then enter to About This TV 3 Enter the USB EXPERT MODE 4 Updating is starting 5 Updating completed the TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select To
121. nce Spain Italy Belgium Russia Luxemburg Greece Czech Croatia Turkey land Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Serbia Slovakia Beralus Supported satellite 22 satellites HISPASAT 1C 1D ATLANTIC BIRD 2 NILESAT 101 102 ATLANTIC BIRD 3 AMOS 2 3 THOR 5 6 IRIUS 4 EUTELSAT W3A EUROBIRD 9A EUTELSAT W2A HOTBIRD 6 8 9 EUTELSAT SESAT ASTRA 1L H M KR ASTRA 3A 3B BADR 4 6 ASTRA 2D EUROBIRD 3 EUTELSAT W7 HELLASSAT 2 EXPRESS AM1 TURK SAT 2A 3A INTERSAT10 Copyright 2014 LG Electronics Inc All rights reserved aD LGE Internal Use Only Only for training and service purposes 1 Digital TV DVB T T2 DVB C 2 Television system DVB S S2 2 Analogue TV PAL SECAM B G I D K SECAM L L 1 Digital TV VHF UHF C Band Ku Band 2 Analogue TV VHF E2 to E12 UHF E21 to E69 51 to 520 HYPER 521 to 547 3 coverage gt DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB T2 Model L V Z T2 only Model Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 1 2 2 5 2 3 3 4 5 6 Analog Upper Heterodyne Digital COFDM QAM 4 Receiving system 64 QAM 1 2 2 5
122. odel 2 Only 50inch AUO Local dimming Model 50LA66 Test method Insert the USB memory included video file below inspection pattern in Poweronly mode Play repeat first second pattern once per second If the circle of each side flicker Local dimming function is OK lt First Pattern gt lt Second Pattern gt 3 Only LA71 Series LGD Local Dimming Model 47 55LA71 16 block Step 1 Turn on TV Step 2 Press TILT key on the Adj R C Step 3 At the Local Dimming mode module Edge Backlight moving left to right bottom to Up Back light of ALEF module moving No1 gt 2 gt 3 gt gt 14 gt 15 gt 16 Step 4 Confirm the Local Dimming mode Step 5 Press exit Key Direction LGE Internal Use Only 4 4 Magic Motion Remote control test 4 6 Wi Fi Test Results are automatically marked in Instart OSD after Step 1 Turn on TV through the AP Magic Remocon Equipment on the line Step 2 Select Wi Fi Connection option in Network Menu Wi Fi Magic Search E Wi Fi Magic Search Power On K Option Check Process General Inspection Automatically check for shipment mode e AP Magic Remocon Equipment IN START Italy 2 ADC Data Country Gi 3 Power Off Status Country Group Code System 1 Group 7 Model Number D L 4o T Option Step 3 Click Off Button to On in Wi Fi Connection 10 Sync Level is mn 11 Stable Coun
123. of N External Input Component creen and HDMI DVI by connecting Jig pattern Generator Set top Y Box etc Copyright O 2014 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Established symptom 17 i 19 High Power B D DC Power on by pressing Power Key On Remote control Stand By Red Operating Turn Off Check Power cord was inserted properly Replace Main B D Measure voltage each output Power Replace Main B D Check ST BY 3 5V 18 B D Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes andard Repair Process Established symptom N Check A C cord gt er Fix A C cord Please refer to the all cases which can be displayed on power off mode Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes A22 Check Power Mode Off when on off while viewing power auto on off Revised date 7 13 Y Replace B D N Replace Power B D 19 Power mode is displayed Check Power B D voltage Y x Replace Main B D N Caution Check and fix exterior of Power B D Part Replac
124. ol Option 1 and push OK key 3 Punch in the number Each model has their number Copyright 2014 LG Electronics Inc All rights reserved 20 Only for training and service purposes LGE Internal Use Only ZH389 7 X 50001364 SVS3N3M 4 gt EXI A3M 221 1H9l10901 gt MI LANYSHLA LNO sAlddS 1 SNINWIG 7 2 lt 4 lt gt 9851 c THIN x jnO SZI 1012 143 98 44 SWING 97982 W31SAS waz x 910215 91 009 waz x 9219 91 X 0091 TVL X Pa CHIN au 4 14 28 x uu c Apeoy eig d H 2S 9 2L Cuter 0 4072 245 E o7z asn N AU y 21 YANNL 9 1 994 YANNL 5 1 LGE Internal Use Only 21 Copyright 2014 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
125. olor coordinate and temperature using CA 210 CH 14 X y Cool 0 271 0 002 0 270 0 002 13000 K 0 0000 0 286 0 002 0 289 0 002 9300 K 0 0000 0 313 0 002 0 329 0 002 6500K 0 0000 4 2 7 LED White balance table EDGE LED module change color coordinate because of aging time Apply under the color coordinate table for compensated aging time Only march to December amp Global Model normal line LGD LB5xxx LB6xxx LB7xxx LB8xxx 3 69 279 284 204 303 321 333 6 3649 274 274 289 293 316 333 8 80 119 272 271 287 290 314 330 9 Over 120 271 313 329 Only January to Febuary 8 Global Model normal LB5xxx LB6xxx 7 LB8xxx 313 i 328 326 6 4150 274 275 29 294 316 334 8 272 271 287 290 330 9 Overiz 271 270 286 209 313 329 Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes AUO INX Sharp CSOT BOE Cool 13000 4 3 Local Dimming Function Check 1 Normal Edge LED Model Step 1 Turn on TV Step 2 Press TILT key on the Adj Remote control Step At the Local Dimming mode module Edge Backlight moving right to left Back light of IOP module moving Step 4 Confirm the Local Dimming mode Step 5 Press exit key LEIS Local Dimming Demo Edge LED M
126. omatically Frame Compatible Side by Side Half Top amp Bottom 7 5 USB DLNA Movie Input 3D supported mode manually H freq kHz V freq CEN Pixel clock MHz 3D input proposed mode 2D to 3D Side by Side Half amp Bottom interlaced Over 704x480 2D to 3D Side by Side Half Top amp Bottom Checker Board 50 60 Row Interleaving Column Interleaving Frame Sequential Over 704x480 T 2D to 3D Side by Side Half Top amp Bottom Checker Board progressive Row Interleaving Column Interleaving 7 6 USB DLNA Photo Input 3D supported mode manually H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode Over 320x240 Copyright 2014 LG Electronics Inc All rights reserved Internal Use Only Only for training and service purposes USB DNLA Input 3D supported mode automatically H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 2D to 3D Side by Side Half Top amp Bottom Checker 1 1080P 33 75 30 Board Row Interleaving Column Interleaving Photo Side by Side Half Top amp Bottom 7 7 HDMI PC Input 3D supported mode manually H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode EN 2D to 3D Side by Side half HDTV 768P 2D to 3D Side by Side half Top 1920 1080 67 500 148 50 HDTV 1080 Frame Sequential Row Interleaving Column Interleaving 640 350 2D to 3D 720 400 4 Others
127. r defect 2014 01 20 _ Enterior defeet Revised date Zoom part gt Replace module with exterior damage Replace cabinet Replace remote controller Replace stand gt 14 Copyright 2014 LG Electronics Inc rights reserved Only for training and service purposes 13 13 LGE Internal Use Only Contents of LCD TV Standard Repair Process Detail Technical Manual A Video error_ No video Normal audio Power Board voltage measuring method A Video error_ No video Video lag stop LCD TV Version checking method AT EN LCD TV connection diagram A8 scams aer Check Link Cable LVOS reconnection A10 condition Adjustment Test pattern ADJ Key LCD TV connection diagram m Video error Vertical Horizontal bar Check Link Cable LVDS reconnection A10 residual image light spot condition A11 Exchange Main Board or EPI Cable Appendix Az Defected Type caused by Main Inverter Exchange LED driver Board PSU M Exchange Module itself 1 Exchange Module itself 2 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Adjustment Test pattern ADJ Key A OD Exchange Main Board Cable Contents of LCD TV Standard Repair Process Detail Technical Manual Continued from previous page Check front display LED Check power input Vol
128. rn and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges 5 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 LED TV used LD42B 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification 2 Requirement for Test CE IEC Each part is tested as below without sp
129. ronics BS_SOC COMP gt AUAD_L_CH3_IN AUAD IN 8 gt sc soc TP318 SCART_LOUT_SOC SCART ROUT SOC DTV MNT V OUT SOC 1 TP3 2 gt 5 SOC TP311 SC TD SOC 1032009 3 13 279 gt 1 PB soc soc 314 1 v 50 315 PR soc 316 gt AUAD_L_CH2_IN 7 gt CH2 IN TP302 SMARTCARD DATA SD EMMC TP303 SMARTCARD VCC SD E TP304 SMARTCARD DET SD C DATA 3 TP305 SMARTCARD RST SD E C DATA 2 306 SMARTCARD_PWR_SEL SD_EMMC_DATA TP307 SMARTCARD CLK SD E C DATA O Placed as close as possible to 161311 Tuner IF Filter TU ALL IntDemod ALL IntDemod Reta C332 ADC_I_INN lt 11 F_N 51 0 01uF C331 2305 ADC 22 TU ALL IntDemod ea C333 ADC_I_INP lt 11 51 0 01uF TU_ALL_IntDemod TU ALL IntDemod
130. rvice purposes Standard Repair Process Detail Technical Manual Error i A Video error Color error iri 2011 1244 symptom Check Link Cable Bae reconnection condition eee TT Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error LCD TV Video error Color error 2014 01 20 Test Pattern Test Pattern Pattern Control Of Pattern Control White Press to hide OSD Press to hide OSD ae CES 4 HAHAH 888 Press 9 to hide 050 Test Patter Test Pattern Patter Control Black Press 0 to hide OSE Press to hide 050 Test Pattern Pattern Control 127 You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image MODULE error ADD BAR SCAN 4 Video error Classification of MODULE or Main B D A12 Copyright O 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange Cable B D 1 Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Copyrigh
131. s reserved LGE Internal Use Only Only for training and service purposes PLACE JACK SIDE Place JACK Side Place SOC Side AV1 CVBS COMP1 Y Circuit was moved to 34Page 1 Pb Pr TU CVBS R333 33 322 jp es R335 33 gt 5 1005 R318 1 75 R326 1 75 TU_ALL_2178B R329 100 C318 C324 jo gt COMP2 PR IN SOC TU ALL 2178 0 047uF COMP1 AV1 DVI L IN COMP1 AV1 DVI R IN AUDIO IN 5 TU HP OUT L308 BLM18PG121SN1D 9 OUT C365 0 22uF HP OUT 1309 BLM18PG121SN1D 5 m Lp 525 0 22uF Iio Place at JACK SIDE THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM IN R309 27K C316 4 7uF R322 10K 1 R310 27K C317 4 7uF 1 1 R323 10K CORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS THAT ONLY MANUFACTURES SPECIFIED PARTS SYMBOL MARK ESSENTIAL THE CRITICAL COMPONENTS IN THE NN M14 A WHEN SERVICING IF 15 BE USED FOR F THE SCHEMETIC Copyright 2014 LG Electronics Inc rights reserved Only for training and service purposes SECRET LGElect
132. se Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error Established 2014 01 20 LCD TV A Video error No video Normal audio 2014 01 20 Content LED driver 24V measuring method 2 z A2 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error LCD TV sa Video error No video Normal audio i EZ ADJUST White Balance ni Tool 2 Tool Options Tool Option4 Tool Option5 Tool Option Tool Area Option Continent Detail ADC Calibration 10 White Balance 11 20 Point WB 12 Test Pattern 13 Sub B C 14 Ext Input Adjust lt ALL MODELS gt G Gain B Gain H Cut G Cut 0 1 2 3 4 5 6 7 8 9 B Cut Test Pattern Backlight Reset Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 10 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD A3 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes symptom 52 Copyright 2014 LG Electronics Inc All rights reserved Only
133. t 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Appendix Exchange EPI Cable or B D 2 Abnormal Power Section Abnormal Power Section Solder defect Short Crack m s EAN i Solder defect Short Crack Fuse Open Abnormal power section Abnormal Display GRADATION Noise GRADATION Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes No Light Dim Light Dim Light Dim Light No picture Sound Ok 3 5 Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and service purposes 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 2014 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 line Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Un repairable Cases In this case please exchange the mod
134. t oo Option 12 SDP Server Selection Tool Option4 13 RF Remocon Test Tool Option5 14 Access Code Tool Tool Option Component SCART RGB UTT 0 HDMI1 APP History Ver 17654 HDMI2 PQL DB LGD_ELF_SI2178_XXXXXX Step 4 The system finds AP like blow 4 5 3D function test Except Non 3D product Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 4 HDMI mode 872 pattern No 83 1 Please input 3D test pattern like below O K 2 When 3D OSD appear automatically then select OK key Step 5 Select the you want to connect 3 Don t wear a 3D Glasses check the picture like below Copyright 2014 LG Electronics Inc All rights reserved 218 LGE Internal Use Only Only for training and service purposes 4 7 LNB voltage and 22KHz tone check only for DVB S S2 model Test method 1 Set TV in Adj mode using POWER ON 2 Connect cable between satellite ANT and test JIG 3 Press Yellow key ETC SWAP in Adj Remote control to make LNB on 4 Check LED light ON at 18 V menu 5 Check LED light ON at 22 KHz tone menu 6 Press Blue key ETC PIP INPUT in Adj Remote control to make LNB off 7 Check LED light OFF at 18 V menu 8 Check LED light OFF at 22 KHz tone menu Test result 1 After press LNB On key 18 V LED and 22 KHz tone LED should be ON 2 After press LNB OFF key 18 V
135. tage amp ST BY 5V Checking method when power is ON a when on off while BoweR OFF MODE checking method Checking method in menu when there is no audio 22 D O1 C Audio error No audio Normal video Voltage and speaker checking method when there is no audio C Audio error Wrecked Voltage and speaker checking method in A25 audio discontinuation case of audio error D Function error No response in Remote controller operation checking method remote controller key error 26 28 29 Display has error especially color V Com checking and adjust method Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual i Established symptom A Video error video Normal audio 2014 01 20 Check LCD back light with naked eye 11 14 a T A 1 838 D EDI 1 a 4 x 1 5 PE 112 9719 19 09 ay After turning on the power and disassembling the case check with the naked eye whether you can see light from module holes 1 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal U
136. th and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precau tions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applyin
137. ting to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remain ing on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional
138. ue CS Checksum of sent data A Acknowledge Ex Send JA 00 DD 00 okDDX RS 232C Command used during auto adjustment RS 232C COMMAND CMD ID DATA Explanation Begin White Balance adjustment 10 Gain adjustment internal white pattern Gain adjustment completed Offset adjustment internal white pattern wb 00 Offset adjustment completed End White Balance adjustment wb ff internal pattern disappears wb 0000 gt Begin white balance auto adj wb 0010 gt Gain adj ja 00 ff gt Adj data jo 00 0 wb 00 1f Gain adj completed 00 20 Start wb 00 2 Off set adj wb 00 ff End white balance auto adj Copyright 2014 LG Electronics Inc All rights reserved Only for training and service purposes 16 Adj Map Applied Model LD42B Chassis ALL MODELS Data Range Default lower caseASCII Hex Decimal CMD2 MX BGan f 100 CO Rout j j j Le Get j j 4 2 5 Adj method 1 Auto adj method 1 Set TV in adj mode using P Only key 2 Zero calibrate probe then place it on the center of the Display 3 Connect Cable RS 232C to USB 4 Select mode in adj Program and begin adj 5 When adj is complete OK Sign check adj status pre mode Cool Medium Warm 6 Remove probe and RS 232C cable to complete adj W B Adj must begin as start
139. ule Horizontal Block Gate TAB IC Defect 5 5 Copyright 2014 LG Electronics Inc rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Established symptom B Power error power Front LED control Menu gt General gt Standby Light gt Off ST BY condition Red Power ON condition Turn Off A17 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Power error No power Content Check power input voltage and ST BY 3 5V NN 18 Check the 3 5V 3 5 6 Pin 24 Pin Power Board lt gt Main Board SMAW200 H24S5 4 ES 18 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual Error i B Power error _No power iri symptom Check power pin is high 24 Pin Power Board lt gt Main Board SMAW200 H24S5 mero PWM 2 12V 12V fe L DIMO MOSI L DIMO SCLK ES 19 Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual LCD TV B Power error
140. ule contact condition Check color by input External Input HDMI DVI Check error color input mode i A12 Check Test pattern Check External Input Component cable HDMI DVI Check external error device and cable Cable normal Replace Main B D Copyright 2014 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error A Video error m Symptom Vertical Horizontal bar residual image light spot external device color error Revised date 5 3 Vertical Horizontal bar residual image light spot Replace Module c Check color condition Check external Check and External Input device 5 Component replace Link Replace Main B D HDMI DVI condition Cable adjust VCOM For LGD panel Replace Request repair Replace Main B D module for external device For other panel Check Test pattern External device screen error Color error Connect other Check screen External Input and cable Component Check normal operation of HDMI DVI External Input Component Y and HDMI DVI by connecting Jig pattern Generator Set RGB Connect other external error device and cable Check normal operation
141. urposes LG ELECTRONICS OPT ZD6802 ADUC 20S 02 0101 RIN1 206803 205 02 0101 20 32 LGE Internal Use Only PLACE JACK SIDE SCART SIGNAL Use only BUY Cis Model m Place JACK Side SOG Ache 3 3V_NORMAL 00 NJM2561BF1 1302 1uH R328 100 C326 4 0 047uF SC INL gt i CS T ARN 50 C302 U C311 150pF 150pF 28315 E WEBS TN SOY 50 362 EU T o iur E DTV MNT_V_OUT lt EU C363 DTV MNT V OUT SOC O 1uF R305 100 SC_FB FB 500 R306 10K 80 TD gt SC_ID_SOC R302 EU R316 f gt 2 7K C lt lt OA lt lt A lt lt lt lt lt lt A i5 EU R330 C319 0 047uF SC B e e gt COMP1_PB_IN_ SOC C320 E 0 047uF e T gt COMP1 Y IN SOC C327 E 1000pF SC IN SOYL gt gt COMP1 Y IN SOC

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