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LED LCD TV SERVICE MANUAL

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1. RF_SWITCH_CTL USE T2 C T C ATSC DTMB ISDB LNB_ Tx A cs ovas ERROR amp VALID PIN em LNB OUT CHB ERR TU6504 TU6500 TU6501 TU6502 TU6503 L9_T2 C S TDSH T151F 3 3V_TU ATV_OUT CHB_SYNC IC6500 3 3V_ TU E TDSS G151D TDSN G351D TI OGO BHOSIRE TDSO GO51D CHB_VAL 74LVC1G08GW OPT CHB FS Y TU en 26511 CHB_CLK L6508 E BR_TW_CN_TUNER CHB_DATA TU_TS_VAL close to TUNER BLM18PG121SN1D x ee 06520 TU_RESET SE 0 1uF emm em D 00 AWW 6 16V 0 1uF e EU Il TU_TS_ERR TS 1 o gt TW_H NIM T2 C_F N CHB_ T C S2 V CHB RF SWITCH RF SWITCH MTK L9_DVB ATSC NTSC T nd RF_SWITCH_CTL c6501 C650 R6500 D RF S N CTL NG Svi SPL N m T au PRO TH ON TUNER FE TS VAL 10V 16V u T R6508 4 PIOS 3 a Pa RESET 100 L9 T2 C S e e e Be ma EE MTK L9_DVB ATSC NTSC TC
2. gt VCOM P gt VCOM N LD VCOM LOOP 70018 A l LO R7708 0 e P VCOMRFB 07705 C7708 LOM2HPN2R2MGOL SE e EQUES vf et eh fe uy wt 1QuF 10uF 2 2uH R7709 0 o aa ag a a vee 10v 10V VCOMLEB COV zm Ss mm OPT 1 16W A I t nt eed R7759 R7760 aires fi I i bono 0 0 INSTEAD OF AMCCO208 VCOM_DYN 1 16w 1 16W Vcore Em Fe OPT 1 16W 1 16W R7725 6 FROM SOC 1 16W 87960 PMIC_RESET CTRLN MMBT3904 NXP 22705 To soc OPT m 5 gt VGL FB R7728 100K i o BLM18PG121SN1D als Fri e OPT L770 Tlale lalo le EI RI xx 1 16W 5 27703 VGL FB HF ojal ojoje oj z z Z a a a 00 lalalvIialrzsjojojolololo CTRIN gt m B pas C7706 C7709 LOM2HPN2R2MGOL R770 i 8 10uF 10uF 2 2uH 10K EE gt swe 100V 10V 10V 1 16W ouT4 4 CTRLN gt vcH FB C7745 C7747 R7745 o 8084 gt VGL ES SWN i A e RET HERMAL um luF25V 1uF25V D7705 1 16W 3 49 67727 RE 07756 67733 OUT1 SWP NZ o 1ur 171ew iur 167700 100v 50 5 Te gt OUT2 Js VGH V 25V TN 700 A 5082 6 TPS65178RSLR ERLE PGND2 TCOMP No L7702 a 7 BEL TCOMP A VL SWB VL C7707 C7728 E T SWB1_2 SDA R7700 67704 ta c771 C7711 L
3. t de en MAX 1 8A o n jm N EN ILIM1 10uF 0 1uF S USB CTL1 e 5 6 35V 50V de NS E Sen 2x Is ll 3AU04S 305 ZC LG 04332 04334 M T o Pio 04303 VSENSE 47pF a100pr HON uS ut N ate LN E oo 50V 50V R1 OKNS A ad BS 0 o0 oo z R4336 m OET El 0 01uF 20K Ge C4338 m 50V X l 000pF USB DMI e E N J 50V o z E E la A USB_DP1 e EM a L e m o a un D Vout 0 8 1 R1 R2 2 Ge R2 06 ea qo S i Ms Ham AA nos N J Ox a R4332 d E IC4306 de lt POWER ON OFF2 4 EP GND SN1104041 DC DC 2CH USB SW 04300 0 luF 16V 12V SR 3 3V_NORMAL A VIV EN 24 1 N 4 E R4342 AGND_ O COMP 10K 314306 Ius 23 E xi 2 e 6 BLM18PG121SN1D O 5 SB_DCDC_SN1104041 x x Y x AT o o VIN 2 SCH C4340 04340 1 2 E U B 2 e 22 3 C4342 4700pF 0 01uF a a 100pF 50V Tsov IF aF oF m C O Soen NS USB_DCDC_BD86180 o al m o E is 04325 ER 4 al gl m ac MAX un 5 A 10uF USB DCDC SN1104041 16V 5 5 E ch 5V_USB_2 A EEND 20 5 EN SW E e SEET 3AU04S 305 ZC LG pel Ha A JK4302 PGND_1 0 EN_SW 9 6 e USB_OCD2 e Be x n BST O NFAULT2 K 5V USB 8 7 e USB DM2 e Be H un A 143070 art Q 3 6 O 1uF e a bul 16
4. 4 N DDR MAIN 1 5V 1 2V_MTK_CORE A CT POWER_ON OFF2_1 rm NEE o 12V E Eo MAX 3 4 A as A 5 V NORMAL Sen 12404 c2420 L IC2400 2uH BLM18PG121SN1D 3 ROS 0 380 ERI e L2410 102405 b TED e e OEE BLM18PG121SN1D EP PGND TPS54425PWPR 3 3V NORMAL NOTE 17 3 5V ST x PGND NC_2 x 16V C2423 A OPT Si 0 1uF El C240 402408 C240 C2414 al 02441 Placed on SMD TOP vx JE us 824000 i0uF sel0ur 10uF el OuF 3300pF Sexo Il 1 5V DDR RD uo e El U 10v 10v 10v 10V 50V ano La 4 1 A E C2405 QET on e R2 240 2402252403 KF bass SHE 3 Un T 2428 C C R R 10uF el 0uF 0 lur ER Ke 3 3K 50V Ri BLM18PG121SN1D VIN1 o5 VFB 10K 16V 16V Lev Le LI T e 02431 3 E 2 e i L2406 10uF a i E 3 6uH 16V N VIN_1 E VBST VREGS e e STU e e 2 3 e LI li IMS de THERMAL NR8040T3R6N 438 NO S R2403 mae C2448 C2418 102419 kf 02427 AA TuF POWER_ON OFF1 2 02424 02425 02446 02447 SW2 ss 10V 10K 10uF 10uF 0 1uF 0 1uF 1 4 C2404 E 10V 16V 102403 10uF 10uF 10uF 10uF Es 02434 0 iuF TPS54319TRE c2422 10V 10V 10V 10V O 1UF RIA 16 Il Jr ON SW1 GND R24271 02445 E E 2 0 01uF gt
5. N ale la MMBD6100 MMBD6100 5V_HDMI_2_JACK 5V_HDMI_1_SOC y y D3301 Yv y D3303 l R3316 R3318 R3304 R3306 1K 4 7K 1K 4 7K BODY SHIELD BODY SHIELD HDMI INTERNAL EDID S E R3317 R3305 HP DET R3313 03302 B R3301 03300 B DDC_SCL_2_JACK i 3504 NXP HDMI HPD 2 JACK HP DET Ed 9904 NXP e HDMI HPD 1 SOC ae DDC_SCL_4_JACK 5V 5V z p lt 1 DDC_SDA_2_JACK lt F GND GND HDMI_EXT_EDID DDC_SDA_4_JACK DDC_DATA DDC_DATA R3302 100 ESA DDC_SDA_2_JACK DDC SDA 1 SOC DDC CLK DDC_CLK R331 100 R3303 100 ANN gt DDC SCL 2 JACK gt DDC SCL 1 SOC NC NC CE REMOTE CE REMOTE CEC REMOTE CEC REMOTE ts du as a a a emm D D D D D D D D D D D D D emm D D emm D D D emm D D P D emm D D D D D D emm D emm gt CK _HDMI2_JAC gt CK _HDMI1_SOC CK_GND CK_GND q CRT x CK Ea gt CK _HDMI2_JAC E gt CK HDMI1 SOC 2 DO io DO gt DO _HDMI2_JAC gt DO _HDMI1_SOC o o DO_GND 4 DO_GND DI m DO DO O DO HDMI2 JAC O DO HDMI1 SOC D1 D1 gt D1 _HDMI2_JAC gt D1 _HDMI1_SOC D1_GND D1_GND D1 D1 O D1 _HDMI2_JAC O gt D1 _HDMT1_soc D2 D2 gt D2 _HDMI2_JAC gt D2 _HDMI1_SOC D2_GND D2_GND D2 D2 gt D2 _HDMI2_JAC gt D2 _HDM soc IK3302 JK3300 RSD 105156 100 la UL
6. d 2 af N mmm Stand Base Body O c B an Si an x I I I I I I I I I I I I I I I I d I I I I I I d I I I I I X SR ST AAA Copyright O 2012 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes HAX6430790 EAX6443420 AS Talem 3 3V NORMAL NVRAM R103 4 7K R105 70104 4 7K AT24C256C SSHL T OPT A R104 A0 vcc 4 7K OPT AL WP A2 SCL 3 3V_NORMAL NVRAM_ST TELA Et M24256 BRMN6TP TOI04 2 RIEX24256BSASOA SCL NVRAM R Write Protection R136 Low High Normal Operation Write Protection 33 GND SDA R137 gt 12C_SCL5 33 NVRAM_ATMEL I2C_SDA5 HDCP EEPROM HDCP_EEPROM_ST 70100 M24C16 R 3 3V_NORMAL R181 4 7K SCL R191 22 SDA R192 22 HDCP EEPROM MICRO TCLOQ 1 24LC16B AO VCC Al WP A2 SCL VSS SDA 7206 SCL1 120 SDA1 L TC DR KO LA22 gt LB22 JTAG AR100 10K 3 3V_NORMAL A A o R146 10K MTK_JTAG 3 3V_NORMAL MTK_JTAG MT
7. 5 48VTO5 76V OPT 1 sA IC105 IC1O5 LGE2112 LGE2112 CHANGE SYMBOL AA32 AG35 AGA LO TXCAN HDMI_CEC HDMI_O_RX_O 3054 DO HDMI2 JACK OO TXC4P HDMI 0 RX OB DO HDMI2 JACK AGI AG33 E AG37 i53 gt TXC3N ee ng33 HDMI O SCL HDMI O RX 656 lt DIt HDMI2 JACK DC OD TXC3P 3 AE33 33 DDC_SCL_3_JACK I ra EDMI 1 scr HDMI O RX 18 o D1 HDMI2 JACK ee FL LO IXCCLKN AC33 2 DDC SCL 1 Soc EE HDMI 2 SCL HDMI 0 RX 2 PEA lt D2 HDMI2 JACK SE AF4 ES TXCCLKP DDC_SCL_4_JACK C 3 HDMI 3 SCL HDMI 0 RX 28 XL D2 HDMI2 JACK xc Eos DS TXC2N 4 RX C lt CK _HDMI2_JACK AE4 AF33 BDMI_O_RX_C 1154 AO2P a LO TXC2P DDC_SDA_2_JACK SES HDMI_0_SDA HDMI_O_RX_CB CK _HDMI2_JACK aoin CD TXC1N ADS F27 AE2 re 283 AE37 MODEL_OPT_8 TCONO AO1P 1 L TxciP DDC_SDA_1_SOC anas DMI 2 SDA BDMI 1 RX 0 i256 E DORSEDMIS AGE MODEL_OPT_9 comi aoo E ID TXCON AH33 3 _OPT_ DO ESDRJA VAQE HDMI_3_SDA EDMI_1_RX_0B 1535 el MODEL_OPT_10 E TCON2 AOOP an2 C TXCOP R304 AG31 HDMI ARA A 1534 UR GCLK SOC CI ro TCON3 304 1K AG 7 5V_HDMI_2_JACK lt q See RES aom1_o_pugsv HDMI_1_Rx_1B o gt CI D1 _HDMI3_JACK MCLK SOC E B27 BEN ER AL3 ewe 3 1K Z Ri ER 7 AL4 5V_HDMI_3_JACK K HDMI_1_PWR5V HDMI_1_RX_2 lt D2 _HDMI3_JACK me A27 BES 306 1K AC31 Rom RL aea4 GST soc lt 525 Teens AE4P las gt TXD4P 5V_HDMI_1_soc Q ausi BDMIC2 PMRSV HDMI 1 Rx 28 eege D2 _HDMI3_JACK EO soc CI ONE aran E gt TXD3N R307 1K 283 E 5V_HDMI_4_JACK 4
8. R101 4 7K R106 4 7K MTK_FHD R108 4 7K MTK_OPTIC_Tx_IC R125 4 7K R130 MTK_3D_DEPTH_IC TK FRC3 URSAS5 4 7K MTK_DDR_768MB R132 4 7K R135 4 7K R140 4 7K R175 4 7K R186 MTK_CP_BOX TK_DVB_T2_TUNER MTK_DVB_S_TUNER TK_DVB_C2_TUNER 4 7K MTK_EPI R189 4 7K MIK Int FRC URSAS FRC R102 4 7K R107 4 7K R109 4 7K R127 4 7K R129 MTK_HD NON_3D_DEPTH_IC MTK_NO_FRC FRC3 MTK_NON_OPTIC_Tx_IC 4 7K TK_DDR_DEFAULT R133 4 7K L_ gt S2_RESET et 4 7K R141 4 7K R184 TE R138 4 R187 4 NON DVB T2 TUNER NON DVB S TUNER NON DVB C2 TUNER MTK NON CP BOX MTK NO FRC Int MT IHE SYMBOL MARK OF THIS SCHEMETIC e MT e MT e MT DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics gt MODEL OPT 0 gt MODEL OPT 1 gt MODEL OPT 2 gt MODEL OPT 3 MODEL OPT 4 MODEL OPT 5 gt MODEL OPT 6 M RFModule ISP MODEL OPT 7 MODEL OPT 8 MODEL OPT 9 MO
9. b R6525 R6509 0 IU geL e e I2C SCL6 BR TH CN TUNER BR_TH_CN_TUNER 5V T SU en 33 LLC6508 11 LL C6506 1 A E E NOT L9 T2 C S TH SpA SDA pi PF R6510 Reih TE 56516 3 Na ute Vu e co n O a eati ME ae my LEAD cR E E e 2 OPT e C6506 DN T S DA 50V 50V 470 R6518 perallel 18 F Tea dV TU mer 82 RODES R6521 because of derating M Hg 3 3 3V TUNI E close to TUNER gt TUNER SIF 220 gt 06511 Pces1a SA 2 100pF ur e gt TU CVBS SIF Ss Zoo 06522 e e MOD E en e 1 BLM18PG121SN1D A AT_H NIM pa UE J Am a B 06501 T C_H NIM T C S2 T2 C_F NIM T2 C S2 C6551 Mer 66505 1 8V_TU R6519 p MMBT 32 06 NXP 1 100pF 0 1uF 0 1uF i 7 1K e CVBS e soy Jev 16V T C amp AT amp CHB DVB_S NOT_T C amp AT DVB_S T C amp AT amp CHB atose to Tuner ix mF j 1 should be guarded by ground OPT hd T C amp AT amp CHB 3 e I C I e 7 Sec RESOR AA 199 lt F AGC No via on both of them NOT_DVB_S DVB_S amp CHB T2 C DVB_S amp CHB DVB_S amp CHB NOT_DVB_S NOT_T C amp AT EM L9pATSC should be guarded by groumd 3 Signal width gt 12mils e T C_DI e CO IF P Signal to Signal width 12mils bt_L9_T2 CfS NOT T C amp AT T2 C amp CN NOT T C amp AT NOT T C amp AT Not_L9_T2 C S RF SWITCH u Ground Width gt 24mils CH SET GET 3 3V D Demod e e 7 gt IF_N 3 66523 55525 hd EE T C amp AT amp CHB T2 C amp CHB amp CN T C amp AT amp CHB NOT T C amp AT amp CHB X
10. 34 MT5369 TS OUT 35 MT5369_TS_OUT 37 MT5369_TS_OUT J36 MT5369_TS_OUT J37 MT5369_TS_OUT J35 MT5369_TS_OUT J33 MT5369_TS_OUT G33 Sjajajlgslojvjelo MT5369_TS_OUT H35 _DATA 0 H31 _DATA F34 _DATA E36 _DATA N33 _DATA P32 _DATA M35 _DATA M37 afajajajajajaja _DATA ZSfaja s wjin e M33 SLOT MT5369_TS_IN MT5369_TS_IN MT5369_TS_IN MT5369_TS_IN gt SOC F35 E35 E37 0 1 2 3 N32 MT5369_TS_IN M34 MT5369_TS_IN M36 M32 0 L 2 3 4 5 6 7 L33 4 5 MT5369_TS_IN MT5369_TS_IN E33 E32 F32 AAN A29 D31 c31 eege T C100 O luF O luF 0 OPT OPT OPT SC ID SOC OPT OPT OPT e e C102 c103 0105 0106 0104 UF 0O 1uFQ 1uF0O 1uF EP MODEL_OPT_0 MODEL_OPT_1 E30 E31 ESD E29 _LOCK6 ERROR_OUT MODEL_OPT_3 MODEL_OPT_7 M_RFModule_ISP MODEL_OPT_5 N RE93 MODEL OPT 6 ON EU 10K R176 APO AT9 AR9 AU9 AN23 10K AN24 R162 10K AP23 R163 10K AR23 MODEL_OPT_4 AU23 M RFModule RESET lt AT23 OPC EN lt AM24 TU RESET AM23 S2 RESET C_ o IS Oc WN Ee CO oo N o o DEMOD
11. 100pF 0 1uF 10uF 5 ef ee T2 C amp CN T2 C amp CHB amp CN NOT DVB S C6509 5 NOT T C amp AT amp CHB NOT T C amp AT amp CHB M snc e Gen T BLM18eG12isnip Ati 23V TU J FE Not L9 T2 C S NOT DVB S T2 C amp CHB amp CN H NIM amp CHB Not L9 T2 C S o a EN CHB e e clos to UNER 16507 A 1 8V TU 659 653 8 CEST SERIE ZEB Not L9 T2 C S Not L9 T2 C S zem EN 4700pF WE BLM18PG121SN1D otn NOT_T C amp AT amp CHB Obd e e E Lsov sov me 50V CN li T2 C amp CHB amp CN amp BR T2 C amp CHBSCN amp BR e e L CHB_CVBS L9 T2 C S gt CHB_ERR gt CHB_SYNC e e gt CHB_VAL OT_T C amp AT amp CHB gt 6HB erk b AR6500 0 gt TU_TS_ERR MCI e DFE TS SYNC e e e gt TU TS VAL DO e FE_TS_CLK e e gt CHB DATA D1 OT_T C amp AT amp CHB gt FE_TS_DATA 0 7 e e AR6501 0 FE_TS_DATA O D2 e e FE TS DATATI FE TS DATA 2 T2 Max 1 7A D3 FE TS DATA 3 else Max 0 7 e e D4 FE_TS_DATA 4 e e FE TS DATA 5 FE TS DATA 6 D5 ze e e FE TS DATA 7 NOT_T C amp AT ind 6 105 P 86502 3 3V_TU_IN 106501 m NOT T C amp AT amp CHB A AP2132MP 2 5TRG1 EP e D7 e NOT T C amp AT Seperate GND for CHB R6 527 x GE No zZ 1 E 20K R2 CN GN Ji e 1 R6528 1 Zn e y 06540 ENS OR 0 1uF oe E NQT T C amp AT 2 o 7 E 1 16W GN DVB S amp CHB El 11k e 18 18 St 1850 1 23V_TU R6523 EN AD 86529 RI J BLM18PG121SN1D A 10K IOR Zb ES D DVB_S amp CHB 3 6 13 e id 00 e e DE es C6519 3 3V_D_Demod NOT
12. M4 M3_DETECT M1 FS COMP1 Pr M6 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS CVBS 1 PHONE JACK 3 3V NORMAL R3810 10K LD3800 T5 6V AV JACK BLACK OPT JK3800 KJA PH 1 0177 M5_GND M4 M3_DETECT M1 M6 AV_JACK_YELLOW e JK3800 1 KJA PH 1 0177 1 L D3801 5 6V M5_GND OPT M4 M3_DETECT M1 e M6 D3802 ix 5 6v OPT AV1_CVBS_DET AV1_CVBS_IN AV1_L_IN AV1_R_IN ESD For MTK N Esp For LG1152 N p3803 1 ebe T5 6v 5 6v ESD_LG1152 ESD_MTK 3 2 D3800 2 a 5 6V ESD_MTK ESD_LG1152 D3801 1 D3801 2 5 6V 5 6v ESD LG1152 a a ESD_MTK D3802 1 D3802 2 L 5 6V 956V SD MTK Ep 161152 IN J BLOCK LGE Internal Use Only C
13. White Balance table Edge LED module change color coordinate because of aging time Apply under the color coordinate table for compensated aging time Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON gt Enter the mode of White Balance the pattern will come out Full White Pattern aa COLOR ANALY ZER TYPE CA 210 RS 232C Communication Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 Auto control interface and directions 1 Adjust in the place where the influx of light like floodlight around is blocked Illumination is less than 10 lux 2 Adhere closely the Color analyzer CA210 to the module less than 10 cm distance keep it with the surface of the Module and Color analyzer s prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 5 minutes Using no signal or POWER ONLY or the others check the back light on Auto adjustment Map RS 232C RS 232C COMMAND CMD ID DATA Wes a E White Balance Start White Balance End RS 232C COMMAND CENTER CMD ID DATA MIN DEFAULT MAX Co mia wam Cool mia Warm RGam jo ia fia oo 172 1192 1192 i2 opp db fie 100 172 1192 162 1192 BGain ji io
14. 3 CO CO O0 C1 E CS ND EZ ADJUST ar Tool Opti Tool Option Pattern Control Of Tool Option3 osn Tool Option4 BS m Tool Option5 4 Tool Option6 Tool Option x Nn P a 0 Es b3 L N 3 D vi E j u VOL PM e e Y t ad E M d E px Le Ki E ER PSU D g Country Group aua ED ADC Calibration Test Pattern Doc White Balance 10000 Red Gei ignis us Pross 8 to hide OSD e Test Pattern ES e u EE E Touch Sensitivity Setting o Ext Input Adjust E pe Um Test Pattern Test Pattem Pattern Control d Blue Pattern Control Black sie ETT You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN DAD 4 Video error Classification of MODULE or Main B D Appendix Exchange T Con Board 1 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 Appendix Exchange T Con Board 2 Abnormal Power Section Abnormal Power Section Solder defect Short Crack i reres BAT RR Solder defect Short Crack Fuse Open Abnormal power section Abnormal Display GRADATION GRADATION Noise Appendix Exchange PSU LED driver No Light Dim Light
15. Dim Light Dim Light No picture Sound Ok Appendix Exchange the Module 1 EA dt Panel Mura Light leakage Panel Mura Light leakage Press damage E Crosstalk Press damage Crosstalk Un repairable Cases In this case please exchange the module Press damage 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 Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Un repairable Cases In this case please exchange the module Horizontal Block Gate TAB IC Defect Error symptom lt a Standard Repair Process Detail Technical Manual B Power error No power es TU Screen OK 9 HOME INPUT BZN Y H E 0 Remote control and intelligent sensors Power indicator Touch buttons Standard Repair Process Detail Technical Manual Established B Power error No power Estero 2010 12 14 Content Check power input voltage and ST BY 5V e lo For 10 models there is no voltage out for st by purpose When st by only 3 5V is normally on A18 Check the DC 20V 24V 12V 3 5V 24 Pin Power Board Main Board Common 19 12V 20 Lamp A Dim LED NC Error out 23 GND P_DIM2 24 Lamp SCANNING Model PWM Dim 2 Standard Repair Process Detail Technical Manual Error i symptom Check
16. E B de e 0 5 33K oe 22pF e e Dn er oe Shba 02426 R2407 02439 1 50V SS x 100pF 100K 3300pF x E 50V PGND2 9 S PG 50V e Es 2 9 R2432 9 El gt 1 16W N 5 R1 un gt a PGND1 EN R2431 2421 3 8 7 82414 LOE F Vout 0 8 gt L Ri R2 e AW ii Jo C2437 POWER ON OFF2 2 DEE 5 50V 0 1uF 3 3V NORMAL S _ de L2411 A 7 2uH KPH e R2 C2442 02444 3A 0 145 22uF ZI 22uF 10V 10v Vout 0 827 gt 1 R1 R2 1 521V E A VOTES 0 763 0 0017 Vout set t doe EE REZ IH SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics Fi ti MODEL 0016 Ti O LG ELECTRONICS BLOCK SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes l i l I d TH TH Renesas MICOM For Debug MICOM_DEBUG 12507NS 12L 3 5V_ST N MICOM_DEBUG R3014 1K R3011 10K N Don t remove R3014 not making float P40 gt MICOM DEBUG MICOM RESET en a a a D emm D emm D D D D D D D
17. EE 91 A3 54 4C 99 26 x02 oF 50 54 A1 08 oo 31 40 45 40 61 40 71 40 81 80 oxosj 01 o1 o1 o1 Ot O1 02 3a 80 18 71 38 20 40 58 2C 0x04 45 oo ao BA oo 00 oo 1E 66 21 50 BO 51 OO 1B 30 oxos 40 70 36 oo AO 5A oo oo oo 1E oo 00 OO FD OO 3A x06 3E 1E 53 10 oo oa 20 20 20 20 20 20 d 01 001 22 15 o1 26 ts or 50 09 1 5 for f N joxos f Es o5 o3 ot 02 3a 80 18 71 38 20 40 58 004 2C 45 oo ao BA oo oo oo 1E ot 1D 80 18 71 16 16 0x05 20 58 2c 25 oo ao sa oo oo oo 9E O1 1D oo 72 51 0x06 DO 1E 20 6E 28 55 oo AO 5A oo oo oo 1E oo OO 00 007 oo oo oo 00 oo oo oo oo oo OO oo OO OO oo OO e2 LGE Internal Use Only 3 Detail EDID Options are below a Product ID HEX EDID Table DDC Function 0001 01 00 Analog Digital b Serial No Controlled on production line c Month Year Controlled on production line ex Week 01 gt 01 Year 2012 gt 16 fix d Model Name Hex cf TV sets model name in EDID data is below MODEL NAME MODEL NAME HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 OA 20 20 20 20 20 20 20 LG TV e Checksum Changeable by total EDID data 3D FHD Model HDMI1 HDMI2 HDMI3 HDMI4
18. HIE JA XI Oli wn Ci NINI Cl NS CN OJ N dia AJOO QA H Alo D A E Hj odjcwidwj v XII Oo st H BZ RIO m BH oO gja DHS HH OJ oc a Ayo Ay NNR ERY OMY MI OJQ HH eil AL NI al EOS AJO Aa o nd A HI O FH A HIN xX a Bo m ojola H SI AIN OJA o A ss n x o DO a LO Ay Ay AY NIN A N Al O LO oj A H Ay u 5 M vd vd q Ay x J U UL SE a Br d Bs s 3 3V NORMAL ra EU og 2 2 Z Ke See d EP o cue CEC sr Oo a E E R 8 A a m E a R3034 El x ps 4 7K El OPT POWER_ON OFF1 gt EDID_WP EDV ST Q3000 A MMBT3904 NXP EDID WP e R3028 R3029 27K 120K o D3000 BAT54_SUZHO CEC_REMOTE a E HDMI_CEC 03001 g RUE003N02 HDMI CEC FET ROHM 03001 1 LG ELECTRONICS SI1012CR T1 GE3 HDMI_CEC_FET_VISHA D Y MODEL IDATE BLOCK SHEET LGE Internal Use Only 5V_HDMI_4_JACK 5V_HDMI_3_JACK BODY_SHIELD e e R3310 R3312 1K 4 7K R3330 R3336 GND 1K 4 7K BODY SHIELD R3307 03301 B E R3331 HP DET MMET 3904 NXP RE HP DET R3327 03303 Bar MNAC 3904 NXP HDMI HPD 3 JACK 5V E 5V E GND a GND DDC
19. SECRET LGElectronics up Lourl HP_ROUT HP_DET t3 3V NORMAL JK3700 KJA PH 0 0177 R3700 10K HP_OUT LG ELECTRONICS EAG61030001 HP_OUT ESD for MTK VA3700 1 5 6V ESD MTK HP OUT 7 ESD for LG1152 VA3700 2 5 6V ESD_LG1152_HP_OUT BLOCK SHEET LGE Internal Use Only RS232C 1C3800 MAX 3232CDR D Lut C3800 RS232 EST c3801 RS232 0 1uF 11 c3802 RS232 c3803 0 1uF 11 RS232 EAN41348201 3 5V_ST 12V_COMMERCIAL_OUT E 12V 1A FOR COMMERCIAL RS 232C POWER 12V COMMERCIAL OUT A IR_OUT RS232 100 3 e R3820 9 RS232 100 3 e R3821 2 3 5V_ST ES OPT_RS232 D3804 D3805 R3834 20V gt T 20V DET OPT 10K weg FOR COMMERCIAL E SPGO9 DB 009 IK3803 gt SOC RX A soc Tx UART_4PIN_STRAIGHT UART_4PIN_ANGLE 3 5V_ST 3 5V_ST P3800 P3801 12507WS 04L 12507WR 04L R3811 R3814 4 7K 4 7K OPT OPT e e e e e COMPONENT 1 PHONE JACK 3 3V NORMAL R3806 10K COMP JACK BLACK JK3801 KJA PH 1 0177 M5_GND M4 T5 6v OPT D3803 CO COMP 1 DET gt COMP1 Y M3 DETECT MI M6 00 0 COMP JACK GREEN m Comi Pb JK3801 1 KJA PH 1 0177 2 M5_GND
20. gt CI SLOT A AVDD_33SB MT5369_MCLKI lt MT5369_MISTRT lt SOC gt CI SLOT lt TS_OUT 0 7 CI Crystal Matching Test result 27pF X CARLE E gt 20pF gt 24pF x100 IC R119 MT5369 XTAL IN MT5369 XTAL OUT JTCLK x JTDI JTDO 4 N A JTMS gt s Or jus fos fos JTRST D U N OSDAO OSCLO D N OSDA1 oscL1 MT5369 XTAL IN MT5369 XTAL OUT lt VDD 33SB A AT34 AU34 AK27 c116 0 1uF Hb gt AH26 AK18 C117 0 1uF Hie VDD3V3 AK17 AK23 c118 0 1uF Her c107 2 2uF 10V AM27 AVDD33 XTAL STB AVSS33_XTAL_STB AVDD33_VGA_STB AVSS33_VGA_STB AVDD33_PLLGP MT5369_NON_RM TOLOS LGE2112 POWE POOE 20081 20080 dek DD6 DDS DD4 DD3 DD2 DD1 DDO PARB PACLE PAALE EMMC_CLK OPWRSB ORESET AVSS33_PLLGP AJ20 c108 2 2uF 10v vm AVDD10 LDO FSRC WR STB SCL STB SDA ADDR H32 ADDR E37 ADDR F36 ADDR G37 ADDR G36 ADDR G35 ADDR G34 ADDR H34 ADDR L34 vjojsilinjlajpjuoujvpi jr1lo0o ADDR L32 ADDR 33 m o ADDR 11 32 ADDR 12 H33 ADDR 13 13 5 ololjololjoltoljololololojolololo 36 ADDR 14 J32 J34
21. gt key at 8 ADC Calibration There are 2 ways for ADC Calibration OTP External OTP mode Automatic ADC Calibration Internal ADC Calibration On the manufacture line OTP 16 used for ADC Calibration automatically Externl mode Manual ADC Calibration When OTP mode is failed ADC calibration should be OK by using External mode 3 1 1 OTP mode 1 Press ADJ key on the Adjustment Remote Control then select 8 ADC Calibration By pressing Enter key enter ADC Calibration menu 2 Set up the ADC Type to OTP then Select Start button by pressing Enter key Component and RGB are Written and display Success or NG Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 40 lt 3 1 2 External mode Equipment MSPG 925 series Pattern Generator RS 232C Jig 1 Input the signal for TV SET by using Pattern Generator Model 225 Pattern No 65 1080P 2 Change the ADC type External by using P key 3 Enter Start key 4 Check the sign OK all of comp RGB Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image EZ ADJUST O Tool Option 1 Tool Option 2 Tool Options 3 Tool Optiond 4 Tool Options 5 Tool Option 6 Tool Option 1 Country Group ADC Calibration ADC Component OK ADC RGB OK 9 White Balance 10 10 Point WB 11 Test Pattern 12 EDIO Dri 13 Sub B C 14 Touch Se
22. C f Vendor Specific HDMI 3D FHD model 3D xvYCC OFF amp 3D xvYCC ON Input Model name HEX HDMI1 78 03 OC 00 10 00 B8 2D 20 CO OE 01 4F 3F FC 08 10 18 10 06 10 16 10 28 10 HDMI2 78 03 OC 00 20 00 B8 2D 20 CO OE 01 4F 3F FC 08 10 18 10 06 10 16 10 28 10 HDMIS 78 03 OC 00 30 00 B8 2D 20 CO OE 01 4F 3F FC 08 10 18 10 06 10 16 10 28 10 HDMM 78 03 OC 00 40 00 B8 2D 20 CO OE 01 4F SF FC 08 10 18 10 06 10 16 10 28 10 4 6 Model name amp Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect RS232 Signal Cable to RS 232 Jack Write Serial number by use RS 232 Must check the serial number at the Product Service info menu key red key select product Service info Manudacturer LG Eleciron ce Inc ype A2LM7600 T Sofware Version 01 10 00 zu Version 01 00 Serial Number 109 6 PT00015 B PE EEN Hmc Customer Service Center 1300 54 7773 Homepage http www Jo com 4 6 1 Signal Table omo tenera ADH AL DATA oetan CS DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH tADL Data_1 Data n Delay 20105 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes AI 4 6 2 Comand Set Adjust mode CMD hex LENGTH hex EEPROM WRITE n bytes
23. Enter into White Balance of item 7 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 Standard Repair Process Detail Technical Manual Error a Established Om A Video error No video Audio established 2010 12 14 Revised Content Power Board voltage measuring method date Check the DC 24V 12V 3 5V Edge LED vi 24 Pin Power Board Main Board Common SI AW200 H24S YEONHO Inverter Inverter On off Es QA Lamp A Dim LED TT AN PWMDm Dim 1 GND P_DIM2 Error out e Lamp SCANNING Model PWM Dim 2 Standard Repair Process Detail Technical Manual Error i Established symptom A Video error_Video error video lag stop 2010 12 14 TUNER input signal strength checking method iii lt ALL MODELS gt Standard Repair Process Detail Technical Manual Error I A Video error_Video error video lag stop er 20101214 symptom LCD TV Version checking method x WE 1 Checking method for remote controller for adjustment Zeil ata 1 Pr ech Status Gescht Group Code d System met Group System Version 7 Model Number D L SC at en 8 Test Option ool Option 9 Spread Spectrum Tool Option2 10 Sync Level Tool Option3 11 Stable Count Tool Option4 12 SDP Server Selection Tool Options 13 Network Error History Tool Option6 14 RF
24. L5402 10 0uH WAFER ANGLE CON NRS6045T100MMGR L5403 10 0uH A T e ES Q1801 1ST OTRIY80001A 2ND OTR387500AA SW D S Se 15401 3 8 e BLM18PG121SN1D 24V_AMP Hao A OPT u O R5406 AUD_MASTER_CLK 5 2 SE E ES in l i HE A r nl mee Ls Lee Due s c5413 L 05414 O O E TTE SOV 35V Jo 15400 0 1uF T SE MR HJHJH Al eil eil gi eil A AA C1S21J121 16V T SI OI HI AJ HJ Ha j a ja t e e e u Di Die a ye al HJ UI AJ ay aye D5400 e P e El GO HI Il ol mM col o BJ DI gt 5 5 1N4148W SE mou S PT Sod Sa mla ol e ALA iar Y 00 05401 QEAS 05407 ZG ul EA 222 50v SOV LE 4 s M 16V 50 5403 e 1000pF ue 05402 50V 5430 rs gt T 100pr R5404 AGND PLL 1 QUT1B 2 p5401 Y DEER 50V 3 3K a 1N4148W R5408 R5412 S AVDD_PLL 2 OUTIB_1 100y 12 12 THERMAL DVDD PLL 3 20 PGND1B io e 22000pF LF 4 BSTIB 50 e DGND PLL 5 E C 2 4 O 0 VDR1 e J OPT 1 TU Ten N GND_1 6 NTP 75 00L VELD 10V 0 1uF L e rev DGND 9 AGND e e DVDD 8 VDR2 05427 we 05428 LL 05433 SDATA BST2A LuF iur T LuF Kun RR 25V 25V 25V WCK PGND2A C5426 e e AUD LRCK e 22000pF EN BCK OUT2A 2 px Gi AUD_SCK R5402 100 SDA QUIZA 1 I2C_SDA1 L gt e e R5403 100 I2C SCL1 T emm E E 50V 50V rd LAN aa gd Al NI dl NI m N e EN ola m ale sis A A msi ime ize TOK WD O Oj OJ HAJAJMINJNIAN on 12 R5405 GC HI HJ HJ moi ZI NIN nn
25. e EXT AMP RESET FOR AMP RESET MAIN SOC EXT AMP MUTE SPK_L_OUT_COMMERCIAL PATTERN SHOULD BE CONSIDERED MAX 3W e e SPK R OUT COMMERCIAL OPT COMMER EXT AMP COMMER_EXT_AMP_JACK sagen E JK7000 KJA PH 0 0177 GND 5 Ly 4 SPK_L_OUT_COMMERCIAL T e C7006 e 10uF 7000 DETECT 3 160 Sl LM zs SPK_R_OUT_COMMERCIAL T e e e 2 S C7007 10uF 7001 E EC LY EAG61030001 2x THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET te El ETTRONITS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE Schemeric LG Electronics BLULK Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes ZO P ee MODEL gt DATE ms SHEET LGE Internal Use Only TH Ti u SYMBOL MARK OF THIS SCHEMET a e D a A D A a an a AA Gm A a an A an an A a A A A E ABD ED E AD E BD A A BD BD GEN LVDS_51PIN P7100 FI RE5S1S HF J R1500 LVDS 51Pin LV DS OU PU Connector 41Pin LV LVDS_4 27101 DS OU 1PIN FI RE41S H
26. 01A 4 DA7 180 LG B LAN XML e PHY TD e PHY TD e PHY RD e PHY RD D5000 D5001 D5002 D5003 5 5V T 5 5V T 5 5V T 5 5V T OPT OPT OPT OPT e e e ESD for MTK ESD for LETS SHPELD ESD LG1152 D5000 1 I d ESD MIK BS Fe 2000 58 02 OR5L REG 5 5V 2000 5S 02 08514 ESD_LG1152 D5001 1 T ESD MIK ADUC 5S 02 OR5L D5001 2 5 5V 2000 5S 02 0851 jasper ESD_LG1152 D5002 1 ESD MIK 2000 5S 02 08514 D5002 2 5 5V 2000 5S 02 OR5L ESD LG1152 D5003 1 T ESD MIK D5003 2 2000 58 02 OR5L 5 5V 2000 5S 02 08514 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION DR ee eee ee SECRET LG ELECTRONICS MUDEL DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics BLOCK 5HEET 8 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only DUAL COMPONENT 3 3V NORMAL AMP RESET N L5404 10 0uH VYN NRS6045T100MMGK L5405 10 0uH P NRS6045T100MMGR
27. 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit
28. DATA R3308 100 u DDC_SDA_4_JACK DDC_DATA R3328 100 DDC_SDA_3_JACK DDE lt CER R3309 100 ende gt DDC_SCL_4_JACK DDC_CLK R3329 100 ARC R3300 NC DDC_SCL_3_JACK ams GB GB GB GB GB GB al GB GB aaa al al al al GB al al al al al GB al al GB aq al GB GB al al al a a a GE Ga CE REMOTE 0 CEC_REMOTE CE_REMOTE CK CEC_REMOTE gt ck HDMI4 JAC CK CK_GND gt CK _HDMI3_JAC CK_GND A CK m gt CK _HDMI4_JAC N CK e DO Cl HDMI ARC gt CK _HDMI3_JAC o gt DO _HDMI4_JAC DO q DO GND o gt DO HDMI3 JAC 2 DO GND DO 5V_HDMI_1_SOC 5V_NORMAL Denn SV NORMAL DS DO HDMI4 JAC DO AA DI DO DO _HDMI3_JAC gt D1 HDMI4 JAC D1 D1_GND _ gt D1 _HDMI3_JAC D1_GND a P gi i 703300 v v MMBD6100 Yy y re gt D1 _HDMIA_JAC Diet M24C02 RMN6T D3300 S D2 OS D1t HDMI3 JAC ts CD D2 _HDMI4_JAc D2 C gt D2 HDMI3 JAC E E E0 vcc D2_GND b eas SE O D2 _HDMI4_JAC Dex 0 du Ll gt D2 HDMI3 JAC El we 16V R332 R3325 EDID WP 223 HE R3319 E E2 SCL 22 RSD 105156 100 3301 JK3303 ee lt lt Die sert 1 soc DDC_SCL_3_JACK JK m U I gt HDMI RSD 105156 100 SS S VSS SDA 22 H e DDC SDA 1 SOC LLL U I m HDMI 3 HDMI EXT EDID SOPA DDC_SDA_3_JACK 5V_HDMI_2_JACK 5V_NORMAL 5V_HDMI_4_JACK 5V_NORMAL A A A A
29. ELECTRONICS HIER SHEETS LGE Internal Use Only TH SP TH Fi ti u Ti u 3 3V_NORMAL VDD3V3 L500 BLM18PG121SN1D CON 60mA c500 VDD3V3 A C503 10uF as m C504 L501 BLM18PG121SN1D SE mm 2 AQE AVDD_33SB 3 3V_NORMAL A POWER_ON OFF1 A Ie T luF TP500 3 3V EMMC 3 3V NORMAL EMMG de A A L504 L506 BLM18PG121 SN1D BLM18PG121SN1D TON e AK e 0512 0522 0 1uF 0 1uF 16V 16V SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes LG Electronics SECRET 1 2V_MTK_CORE 5600mA c524 10uF C506 eed KE c532 0 1uF um 5 3 5 0 1uF 1 2V MTK CORE 10uF pen Tre 1 1 2V MTK CORE A 1 2V MTK AVDD L502 BLM18PG121SN1D mm 000 TH 5V_NORMAL DAC_3V3 A 70501 AP1117E33G 13 e INADJ GND OUT 0526 10uF 10V e R500 1 0540 0544 10uF 0 1uF 10V 16V LAN JACK POWER O Gaski tt SMD GASKIT 8 5T RGB M501 Ed Q D
30. IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS DET LOCK SHEET LGE Internal Use Only Place Near Micom LOGO_LIGHT THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 43 5 V ST A L8900 LOGO_LIGHT VUE BLM18PG121SN1D O P8900 12507WR 03L 1 LOGO_LIGHT R8900 100 LOGO_LIGHT LOGO_LIGHT amp B R8901 10K LOGO_LIGHT LOGO_LIGHT S m G Hi SECRET LGElectronics 1K Q8900 R8903 E LOGO_LIGHT MMBT 3904 NXP l LG ELECTRONICS LGE Internal Use Only O LG Life s Good 2012 LED LCD TV Engineering guide Contents of LCD TV Standard Repair Process No Error symptom High category Error symptom Mid category Remarks 1 No video Normal audio No video No audio A Video error Video error video lag stop fail tunning Color error Vertical Horizontal bar residual image light spot external device color error No power B Power error Off wh
31. Inc All rights reserved Only for training and service purposes EDID data and Model option download 12 4 5 2 Manual Download lt Caution gt 1 Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital EDID Pin3 exists 2 Never connect HDMI amp D sub Cable at the same time 3 Use the proper cables below for EDID Writing 4 Download HDMI1 HDMI2 separately because HDMI1 is different from HDMI2 For Analog D sub to D sub For HDMI EDID DVI D to HDMI or HDMI to HDMI ltem Hex Data 1 3D FHD RGB EDID data xvYCC OFF 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F oxooj 00 FF FF FF FF FF FF Lo jep a bo 001 ce 01 03 68 Ao 5A 78 OA EE 91 A3 54 4C 99 26 0x02 OF 50 54 a1 08 00 31 40 45 40 61 40 74 40 81 80 oxo3 01 o1 o1 o1 Ot O1 02 3A 80 18 71 38 20 40 58 2C 0x04 45 00 ao sa oo 00 oo 1E 66 21 50 BO 51 OO 18 30 oxos 40 70 36 oo ao 5A oo 00 oo 1E oo oo oo FD OO 3A x06 3E 1E 53 10 oo oa 20 20 20 20 20 20 da wo dote 2 3D FHD RGB EDID data xvYCC OFF 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 10x08 0x09 Ox0AJOx0B Dx0C Ox0D Ox0E OxOF oxooj 00 FF FF FF FF FF FF Lo E D srx 001 c 01 03 80 Ao sa 76 OA
32. KL VGH_ODD CLK4_I a TITE gt CLK4 VGH_EVEN CLK3_I 9 ED CLKS n R7714 VGL I CLK2 I 00000 CLK2 CLK1_I gt cLK1 Ee ine onp I o LD Ur e N lt GIP_RST x M x M X H CD VCOMRFB O O VL O O o vaon 000000 VDD H vpp A vec A RE RI748 VGL 1 16w N REVERSE R7740 0 gt VGL I NAAR R7749 IK 1 16w R7703 47 VGH_R BI SCAN 1 16W TXAAN EO_SOC gt EO VGH_R lt 4 REVERSE xd R7741 0 1 16W FROM SOC VGH_F el GCLK Es DISCHG e VGH_F CI n GCLK vee 1 16w e 67713 ODD gt MCLK RER 15pF VGH_ODD lt i MCLK TXACLKP 50V EVEN TPS65198 GST VDD TXACLKN VGHZEVEN I 1 GST R7735 A VST IC7701 EO 100 VST CI EPI EO LATEN jan ane i R7719 0 RESET VSENSE e LO RE GIP_RST CI e e OPT 1 16w R7704 47 1 16w TXA1P GST SOC O GST DIscHG CI DISCHG GND R7736 al 07750 R7743 0 TXALN 1 16W SC DUE FROM SOC FRONSTE 1 16W 25y OPT 1 16W VDD PANEL_VCC Vcore 7718 R7716 A EA E A C A EE VGL 0 de e sg SES A 1 16w 15K 15K 50V OPT R7738 lt R7747 1 16w 1 16w 1 16w 1 16w B QET EPI_LOCK3 OPT R7752 R7754 3 3V NORMAL a Dh CTI 26 19K 13K CD EPI_LOCK6_SOURCE a 1 16W LuF 1 16W en o I e GMA18 e R7705 47 E MCLK SOC gt MCLK So aon VCOM P GMA16 1 16W C e R7758 FROM SOG 10uF luF VCOM_N GMA15 10K 16V 25V e VCOM LOOP 70018 R7756 67719 R7731 0 GMA14 10K 0 i gt EPI LOCK6 15pF 1 16W GMA12 c SCH R7757 JE GMA10 e MMBT3904 NXP gt Es GMA9 R7761 10K Q7703 10K E D7702 GMA7 OPT R7706 R7734 0 i o ja GMAS A
33. Local Dimming mode Step 4 Press exit Key Local Dimming Demo Edge LED Model LGE Internal Use Only 4 8 3D function test Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 41 HDMI mode No 872 pattern No 83 1 Please input 3D test pattern like below O K 2 When 3D OSD appear automatically then select OK key 3 Don t wear a 3D Glasses check the picture like below O K 4 9 Wi Fi Test Step 1 Turn on TV Step 2 Select Network Connection option in Network Menu Network Connection Step 3 Select Start Connection button in Network Connection Network Connection Start Connection Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 14 Step 4 If the system finds any AP like blow PIC it is working vvell 4 10 Magic Motion Remote control test 1 Equipment RF Remote control for test IR KEY Code Remote control for test 2 You must confirm the battery power of RF Remote control before test recommend that change the battery per every lot 3 Sequence test 1 if you select the Start OK key on the Adjustment remote control you can pairing with the TV SET 2 You can check the cursor on the TV Screen when select the OK key on the Adjustment remote control 3 You must remove the pairing with the TV Set by select OK key Mute key on the Adjustment remote control 4 11 Outgoing condition Configuration m When pre
34. OPT 1 NON JAPAN JAPAN toco usd MODEL OPT 2 TACT_KEY TOUCH_KEY MODEL_OPT_3 LCD OLED PDP IR Wafer IR Wafer MODEL_OPT_4 Han ee For Sample Set GP3_Soft touch GP4 TOOL MODEL OPT 5 NON MHL MHL GP4 HIGH MODEL OPT 6 NON GED GED N A MC8101_ABOV TACT_KEY SECRET LGElectronics CM3231_CAPELLA GP3 Soft touch CM3231_CAPELLA GP4 Soft touch 3 3V_NORMAL R3035 4 7K OPT e e 12V_EXT_PWR_DET HDMI WAUP HDMI INIT dei UE S N N s FLG POD DRL Q S POD_WAKEUP_N a E E es I RST_DIIVA lt 1 gt RST DIIVA CI S S E gt POD NAKEUP N gt o 3 a a s x FLG_POD_DR X3000 5 Jl 2 ar ei P 8 N See 32 768KHz E for DiiVA QS R3023 Be H gt S 4 7 JE og dr N N be E g e Bus GND sia e MICOM RESET SW N OR E SW3000 333V ST de y eb g 12 1127WEM e __ N 2 1 10 we e q Oo EXT AMP MUTE A ty e 0 lur
35. Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LCD TV used LB22E 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification EMC CE IEC 2 Requi rement for Test Wireless Wireless HD Specification Option Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by p
36. Replace module Adjust VCOM exterior damage C E A28 Contents of LCD TV Standard Repair Process Detail Technical Manual Continued from previous page Vore tro de eo X creck power ut Ve nern me POWER BOARD vonage measarra merod sa SEENEN AGIVERFOFE MODE checa method viewing on error Cit when on off while POWER BOARD PIN voltage checking method Checking method in menu when there is no audio Voltage and speaker checking method when i A25 there is no audio NM DN MD ho gt CO IN 25 26 2 8 E C Audio error No audio Normal video C Audio error Wrecked Voltage and speaker checking method in audio discontinuation case of audio error D Function error No response in Remote controller operation checking method remote controller key error D VCOM Adjustment Sequence of the Vcom adjustment 29 30 31 32 Standard Repair Process Detail Technical Manual Error read 2010 12 14 LCD TV I Video error No video Normal audio EZ ADJUST O Tool Option 1 Tool Option2 He Dod lor Te Tool Option4 D Pa 4 Tool Option5 R Gain 6 8 9 Toni Antianf G Gain Tool Option B Gain ADC Calibration R Cut White Balance G Cut 11 20 Point WB B Cut 12 Test Pattern Test Pattern 13 Sub e 14 Touch Sensitivity Setting Backlight 15 Ext Input Adjust Reset Entry method 1 Press the ADJ button on the remote controller for adjustment 2
37. SS dl Nd i N ee ExT o uu Bs A O 2 e Ab g COMMERCIAL 12V CTL 2 S o a s ES 12V_EXT_PWR_DET o El my oO N IH SI HI eil N AI bo H al HJ H ojolz 3 3V NORMAL KI HI XI Xx O ei eo SCART_MUTE ML H E HIN Qnm NIET fd NIS O Q n DINI NI MINI NI OD OO ALN 2 U Ell eil eil eil eil Gj TJ cd eee pont gt o MI Aj Al AJ A a NM a mim 10K 10K eo POWER_ON OFF2_4 AMP_RESET_BY_MICOM P60 SCLAO y P140 PCLBUZO INTP6 3 3V_NORMAL I2C_SCL3 gt RL O P61 SDAAO gt POOZTTOOJ TXO1 720 SDA3 gt SCART MUTE R3037 R3003 22 P62 3 P01 TO00 RXD1 For Japan LNB INIT Se AMP RESET NC e gt POWER ON OFF2 4 OPT AMP RESET BY MICOM P 6 3 P 1 3 0 PANEL CTL X e 4 T E 3 O O O gt POWER ON OFF2 1 PSL TIOS TOOS INTP4 e P20 ANIO AVREFP MODEL1_OPT_5 KEY2 5 be P75 KR5 INTP9 SCROI1 SCLOI a R5F100GEAFB P21 ANI1 AVREFM P74 KRA INTP8 SIO1 SDAO1 7 P22 ANI2 3 3V NORMAL HDMI_CEC MODEL1 OPT 2 P73 KR3 SO01 y MICOM P23 AN13 POWER_ON OFF2_2 lt MODEL1_OPT_1 E P72 KR2 SO21 P24 ANI4 10X POWER ON OFF2 3 MODELI OPT 0 m P71 KR1 SI21 SDA21 B25 ANIS EEPROM SDA e SEE gt SIDE HP MUTE P70 KRO SCK21 SCL21 P26 ANI6 EEPROM SET I e MODEL1_OPT_4 P30 INTP3 RTC1HZ SCK11 SCL11 P27 ANI7 MODEL1_OPT_6 MODEL1_OPT_3 R3018 R3019 3 3K 3 3K 3 5V_ST H dl NIOO O O ALO OCI oo ciel ol Al NI NI X O OJ tS L ol oja gj OJ BH gi Al ay H e A CV HI al OI A A HJ A OJ aj za nj
38. T CSAT VIN VOUT NOT_T C amp AT See P 0 1uF 10uF OPT S2_RESET 31 Dove sscus iov R6512 ije le 2A 5 7 DVB_S amp CHB 2 2K 5V_NORMAL SZ R6513 16V VCTRL NOT_T C amp AT 3 3V_S2_DEMOB I EAN61387601 06549 gt Cose 20 S2_RESET er DVB_S amp CHB 10uF 2 F22 OUTPUT33 OPT 3 3V_D_Demod 16v A OPT e S2 SCL 34 06524 5652 E ENE L 100pF 0 luF ur S2 SDA INB TX ME SR we OPT 35 e a ES Ge 2C_SCL4 LN Be SES SE Vout 0 6 1 R1 R2 18pF GND_ 37 CHB Max 480mA R6504 22 2C SDA4 else Max 240 Pesse DVB_S amp CHB 18pF 3 3V_D_D d t3 3V TU 3 _D_Demo x LNB OUT op 50V Sc 1 8V_TU 3 3V_TU A A NOT_T C amp AT 189903 BLM18PG121SN1D FR NOT ses c Ce sell des mo 06538 06542 e E C6531 10uF 0 1uF 0 1uF MOS L Rout GES H ADJ GND nies di 1 TU6501 2 Ede U TDSN BO51F TDSN C251D TU6501 3 d zur _ TDSN COS1D 7 n D C6546 C6548 Nu e 6 E 1 Our DF Close to the tuner 10V Es r BR TW CN TUNER i 465mA MAX uS R6532 1 ju es 150mA MAX L i20 ohm ES SV NORMAL 3 3V TU e A 5V_NORMAL 5V_TU MTK L9_DVB ATSC NTSC R6532 L6503 BLM18PG121SN1D 0 ep em em em emm em em ee TER ceshe 06529 C6532 H TM Ej em em a em a 99 Close to the Ies 6536 6539 la 66530 1 E S 0 1uF So 22uF 0 1uE Dru E MR 0 1uF 16V 10V 4 16V 16V LOW tov T TE 0 D THE SYMBOL MARK OF THIS
39. Write n 1 16 Description FOS Default write lt 7mode data gt write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 4 6 3 Method amp notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial number is initialized Not always There is impossible to dovvnload 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 or Serial number like photo Model Number Dit 1091001000615 ITT 36 APP History Ver 15556 eve D Gain 50 PUL DE LED ELF BITTE KX 4 Check the model name Instart menu Factory name displayed 5 Check the Product Service mio Menu Key Support Select Product Service Info Buyer model displayed 4 7 Local Dimming Function Check Step 1 Turn on TV and push the Tilt Key on Remote control in Power Only Mode Step 2 At the Local Dimming mode module Edge Backlight moving right to left Back light of IOP module moving Step 3 confirm the
40. ala OUT A e gjall APH MJ OJ AJ AH A AI A e Iun c 100 e NI 4 ri il T 50 o R5400 E T 1000pF QW OVO Ol O Ar A A 05419 5421 05423 AMP MUTE sov L e 2 i Si lec 5 4 32 D MMBT3904 NXP 0 1uF 0 1uF 10uF past e E 50V 50V 35V 05403 Y 20 ieee es e RE BN R5410 SR5411 22000pF T 100y 12 12 50V e e e 0 e ea e El fu O O THE WOOFER MUTE lt 9 0 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS TEN NRS6045T100MMGK e e P SPK_L Gesang R5415 em 0 iuF 50V 5 1K 4 0 47uF e 205437 Po dur R5416 5 1K e e SPK L SPK Lil SPK L SPK Bi SPK R I e e gt SPK_R 5438 R5417 0 1uF 5 1K 05435 B OUR e SY M SPEAKER R 5439 R5418 0 1uF 5 1K 50V e e SPK R MODEL DATE BLOCK ISHEEI LGE Internal Use Only 3 3V_NORMAL EARPHONE AMP L6100 120 ohm BLM18PG121SNI1D e e C6107 0 1uF 10uF 10V des gt HP LOUT AMP 3 3V NORMAL R6104 N C6108 100
41. c c_10 c 1 c cai c A14 z 10 A14 E 10 B1 11 Bl 11 C 11 c ei c 2 c CD c B1 i Bl 11 B7 12 27 12 C 12 c c_12 c 3 c c_13 c B7 12 B7 12 B8 13 B8 s E 13 C 3 C C 3 C 4 c c_14 c B8 EE 13 B8 13 B9 14 B9 14 C 14 c 0 14 e 5 c_15 c B9 e 14 29 14 B10 21 B10 P1 C 15 c c_15 c 6 c C 16 c B10 P1 B10 P1 B11 E P2 B11 o P2 C 6 C E 6 C 7 el EAT c B11 22 Bll P2 B12 P8 B12 B P8 C 17 c cit c 5 geen EL c 3 e EMMC CLR BALL T C 18 c 3 B12 28 B12 P8 P P c_18 C C 18 c Don t Connect Power At VDDI MT sees NC 19 GER ver sees NC 19 E E SS erer EE ST pes EE c c_20 c c_20 c B14 211 B14 e P11 ci P12 ci m P12 c 20 c c_20 c ES 6 21 C c_21 c m c1 P12 ci P12 E P P 6 21 c Gon c Just Interal LDO Capacitor DATS c c 03 213 03 213 c7 P14 c7 214 c E c m c c C P C P K Cx DUL DUS DUL DUS Y MET DU2 DU10 DU2 DU10 3 2 VA DU3 DU11 DU3 DU11 Y 3 X 3 DUA DU12 DUA DU12 Y 4 Y 4 DU5 DU13 DU5 DU13 Y 5 Ts DU6 DU14 DU6 DU14 Y_6 Y_6 DU7 DU15 DU7 DU15 Y_7 Y_7 DUS DU16 DUS 20016 Y 8 Y 8 IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes
42. circuit board printed foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor
43. e e AN CI DSUB_G S S TP310 SDA PCM_WE A 0336 ur SE AOSDATAL Pano e BLM15BD121SN1 TP311 S T 309 SE BOSDATRO 5 R321 5306 PCM OE sp aug Close to Tuner c3 ATPE T C amp AT amp CHB se 53 15 a P OET Close to MT5369 Pee mies EN 5 50v SE 5S 02 015 MT5369_TS_VAL TP360 ADCINP_DEMOD HSYNC _HSYNC_ CI_A_VS1 6 R331 0 C337 luF R335 ANI AT32 DN AM25 EE e e A TP361 t ADCINN_DEMOD 7 _VSYNC_ E 2 IE dk VSYNC an25 0 01urggC366 100 R356 MT5369_TS_CLK TP362 T amp CHB 7 T C amp AT amp CHB 7 7 2 ST ABRA TECH 5 RE AD22 RP aR24 0 01urF c367 100 R357 PCM_IRQA TP363 T C amp AT amp CHBC310 AVDD33_DEMOD GP L304 SUNAT SEN 6 N 190 UTE AVDD T Se pa AU24 0 01uFf C368 100 R358 e IT OS DSUB_B E iu 9 S 33pF NE AP24 0 01urjjc369 100 R359 MISE tex SC_R_IN_SOC TP365 T C amp AT amp CHB S AL27 AT24 1500prjjc370 Leon ES E SC L IN SOC 72366 ETT AVDD12_DEMOD sos 152 17pF 25 N 4 Gem spe RGB_DDC_SDA 50v ABLE 5s 02 015 SC_CVBS_IN_SOC 122 lt gt eter Im AM28 AP22 di SC COM SOC TP368 T C amp AT amp CHB A T C amp AT amp CHB AVSS33_DEMOD VGA_SCL lt 1 RGB_DDC_SCL PN Se com 6 Ec 8 6 R332 10K R342 10K AVSS12_DEMOD E SC_G_SOC TP369 N IF_AGc CI B j ES com H SC COM soc SC R soc TP370 AR26 E c341 EE 0 047uF PBIP 5 2 SC_G_SOC SC_B_SOC TP371 BR 047uF T C amp AT amp CHB eri FE SC_R_SOC J SC_FB_SOC TP372 5 gt T CSATSCHB 035 EES AU26 sc B soc DTV MNT V OUT SOC TP373 UE So vaa sovi SC_FB_SOC SCART_Rout_S
44. f 19 te 192 172 e son Je e jee Io co je o jee Ip ecu je a je 110 Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO itis the FULL Dynamic Range of Module Manual W B process using adjust Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing gt key at 9 White Balance EZ ADJUST White Balance R Gain G Gain Opti B Gain 6 Tool Option a Country Grou R Cut G Cut B Cut Test Pattern Backlight Reset l p 8 ADC Calibration 10 10 Point WB Test Pattern 12 EDID D L Sub B C Touch Sensitivity Setting Ext Input Adjust After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON LGE Internal Use Only 4 2 DPM operation confirmation Only Apply for MNT Model Check if Power LED Color and Power Consumption operate as standard m Set Input to RGB and connect D sub cable to set m Measurement Condition 100 240V 50 60Hz m Confirm DPM operation at the sta
45. x HDMI 2 RSD 105156 100 0 UI gt HDMIA TH N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Fi ti MODEL vura DATE io2 Ti LG ELECTRONICS BLOC SHEE Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes RGB PC AUDIO SPDIF JK3603 SLIM 15F D 2 1 RGB 5V RGB 5V 5V_NORMAL RGB PC ei e AL d ka I MMBD6100 D3620 36 R3641 R3642 R3645 IC3600 i 10 M24C02 RMN6T 2 7K 2 7K e K I 2 I c 2 JK3602 3 3V M EE 2F11TC1 EM52 4F EDID_WP R3643 22 lt RGB_DDC_SCL S P D T R3644 22 E Es I RGB_DDC_SDA R3620 I 2 7K R3615 OPT 33 SPDIF_OUT e D3613 03615 5 57 0 1uF D3613 1 ADUC 5S 02 OR5L 16V 5 5V OPT DSUB_VSYNC e Se pce hos sd 02 orb ADUC
46. 04 NXP PWM_DIM1 A L240 GND P DIM2 E CIS21J121 PWM_DIM2 e C2401 82 o 0 1uF di E I SMAW2001H24S2 N Y SOV qo N 43 3V NORMAL ad P2401 El SE 5 E N 16 20 23 a e et E R2424 LD GND OR USE OPT E N L D OPEN R2405 LE L D USE CD ERROR OUT 22 POWER 24 ERROR OUT Mr nt E Ne IS S cO E II car qi EE EE nt T PEN Ten ne Power DET 5V Normal 12V N 12V A 5V_NORMAL gt IC2402 NCP803SN293 dim Be DEM DCDC TE S 52327 ej POWER DET gt e c2415 1 Qur 1C2404 Hoy TPS54327DDAR EP GND POWER ON OFF2 3 as R2435 10K EN VIN 1 8 c24001 SET 0 1uF L 5 R2416 16V VFB VBST C2429 100K 4 28 43 3V NORMAL RESET at 8XV ESD e ms L2409 VREG5 SW 3 Gun A 12413 1C2401 3 6 LED e AU NCP803SN293 NR8040T3R6N BLMI8PGI21SNID SS a 5 GND C2430 CN 3 A mm dur 3 5V_ST 3 3V_TU_IN 10v A L2412 POWER_ON OFF1 24V 3 48V God c2428 m POWER_ON OFF2_1 an 1UF 3300pF BLM18PG121SN1D C2436 POWER ON PEPA 12V gt 3 58V 10V 50V ONON 0 1uF POWER ON OFF2 3 ST 34 5WV 35 5wWV ir px Liev POWER_ON OFF2_4 i i i i L
47. 10uF R314 16V ER PC_L_IN OO PC L IN SOC 0 1608 sizs For EMI R300 R333 3 3 470K 6300 Cole AV1_CVBS_IN 00 ID avi cvBs IN soc S60pF 100pF 120ohm OPT 50V 50V c344 C348 Pi 20300 2 R330 0340 OPT OPT GE 27pF 100pF 75 5 48VTO5 76V 50V 50V 1 en c320 20301 OPT 7 1608 sizs For EMI 1047 3 5 48VTO5 76V R336 LEV de ee ER PC_R_IN 1 I Il CO PC_R_IN_SOC ke J 1 0Vpp X508 Li SEMI A e 0 R374 COMP1 Y SOC R301 c301 C315 COMPl Y e TD EA 470K 560pF 100pF OPT sov 50V 20802 C388 C394 2384 s pE 27pF R355 OPT OPT 5 48VTO5 Sov 50V 75 10pF E x 50V 2D303 OPT OPT 18 1608 sizs For EMI EE E 10uF R344 16v e ES si MI avi LIN DO It D gt avi L IN soc TROS Size EO EE 30K COMP1 Pb e e 2 R373 e DD COMP1 Pb SOC R328 190 0338 0342 D sa 560pF 100pF LES QET 50v 50v 20304 ee 2TpF 27pF posa 0379 OPT 5 48VT05 76V 50V 50V SE 5V_NORMAL T g 50V D shaj OPT OPT 13 T 5 48VT05 76V ya DSUB_VSYNC GUT gt DSUB VSYNC SOC aa R324 M 1 2K 0329 22 maos 1608 sizs For EMI R302 pe SPE e 2K RRS 16v 1608 sizs For EMI 130 M R372 gt COMPI Pr soc ARC Call It gt HDMI ARC OPT AV1_R_IN AAG It gt avi R IN SOC COMP1 Pr p e MPl Pr R303 C385 82 R309 R329 0339 0343 20306 7 Lo R353 9218 100K DsUB HKSYNC DD OPT DO DSUB_HSYNC_SOC or 10025 27pF Ir 75 10pF 2330 R323 470K 560p p 5 48VTO5 76V 50V gt E 3 22 R326 OPT 50V 50V FOR EMI 50V 1 50V 5pF OK 3 SES OPT 2D307 50V OPT
48. 3 2D 3D_CTL RCON AUO_2D 3D_CTRL RCOP lt RCIN RCIP I RC2N RC2P I I RC3P RCA RCAP GND RDOP RDIN RDIP RD2N RD2P GND LG ELECTRONICS TXCON TXCOP TXC1N TXC1P TXC2N TXC2P TXCCLKN TXCCLKP TXC3N TXC3P TXCAN TXC4P TXDON TXDOP TXDIN TXDIP TXD2N TXD2P TXDCLKN TXDCLKP TXD3N TXD3P TXD4N TXD4P MODEL BLULK BKT E EA LGE Internal Use Only r LOCAL DIMMING To LED DRIVER P7600 3 3V_NORMAL A 12507WR 08L L DIM_OUT RIBS 10K MES AR7600 0 Eeer 33 S TM 1 1 6 W s le en gt L DIMO SCLK E LIDIMO MOSI 9 2C SCL1 9 L DIM OUT WEN o R7606 33 er L DIM_OUT 4 7K L DIM_OUT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET manda wen a mu ee ns d uc a YT O LG ELECTRONICS BLOCK SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes DATE THIS IS RE
49. 3 5 pa Inverter Module ther Exchange Module itself 1 A 4 5 Exchange Module itself 2 A 5 5 Continue to the next page NO b b k b k k k ZA mu Standard Repair Process me A Video error am LCD TV m on emp goes First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable c A1 c AA No video ormal Y Check Back Light Y Check Power Board ormal Y Replace T con Board Normal audio audio On with naked eye 12v 3 5v etc voltage or module And Adjust VCOM N N Ge A28 N Move to No cA Check Power Board 24v output Repair Power Board video No audio or parts Replace Inverter or module Repair Power Board or parts X Precaution A7 amp A3 Always check amp record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Standard Repair Process Error A Video error Parabl bed mona LCD TV Men iudicia Revised date an A4 Check various voltages of Power Board 3 5V 12V 20V or 24V Check and replace MAIN B D No Video No audio Replace Power Board and repair parts Standard Repair Process Error A Picture Problem oe mora symptom gt AG By using Digital signal level meter By using Diagnostics menu on OSD Check RF Signal level Menu Set up Suppo
50. 4_JACK AJ5 AR2 CH2 TP315 e AVDD33 HDMI 3 RX HDMI 3 RX 1B 17 7 dl AVSS12 LVDS 2 BOCLKP LO TXACLKP CI ADDR 4 AG5 AP1 0304 0307 AB30 HDMI 3 RX 2 EE QL Ra EE aps AVSS12_LvDs_1 BO2N E gt TXA2N CI_ADDR 5 nnd s lt D2 HDMI4 JACK AFS 2 E TP317 0 1uF L 0 1uF 0630 AVYSS33 HDMI_RX_1 HDMI_3_RX_2B 5333 ans AVSS12_VPLL 2022 E O TXA2P CI ADDR 6 7 ar31 PRA HOME BR 2 HDMI_3_RX_C P33 I ck _HDMI4_JACK avss33_LVDSB B01N gt DD TXA1N CI_ADDR 7 2e A32 AVSS33_HDMI_RX_3 HDMI_3_RX_CB CI CRs RDMEASOAGK An AVSSS3 LVDSA 8012 AN LO TXA1P CHI CI ADDRIS SE RES x AM3 AVSS33_HDMI_RX_4 BOON gt TXAON CI_ADDR 9 12320 AGT AMA TP321 36 REXT_VPLL BOOP LO TXAOP MT5369_MCLKI DO CI_ADDR 10 USB_DP3 3 USB DP PO E MT5369 MIVAL ERR DO 4 CI ADDR 11 12322 M d AT6 TP323 USB_DM3 USB DM PO A BE4N LL TXBAN MT5369_MISTRT L 2 CI_ADDR 12 s AU6 BE TP324 D36 E BE4P ES LO TXB4P CI ADDR 13 USB DP2 USB DP P1 2 T s TP325 USB_DM2 DS Dee BEN ars EE A EE Sn 78326 DM DM BE3P gt TXB3P Port was changed APS MT5369 TS OUT 0 7 TP327 AT13 BECLEN E LO TXBCLKN BU HP OUT E E auis PSB DP_P2 f BECLKP e LO TXBCLKP 1 2K 4 R351 1 2K R369 TERRA WIFI_DM USB_DM_P2 ATA gt HP_ROUT_MAIN 72329 DM BE2N 5 TXB2N 1 2R R352 1 2R R370 MT5369_TS_OUT 0 204 a CH6 D DHP LOUT MAIN TP330 ATTA SC R IN soc DDO BERE va gt TXB2P up out L C377 C383 HP OUT 0390 C395 MT5369 TS
51. 5S 02 S 30v Y pe RPL ESD_MTK OET OPT E Zeg e e P DSUB HSYNC D3622 n 23616 e E R5L 30v OPT dL CPT RGB_DEBUG R3602 lt 100 DSUB_B gt soc RX RGB DEBUG I pe PC AUDIO 100 SOC_TX R3600 D3600 JK3601 0 T 20V R3601 D3601 KJA PH 0 0177 NON_RGB_DEBUG OPT 0 20V NON_RGB_DEBUG OPT FS 9 e J PC L IN DSUB G 3 3V NORMAL D3611 5 6V T R3646 OPT E 10K 5 6v T gt DSUB DET 1L e PCR IN 5 6V gt DSUB R I OPT D3612 x E mn iY p3612 1 J OD ESD MTK T 5 6V ci I THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANI FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC MODEL ene DATE LGElectronics OG ELECTRONICS BLOCK GHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANI FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes
52. 6 gt H14 C6 814 mu r c6 H14 c6 H EMMC_VCCO 3 3V_EMMC gt J M J M4 J M4 J 22 T U 22 N N J N j 23 23 Si EE 23 33 23 33 25 J12 25 Jue U 0 P5 J12 P5 J A De 3 d 3 v 213 213 2 e E D gt d E 08105 C8106 ET dl E J13 gt Jj a a a a a a 8 ea O LUF 2 2uF U J14 J s e i 16V 10v E6 E6 2 4 z m EMMC_RESET_BALL E6 K E6 o 5 ca H 2 F5 d 2 1 ai F K F E N 3 310 K3 H J K3 J 2 K9 2 K9 H 2 e e Z K9 K12 K9 A 3 Z 2 K13 U EMMC VDDI Ki 4 4 A c2 c2 a ur e 0 ep gt c2 L 02 D 08104 H L2 0 1uF rs L3 5 0 16V E7 L12 E7 L12 e A A E7 Z 112 ca gt G5 L13 G5 L13 e Fr G5 L13 E7 de 810 0 L14 H10 Fr L14 vs gt E H L G K8 K8 e O K8 M H10 U 08102 08103 c4 2 c4 2 d E M am O LUE mmm UE N2 3 N2 3 16v 10V N2 M3 N2 N5 7 N5 7 E E E N M N pa 8 pa 8 e E A P4 M8 P4 P 9 P 9 E e P6 M9 P6 10 A 10 T M M 11 11 M11 11 12 32 C c M12 12 Al e 13 Al 13 c c DAT3 c ci c Al X M13 A1 13 A2 14 A2 T 2d 14 Gl le EA E DATA c c 2 C A2 M14 A2 14 A8 1 A8 1 c_2 ER E EJ C i c_5 c A9 3 A9 SS 3 cs c c_5 C Cc 6 C A9 Mu 3 A9 3 A10 6 A10 6 Ce C 06 c c EMMC_CMD_BALL es c 7 c A10 6 A10 6 A E 7 A KN m 7 GT C Ce C c cs c A11 Se N7 All 7 212 8 212 8 c_8 c c_8 c c c_9 c A12 sl N8 A12 8 A13 9 A13 9 c_9 c c_9 c 0 c C 10 c A13 N9 A13 9 A14 10 A14 F 10 c 10
53. 8 o AP37 SE KC dera 0399 Y 0400 MT5369_TS_IN 1 1P347 0 1ur T w30 PHY LED AINS L AADC 0397 1200pF 1200pF 3 e AR35 SE AG30 1200pF P P MT5369 TS IN 2 4 AVSS12_PCIE11 AIN6_R_AADC AVDD33_DAC 1208pr Pas AD15 24K R315 m Abc 6 R7 2 i AES MT5369 TS IN 3 39325 L T 1 2V MIR AVDD AIN6_L_AADC AVDD33 DACI A DAC_3V3 MT5369_TS_IN 4 eg E PCIE11_REFCKN A M TS w37 T AD14 VDD3V3 A K i AK30 MT5369_TS_IN 5 PCIE11_REFCKP AVDD12_REC 2353 VDD3V3 usd mao 0 Eo aaah OO SPDIF OUT P LACE AT J amp S IDE _TS_IN 5 TP351 To luF n El AE30 ees dup MT5369_TS_IN 6 1P352 1u 8 01u N TN APIS AL31 EHS is gt ARC MT5369_TS_IN 7 ase iin AD17 E TUNER SIFL gt c305 0362 moog AVDD33 AADC va L300 3 0328 J Y z I II o AVDD33_LD E qur 0 1uF AVSS33_AADC ALIN Po e TEIR DSUB_R SC ID SOC 78354 AL16 o EE ASPDIFO 33 BLM15BD121SN1 C1_CD2 TP355 ss AJ27 Y 0333 AVSS33_LD s VMID_AADC asporri SFT T R322 CI_CD1 TP356 AVSSSSZCOM Te Seen eu AOBCK H gt AUD SCK 75 D301 PCM TORD TP357 AN28 AP11 R367 100 AVSS12_REC SUGSATECHB C352 11 0 01uF SE 1 e ee SE 58 02 015 PCM IOUR Tess AM12 3 PN 5 c312 R339 AOMCLE AUD MASTER CLR PCM RST 78307 2E C358 C363 AM10 R371 100 AUD GREE pale R SE 0 01uF lur AOSDATA4 gt AUD PCM_REG TP308 33pF 50V 25V AOSDATA3 E C387 C389 C393 0396 PCM_CE1 TP309 T C amp AT amp CHB AN11 Don t use as GPIO Ter Tr Lsopr Le s3pr L301 ns ses LS Ge No ix R346 0 T R334 51 AOSDATA2 i16 OPT OPT Je OPT
54. A K North Latin America http aic lgservice com Y d Europe Africa http eic lgservice com Asia Oceania http biz lgservice com e Life s Good LED LCD TV CHASSIS LB22E MODEL 60LM6450 60LM6450 TA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL en P NO MFL67441825 1203 REVOO Printed in Korea CONTENTS CONTENTS eege 2 BARELY PRECAUTIONS moose aen CHIEN SE 3 SERVICING PREGCAUTIONS pd e hh Ga UN s 4 SPECIFICATION WE 6 ADJUSTMENT INSTRUCTHION coria as 9 So 15 EXPLODED VIEW nai 16 SCHEMATIC CIRCUIT DIAGRAM naa ann nenen nese rene sere nete eren ee eee nenes Copyright O 2012 LG Electronics Inc All rights reserved SE LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance 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
55. COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics DATE CERS SET TSHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Zigpee Radio Pulse M REMOTE OPTION en e ss SS 3 3V NORMAL 24800 A 12507WR 08L 14800 M_REMOTE 120 ohm M_REMOTE ARA 8 0 0 e Sn 100 9 idend e 1 1 6W py M REMOTE RX a M_REMOTE_TX e M RFModule RESET M_RFModule_ISP 3D_SYNC_RF M_REMOTE 3D_SYNC_RF Only For PDP ALL M REMOTE OPTION om e a a a a a a a a a a a a a a a a a a a os e emm emm emm emm emm e emm emm emm emm emm en nn nn THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET EE e O YT O LG ELECTRONICS BLOCK Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL DATE Ethernet Block LAN_JACK_POWER A 0 0 e C5000 05001 05002 65003 0 1uF S0 01ur 0 1uF Z0 01uF 16V 50V 16V 50V JK5000 XRJH
56. DDRV_34 ES as BRDO 30 En Gi BRDO 3I A3 G9 DDR_SS DDR_NANYA DDR_HYNIX DDR_HYNIX DDR_NANYA DoR_s5 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC INS A EA SECRET LG ELECTRONICS LOCK HEET LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only FROM LIPS amp POWER B D Se maant oo o PANEL POWER 2 02401 eel Se R2408 7 BLM18SG121TN1D 1 Y 3 RL_ON 10K SET PANEL VCC 2 P2400 A R2401 FW20020 24S 24V H 2 a 10K A c243 S a e e 0 01uF EQ m 9 50V N z Y z L2403 i S CIS21J121 3 d m G o TED 2 m 3 5V ST ta L2402 C2413 Bo Le EN CIS21J121 0 luF E vi e M SN 50V x mo EN IT ec SE re Em om ao z SH Ay t5 n 3 3V NORMAL T 3 o rosa ri H la Redes y L DIMO_VS Kee e REN A 0 1uF POWER 16 VSYNC a gt d E 4 d 16V R2425 E a a 100 INV_CTL x a lt q o e A_DIM PANEL_CTL B 02406 412V 12V MMBT39
57. DEL OPT 10 NO FRC EMMC CLK lose to eMMC Flash IC8100 R174 10K STRAPPING LED PWMO LED PNM1 OPCTRL3 ICE mode 27M Serial boot 0 0 ICE mode 27M ROM to Nand boot ICE mode from eMMC 27M Rom to eMMC boot pins share pins w s NAND ICE mode from SDIO 27M ROM to eMMC boot pins Soc internal FRC LG FRC2 Reserved MODEL_OPT_O 0 MODEL OPT 1 0 HIGH LOW MODEL OPT 2 FHD HD MODEL OPT 3 OPTIC NON OPTIC MODEL OPT 4 3D DEPT H 3D_Depth_IC NON_3D_Depth_IC MODEL_OPT_5 DDR DDR_768MB DDR_Default ODEL_OPT_6 CP BOX Enable Disable ODEL_OPT_7 T2 Tuner Support Not Support ODEL_OPT_8 S Tuner Support Not Support ODEL_OPT_9 Reserved Default ODEL_OPT_10 EPI MODEL OPTION 8 is just for CP Support Box It should not be appiled at MP Not Support MIS369 RM IC105 1 LGE2112 AL MT5369 MIVAL ERR CI MT5369_ CI_DATA 0 7 USB_OCD2 USB OCD1 USB OCD3 USB CTL USB CTL1 USB CTL3 SB DE MDS62110213 MTK_H S HEA S M100 Siet SE MTK_H S_ M101 MTK_H S_ NK SM MDS62110213 M102 MTK_H S D GASKET ST OSH M103 MDS62110213 MTK_H S uh M104 LG ELECTRONICS CI_ADDR 0 14 lt SOC
58. DVSS 20 DVSS 38 DVSS 54 DVSS 108 DVSS 95 DVSS 44 DVSS 46 DVSS 56 DVSS 120 DVSS 130 DVSS 43 DVSS 77 DVSS 97 DVSS 13 DVSS 12 DVSS 22 DVSS 28 DVSS 39 DVSS 57 DVSS 68 DVSS 78 DVSS 87 DVSS 99 DVSS 112 DVSS 122 DVSS 132 DVSS 34 DVSS 58 DVSS 69 DVSS 79 DVSS 88 DVSS 100 DVSS 113 DVSS 123 DVSS 133 DVSS 59 DVSS 70 DVSS 80 DVSS 89 DVSS 114 DVSS 71 DVSS 90 DVSS 115 DVSS 72 DVSS 91 DVSS 116 DVSS 101 DVSS 124 DVSS 134 DVSS 60 DVSS 131 DVSS 35 DVSS 36 DVSS 40 DVSS 41 DVSS 42 DVSS 55 DVSS 62 DVSS 73 DVSS_83 DVSS_92 DVSS_104 DVSS_117 DVSS_127 DVSS_137 DVSS_29 DVSS_63 DVSS_74 DVSS_84 DVSS_93 DVSS_105 DVSS_118 DVSS_128 DVSS_138 DVSS_64 DVSS_75 DVSS_85 DVSS_94 DVSS_106 DVSS 119 DVSS 129 DVSS 139 DVSS_65 DVSS 76 DVSS_86 DVSS_140 DVSS_96 DVSS_30 DVSS_27 DVSS_109 DVSS_17 DVSS_25 DVSS_45 DVSS_66 DVSS_7 DVSS_14 DVSS_8 DVSS_18 DVSS_26 DVSS_33 DVSS_136 DVSS_126 DVSS_49 DVSS_103 DVSS_82 DVSS_61 DVSS_110 DVSS_135 DVSS_125 DVSS_102 DVSS_81 DVSS 121 DVSS 47 DVSS_67 DVSS_98 DVSS 111 DVSS 11 DVSS 21 R6 R20 T20 U20 V20 W20 Y20 AA20 AB20 G16 R21 T21 U21 MET w21 2 1 AA21 AB21 R22 R22 U22 V22 W22 Y22 AA22 AB22 GER T23 U23 AB23 W6 G17 F25 Y6 E21 F21 L8 TI D11 E11 D12 E22 F22 G25 AB19 AA19 P22 W19 U19 R19 YT AB18 AA18 W18 U18 AAT N22 T8 ws Y8 E7 F8 DEC 1 2V_MTK_CORE AP FOR SOC BOT
59. Device V Exit ISP tt All Chip C File Area I I C Erase Area i C Partial Erase L Elapsed Time USB 390KHz LGE Internal Use Only USB DOWNLOAD enk file download 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory dh TV Software Upgrade Expert Copy the file from the Memory Do not remove the USB from the port Do not unplug 4 Updating is starting TV Software Upgrade E TV Software Upgrade COMPLETED nn The TV will restart automatically in seconds UPGRADING A Do aat unplug 5 Updating Completed The TV will restart automatically 6 If your TV 16 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 10 this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number 3 1 ADC Process Enter Service Mode by pushing ADJ key Enter ADC mode by pushing
60. ES el GCLK SOC GCLK 1 1868 SES B See 1 16W OPT GMA4 EPI Locke SOURCE FROM SOC R7723 ena C7744 07749 40V 100 MMBT3904 NXP GMA3 C7720 1 16W 1 16w luF luF B 15pF OPT 50V 50V GMA1 50V Mrz E VGH A VAN ke FL8S050HA1 P7703 DEV 50WAFER SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes WHEN SERVICING IF 15 SECRET LGElectronics LG ELECTRONICS LOCK HEET LGE Internal Use Only eMMC I F EMMC_VCCO N EMMC DATA LINE 47K PULL UP 000 0 00 o MM Io mM bo o bo e pel des Le cp a ps Ee PS SST Y nm
61. ESET SOC OPCTRL 0 SDA R124 33 AMP RESET BY SOC R100 10R gt AMP RESET N AMP RESET BY SOC LOCK BHBET 97 3 LGE Internal Use Only 1608 sizs For EMI C319
62. F J R1500 2D 3D_CTL R7100 33 aa en en e LGD_2D 3D_CTRL LVDS_SEL R7105 33 126 SDA1 3 3V_NORMAL CP_BOX R7106 33 J 120 scii AUO 65 MIRROR CP BOX R7101 3 3K LVDS_SEL LVDS_SEL_HIGH M e R7107 33 PWM_DIM1 R7102 C LGD 32 37 LVDS PWM 10K LVDS_SEL_LOW L DIM_ENABLE R7108 33 OPC_EN GND LGD_32 37_LVDS_OPC d EEN TXAON TXAOP TXAIN TXAIP TXA2N TXA2P e KN TXACLKN KP TXACLKP TXA3 TXA3P TXA4 TXA4P e es a BIT_SEL 1 BIT SEL N RBON TXBON R7103 RBOP 10K K ITXBOP BIT SEL LOW RBIN TXBIN RB1P Ree e em lt TXB1P RB2N TXB2N RB2P lt TXB2P GND e RBCLKN TXBCLKN KP TXBCLKP e TXB3 TXB3P TXB4 TXB4P e e hd PANEL VCC e e 3 L7100 BLM18SG121TN1D LVDS_51PIN o C7100 C7101 67302 10ur 1000PF Ze 0 LUF 16v 50V 50V OPT OPT OPT e e pP ap P GB GB GB a GB GB al al al al al GB a GB GB GB GB al GB GB GB al GB a GB GB GB GB GB al GB GB GB aja al al GB GB a GB GB GB D IC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR TH n u I CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics PU R7104 Connector 3
63. FCA A_RVREF2 A VREFCA ao E ARATI ARA 1 P7 ad A y A_RVREF1 Al fp ARAIZ ARA 2 P3 PRERA A_RVREF1 Lc7i3 PROA A2 i T R706 meg 1uF i A3 VREFDO H TE MN VREFDQ as Fo ARATA ARA 4 P8 2 T A4 CLIT Ds 428 R710 240 AS Fos ARATGI ARA 6 R8 L8 Si 41 5V DDR R707 A6 ARA 7 ba As IK era kj 1 5V_DDR Z 0 1uF UN A7 T ARAT8 ARA 8 T8 pe A AS lRa ARATS ARA 9 R3 B2 A9 ARA 10 17 D9 Sage 0745 0751 0753 0755 0757 0702 LO oa SSC ARA 11 g 210 AP 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF ng 1 5V DDR RI All A All d K2 B A12 BC A12 BC ga A RVREF3 Lera EEN A13 Lo A RVREF4 C715 A13 N1 Ze A R108 0 1uF ds M7 N9 1 A15 A15 A M2 R9 M2 axxo ARBAO 0734 R709 N8 ARBAT N8 0 1uF IK c716 ARBAL ARCLK1 M3 2 ae 0 1uF M3 P ARBA2 di EH ABBA ARCLKO Al 37 A8 Es R712 190 Kr et K7 100 12 KS i ARCKE E E ARCKE D2 L2 ARCLKO ARCLK1 LD L2 E9 IC105 3 ARCS BROS KI FI LGE2112 K ARODT p ARODT ARAS J3 H2 1 5V DDR 1c701 1 PE ARRAS E E K3 H9 A NT5CB128M16BP DI ARCAS 1C703 1 SE ARCAS L3 NTSCB128M168P DI A EC we Aci c19 L3 H ARWE gt K4B2G1646C HCKO DDRV_44 ARDQMO CO ARDOMO ARWE J1 AC2 Col T2 J9 a A3 DDRV_45 ARDOSO BZ gt ARDOSO T2 E 2 DOS 8 ARDQ 0 7 ARREST ARREST EH na PPR ARDOSO E gt ARDQSO m 7 n ca PP8v 5 ARDQ 7 Gg F3 Edge ARDOS2 s ARA 14 5 Da PPRV_8 ARDO2 Ges 63 G ARDOSO ARDQS2 53 DPRV_10 ARDO3 ees 35 Si cs PP8v 4 28004 E gi ARDQS1 ARDQS3 Se S
64. FE A4 A3 VREFD R725 33 P2 BRA 5 BRA 4 pe 9 ik dLe740 La BRDO12 cT R703 Er R711 AS Fog BRA 6 BRA 5 pa per 0 LuF BRA 0 14 BRWE CI BRDO13 E 1K C A5 S 1 1uF 1 5V_DDR ae R2 BRA 7 BRA 6 n8 L8 B 1 5V_DDR BRA 14 L5 BRDO14 D2 E NE E A6 E ne N AT BRA 8 BRA 7 R2 1 5V_DDR A BRATT3 m BRDQ15 E E 8 a5 BRA 9 BRA 8 T8 BRAT12 mE yi as p BRA 10 BRAI9 ns B2 1 5V_DDR RVREF_D a2 20743 BRATITI NS BRDOM2 gt BRDQM2 BRDQ 16 23 GER A10 AP a BRA 11 BRA 10 47 2 En A IK 0 1uF BRATION EX BRDOS2 es gt BRDQS2 A10 AP ERDOS 8 All p r BRATION BRA 11 R7 ci P BRATS M BRDQS2 En 9 BRDQS2 a12 BC gt BRAL BRATION All Se 137 7 BRDQ16 B_RVREF6 T3 EE N7 K2 A R722 ZZ BRA 8 L6 AB4 te 711 A13 BRA 13 73 212 30 iK E R729 7 BRDQ17 ROL moter E qs ES 1 IK BESSER BEARES L3 P2 15 NE E N1 i 1 me 1 BRATET na BRDO18 Tanz A15 M7 N9 BRA S FE BRDQIS E A15 R723 BRDQ20 d M2 i R1 1K c738 BRATS N6 ABL IK 712 N8 DCH M2 R9 13 0 1uF BRA 3 N2 BRDQ21 E 18 0 1uF BRBA1 BRBAO il L VEM M3 N8 BRATZ BRDQ22 BRBA2 BRBA1 M1 AB2 BRCLKO M3 BRATIJ BRDQ23 H E BRBA2 NS 31 s BRCLK1 Al BRATO K6 ul P 100 Ee 37 A8 BRDOM3 FE BRDQM3 5 ET BRDQS3 LO BRDQS3 K9 g K7 ci e5 wa BRCKE 5 E ED 1 5V DDR BRDOS3 DS BRDOS3 BRDQ 24 31 A AA3 is BRCLKO BROKE D2 BRDQ24 BRCS 1 ES u BRCLK1 2 DDRV_11 BRDQ25 K1 L E9 E
65. Fi SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC KURSE Close to the tuner MODEL DATE ti SECRET BLOCK GHEET LGE Internal Use Only LG ELELTRONILS Ti LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes FOR COMMERCIAL 12V OUT Ro uc 9 PIN OPT COMMER_EXT_12V R7001 100 IC7000 MP5000DQ SND E 3 57 ST Too A 470pF U DV DT E_4 T sov FOR COMMERCIAL AUDIO OUT 12V COMMERCIAL OUT R7000 A R7006 OPT COMMER EXT AMP IK ENABLE FAUL E_3 10K COMMERCIAL 12V CTL L7000 BLM18PG121SN1D FOR 12V CONTROL FROM MICOM I LIMIT E 2 AR e e SS 12V EXT PWR DET P7000 12507WR 12L STE ee 24V 22uF eH A NS El 25V id 17001 BLM18PG121SN1D I A MMBT3904 NXP S C7005 O luF 50V OT C7002 E UE pp 25V 25V AUDIO_L_OUT_COMMERCIAL AUDIO_R_OUT_COMMERCIAL
66. HDMI 3 PHR5V HDMI 1 Rx eege CK HDMI3 JACK De A28 Rees ee AL2 e x E 028 AK3 AG32 DR a PMIC_RESET Das TCON8 AECLKN ees C TXDCLRN HDMI_HPD_2_JACK lt BESS HDMI_O_HPD BEGE 2D 3D_CTL O TCON9 AECLKP l TOO TXDCLKP EE ac32 ek HDMI_2_RX_0 1334 fd DE MODEL_OPT_2 E TCON10 AE2N 233 gt TXD2N HDMI_HPD_1_soc CI SS EDMT 22HBD HDMI 2 RX 0B ESER BEEN PCM 5V CTL CI E23 TCON11 AE2P gt TXD2P lt Dis HDMI1 SOC 229 AJ1 1 2V_MTK_AVDD HDMI BER A JACR HDMI_3_HPD HDMI_2_RX_1 AA34 T T EMMC_RST CI TCON12 AEIN 5 9 TXD1N 4 HDMI 2 RX 7 7 D1 _HDMI1_SOC 1 2V_MTK_AVDD AE1P 2n CD TXD1P e AVDD12_HDMI_0_RX HDMI_2_RX_2 D2 _HDMI1_SOC AS tT St Y24 D miim 6 55 aas6 EX AEON Pana LD TXDON C303 0306 wag AVDD12_HDMI_1_Rx HDMI_2_RX_2B 5 Kl D2 HDMI1 soc AEOP l CO TXDOP Ee Roza AVDDIZ HDMI 2 RX HDMI 2 eege CK HDMI1 SOC aC avopi2 vos f e S C350 3 AJ6 ud AT2 0 14 AVDD12 HDMI 3 RX HDMI 2 RX CB Kl CK _HDMI1_soc C354 3 OS TERAN CI_ADDR 0 14 0 1uF 0 1uF VDD3V3 are AVDDIZ LVDS 2 Boan 177 2 CH3 AB29 AK35 cA age AVDDIZ VPLL Bo4P E LO TXA4P CI ADDR 0 7 DO _HDMI4_JACK 2 ATI T 78312 EE AAD 2VDD33_HDMI_0_RX HDMI_3_RX_0 ici o L een AVDD33 LVDSB Bo3n een DD TXA3N CI_ADDR 1 22313 AVDD33 HDMI 1 RX HDMI 3 RX 0B Sei IZ 2 2 Y29 Fer RER AJ35 i A 0347 e AVDD33 LVDSA BO3P E LO TXA3P CI_ADDR 2 5 AVDD33 HDMI 2 RX HDMI 3 RX 1 5d D1 _HDMI4_JACK lur BOCLKN Fr gt TXACLKN CI_ADDR 3 BEE AG29 3 Ay CI D1 _HDMI
67. K 2 2uE OPT R6105 OPT 4 7K Close to the IC C6100 luF 10V INL HPVDD 10V ATE HP LOUT MAIN gt LI 0 cadi GARE R6107 i Q6100 1K E A 1C6100 06109 MMBT3904 NXP RIEU Se TPA6132A2 PEND AA i e From Micom C6103 luF 10V INR CPN HP_ROUT_MAIN T EAN60724701 o SM R6102 an 4 7K P OPT e e A o Ei ers ROLOS gt HP ROUT AMP 2 4 7K ul 66106 22 UE en 10V THE AN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES A AN Tr MODEL DATE ESSENTIAL THAT ONLY MANUFATURES pg PARTS BE use sor FTE BLG ELECTRONICS BLOCK SHEET E Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 2011 09 29 T C S amp H NIM T2 C TUNER EU CHINA A
68. K_JTAG P100 12507NS 12L R152 IK JTRST CJ JTDI lt JTMS lt JTCLKC R143 33 JTDO MTK_JTAG R144 10K MTK_JTAG 3 ORMAL R149 10K MTK_JTAG R145 10K R147 1K OPT R148 1K 3 3V_NORMAL A 1K 1 R153 K OPT gt LED_PWMO R151 OPT gt LED_PWM1 e 1 gt OPCTRL3 R154 K T C 3 3V NORMAL 2 34 AMP L D oe MM 20 2 2C 3 2C 4 2C 5 T CON MICOM oe oe NVRAM S Demod T2 LNB Demod 2C 6 R128 1 2K R131 1 2K R134 2 7K E R13 2 9 K R142 2 7K R173 2 7K R185 2 7K R188 2 7K R156 2 7K R160 2 7K R164 2 7K R177 2 7K TUNER_MOPLL T C ATV STB_SCL gt I2C SCL1 STB_SDA Po I2C SDA1 OPCTRL 11 SCL F 20 6002 OPCTRL_10_SDA In 2C_SDA2 OSCL1 2C SCL3 OSDA1 OSCL2 2C_SDA3 el 2C_SCL4 OSDA2 2C SDA4 OSCLO OSDAO 2C_SCL5 R121 4133 R1 D Lo 2C SDA5 OPCTRL 1 SCL gt I2C SCL6 OPCTRL 0 SDA R123 ANM I2C SDA6 NG HDCP KI 3 3V NORMAL Model Option
69. MDS62110209 SMD_GASKIT_8 5T_COMP COMP M502 z E ja LD El E u MX 0 S lt LD e x a un N a d I H HDMI1 2 N zi q e ei ol 7 un o E amp wol o ig g a SMD_GASKIT_12 5T_USB1 m m u P E 19 HDMI2 3 N A A E S H ES A u old zl a A 3 n USB1 2 M505 G un UJ LA M506 MDS62110217 SMD_GASKIT_12 5T_HDMI1 oq je LG ELECTRONICS IC105 LGE2112 1 2V_MTK_CORE A R7 4 U7 GH U klas la pa jo ip ip tp pp pp ip Ie ip ip gt PID DP D alnjalajuojnp njajajlojepejejejesjejesjejejejsjolojanjanjalocolco We gt a On V23 W23 K AA23 AC22 1 2V_MTK_CORE AC23 AD24 P23 R24 T24 AC24 AC21 P20 AC20 PAO AC18 P18 AC17 EM AD18 AD23 ALY VDD3V3 gt AK10 AK9 AK11 H29 J29 H30 J30 G31 G32 R33 E34 DECAP FOR SOC 1 2V_MTK_CORE DDEN HI UCC on de luF le a 527 er 0 1uF 1 5V_DDR C508 0 1uF 523 0 1uF uele MODEL NI J e HE Eech ec H EK gt W gt s x a ale lt a nle lt aloelalo IC105 LGE2112 DVSS 51 DVSS 52 DVSS 37 DVSS 53 DVSS 107
70. Main B D e Replace module contact A N condition Check error color input mode External Input Component Ge A12 Check device and Replace Main B D cable Check Test pattern RGB HDMI DVI error Check external device and i Replace Main B D cable Standard Repair Process 9 13 i Established A Video error Fstgbished zwa symptom Vertical Horizontal bar residual image Revised dale light spot external device color error Vertical Horizontal bar residual image light spot Replace Module AS Ge A10 A11 External Input Component device AT Replace Main B D connection Cable adjust VCOM RGB condition HDMI DVI For LGD panel Replace Request repair Replace Main B D SA12 module for external device For other panel Check Test pattern External device screen error Color error Check screen condition by input External Input Component RGB HDMI DVI Connect other external device and cable Check normal operation of Replace External Inout Component Main B D RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Omponent error K RGB Connect other external error device and cable So un eo i xternal Input Component RGB and HDMI DVI by Main B D connecting Jig pattern Generator Set top Box etc ab Standard Repair Process Established B eS error E UNE D symptom ymp
71. No RO Revised date date 6 13 gt A17 Check Power LED Stand By Red Check Power cord was inserted properly Y DC Povver on Replace 5H by pressing Power Key ae On ene Power On Remote control i i 19 B D Operating white Check ST BY 3 5V Replace Power B D Standard Repair Process Established B Power error EC EET Off when on off while viewing power auto on off Revised date 7 13 symptom y Check outlet Ge A22 N Check A C cord Check Power Off Mode Y Replace Main B D oma Ena N Replace Power B D Check for all 3 phase power out Fix A C cord amp Outlet gt A19 ids a each 3 If Power Off mode is prase pu not displayed orma Y Check Power B D oltage Replace Main B D voltage N x Caution Check and fix exterior of Power B D Part REES Please refer to the all cases which Power off List Explanation can be displayed on power off mode POWEROFF REMOTEKEY Power off by REMOTE CONTROL POWEROFF OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF Normal Standard Repair Process Established cro C Audio error 2010 12 14 Revised date ayy 8 13 symptom No audio Normal video i A25 A24 Check user No audio Screen normal pea Speaker off N Check audio B 24V Y of Power Board orma voltage dt
72. OC TP374 Close to MT5369 AU28 0 01uFp qC371 100 R361 como SCART Lout SOC TP375 HP OUT AP31 AT28 0 01uFffc372 100 R362 L For PCB Pattern PBOP pals AN30 AR28 0 01uF c373 100 R363 BLM18PG121SN1D PROP PCM 5V CTL 1P377 A AP27 0 01uF C374 100 R364 SG DET baya HP_LOUT_AMP HP_LOUT ES Yo lies eelere COMP1_Pb_SOC OSCL2 CI SOYO u Comp 1_pr_soc HP_OUT 3 v34 i OSDA OPT COMP1 Y SOC C332 AU30 0 R349 bes VDACX OUT Qm ge AE es 0 22uF AP28 3 AP29 0 R350 i ge VDACY_OUT gt DTV MNT_V_OUT_SOC AR29 SC_CVBS_IN_SOC 3830 VDD3V3 AVDD33 VDAC BG AT30 2021 t AVDD33_VDAC oe ESPESER E R341 100 C360440 047uF 2830 x AV1 CVBS IN SOC gt CVBS2P Ea R340 100 EEE rur AR31 AD19 TU CVBS S AVDDI2 RGB 2029 JSYBSIP 1 2V_MTK_AVDD H CVBSOP HP_OUT 0361 luF AP30 L302 al It CVBS_COM S BLM18PG121SN1D VDD3V3 AVSS33 VDAC BG Lo TEN A AK24 AJ21 AVDD33_CVBS_1 AVSS12_RGB Dou AK25 AL24 AVDD33_CVBS_2 AVSS33 VDAC AL25 AVSS33_CVBS_1 E AM26 AVSS33 CVBS 2 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INC ORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICI ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NG IF IS THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG
73. OMMERCIAL_IR_EU A 3 5V ST s A COMMERCIAL_IR e R4115 R4105 22 IR_OUT lt COMMERCIAL_IR MMBT COMMERC COMMERCIAL IR EB 3K R4111 04102 10K 3904 NXP e IAL IR EU R4119 47K 04104 COMMERCIAL_IR MMBT3904 NXP COMMERCIAL IR quim R4108 0 COMMERCIAL_IR_US 3 5V_ST IR KEY i RGB Sensor EEPROM SCL R4123 100 R4117 R4118 gt e 10K TOK D4105 ne S L DUC 208 02 0101 ov OPT COMMERCIAL 5V_ST a SCH KEY1 lt gt RAT24 uq EEPROM SDA 100 COMMERCIAL IR 3 57 ST 100 wes e es R4101 e e E L D4106 A KEY2 lt AMOTECH CO P L C410 C4102 ADUC 20S 02 010L 0 COMMERCIAL IR ee OPT 20V IR lt e e R4103 3 5V_ST D4100 OPT 3 3K A 5 6V R4102 AMOTECH CO ITD e 04100 10K aa107 gt TR BYPASS 3 5V_ST OPT 0 MMBT3904 NXP e e COMMERCIAL_IR COMMERCIAL_IR R4104 0 A e L4100 BLM18PG121SN1D 04101 MMBT3904 NXP COMMERCIAL_IR 9 COMMERCIAL IR 4 o R4125 1 5K Gj CO 00pF LED_B GP4_LED_R T 50V es R4100 0 e e e es IR BYPASS El Dal L OPT p COMMERCIAL 3 5V 5T 50V AMOTECH CO LTD Soft Touch Micom D L Zener Diode is close to wafe I GP4 IR 10P P4102 12507WR 10L THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE
74. OUT 1 VDD3V3 Re Aura USB DPP3 GOL IN SOC BEIN f E CO TXB1N 1200pF 1200pF i 1200pF 1200pF MT5369 TS OUT 2 A E s DI ARA ts USB_DM1 USB_DM_P3 Be EN En Orio CHS HP_OUT HP_OUT HP_OUT HP_OUT DEER 78332 BEON a LO TXBON MI5369 TS OUT 4 S D35 Ve AR3 CHA LO scaRT_Rout_soc L5 78334 aris E LE For PCB Pattern BEOP gt TXBOP DS SCART Lout soc MT5369 TS OUT 5 AVDD33 USB P2P3 _Lout_s CI DATA 0 7 175369 PRCOUTTS 72335 0302 AU37 AN35 TP336 1 AINO_R_AADC ARO_ADAC MT5369_TS_0UT 7 0 1uF SEN deg Ei AU35 AN34 gt AUDIO R OUT COMMERCIAL TP337 AVSS33_USB_ AINO_L_AADC ALO_ADAC CI_DATA 0 avss33 Has P2 R311 30K AT35 gt AUDIO L OUT COMMERCIAL TP338 AVSS33 USB PC R IN SOC AIN1_R_AADC CI DATA 1 R310 30K AT37 E AM32 TP339 I PC L IN SOC AIN1_L_AADC AR1_ADAC w35 T AT18 See _L_IN_ NEF Ll E AU CI DATA 2 eer yaa PCTE1L1_TXP auis 34 AEN2_R_AADC ALI ADAC CI DATA 3 CP c za PCTELL_TXN TXVN_0 EPEY TDN AIN2_L_AADC CI_DATA 4 I X24 pcrz11_RXN R338 0 AT36 DEA AN TP342 Y35 AULT AV1_R_IN_SOC AIN3_R_AADC AR2_ADAC CI_DATA 5 PCIEL1_RXP RXVN_1 EPHY_RDN R337 8 ARAT AM TP343 VDD3V3 c316 AT17 AV1 L IN Soc ARS AIN3_L_AADC AL2_ADAC CI_DATA 6 3 0 1uF U24 RXVP_1 nr AIN4_R_AADC CI_DATA 7 ZE AVDD12 PCIE11 AP32 e AM36 1 2 R376 1 2 R378 Sa vaa AN16 y AIN4_L_AADC AR3_ADAC AR36 AM35 1 2 R377 142 R379 MT5369_TS_IN 0 72346 AVDD33_PCIE11 PRYLEDI mig XS RO RTA UADAG C30
75. Q27 R732 een 1ur arpo28 E 4 13 C10 ARDQ29 B7 ARDQ30 8 B10 R733 ARDQ31 iK 0749 ARAIST SiS AVDD3V3_MEMPLL 1uF Net 1 5V_DDR JE Oe BIS N14 3 3V NORMAL AVDD33_MEMPLL N15 AVDD3V3 MEMPLL C718 0720 0722 0724 0726 0728 C705 see ARA 3 B13 Ee 0 1uF o LuF 0 1uF 0 1uF 0 1uF 0 1uF luF iur E e i 3 age ARATZI aia si DVSS 50 C700 ARA 0 14 1 5V_DDR E jen 0721 0723 0725 jm jm s u 0 luF 0 luF 0 luF 0 luF 0 luF 0 Lug luF nus IC105 LGE2112 RVREF_C RVREF_D 213 G2 7 v7 RVREF_C BRDQMO E4 gt BRDQMO RVREF_D BRDQSO E3 gt BRDQSO BRDQSO 2 gt BRDOSO BRDQ 0 7 A BRCLKO lt F3 BRCLKO BRDQO 31 J BRCLKO CI BRCLKO BRDO1 Fe BRDQ2 v4 J2 BRCLK1 lt v3 BRCLK1 BRDQ3 C2 BRCLK1 CI BRCLRI 28004 es BRDQS P6 95 ES 1 5V_DDR PREKE BRDO6 E IC702 4 86 Ee H5TO2G63BFR PBC IC704 Ha D1 H5TQ2G63BFR PBC HEURES 1 5V_DDR RVREF_C ET e741 BRRAS lt __ ES BRDQMI F gt BRDOMI B_RVREF 6 A 4 ER 0 luF BRCAS lt BRDQS1 gt BRDOS1 1 5V_DDR A BRA 0 13 T 13 K3 LE BRDQ 8 15 A ar 2 pm BRCS lt BRDQS1 gt BRDOS1 l VREFCA no HS D BRATUSTSI B_RVREF7 0739 33 3 27 BRA 1 BRA 0 w3 M8 RIZA EE E NI BRDO8 1 B_RVREFS dens B_RVREFS al P s BRATZ BRA 1 pr NREE A Ie R727 BRBAO CI PE BRDO9 ga R702 I E at e 1K c742 3 IK 0 1uF A A2 Fo BRA 3 BRA 2 p3 2 A 1 ee BRBA1 CAI Se BRDQLO ee i RENDO A3 26 BRA 4 BRAL Na H1 BRBA2 CI BRDO11
76. REMOTE KEY 11 POWER OFF_BY_ACDET 12 POWER_OFF_BY_ACDET 13 POWER_OFF_BY_ACDET 14 POWER OFF BY ACDET 15 POWER_OFF_BY_ REMOTE KEY 16 POWER OFF BY REMOTE KEYI 17 POWER OFF BY KEYTIMEOUT 18 POWER OFF BY REMOTE KEY 19 POWER OFF BY REMOTE KEY1 20 POWER OFF BY REMOTE KEY OFF BY REMOTE KEYI F BY REMOTE KEY ON TIMER 24 POWER OFF VA REMOTE KEY 3 38 we nim x 5 HH M FE Si E 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 Standard Repair Process Detail Technical Manual symptom C Audio error_No audio Normal video 2010 12 14 Content Checking method in menu when there is no audio koka MI lt ALL MODELS gt Standard Repair Process Detail Technical Manual LCD TV symptom C Audio error_No audio Normal video when there is no audio date lt ALL MODELS gt 24 Pin Power Board lt Main Board Common SMAW200 H24S YEONHO t 9006 5 9e GNO ES GND sz EEN KN h P ed 2 LED N C m el amon 21 12V 4 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 16 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 t
77. RST DEMOD TSCLK OD TSDATAO OD TSDATA1 OD TSDATA2 OD TSDATA3 OD TSDATA4 DE DE DE DE DE DEMOD_TSDATAS DEMOD_TSDATA6 DEMOD TSDATA7 DEMOD TSSYNC DEMOD TSVAL er CI TSCIK CI TSDATAO CI TSSYNC CI TSVAL PVR TSCLK PVR TSVAL PVR_TSSYNC PVR_TSDATAO PVR_TSDATA SPI_CL SPI_CLK SPI_DATA SPI_C LDM_CS LDM_CLK LDM_VSYNC LDM_DO LDM_DI LED_PWM1 LED_PWMO OPCTRL OPCTRL OPCTR OPCTR PCTR PCTR PCTR PCTR PCTR PCTR PCTR 3 3V_NORMAL AR18 E gt SOC TX AP SOC RX R165 R167 4 7K 4 7 AU16 E M REMOTE RX AT e gt M REMOTE TX A35 gt EMMC CMD c33 Bos EMMC DATA 2 7 D33 D29 EMMC DATA 7 C30 EMMC_DATA 6 D30 EMMC_DATA 5 B31 EMMC_DATA 4 3 3V NORMAL A31 EMMC_DATA 3 EMMC_DATA 2 Bee R157 A32 4 7K C32 OPT D32 zi R178 A EMMC_DATA 1 4 7K 034 OPT EMMC_DATA 0 C29 gt EMMC_CLK AM20 3 3V_NORMAL EE R155 10K AU21 R158 33 R172 OPT IR OPT e lt SOC_RESET D27 R159 4 7K 22 C114 0 1uF AT21 16V gt STB_SCL AR21 Er STB SDA T34 _ PCM_RS
78. Remocon Test i 15 Access Code Eye Q Gain 4478 se gt DB LED AF SMINK IIOOOK Na 0 PES gt D I 712 8 Press the IN START with the remote d WS amp E sal controller for adjustment d 222 Standard Repair Process Detail Technical Manual Error A Video error oe bar residual Established LCD TV symptom image light spo date Revised Content LCD TV connection diagram 1 a 1 lt ALL MODELS gt A8 Standard Repair Process Detail Technical Manual Error symptom lt ALL MODELS gt VETI Ca HOI UL p ee Mr A CHE er s eed 3 Ka r CM CUI el S CG we s ha E nt Za E N s ER i pake A geb o ms DD mu n iE Ari A ASIE ZR Fabi AE d I i Aa F o Es P i B 3 5 win wn CI mn s r M I ai SE mim E ove ta ho E f q E ar x B ee dels w n gt da er Dra EAT d KE EN Ft s fie be et Gel iaia Wem Checking method A Video error_Video error video lag stop ne 20101214 TUNER checking part ibi WE 1 Check the signal strength or check whether the screen is normal when the external device is connected 2 After measuring each voltage from power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual Error Established 20101214 LCD TV SOOO A Video error Color error U o re H LA E
79. S AAA BRODT BRCS DDRV_13 BRDQ26 33 K1 F1 T5 T3 m BRRAS BRODIT DDRV 38 BRDQ27 Ex BRRAS 82 S E 33 BRCAS p K3 H9 us PPRV 42 BRDQ28 ee m 1C702 1 BRWE KABIG16460 HCKO NISGBISOMUGBE DI JE L3 10704 1 PRE gc PDRV 40 BRDQ29 31 NT5CB128M16BP DI K4B2G1646C HCKO F6 DDRV_14 BRDQ30 v2 1 5 BRREST 12 38 Ge DPRV_18 BRDQ31 1 5V_DDR 6 BRREST DDRV_23 LI UG 6 M2 F3 L9 ze PDRV 41 BRRESET gt BRREST BRA 14 E BRDQSO SC 505 EE P BRDQSO BRDQS2 3 BRA 14 DDRV_48 DDRV_16 BRDOS2 F7 F24 c7 a7 Pprv_19 DDRV_22 ees vss_1 37 BRDQS1 I c A9 PER DDRV 24 DDRV 29 BS vss 2 BRDQS1 BRDQS3 37 B3 NS DDRV 49 DDRV 21 G3 x a vss 3 BRDQS3 DDRV_36 DDRV_28 S Er BRDOMO EL P7 E24 vss_4 Es G8 ve PPRV 37 DDRV_17 Faiz 6 vss_5 BRDQM1 NON P 3 3 gro PP8v 4 Dvss_15 ees E vss 6 Ea BRDOMS 38 DDRV 35 DVSS 23 a BRDQ 16 23 H10 A18 vss_7 SC BRDQ 16 ESE Se uis Ppev_32 Dvss_1 I vss_8 BRDO 17 FT Mo erg PPRV 33 Dvss_3 Eg E vss 9 Se BRDO 18 F2 PI 720 DPRV 15 Dvss_5 lois VSS 10 H3 BRDO 19 F8 P9 620 DDRV 20 DVSS_9 E19 vss_11 H8 BRDQ 20 H3 T G15 DDRV 27 DVSS 16 F19 vss_12 BRDOTZI E DDRV_25 DVSS_24 G2 E H8 T G18 T G19 H7 G2 D25 DDRV_26 DVSS_31 G22 BRDO 23 H7 DDRV 12 DVSS 32 BRDQ 8 15 c25 S 5 Le25 DDRV DVSS 1 B9 D7 BRDO 24 31 TT a B25 u gt a26 D1 c3 D7 B9 A25 PPRV 6 DVSS_2 geg 5 DDRV_3 DVSS_4 28 08 Se 03 DI Sc _3 CE Fs DDRV 30 DVSS 6 ES A7 BRDQ 27 c2 E2 J8 DDRV 31 DVSS 10 F9 A2 BRDQ 28 A7 E8
80. T FE_TS_DATA O 7 T32 136 FE_TS_CLK FE_TS_DATA O U36 FE_TS_DATA 1 T33 FE TS DATA 2 T30 FE TS DATA 3 v33 FE TS DATA 4 EXTERNAL DEMOD gt soc v32 FE TS DATA 5 V31 FE_TS_DATA 6 v30 FE_TS_DATA 7 T35 X FE TS SYNC T31 FE TS VAL Hoe PCM REG T37 Se PCM CE1 R MT5369 TS SYNC CI SLOT SOC RSS gt PCM WE E36 DD PCM OE R34 m MT5369 TS VAL cr SLOT SOC R CI A VS1 R33 ET MT5369 TS CLK cr SLOT gt soc P PCM IRQA P34 gt PCM WAIT 3 3V NORMAL Ng JCI CD2 A P35 CI_CD1 N34 a CD PCM_IORD M R168 R161 N R 4 7K gt PCM IOWR 22 7k 4 7K OPT OPT QE R171 2012 gt PWM DIM2 AT12 22 E e m gt gt gt PWM_DIM1 AR R e WC aim OPT A37 8120 R126 En SMARTCARD CLR AUS 1K 1K de SE e SMARTCARD PWR SEL N N AN NN A36 DO SMARTCARD RST IN PWM2_PULL_DOWN_1K B35 PWM1_PULL_DOWN_1K ae CG SMARTCARD DET B Bis gt SMARTCARD VCC gt SMARTCARD CLK gt SMARTCARD DATA DO SMARTCARD_PWR_SEL ROSEN gt SMARTCARD RST ATIT gt SMARTCARD DET KO CD SMARTCARD VCC ARTO CD L DIMO_SCLK gt SMARTCARD_DATA E LD L DIMO VS See L_ gt L DIMO_MOSI AP10 AN22 LED_PWM1 AP21 LED_PWMO 5V Tolerance AU20 gt OPCTRL 11 SCE AT20 OPCTRL_10_SDA AN18 COMP1_DET AP20 SC_DET AM18 DSUB_DET AN19 HP_DET AP19 AV1_CVBS_DET AR19 gt AMP_RESET_SOC AN21 OPCTRL3 AM19 za 9 RF SWITCH CTL A gt OPCTRL 1 SCL AR20 OO OC OC OO OC O PCTR AMP R
81. TOM jw pni luF amo 545 0 1uF TUE 1 5V_DDR I 2533 0 1uF ele c536 0 1uF 547 0 1uF Fel BL EE LGE Internal Use Only 1 5V_DDR IC 701 TE703 H5TO2G63BFR PBC EE e et 1 5V_DDR 0750 0752 0754 0756 0758 IT ur A_RVREF4 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF m 1OuF A ARA 0 13 ARA 0 13 LD tou 1 5V DDR ES ARA 0 ARA 0 N3 M8 A0 VRE
82. USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS ESD for MTK D4105 1 DUC 20S 02 010L Ov 10pF ESD_MTK D4106 1 ADUC 20S 02 010L 20V 10pF D_MTK D4100 1 de 52 67 200pF ADMC 5M 02 200L ESD_MTK ESD_MTK ESD_ D4101 1 Fr 5 6V 200pF ADMC 5M 02 200L D4104 1 5 6v 200pF ADMC 5M 02 200L TK Fa ESD For LG1152 ESD_LG ESD_LG ESD_LG D4100 2 L 5 6V 200pF ADMC 5M 02 200L 152 D4101 2 5 6V 20068 ADMC 5M 02 200L 152 D4104 2 5 6v 200pF ADMC 5M 02 200L 152 MODEL DATE BLOCK J5HEET Y 0 LGE Internal Use Only 3 3V_NORMAL ov USB FOR USB R4327 10K R4323 Ser 10K MAX 2A POWER_ON OFF2_4 104303 R4328 TPS2554 EP 10K 04327 1 0 1uF uns GND FAULT 16V o nd gt 1 10 167 LL PA amp SAS 14308 24V 0 1uF C4329 IC4305 Aout a o TPS54331D A IN 1 THERMAL 1 o qa E N ES V USBL om e TED e 2 E L4305 wa IN_2 3 OUT 1 C4323 om 04333 04336 BLM18PG121SN1D E N 10uF I I T 40V Ee lur i DVR Ready 10V ILIM SEL ILIMO
83. V LX 2 6 NFAULT1 T E e 720 8 e USB DP2 Ge e DEV_USB_DCDC_BD86180 Q ite m eeh A 5V_USB_3 o m E o LX 1 o su_our2 04322 La 5 u u to WT UT E Mees bes A 10V Ona SW_IN_3 AGND_ 6 5 0 10 SW_IN_2 D AGND_2 A 5V_USB_2 e 4 11 _ SW_IN_1 SW_OUT1 3 12 ke J USB3 MAX 1 5A SAUOAS 305 ZC LG JK4300 5v USB 3 e 4 Ao d N 6 z cg M pe e E ESD for MTK ESD for LG1152 Be z E o 3 e S a LD 2 E C4310 zo S M LOUF O 10v P 9 ma Ei m N o ON Ne GER A Ass modo ost pea gt a E N 5V_USB ord nN ex AN Ld C Ea y se 14302 WIFI120 ohm EFE ot EE BLM18PG121SN1D il El 04319 04339 E G4350 c4321 From Soc es 0 lur tour og MAX AA 16V 10V 10V A WIFI WIFI a WIFI WIFI q N P4301 er E E 12507WR 04L oe USB DM3 For EMI RC DEE oo vd oi ARA dl USB DP3 i un USB_CTL3 WIFI_DM USB_OCD3 WIFI_DP i Val ese E nn nn er nn RA A THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL
84. VERSE PATTERN Left Source 51PIN LOCA lt POWER BLOCK gt ON C7701 07700 0 1uF ms 0 01uF 50V 50V VCC18 GMA1 GMA3 GMA4 GMA5 GMAT GMA9 I GMA10 GMA12 GMA1 4 GMA15 GMA16 GMA18 Vcore P EPI LOCK3 TXB2P CH6 TXB2N FROM SOC TXB1P CH5 TXBIN FROM soc TXBOP CHA TXBON FROM SOC H_VDD N VDD VCOM gt VCOMLFB GIP_RST VST VGL_I VGH_EVEN VGH_ODD VGH_F 000000 VGH_R CLK6 CLK5 CLK4 CLK3 000 CLK2 CLK1 FL8S050HA1 P7702 DEV 50WAFER IHE gt Z OUT
85. Y Cancel OFF Replace Power Board and repair parts disconnection N Check Speaker Disconnectio Replace MAIN Board Y Replace Speaker Standard Repair Process Error C Audio error ind mora t SE VVrecked audio discontinuation noise Revised date 00000 m abnormal audio discontinuation noise is same after Check input signal compared to No audio A25 Check audio B Voltage 24V Check and replace speaker and connector Check input signal RF External Input signal Replace Main B D Replace Power B D When RF signal is not received Request repair to external cable ANT provider Replace Main B D In case of External N Input signal error Connect and check qa Normal Check and fix other external device audio d Check and fix external device external device Standard Repair Process D General Function Problem Established L LCD TV elleng date SEN Remote control amp Local switch checking 10 13 1 Remote control R C operating error Replace Main B D A27 A27 A07 Check R C itself Operation Check amp Repair Check B 3 5V Check IR Y Cable connection I S i On Main B D Output signal Connector solder Check R C Operating Check 3 5v on Power B D Repair Replace When turn off light Replace Power B D or IR B D 10 room Replace Main B D Power B D don t have problem If R C operate Explain the customer cause is interference fr
86. acs PPRY 7 28005 57 87 ARDQS3 E 6 El E s DDRV_47 ARDQ7 E7 ARDOM2 a ARDOMO D3 32 610 221 2 ARDOMI ARBOMS 38 5 78700 ARDOMI 75 ID ARDQM1 ARDO 0 7 ARDQ 16 23 ARDO 16 s Ss RVREF_A RVREF_B TRO ARDOS1 755 gt ARDOS1 KRDote i si E3 V gt ARDOS1 yer x ARDOS1 Qs ARDOTITI F7 M9 613 2 A17 RVREF_B ARDQ8 ARDO IS F2 P1 G21 98 Kaza RVREF_A ARDQ9 Se ARDO 20 H3 T ARDO10 E ARDQ11 ARDOT21 88 T9 F10 2 220 H ARDOT2217 SS ARCKE lt ARDO12 D22 G2 ARDO 23 H7 55 ARDO13 Foo H7 ao E ARCLK1 co ARCLK1 ARDQ14 C22 ARDO 8 15 ARDO 24 31 ARDO 24 B3 vsso_1 7 ARCLK1 CI ARCLK1 ARDQ15 D7 Sis ARDO 25 C3 VSSQ_2 ee A20 AT 08 ARDOIZT E vsso 4 gt n ARCLKO lt ARCLKO ARDQS2 gt gt ARDQS2 02 es CO 8 AT ARDO 28 AT vsso_s Fra i ARDOS2 gt ARDQS2 ARDO 16 23 XRDOT29 VSSQ 6 5 41 5V DDR ARODTC ARDQ16 DE A2 ARDO 30 E VSSQ 7 Gi A ARRAS lt ARDQ17 E B8 vsso 8 ARCAS CI ARDQ18 ARDO 31 A3 69 lt gt A3 vsso_9 a 5 RVREF_A 0746 ARCS CI F ARDQ19 R 1 3 RT 0 1uF ARWE CI 280020 1 ARDQ21 DDR NANYA Bis A12 DDR NANYA EH ARREST C ARRESET ARDQ22 E DDR HYNIX DDR HYNIX R731 ARDQ23 1K 23747 A13 T 28820 lt ARBAO 0 1uF 611 E10 ARBA1 lt Bis ARBA1 ARDOM3 m gt ARDOM3 ci ARBA2 CI ARBA2 ARDOS3 E OD ARDOS3 ARDOS3 gt ARDQS3 ARDO 24 31 F18 c6 1 5V DDR ARDQ24 D10 ARDQ25 A ARA 14b15 2 D7 sms ARDQ26 cil RVREF_B 748 ARD
87. art number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 Model General Specification Australia New Zealand AU Singapore SG Indonesia ID 1 Market Asia Oceania Africa Middle East Malaysia MY Vietnam VN South Africa ZA Iran IR PAL DVB Market Considering for Israel IL only Analog for A ASIA 1 PAL SECAM B G D K PAL for NZ SG Broadcasting system 7 PALI g Sy 3 NTSC M 4 DVB T Channel Storage ATV 135EA DIV 1000A O gt DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1116 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 4 System Video Input RCA PAL SECAM NTSC PAL MNA NTSC PAL60 6 Component Input Y Cb Cr Y Pb Pr RGB Input RGB PC EEEN SUB 15PIN amp HOM moui HDMI1 DTV DVI HDMI2 DTV DVI PC HDMI Ver 1 4 H HDMIS3 DTV DVI HDMIA DT V DVI Support HDCP RGB DVI Audio Audio Input Component AV For My Media Movie Photo Music List Analog Upper Heterodyne Digital COFDM DVB T Receiving system Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 5 Component Video Input Y CB PB CR PR 5 12056 jas oo ows elo jas sea 00070 00 am eo oo OT w Paga jers eo mme 000 6 RGB input PC Ca moxsomro mao no Je
88. e 2 mox ogrw mm 109 pos EME om son ve 4 moxco mc arsa mn vessen OJ SS T 6 1152 x 864 60Hz 54 348 60 053 VESA 1360 x 768 60Hz 47 712 60 015 VESA WXGA 8 1920 x 1080 60Hz 675 60 WUXGA CEA861D FHD only 1024 x 768 60Hz 48 363 60 VESA XGA Copyright O 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 7 HDMI Input 7 1 DTV mode e mme 26425 am os momo 5 mme 337163875 20976000 mazs norvsosor 0 9 mme sezso 5 ms n mme 7 2 PC mode agoen mam 100 166 2 omg sao nn Ds s engem sao an veen 4 001500 gene sero an aaen sengen ez e veen OJ MEME aam am usa o s oxe ara am Team s reegen ers 100 WUXGNCEASHD roem Copyright O 2012 LG Electronics Inc All rights reserved B LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application Range This specification sheet is applied to all of the LED LCD TV with LB22E chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 C Relativ
89. e humidity 65 10 Input voltage 220 V 60 Hz 2 3 4 5 Na nt ft In case of keeping module is in the circumstance of 0 C it should be placed in the circumstance of above 15 C for 2 hours In case of keeping module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig equipment Service remote control 7 Push the IN STOP key For memory initialization Case1 Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on gt If you push Power on key TV set will recover channel information by itself 3 After function inspection Push In stop key Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Main PCB check process APC After Manual Insert executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection betwe
90. emm P nn o E o On da Es o ds IRSE 1 u n u I GP4 High MID Power SEQUENCE ER ER ON OFF NZ _ON OFF2_1 V ER ON OFF2 2 NZ ER_ON OFF2_3 N ER_ON OFF2_4 MTCOM MODEL OPTION MICOM_GED NON_GED OK OK OPIN OK OK OK OK OK R3005 1 56K NW R3016 MICOM MHL R3020 R3030 MICOM_PDP R3005 MICOM_TOUCH_KEY R3007 MICOM_GP4 R3009 R3012 MICOM_OLED_MAI MICOM_JAPAN MICOM_DIIVA MICOM_OLED_FRC R3005 2 WV MODEL1_OPT_0 MODEL1_OPT_1 MODEL1_OPT_2 MODEL1_OPT_3 MODEL1_OPT_4 MODEL1_OPT_5 OK OK 0 0 0 MODEL1_OPT_6 OK OK _NON_MHL LCD OLED R3017 GP3_12 15PIN R302 R303 R3006 R3008 MICO MICO MICO MICOM_TACT_KEY MICO R3010 MICOM_NON_JAPAN R3013 MICOM_NON_DIIVA SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CRITICAL COMPONENTS IN THE AN WHEN SERVICING IF 15 SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes MICOM POWER ON OFF2 3 MODEL OPTIOLN MODEL OPT 0 NON DIVA DIVA For China MODEL
91. en computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uti ity Va I B 1 LJ EZ SCH El Dence Load Auto B P V Restore HDCP Checksurn Config Connect Dis Con LI tatus Start Addr n nnnnnn Ural Hylicix Ze Dan 7 UxFF End Addr Elapsed Time ec USB 450KHz 4 Click Connect tab If Can t is displayed check connection between computer jig and set MStar ISP Utility VAIO JD US J Restors HDCP Erase J Dis Con E2PROM Device Setting I2C Pin Definition i Use USB a a Communication Setting Speed 74 El E gt SDA in SCL in R C SDA out SCL out Pot Type fus z Roughly Speed 450 KHz Hast i I WIBE gt PIN prn o FI Auto Detect SPI Setting Reverse High f USE SPI JIG IS pin 1 switch UART I2c Aey Pull all Pin High Labelz elf DI Elapssd Tims 120 USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz to 400KHz 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility Y4 3 7 Source File NANE I Y ReConnect a I ht Flash D Flash 1 Flash 3 C Flash 3 1 M Read File HDCP Key Checksum Restore Data IV Program IV Multi Flashes lv Verify IV Erase
92. en on off while viewing power auto on off No audio Normal video C Audio error Wrecked audio discontinuation noise No response in remote controller key error recording error memory error CI 1 D Function error External device recognition error E Noise Circuit noise mechanical noise F Exterior error Exterior defect First of all Check whether there is SVC Bulletin in GCSC System for these model 11 12 13 Contents of LCD TV Standard Repair Process Detail Technical Manual Error symptom Content Remarks Check LCD back light with naked eye LED driver B 24V measuring method A Video error_ No video Normal audio Check White Balance value Power Board voltage measuring method Al TUNER input signal strength checking method A Video error_ No video Video lag stop LOD TV Version checking method LCD TV connection diagram Tuner Checking Part A Video error_Color error Check Link Cable LVDS reconnection A10 A10 32 37 42 47 55 condition A11 A11 32 AUO Adjustment Test pattern ADJ Key E LCD TV connection diagram al A Video error_Vertical Horizontal bar Check Link Cable LVDS reconnection A10 A10 32 37 42 47 55 residual image light spot condition A11 A11 32 AUO Adjustment Test pattern ADJ Key A12 Exchange T Con Board 1 A 1 5 Po Exchange T Con Board 2 A 2 5 WE lt Appendix gt Defected Type caused by T Con Exchange LED driver Board PSU A
93. erminal the speaker is normal Standard Repair Process Detail Technical Manual Error D Function error_ No response in remote controller Established key error date symptom Revised Content Remote controller operation checking method date lt ALL MODELS gt Checking order 1 2 Check IR cable condition between IR amp Main board 3 Check the st by 3 3V on the terminal 6 GND 5 KEY She sasv io GND als GND 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 Standard Repair Process Detail Technical Manual Error Established LCD TV symptom D VCOM Adjustment date 2010 1214 Revi Content Sequence of the Vcom adjustment date Am OO 1 Case ll CD module change W Con board change 2 Equipment E Service Remote controller 3 Adjust sequence ll Press the adj key ll select V COM ll As pushing the right or the left button on the remote controller And find the V COM value Which is no or minimized the Flicker If there is no flicker at default value Press the exit key and finish the VCOM adjustment ll Push the OK key to store the value Then the message Saving OK is pop M Press the exit key to finish V COM adjustment V Com d 440 4 Saving OK Press 0 to save
94. from a carpeted floor can generate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead 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
95. ing method when power is ON vate oo Check power on pin is high 24 Pin Power Board Main Board Common Edge LED SMAW200 H24S YEONHO 2 Eo WE a BENT 2V Inverter Inverter On off Es 12V Lamp A Dim LED TT C AM PWMDm Dim 1 GND P_DIM2 Error out e Lamp SCANNING Model PWM Dim 2 Standard Repair Process Detail Technical Manual LCD TV B Power error _Off when on off whiling viewing Content POWER OFF MODE checking method ja BEEN ALL MODELS N START Model f GLOI Serial Numbt S W Version MICOM Version BOOT Version IR LED Version SI 1V1107 ER a 00 00 07 01 2 ADC Data 1 02 9 3 Power Off Status i 00 58 System 1 qn PWM min max 3DDuty 5 0 99 System 3 0 0 EDID RGB HDMI Chip Type Wi Fi Version Wi Fi Channel Wi Fi MAC 10 Address Widevine ESN Num HDCP2 0 OTCP RF Receiver Version A Demod F W Ver D Demod F W Ver Debug Status 1 0 01 ode Number D L MTK 5369 E P Test gt ea ES MAC Address 0 00 00 00 12 SDP Server Selection 13 Netyvork Error History 14 RF Remocon Test OK 15 Access Code 00 00 Null Null Access USB Status 0 0 T 0C UTT 95 r 27 LOD ELF 912176 000000X Entry method Power Oft Sie 0 POWER_OFF_BY_REMOTE_KEY1 1 POWER_OFF_BY_ACDET 2 POWER_OFF_BY_ACDET 3 POWER_OFF_BY_ACDET OFF BY ACDET _OFF_BY_ACDET BY ACDET BY_ACDET BY_ACDET F_BY_
96. ircumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required
97. laced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique 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
98. leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the rep
99. ln Is Is a ag a Is o ojojojo ojojojo Ss 23 ei EMMC DATA LINE AM AM oo oo ei ei ei Ed e TR ed 10K PULL UP ga ga x k k x x x kx x O ra v I I ojojojo So po lis E d Suan sod lalalala 2 2 C8100 IC8100 3 I e A dada m m e es a e x SDIN5D2 4G 974 H26M31001EFR er Pe e Ed a co co o 0 oco o b 2 bou H o 29 o g o p H26M210011 KLM2G1HE3F AR8100 EMMC_DATA 0 7 22 1 16W A A3 c8 A3 c8 a e A C A A4 c9 AS c9 EMMC DAT e E T E e A4 co A4 A C A C EMMC_DAT e A5 010 A5 0 A B2 CTI B2 cii S 7 B C B EMMC DATA A B3 c12 B3 c12 EMMC DATA S B4 C13 B4 C13 2i d E B4 C13 B4 3 EMMC DATA 6 z B5 C14 B5 C14 i AR B C B DE DE e ER IDATS ER D1 B6 B6 D 1 16W 55 52 gt D e e D3 D3 EE e e M6 D4 M6 D4 M6 D4 M6 e e M5 D12 M5 D12 a 3 M5 D12 M5 D13 D14 D14 y D A6 E A6 E A6 E A6 A7 E2 A7 E2 A7 E2 A7 C5 E3 C5 E3 C5 E3 C5 ES E12 ES E12 E5 E12 E5 E8 E13 E8 E13 E8 E13 E8 SC E9 E14 E9 E14 EMMC_CLK e E9 E E9 E10 F E10 F EMMC CMD DAT6 E10 F E10 EMMC_RST D EE 10 2 10 F F F 63 F3 G3 F3 S E G F G G10 F12 G10 F12 G10 F12 G10 H5 F13 H5 F13 H5 F13 H5 J5 F14 J5 F14 C8107 E 05 F 05 K G K G OPT am lOpF K6 G K6 G 50V K7 62 K7 G2 SS gt G G K10 G K10 612 3 K10 G12 K10 G P G P G e e P7 G13 P7 G P10 0 614 210 614 SS A Sa G G H H 5 E SU H2 H2 f t H2 H K5 H3 K5 H3 e e K5 H3 K5 H 8100 E 812 H OPT 0 1uF H SH H N SE mM 16v C
100. nsitivity Setting 15 Ext Input Adjust Start Reset lt Caution gt Using P ONLY key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Enter Adjust A A When transfer the Mode In Adjust MODE Mode In Carry the command ale alo Automatically adjustment SES The use of a internal pattern ADC Adjust Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check 3 2 1 Check display and sound m Check Input and Signal items 1 TV 2 AV SCART1 SCART2 CVBS 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz 5 HDMI 6 PC Audio In Display and Sound check is executed by Remote control lt Caution gt Not to push the INSTOP key after completion if the function inspection LGE Internal Use Only 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern 80IRE LED gt CH14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on Rey of Adjustment remote control Only EEFL X 0 269 0 002 CE Y 0 273 0 002 lt Test Signal gt X 0 285 0 002 999 S 0205 40 002 Inner pattem Y 0 329 40 002
101. om light in room Replace R C Standard Repair Process Established D Function error bau symptom Gheck technical information Fix information S W Version N Check and fix external device cable information Fix in accordance with technical information xternal Inp And Component AGB HD DVI Optical Recognition External device recognition error Revised date o Replace Main B D Replace Main B D 1113 Standard Repair Process 12 13 Established Error date symptom ymp Circuit noise mechanical noise Revised date o Replace PSU with LED driver Check location of noise Identify nose type Replace LED driver Check location of noise X When the nose is severe replace the module For models with fix information upgrade the S W or Mechanical noise is a natural provide the description phenomenon and apply the 1st level description When the customer does not If there is a Tak Tak noise from the cabinet agree apply the process by stage refer to the KMS fix information and then proceed x Describe the basis of the description in as shown in the solution manual Part related to nose in the Owner s Manual For models without any fix information provide the description Standard Repair Process Established F Exterior defect EC NET Zoom part with gt gt
102. ouk C7712 u PANEL_VCC e I2C SDA2 ie 0 1u a 10uF 10uF due iur O A SCH 10uF NC scL SE 07742 1 16W 16V 10V 10V iov SX34 OPT 25V PvINB1 1 COMP x E 2 OPT OPT ROW gt COMP 25V PVINBI 2 ss INSTEAD OF AMCCO209 N gt e e e CO ss C7713 07714 07716 ID VGH_FB 10uF 10uF Z 10uF D7704 25V 25V 25V IEN EEN arta lalalala 07746 07748 1N4148W S sjejalelaj NI ls s z Pi e OPT pjzjlejplalajljajsjsjalalo comp Lo SS SWP R7746 0 A e e T e ee 212251819 luF25V 1luF25V 100V e 67724 DEN C7731 VDD L i SE luF BiU opr nes A CTRLP e 2i 07755 67757 S pur e 1 16W Lu D7706 lur lur C7740 16V 1N4148W 50V 50V 1000pF 100v e S LOSS 07736 50V Le 1000pF I A NR6020T6R8NC eo R7727 100K 07701 07754 E gt gt 6 Bun ew e 0 1uF E See e AF o W MMBT3906 NXP E R7729 c7715 C7722 2 7K 10uF 10uF E T 1 16W 16V 16V Right Source 41PIN LOCATION E e E C7737 C7739 R7718 0 1uF 0 1uF Eo 1 50V 50V 8uF ZK a R7713 07729 35v 1 16W PANEL VCC 2 2 ii N T VCC18 1 16W 50V e L7704 OPE Dr ET R7720 22uH SX34 47K e ETS e e p S 1 16W lt 5 C7703 C7702 40V LD TCOMP 0 1uF ms 0 01uF C7723 C7725 C7734 C7738 C7732 427735 50V 50V 10uF 10uF 0 1uF 0 1uF 0 1u LL sur e 25V 25V 50V 50V 50V 35v J 187700 47k ohm W ES N NCP18WB474F10RB Me P4 3 Z OUT T i CLK1 CLK2 sn LEVEL SHIFTER BLOCK CLK4 CLK5 CLK6 R7702 VGH_R g gt CLK6_I CLK6 VGH F R7707 CLK5_I ETE gt CLK5
103. returned to the customer Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes rer Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 MA In case any measurement is out of the limits specified there 15 possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION 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 c
104. rt Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc gt A7 ll Menu Setup Booster Check RF Cable Booster menu Connection uide N gt On Off Check 1 Reconnection S W Version Off On Check 2 Install Booster y S W Upgrade Check Contact with signal distributor Tuner soldering or broadcaster Cable or Air N l Replace Main B D Standard Repair Process Enol A Picture Problem DVB S S2 oe nom symptom Wii Tuning fail Picture broken Freezing Revised date m A6 Check HF signal cable DVB satellite signal or not Check whether other equipments have problem or not By connecting RF Cable at other equipment Set Top Box Different maker TV etc Check RF Signal level Check satellite setting AT aoe nn Check N Check Replace ECK satellite l ina S W Version Tuner soldering Main B D Check Satellite connection DiSEqC motor etc Y S W Upgrade Contact with signal distributor or broadcaster Cable or Air Change satellite setting match with installed ANT Standard Repair Process Established A Video error EC EET symptom AS GG A10 A11 X Check and Check color by input External Input ER Color y Cable Color Color Y P x Dee LVDS and Dee Replace
105. ssing IN STOP key by Service remote control Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking LGE Internal Use Only BLOCK DIAGRAM m i E a6 b i i GD ozez su 39419413 A NVI LNO d lads EES biany dd Dol er I 105 l TANOJ E d H L am umm dOS dOS 103 es t INGH KEE dia SQ 1 INGH IINGH TINGH E 6850 E 0850 E Tasn NOYd33 dOQH HIM ash WIN JH aTsT5 SSOL 8 V 43104LNOJI aaa YANNL UO5IS 9LTEIS 310 462 AN LGE Internal Use Only lt A5 e Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer ka RS H gt gt MOD SERRA U ED
106. te of screen without Signal 4 3 DDC EDID VVrite RGB 128Byte m Connect D sub Signal Cable to D Sub Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For SVC main Assembly EDID have to be downloaded to Insert Process in advance 4 4 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For SVC main Assembly EDID have to be downloaded to Insert Process in advance 4 5 EDID DATA 1 All Data HEXA Value 2 Changeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum 4 5 1 Auto Download m When you turn on the TV EDID will set automatically Not operate EZ ADJUST Tool Option Tool Option Tool Option3 3 Tool Optiond Tool Option5 Tool Optionk Tool Option Country Group ADC Calibration White Balance 0 10 Point WB 1 20P y 14 Sub B C 15 V Com 16 P Gamma 17 Touch Sensitivity Setting 18 Ext Input Adjust Caution Never connect HDMI amp D sub Cable when EDID downloaded m Edid data and Model option download RS232 Enter Download A A When transfer the Mode In download Mode Mode In Carry the command ADC A E 10 Automatically adjustment Adjust The use of a internal pattern Copyright O 2012 LG Electronics
107. 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 onm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is
108. under test Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 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

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