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LG 37LT760H-ZA User's Manual

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1. R308 1 2K OPT R302 a 0311 180 ARC gt HDMI ARC DSUB VSYNC gt gt DSUB VSYNC SOC R303 329 R324 22 OPT 82 a R325 5pF 2K 50V OPT DSUB_HSYNC OPT gt DSUB_HSYNC_SOC 0330 R323 22 n326 5pF 2K 50V OP T m IC105 ICI LGE2112 LGE2112 CHANGE SYMBOL OPT R380 0 AA32 AG35 To NEC HDMI HDMI_CEC HDMI_CEC HDMI_O_RX_0 A054 DO _HDMI2_JACK HDMI_0_RX_0B DO _HDMI2_JACK AG33 AG37 DDC SCL 2 JACK C AER EDMI_0_5CL HDMI 0 RX 1 656 XC D1 _HDM12_JACK AE33 33 DDC SCL 3 JACK lt HDMI 1 SCH HDMI 0 RX 1B Dl HDMI2 JACK AC33 003 pui de AF35 AOCLKN HDMI 2 SCL HDMI 0 RX 2 XC D2 _HDMI2_JACK AH3
2. 3 5V_ST M41T83RMY 6F P8701 12507WS 06L 3 5V_ST R8709 R8710 7 3 5V_ST 4 7K 4 7K C8703 c8701 A 0 luF 22uF MICOM_RESET gt lov 16V 108708 74LX1G14CTR R8711 TOOLO lt 22 B BUZZER BUZZER 3 5V ST Q C8714 BU8700 PENE E 0 1ur PKLCS1212E4001 R1 E BUZZER T R8712 22 Jl 16V TOOL1 lt OPT o S R8705 s O 10K E A 3 5V_ST 1x i R8713 22 iu IRQ1 FT OUT r3 FLMDOX E ap Uu e d to C tal R8706 R8707 9SEC EO SEYS DAS R8783 S e 2 1K 33 47K E CLOCK_SCL o o SW8700 fa KH R8708 JIP 1127WEM BA8700 33 e z BATTERY D CLOCK_SDA 08715 samasaa a a 2 02 UP X H N x8701 10V 4 3 O oun H a 3 5V_ST A gt 5V_ST Y Y X e e A R8786 P zi Ez 1M 56 3 5V_ST ir El e e e e e 2 o SE R878 5 er Ai N on emi emm emm C8
3. CI A DATA O AR904 0 CI DATA O CI A DATA i1 CI DATA 1 C DETEC CT A DATA 2 CI DATA 2 CI A DATA 3 CI DATA 3 CI A DATA 4 AR905 0 CI DATA 4 3 3V NORMAL CI A DATA S5 CI DATA 5 A C S NPU CT A DATA 6 CI DATA 6 Cl t MT5369 0 CI A DATA 7 CI DATA 7 ose O 1 R910 R914 DV CI ON MT5369 TS OUT 0 7 AR902 gt CI MDI 0 7 10K 10K A 47 MT5369 TS OUT 0 CI MDI O e e e e 15369 TS_OUT 1 CIZMDI ED ld PA R933 gt R934 R935 lt R936 MT5369_TS_OUT 2 CI_MDI 2 CI_cD1 E 10K 10K TOR 10K 15369 TS OUT 3 CI MDI 3 OPT QET CI CD2 T5369 TS OUT 4 CI_MDI 4 PCM_WAIT T5369_TS_OUT 5 CI_MDI 5 3 3V_NORMAL PCM_INPACK CI_A_ADDR 0 14 CI_ADDR 0 14 T5369_TS_OUT 6 CI_MDI 6 A ete MT5369_TS_OUT 7 CI_MDI 7 CI VS1 CI A ADDR 0 an906 0 CI ADDR O AR903 R906 R913 R918 R919 R923 R924 PCM REG CI A ADDRII CI ADDR I 41 10K 47K 47K 47K 10K iB Ge
4. THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SECRET LG ELECTRONICS EMMC_VCCO EMMC DATA LINE 47K PULL UP x x x x x x lt x Se O ES DAD eee o 9 00 Sit sr eit lt sr H Ka sr p poss SEI JODE M 11 RI bo opa dye eo BN Sae E S xn ER x SH ci o o oio C e o o E ES mom m m mom om m rl gt al e C8100 IC8100 3 C8100 1 C8100 2 a ee s Aa opo co SDIN5D2 4G 974 H26M31001EFR H26M21001F RIMOGLIHESEZ AR8100 I EMMC_DATA 0 7 22 1 16W 4 A3 08 A3 08 T EN A4 c9 A4 c9 EMMC DAT e AA c9 A4 SM HAT 4 A5 c10 A5 C10 Ss E B2 C11 B2 C11 em e Se a EMMC DATATA B3 C12 B3 C12 S 3 EMMC_DATA 5 B4 C13 B4 C13 S 2 EMMC_DATA 6 B5 C14 B5 C14 BE ose Ba AR8101 e B5 C14 B5 4 PONAM oe e ER 2 DAT5 ER D1 B6 D B6 1 16W D2 D2 D3 D3 J5 e M6 D4 M6 D4 M6 D4 M6 M5 D12 M5 D12
5. A ETNHUB DVDD33 ETNHUB_AVDD33 A 5 D H UO 98400 18403 fa oi d Bg El ENS BLM18PG121SN1D RE 8 m 2 2 z gt o 9 w m Di El a E Ei Ka o f ON kd Ban 2 ad x x EEE A fx H m E C8419 C8425 C8428 AA s H E Sri ye EE E STRAPPING PIN CONFIG C8401 mi OPT 0 luF ZI22uF 22uF a ss Se m a gt S m m O u me R8404 R8405 16v TOV 10v D lt x m Sr m a m B z 16V 10K 10K D d d oN i m A a A m m m 0000 N U NAP i i a S n o E a apum ETNHUB DVDD33 3 5V ST d T A zn s dt E e o N AN e o 0 R8487 22 el o ME PE C 10K o tQ nm AAD ETNHUB DVDD18 B H Sdn ETNHUB AVDD33 S IS m x idle 333 Q B A Sex a oO oi oi a dol 2803052 SA ETHERNET PNP ON OFF x o x x ts gt d o cd ED pi E S ur iok A ETNHUB DVDD33 as NT TX Cl vo 2 Tal B Si See a alo m m o E a DLE e e E D S G U E e oe o N aon 2 m mim K zi gt sl Y E v 26 nnana asl aloo m S mh to ETNHUB AVDD33 aie ecu emia ke ducis B OM a a ol 8 A ala m B B BB EN a H e gt e coy Ha Y Gei Gi x H n a p Zz
6. From SOC MAIN_AMP_RESET L_ gt ag z eog 0 10K EO OOP DUAL COMPONENT 3 3V_NORMAL A e e 01801 1ST OTRIY80001A 2ND OTR387500AA ac 15401 3 ro BLM18PG121SN1D ta 24V_AMP T AUD MASTER CLK S R5406 Sra er e ee 424V 24V_AMP TI OPT P C5424 A A OPT QI c pol QN 05418 05420 05422 Did 0 1uF 0 1uF 10uF SH C5413 _ C5414 O O E lt Te ET 25 50V 0 1uF T Tour RH UE H H H DI lt a Gl el eil eil GEES T EN E PD E n A1 A 1 AJA n n 73 e e e e e SPK L e e ch Di Die an A A Girl H ay aya D5400 e ain S H alal ol mi ml wl DI DI 1N4148W R5407 R5414 uod gt P O U X M A O O a a a SEN rq Be RA 10 048 5436 R5415 c5400 5401 269409 Coal POS 20542 9 THR PT stone 5 1K 0 1uF 1 OP C5405 mm C5207 PLOUR 0 luF 3 9300F NRS6045T100MMGK 10uF 4 7uF 10V 50V 50V l I0 16V 50 05434 e e ALI NUES i DR n d SPEAKER L meet 5402 BOY PF s 5 4 3 0 A 5 4 3 7 gt Tioopr R5404 AGND PLL 1 OUTIB 2 p5401 V I 20pF NRS6045T100MMGK Ts R5416 50V 3 3K l 1N4148W R5408 R5412 S 5 1K AVDD_PLL gt OUT1B_1 199 12 12 e e e e e SPK L DVDD PLL 3 PGND1B e L22000pF LF 4 B S T 1 B
7. Crystal Matching Test result LLOGI 27 0MHZ 12pF Crystal amp load cap gt 27pF gt 20pF gt 24pE 40H 12pF Crystal f a x A l Gl113 5 5 C115 1 3 3V_NORMAL 3 3V_NORMAL 8pF 8pF NVRAM 309 50v 3 5V_ST ae R119 12pF Crystal L pp Crystal PAS E Write Protection MT5369 XTAL IN lt 1 li T MT5369_XTAL_OUT wi Z 9 C143 C115 Low Normal Operation 6 24pF 24pF R103 Zn105 IC104 43 5V ST High Write Protection MTK JTAG Close to eMMC
8. 12V I 12 A 5V_NORMAL A 102402 I 3 12407 I WGBS0SSHOS3 7 BLM18PG121SN1D POWER DET C2415 tour IC2404 Hoy TPS54327DDAR EP GND eS POWER ON OFF2 3 R2458 e R2435 33 10K EN VIN I2C SCL5 C24001 1 0 1uF Ss e O z I e 16V VFB S T S VBST C2429 I2C 8025 FOR LPB MODEL RESET at BkV ESD e ms L2409 I Rodeo VREG5 SW 3 6uH 33 1C2401 3 6 GP e NCP803SN293 NR8040T3R6N SS GND C2430 3A 7 m I I 10v 24V gt 3 48V C2417 C2428 ur 3300pF e 12V gt 3 58V 10v Tw ST 3 5v 93 5V I de L al POWER ON OFF1 POWER ON OFF2 1 POWER ON OFF2 2 POWER ON OFF2 3 f N _ON OFF2_ D D R MA N L ub wv POWER ON OFF2 4 1 27 MTK CORE A m SE POWER_ON OFF2_1 m LL 12V R u WER ao MAX 3 4 A A i V NORMAL M 12404 x C2420 Leg L IC2400 2uH 12410 E a LL We BLM18PG121SN1D 3 BOZI0SSPT Rue ARR 3 1C2405 NOTE 17 li if TE 0 1uF BLMISPGLIZISNID EP PGND TPS54425PWPR 3 3V NORMAL PGND Nc_2 x 16V C2423 A 1 8 A OPT awed 2 Band C240 Tobe 2 4 0 8
9. 1 5V_DDR jm 0752 0754 0756 0758 0703 101 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF on OF i ji I Ji 1 A optio 1 5V_DDR C745 0751 0753 0755 0757 C702 C704 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF iu I I Jl d e TLC LOS LGE2112 1 5V DDR A IC703 3 Aci ci9 god O2 GR SRERS REC DDRV_44 ARDQMO C ARDOMO AC2 c21 x3 DDRV_45 ARDQSO BN LD ARDOSO Pe DDRV_1 ARDQSO 293 gt ARDOSO ARDQ 0 7 DDRV 2 ARDQO DDRV_5 ARDQ1 m D23 DDRV_8 ARDQ2 D4 C17 DDRV 10 ARDQ3 B3 zi 93 Poza DDRV_4 ARDO4 c3 C16 DDRV 7 ARDOS AC3 C24 DDRV 46 ARDQ6 ACA D15 DDRV_47 ARDQ7 G10 221 78700 ARDOMI gt ARDOMI 520 RVREF_A RVREF_B TP701 ARDQS1 220 ARDOS1 y ARDOS1 gt ARDQS1 ARDQ 8 15 613 A17 RVREF_B ARDOS G21 A23 RVREF_A ARDQ9 D17 aRDQ10 S A arDo11 525 ARCKE lt ARDQ12 D22 B5 aRDQ13 515 ARCLK1 C ARCLK1 ARDQ14 ga 022 ARCLK1 lt ARCLK1 ARD015 A20 A7 ARCLK0 C a2 BRCLKO ARDOM2 ee ARDOM2 ARCLKO C ARCLKO 280062 F ARDOS2 i ARDOS2 gt gt ARDQS2 ARDO 16 23 1 5V_DDR ARODT C ARDQ16 gt gt A ARRAS lt ARDQ17 B12 ARCAS C ARDO18 Pos RVREF A ds c746 ARCS lt e 280019 eee R 1 3 0 1uF iK ARWE C ARDQ20 i a 920 ES ARDQ21 B14 A12 ARREST lt ARRESET 280022 R731 ARDQ23 ik 0747 les A13 1 1uF ARBA0 C ARBA0 MEA lov G11 E10 PRIN ARBA1 C aie ARBAL ARDQM3 cS LO ARDOM3 u a 3 ARBA2
10. 3 5V_ST de oru A MBT3906 NXP TYP 1450mA 02401 R2408 DES TAGS be R2461 a 1 3 L2408 R2463 o 10K ORMAL_EXCEPT_32 NORMAL_32 BLMISSGISTINAD PANEL VCC RL ON e 2 P2400 P2402 A e e c DAD FW20020 248 FM20020 24 24V R2464 4 7K A 10K gt n RU m 02402 A K RATB MMB SE L2403 C2432 C2433 x m 2 a OPT CIS21J121 0 01uF 0 1uF hd E N Zz Ay o 50V 50V y O Bi C2435 a e oam l 4 7uF Xx 7 3 5V 8T 12402 o 02413 x x S G B a A E x 50V U i0 Soom iin CIS21J121 e o 0 1uF gt e d x OT 50V ES eo TH ec L S ODE 2406 T a Ay ME z m a I x lt 0 luF z E 4 e 4 Liev Se e He E L DIMO VS R2425 Su tm gt 2 a gt GE INV QN POWER 16 VSYNC 5 e lt J m x D A DIM A DIM S x bd e R2426 z 12V 12V P DIMI 2 R246 0 A L240 GNDZ PADIM2 23 Err ae SANN LGD eee TOK Q2406 CIS TJI24 PWM DIM2 e e n PANEL CTL APP Si MMBT3904 NXP LIM 32 55 A amp p mom n 89 a 0 1uF il lt N 50V S MAWA A SE afg 43 3V NORMAL e P2401 m Su E ale R2424 16 20 23 a e z RER CD GND OR USE OPT LE N L D OPEN R2405 N LE L D USE gt ERROR OUT mc FOR LEB Download To LED DRIVER FOR LPB MODEL P2403 12507WR 08L RO Power DET
11. a C8609 22uF 0 luF 16v PGND_ ROUT EXT SPK R C R8601 1K PVDD_1 0 RHPIN C8610 luF TOV RLINEIN EXT_AMP_R_IN RIN VDD 0 LIN LLINEIN EXT_AMP_L_IN II C8611 luF DES LHPIN PVDD_2 LOUT EXT_SPK_L lt e R8615 1K WHEN SERVICING IF IS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION EM FILRE AND ELECTRICAL SHOCK HAZARDS 6469780 ci ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes IC8601 TPA6011A4PWPRG4 ROUT 400mA gt 5V_SUB_AMP A A 5V_NORMAL L8605 BLM18PG121SN1D LOS SE BTL R8602 100 gt EXT_SPK_R R8603 1K 5V_SUB_AMP SECRET LGElectronics HP LINE A R8604 0 R8605 VOLUME 3 3K 3 5V_ST A SEDIFF R8608 4 7K R8607 SEMAX 100 e AGND SC er R8610 0x EXT AMP MUTE BYPASS 08601 1 een E MMBT3904 NXP C8612 R8609 FADE Lo 100 V R8665 0 SHUTDOWN LOUT gt EXT_SPK_L R8611 PGND_2 T LG ELECTRONICS Hj R8628 CLOSE TO MTK OUT4 2 2K 00 o_o a gt EXT AMP L IN i m E IN4 R8632 33K R8622 470K RB 623
12. M R7104 10K BIT SEL LOW R7102 10K LVDS SEL LOW a SBS UDS OUTPUT Connector 30Pin LVDS OUTPUT Connector i LVDS_30PIN P7101 FF10001 30 1 d R7108 0 a S AUO_65_MIRROR OPC_SEL Md VDS_SEL 3 3V_NORMAL 3 lt LVDS SEL A R7107 33 PWM_DIM1 5 e 37 1GD R7105 H SE 6 TXA3P L DIM_ENABLE 37_LGD r 4 TXA3N GND E R7106 8 RAON 10K TXAON m OPT 9 TXACLKP RAOP j TXA0P o 0 TXACLKN RAIN OPC EN TXAIN 5 1 RA1P TXA1P 2 TXA2P RA2N TXA2N 3 TXA2N RA2P TXA2P 4 e gt TXA1P 8 KN TXACLKN 6 TXA N LKP TXACLKP 7 q e 8 lt TXAOP TXA3N 2 TXAON TXA3P 8 LVDS_SEL e H BIT SEL lt BIT_SEL e TXBON lt TXBOP TXB1N 8 lt TXB1P e H TXB2N 9 lt TXB2P j KN TXBCLKN LKP TXBCLKP TXB3N e i TXB3P l hd PANEL VCC A 3 L7100 j BLM18SG121TN1D E e 0 C7100 67101 C7102 e H Ze 1 Du E aml000pF 0 1 BIT SEL j LVDS_SEL 16V 50V 50V OPT OPT OPT E 3 3V NORMAL B 3 Wo er A e e B 8 R7103 R7101 j SE 8 uis SEL HIGH BIT SEL HIGH CF SrA P BIT_SEL lt _ LVDS_SEL eg IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS W HEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USE
13. DETECTION EXT_PWR_DET EXT_12V A _4 L9101 3 CB3216PA501E e SER C9109 2 luF MODEL DATE BLOCK s o SHE E T a KY LGE Internal Use Only 13 3V NORMAL 43 3V PROIDIOM 3 3V PROIDIOM lernt A A A L9202 L9201 TH 3 3V_PROIDIOM 00 MLB 201209 0120P N2 TOZO A MLB 201209 0120P N2 74LVC1G08GW 3 3V_PROIDIO R9261 0 09205 TS S OUT CLK e e 3 3V_VCCINT 100uF OPT A 16V TS S OUT VAL e e R9272 0 e e e e e e e e e gt TS_S_OUT_SYNC E e e e gt JM E K E K E F EER KE E af atf at al 4 TS S OUT DATA gt e 0 ui 5 E E E z z o o o o o o o o
14. RATA WE BRDO20 La GEN me BRDQ21 BRATZ ui BRD022 Fees BERATIT T BRDO23 BRATO Se t BRDOM3 Fos gt BRDOM3 g BRDOS3 gt BRDOS3 FINSNZDDE BRDOS3 OO BRDOS3 BRDQ 24 31 A AA3 E BRDQ24 Fos DDRV_11 BRDQ25 ES ARA DDRV_13 BRDQ26 T5 T3 DDRV_38 BRDQ27 v5 Y3 DDRV 42 BRDQ28 05 g 03 DDRV_40 BRDQ29 IC704 2 E6 Y2 K4B2G1646C HCKO re PDRV_14 BRDO30 1 5 ce DPRV_18 BRDQ31 1 5V_DDR 6 uc PDRV_23 vi 6 Ce DDRV 41 BRRESET O BRREST DDRV_39 AC5 E23 p DPRV_48 DDRV_16 ees DDRV_19 DDRV_22 G7 G24 DDRV_24 DDRV_29 AC6 F23 DDRV_49 DDRV_21 N7 G23 DDRV_36 DDRV_28 P7 E24 DDRV 37 DDRV 17 v6 E12 DDRV_4 Dvss_15 J10 F12 S uio PPRv 35 Dias 23 DDRV 32 DVSS 1 H13 B18 DDRV_33 vss 3 E20 C18 DDRV 15 DVSS 5 F20 c p18 DDRV_20 Dvss_9 G20 E19 DDRV_27 DVSS 16 G15 F19 DDRV 25 Dvss_24 G18 G19 D25 PPRV_26 pvss_31 575 DDRV_12 DVSS_32 c25 E25 DDRV_9 DVSS_19 B25 A26 DDRV_6 DVSS 2 A25 B26 DDRV_3 DVSS 4 H7 026 DDRV_30 VSS_6 H8 D26 DDRV 31 DVSS 10 J8 DDRV_34 LOCK HEET LGE Internal Use Only CI A DATA 0 7 CI DATA 0 7
15. 4 1 EDID The Extended Display Identification Data DDC Display Data Channel download 4 1 1 Overview It is a VESA regulation A PC or a MNT will display an optimal resolution through information sharing without any necessity of user input It is a realization of Plug and Play 4 1 2 Equipment Since embedded EDID data is used EDID download JIG HDMI cable and D sub cable are not need Adjustment remote control 4 1 3 Download method 1 Press ADJ key on the Adjustment remote control then select 12 EDID D L By pressing Enter key enter EDID D L menu 2 Select Start button by pressing Enter key HDMI1 HDMI2 HDMI3 HDMI4 RGB are writing and display OK or NG For Analog For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI 4 1 4 EDID DATA HDMI EDID DATA 2D x oxoo oxo o o2 ooo 0x0 000 00 FF FF FF FF oi 9 or 03 80 ox02 OF 50 54 08 00 or 01 bee ee m m m ve pe n po peo sr ao pus o 7o 55 oo po sn o oo oo T te Too oo oo Tro Too sa oos aE 53 10 oo foal 20 20 0 20 0 20 9 07 NEM E ooi 22 or 25 45 or so o sr or Fo pipes se EJES pes 35 o fao se oo foo o e or 0 oo fao s foo jo 0016 es ss oo ao sa oo oo oo t oz sa 0 e 71 38 oxos 20 4o se zc 4s 0 o sa 00 00 oo E 06 1 50 890 bos s oo 15 3o Pao vo 36 oo no sa oo oo oo 1e 06 00
16. Factory name displayed ex 42LT760H ZA 5 Check the Diagnostics DTV country only Buyer model displayed ex 42LT760H ZA 3 6 Cl Key checking method Check the Section 3 2 Check whether the key was downloaded or not at In Start menu Refer to below OK 0A0C gt Check the Download to Cl Key value in LGset DK Ee LGE Internal Use Only 3 6 1 Check the method of Cl Key value 1 Check the method on Instart menu 2 Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 L gt 2 Check the key download for transmitted command RS232 ci 00 10 3 Result value Normally status for download OKx Abnormally status for download NGx 3 6 2 Check the method of Cl key value RS232 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 L L 2 Check the mothed of Cl key by command RS232 ci 00 20 0401 Data 0 ME 3 Result value i01 OK 1d1852d21c1ed5dcx CI Key Value 3 7 WIFI MAC ADDRESS CHECK 1 Using RS232 Command HWeqkH Team affer IDIIJI20 Cr OJIKI X or NG 2 Check the menu on in start IN START UTT 4 APP History Ver 25682 Eye Q Gain 5000 PQL DB LGD_ALEF S12173_X90000 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 4 Manual Adjustment ADC adjustment is not needed because of OTP Auto ADC adjustment
17. aras e apa o gt aa Bey S S ee ajaja S a e BRA A ETNHUB_AVDD18 J lt Ma w d A e ojo ojo emm emm emm emm emm nd i I ji i i Se Se bei SF d sr Sr 08404 C8407 C8411 C8418 C8424 C8427 C8432 C8433 C8436 ee ee CONFIG FOR MAC 4 2 UE 0 luF 0 luF 0 1uF O0 1uF 0 luF UL UF O 1UF m 0 1uE e e oe 6 e 9 e e mim mim LOV zl be gt Mide 11111 e Differential 100 ohm 1 1 zi No Via als R8462 Ge Close to lt lt OPT l lt i s m e E rni mun Q 2 Z DISDUALMI1 C R8459 4 OPT UU UU UU AB UU UU s s ETNHUB_DVDD18 00 m mom o o oo Wow N N Aea Ges R8463 10 e eue c Linen HOH H H X x x x x x X x Mox x x lt x x lt Xox P4MODEO BB IA m m BB BB m m a a BB Ig T d R8460 gt gt gt gt a gt gt gt gt Es T gt gt gt gt K OPT m oraig 9206 C8410 C8417 C8423 aa ES Qi n a a ES n ES ES GXMODE CJ 22uF 0 luF 0 1uF 0 luF E 0 luF H m E m B Eom m Si a B a Bom Lov m m mm m m m o m m m m m m m m R8461 D 5 DID 5 5 cdm e 2 D E Da K ODE mox Ua Z2 uu ana iaa Bie jee DUP3_GYMODE CJ hd BH BB BOB H H BH E H BB BB H m m m H RH H m H m H H H m H m SOC LAN1 TO PHY Chip LAN2 ETNHUB_DVDD33 R8490 R8489 MTR TO RTE echa uL s Ina C ri a PHY TO RTL mat e yr FOR DEBUG Re468 LAN_LINK2 My OEE ETNHUB_AVDD18 E
18. CI DATA 1 F34 N34 5 Se SPI DATA ds gt PCM IORD R168 R161 CI DATA E m N R166 4 7K 4 7K SPI C CG PCM IOWR CI_DATA 3 N33 2 7K OPT OPT OPT CI_DATA 4 P32 AU12 R171 22 a 3 SS gt PWM DIM2 CI DATA M AT RIT Ap22 gt PWM_DIM1 CI_DATA 6 M37 AR12 R169 10K e gt A DIM CI DATA 7 M33 OPT e F35 A37 R197 n9 S A u ete w x E35 C35 LE LK 10v MT TS z 20 E37 A36 OPT O e LOTI MT5369_TS_IN 2 zu ie ix 3 3V_NORMAL N32 B35 PWM2 PULL DOWN 1K A CI SLOT gt SOC MT5369 TS 3 PWM1 PULL DOWN 1K M34 B36 MT5369 TS 4 M36 B37 e e e e e e e e e e MT5369 TS 5 i Oo O x e x M32 H a m MT5369_TS_ 6 n un d m E SoC L33 lt S Es ES z en e 5 NO_FRC internal LG FRC2 Reserved MT5369_TS_ 7 E33 XI i S a O e y o a iles 8 I ei FRC USB OCD2 9 LDM CS Dox T ox nx o TAN n n NOM D o ei E32 AU11 Sei Bon Der BN PIS ES MUN DEE EE Her MODEL OPT 0 0 0 1 USB_OCD1 e LDM CLK gt L DIMO SCLK ma I BER Cha ans are loo m x D oa Ge xu R1010 100 F32 AR10 DE eh Jas S o a B S gt n Ex WARM MODE LDM VSYNC gt L DIMO VS x S gt E A a 2 z MODEL_OPT_1 0 1 0 USB CTLDS A29 AM9 b x d l v e ES LpM po gt L DIMO MOSI E H x x z H USB CTET 77 LDM_DI e E MODEL OPT O0 C102 C106 c31 E o Gei SC Clee USB2SER_RESET C EE ES e MODEL OPT 1 gt _ gt up SS 0 1ur LAN1_DET C Q E HIGH LOW OPT OPT OPT OPT E31 AN22 MODEL OPT O 53 LED PWM1 Eer LED PWM1 gt MODEL OPT 2 F
19. D D D D D D D D D D D D D LG ELECTRONICS uev DIES EFOR L43 BLM18PG121SN1D dD D D D D D D D D GD D GD ra ow cw EN ds EP PGND VIN2 VIN1 zo VBST SW2 C4326 a LE 50V ewi e PGND2 PGND1 70430 5 USB TPS54425PWPR 5V_USB VO 4 1 H 5 ge finc rol 3 48 2 e KAS D 15 R2 VREG5 2 3 e II 327 4A TuF ss 10V e 1 4 R1 GND Messe 02332 0 5 120 2 2 pF R4328 C4329 is 50V 3300pF 100K PG 50V bu lt 9 6 EN R432 OK e ANN POWER ON OFF2 4 5V USB a 4334 22uF oe 22uF 10V 10V I Vout K0 763 0 0017 6 out set 1 R1 R2 4 98V 6 Am D D D D D D D D D D D D D D D D D D D D D D D D D D D 3 3V_NORMAL USBL DYR Ready JK4304 USB DOWN STREAM R4311 10K R4312 OPT 10K IC4306 TPS2554 EP 5V USB A GND FAULT 1 10 lt mif Z 007 2 m e H m IN 2 OUT 1 3 8 C4340 ep D D D LOUE 10V Y ILIM_SEL ILIMO e 4 7 USB_OCD2 a E e Eo MAX CA USB CTL2 gt e 5 6 H o z SN o e e m x i asss ONES Onmmw ANS I PE
20. O D LLI IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC LGE Internal Use Only Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes LED LAN NEW JK9000 2 01V D12 180 XRJV 111 RT TO TO MCU 3 5V_ST_LAN 3 5V_ST 3 5V_ST_LAN A T LAN_AVDD33 A A A L9000 BLM18PG121SN1D e WUT e 09012 09000 Q Lup A03407A TOV Rei a LAN DVDD33 S A R9002 R9008 L9001 270K LUAR BLM18PG121SN1D LL e R9064 0 WOL_ON e Toora E OPT Tre C y B 09003 ETHERNET_PWR_ON OFF SEWERS noon 28C3052 10K E A LAN LINK G LAN ACTIVE Y i 50V 50V odd LAN_DVDD33 pE 15 F 5 r pF a IO AA aa i T CONFIG PHY ADDRESS Xtal matching xtal Old Xtal Old Xtal matching e 1 O 7 _ e 2 c e 25 0MHz R9026 gt R9027 gt R9032 X9000 X 4 7K 4 7K 4 7K e Pe Oo TO RJ45 xe e R9010 e Z a 2 D e aM st e R9011 M e m R9009 Place Closed 2 OP B B 2 49K RT lt 00 4 7K A C9014 x C9004 A gt o Lupi 0 1uF lt I T 09002 e 16v 16V LAN_DVDD33 L S
21. e mme an mm SXGA HDCE FHDmodel _ 7 Viene Pixel dock 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 spec sheet applies to LD2FF Chassis applied LCD TV all models manufactured in TV factory 2 Designation 1 Because this is not a hot chassis it is not necessary to use an isolation transformer However the use of isolation transformer will help protect test instrument 2 Adjustment must be done in the correct order 3 The adjustment must be performed in the circumstance of 25 C 5 C of temperature and 65 10 of relative humidity if there is no specific designation 4 The input voltage of the receiver must keep AC 100 240 V 50 60 Hz 5 The receiver must be operated for about 5 minutes prior to the adjustment when module is in the circumstance of over 15 In case of keeping module is in the circumstance of O 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 Caution When still image is displayed for a period of 20 minutes or longer Especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern O9ch there can some afterimage in the black level area 3 MAIN PCBA Adjustments 3 1
22. er ee s si s Gss Gu dL I 1A 5V 1A 12V FOR COMMERCIAL RS 232C POWER i DBG SW CONNECTION UART SW2 CONNECTION L BO A MTK ADJ L BO A Interactive I I H Bl A MTK DEBUG H Bl A USB Download EXT 5V EXT 12V i I y 1 287 901 gt c3 13800 13801 VART_SW1 UART SW2 e Y ag 2 TC3811 IC3802 T NLASB3157DFT2G NLASB3157DFT2G I IR_OUT_RS232C I 3 5V_ST 5V_S 103800 ne equi A SELECT y Es SC F9845 SELECT SE MAX3232CDR z R3820 100 H gt MTK DBG TX MTK NEC RX 1 6 ON SEMICONDUCTOR E ON SEMICONDUCTOR L 7 T i 3502 I vcc ANALOG SWITCH ANALOG SWITCH cc 0 1uF 03800 R3821 100 03822 1 Tt B I 8 I R3859 Se ss 3 5V_ST SOC_TX RS232 TX esaet NE R3835 Y Ec i oih 03801 D3804 D3805 eg 1K AE xS 20V T 20v pi EAN38256201 EAN38256201 OPT OPT R3834 I BAP70 02 D3803 R3862 0 I SPG09 DB 009 OPT 0 1uF 03802 3 5V ST 380 I T JK3803 IC3812 IC3804 i i I NLASB3157DFT2G NLASB3157DFT2G R3811 R3814 R3860 4 I 4 7K 4 7K SELECT 0 Ragan A E 580 bd lt MTK_DBG_RX MTK_NEC_TX C u C3803 gt NEG I A 0 1uF T S gt Rs232_RX ON SEMICONDUCTOR UN SEMICOND GCXOR e RS232 TX ve Pano SW TOE y AROS SWITCH cc I Tos 20000 i O luF a R3861 R3846 0 1uF soc Rx C T JRs232_RX A 5 T R3836 9 HL L Sede RS232_RX lt NEC RX I EAN38256201 EAN38256201 zi EAN41348201 I R3863 0 I OPT 1 CINCNUOKDUS E A A A A A A A CES te ENDO ee as I
23. C p A VOUT_1 4 c 83 ETNHUB DVDD18 ETNHUB AVDD18 LAN LINK2 lt ED SPD 2 GXANEG 63882 11 PTXDTI1 ETNHUB DVDD33 GYFULL H EB BOB B H A A H LED DUP 2 GYANEG 62 Loun al al of al al al al al al al 0 13 ERN AUTO NEGO CJ M R8409 DVDD33_3 M R RXD 0 PIXD O D ri L8406 L8407 61 DN I lt 5 puer E 5 AWA BLM18PG121SN1D GXSPD LED AIJD 1 GXSPD100 MRXDV PTXEN ERSDV SS 5 Es e le BLM18PG121SN1D 1 60 M om u R C R2 S e ER ER GYSPD lt LED AGT 1 GYSPD100 59 PARXC PTXC REPCLEL SE LED SPD 1 GXFULL p p1 S R8406 auth C8435 C8438 SC GXFULL C Se Sal Zi om SE e Ee Ee ss 25 2K x Pa P d SE 109 GYFULL 4 LED DUP 1 GYFULL 55 MIXD13 PRXD 3 P4IRTAG 1 cas T 22 2222 2 2 22 Vout 1 5 1 R1 R2 25V i LED ADP 0 ENFORWARD 56 JMIXD12 PRXD 2 P4IRTAG 0 NON_LAN2_HUB Er D Du Di GC SS DGND 7 1 2 55 LCRE TXP HLHTZPRXD ELLZLEPMODE T1 EE gt HUB2PHY_TXD1 060000000 e R8484 33 LAN ACTO CO LED AQT 0 BCINDROP 3 54 M R TXD 01 PRXD 0 LEDMODE 0 OHUB2PHY TXDO NON L HUB LED PD 0 MAX1536 2 DVDD18 _ _ Xtal Old LAN LINKO C 53 e Ee oa d LED_DUP O 5 qoe 6 52 1 GO TXENZPI RON A AUE HUB2PHY_TXEN pF CK25MOUT R G PR R K 00 i 50y 363 Place Close To RTL8306 d dd 6 51 HX RX R ae PHY2PRXDV Broadcast strom control enable disable a EE eg Ze E OSC 7 50 DGND_2 e PHY2PRXD3 Backpressur nable disable Xtal matching l ME
24. D D D D D D D D D D D D GE D D GD D D D s a k 2N TU IC6501 AZ1117BH 1 8TRE1 Max 240mA gt 1 8V_TU A Mi ADJ GND 465mA MAX 3 3V_NQRMAL BLM18PG121SN1D a A Co21 Cont C6517 Q Tur 22u E 16V 10V 4 16v 4 Cho Q am em em em am cancum dU Close to the tuner e R6517 1 C6523 C6524 ea OUF 0 luF 10V 16V 150mA MAX 5V NORMAL R6513 0 qa pS C6518 Tess O 1luF 22uF C6520 C6521 ov 22uF 0 1uF H 10v 16V I r Close to the tuner A D D D D D D D D D D D D D D D D D D D D D D D D G D D D amp amp em eum Gum D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D MODEL DATE BLOCK ee SHEET LGE Internal Use Only LVDS LVDS_51PIN P7100 wo Oo al Dei nm N j o wo Oo al Dei w N H FI RE51S HF J R1500
25. Instart menu Menu Network Setup Start Connection Step 4 If the system finds any AP like blow PIC it is working well RE W Wireless IPTIME_hmhm oh Wireless iptime BP Par 4 5 HDMI ARC Function Inspection 4 5 1 Test equipment Optic Receiver Speaker MSHG 600 SW 1220 1 HDMI Cable for 1 4 version 4 5 2 Test method 1 Insert the HDMI Cable to the HDMI ARC port from the master equipment HDMI1 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 14 2 Check the sound from the TV Set H 3 Check the Sound from the Speaker or using AV amp Optic TEST program It s connected to MSHG 600 Cell Line Flow Line Wt Remark Inspect in Power Only Mode and check SW version in a master equipment 5 Check Commercial features Mode Mode info Commercial Feature Ext RJP Name inch SCH EN SPK HDMI Pro ldiom Out 12V Out s LT760H ZA 32 37 42 47 O O o 5 1 External SPK Out Extemal SPK OUT 5 1 1 Equipment amp Condition Jig Speaker out JIG or Oscilloscope Power only mode 5 1 2 Check the speaker out 1 Connect the External Speaker check the sound Connect oscilloscope you can see this waveform Recommended Input signal RF 1K Hz Sing wave LGE Internal Use Only 5 2 IR Out and DC Power Outlet 12V 6 AUDIO output check E es 6 1 Audio input condition Jig comm
26. 0 1uF 16V ng plz 2 Np m e ajo A ojx I z o lala oli 00 LAN DVDD33 Ola dl a l m n ajo ea e o bal eH alala a C9007 mia l m l lxX x a jaimidja D Lut m gt o an Oo o x MIS eS x oO gt D ss a z s 2 a2 o ol 4 ala oja 16V Jogos 4 7K LAN_AVDD33 MDI 0 1 CRS CRS_DV z Ethernet HuB A MDI 0 2 LED1 PHYAD 1 LAND VDD 33 THERMAL A NC_ 3 16 LEDO PHYAD 0 MDI 1 4 PMEB R9029 D gt PHY2HUB CRSDV T NON LAN2 HUB MDI 1 5 IC9000 LED2 PHYAD 2 E e AVDD33 lt r L8201FN ER R9014 0 STHEBNRIAMDI R9038 ues Ju R2913 i lt J ETHERNET MDC NOS C9000 LAN DVDD33 Nc_3 8 PHYRSTB R9030 0 0 1uUF e A e 16v NC 4 DVDD10 NC_5 TXEN R9004 A 7E EN LDO OUT TXD 3 C9010 L m C9011 R90 4 7K TXER TXD 2 Panag spe lu V 1684 NON_LAN2_HUB MII MODE x gt a a oja a o ajo la Gol x E lxfo gt HUB2PHY_TXEN KP SPO S Oo a a2 o F jajajaja HIo aja x OLX x x a x x lt ajajaj d p BB a y a lt HUB2PHY TXD1 m HUB2PHY TXDO a R9016 0 R9007 ESTE x S PHY2HUB REF CLK NON LAN2 HUB LAN DVDD33 _ _ NON LAN2 HUB x cS RMII MODE TOPE OPT LAN DVDD33j 5i C9006 R D Lut pus A 4 7K ievT x ETHERNET RESET gt MAGIC WOL gt PHY_STATE TO SOC MCU 0 c9001 d 0 lurFT Place close at Tov RTL8201FN 1C9000 side NON_LAN2_HUB f 59017 oN gt PHY2HUB RXD1 Ethernet HuB NON LAN2 SHUB R9020 gt PH
27. 2 JACK MMET 3904 NXP bd R3347 HPD DE OPT 5V_POWER m E em om em lt lt lt lt em AAA om e om em em em em em em em em e e e a em om a lt om em lt em lt em e em em e om em R3314 AA 100 DDC SDA 2 JACK SDA R331 100 S W Ir H I I ANN gt ppC SCL 2 JACK E D SCL R3300 0 I I For CEC I NC E HPD CTL Un exo ug qasa HPD CTL CONNECTION 2 i CEC L BO A NEC HPD 1c3301 gt CK _HDM12_JACK 1 TUR NLASB3157DFT2G 3 5V_ST CLK OPT Bl A MTK HPD 341 0 pum IR OUT HDMI1 i I LO cK _HDMI2_JACK SELECT Bl R3376 0 PES HDMI_ARC MTK_HPD e D0 HDMI2 JACK I C3306 I 0 luF vcc GND DATAO R3303 R3300 MTK Recommend O Ohm R3302 27 120K DATAO_SHIEILD SE a O I 8 5 BO R3377 0 Doe DATAO HDMI_HPD_2_JACK lt lt NEC HPD BAT54 80280 D1 HDMI2 JACK From HDMI Connector CEC_REMOTE 5 5 HDMI CEC To NEC DATA1 I I 3300 Q DATA1 SHIELD RUEO03N02 I D1 _HDMI2_JACK HDMI_CEC_FET_ROHM 3375 0 amp Sa we DATA1 D2 HDMI2 JACK OPT I 03300 1 I DATA2 SI1012CR T1 GE3 I a HDMI_CEC_FET_VISHAY DATA2 SHIELD D2 _HDMI2_JACK Lim 2 2 s m m m s a _ Ca L lt lt lt lt w la a m E m m m a m m H S Q s m S DATA2 YKF45 7058V 3808 UI HDMI TH N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECT
28. F9 G1 G9 a a a a Mon a a a a a LC a Ana a v om om e w a a ei e ss si si sg sa a a O 0000000 oO DDR_HYNIX IC704 H5TO2G63BFR PBC M8 A0 Al A2 VREFCA H1 A RVREF2 A A_RVREF3 A 1 4 Os 2 R716 1 5V DDR A ARA 14 B_RVREF8 A B_RVREF7 A3 A4 AS VREFDQ L8 A6 A7 AB A9 A10 AP All A12 BC A13 B2 D9 G7 K2 K8 N1 N9 R1 R9 A15 Al A8 CI C9 D2 E9 ri H2 H9 J1 J9 L1 L9 17 A9 B3 El G8 J2 J8 M1 M9 Pl P9 Bl B9 D1 D8 E2 E8 F9 G1 G9 DDR_HYNIX LG ELECTRONICS Os 1 24 R717 1 5V_DDR A BRA 14 1 5V_DDR A_RVREF2 A 1 5V_DDR A_RVREF3 IC703 1 IC703 2 128M16BP DI DDR_NANYA i A B_RVREF7 ee 0739 RJ24 0 1ur 1 R725 1K c740 1 T0 1uF 1 5V_DDR A 34 SKS 0737 R RT 0 1uF E m R723 IK Lc738 1 Lu IC704 1 NT5CB128M16BP DI DDR_NANYA K4B2G1646C HCKO
29. I USB_DM2 I I lt m USB_DP2 e o S o zb Am eu D GOD lt m ot cao 3AU045 345 ZC H LG MODEL DATE BLOCK s SHEET LGE Internal Use Only Full Scart 3 3V_NORMAL A T12V 10K CLOSE TO JUNCTION e gt SC_DET D4611 D4611 2 D4611 1 04604 MMBT3906 NX 04606 IY 5 6V 5 6V Se 5 6V 0 1uF 04600 ec e BL WE OPT 200pF 200pF S UV ESD_LG1152_SCART ESD_MTK_SCART c 04601 ede E MMBT3 904 NXP 47K 602 LA gt SC CVBS IN akon 60 47uF D4609 D4609 1 D46095 2 ant 5 5V T i 5 5V ze Si N AV_DET OPT 15pF P S ESD LG1152 SCART 7 s ESD_MTK_SCART esse pas DTV MNT_V_OUT COM_GND 75 R4600 H SYNC IN 9 D4610 2 SYNC_OUT 9 5 5y D4610 1 C4605 OPT 7 5 5V 100uF SYNC GND2 E 5pF 16V R4608 ESD_MTK_SCART SYNC_GND1 RGB_IO 2 e sc rs R_OUT 9 D4601 RGB GND 5 6V 4 Es OPT Pon ST D4601 2 E 5 6V 5 6V R_GND T As 200pF 200pF D2B OUT ESD_MTKUSCART ESD_LG1152_SCART G_OUT 9 e SC R D2B IN D4602 D4602 1 G_GND Pd S M PAU OPT 15pF ID 9 ESD MIR SCART B OUT 2 Ej e UD sc c AUDIO L IN I D4603 D4603 1 B GND T5 5v T5 5v OPT 15pF AUDIO
30. N2 B4 P2 BRA 5 BRA 4 pg E R8 BRA 6 BRA 5 P2 WS BRA 7 BRA 6 R8 d T8 BRA 8 BRA 7 R2 A8 R3 BRA 9 BRA 8 T8 29 gt BRA 10 BRA 9 R3 R7 BRA 11 BRA 10 17 El N7 BRA 12 BRA 11 R7 T3 BRA 13 BRA 12 N7 A13 BRA 13 T3 M7 I m M7 M2 BRBAO N8 M2 BRBAL BRBAO BRBA1 xe BRBA2 BRCLKO SC 37 BRCLK1 BRBA2 H R g E7 5 R715 K9 100 K7 BRCKE 5 m L2 BRCLKO BRCKE BROS 1 K1 BRCLK1 12 BRODT BRCS KS K1 S BRRAS BRODT SS K3 3 s BRCAS BRRAS T BRWE BRCAS L3 BRWE T BRREST T2 BRREST F3 BRDQSO ES BRDQSO BRDQS2 BRDQS2 c7 BRDQS1 B7 c7 BRDOS1 BRDQS3 T 7 BRDOS3 E7 BRDQMO D3 BRDQM1 BRDQM2 i BRDQ 0 7 BRD0M3 E3 BRDQ 16 23 FT BRDQ 16 us F2 BRDO 17 xy F8 BRDO 18 Se H3 BRDOTIS S H8 BRDOI 20 Se G2 BRDOI Z21 Se H7 BRDOT22 ES BRDOT23 u BRDQ 8 15 D BRDQ 24 31 23 BRDQ 24 07 C8 BRDOT25 Se 22 BRDOI 26 eg A7 BRDOIZ27 es A2 BRDOT28 P B8 BRDOT29 X2 A3 BRDO 30 En BRDOI 31 Se DDR HYNIX SECRET LGElectronics LET 03 H5TO2G63BFR PBC M8 A0 Al A2 A3 AA AS A6 A7 AB A9 A10 AP All A12 BC A13 VREFCA H1 VREFDQ L8 B2 D9 G7 K2 K8 N1 N9 R1 R9 A15 Al A8 el C9 D2 E9 Fl H2 H9 J1 J9 L1 L9 T7 A9 Bl B9 D1 D8 E2 E8
31. OLLLS9S9SI9SCOIN E LO Oo E x Ka Re lt oO 9x TW LG 6 LIMSVOD 9x 2ZW LG 6 LSHMSVO ES 9x IN SMD GASKET 9 5T LG 6 LEIMSVO j Lao E mq LG G LUMSV 9 VOCOLLCO9SQGN Cx TIN LG S LSHMSV 9 VOCOLLCS9SCN GET LG G LSHMSVO VOCOLLCS9SCN CH Erb LG G LWHMSVO VOCOLLC9SCN L L LG G LHMSVO 04060 CS dd Cx OT LG G LHMSVO VOCOLLOC9SGN Cx 6N LG G LSHMSVO LG G LSHMSVO VOCOLLCS9SCN Ex LON LG S LSUMSVO IEEE lt x 9N LG G LHMSVS lt x SN LS G LHMSVS PA Ex VN LS G LHMSVS LG G Ligen VOCOLICISUN Cx N LS G LUHMSVO elek Cx TON SMD GASKET 5 5 rI f i i i l SS SS LG 9 LHMSVS 90c0LLC9SdN x VvIN LS8 9 LHASVO 90c0LLC9S GIN x 9N LG 9 29895 LG 9 29895 LG 9 LSMSVO G ke LG 9 LUHMSVO SMD GASKET 6 251 gt l i i I i 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 LLI I lt C m E X X 1 LLI C 2 2011 02 09 SECRET LG ELECTRONICS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK s SHEET Y 2 C O A
32. Sal oo oo oo oo 00 oo oo oo on oo 00 00 oo 00 00 oz e e ox roa 003 0 04 0x05 0x06 0x07 0x08 0x09 paolo ee ee ee ee ee ee o te 60 e s gt Ox01 __ 01 03 68 ao 5A 78 0A EE 91 A3 54 4C 99 26 OxO2 OF 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 Ox03 Ot O1 O1 o1 O1 Ot 02 3A 80 18 71 38 2D 40 58 2C 00 1E 66 21 50 BO 51 00 1B 30 pofa fofa sa oTo bos 40 7o 36 0 ao sa 0 oo 0 t oo 00 co FD 00 3 osse 1E 53 10 00 061 20 0 20 20 20 20 9 po A E E C LGE Internal Use Only Reference HDMI1 HDMI3 RGB n the data of EDID bellows may be different by S W or Input mode Product ID EDID Table DDC Function b Serial No Controlled on production line Month Year Controlled on production line ex Monthly 01 01 Year 2012 16 Model Name Hex LGTV MODEL NAME MODEL NAME HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV Checksum LG TV Changeable by total EDID data Digital Vendor Specific HDMI Model name HEX HDMI1 67 03 0C 00 10 00 80 2D HDMI2 67 03 0C 00 20 00 80 2D HDMI3 67 03 OC 00 30 00 80 2D 4 2 White Balance Adjustment 4 2 1 Overview W B adj Objective amp How it works 1 Objective To reduce each Panel s
33. ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only u
34. 0 xd IC9200 A H HIH H H H H H H H H H EOS A WEXS OHTR ons 3 BER UE l p gt a 3235 09239 P co230 09247 c92429 0 1uF II l Wl dp pt ET 4L Se s iu i Hi T m T Im I os oo Yo NH o LI R9258 4 7K Q eros pen Bees gt R9259 4 7K e Cap close to IC R9260 4 7K 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 GElectronics Eri MODEL DATE rj 1G ELECTRONITS SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG Life s Good
35. 27 MTK CORE A AC23 AD24 P23 R24 T24 AC24 AC21 P20 AC20 EFO AC18 P18 AC17 EM AD18 AD23 AL9 VDD3V3 gt AK10 AK9 AK11 H29 J29 H30 J30 G31 G32 R33 E34 DECAP FOR SOC 1 2V_MTK_CORE A HID DEN UCC ifm SS luF nom a 22 7 T luF em0 1uF 1 5V_DDR C508 0 1uF 223 0 1uF HAL C105 LGE2112 DVSS_51 DVSS_52 DVSS 37 DVSS 53 DVSS 107 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 W7 J aa lt Eech a D W gt lt lt al lt ala lt a 4 1 2V_MTK_CORE 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 DV
36. A M BLOCK SHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes A1igBee_ Radio Pulse M HREMOTE OPTION e M REMOTE RX eo M_REMOTE_TX ALL M REMOTE OPTION is e ee ee ee ee nS 3 3V_NORMAL 24800 A 12507WR 08L L4800 M REMOTE 120 ohm 3 3v M_REMOTE AR4 8 0 0 100 GND 0 1uF T 1 1 6 W RX rl gt M REMOTE RX TX a M_REMOTE_TX RESET 2 M_RFModule_RESET DC M RFModule ISP DD E 3D SYNC RF M REMOTE e 3D SYNC RF Only For PDP 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 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics MODEL DATE LG ELECTRONICS GHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes o emm 5 33
37. C ARBA2 ARDOS3 E gt ARDOS3 E ARDOS3 Fog O ARDQS3 ARDQ 24 31 1 1 5V DDR ARDO24 ES ARDQ25 ARA 14b15 2 D7 T ARDQ26 011 IK 0 Log ARDQ28 TK 010 ARDQ29 B7 e T it ARD030 gees R733 ARDQ31 ik M RAE ARA 8 p13 AVDD3V3_MEMPLL gt 0 luF ARA 7 10V Bls A N14 3 3V NORMAL AVDD33 MEMPLL 7 AVDD3V3 MEMPLL BRATS p13 L BLM18PG121SN1D ARA 2 aia R1 DVSS 50 0700 0759 DVSS 48 0 1uF 10uF 10V ARA 0 14 v IC105 LGE2112 RVREF_C RVREF_D P13 G2 li 77 RVREF_C BRDOMO Fe gt BRDOMO RVREF_D BRDQSO gt BRDQSO BRDOSO a gt BRD0S0 BRDQ 0 7 A BRCLKO lt z3 BRCLKO BRDQO BRCLK0 lt BRCLK0 88001 E BRDQ2 v4 J2 BRCLK1 lt vs BRCLKL BRDO3 BRCLK1 BRCLK1 BRDQ4 BRDQ5 P6 A2 1 5V DDR BRCKE CJ BRDQ6 FE He BRDQ7 6 BRODT C H4 D1 RVREF_C 0741 BRRAS C E BRDOM1 FE gt BRDOMI R26 0 1uF BRCAS lt E BRDOS1 FE gt BRDOS1 BRCS C BRDQS1 gt BRDOS1 BRDO 8 15 bd N1 BRDOS SE Js BRBAO lt e 28009 s 1K 0742 3 i 0 1uF ZZluF BRBA1 C SH BRDQLO m E 10v BRBA2 C BRDO11 FE S B T BRDQ12 ei BRA 0 14 BRWE J BRDO13 E 1 5V_DDR BRA 14 L5 BRDO14 E BRAT13 Wa BRDQ15 BRA 12 NS Yi RVREF_D E C743 BRACI Ms BRDOM2 gt gt BRDOM2 BRDQ 16 23 RI 0 1uF BRATIOT ET BRDQS2 gt 88 052 1 E d BRAT 9 M3 BRDQS2 zT gt BRDQS2 BRAT8 Sp BRDQ16 BRDQ17 nee CN Hp BRA 7 L3 ce P2 14 0 1luF luF BRA 6 NA BRDO18 E 10v 1 BRA S WE 380019
38. C8619 330pF IN4 EP C8620 33pF R8629 z 5 6K EXT_SPK_LOUT_MAIN GND R8626 IN3 5 6K EXT_SPK_ROUT_MAIN IN3 R8631 33K R8627 C8618 220K 330pF 0073 Retak C8617 33pF BOSSU 2 2K EXT_AMP_R_IN Lo gt Z Z 22 02000 OPT R8621 470K EXC SPR OWI 3 3V_NORMAL R8612 15K EXT SPK DET JK8600 e oo PEJ029 02 G_SPRING L860 e SER E SPRING 18602 TE R_SPRING L8603 AID T_SPRING L8604 R8617 C8613 R8618 C8614 IK C8616 lt R8619 R8620 B_TERMINAL 470K Z s9pF 470K 39pF ot C8615 MH 39pF OPT OPT OPT OPT es OPT OPT OPT OPT T_TERMINAL o o R8613 1K lt EXT_SPK_R lt EXT_SPK_R EXT_SPK_L EXT_SPK_L EXT_SPK_DET Connected Disconnected High MODEL DATE BLOCK eses GHEET LGE Internal Use Only orcum Uc REAL TIME CLOCK RTC IC8702
39. Flash 4 7K 4 7K M24MO1 HRMNO6TP U J AG AR100 R146 R152 MTK_JTAG T OPT 10K 10K 1K TUM TC8100 R104 MTK_JTAG 4 7K vcc GE EMMC_CLK N m R182 R183 JTRST4 C e e 2 7K 2 7K R174 JTDI lt e 10K sch gt R136 33 TETOS e gt SCL NVRAM 0708 C bd LGE2112 AN JTCLKK e e R137 SEE e SDA NVRAM OPT R1030 KKK gt I2C_SCL4 R143 33 ASA andes R1031 000 33 I2C SDA4 SIR JTCLK gt SOC TX MTK JTAG AM14 AP18 3 3V_NORMAL JTDI Se SOC RX JTDO 4 R144 AR15 AU16 10K JTMS MTK NEC RX AN14 AT16 JTRST MTK NEC TX HDCP EEPROM MICRO E AP12 A35 HD CP EEPROM Vig MEE R145 R149 OSDAO ED Powe gt gt EMMC CMD 24LC16B 10K 10K oscLo POOE MTK_JTAG MTK_JTAG OCEL B34 EMMC_DATA 2 7 AO VCE AP15 UMEN D33 3 3V NORMAL Ss OSDA1 POCEO EMMG DATA 7 Al WP AN15 D29 HDCP_EEPROM_ST N Z V J oscii C DDT Poo EMMC DATA 6 IC100 DD6 M24C16 R 53 Lia Sen AT34 D30 EMMC DATA S 0 iuF MT5369 XTAL IN AUS DDS Pasa EMMC_DATA 4 16V vss SDA MT5369 XTAL OUT lt DD4 EMHC BATAT3 ES NNORMAL 9 II A31 3 AVDD_33SBA DD3 EMMC_DATA 2 R181 4 7K 3 3V NORMAL AK27 B32 ier e AVDD33 XTAL STB DD2 R157 A C116 AH26 A32 4 7K R191 22 AVSS33_XTAL_STB DD1 S I2C_SCL1 0 1uF C32 OPT rae DDO R192 22 e e D32 I2C SDA1 PARB Fa R178 R147 R150 R153 STRAPPING LED PWMO LED PWM1 OPCTRL3 AVDD_33SBA PAGER EMMC_DATA 1 4 7K 1K 1K 1K AK18 C34 OPT OPT OPT ICE mode 27M Serial boot 0 0 0 d us AK17 PP33 VGA STB PAALE 525 BMMC D
40. GND ESD_MTK_SCART O AUDIO_L_OUT m L 3 e gt sc B AUDIO R IN 9 D4604 D4604 1 AUDIO R OUT D LORS m S E EREM opt 15pF ESD_MTK_SCART PSCOO8 O1 e CU sc_ip JK4600 OO sc_L_IN 4 1 D4605 2 D4600 D4605 D4605 1 d 20V 5 6v 5 6V 5 6V T OPT 200pF 200pF OPT ESD_LG1152_SCART D4600 1 D4600 2 ESD MTK SCART EE 20V T 20V 10pF 10pF ESD_MTK_SCART ESD_LG1152_SCART LA gt SC_R_IN D4606 D4606 1 D4606 2 5 6V 5 6V T 5 6V OPT 200pF 200pF ESD_MTK_SCART ESD_LG1152_SCART SCART AUDIO MUTE BLM18PG121SN1D L4600 r TER lt DTV MNT_L_OUT DTV MNT_L_OUT CJ D4607 5 6V T OPT T DEED 04602 I 1000pF 70005 50V 3 5V ST 04602 B BLM18PG121SN1D MMBT3904 NXP L4601 00 nd DTV MNT R OUT E R4625 4 7K D4608 7 L 04603 De 5 6V T c4601 4700pF R4623 OPT 1000pF ech gt La 50V HH SCART_MUTE c DIV MNT_R_OUT lt 04603 B MMBT3904 NXP THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics MODEL DATE LG ELECTRONICS ID E AA DA
41. LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Scart jack is Full scart and support Scart Input 1EA PAL SECAM ATV DTV Out not support MNT Out SVC Control Power outlet RGB Input 1EA RGB BCC Andog D SUB15PIN sss HDMI1 DTV HDMI1 ARC Support HDMI Version 1 4 Support HDCP 8 Audio Input 1EA RGB DVI Audio L R E 9 SPDIF out 1EA SPDIF out EMF DivX HD USB 2EA For SVC download JPEG MP3 DivX HD Ext Speaker out 1EA Ext Speaker out Ext Volume control 1EA Ext volume control HDMI Input 3EA HDMI2 DTV HDMI3 DTV 5 RGB input PC EXE 720 400 31 468 70 08 28321 For only DOS mode Input 848 480 60Hz 852 480 60Hz B 640 480 31 469 59 94 25 17 VESA gt 640 480 60Hz Display EME am man am VEA 4 rozer ae an s0 69664 00000 s wem en a am WX 6 1920 1080 a an mes 00096 Fomo 00000 Copyright O 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 6 HDMI Input 6 1 DTV mode 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 720 576 31 25 SDTV 576P 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P amp mme ap an 7425 mme mme seo a 0 465 mmer FHD model Hz 50 6 2 PC mode 720 400 31 468 70 08 28 321 E HDCP 640 480 31 469 59 94 25 17 VESA HDCP 5 800 600 37 879 60 31 40 00 VESA HDCP
42. NEC H Bl A NVRAM MTK EEPROM SW gt 103809 NLASB3157DFT2G 3 5V ST A SELECT Bl 53892 6 1 gt 12C_SCL5 ON SEMICONDUCTOR vec ANALOG SWITCH GND e 5 2 Tn 0 1uF R3853 TUUS i SCL_NVRAM gt NEC_EEPROM_SCL EAN38256201 R3856 0 OPT 1C3810 NLASB3157DFT2G R3854 SELECT 0 6 1 e 12C_SDA5 ON SEMICONDUCTOR vec ANALOG SWITCH 5 2 03821 T R3855 0 1uF A SDA_NVRAM lt NEC_EEPROM_SDA EAN38256201 Ta R3857 OPT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC MODEL DATE LG ELECTRONICS MODEL DATE e BLOCK s JET LGElectronics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LR amp KEY 3 3V_NORMAL A 3 5V_ST A I_SENSOR 3 5V_ST L410 A BLM18PG121SN1D e TOO es 3 5V_ST P4102 R4101 A R4117 L R4118 C4110 C4109 C4108 12507WR 10L 47K 10K 10K 0 1uF 0 1uF 1000pF
43. NG 0 FACTO F M O D E Data File CMALS_Key_101012DATA20111216 re e LG Electronics Program VER 1 00 H Control Infomation f Une MECA coms 115200005 12Y MTK MAC CI Result Window Downloading Time 00 00 06 gt gt idfile 0 RECE OK 1 06 sec shipping file KT fTool Option f Option Opton4 Opt on5 Options Option F Option Nock 116 8259 12492 23071 1321 r on Status Option 1 Option 2 Main Connection OK COM4 Barcode Connection OK COM2 LPT Connection OKILPT1 Optont I Commercial Tool Option NUM Play Start 3 2 6 Inspection In INSTART menu check these keys LGE Internal Use Only 3 3 LAN Inspection 3 3 1 Equipment amp Condition Each other connection to LAN Port of IP Hub and Jig d qum 3 3 2 LAN inspection solution LAN Port connection with PCB Network setting at MENU Mode of TV Instart gt menu gt Network Setup Setting automatic IP Setting state confirmation gt f automatic setting is finished you confirm IP and MAC Address PCBA JIG Ready IP 192 168 123 254 om 3 4 LAN PORT INSPECTION PING TEST 3 4 1 Equipment setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program P Number 12 12 2 2 Connect SET LAN port PC gt LAN Port SET PC 3 4 2 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 C
44. OPT 13 13 16v 16v 50V 3 5V_ST 14102 OPT I SENSOR I SENSOR IR lt e R4103 A R4113 BLM18PG121SN1D i 47K 100 m HIDE KEY X A e ee e hd R4107 R4114 14103 04100 OPT ee 47K 100 BLM18PG121SN1D R 28C3052 ATK OPT KEY2 e f ON e OPT e C410 C4102 0 1uF 0 1uF D4101 R4108 0 04101 5 6V 3 5V ST e m 33052 D4100 AMOTECH A NON_I_SENSOR e es 5 6V BLM18PG121SN1D E 5 AMOTECH I I I C4103 C4101 C4104 O luF O luF 1000pF 16V 16v 50V OPT R4100 0 Ge 5V ST C4107 D4104 100pF 6V EOS AMOTECH R4126 1 5K LED R e R4130 10K R410 R4131 10K 22 OPT IR OUT RS232C lt e SE _ R4132 I_SENSOR 10K I2C SCL2 e e 04102 OPT 25803052 I2C SCL3 E 100 I SENSOR I2C SDA2 PEE 100 e es I2C_SDA3 R4128 100 R4134 OPT R4133 10K 22 IR_OUT_HDMI1 lt R4136 10K 04103 e 28C3052 R4135 30K Q4104 28C3052 mE 5V ST A R4138 R4137 10K 22 IR_OUT_HDMI2 lt R4140 10K 04105 e 28C3052 R4139 30K 04106 2503052 5V ST A IR OUT CTRL gt e R4142 10K IR OUT HDMIS3 lt R4144 10K 94107 2803052 R4143 30K 04108 2803052 ym IHE 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 IHE CRITICAL COMPONENTS IN THE N SYMBOL
45. RED Color Button on SVC Remote control in If Test is failed Buzzer operates power only Moce E dic Boss f Test is passed GOOD Lamp on and move to next 3 Check the LED of mini jig process automatically LED For IR OUT inspection 7 3 Checkpoint IR Out 47 LED blinking 1 Test voltage GND 1 5KV min at 100mA SIGNAL 3KV min at 100mA 2 TEST time 1 second 3 TEST POINT GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test POWER CORD GND and LIVE amp NEUTRAL 4 LEAKAGE CURRENT At 0 5 mArms 4 Pro Idiom Check 1 Connect the RF Cable 2 Turn to the Pro ldiom channel No 333 3 Check the video amp sound Only displayed at POWER ONLY mode a DIGITAL 96 1 No Program Information Dip 35 Copyright O 2012 LG Electronics Inc All rights reserved a LGE Internal Use Only Only for training and service purposes 8 USB S W Download Service only 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 Download Version High amp Power only mode Set is automatically Download 3 Show the message Copying files from memory AA 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 E TV Software Upgrade E
46. SW8700 Check X8701 Clock Check X8701 application circuit 10MHz or Replace X8701 Check 1C8700 IIC Check IIC line or replace Communication status IC8700 Check IR input state of 1068 700 Check IR board 13pin Re download NEC Micom Copyright 2012 LG Electronics Inc All rights reserved F LGE Internal Use Only Only for training and service purposes 3 Analog RF Video Trouble Shooting guide Check RF cable amp signal Check TU6500 Pin8 Video output Replace Tuner Check IC2404 Replace IC2404 Replace L6502 Check tuner 1 8V power IC6501 2pin 1 8V Replace IC6501 Check MTK LVDS output Replace IC105 Copyright O 2012 LG Electronics Inc All rights reserved 18 LGE Internal Use Only Only for training and service purposes 4 Digital RF Trouble Shooting guide Check RF cable amp signal Check tuner 5V power R6513 Replace IC2404 Check IIC Signal TU6500 Pin 3 4 d TAOS Check DIF Signal TU6500 Pin 10 11 REPAGE 14800 Check X100 and application ae Replace X100 circuit Replace IC105 Copyright 2012 LG Electronics Inc All rights reserved 19 LGE Internal Use Only Only for training and service purposes 5 AV Video Trouble Shooting guide Check input signal format Is it supported Check AC cable for damage For damage or open conductor Check JK4600 Can you see the normal Replace JK4600 waveform Check the input of MTK IC 105 Me
47. has big problem because Main chip MTK have some troubles After checking thoroughly all path once again You should decide to replace MTK or not Copyright O 2012 LG Electronics Inc All rights reserved 22 LGE Internal Use Only Only for training and service purposes 8 Analog RF Audio Trouble Shooting guide Check RF cable amp signal Check TU6500 Pin6 SIF output Replace Tuner Check Audio AMP output L5402 Replace L5402 L5403 L5404 L5403 L5404 L5405 L5405 Replace IC5400 Check C352 SIF signal to IC105 Replace IC105 Copyright 2012 LG Electronics Inc All rights reserved 23 LGE Internal Use Only Only for training and service purposes 9 AV RGB PC Audio in Trouble Shooting guide Check input signal format Is it supported Check AC cable for damage For damage or open conductor E ia Replace JK4600 JK3604 Can you see the normal waveform Check the input of MTK IC 105 Measure waveform at C610 C611 C319 C320 because it s more easy to check Can you see the normal waveform Check Audio AMP output L5402 Replace L5402 L5403 L5404 L5403 L5404 L5405 L 5405 This board has big problem because Main chip MTK have some troubles After checking thoroughly all path once again You should decide to replace MTK or not Copyright O 2012 LG Electronics Inc All rights reserved 24 LGE Internal Use Only Only for training and service purposes 10 HDMI Audio in Tro
48. m x A ap x CLK1 O4 34 CH CLK gt TS S IN 0 CLK 102_29 TP_SOP 04_20 CH_VALID gt TS S IN O0 VAL IO2 21 TP VALID O4 26 CH SOP TS_S_IN SYNC R Q R9223 O 102 17 TP ERR O4 30 CH ERR ATE x9200 Dus i 27MHz 102_41 TP_DATA 7 O4 8 CH DATA 0 a gt TS_S_IN_0_DATA e IO2 36 TP DATA 6 O4 13 CH DATA 1 Ini 1 102_31 TP_DATA 5 04_18 CH_DATA 2 L IUI D co202 E C9204 5 2 R9207 102_25 TP_DATA 4 04_24 CH_DATA 3 10uF E ape 0 1 47K 102 23 TP DATA 3 04 28 CH DATA 4 Zeg 4 3 102 18 TP DATA 2 O4 33 CH DATA 5 de A 102_14 TP_DATA 1 O4 35 CH DATA 6 IO2 8 TP DATA O O4 41 CH DATA 7 22 A Toi 29 02 34 092 R17 PROIDIOM SYSCLKX 01 2 02 33 duy c 01 3 02_32 C9232 0 luF 00 02 43 T I XMARK_1 8V 01 5 02 30 A R9216 ar 02 28 I oi 7 02 27 9203 GE BLM18PG121SN1D 01 8 02 26 E oi 9 i CO I 2 O 2 02_44 00 1 IO1 10 02 24 C9210 Close to IC Se 101_11 oTe 4 7uF En 092 C19 TOL 12 02 22 PROIDIOM SYSCLK D Q Q CLKO 02 20 XMARK_1 8V AH a E LEE IO2 48 RESET 02 19 092 C9 PROIDIOM RESET NN 22 C9234 0 3 3V PROIDIOM R9225 22 03 37 12C SCK 1 O2 16 0 1uF bei A R9211 From soc 12 8CL3 g en 100K I2C SDA3 R9226 22 09 9 4 120 8D EZG Ox47 1 92 15 Q D IC9201 OPT DCLK B3 02 46 La CONF DONE O2 13 Q a 12C SCL2 RD 22 OPT 1 0 oe AZ1117H 1 8TRE1 EH13A Ee EH 9255 14 22 OPT de NCONFIG 2 ECTS Q oil NCE E9 02 11 Se XMARK 1 8V ct Qa A XMARK_1 8V DATAY 1 92 10 e z 101_21
49. path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 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 is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manua
50. z Pal F m P 12V C9114 1 8W A ees 150pF al e 582 15 50V R9107 R9118 R9106 CB3216PA501E 270K 10K 150K e CU o 1 16W 1 16W 15 15 22UH 22uF C9104 20K 25V O 1uF 1 16W 50V 5 P 12V A close IC1800 IC9103 R9103 C9111 16k TPS54327DDAR EP GND EXT5V_CTRL LW POUE 25V J EN VIN m 1 8 EXT 5V a A R9113 R9112 z C9107 56K 11K E o a 5893 0 Luk 15 1 50V 19104 BLM18PG121SN1D c9112 VREGS 3 6uH IF di R C9103 C9101 gt gt m gi 22uF 22uF 16V 16V R9116 12K 1 u sns s 3300pF 50V IHE 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 IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET GElectronics EXT12V CTRL Y coros 470pF Vout 1 R1 R2 0 765 5 03V R9104 43 IC9101 MP5000DQ Lsov R9101 1K ENABY EXTERNAL POWER P 12V EXT 5V EXT 12V A A R9108 R9109 TT 200 2 4K 100K Q lt lt D9101 Y y IC9100 O APX803D29 RILIS RESET 100 e e R9102 1 22K 1 16W e LG ELECTRONICS ln
51. 0 DEMOD_TSSYNC R128 R131 R134 R139 R142 R173S R185 R188 R156 R160 RIGA RS Zeg MTS369_MIVAL_ERR CC CI ADDR 11 32 T31 1 2K 1 2K 2 7K2 2 7K2 2 7K2 2 7K2 2 7K2 2 7K 2 7K 2 7K R1026 0 MT5369 MISTRT Cae 0 CI ADDR 12 H33 1 DEMOD TSVAL A 2 MT5369 TS OUT 0 7 lt CI ADDR 13 L35 N36 ik D 3 CIC gt PCM REG STB_SCL RHO Arts C 12C SCL1 EN F CI ADDR 14 36 T37 R111 3 i 4 CI_TSCLK gt PCM_CE1 STB_SDA I2C SDA1 332 R35 5 CI TSDATAO MT TS SYNC cr SLOT soc OPCTRL 11 SCL B112 133 e gt 12C_SCL2 R1028 e J34 R37 gt PCM WE AAA33 IC106 10K 34 6 CI TSSYNC R36 OPCTRL 10 SDA e 2C SDA2 NLASB3157DFT2G O 5 e j EI PSVaE gt PCM OE OSCL1 R114 AAA23 e gt I2C SCL3 C TOLK SEL Ei e 8 R115 3 T5369_TS_OUT 1 R1024 37 R34 R1005 0 E R116 k POMA Bl SELECT 3 3V NORMAL T5369 TS OUT 2 J36 on PNR usss R32 SOLE SC SLOT gt MOD EMA TS R1006 0 OSCL2 AA gt I2C_SCL4 TS_S_OUT_CLK lt A 020 PVR_TSVAL CI A VS1 R T AAA33 e T5369 TS OUT 3 2337 R33 R1007 0 OSDA2 2C_SDA4 ES i Se PVR TSSYNC em MT5369 TS CLK CI SLOT gt SOC T TS OUT 7 P OSCLO AA gt 12C_SCL5 Seana eee E ER PVR TSDATAO Se R1008 i lt J PCM IRQA R 8 Emm y 2 E OSDAO ESAS o 2C SDA5 l CI_DATA 0 7 CO BRUN LS eS PVR_TSDATA R1001 AAA D gt PCM WAIT OPCTRL 1 SCL R122 3 e gt I2C SCL6 nu E E 22 TE TL a D T5369_TS_OUT 7 H35 N37 _ OPCTRL_0_SDA R123 AAA23 e 12C_SDA6 MT5369 MCLKI C e MT5369_MCLKI_SW GE cm SPI CL Se CI CD2 A SPI_CLK CI CDI
52. 1 12507WR 04L BLM18PG121SN1D C4319 WIFI OTF C4320 16V WIFI 1 OPT RCLAMP0502BA D4300 Pp e e em em e e e D D D D D D D D D D D D D D D G D THE 3 3V NORMAL DVR Ready USB2 JK4303 R4327 10K R4323 OPT 10K IC4303 TPS2554 EF 5V_USB A GND FAULT a 1 10 m lt mai 4 our_2 El e x bs IN 2 OUT 1 3 8 C4323 am D em D TOME Y ILIM_SEL ILIMO Hoy e 4 7 USB OCD1 lt i ek MAX SA USB_CTL1 i e 5 6 i pa o E o o o ES a FESI I EVEN Se ANS A I USB_DM1 B e I E lt m I USB_DP1 o w e o am ao D Oo A O Oma TO SOC SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright O 2012 LG Electronics Inc All Only for training and service purposes IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC rights reserved SECRET LGElectronics USB DOWN STREAM 3AU04S 345 ZC H LG dD D D D D D D D D D D G D G D D D P dD dD D D D D D D D D
53. 1 DU2 DU10 DU2 DU10 Y 2 Y 2 DU3 DU11 DU3 DU11 Y 3 Y 3 DUA DU12 DUA DU12 Y 4 Y 4 DU5 DU13 DU5 DU13 Y 5 Y 5 DU6 DU14 DU6 DU14 Y 6 Y 6 DUT DU15 DUT DU15 Y 7 Y 7 DUS DU16 DUS DU16 Y 8 Y 8 IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LOCK HEET LGE Internal Use Only LG Electronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 5V_ST
54. 2 AF34 AOCLKP DDC SCL 4 JACK C HDMI 3 SCH HDMI 0 RX 2B lt D2 _HDMI2_JACK Mei EII AH35 AO2N HDMI 0 RX C X CK _HDMI2_JACK AF33 P Am34 AO2P DDC_SDA_2_JACK HDMI 0 SDA HDMI 0 RX CB CK _HDMI2_JACK H AD33 EM Dr AO1N DDC_SDA_3_JACK HDMI_1_SDA F27 AB33 KC AE37 MODEL OPT 8 TCONO AO1P Txa4n DOY 12301 T HDMI_2_SDA HDMI_1_RX_0 X DO _HDMI3_JACK E27 DDC_SDA_4_JACK Ee icm om Le 0 3 MODE DTE r3o TOON AQON SDA 4 JP HDMI 3 SDA HDMI 1 RX 0B DO _HDMI3_JACK TXA4P SA 1_Rx_ AD35 MODEL_OPT_10 TCON2 AOOP 1 902 HDMI 1 RX 1 lt D1 _HDMI3_JACK ES R304 AG31 CC AD34 TCON3 5V_HDMI_2_JACK lt Lx HDMI_O_PWR5V HDMI 1 RX 1B lt D1 _HDMI3_JACK R318 OPT 22 B27 AL3 08400 gt DEE 5 1K AE31 um minu AC35 MAIN_AMP_MUTE C TCONA AEAN E 5V_HDMI_3_JACK lt HDMI 1 PWR5V HDMI 1 RX 2 lt D2 _HDMI3_JACK R319 22 A27 AL4 AC31 Ke cw ACSA EXT AMP MUTE TCONS AE4P S TXB4P e HDMI_2_PWR5V HDMI 1 RX 2B D2 _HDMI3_JACK R316 29 Bee SBR CONTROL B28 AL TP304 R307 1K AH31 AE35 EXT_SPK_VOL TCON6 AE3N 5V_HDMI_4_JACK SU HDMI 3 PWR5V HDMI_1_RX_C CK _HDMI3_JACK R317 22 EXT SPK CONTROL A28 AL2 UR CC AE34 EXT_SPK_VOL DER TCON7 AE3P HDMI_1_RX_CB X CK _HDMI3_JACK R347 0 OPT C28 AK3 AG32 icio PANEL CTL TCON8 AECLKN MTK_HPD C 32 ban o HPD 35 inva ete R348 0 OPT D28 AK4 AE3 000 AB ES TCON9 AECLKP HDMI HPD 3 JACK T HDMI 1 HPD HDMI_2_RX_0 E28 AJ3 AC32 pos ncn E MODEL_OPT_2 TCON10 AE2N Z HDMI_2_HPD HDMI_2_RX_0B F28 AJ4 AJ32 AA35 PCM_5V_C
55. 2 E AVDD_33SB A T jm 10uF 0 1uF 10V POWER ON OFF1 3 3V NORMAL A L504 A TP500 3 3V_EMMC 3 3V_NORMAL A A EMMC_VCCQ A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL 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 IH rj u CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes L506 BLM18PG1215N1D BLM18PG121SN1D e TE e C512 C522 0 1uF 0 1uF 16V 16V SECRET LGElectronics 1 2V_MTK_CORE 5600mA C524 jm Weg T 529 10 0538 luF p luF e 0 1uF eg SE 10uF 1 2V_MTK_CORE n em dE qu 1 2V_MTK_CORE 1 A L502 BLM18PG121SN1D 2V_MTK_AVDD A jm i 5V_NORMAL DAC 3V3 A A IC501 AP1117F33G 13 e INADJ GND OUT C526 our 10V R500 1 C540 C544 10uF 0 1uF 10V 16V LG ELECTRONICS IC105 LGE2112 1 2V_MTK_CORE A R7 d U7 GH lt lt ajo o gt p p p p p p p p gt D PPP lS gt a lwjalajw O O CO O os us us is ds ds oo o EN EN EN Ee cl O FU D Q oy V23 W23 K AA23 AC22 1
56. 22 84 EX4 53 11 R P EX P A PANEL_CTL lt Ei R8740 22 P85 EX5 P154 ANI12 POWER ON OFF1 R8741 22 P86 EX6 P155 ANI13 SOC RESETX R8742 22 P87 EX7 P156 ANI14 R876 0 ETHERNET PWR ON OFF lt KEY1 R8743 0 P30 INTP3 RTC1HZ P157 ANI15 88762 0 POWER DET KEY2 EVDD1 AVSS IC8703 3 5V_ST KID65003AF A o jojoj moJ mw o sivolimwijuvjajoejojojolo m jo mO o B uxxxxxxlolto xixix x x slz zs N m m lt lt a aaa a ale ze e B El elole lt lt x 1 o1 0 O A S S S S S S S a 6 Hl gt gt C8708 Dio w o siorvo c j a o r ojo lo s 3 00 VIS Qjam wiwi iwiwvliwiw oe as s5 wm wjoljo s nj A 0 1uF aa lalala a rend bes Bed od olla ups R87008 BIlojajlmim nl nl mia 2 02 0 SN A ON SITS XS DI vill E sr mp A aa S e SS GE ENEE a m sd es AS Sal be 68709 Est R87009 gt bal s NIN aw 0 L E t NI Sei Nja Nl qa NIN alol ojm did 16V s s s il Dal ol ala ANLANLALN xa R87010 El P N A aja ISS RE 4 04 0 CT rS oS om OV eil rt o VO NLANLANLANLN NLN atl a a a mofo H rers HE ppp p e R87011 ala ao m aja iso z 0 pimim nm mrm pc CO oo O co o co m m a lt x m x R87012 6 06 0 p J R87013 EIE i dei m adr d ae 7 07 0 a lt m O D He 6 x D PES He pol n e Fr Ho moo A m z 9 Jl 9 m 5V ST Di a 2 Al 235 gt 6 a GND COMMON 2m m o d H a El 3 5V_ST Ro lt OX oo B Al vy fd x x z H H m A T E
57. 335 MTK Recommend 10 pF s soc For PCB Pattern e H E E Close to MT5369 TP300 sol uzs SC FB SOC p SCART_ROUT_SOC 1P374 COMO SCART LOUT SOC AP31 AT28 x TESTS PBOP AN30 AR28 PROP PCM_5V gt o AP27 GER TRATA YOP v35 AR27 SC_DET 08042 lt soyo OSDA2 332 s OPT AU30 0 R349 y VDACX OUT AP28 AP29 0 R350 VDACY_OUT gt DTV MNT V OUT SOC AR29 S SC_CVBS_IN_SOC AD20 VDD3V 3 AVDD33_VDAC_BG AT30 AD21 For PCB Pattern AVDD33 VDAC AR30 CVBS2P R340 100 C3594 0 047uF AR31 AD19 TU CVBS I CVBS1P AVDD12_RGB AN29 CVBSOP 0361 Lut AP30 A I CVBS_COM AJ22 VDD3V3 AVSS33 VDAC BG D IET PA A AK24 1 210 AVDD33 CVBS 1 AVSS12 RGB 0 1luF AK25 AL24 AVDD33 CVBS 2 AVSS33_VDAC AL25 AVSS33_CVBS_1 zi AM26 AVSS33 CVBS 2 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS LOCK PES 7 3 LGE Internal Use Only IH oP Eri u 3 3V_NORMAL L500 BLM18PG121SN1D ane VDD3V3 60mA C500 VDD3V3 A L501 BLM18PG121SN1D G503 IE C504 m
58. 50 2 02 9 N H 701 22 ASDO 02 47 ADJ GND e A2 d Q d NCEO B12 02 7 s 25 NSTATUS 02 6 a5 A13 as MSELO 313 02_5 MSEL1 ja 02_4 E TCK B14 02_3 GND 22UF DO A15 02 2 e 16V TMS B15 02 1 TDI D13 03_43 c9206 09208 101_1 INIT_DONE cT O3 42 0 lurF 22UF 16V 16V O1 13 c15 03 41 o o1_14 03_40 C9235 En Bi 0 1uF T O1 15 03 39 ga poe AH 7 2S 01_16 H13 03 38 O1 17 E13 03 36 3 3V_PROIDIOM H O1 18 F12 03 35 A OT 9 D15 03_33 R9256 4 7Ky 01 20 D16 03_32 R9 257 4 7K O1 23 EDS 03 31 O1 24 E16 03 30 oi 25 F15 03 29 O1 26 RIS 03_28 3 3V_PROIDIOM E oi 27 03 27 RESET l ET s 10320 oi 30 5 03 25 D9200 duode oi 31 3 03 24 R9202 OPT To SOC 01_32 4 03 23 10K 01_33 2 03 22 PT 092 M16 A ee 01_34 6 CLK2 R9205 PROIDIOM RESETX e e PROIDIOM RESET SOC O1 35 6 C153 o C9203 AA A AA J A QN 00 s m iO HNO m s P iO VON XO QN s QN TMH bh m u w THN 0 ON 0 ox luF QET m Dom m m Hm Z n n m z 1 Z ana 5 ei ET rur fea ef e en aaa ie e a y A DT a e EE EIE PIE e bel d NN III ST T ST ST ST ST ST ST lol ol MI MI MIMI MI oi e 3 3V_PROIDIOM A da qd ala qa qa oO Oo ol O OC OF OF OF BH HB HE a SE el el ee apap apap ay ae ap ee ep apap ap at ap tp lt lt att tl Ol Oo Of o OJ OF OF OF OL MI a ajaja a a a a o maja o A XMARK 1 8V Qo OO moto H H QUO Voto QI OVO e HE EE ee er GE CH 22 092 92 2 32 1 601 32 e OU qoo H QUO O QT OT OWS Qo or
59. 5V OPT DDC CEC GND R3308 100 E E 2 6 DDC CEC GND R3329 199 DDC SDA 3 JACK SDA R3309 100 gt ppc_SCL_4_JACK SDA R3329 100 SEL ppc SCL 3 JACK R3343 0 gt IR OUT HDMI3 SCL R3342 0 MG IR OUT HDMI2 CEC_REMOTE RESERVED ake CEC_REMOTE DDC_SCL_3_JACK gt CK _HDMI4_JAC CEC CLK cK _HDMI3_Jac TMDS_CLK gt DDC_SDA_3_JACK CLK_SHIELD O CK _HDMI4_JAC TMDS_CLK_SHIELD CLK gt CK _HDMI3_JAC D0 HDMI4 JAC TMDS_CLK DATAO gt DO _HDMI3_JAC TMDS_DATAO DATAO SHIELD 5V_HDMI_2_JACK 5V NORMAL 5V HDMI A JACK 5 NORMAL DO D0 HDMIA JAC TMDS DATAO SHIELD A A A A DATA0 D0 _HDMI3_JAC i gt D1 _HDMI4_JAC TMDS_DATAO DATA1 gt D1 _HDMI3_JAC I TMDS_DATA1L N DATA1 SHIELD S lt MMBD6100 D1 _HDMI4_JAC TMDS_DATA1 SHIELD dia Y Wu v y et I H DATA1 gt IAC gt D2 _HDMI4_JAC TMDS_DATA1 o DATA2 gt D2 _HDMI3_JAC I TMDS_DATA2 DATA2 SHIELD LO D2 _HDMI4_JAC TMDS_DATA2 SHIELD DATA2 gt D2 _HDM13_JAC I I I I I I I I I I I I i I I I I I I I i I I I I I I I I I I I I I I I I I I I i 5V HDMI 2 JACK R3316 R3318 1K 4 7K SHIELD C R3317 R3313 93502 BORA HDMI HPD
60. 6 Reference White balance Adj coordinate and color temperature e Luminance 204 Gray 80IRE Standard color coordinate and temperature using CS 1000 over 26 inch A LZ EH CS Cool Standard color coordinate and temperature using CA 210 CH 14 1 LGD LIE hs Ium RPTE 13 000 K 0 0000 0 285 0 002 0 293 0 002 9 300 K 0 0000 0 313 0 002 0 329 0 002 6 500K 0 0000 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 243 2 O S Module AUO CMI Sharp IPS Temp waw 0 002 mm UTE 13 000 K 0 0000 Standard color coordinate and temperature using CA 210 ms 14 by aging time 1 Edge LED models applied only LGD Module in LGERS ove 1 02 279 288 295 308 319 338 3 69 277 205 209 305 317 335 6 3649 272 277 288 287 312 327 8 80 149 270 274 286 294 310 324 9 Overtso 269 273 285 293 309 323 2 Edge LED models applied only LGD Module in LGEKR GUMI wintertime 6 273 278 289 208 313 328 327 8 270 274 286 204 310 324 324 9 269 273 285 203 309 323 323 4 3 Tool Option selection Method Press ADJ key on the Adjustment remote control then select Tool option LGE Internal Use Only 4 4 Wi Fi Test Step 1 Turn on TV Step 2 Select Network Connection option in Network Menu
61. 71B TOOK E Es m R8787 ce R8788 R8789 R8790 R8791 0 1uF i d 10K SES 10K 10K 10K 10K eo o o M lt o x d r Qum emm a a emm Q emm a i Mas d gt F El o o ES 2SA1504S XIX IC x B EN o m E E E elei Lei HANA L oe e o e P8700 T H BE gt N ajaj o D a H MICOM MODEL OPTION 3 5V_ST MS EB ue aeu EE S R8792 R8793 E R8794 E R8795 E R8796 E NS ZD a un o La N Q m sr E 1 A wer ol oi ol ol olala SIN NI nD o al anim s a eloj ev e A e STER a o mu J a ojales ws B B B B B E pa Ve ele my gt m gt opal al bi Gol ed ol pl ajajajaja jaja 7 xx x v e e x 987019 c 08702 mc 08703 Blo 08704 Llc 08705 je D 3 R8718 O Oo o r wo WH MN O O ot o it m QN o MODEL OPTION m a 22 S o o 00 o gt om o o O co co o o b o 0 5 Y D 2 e e D P60 SCLO P140 PCLBUZO INTP6 R8775 22 2 D zi A o CLOCK_SCL e MODEL1_OPT_0 a zi lt lt z P61 SDA0 gt P141 PCLBUZ1 INTP7 R8774 22 o o n n Ss E e ss R8720 22 5715 22 P62 P142 SCK20 SCL20 22 EL AE Y PIN NAME PIN NO HIGH LOW z E T S E 3 POWER_ON OFF2_3 lt vm e 3 WIND E R8778 MODEL1_OPT_2 o MODEL1_OPT R P P S RXD2 SDA x x A POWER ON OFF2 4X e 4 RO 772 22 NEC_DBG_RXD MODEL1_OPT_1 EE R8722 22 P31 T103 T003 1NTP4 5 P144 8020 TXD2 R8771 22 nee DD MODEL OPT 0 80 OPT OPT _DBG_ T 0 M MODEL1_OBT_2 R8723 22 P64 RD P145 T107 T007 S o 2 o ETHERNET MDC Mo i A R8724 22 P65
62. 9 P 9 S P6 M9 P6 ae 29 M10 M10 11 11 M11 11 12 12 C c M12 12 Al e 13 Al 13 C c DAT3 c c 1 c Al x M13 Al SS 13 A2 _ 14 A2 e 14 God C C C DATA C c 2 C A2 E z M14 A2 G 14 A8 a 1 A8 e e 1 T G 2 Gr E EZ C S CS C A9 _ 3 A9 3 CS C CS C C Ce C A9 3 A9 3 A10 _ 6 A10 6 Ce EL Ce Gs C gt EMMC CMD BALL X6 6 7 c x A10 6 A10 6 A ni GT E 67 C C C 8 c All c N7 All g A12 8 A12 8 0_8 C C 8 C e Ca A12 a N8 A12 8 A13 9 A13 SS 9 Ca Ex Ca pu 0 Gx C 10 C A13 N9 A13 9 A14 10 A14 10 c 10 c C 10 C 1 C 11 C A14 z 10 A14 SS C 10 Bl SS 11 B1 11 QE E CI Cc 2 900 32 E B1 11 B1 TT B7 12 B7 12 GC 12 Go C 12 E 3 e C 13 Ez B7 12 B7 12 B8 13 B8 13 C 13 G C 13 c 4 C C 14 C B8 E 13 B8 13 B9 14 B9 14 c_14 C 14 C 5 C C 15 B9 14 B9 14 B10 P1 B10 E P1 C 15 Es C 15 c_ 6 Qi C 16 e B10 P1 B10 P1 B11 P2 B11 P2 C 16 c C 16 C 7 E Cc 17 C B11 ii P2 B11 T P2 B12 _ P8 B12 SS P8 G 17 C ep C x 1 8 C e EMMG CLK BALL 3s C 18 c S B12 P8 B12 ee P8 EMMC VDDI B m P9 B z E P C 18 C C 18 Cc D L A N 9 C 19 B13 P9 B13 P9 O I1 O 1I111 Owe T A SE E um eg 5c EA i uu 0300 Se CG 20 Gx c 20 C B14 P11 B14 P11 c1 P12 01 P12 620 E c 20 c_ 3 c 21 E SS CG 21 cl P12 ci P12 C P13 P C 21 Cc 21 C Just Interal LDO Capacitor DATS gt ES gt 7 c3 E P13 c3 213 c c c7 E P14 c7 Es P14 DUL DUS DUL DUS Y_1 Y_
63. A K North Latin America http aic lgservice com Y Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED LCD TV CHASSIS LD2FF MODEL 37LT 60H 37LT760H ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67659803 1210 REVOO Printed in Korea CONTENTS CONTENTS u 2 BARELY PRECAUTIONS veer 3 SERVICING PRECAUTIONS 4 SPECIFICATION u u u uu uu a asa asas 6 ADJUSTMENT INSTRUC TION otomana as 9 TROUBLESHOOTING GUIDB 55558 uu uuu uuu u u uu 17 BLOCK DIA GIA Moss 26 EXPLODED VIEW eege 27 SCHEMATIC CIRCUIT DIAGRAM eene nnn nnn Copyright O 2012 LG Electronics Inc All rights reserved ae 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 t
64. ADC Calibration 3 1 1 Overview ADC adjustment is needed to find the optimum black level and gain in Analog to Digital device and to compensate RGB deviation 3 1 2 Equipment amp Condition 1 USB to RS 232C Jig 2 MSPG 925 Series Pattern Generator MSPG 925FA pattern 65 Resolution 1080P Comp1 1920 1080 RGB Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 1 3 Adjustment method 1 Adjustment method Don t need to adjust ADC because there is data in OTP and adjusted initially 3 2 MAC address D L Cl D L 3 2 1 Equipment 8 Condition 1 Play file keydownload exe 3 2 2 Communication Port connection 1 Key Write Com 1 2 3 4 and 115200 Baudrate 2 Barcode Com 1 2 3 4 and 9600 Baudrate 3 2 3 Download process Select the download items Mode check Online Only Check the test process DETECT gt MAC gt Cl 4 Play START 5 Check of result Ready Test OK or NG 6 Printer Out MAC Address Label 1 2 3 3 2 4 Communication Port connection Connect PCBA Jig RS 232C Port PC RS 232C Port PCBA RS 237 cable D El Personal Computer E Jig for D L ech x 6 a V Setup Program RA j Lei Waren mtis acd META eo 3 2 5 Download f Product information Test Information Stet IPC Hor Total 7 on 7
65. AP e ui MODEL_OPT_1 LED_PWMO LED PWMO MODEL OPT 2 FHD HD E29 S e gt MODEL OPT 3 S ERROR_OUT m MODEL OPT 3 OPTIC NON OPTIC e 2 82 RESET MODEL OPT 4 MODEL_OPT_3 ATO A M TAM M RFModule ISP O 5 MODEL OPT 4 3D DEPTH 3D Depth IC NON 3D Depth IC MODEL_OPT_7 M ARQ AU20 e MODEL OPT 5 pat ded MODEL OPT 5 z OPCTRL Por OPCTRL 11 SCL AU MODEL OPT 5 DDR DDR 768MB DDR Default X x e o ae _OPT_ x z z MODEL OPT 6 OPCTRL VE OPCTRL 10 SDA H H PCT LAN2_DET e 5M RFModule ISP MODEL OPT 7 MODEL OPT 6 CP BOX Enable Disable n i n a S NON EU OPCTR AP20 S dis ES E _OPT_ a i OPCTR lt 1 sc_ lt lt z S R193 10K AN23 AM18 o e gt MODEL OPT 8 MODEL OPT 7 T2 Tuner Support Not Suppor Tm m m oj s3 OPCTR DSUB_DET F Wed Wed ix als R176 10K AN24 AN19 n1025 100 T x o E n a 9 gt MODEL_OPT_9 MODEL_OPT_8 SE in in I Ia R162 AP23 P E AP19 wie z 5 z q S E iS HEI L OPT S Tuner Support Not Support e 2 HE sldz 10K BOTE O HDMI CEC Wi x gt gt cl A o DE S ME n a H AR23 AR19 OPT 4 E 9 m a i s 5 E T MODEL OPT 10 el xz E Bl RIRS IOK OPCTR MAIN AMP RESET E m m m A MODEL OPT 9 Reserved Default al S grs P xo AU23 AN21 R1015 33 OPT H SS A P fa s N lt ala DE a M RFModule RESETX OPCTR lt J OPCTRL3 Nan D d e s E m 00 M D al S SE a als EE i AT23 AM19 n1009 0 EE SE flor al SH SE EE s a gar wee Zon MO
66. ATREES M ee e gt LED PWMO AA AVSS33_VGA_STB EMMC_CLK gt EMMC CLK cv s ICE mode 27M ROM to Nand boot 0 0 1 A e gt LED PWM1 AM20 __ oPcTRL3 ICE mode 27M Rom to eMMC boot 0 1 0 OPWRSB R155 i VDD3V3 A 10K R148 R151 R154 from eMMC pins share pins w s NAND Mm e A325 R1003 100 BEE 1K 1K 1K AVDD33_PLLGP ORESET e 01001 OPT ICE mode 27M ROM to eMMC boot 0 1 1 c118 AM27 OPT c WMBRSODPINXP e e from SDIO pins 0 luF AVSS33_PLLGP AU21 R158 33 opt IR OPT SOC_RESET A220 D27 R159 4 7K R1002 AVDD10 LDO FSRC WR E 10K I OPT C107 C108 lt 2 2uF 2 2uF AT21 E E 10V 10V sr sc gt STB_SCL CI_ADDR 0 14 lt STB SDA dE SDA R172 22 A CI ADDR O H32 T34 4 DEMOD RST gt PCM RST lt C114 CI ADDR 1 F37 T32 0 1uF DEMOD_TSCLK 16v SOC gt Pro Idiom or CI SLOT E ADDR 2 F36 E T36 SOC P I I2C 1 AMP L DIMMING HDCP KEY s EMO PSD SAG CR I2C 2 T CON TS S OUT VALX CI ADDR 3 G37 U36 E i TS_S_OUT_SYNC lt CI_ADDR 4 G36 DEMOD TSDATAI F733 ques e s S UM TS S OUT DATA ADDR 5 G35 DEMOD She DALES T30 lt 1Ts_s_IN_0_VAL I2C 4 S Demod T2 Demod LNB EET DEMOD_TSDATA3 bz TS S Inn SYNC PS Hen SOC Pro Idiom or CI SLOT X 7 H34 dabcuccd a IN AA I2C 6 TUNER MOPLL T C ATV vien 5 DEMOD TSDATAS MT5369_MCLKI_sw lt CI ADDR 8 L34 bond ona ER v31 CI_ADDR 9 L32 k v30 DEMOD_TSDATA7 SOC CI SLOT CI ADDR 10 33 T35 R1022 0
67. BS JK3602 al R_SPRING Diode hb g SV NORMAT 2F01TC1 CLM97 4F D53624 A 36245 for EMI_Cap hd 5 6V 20 cup T_SPRING 3624 41 SPDIF OUT 0 2 4 E 50V D 35 B_TERMINAL2 OPT vec 5 x R3620 e 259 gos gt T_TERMINAL2 R3615 A x 33 P36 VIN cn DO Pc_L_IN SPDIF_OUT D3613 C3615 4 5 5V 0 1uF Diode_OLD for EMI_Cap opt ES EV m D3625 2 mE D3625 1 ADUC 5S 02 ORS d 5 6V o iat ar leer E 50V a l THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC LGElectronics MODEL DATE 6 ELECTRONICS BLOCK SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes
68. C240 LC2414 2441 3 Ulum Placed on e val Eo pe I0uF el uF TOuF uml 0 uF 3300pr ao Me II amp 1 25V DDR cud be e y 10V 10V 10V 10V 50V kee A a i n d C2405 OPT D ig lt R2 a P et 4700pF L2405 C240 Q7 C24022 c2403 R2402 p R1 3 m 10uF IZl0urF 250 1uF Kan 3 3K 50V e BLMI8PGI21SNID VIN1 ES VFB 10K 16V 16V 16v a 5 T D saisi 3 z 2 OPT 12406 z o fe lt 3 6uH eae lOuF p 1 u A VIN 1 us 277 A Toy vesT 3 VREGS VO Siy THERMAL hg II 06 VIN 2 NR8040T3R6N 438 or C2448 C2418 C2419 17 e 02427 ZA TUF x 2 10uF 10uF 0 1uF 02424 C2425 C2446 C2447 SW2 ss 10V 9 C2404 10K u u 7 GND_1 0 JL O C2434 EE 4 an 10V 10V 16V 1C2403 10uF 10uF 10uF 10uF 16V Si EE TPS54319TRE 02422 10v 10v 10v 10v DEE Pie Y E TR lt 1 BA l Jr ch ch ch ch gt E si len SM EE POWER ON OFF1 S n 3K e c o rr wo RE s re C2426 R2407 C2439 18 50V S y ze l DEE 3300pF S ta x 9 50V PGND2 20 Tu Sch ii 2 5 R2432 e fa gt 1 16W 330K 5 E o AMA fi RI R2431 C2421 3 POND E y En e EUa LOK 4700pF Vout 0 8 gt 1 R1 R2 AN S Jo amp 62437 POWER ONVOFF2 2 w 5 50V lt 0 1UE 3 3V_NORMAL L2411 A e 2uH R2 mL ei C2442 C2444 BA 0 145 22uF 22uF 10V 10V Vout 0 827 gt 1 R1 R2 1 521V L Voutse 0 76340 0017 wvout sot 1l14EBl1 BR2 TH N SYMBOL MAR
69. CB X CK _HDM1I4_JACK AHS AN2 E CH1 AF32 AVSS33 LVDSA BO1P LO TXA1P CI ADDR S TP319 AVSS33 HDMI RX 4 AM3 BOON LO TXAON S TP320 AG7 AM4 CI ADDR 9 ed 36 REXT VPLL BO0P LO TXA0P CIP ADDR TO TP321 N USB_DP1 USB DP PO R343 USB2 W O HUB C37 4 TP322 USB_DM1 USB DM PO 24K AT6 CI ADDR 11 Eis i BE4N e gt TXBAN SADR TIZI TP323 USB Port was changed 4 K AU gt 1P324 D36 BE4P TXB4P SX ADDR IS E USB_DP2 USB_DP_P1 AP6 m 13 USB1 W HUB D37 BE3N gt TXB3N TP325 USB DM2 USB DM P1 AR6 CI ADDR 14 I BE3P gt TXB3P TP326 AP AT13 BECLKN L TXBCLKN WIFI DP USB DP P2 N ARS gt WIFI_DM BUT E BECLKP FE TXBCLKP M A 4 E A BE2N O TXB2N AU4 CH6 ATTA s D BE2P gt TXB2P m USB2SER DP USB DP P3 SC R IN SOC APA VDD3V3 2014 oig BEIN O TXB1N USB2SER_DM USB_DM_P3 sc_L_in_soc DD ARA CH5 For PCB Pattern I 2 BE1P E gt TXB1P D35 BEON gt TXBON AVDD33_USB_POP1 AR3 M CHA gt SCART ROUT SOC AP13 For PCB Pattern BEOP LO TXB0P AVDD33 USB P2P3 gt SCART LOUT SOC GPSDATATOSS C302 AU37 AN35 TUUS 0 1uF 33 i au3s 2INO_R_AADC ARO_ADAC E AVSS33_USB_P 5 2 e E EN mE AINO L AADC ALO ADAC UD EXT SPK ROUT MAIN a AVSS33_USB_P 1 T35 E m 2 USB PC R IN SOC AIN1_R_AADC Sep EPUM CI_DATA 1 TRA 35 AT18 PC_L_IN_SOC ee 20 mE AIN1_L_AADC 1 L TP339 5 W3 RN L_2 AR1_ADAC Ree PCIE11_TXP TXVP_0 T gt EPHY_TDP AU36 Ee SE AM34 CI DATA 2 Sod 1 2V_MTK_AVDD PCIE11_TXN TXVN_O EPHY TDN A
70. CM_IOWR CI VS1 lt 9 0 CI A ADDR 11 CI MDI O0 7 1 CI A ADDR 9 2 CI A ADDR 8 CI MDI O 3 zi CI A ADDR 13 R941 22 4 PCM_OE SI MEI CI A ADDR 14 S a E CI MDI 3 7 22 PCM WE gt PCM IRQA e 7 e C906 H R926 0 OPT 8 R938 0 OPT CI_MDI 4 CI_MDI 5 CI_MDI 6 CI_A_ADDR 12 CI_MDI 7 CI_A_ADDR 7 CITS 608 J CI_A_ADDR 6 R921 22 PCM RST CI A ADDR 5 R922 PCM WAIT4 22 CI A ADDR 4 R920 22 OPT PCM INPACKX CI A ADDR 3 PCM A REG e CI A ADDR 2 CI TS VAL CI A ADDR 1 CI TS SYNC J CI A ADDR O CI_TS_DATA 0 lt 01 2 DATA O GITAS DATA LITICI CI_A_DATA 1 5V_CI_ON aom A CI_TS_DATA 2 lt CI_A_DATA 2 CI_CD2 C R928 100 R937 10K e OPT R925 9 CI_IN_TS_VAL CI IN TS CLK CI IN TS SYNC 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 GElectronics Eri MODEL rj LG ELECTRONICS ik HEE em Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes FROM LIPS amp POWER B D FPo o
71. COLLCOSAUN Dr LON S0COLLC9SGOUNW Ux 9N fe H El Es Wei lt O SO0COLLC9SGIN Dx GN E fe Li El X Rei lt o L LHSMSVO GOCOLLCOSAUN Ux VN EA LO SMD GASKET 7 5T LG L LHMSVO OCOLLC9SCGIN Dx EN LG L LHMSVO OCOLLC9SCGIN x CO LG L LSHMSV9 S0cO0LLC9SdN Px IN CED Ge AA AA AA AA AA AA AA AA AA AA AA O O A p IG L l8NSV9 d I i I I I r Aum Gs G s LG p LIMSVO 35m OIN LG v LIMSVO 5090 T 779800 6N LS P LHMSVO 80cOLLCISUN EI LS LIMSVO SOCOLLCOSAUN LW LG v LIAMSVO 80COLLCISUN 911 LG v LHMSVO SMD GASKET 4 5T iu emm emm emm D D D D D D D D D D D D D D D D D D D D D D D D D D D at P i i i f i r CED Gs GEE G G2 1 LG 8 LHASVO ES GSx V IN LG 8 LHMSVO ERE Gx IN LG 8 LSMSVO poorer Gx ZIN LG 8 LSHMSVO LG 8 LSMSVO OAN Gx 6W LG 8 LSHMSVO I ERE d Sx 8N LG 8 LAMSYD poorer Sx LW LG 8 LSMSVO LG 8 LSHMSVO Gx SW LG 8 LSHMSVO TTM Gx TON LG 8 LIMSVO 7 7 Gx EN LG 8 LSHMSVO SOT Gx CW LG 8 LAMSYD erect tessa Gx TW SMD GA
72. Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 16 4 Press the In start Key on the ADJ remote after at least 1 min of signal reception Then select 7 External ADC And Press OK or Right Button for going to sub menu 5 Press OK in Comp 480i menu 6 Give a 1080p Mode Horizontal 100 Color Bar Pattern to Comp1 MSPG 925FA Model 225 Pattern 65 7 Press OK in Comp 1080p menu 8 Perform 6 and 7 in RGB PC 9 If ADC Comp is successful ADC Component Success is displayed If ADC calibration is failure ADC Component Fail is displayed 10 If ADC calibration is failure after rechecking ADC pattern or condition retry calibration 11 If ADC RGB calibration is successful ADC RGB Success is displayed If ADC calibration is failure ADC RGB Fail is displayed 12 If ADC calibration is failure after recheck ADC pattern or condition retry calibration 9 2 Manual White balance Adjustment 9 2 1 Adj condition and cautionary items 1 Lighting condition in surrounding area surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10 cm and perpendicular of the module surface 80 100 3 Aging time 1 After Aging Start Keep the Power ON status during 5 Minutes 2 In case of LCD Back light on should be checked using no signal or Full w
73. D FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS MODEL onsem SL OEK SHEET Do LGE Internal Use Only p 7 LOCAL DIMMING To LED DRIVER 3 3V NORMAL A LOCAL_DIM P7600 12507WR 08L R7600 10K OPT 9 AR7600 Vaigo 3 3 10K LOCAL_DIM 1 1 6W gt L DIMO SCLK lo L DIMO_MOSI 2C SCL1 A LOCAL DIM 2C SDAl a L DIMO VS LOCAL DIM R7607 4 7K LOCAL_DIM 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 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics MODEL mmm BG ELECTRONICS BLOCK SHEET asss Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes eMMC I F
74. DEL_OPT_10 EPI Support Not Support 0 o o 9 E OPC_EN C R101 100 M24 OPCTR AN20 EXT SPK DET ad GE o D ne 9 ks Mm st LU S E SS SPE Aa DE TU RESET C 2d OPCTR Ge C gt OPCTRL 1 SCH z AM AR z l x 3 z 3 Z MODEL_OPT_4 S2_RESET C OPCTR OPCTRL 0 SDA J Bs z x 2 z 2 x MODEL OPTION 8 is just for CP Box z It should not be a iled at MP e e e e e e e BE THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC WHEN SERVICING IF IS Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS LGE Internal Use Only PLACE AC JACK OL DA 1608 sizs For EMI R314 C319 10uF 16v C300 560p 50v OPT C314 100pF 50v OPT F Hie 1608 sizs For EMI R336 C320 10uF 16v PC L IN R300 470K OPT PC R IN R301 470K OPT 0301 560p 50V DPT Hie C315 100pF 50V OPT F 5V_NORMAL A Ceci mm soe C gt PC R IN SOC
75. DFR PBC 1 5V DDR A e A_RVREF1 ne Lens Rk T0 1uF 1 R707 iK ele 71 4 et 0 1uF 1 5V DDR A SE ue E725 RK 0 1uF 1 R709 1K 0716 d 0 1uF TOTO NT5CB128M16BP DI B RVREF5 B RVREF6 IC702 HCKO K4B2G164 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes A_RVREF4 T gt ARA 14 L F vo _ vil DDR NANYA S B RVREF6 1 5V_DDR A A 207 e709 B RVREFS R Ri 0 1uF A 1 R703 R711 1k Lc710 TS 0 1uF 1 5V DDR I 1 5V_DDR A e 7i DAD o iur is R705 ik 712 18 0 1uF TOTO 1 NT5CB128M16BP DI BRA 14 DDR_NANYA 1701 H5TO2G63BFR PBC VREFCA AO Al A2 A3 AA AS A6 A7 A8 A9 A10 AP A11 A12 BC A13 VREFDQ A15 DDR HYNIX ARA 0 13 gt IC702 H5TO2G63BFR PBC VREFCA V
76. ER CLK Sei Rae n z 2 2K C358 0363 AM10 R371 ipo ee M_ TP30 Be pee 0 01uF luF AOSDATA4 Fc AUD_ PCM REG 1P308 p svT 25 AOSDATA3 C387 C389 C393 C396 gt AOSDZ M T Eus lt PCM_CE1 TP309 Gg lacs Gi L L AUDIAT AN11 Don t use as GPIO pr ZE22prF DEE 1301 6 4 2 2 AN10 OPT OPT OPT ain lt DSUB_G Ed C336 IE AOSDATAL PET zs PCM_WE S luF AN9 e BLM15BD121SN1 z TP311 10v AOSDATAO C335 i Close to Tuner C309 ie R321 T PCM OE 369 T Close to MT5369 RUSA AN25 ns m 5S 02 015 2 ADLC 5S 3 ADCINP DEMOD HSYNC DSUB HSYNC SOC S EV 0 C337 R335 ANAL AT32 AM25 sU A eR SG e e IF_N t ADCINN_DEMOD VSYNC VS AR25 0 01uFg4C366 100 R356 E 73 RP x c310 EE AD22 AR24 0 01uF C367 100 R357 AVDD33_DEMOD GP S L304 1 2V_MTK_AVDD Se E AU24 0 01uFp4C368 100 R358 e e DSUB B4 PCM WAIT 9 p AIN Ej v AP24 0 O1uF 0369 100 R359 s gt C353 SEH AVDD12 DEMOD soG SE agr R320 L 5302 SE IN SOC TEIGE ios 0 1uF 28 VGA_SDA FT RGB DDC SDA 50V TS ADLC 5S 02 015 SC CVBS IN SOC e E uuo dm AM 2 AVSS33_DEMOD VGA_SCL lt RGB_DDC_SCL A 5 5V SC COM SOC TP368 J R332 10K R342 10K AVSS12_DEMOD SC_G_SOC IF_AGC O AT26 e y BS LSL TP369 COML SC_COM_SOC SC_R_SOC TP370 Close to Tuner 047uF AR26 0341 GE PB1P Be sc o soc SC B SOC TP371 0 0413 re prir PE SC_R_SOC SC_FB_SOC TP372 U35 AU26 2060 mas ES Y1P SC_B_SOC DTV MNT V OUT SOC TP373 Ke vaa ARAS C333 C334 C
77. F R8754 10K A S m OPT J 3 3V_NORMAL A xd Jl R A iu LJ x X gt m E a O C Jl OPT e m m m R8702 IC8706 E 22 iok 74LVC1G126 ST 5V O 5 OPT Ay E SH OE T IC8704 R8703 100 SC632ULTRT EP GND gt MTK NEC RX OPT GND c2 1 8 E C8707 y ce lt 2 2uF MH 2 cit 5 EK C24 10V 3 5V_ST C8704 S R87016 0 A rap al 1870 10v ei OUT CIC21J501NE 3 6 PON 08706 IN EN 10uF 4 275mA 5 yu 25 BLM18PG600SN1D 68705 z L8702 22uF DV ON OFF 25V R8704 10K 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 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics LG ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes SMD GASKET Au GP G Ga 1 LG L LSMSVO SOCOLLCOISUN vx V IN LG L LOSS VS SO0COLLCO9SGN Dx TON LG L LHMSVS GOCOLLCOSAUN UV x CUN LG L LHMSVO S0COLLC9SGONW x TIN LG L LHUHMSVO S0CO0LLC9SONW vx 0 IN LG L LSHMSV9 S0cO0LLC9SGdN Dx 6N GOZOLIZISUN Dx 8nN LG L LSHMSVO GO
78. Hja D N QN QN Q AN m m H E a AUTO_NEGO gt lt Hl a mio lt zio B gt mom an Sal ER x aja a Q n T3 El nialaj ni a o m A cm n m m mim o Ei xx a zZ 4 E lt oj gl o gt mH lr D Du Du alIrnna BIB m D D PHY2PRXDV L gt b a E a S E a aja a O z S RS 7 E aa PHEZERXDS un sr o N e ad Wa ag bot Z e A MP20045DQ LF Z AN EET RE S eS Ia Sy OLN o O ER E z 3 J EP GND 3 a foal zs kani as Gg e E ERE EE mu S a d masa PHY2HUB_RXD1 REALTEK_WOL e sE Wi st zl A ala Aa Aa Ajo O D A A sa Oo a m o x gt PHY2HUB RXDO a lla aj RB aja oO A Ip HH HIX x x zl a HTO Io A gt gt EN_AUTOXOVER Wi R8407 v 2ao 25nmjoja o n oja ALO GG MM m m A HA A MIT Mle A ajaj mem w B O H H m qw n x PHY2HUB RSDV lt a ni lt lt a aasia Ala Omal OoOO Ojaja Aa laja a a aal Z i H 8478 Ee VIN 1 EN 10K al o Hn UU Mal UU lajelajajajajaja joa a a ajaja a ajo c al lo aju 33 LAN_ACTO 1 8 zlalalalalalalalzla alajol gt u alujuju ua gt gt gt z gt gt gt lt a sain ial al x m PHY2HUB REF CLK Oo mimm mimim o mim m o a gt eo al al a a x as oO m xs ala ol aa gt ajaja xe NON LANP HUB C8400 z ajajaja 2A a 2 9aala 2aj2 9jajajajajajajajajajalajajajajujojaj aj aja aj o z z GXSPD Slur rM E Ss 100K Ee Place Closed GYSPD p T UAN nato LED ACT 2 P4ANEG c4 oax e NON_LAN2_HUB GXFULL
79. IED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes I IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS W HEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics CI POWER ENABLE 5V_NORMAL A CONTROL Q6201 AO3407A n a 5V CI ON C6202 OPTIO 1uF 16V PCM 5V CTL E 9 R6241 C6207 22K 4 7uF R6221 10V 10K OPT OPT e e jme luF 25V OPT R6242 2 2K C R6223 4 7K B Q6200 bd MMBT3904 NXP R6218 10K E R6248 10K LG ELECTRONICS o Wo we E Option FOR MTK OPE vom FOR LGLLSZ EE T asv S Pi Se e MODEL se DATE s BLOCK SHEET 97 LGE Internal Use Only H NIM for Commercial TU6500 TDSS G101D VO oo o ol D w N H C6501 OP 18pF 50V R6500 E SR I2C SCL 4 OPT C6500 33 AE 18pF Se R6501 R6503 e I2C
80. ION 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 Eri MODEL DATE rj LG ELECTRONICS CHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes RGB DV RGB 5V 5V NORMAL 2 MMBD6100 D3620 ap 1c3600 5 R3642 2 7K 2 7K M24C02 RMN6T R3643 22 RGB_DDC_SCL R3644 22 e RGB DDC SDA DSUB VSYNC OPT e D3615 gt puc 5g 02 OR L 30V T sv oPT DSUB HSYNC OPT OPT D3622 o ADUC 5S 02 ORSL en 5 5v 30v DSUB B4 3 3V NORMAL DSUB G4 R3646 10K DSUB DET 1 5 6V DSUB R C e a x z lt a ajo a z z o la ES olo o o alza o zjajz I Z Sich Iolo mj ajajaja a Wor I I fa gt alo a z o o mz l als al i alol Iz gt faja am Oo mam ola m z m z o oetaja Closed to JACK 9 DB 010 JK3603 SPGO PC AUDIO JK3604 PEJO27 04 D E_ SPRING T TERMINAL1 3A B_TERMINAL1 ee LA PC R IN
81. K 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 Eri MODEL DATE rj 16 ELECTRONICS BLOCK se SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 5V HDMI 4 JACK 5V_HDMI_3_JACK TMDS_DATA2j YKF45 7058V RSD 105156 100 JK3301 UL gt HDMI 2 JK3303 DpC SCL 2 JACK DDC SCH A JACK UI HDMIZ3 F DDC SDA 2 JACK SL DDC SDA 4 JACK e R3310 R3312 5V DMI_3_JA K 5V NORMAL SHIELD 1K 4 7K R3330 R3336 I 1K 4 7K BODY_SHIELD R3311 K R3331 R3307 B d N DOE O e HDMI_HPD_4_JACK DE 03303 p 1K e z Bite RENE LST 3904 NXP HPD E 03301 R3345 y y D3302 MMBT3904 NXP 4 7K HOT PLUG DETECT E R3346 Oo 5V POWER OPT UR d VDD
82. LAN2_DET ON_LAN2_HUB C90 2 5am 1 16W TRIN R9050 0 0 aF 2054 LaN2_HUB 5 C Connected Low High ETNHUB_EPHY_RXIN1 R9062 0 a a a C 9 0 2 2 Ce dr for EMI LAN2 HUB a d d d 0 01u B a S e On 0 01uF Sa E ED ES K De setz a o o Not Connected High Low i go m og OE STE 9 1 16W for EMI Cap for EMI Cap for EMI Cap for EMI Cap a m 5 LP 9005 1 D9007 1 D9009 1 p9011 1 a e e e 68pF 68pF 68pF 68pF LAN_DVDD33 T sov T Sov T Sov 50V R9045 510 0 1 R9057 0 LAN2 Detect LAN ACTIVE Y e ETNHUB DVDD33 NON LAN2 HUB A ASUSE A R9046 510 LAN_ACT COANN A LAN2_HUB R9071 S9 100 OY R9058 0 LAN2_DET lt e LAN_LINK_G e C NON LAN2 HUB TRADE 09002 8 K R9056 0 gt AA a MMBT3904 NXP lt LAN_LINK3 LAN_LINK3 Iu Ud D9001 D9003 S E i iod 30V 39V 1000pF 1000pF ls e r760 H UA 2011 08 26 BLULK SHEET LGE Internal Use Only EXTERNAL POWER OUT 5V 1 2V R9100 18K R9110 100K Switching noige reducing MPS recommend C9113 T 0 1luF 50V IC9102 R911 1 MP4460DQ LF Z EP GND 22 24V I close to pin A SW 1 BST e al 10 D9100 N 2 2 MBRA340T3G Sw_2 S o Wise ER B eer C9110 FN a en 3 3uF 0 lup 50V 50V R9117 COMP FREQ 200K 4 SQ
83. MARK OF THE SCHEMETIC SECRET LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LG ELECTRONICS D4105 CDS3CO5HDMI1 Er GM ok D4106 CDS3CO5HDMI1 3 6V Zener Diode is close to wafer MODEL DATE BLOCK SHEET LGE Internal Use Only USB To SERIAL I F 3 3V_NORMAL 3 3V_USB2SER M_REMOTE 10K A A M_REMOTE eile SC e 006 14301 20pr M_REMOTE BLM18PG121SN1D acd T2 C4311 x4300 20pF 1104313 0 1uF 0 1uF M_REMOTE M_REMOTE Zo lur 16v I ew JI 16v M_REMOTE yw REMOTE aL M_REMOTE R4305 roy TG 3 3V_USB2SER dd OPT 3 3V_USB2SER A ol al e fs SME spo 00 OO fa TESTI e O m Sge THERMAL co i z TESTO iiis S c4310 O C4309 edu 33 roy 0 01uF 0 1uF Ou m x CLKOUT ASS x 25v amp 16V Ll a 1 B3410RH USB2SER DP USB2SER DM M REMOTE DEV R4302 3 SOUT IR_SOUT R4303 33 gt M_REMOTE_TX GND_2 M_REMOTE_DEV co Oo al D w N PR SIN IR_SIN 3 3V_USB2SER A USB2SER_RESET M_REMOTE_RX e emm D A D A D A A D D D D emm emm D D D D emm D D emm D em D D em emm em em A MAX O 4A P430
84. P34 md Y Yu CI_DATA 3 nM AIN2_L_AADC x gt CI_DATA 4 PCIE11 RXN AT36 AM37 TA i 3 AU17 ZJ AIN3_R_AADC AR2 ADAC GI ODAT TDS TP342 VDD3V3 PCIE11_RXP RXVN 1 EPHY RDN AR37 AM33 T 15 C316 AT17 AIN3 L AADC AL2 ADAC 16 TP343 1 RXVP 1 EPHY RDP AR33 CI DATA 0 1uF 4 U24 AIN4_R_AADC 7 TP344 AVDD12_PCIE11 AP32 AM3 6 1 24 2376 Leo R378 CI_DATA 7 H V24 9 AN16 y AIN4_L_AADC AR3_ADAC S TP345 AVDD33_PCIE11 PHYLED1 LL EPHY_ACTIVITY AR36 AM35 LR 19 0308 AM16 AINS_R_AADC AL3_ADAC 0 luF PHYLEDO O EPHY LINK AP37 c398 0399 03001 I w30 z AINS_L_AADC I6 1200pF 1200pF AVSS12_PCIE11 AR35 AG30 TT 1200pF 1200pF AD15 24K R315 AIN6_R_AADC AVDD33_DAC Ir AP36 AF30 136 1 1 2V_MTK_AVDD AIN6_L_AADC AVDD33_DAC1 DAC_3V3 ws PCTELL_REFCKN ipi A _ 1 VDD3V3 AK30 PCIEL1_REFCKP 200012 800 zi dd avsse3_pac D mm Ewan PLACE AT JACK SIDE A e Lean G AD16 10ur AVSS33_DAC1 0 01uF 0 luF AVDD33 COM 10v AL31 O arc AD17 TUNER SIF gt nA C305 C362 S AVDD33 AADC L300 AVDD33_LD C328 Tue AJ28 Y33 0 1uF 286 D Jup AVSS33 AADC ALIN IS e TER DSUB_R SC_ID_SOC TP354 ARI SE GER eye ASPDIFO BLM15BD121SN1 CI CD2 TP355 AVSS33_LD is 227 Y c333 395 A z 1 VMID AADC ASPDIF1 R CI_CD TP356 avss33_com Fee does AR11 R366 100 us a 75 0301 Dee AVSS12 REC f X C352 0 01uF AN28 AP11 R367 100 EE ADLC 5S 02 015 TP357 E I AOLRCK E ERES nya AUD_LRCK 5 5V PCM_IOWR TP358 AMI cara R339 E AOMCLK gt AUD MAST
85. R HVDD33 11g 49 PALNKS Amy S noc RAN EE ENDEFER NOT USED Defer enable disable e ON E m at Buceo zu SE ER AVDD18_1 4g JP4DUPSTA HOME_CRS EN_AUTOXOVER Auto cross over enable disable 8 S 0 0 O c in ma x PASPDSTA ETNHUB AVDD33 27pF Dom xo 47 Raher WOL A ETNHUB_DVDD33 50V T e J x2 46 P4ELCTRL CPU rx TERRUP Tg 0 KEE H a AGND 6 PAMODE Q MOD eet emm Qm emm emm emm a a a a Xtal matching al_ R8420 0 VCTR L P4MODE 44 MOD lt JP 4MODE1 ETNHUB DVDD33 9 REL DTEST2 a3 0 18 7 R8422 08402 68405 C8416 Tes NV 08429 0 DTEST DISDUALMB A MOD 4 DISDUATMIT deles 22uF 0 luF 22uF 0 1uF 0 1uF luF AGND 7 41 4 10V 10V OPT IBREF 40 FRESET ETHERNET RESET IK OPT e e AVDD18 12 3o neun R8455 jg pum ies Tre 1 G oi NM s mo wt o SETGROUP Place Close To RTL8306 N o NS qur or u R8456 1K EA A de ETNHUB DVDD33 PHY2PTXEN lt 4 Nim N st un e ole st ojo re o Q o A ojo lolo l ojo ojo lloro ojo l ow st l sro EIE E x e hg t a eil Di NS Doe a MH coolonaljla o olo H H a a M ololonala o o o o H al a H o lol i a PiB amp R8439 Realtek WOL de alx x x x al alx x x x ajalx x x x aja x x xx alax x x x alH Hu ETNHUB_AVDD18 e lc gt
86. REFDQ A10 AP A12 BC a ann Ana wre o D o moo oo o o oo om o o o Ek Oh Del ned a PRR om A o zi ei e a sg sa sa a sg SS ann o NRO ARA 0 13 N3 ARA 0 ARA 0 N3 27 ARA 1 ARA 1 P7 P3 ARA 2 ARA 2 p3 P8 TEXT ARA 4 P8 ARA 5 P2 R8 s ARA 6 R8 ARA 7 R2 T8 ARA 8 ARA 8 T8 R3 ARA 9 ARA 9 m3 ARA 10 L7 R7 ARA 11 ARA 11 R7 T M7 M2 Mo ARBAO T ARBAO E Ms ARBAL ARCLK1 ARBA Ws ARBAZ ARCLKO ERAS 37 2n R712 RATA E K7 390 58 E ae K9 ES ARGER ARCKE L2 ARCLKO ARCLK1 C gt gt L2 ARCS ARCS KL ARODT El ARODT 53 PE ARRAS ARRAS Pe ARCAS ARCAS L3 JARWE ARWE T2 T2 E ARREST ARREST ARD0S0 ARDQS2 SS G3 A G ARDOSO ARDOS2 c7 c7 3 ARDQS1 ARDQS3 ARDOS1 ARDOS3 E7 E7 S ARDQOMO ARDOM2 o5 2 ARDOMI ARDOM3 ARDQ 16 23 ARDQ 0 7 ott ARDQ 16 E3 ARDOT IT F7 F7 ARDO I8 F2 F2 ARDO 19 F8 F8 ARDOT20 S 83 2800 211 H8 H ARDO 22 G2 G2 S ARDO 23 En H7 ARDQ 24 31 ARDQ 8 15 ARDO 24 55 m 1 ARDOI Z25 C3 c ARDOI Z26 ae c8 S ARDOI Z27 m c ARDO Z8 AT A ARDO 29 E E ARDO 30 EET B8 Pe ARDO 31 e 1 5V_DDR 0720 0722 0724 0726 jm ie aL 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF on ur ji ji 1 1 1 optio 1 5V_DDR Iz E 0721 0723 0725 jm jm ex 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF 0 1uF luF on LORE I I 1 1 ii bli optio BRA 0 13 ns BRATO BRA 0 13 0 Po BRA 1 BRA 0 w3 Al P3 BRA 2 BRA 1 p7 A2 Fo BRA 3 BRA 2 P3 E P8 BRA 4 BRA 3
87. S M5 D12 M5 3 D13 D14 D14 SC A6 E A6 E A6 E A6 A7 E2 A7 E2 A7 E2 A7 C5 E3 05 E3 05 E3 05 E5 E12 E5 E12 E5 E12 E5 E8 E13 E8 E13 ES E13 E8 R810 E9 El4 E9 E14 EMMC CLK e E9 E E9 E10 F E10 F EMMC_CMD SES DAT6 E10 F E10 EMMC RST du zm am F10 F2 F10 G3 F3 G3 G10 F12 G10 F12 G10 F12 G10 H5 F13 H5 F13 H5 F13 H5 J5 F14 J5 F14 c8107 J5 F J5 opr 10pF K6 G K6 G SS S 50V K7 G2 K7 G2 2 K10 G K10 G12 K10 G12 K10 G 27 G 27 G e e P7 G13 P7 G P10 G14 P10 G14 P10 G14 P10 G H H a S m 2 m H2 H K5 D H3 K5 H3 e e K5 H3 K5 H H H12 08100 812 H al Y 5 m N m OPT e0 luF N HEZ H 16v C6 H14 C6 Q H14 G m e D S m EMMC VECO 3 39 EMMC 0 M 0 N 2 gt 3 z I P 33 P J gt E S P3 J3 P3 J3 P5 J12 P J T e Ed P5 J12 P5 U J Gg m i 30 53 E S Fr J13 J13 RA E E RE e gt a q a q 68105 08106 Ss gt s J13 gt y a a a a a a a ee 0 1UF 2 2uF J14 J si E E 16V 10v EG EG gt gt m EMMC_RESET_BALL E6 K E6 E Fr F5 K2 F5 z z 0 310 K3 J10 z 9 K9 2 K9 2 El El z u e e H K9 K12 K9 z 3 X 3 SS Y 4 4 EMMC VDDI Q H X SE gt 02 L C2 L e 02 L G2 D 08104 ne H 2 0 1uF lt L3 gt L3 i U 16v E7 0 L12 E7 L12 e T E7 L12 C4 G5 L13 G5 L13 e G5 L13 E7 H10 L14 H10 L14 e gt EM K8 K8 e gt K8 M H10 U 08102 C8103 C4 2 04 2 5 Zo iur 2 2uFr e ND E Se 3 eis M2 i 16v 10v e N2 M3 N2 0 T N gt A 7 N5 M7 N5 PA 8 PA 8 o S PA M8 PA P6
88. SDA6 470 R6504 33 So close to UNER OO TUNER SIF ecau 7 508 R6510 2012 perallel 0 220 b se of derating 500 MMBT3906 NXP SHIELD E C AC R6507 MMBT39 1K OPT XO 23 VATU R6506 100 100pF S0 1uF 50V 16V NUM 06 NXP gt TU CVBS HD SV 10000 OPT R6511 100K Co5ll 0 1uF 6v T TU_RESET close to Tuner nud R6505 AA oma j should be guarded by groumd IF N L6503 BLM18PG121SN1D A SED THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes tf m 20 06526 C65 p 0 1uF 0 50V 16V es ess a 27 LuF 16V close to Tuner SECRET LGElectronics 1 8V_TU gt IF_P IF AGC 3 Signal Signal should be guarded by ground No via on both of them LG ELECTRONICS Width gt 12mils to Signal Width 12mils Ground Width gt 24mils EU eu D D D D D D D D D D D D D D
89. SE WAFER ANGLE R T 4 DGND PLL 5 ES O O VDR1 al 554 i SPK_L es 05410 GND 1 VECS I5 IB e 6 NT P 7 5 O O d 10V 0 1uF _ 16V DGND 7 AGND SPK L lt 9 e DVDD 8 VDR2 SPK_R eo C5427 ee 05428 Z C5433 SDATA ESTA 10 ur luF AUD LRCH 25V 25V 25V SPK R ee WCK PGND2A C5426 e e AUD LRCK e 22000pF EN 50 BCK OUT2A 2 x AUD SCK s igo SDA OUT2A_1 120 SDA1 gt R5403 100 I2C SCL1 Y osaos 05408 33pF 33pF 50V 50V e e e gt SPK_R rd O AIN m Oral N I GN O e O H ad m m N N Pu VEMM D5402 R5409 R5413 L5402 Oo DD O OO O FR r m m ci NIN 1 CN 12 12 TURON 05438 R5417 3 5V_ST G H EH HI nN ZIni nialralra oer A 00 Bu H H H m ED E E Q Q Q e Z55431 NRS6045T100MMGK EN 0 1uF 5 1K g Q o D I gt gt gt 50 T ur SY t e bd Ow Ow QO OJO i 0n n 05419 c5421 05423 E SON SPEAKER_R R5401 2 gt 2 0 1uF O ERE T 10 L0 85405 05417 50V 50V 35v D5403 Y 50 NRPS VAST TOONE 5439 R5418 gt OOOO rT o e 1 prn R5410 SR5411 0 1uF SLT p 12 12 50V c 100 65404 50V Geh R5400 1000pF a MAIN_AMP_MUTE B Q5400 sov L e e e e gt SPK_R 10K MMBT3904 NXP E e IHE 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 ELECTRONICS MODEL DATE BLOCK eee SHEET ESSENTIAL THAT ONLY MANUFATURES SPECF
90. SKET 8 5 M s GV L4 e LO H El x OLCOLLC9SCIN Tx IN ES o LO EA El Y SvD 9 S UN A vi NI O vi vi NI Tx E TN LO S LWMSVO OLCOLLCS9 SUN Tx TN LO G LWMSVO OLCOLLCS9SCN Tag LI LO G Ligen OLCOLLCO9SGON Tx 0T LO S LHMSVO OLCOLLC9SGON Txr 6 Tx 8 LO G LHMSVO OLCOLLC9SCOIN TSEN LO S LIMSVO OLCOLLC9SCOIN Tx 9N H o LO E El x SVO OLCOLLCS9 SUN Tx SW CG LHMSVOS OLCOLL H o x O A gt HE o LO HE El Ne SvD OLCOLLCS9SCN Tx LO G Ligen OLCOLLCO9SGON EESE HE o LO H El x Ss O OLECOLLCISUN SMD GASKET 5 OT CED AA AA AA AA AA AA AA GP AA AA AA AA AA AA AA AA G A A E o LO E El Y x l S SV25 OLCOLLCOSGQN i l i i r CED Ge G A 1 Fa Hi rl 2 col f a E Al x 03 C lt 0 9x T IN LG 6 LIMSVO OTLLEBTISAN 9x EIN LG 6 LHMSV9 OLLLS9819SCN 9x C TOD OLLLS9819SCN E LO ron E x Ka Re lt O 9x LIN LG 6 LSUMSVO OLLLS81L9S GUN 9x OIN OLLLSS8LI9SCIN LO OY E E m lt Wa 9 x 6IN OLLLSS8L9SCIN 9x 8N LG 6 LEIMSVO OLLLSSLIL9SOIN 9x LW LG 6 LIMSVOD OLLLSS8L9SCIN 9x 9N LG 6 LIMSVOD OLLLS8S98LI9SGONW 9x GNW
91. SS_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 A n 1 5V_DDR a D A D IS E 0 1uF C533 jm ca 547 0 1uF luF 1 luF R6 R20 T20 U20 V20 W20 Y20 AA20 AB20 G16 R21 T21 U21 MET W21 Y21 AA21 AB21 R22 R22 U22 V22 W22 Y22 AA22 AB22 R23 T23 U23 AB23 W6 G17 F25 Y6 E21 F21 L8 T7 D11 E11 D12 E22 F22 G25 AB19 AA19 P22 W19 U19 R19 Y7 AB18 AA18 W18 U18 AAT N22 T8 ws Y8 ET F8 MODEL DATE aHEE T LGE Internal Use Only SC L IN PLACE SC ID AT JACK SIDE SC_CVBS_IN R610 51K 1 16W 1 R613 10K READY FOR FILTER EMI R611 L gt sc ID SOC TR i 120 ohm C601 10pF I OPT jm R604 p m d gt SC CVBS IN IF TU CVBS GG xP 600 LES o0 SC_FB 7 sc FB SOC R609 R608 22 75 1 R623 100 C615440 01uF SC R e e sc amp soc
92. TL C Se TCON11 AE2P Pe HDMI_HPD JACK EDMI_3_HPD HDMI 2 RX 1 a 1 2V_MTK_AVDD O S E m AA34 EMMC_RST C TCON12 AE N HDMI 2 RX 1B AJ2 AA24 AA37 AE1P AVDD12_HDMI_O_RX HDMI 2 RX 2 1 2V_MTK_AVDD AH3 C356 Y24 AA36 AEON AVDD12 HDMI 1 RX HDMI 2 RX 2B AH4 10uF W24 AC37 AEOP 10v AVDD12_HDMI_2_RX HDMI_2_RX_C AG6 AB24 E S 5 AC36 T Se AVDD12 LVDS 1 ATA AVDD12_HDMI_3_RX HDMI_2_RX_CB 2 2 1 2 3 2 RX 3 e CI ADDR 0 14 2350 d se are AVDD12_Lvps_2 Bo4N Foz LO TXAAN CH3 AB29 AK35 0 luF 0 luF AVDD12_VPLL BO4P gt TXA4P AVDD33 HDMI 0 RX HDMI 3 RX 0 lt D0 _HDMI4_JACK AE6 z3 AT1 CI ADDR O VDD3V3 AA29 LT TR PT AK34 AVDD33_LVDSB BO3N O TXA3N GISEDBRDE TP312 AVDD33 HDMI 1 RX HDMI 3 RX 0B DO _HDMI4_JACK 287 AU1 d Y29 AJ35 C347 AVDD33_LVDSA BO3P LO TXA3P GI ADDRIS TP313 aczo AVDD33_HDMI_2_RX HDMI 3 RX 1 La D1 _HDMI4_JACK O Sua AR1 s 2 t2 Fee 2 lu BOCLKN TX 2 e AVDD33 HDMI 3 RX HDMI 3 RX 1B J D1 HDMI4 JACK AJ5 AR2 a CH2 CI_ADDR 3 Gg AJ37 AVSS12 LVDS 2 BOCLKP LO TXACLKP CI ADDR 4 SE HDMI 3 RX 2 D2 _HDMI4_JACK AG5 AP1 y 14 C304 0307 2830 Papas AVSS12_LVDS_1 BO2N gt TXA2N CI ADDR 5 TROTE 0 1uF 0 1uF AVSS33_HDMI_RX_1 HDMI_3_RX_2B XL D2 _HDMI4_JACK AF5 AP2 5 Hn 1uF AD30 AJ33 AVSS12 VPLL BO2P I LO TXA2P CI_ADDR 6 Eo E AVSS33 HDMI RX 2 HDMI 3 BN C LL CK _HDMI4_JACK AES AN1 y 6 A AF31 AK33 z AVSS33_LVDSB BO1N Cream CI ADDR 7 TP318 AVSS33 HDMI RX 3 HDMI 3 RX
93. TNHUB_AVDD18 vr A A ETNHUB DVDD33 ETNHUB DVDD33 R8469 0 OPT LAN_ACT2 e 9 CIS21J121 E L8408 OPT L8404 SH _ LAN ACT3 e CIS21J121 cm Sis re cU 0 x o x z a zo 2 EPHY_RDP lt l e ETNHUB EPHY TXOP3 LAN2 HUB n E Bom A B 0200 C8412 TROP lt lI ETNHUB_EPHY_TXOP2 lt A BIR a al oa LAN_LINKO kd z z 0 1uF SE C8442 Y y z a A 0 1uF R8416 PM AG ay pus 1 LAN2_ HUB 49 9 e KS PASE Z LAN2_HUB o e ES c8420 R8412 L LD8400 LD8403 LD8404 LD8405 corzo E ee s BO WOL i 49 9 ES LAN2 HUB R8428 R8430 R8432 R8433 LAN2 HUB E 330 330 330 330 EPHY RDN lt l ETNHUB EPHY TXON3 i i C8413 TRON e ETNHUB EPHY TXON2 S py ETNHUB DVDD33 0 luF C8443 iE iE DEE LAN LINKO Ll s ALL MAGIC_WOL IN oo LANZ HUB LAN ACTO REALTEK WOL t co 10 sr EPHY TDP lI e OD ETNHUB EPHY RXIP3 8 co EPHY_LINK lt LAN_LINK2 x C8414 Eus TRIP e OO ETNHUB EPHY RXIP2 0 1uF 19 8 08444 EPHY ACTIVITY gt A LAN ACT2 R8418 E 0 1uF PUES gt lano nun ETHERNET MDC LAN2_HUB R8429 R8431 R8476 R8477 c8421 ETHERNET MDIO 5 R8414 hd 330 330 330 330 Colur 49 9 08447 1 amp R8419 0 luF 49 9 EPHY_TDN II e gt ETNHUB EPHY RXIN3 LAND HUB LAN2_HUB SOC 5 g zo zio To PHY z o 0 C8415 IRIN gt T e gt ETNHUB EPHY RXIN2 a uice SE s DS C8445 Rid 22 lt lt lt O 1luF v v zi v PAN2 HUB ft KA D y PE Place close to chip M M O oO Place to center position between two chips Place close to
94. TV Software Upgrade COMPLETED AAA UPGRADING Ta 33 Do not unplug The TV will restart automatically in Iseconds 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number 9 Optional adjustments 9 1 Manual ADC Calibration 9 1 1 Equipment amp Condition 1 Adjustment Remote control 2 801GF 802B 802F 802R or MSPG925FA Pattern Generator Resolution 480i Comp1 MSPG 925FA model 209 pattern 65 Resolution 1080p Comp1 MSPG 925FA model 225 pattern 65 Resolution 1080p RGB MSPG 925FA model 225 pattern 65 Pattern Horizontal 10096 Color Bar Pattern Pattern level 0 7 0 1 Vp p 9 1 2 Adjust method 1 ADC 480i 1080p Comp1 RGB 1 Check connected condition of Comp1 RGB cable to the equipment 2 Give a 480i Mode Horizontal 100 Color Bar Pattern to Comp1 MSPG 925FA Model 209 Pattern 65 3 Change input mode as Component and picture mode as Standard
95. UART DBG 5 CONNECTION Me DBG_SW CONNECTION I BUA DEBUT NEC A Cbse su L BO A DEBUG NEC MTK D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D H Bl A Debug MTK ag H Bl cA EXT SPK VOL Control R3849 NLASB3157DFT2G 3 eu 3 5V_ST mL vART_DBG_sw 3 6K BOONES 103805 R3844 NLASB3157DFT2G B1 _ SELECT 4 7K EXT_SPK_VOL lt P ean ag ee e ON SEMICONDUCTOR S _ sect ce CE cup ANALOG SWITCH cc MTK_DBG_Tx lt 2 6 2 5 T ON SEMICONDUCTOR ETE ANALOG SWITCH vcc BB 0 luF JK_DBG_TX gt 03814 AD tura EAN38256201 NEC_DBG_TXD 4 lt JK_DBG_TX JES8U EAN38256201 PRT 3 3V_NORMAL E_SPRING t3 SVLST IC3808 pu T_TERMINAL1 R3851 NLASB3157DFT2G 58 8997 103807 3 6K E p R3845 NLASB3157DFT2G 5 B TERMINAL 2 7K _ Bl n OPT SE de EXT_SPK_VOL C eel D3806 R_SPRING I e SELECT ON SEMICONDUCTOR 03817 shv 5 6v MTK_DBG_RX i cup ANALOG SWITCH cc 0 1uF i ON SEMICONDUCTOR 2 5 y T_SPRING ANALOG SWITCH vcc s gt e 23815 Ka B0 A B TERMINAL2 0 1uF JK DBG RX A T OPT NEC DBG RXD ji LD JK DBG RX EAN38256201 03819 e T_TERMINAL2 pP 5 6V 5 EAN38256201 aay OPT NVRAM I2C SWITCH UART_SW2 CONNECTION L BO A NVRAM
96. UTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available dis
97. W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Range In order to prevent saturation of Full Dynamic range and data one of R G B is fixed at 192 and the other two is lowered to find the desired value 3 Adjustment condition normal temperature 1 Surrounding Temperature 25 C 5 C 2 Warm up time About 5 Min 3 Surrounding Humidity 20 96 80 96 4 2 2 Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adjustment Computer During auto adj RS 232C protocol is needed 3 Adjustment Remote control 4 Video Signal Generator MSPG 925F 720p 216 Gray Model 217 Pattern 78 Only when internal pattern is not available Color Analyzer Matrix should be calibrated using CS 1000 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 12 4 2 3 Equipment connection MAP Color Analyzer Pattern Generator RS 232C Signal Source If TV internal pattern is used not needed 4 2 4 Adj Command Protocol Command Format ISTART 6E A 50 A LEN AJO3 A CMD A 00 A JVAL A CS STOP LEN Number of Data Byte to be sent CMD Command VAL FOS Data value CS Checksum of sent data A Acknowledge Ex Send JA 00 DD Ack A 00 okDDX RS 232C Command used during auto adjustment RS 232C COMMAND ID Explantion Begin White Balance adjustme
98. WRO gt P00 TIOO R8770 22 o a J A 8725 22 66 WR1 P01 T000 8769 22 PIT MODEL OPT 1 79 OPT OPT As R P WR R m E 5V_ON OFF lt 8 gt EXT_AMP_MUTE pe R8726 22 P67 ASTB y P02 S010 TXD1 R8768 22 OPT 00 S pH WARM MODE lt gt e R8727 22 P77 EX23 KR7 INTP11 0 P03 SI10 RXD1 SDA10 R8767 22 MODEL_OPT_2 ZS NON CLOCK S EDO ei gm R8752 22 P76 EX22 KR6 INTP10 Pee OO P04 SCK10 SCL10 R8766 55 eeh 28C3875S ALY 28C3875S ALY 25C3875S ALY 2838755 ALY 28C38758 ALY e MAGIC WOL 1 gt NEC EEPROM SCL Q8706 Q8707 Q8708 Q8709 08710 R8765 22 P75 EX21 KR5 INTP9 2 P131 T106 T006 R8777 22 C C C C C REALTEK WOL MES Se 20607 m EXT SPK DET E x la e D R P EX KR4 INTP P R8764 QA122 B 5 B B B B IR 3 E E IN M OM MAIN_AMP_MUTE R8729 22 P73 EX19 KR3 4 E oS E C P20 ANIO Se z ei a ES M a PR P CE ll LED RC R8730 22 OPTP72VEX18 KR2 5 P21 ANI1 E E 2 a E a R8731 22 P71 EX17 KR1 6 P22 ANI2 E TOS 2 S S el S DET o RCM UART SW2 1 r3 ce e ce C R8732 22 P70 EX16 KR0 7 P23 ANI3 co pR r 2 RL ON lt m oo dee 3 5V_ST R8733 22 POG WAIT 8 P24 ANI4 m e m A x A EE 8734 22 5 25 ANI5 E POWER ON OFF2 24 E E s E us EVSS1 P26 ANI6 OPT 3 5V_ST 22 P80 EX0 P27 AN17 R8744 VART_SW1 CO R87015 10K R8736 22 P81 EX1 P150 ANI8 A 8737 22 82 EX2 51 9 OPT R P EX P A R8745 DBG_SW C R8738 22 P83 EX3 P152 ANI10 UNS bein 8739
99. Y2HUB_RXDO s R9066 4 7K R9067 4 7K NON_LAN2_HUB OPT TH SP FILRE AND ELECTRICAL SHOCK HAZARDS Eri u SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR rj IHE Copyright O 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 LED_LAN_NEW JK9001 2 XRJV 01V D12 180 NON LED LAN JK9000 1 BS R430061 NON_LED_LAN JK9001 1 BS R430061 LED_LAN_OLD EMI FAIL LED LAN NEW EMI BETTER NON LED LAN EMI PASS LAN 1 ETNHUB AVDD18 A 9 9 l a PII AUX RJ45 z 2 LED_LAN_OLD SON JK9000 o a w EX o E 43 10013AD11 1 Hd o MTK pin no Status a LANL DET ETNHUB_EPHY_TXOPO lt ET T R9039 A37 Input 49 9 1 C O DL Gee
100. asure waveform at C616 because it s more easy to check Can you see the normal waveform This board has big problem because Main chip MTK have some troubles After checking thoroughly all path once again You should decide to replace MTK or not Copyright O 2012 LG Electronics Inc All rights reserved 20 LGE Internal Use Only Only for training and service purposes 6 HDMI Video Trouble Shooting guide Check input signal format Is it supported Check AC cable for damage For damage or open conductor Check JK3301 JK3302 JK3303 Replace JK3301 JK3302 Can you see the normal waveform JK3303 Check HDCP key NVRAM IC100 Power amp I2C signal Replace IC100 Check the input of MTK IC 105 Measure waveform at R323 R324 because it s more easy to check Can you see the normal waveform This board has big problem because Main chip MTK have some troubles After checking thoroughly all path once again You should decide to replace MTK or not Copyright O 2012 LG Electronics Inc All rights reserved 21 LGE Internal Use Only Only for training and service purposes 7 RGB PC Video Trouble Shooting guide Check input signal format Is it supported Check AC cable for damage For damage or open conductor Check JK3603 Can you see the normal waveform Replace JK3603 Check the input of MTK IC 105 Measure waveform at R323 R324 because it s more easy to check Can you see the normal waveform This board
101. charging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright O 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 sol der removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads 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
102. chip LD8401 LD8402 LD8406 LD8407 Place to center position between two chips 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 SECRET s ELSE D ee Ec JE LG ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes IH SPE Eri tj 12 p9 18 sfhppr m chmpc THE rikfer Go N I EXT SPK OP AMP OP_AMP_BCD IC8602 AS324MTR 1 SCART_AMP R8635 2 2K DTV MNT_L_ouT lt _ ur TMp SCART_AMP SN CLOSE TO MTK Toum a pos abia w lt lt lt em em em em lt lt 16V 470K OUT1 OUTA c8624 1 33pF lt CART_AMP QUE SCART AMP R8633 10K OP AMP AUK IN1 INV_IN1 INV_IN4 EN TER 330pF 55K 12V SCART_AMP A R8643 i NON_INV_IN1 NON_INV_IN4 5 6K IN1 SCART Lout Rom S VCC GND VCC e NON_INV_IN2 NON_INV_IN3 09025 R8644 0 R8642 5 6K IN2 SCART AMP S 0 1uF SCART Rout SCART_AMP SOY C8626 R8637 INV_IN2 INV_IN3 330pF 220K IN2 SCART_AMP H R8639 33K OUT2 OUT3 OUT2 L C862744 33pF R8646 a eege ee ee m TOR SCART_AMP SCART_AMP SCART_AMP R8634 22K e DTV MNT_R_ouT C T C8622 p 8641 10uF 470K 16V SCART AMP EXT SPK AMP 5V_SUB_AMP
103. ercial check JIG 4 RF input M 1 KHz si ausi AO Mision Special 232C Cable for commercial check Jig KAT npurl Mong vos dd de EE Power only mode 2 CVBS Component 1 KHz sine wave signal 0 5 Vrms 3 RGB PC 1 KHz sine wave signal 0 7 Vrms PCB mode instart menu gt menu gt Configuration Setup gt RS232 DC Power Outlet a 6 2 Specification 2 Check the power out amp IR out commercial checkjig Ce nin me we m Rem 1 Connect each other RS232c port on the Commercial Au dio practical max Output 9 0 10 0 12 0 Measurement condition Check JIG L R Distortion 10 max 8 5 89 99 Wane Zone Voice Off 2 Press RED Color Button on SVC Remote control in EU SE power only mode or PCB mode 3 Check the LED of jig board 12V LED OK condition Turn On T GND and HI POT Test IRLED OK condition blinking 7 1 GND amp HI POT auto check preparation 1 Check the POWER CABLE and SIGNAL CABE insertion condition 12V Power Outlet 2 LED ON 7LED blinking 7 2 GND amp HI POT auto check 1 Pallet moves in the station POWER CORD AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 GND Test Auto f Test is failed Buzzer operates f Test is passed execute next process Hi pot test 3 Check the power out amp IR out mini jig Remove A V CORD from A V JACK BOX 1 Connect mini jig on RS232c port 5 HI POT test Auto 2 Press
104. he servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect the receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1 W keep the resistor 10 mm away from PCB Keep wires away from high voltage or high temperature parts Before returning the receiver to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return
105. her than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LCD TV used LD23E 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 x 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 pr
106. hite pattern 9 2 2 Equipment 1 Color Analyzer CA 210 NCG CH 9 WCG CH12 LED CH14 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remote control 4 Video Signal Generator MSPG 925F 720p 216 Gray Model 217 Pattern 78 9 2 3 Adjustment 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 3 Press ADJ key EZ adjust using adj R C 6 White Balance then press the cursor to the right Key P When Key P is pressed 216 Gray internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the rest will be lowered to meet the desired value 5 Adj is performed in COOL MEDIUM WARM 3 modes of color temperature f internal pattern is not available use RF input In EZ Adj menu 6 White Balance you can select one of 2 Test pattern ON OFF Default is inner ON By selecting OFF LGE Internal Use Only TROUBLESHOOTING GUIDE 1 Power Up Boot Fail Trouble Shooting guide Check P2401 All Voltage Level 3 5V 12V 24V RL ON signal OK Replace Power Board Check Q2407 output Check Q2407 application circuit Voltage 12V Or replace Q2407 Replace Cable Check LCD Module Control board 2 No OSD Trouble Shooting guide Check P2401 All Check power connector and Voltage Level 3 5V 12V 24V RL ON signal OK RE mdi Check switch
107. l and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precau tions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board 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 96 99 96 strength CA
108. ng on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright O 2012 LG Electronics Inc All rights rese
109. nt Gain adjustment internal white pattern Gain adjustment completed Offset adjustment internal white pattern w O 2 Offset adjustment completed End White Balance adjustment wb ff I internal pattern disappears Ex wb 00 00 gt Begin white balance auto adj wb 00 10 Gain adj ja 00 ff gt Adj data jb 00 cO wb 00 1f Gain adj completed wb 00 20 Start wb 00 2f end Off set adj wb 00 ff End white balance auto agj LGE Internal Use Only Adj Map o ee ems oem lower caseASCII Hex pe ID AR A EN Se Gem h CIC AA coy Bean j fi 00 co o eco Bew III Rean a 0 0 Gain b olo Medium Ben U fe 0 co Rut pop 9604 Il po j Bew po Roan j 19 00 co 16900 fe 0 0 Boan Jolo Rut po L ecoa Warm 4 2 5 Adjustment method 1 Auto WB calibration 1 Set TV in ADJ mode using P ONLY key or POWER ON key 2 Place optical probe on the center of the display lt need to check probe condition of zero calibration before adjustment 3 Connect RS 232C Cable 4 Select mode in ADJ Program and begin a adjustment 5 When WB adjustment is complete with OK message adjustment status of pre set mode Cool Medium Warm 6 Remove probe and RS 232C cable e W B Adj must begin as start command wb 00 00 and finish as end command wb 00 ff and Adj offset if need 4 2
110. ntil the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remaini
111. o o o o o o enim L eem o so mme dag amem E eo o o 109203 3 9V_RROIDIOM o Eu EE Salas ASN gas o o N N N N N 74LVC1G08GW m OY o a N e st 19 o Oo o o o o og o o N N N N N N N N N N 00 e 1 o 1 oi 1 oi Ho 1 o N N N N N N N N N N N N N N nN E Oo Oo o o Oo o O o Oo O o Oo Oo d a 3 a d LO VO N A A x 0 9 e e m m m m m a R9271 22 x x i D Ge e P 9 e e D e e e 9 e 9 e 9 9 9 9 9 N eil NTN AI Njal o HA d ad ad dad m a mia lt m a mia A aolr oflun st mini a ee aaa Les on Eg dod og gon gd og n qd og pog go non dodo pn god n dog d e o O O o r G 99 A A ajajaj aj poo sr eojaw aOjo ojo rnrjwjv isr o a m o NINI NI CN MOM OO oO Y ST ST ST EIE EEE aj it u A A A H m m mi m HT NTE NP A a a NI SN o o r wm s oijmwmimaljojojolol jol ol jol ol oi oi olo jo o z l gb dou dala ol lo r ug yog gon pn go dp og gy ono dn gy op dog og gogo pog Ig NINININI cs c Oj ojajajajajajajajajajajajljajajailiajajajajajajajajljajajajajljajajlajlajlojojlojojlojojlolojlolojolojolojojolojo lojlolojlojlojlojlojlo 1 O O O O O O O O z z z z z z Oj ojojojojojo jo o oO O OjO OjOjOOj jOj OjJO Oj O O O O O oo o o RARA A RA A i Si gt OP OP OL UL OU OL OT UO UO UO Ol OU UL VI VIO VI VI YU VI VI VU VI VIO VIL UI OUI UI SS gt 1 gt rel el el eye eye ey ere ere ey ey ey ey ey Only Inner Layer GND routing 2 MHz 200ppm IE 3 3V_PROIDIOM a FS ai o
112. oducts is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 Model General Specification Market EU PAL Market 33Countries DTV amp Analog Total 33 countries DTV MPEG2 4 DVB T 33 countries Albania Austria Belarus Belgium Bosnia Bulgaria Croatia Czech Estonia France Germany Greece Hungary lreland Italy Kazakhstan Latvia Lithuania Luxembourg Morocco Netherlands Poland Portugal Romania Russia Serbia Slovakia Slovenia Spain Switzerland Turkey UK Ukraine DTV MPEG2 4 DVB C 33 countries Albania Austria Belarus Belgium Bosnia Bulgaria Croatia Czech Estonia France Germany Greece Hungary lreland Italy Kazakhstan Latvia Lithuania Luxembourg Morocco Netherlands Poland Portugal Romania Russia Serbia Slovakia Slovenia Spain Switzerland Turkey UK Ukraine Broadcasting system Analogue VHF E2 to E12 UHF E21 to E69 CATV S1 to S20 HYPER S21 to S47 Digital VHF UHF DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 Analog Upper Heterodyne 16 QAM 1 2 2 3 3 4 5 6 7 8 Receiving system Digital COFDM QAM 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM Copyright O 2012
113. oie C604 R omg 75 10pF 1 R622 100 C6149 40 01uF sc e gt e sc_G_soc m C605 R 75 10pF 15 R620 100 EET 0 0040 amp gt SC COM SOC 7 R621 100 C6134 40 01uF SC B e lI 7 2 9 B SOC 8607 Zen pube AT 75 TT 10pF 1 P R617 100 C616 40 047uF SC CVBS IN IF l gt sc_cvBs_IN_SOC 12V OPT R630 100K 15K R618 B692 SCART_ROUT_SOC P SCART_Rout 0 12V OPT R627 R63 330pF Opt 100K 50V R628 100K 15K R619 od SCART LOUT SOC P SCART_Lout 0 OPT R603 R629 f 330pF 100K 50V ck READY FOR FILTER EMI C610 10uF 16V R614 ES 0 II gt SC_L_IN_SOC R625 C608 1 16W 30K 100pF 5 R601 C602 50V 470K 330pF OPT 50V OPT C611 10uF 16v R624 0 SC R IN A gt SC_R_IN_SOC R626 C609 1 16w R602 30K 100pF 5 470K SU Er C603 330pF 50V OPT e READY FOR FILTER EMI R600 gt R616 R615 0 C600 C617 DTV MNT V OUT 15 15 1 1 220pF 220pF OP OPT D IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics LG ELECTRONICS MUDEL BLOCK BLOCK E SHEET e LGE Internal Use Only IC701 3 H5TO2G63
114. onnect each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable Ping Test TMP 42 422 fa E J Se m Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 5 Model name amp Serial number Download 3 5 1 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 Instart menu 3 5 2 Method amp notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 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 It is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of Adjustment remote control 2 Go to the menu 7 Model Number D L like below photo 3 Input the Factory model name ex 42LT760H ZA or Serial number like photo IN START Model Number D L SKJY1107 tedio UTT 4 APP History Ver 25682 ye Q Gain lt 5000 LGD ALEF Sp173 KXKKKK Zt 4 Check the model name Instart menu
115. re identified by N 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 Set Stand Stand Base Body Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes org LGE Internal Use Only BAX6C430 790 4 PAXO443420 17122 S Tale Z ESCUDO 2 qul O LA22 gt J LB22
116. rved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections ot
117. s Dor i CI A ADDR 2 CI ADDR 2 OPT PCM_CE2 CT ADDRIS CI ADDRI3 MT5369 MISTRT RS zm lt CI IN TS SYNC PCM_IRQA CL_A_ADDR 4 AR907 0 CEZADDR A TTA za CI A ADDR 5 CI ADDR S5 MT5369 MIVAL ERR CI IN TS VAL CIA ADDRTE CI RDBRTS R909 47 gt MT5369_MCLKI CI_IN_TS_CLK PCM_RST CI_A_ADDR 7 CI ADDR 7 gt PCM_IORD CI_A_ADDR 8 AR908 0 CI ADDR 8 PCM_IOWR CI_A_ADDR 9 CI ADDR 9 Close to MT5369 45 m A Close to CI Slot PCM OE CI A VS1 lt CI VST CI A ADDR 10 CI ADDR 10 OPT CI_A_ADDR 11 CI_ADDR 11 PCM_WE CI A ADDR 12 aR909 0 CI_ADDR 12 R932 22 PCM CE1 gt JENGA REG gt BOM REE CI_A_ADDR 13 CI_ADDR 13 OPT CI A ADDR IA CI ADDR IA C TS OUTPU MT5369 TS IN 0 7 Close to CI Slot CI TS DATA 0 7 T5369 TS 0 ARYOO 47 CI_TS_DATA O T5369 T9 l CI_TS_DATA 1 75369 T9 d CI TS DATA 2 75369 T9 3 CI TS DATA 3 T5369 TS IN 4 28901 47 CI TS DATA 4 T5369 TS 5 CI TS DATA 5 T5369 TS IN 6 CI TS DATA 6 T5369 TS 3 CI TS DATA 7 Close to CI Slot 5V CI ON R915 47 MT5369 TS CLK 4 e CI TS CLK R916 47 MT5369 TS VAL lt lt CI_TS_VAL R917 47 MT5369_TS_SYNC lt lt CI_TS_SYNC ag e as TAE CI A DATA 0 7 7 10v Close to Mi JK900 10067972 050LF 1 100 CI_cb1 C R927 2 CI A DATA 3 e eee CI TS DATA 3 3 CI A DATA 4 CI TS DATA 4 4 4 CI A DATA 5 CI TS DATA 5 4 5 CI A DATA 6 CI TS DATA 6 4 6 CI_A DATA 7 Bi 3 R939 22 TM 29 CI TS DATA 7 4 PCM IORD 942 22 PCM CE2 8 lt cr_A_ADDR 10 P
118. s R9040 0 102 oo ETNHUB EPHY TXONOX e LL LAN1 E GXFUL AN1 DET ETNHUB EPHY RXIPOL gt e R9041 Connected Low High om C901 Gees R9042 Not Connected High Low wiet 49 9 ETNHUB_EPHY_RXINO a a a a d d E T mam ow o O 09021 I gt los o ap CS SASsSch SASS ASSS eat Ke i o se o for EMI Cap for EMI Cap for EMI Cap for EMI Cap on eO E a a d E 29094997 9006 1 9008 1 D9010 1 A e e 18pF 18pF 18pF 18pF ETNHUB DVDD33 4 T sov TES Tiv puts a A EEN m emm wm i emm emm R LAN1 Detect ETNHUB_DVDD33 A GYSPD e md x R9068 SE R9044 510 100 o LAN1_DET lt e TO SOC R9070 Q9001 B K GXFULL MMBT3904 NXP i GXFULL ZD9000 E 5 6B D9000 D9002 9017 09019 30V 30V 7 1000pF 1000pF A s m l cae z A NI A ETNHUB AVDD18 A Aa RJ 45 2 m LED_LAN_OLD a oN JK9001 Cu E X 43 10013AD11 1 o A a Plz Check OPT component s E gt for EMI NON LAN2 Dun d R9047 0 BE ASSIGNED R9059 1 TROP E 10 ETNHUB_EPHY_TXOP1 R9059 0 NW LAN2_HUB eggs 14 LEN 49 9 LAND HUB 5 LAN2_HUB 13 for EMI C9024 MTK pin no Status ON LAN2 HUB eng R9052 0 1 u Femme R9060 1 TRON lt 22948 0 9 LAND HUB y LAN2 DET 10 ETNHUB EPHY TXON1 29060 0 C35 Input 1 168 LAN2 HUB 5 TRIP R9049 0 NON LAN2 HUB e ETNHUB EPHY RXIP1 R9061 O LAN2 HUB for EMI R9053 dc E R9061 1 49 9 LAND HUB R 10 LAN2_HUB 13 LAN_LINK3
119. uble Shooting guide Check input signal format Is it supported Check AC cable for damage For damage or open conductor Check JK3301 JK3302 JK3303 Replace JK3301 JK3302 Can you see the normal waveform JK3303 Check Audio AMP output L5402 Replace L5402 L5403 L5404 L5403 L5404 L5405 L5405 This board has big problem because Main chip MTK have some troubles After checking thoroughly all path once again You should decide to replace MTK or not Copyright O 2012 LG Electronics Inc All rights reserved os LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM Jayeads 169 LINO sAlddS p didd S I B 04 UO2 JO 9 sayeads 1x 00210 Wei Yds 1x3l 1NO Y 1 T44exyeeds 133 0 l l OIpnV Od AH 89M goH Od GH d0 LVICVILE no oipny oepi NO oipny O9plA 71 5 oipny 3 INOA LNW ALLG 11626 m3 83 di oIpny qu 09pIA LAN 0000000000 0000000000 TOM 19189 Y eroJawuog 13 2112391 NI Jeues SL INOOI IN OL jeujeu3 100 lees SL TOMIABEIN LINO 863 19 NI leed 19 UOWWOX 19 4IS INJSBAO 410 LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts a

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