LCD TV SERVICE MANUAL
Contents
1.2. g FLASH DDR MEMORY 10 5 ANU Y x z2 OCMADDR O 21 8 2 5V_DDR_CTZ 2 5V_DDR_CTZ 5VSTCON t1 8V_ADC_CTZ 8 8 161000 11004 gm po uk cc OS Mx29LV320CTTC 706 7 27 we TT 5 a 5VST_Cortez i r pe 1 8V_CORE_CTZ 22 OPT T 2 15 A16 200007 Ie ovos 1 BV_DLL_CTZ 1 48 1 gt AC_DET TOM Lam 14 FSDATAL 14 P4000 if fu T 15 2 47 FSONTA
3. 5V_DVR 161303 11306 1 8V DVRe N 24 256 1 6 MX25L1605AM2C 156 AEO 803 Spes 5V_DVA EAN32215004 _3 EE el ie e M al EE B oarak pu L cer 1 GSP GPT GG 985 o a ett sla p 3 3 Vs s Ax LIN MES 6602039005 12V Wr BE c 3 3V AVDD1 3 _ 02 3 00 PULL UP ICE 1 2 t 2 e 7 PULL DOWN NOMAL MODE 2 3 GN d E 5V_DVA ud TP PP we 2 1 ium 1 3 3V DVR P 5 3 3 3 NSh 3 3V DVR
4. 9V_CXA2069 C WN A A 5 T Wet oe zz 2 m4 DVR MNT OUT DT ias SB se EC C300 301 R36 55 sa Sno 5 55 ii jo 1 638 DPT 22 oo 88 25 22 ae i 11 T i 1339 100 QUT 83 BB 22 83 R40 p BP 1 ga e mu e S5 SW ae BE E 25 ss UE 32 ET MUTE LINE adie ls 3 5 so sg gg SV MSP44504 E 9V_MSP4450 le Q 9 m O 0 n z m w Oo por SCLLA 8315 100 e sc SPOT TSE sss c3 Rui CIN
5. 5V_EPR1 _ 5V_TU T SCART 1 ALN S200T TAFT WOO2 EU le EU NON EU COMMON EU OPT Xx cJ Mx c M ee 1 103 SCART1 VIN ee s lp pA mu C126 18 j 92 gq d at9 20 2 TV_VOUT SCART_AI ga ke 5 ee 7 u SECAM a ve IH HF He CND 1 i 4 8170 1 1 1 SCART 1_FB 1 BOOST 7 16 e 18 5V 15 ge T I SCART_A rios em 04 l SCART G 2 2n gs pia 0207 221 N 2 13 U 8 Or ur 156 i pi 9 SCART1 PVBR G IN I 19 N Li l I SCART_G 1 hd e 20105 x F AGC AF AGC JK104 10 5005 5 _ PPJ206 04 nt t I geo a SCART 11D qu iF STS COM 8 209 212 7214 R200 106 gut ge
6. T r T 2 2 ANNEL WAFER ID ANNEL WAFER UL I I P601 P601 1eV 1oV LCD 1 I i m I I 6620501164 6630501164 l Rae ee I TXCO 2 go TXCO TXC1 TXC2 Hs 2 12V LCD B 1 18V LCD I 1 i us 1 m 1 Par is ORI ION 1 I I 8600 OLCD OPT 8600 OLCO OPT I DISPLAT ENIE T Roi Quid TXCOT TXCO TXC1 TXCLKH M DISPLAY ENAL 1 TC TACO 2 TXC3 1 ai 1 I 8 i I 010 0 2 B602 010 11 I SDA AL 5011
7. 0049 OZI ewou S SAA 00201 01 OLEH 6083 70940 eu ewou Jamod ay o9u5 ON 72049 1ndu eui ewou 00 51 SHA Suesut ejqe3 ON SAAI eui SI vOOLT 109409 Jamod y Y90949 8027 9 p A S JO 9589 U AIDA an 1nduj eui ewou 5 ON amp O6902VXO JO O DIA ewou S V SAA ON PT Uld O0ZNL 1 UN au dino oepiA pejoeuuoo e qe Jeun eui SAA ON dt ejdsip jo eased LGE Internal Use Only 17 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes V se eui JO ndu indui jeuuou S AV opis ejdsip jensnun JO 9582 991 ul V se SAA yf 9U jo ndu 1ndul ewou S o piA S 1891 jensnun JO ased ul 9 V
8. a tue V TERMINATION LUPUS Lose Lome Loves 7 29s Lome lo FSDQM2 800M3 t 1 fF Ty TT TI T T 1 E 2 5V_DDA_CTZ SVREF_CTZ ESCAS 1 logo Ln lon o 8S z FSDATALO 311L aa 7 FSCS0 t ra r p D I T D sata FSADDALO 12 0 FSBKSELO W 4097 c10p9 FSBKSEL1 79 E vit NC 68 68 10 FSNDORIBT 4 16 Emal Wes E FSADOR 7 2 FSADOAL M 6 TSADDR 2 FSADOAISI A gt 68 909 68 SIDES rj e voe 1 a td t leges 0 68 ALS10 68 fev T g 251990 Natt 5 NI SVSTCON 45VST 1 E AL903 68 9934 68 81002 25100 61002 LC1004 zs z FSCKE Ji 2 5 57_ 7 A904 68 FSBKSEL 4 1 Iesu J NENNE FSBKSELO IFSADDAL 0 12 01003 NESDATA ta 8938 A905 68 58 Nene 40 BB res PDA 68 FSCAS wm EB re ok Fac 2 5V DDR CTZ J FSD0S0 Manas FSD0S1 sai FSVREF CTZ SS N E E 90062 P945 68 FSCK NEUE mE FSDQ53
9. 10 A76 33 0 80 3 42 ovs Hee BOOST qoom 1 ares CA 810 10 wa ADATAZO PDAS 095 OCMDATAS rsoatag S 5 3 0 8 11 vi 3b manut 2 FSDATAB y MEDIA DATAIO 7 35 ADATASS mori eal Fever sari 48 A707 33 D GND 13 PME 3 3V_LBADC_CTZ SVREF CTZ 4 ES savas AE OCMDATAO FSDATAG 1 DA E h fron WIK PEDDA RB67 0 va 012 R738 1 FSDATAS Fg MIS I I 1 Ne on Se acu PT Us D mio 8 oe Lye D M LEE eni assa HR eee 4 BV_CORE_CTZ 0 80 18 I i Te de ADATA12 Al 3 1 8 1 D GND 19 MEDIA DATA 3 8871 0 U4 AE14 R741 OPT T _LOMP_SW lt lt 55 250 6210 2 FSDATA1 Nid oUT woRD sEL 51248 __ awe UES est 18 GND RES S eg i fog Feno are 28139 GND E l MEDIA DATA 11 R873 0 Te 014 8743 OPT we 0 2 6 10 4 N13 ROM uan p NNUS lt s weni ae naoa OUTPUT to MIK RB 0 _ gro PEF N15 0 esoave
10. go ANALOG V Y PVE IN SDA L L n l Vat BING ae Lu TO CXA gh gok kg AGND 13495 D 18 mou p 11 neou AV FRONT T 23 0a LINS dae os t 99999999 MNT_LOUT lt M 8 s 2 Aa VINS db N Ca ur Td u amp 1 a MNT ROUT Yours pun MAT S2 2F ma SCART2_ID 5 5 4450 I TES soEBEBE em 408073 12300 P PU LAE cour 15V MSP4450 IEEE 447 lus 1301 __ 321611 2 F244 SCART2 RIN im SEC TIVG MNT_VOUT lt ue Loure 427 Y2 1o t AS _ RE m vespere CXAC0690 e We SCART2 LIN Mm i p 1 9V_MSP4450 E w 5 WU T U tiv 1 SIF_Sub 8 SCART2_VIN eT s le TRAP 45 7 7 52 41 not z x e cour agure a 01502064004 821 6 ct i pa or SCART1 ID Be C401 47997 scamri S RVI mm LX SIF ire m x g vini dm SCART 4 RIN Tnm v Bs 2 q z Bras 49 MAIN OUT TU PIP IN tv e mu xe c AF
11. JDIGITAL EYE im DSUB SDAE soso 224 BL 10 3 3 16 0 90 49 ui BOATAIS LBADC_IN4 JAGC_FB 4 7K PT 0508501 1824 AAPB v 6 10 39 04 120 ICD lt VGAO 10 3 3 17 0 6N0 50 Fus 4 BOATAI2 LBADC INS DISPLAY ENC 8825 22 ves eas spa 1 BV_PLL_CTZ D GND 51 mm 0 RB 0 Yes 10 Tec 100 lt VOM Qe s PATH LBADC INS 45 18 LCD DISP ENC 901 ces a25 e 10 LBADC RETURN d m 13 3V_PLL_CTZ RPLL 18 RPLL AGND 1 E IE li ABC SI SUBC 5 5 ave_soa UR Ee miss E gt anii AGC Selection of source 3 LBADC CT7 RPLL DGND e 7 eel T 2 52 PTAL Q 656 27M DVR 10 TIL osc TOLK ball ACS 2811 02 P4 A748 0 ps Ica Dua EMET 4 Xtal and internal 050 P gorse He Za HOMI CLK 75 6210 15 IPCLKS JFAN ALARM 2 s 1 e BDATAO T 2 RESET PROM PDP LCD MODULE OPTION gt 13 3V_I0_CTZ INCHVSORTS Ext Dimming ETE JE DIMIING T5VST 80A Pant 79 724 C796 2 NE kkk 1 Silo me nu se 830 8 gt 5YS RESET VBR_A DimmingC t m CAT 1 90 EG i
12. SUB_COUTL 8723 56 osu 57 Svar CLKN LV E PDS EBLUS asta ari OCMADDR 4 Fspasi Has EM 50950 AGNO ADC 7 724 Orato tur ico CHaP Lv E PoS EBLUS I eT OcMADDR10 Fspaso 275051 AGND ADC 8 ix mo g t DE 19 m ro CH N LV E PD7 EBLU7 OOMADORG 3 3V_LVDS_CTZ eas soi AGND ADC 9 E OCMADDRB d H26 oe eet 25 m gh m CH1P Lv E PDB EGRNO I mui AS 224 938 ADD E 05 3 3 2 4 12 5V DDR CTZ 1 51 8726 e 717 V o 4uF 5 SYN CH1N LV E PDS EGRN11 1 1 E19 82 1 5 wa LVOS 3 3 3 LVOS GNO_2 25 1 L R79 tou 9 5 AN CHOP LV E PD10 EGRN2 5 A019 OCMADORS 23 EON E Lvns 3 3 4 LVDS GND 3 Fus BIB 65 crs 0 uF e ars N EGENT Gad rao m NT 33 00 5 5 oP I I I I I I I I I I I I I I 13 3V 10 CTZ ir eo CHAP LV O PD12 LEGANA I ocwanpna EIE 3 3V_LVDS_PLL_CTZ Hea LVDS G6ND 5 hoa 3 499 lpg Loree Lene Lore LUBQSE gM Lep gt Len 100 0 4uF AC7 CH4N LV 0 PD13 EGRN5 1 1 1 Abeo OCMADDR2 FSDATA26 aso LVOS PLL 3 3 LVDS PLL GND el FT BET JUF T iuF AUF T ulii AUF I JUF FT 10
13. euuou peog A 94151 Zd 8 A 254 254 esnj y je WOU 5 ON S3A eui yore 19 Zi ewou 1 uoee au SHA AS q pueis 1deoxe u6iH M01 ou eui 1ndino 5 ON ou NSd SI ueej8 31037 1004 8Jeuw 10 09 y SI 2 91O s punos eu eu lt Ajaynulw Hululys eouo 1 LGE Internal Use Only 15 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes y AS q pueig 1deoxe u61H M01 eui indino 5 ewou indino 50029 941 SI OSA 009d lewiou gjqeo eui 1 GOVddd 9U 49949 uo SAPA au SI ye eDueuosip 904 037 1904 ay ejeuw uonipuoo y 2 je pue 050 1 5 e 5 ON LGE Internal Use Only 16 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Jun y 9
14. Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 7 Component Video Input PR No Resolution H freq kHz 2 Pixel clock MHz Remarks 1 720 480 15 73 59 94 13 500 SDTV DVD 4801 525 720 480 15 75 60 00 13 514 SDTV DVD 4801 5251 720 576 15 625 50 00 13 500 SDTV DVD 5761 6251 720 480 31 47 59 94 27 000 SDTV 480P 720 480 31 50 60 00 27 027 SDTV 480P 720 576 31 25 50 00 27 000 SDTV 576 1280 720 44 96 59 94 74 176 HDTV 720P 1280 720 45 00 60 00 74 250 HDTV 720P 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 1920 1080 33 72 59 94 74 176 HDTV 10801 1920 1080 33 75 60 00 74 250 HDTV 10801 1920 1080 28 125 50 00 74 250 HDTV 10801 50Hz 1920 1080 67 5 60 00 148 5 HDTV 1080P 10 1920 1080 56 25 50 148 5 HDTV 1080P 50Hz 8 RGB Input No Resolution H freq kHz 2 Pixel clock MHz Remarks 1 720 400 31 469 70 08 28 32 DOS 2 640 480 31 469 59 94 25 17 VESA VGA 3 640 480 37 500 75 00 31 50 VESA VGA 4 800 600 37 879 60 31 40 00 VESA SVGA 5 800 600 46 875 75 00 49 50 VESA SVGA 6 1024 768 48 363 60 00 65 00 VESA XGA 7 1024 768 56 476 70 06 78 75 VESA XGA 8 1024 768 60 023 75 02 79 50 VESA XGA 9 1280 768 47 776 59 87 80 125 WXGA 42XGA 50 60 10 1360 768 47 712 60
15. OT RY BY 910 4 ume B1004 81008 A18 Ga 3 FSADORTAT mp 16 33 1 1 VBR A Dimmin d Wew mw n 5 Mom 3 3V PLL CTZ 7 5 OPT 0 7 91 l 109 3 3V_LBADC_CTZ 1 VBR B_Dimming 161002 19 JM AES AS 26 ag 50 5VST_Cortez ol anes 3 3V_LVDS_CTZ A4 ICE0016 I T Bi 7 GE po uu M qu we un 13 3V LVDS PLL CTZ GND_1 QW TU 000005 3V 22 27 i i 0 12 al cet L 1 I gomonia 23 26 E FOIE 0 POMES 5V_DDR_CTZ 2 5V_DDR_CTZ 13 3V_IO_CTZ 8910 22 24 25 5VST 10902 HYSDU2B 1622F TP 5 i Er 2205201 m gps dud EAM33010401 13 3V_ON paie ESDATALI6 i fate N or le i ieee dn CL E FSDATALIZI m0 FSDATA 3O OPT E FSDATA 8 29 vot ai 5VST_Cortez 00054 2 5V_DDR_CTZ m E DDR ESDATAL24 1555 FSOATAL26 m x nil E FSDATA 22 FSDATA 25 lit zip V rm H M N A 0 FSDATAL23 T 007 FSDATA 24 1 TH rm N CCOFESDATAL 16 34 beca pesar 50052 wa Wl ELM
16. hooo 50 me 1 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES TE Sam MARK THIS LN EON SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION 1 FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS AND ELECTRICAL SHOCK HAZARDS HEN SERVICING 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR E TAL ARENIS TE SPECT IEP MAC BE USED TOI TTC THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC H M A L H Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes
17. 0 07 1 1 0 1 50 11 da 1AL_OWOFF 2 2 1 I I I I CH30 CHIO CK CHO CH10 CH10 CHO CHAO las I 1 I m I Era a7 CHAO CHAO I I E mH 1 5 1 I M meis I poor rm 1 I T ns I 1 I m a aao oat s I 1 1 I 4 I gor t w 1 mar i i ii TOKE E s EN I he 1 I gt EP d 1 i mer eT x dw 1 d R04 000 07 I 7 3 BACB I 1 i quor 3 3V CD gt F605 QLED OET VBR B Dimning 1 s OLET gt VeA_B_Dimming i a0 1 V8R B Dimni TXC4H 1 VBR_B_D L 15 6 i B Dimming _B_Dimming 1 a ALONFF OPAL I ALOVFFC m em M B E e T FULL I E ae T FULL rola i os i Ext Dimnin 1 Fas xt_Dimmint E Ext Dinmingt Tau n er gt Hm 9 BxDimingl POP FULL HD OPI _ lt ES F615 1 Mu stibe checked 1645 ADOPDP FULL HD CPT Must be checked I SDA Part 1 FEM er T when it s needed I SDA_Pant 1 when it s needed I DISPLAY ENL v DISPLA
18. EEEBEEEE 6 1 2 HDMI 256 Bytes BLOCK1 128BYTE Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 7 ADC Calibration ADC RF AV S VIDEO Component RGB MSPG925FA PAL NTSC Model 217 720P Model 60 INPUT AV3 ZF VIDEO1 MA Pattern 65 1024 768 60Hz SELECT AV1 TB 100 Color Bar Pattern 65 Model 202 Model 201 100 Color Bar PAL BGDHI NTSC Pattern 65 Pattern 65 100 Color Bar 100 Color Bar 24 gt Caution System control RS 232 Host should be PC for adjustment Press the FRONT AV KEY on R C for converting input mode change RS 232 Host pc Band Rate 115200bps 7 1 Adjustment of RF AV S VIDEO Required Equipments Remote controller for adjustment 802F Pattern Generator Master MSPG 925FA etc MSPG 925FA Pattern Generator Which has Video Signal 100 Color Bar Pattern shown in Fig 2 gt Model 202 Pattern 65 Fig 2 7 1 1 Method of Auto RF AV S VIDEO Color Balance 1 Press the FRONT AV KEY on R C for converting input mode Input the Video Signal 100 Color Bar signal into AV Set the PSM to Dynamic mode in the Picture menu Press INSTART key on R C for adjustment 5 Press the p Vol key to operate the set then it becomes automatically 6 Auto RGB OK means the adjustment is completed 2 3 4 7 1 2 Requirement This AV color balance adjustment shou
19. 254 205 THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 5V HD2S0 8V_AD_VD 8V_AD_PVD 3V_HD2SD 3V_AD_OVDD PAETE E E EPET iuf iul 10 iuf TU RUP TU du Aut pu 10 90 0250 i 3 8 10 71 4 4 dag d g 88 S 58 EE 1 BV_AD_PVI al 3V_AD_OVDD 3 3V_HD2SD on 42 5V HD280 T 88 qe uid lt 4444 4244 4 ft 8V AD VD ASA AS AS 3 g ag ag 0 0 56454 5 0 s lt ento DATA_INI 16 4 60 _DATA_INI2 8011 DATA_INI47 2 59 DATA IN 18 5g DATA IN O a GANI7 4 O E FIELD RISE 0 EVENODD FIELD Vss 1 4 57 55 12 Resmen GANI6 2 47 H C4523 20 _ DATA INI 19 5 56 PORES N RI518 0 Ges 8 m GRANIS 3 46 0033 1 5 55 V0033 6 i hes t GANI4 4 45 ns 10K 0141 DATA IN 20 7 TC1500 54 DISPCK OUI 81519 0 Hosp 22
20. 450 8 000 ae CIN4 d 2 c9 SCART1 LIN SUB V YOUT lt jun 5 98888 8554 ges E 4 SCART 4_VIN By 5 980 TPB wet Le 1 d Cortez SUB COUT lt LUN I T arr r T TS 1008 55 4 5 33 1 SCL Part BD I LA_DATA_DVA_TO_SMSP 59278 Part e 1 i SQL Pant SEA mes LR NS DVR TO SMS To Sub L PVR INCO X eue C313 or TV ROUT From SW_RESET e SDA_Part Et I 0 wa SCK DVR TO SMSP Sub MSP Sub R PVR IN CJ 8312 qua A00 TV_LOUT MSP 5V_MSP4450 SW_RESET 48462 100 OPTION TABLE cag 15 MSP 450 I 470 E w EU NON EU ii To AV LOUT lt eon TU MAIN m 258 LR DATA DVR TO M4SP Main MSP AV ROUT eos m TU SUB E LR WS DVR TO MSP P r S354 SCK_DVR_TO_MMSP i TV ROUT SUb 1 LE iv R365 OPT T TV LOUT Sub 8366 ge ANALOG NPUT 8367 OPT LLL MAIN V YOUT t i FROM 508 MSP U WW 0 2 2 wee ads Cortez When 125 of Main MSP from DVA SEED is failed This ports should be used 3 5952 cd dds BER B alo Rass 222 A 5V_
21. D d 0 en SCART 8 7 b 5 17 T SCART B d 4 4 s 33V_OPTION I 190 16V pe pe ev 1 1 33V_OPTION st _ Du T PE L SCART1 PVR_B_IN L AGC FB as 5 PRU EU NON EU COMMON BP 1 EK YLIV INa0 0 BY 8 0 40K AUF 10K 0240 EE RE BE pe Jit 1 7 1 AGC_SW_SUB e oe B SCART_A I L SCART1 LIN B Ego e AGC SW MAIN NON EU_OPT 1256 JOT 220K gt 95038755 1 gm qua ge i 8 up ae 1 den o MO COMMON A B cS DATA 85124000 10A 70 f ge 5 TV LOUT T X 1 gt COMP_AIN HN 3 I i eV Eci ALIS 112 678 C129 090 ga IM pe me yer n SCL_A I ii CLOCK ee TV_ROUT COMP LIN 10 Ke N T i I I p ays venir aye pi 19 D AS l 1 DT 1 1 gu e 5 11 20 twr se ca gt 470 e 4 9180 2111 22149 _ 8209 7 s V 180 D 6 8 DEA N 4 SCART zem t a 2 m a vt 49V 1 1 C TU MAIN E 6 asa We A B gn EU PD I 3 1 T VOUT a ea 1 7015 8481 82143 82120 COMP
22. i e co 3 3V_I0_CTZ FSADOR O 12 FSEKSELO FSBKSEL 1 FSCKE i 700 20 kasaq 1 BV_ADC_C SCART R 716 20 C704 P 2 ps SUB_V Y0UT Ei PPHA VAVS PANNEL 01 1 1 AFIS DGND ADC 292 SCART 6 20 Lab paras BOOT STRAP gowo 815 82 0 2 Y En MC 82 eau ros 524 Rd EUIS 4 GV CORE CTZ SCART B RIA 20 gt coupons ACIS ocmaoon1e Fscas 22S _ aBa 500 RIS 422 AF46 c23 ABO 33 3 3V_ADC41_C AGND ADC i Um MATNLQUUTI WU Me qa 154 CH4P Lv EPDO EBLUO Dod Wai rene OF id cno_aoc_2 CHAN LV EPD1 EBLU1 TXC4 I Qowpalis _________ 016 AGND ADC 3 I I I I 1 1 I I 8719 20 740 11 0 tuF AES OCMADDR15 ACB 073 73 746 750 754 761 767 773 779 784 790 794 798 C801 4 VGA GL e i e B3P CH3P_LV EPD EBLU2 I UU gt AGND ADC 4 f 878 EXE Ode dE TURF DUK Oe OM LOK TUAE TURF 2 de 2 FS CH3N LV EPD3 EBLU3 E ru Rd 80053 Hee 68 a e 50052 i 13 ADC2 C AGND ADC 5 8 if 1 I I I I I I 1 1 1 1 8722 4420 e CH2 pE AE7 ECKD EV E PDATEBEUAT ADI TT M OCMADDR42 260052 Fir ME 50053 5
23. 22 57508 8 5 0 40 24 3 3V_LVDS_PLL_CTZ t3 3V LVDS CTZ GND PET 0 aatas 225 42200 33 CORE 1 8 8 0 ewp es 17 R878 0 e 3 c25 gy 19 Hz 27 wea n FSI P10 RB79 0 1 o 7 OGM TIMER ee aped Pit 8880 0 HOMI_CECL 1 ag perat Se P12 7 743 758 765 C774 C777 783 Peat 0 gt DET 807 100 Y24 ocu ire 610 5 FSBKSEL1 280 om BOOT STRAP lt sess P13 16 k DVe DATA O RBB2 0 P3 AF13 FSBKSELO irai 14 e ADATAO EXT 0SD CLK 451559 _ 0 PVR RESET XD 808 WE ocu oso 1 8 13 0 6N0 31 515 1013 9 C53 3V 0N RO EEA was ee L 515 l2 EXT 08D V8 5 0 UART OCM UDO 1 Fsaopnie ott 000 20bit addr Bbit Ext i f 13 3V_I0_CTZ D GND 33 HOMI VSL UART PVA TXL 5 4 FSADDRA1 I 10 3 3 1 0 6N0 34 HDMI HSL lt 51010 201 10 HE FSADDRU 004 24bit addr Bbit Ext i f 10 3 3 2 0 6 35 4 4 DE gt deu 24 9 10 3 3 3 D_GND_36 _0 18910 211 a m tro adi det re VE EP 0 00 38 3 3V PLL CTZ 3 3V ADC1 CTZ 3 3V_ADC2_CTZ m is GP10 42 J1A6 85 TMS S
24. DVR TO MT 1 9 ene PP e 1300 3 3 zum iih 6630U60039A 0 1 8V_DVI mio TOSI up 2 5V_DVA C 2 0 12 mux ouT gt 2 5V_DV ES eror 37 10 mm ERE EE I En 1305 0 04707 p A capa ls Ls ba La lo ba ln Ls Is Indes I m dn TVW EE m FO jei RS 33 mk ame 0105 ue Tus ax i 2 5V_DVA 161301 49 EP AH 8E WS pes Eos ME HY5DU56 1622 TP 4 tsa eea FU En E E rias sss 3 39 5 ac gm Sumner me Em EM m LIPS WEST D C1325 0 1 post 00111 SCART1 PVR R IN ES L7 pu 2 5V DVR x MES En 3 3 0010 45 ss wes SCART1_PVR R_IN T0 MT lt P sat ws T ge c vens 1 He eu s Toast DESETI 3 ea SCART1 PVR G IN ib E a VREF soon sel p mm opm MI PE B nee rt a pira aix bet frou ae asl pe lJ asl pm Joc pua Pes at bl rm id one EIT 0 7 b malo 12 e PA p Y sd DE 75 pras 0 uF Bal Sie A 5 SCART4_PVA_B_IN T0 NT lt eue ar T Es Em Re300 TS pues on sal x nsi pp tea 1336 0 tuF t Cm p UU gt
25. E roo 9 ao 1 1815 1 4 5 EAM33010401 1 IDIGITAL EYE 1 s IDIGITAL EYE od L DGND USB 6ND_SIDE 9639 0 T N SIDE 9639 0 9640 0 8640 0 F641 0 R641 0 ND_SIDE E 90 50 2 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC d 3C 2 G C 53 30436 Power 16700 FLT30436 AC T FLI30436 AC AIP_RAW HS_CS 572 ATP_RAW_HS_cS Reser 25 e SYS_FESET RAW VSE RAW MS ern BD wa gt TACO TXC1 1 2 TX LK TXC3 Auf 025 713 30 C701 110 uF gt SYP NC 2 CH30 CH20 10 CHO0 40 CH40 10700 12700 EUM qy 000 0 uF L130436 AC FLI30436 AC 2 A715 20 C7034 0 aca BiP LFfLi30236 0 v 201
26. Pw P947 BB FU 8 oP RO48 68 FSOGM FSCKt FSDQM2 RO uf FSDON3 THE AM SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC PEV Mp aA 1 3 Y FDMT 3V_Sil P1100 01103 m e SEEN d 8 0 PR 125001 5 u y R H19V i pra en clo cal ced I A 5V_TU iSt Su UR tu 10005 100047 1000 il o To o o suF 0099 con sooo 00057 00s coon w I r m ___ 19 TTTTTTTI Iw y I ee i 5V_DVR i 1 al do 4 PINEL T 5V_MSP4450 p ees P_6V z e 5 s Sooo TA 15V USB 249 wf TS Tes 3 3 LX e 1 1 104204 1103 To 103 L Taio 3 9 a 4 Vi 45 EPR 2ALCOBSTHT ENGIPS FREE ao gus d Tos TE TI J0000
27. T 10 I OtuF Tr 0 1UF 28707 CH3P Lv 0 P014 EGFN6 1 uli OCMADORI FSDATA25 Ha m FSVREF C 4 ca 4 CH3N LV 0 PD15 EGRN7 0 45 CAFES ono FSDATABA aco I Tig FSVAEF 4 FSVREFVSS 1 yg Loan I CLKP LV 0 PD16 ERED0 l Ob FSDATA23 FSDATA 24 4 DLL CTZ 2 2 POP LOW 9708 SH_RESET 720 2 2 asen CLKN LV 0 PD17 ERED1 A14 24 6210 18 CH P_LV 0 PD1B ERED2 Qnid ADA m CH NCLV 0 PD19 ERED3 I coouralisl AT ALTO D 2 5V DDR C 13 3V I0 CTZ PC DETL BUD eS o P AoDDlGILG CHIP LV O PD2O ERED4 1 121__ 2 rsoatata 818 D 6ND 2 He OTP RAW HS CS cHiN LV O PDei EREDS cuni ID e P 7300 YT apaa OCMOATALO FSOATAIS PES AU 73 4 I 748 752 756 I 763 I 775 I 781 I 786 I 792 I 796 800 I 803 I 6 La I 0 m l 842 SCARTI ctv veneat epo Ages OCMDATAS poata Fast enoe Wf M AUF T 1 D 1 T T i ur 1 i qhi qele ile 7 224 RISE AK MUTE_LINE I AF24
28. lt 2 JX0 16 0 19810 09X0 umop 1ewod SANL S H paydweye 5 lqeu3 pepeo 9 Iqeu3 195 09x0 19151691 0949 Z ewou SI JO 3 0 y 4 Ssnonumnuoo 5 90X0 09 19151 91 snieis 5 499UD L 91214 SAWL 4994 jeuuou S 61 LGE Internal Use Only 23 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 109101 009101 ed Y 20210 00E LOI eur Ld 00814 e qeo e p uuo p 01 JHO epo N 1 SHA Ajpe wou LOS LOI 008 LOI SHA amp 202101 0021 Ol pe1eJedo s SAA 021 0081 4 p p uuo 1 5 UO 1 Mollo YOOUD e jueuodui09 4H AV D10291 1511 0 4 yupo juseog ueeJo SI 041 e HAG LGE Internal Use Only 24 Copyright 2007 LG Electronics Inc All righ
29. 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 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 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 connections 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 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
30. service purposes
31. soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the component 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 circuit 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 wi
32. 01 85 50 WXGA 42XGA 50 60 11 1366 768 47 700 60 00 84 62 WXGA 42XGA 50 60 9 HDMI Input PC No Resolution H freq kHz 2 Pixel clock MHz Remarks 1 720 400 31 469 70 08 28 32 DOS 2 640 480 31 469 59 94 25 17 VESA VGA 3 640 480 37 500 75 00 31 50 VESA VGA 4 800 600 37 879 60 31 40 00 VESA SVGA 5 800 600 46 875 75 00 49 50 VESA SVGA 6 1024 768 48 363 60 00 65 00 VESA XGA 7 1024 768 56 476 70 06 75 00 VESA XGA 8 1024 768 60 023 75 02 78 75 VESA XGA 9 1280 768 47 776 59 87 79 50 WXGA 42XGA 50 60 10 1360 768 47 712 60 01 85 50 WXGA 42XGA 50 60 11 1366 768 47 700 60 00 84 62 WXGA 42XGA 50 60 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 10 HDMI input DTV No Resolution H freq kHz V freq kHz Pixel clock MHz Remarks 1 720 480 31 47 59 94 27 000 SDTV 480P 2 720 480 31 50 60 00 27 027 SDTV 480P 3 720 576 31 25 50 00 27 000 SDTV 576P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1280 720 45 00 60 00 74 250 HDTV 720P 6 1280 720 37 50 50 00 74 25 HDTV 720P 50H 7 1920 1080 33 72 59 94 74 176 HDTV 10801 8 1920 1080 33 75 60 00 74 250 HDTV 10801 9 1920 1080 28 125 50 00 74 250 HDTV 1080 50Hz 10 1920 1080 67 5 60 00 148 5 HDTV
33. 1080P 11 1920 1080 56 25 50 148 5 HDTV 1080P 50Hz Copyright 2007 LG Electronics Inc All right reserved 9 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application Range 5 This spec sheet is applied to all of the LP7BB chassis Saturn Analog DVR manufactured at LG TV Plant all over the world Specification 2 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 to protect test instruments 2 2 Adjustment must be done in the correct sequence 2 3The adjustment must be performed at 25 5 temperature and 65 10 relative humidity if there is no specified designation 2 4 The input voltage of the receiver must be kept between 100 220V 50 60Hz 2 5 Before adjustment execute Heat Run for 30 minutes at Full White mode Power on key PCB assembly adjustment items Channel memory Download the channel data from BOM to EEPROM by using LGIDS Option adjustment following BOM Tool Option1 Tool Option2 Area Option LP7BA LPL S W Version DVR Version X XX UTT XX hr Tool Option1 7 Tool Option2 161 Area Option 16 42 Normal X XX Fig 1 1 Push the ADJ key in the Adjust Remocon 2 Input the Option Number that was specified in the BOM into the Shipping area 3 Select Tool Option1 Tool Option2 Area Option by using A V key and press the
34. 5N 71225 4 p ap gre iF 42 z P ty 116 147 10 100uF TP4210 m a iby K 8422 muse 4 m SHF I 1 uma i i ui Y FAN VCC 5V_HDMI_O 281115 Pant 5V_DVR_IN 5 5200 00006 2 8 5V HDMI O 5V HDMI 1 L 42V_PANNEL Bee Jue Se ums ibaa E 13 _ 88020 HPD_S W_O x 0005N iul ia d me vos grod 3 3V_HDMI oe 103 3 3 3 3V_LCD 5602125008 5V_DVR_IN wass 161104 5IR E1 OTPMGOOL07A 2 5V_DVA 11103 T aer rent 51 0250 ii p3 3y bem 1 HOMI sl Q D qur e I OA age OTPMG7B3914 1 8V_Sil B 1 z T1 _ wl ae m FR 7 3 L l BDATA O 23 s EEEE ade B mu E 8 L 1 K 4200 DCiROiSWDH 3 3V vos msi ki oos SC 15651541 m a 8 w 1 8V_DVA ALIOD 1204 vos BOATAIST BV SATA NET HT E D as P EA s r cuum Tct N 1 8V_VDDMTK nis a TN Em CENE Lit 016 P_12V ein ale 5e99v00008N 9V_CXA2069 4236 ar EADE I
35. 8373 5 L 000 es es I woe TU t i 9 6 8K _ 5 lia BE HW 9 it ag im em GND3 45 2p OUTPUT H PD IW OI y INPUT2 B OUTPUT V PIA a 6 K i r INPUT2 H GND4 T for us D 16 486 003305 C495 20 Thi INPUT2 V SWITCHe ces el tC re ee SAN C 19 7358 TO NTPr 25038155 mes x I LR WS O NIBE 0 AC_DET mU SE LT Le ELEL MUTE MAIN ________ _ _ THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES i THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X AADIATION SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes 5 LVDS amp CONTROL amp SIDE AV 5 LVDS amp CONTROL amp SIDE AV
36. 9 91 00591 134e eui eje1edo 10591 Ajpeusou eje1edo 00rd punos ou s ndu luO gs suid 008Ol Jo dino eui 00201 1exeedsg eui 10940 Ieuuou qe5 Jexeeds eui punos ou SI 9ui peojuwoq Jayeeds uo 195 ui uo Jayeeds eui 5 punos Ou 1 2943 e punos juejs Xe s u i15S u 1S 031 uojdu g e punos ON 81 LGE Internal Use Only 22 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Ol pne 00210 4 e qeo 10 9 72949 Aje1eudoudde si 19500 89 0 1915 1no oipny ZEXO 950 89 0 INAH 49949 1 qsg seuineuios 22 pue 6nidun 1894 ued 4oef euoud pue jeuBis noA pue uoddns Indu AL 59902 L Mod HXO
37. A LOZNL eui jo dino oepiA jeuuou guid 79940 1ndu eui ewou eui SHA SHA ON qns epoui 44 ejdsip jensnun Jo 9522 L LGE Internal Use Only 20 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 00291 0 ELSH LSH LLESH 60SH Y90949 1 00SMf jo ou s A H pug eounos ndu eui yooUuD qnssulew apow Aejdsip jensnun 9522 L 00201 0 811 0811 6217 eounos eui yoouD ZEOLYP oy Jo Ndu 9 ewou S Wo ejdsip jensnun sawodaq jo aseo 9 00221 9I eBueyD ScL1 42V1 92L1399u y eui JO Indu 5 ejdsip jensnun sawodaq jo 5 S LGE Internal Use Only 21 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes a g OSA A euuou ejeJedo 2070 punos ou SI JH luO InO ul 1eun 9 0949 e ejdeu 1
38. AA 0 4 euiseid nSd esnj y wou y eoejdeu ON SSA NSd pue eur eui pejoeuuoo s 00 05 8 1114 e 1 05 SAA p109 6nd uogoe 4317 1404 p109 ye quseop L uojdu S e JOMOd ON L 5 LGE Internal Use Only 14 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes a g X 191 1 012 183v 8 14618 OLL OOLd JOLY a g 7 5 ay G g Z JO q Joye Indino y s ON snj ay eoejdeu 9 JO Jaye y ewou Jamod au eoejdeu ewou 012 002 01 001 Jaye peog X 99191 y jewou ON S3A S3A euuou pog 7 eui S Zd a z 254 154 95 eui jeuu ou S ON S3A S3A
39. DTV 16 Audio Input PC Audio Component 2EA AV 2EA L R Input 17 Audio variable out 1EA 18 USB Input 1EA DivX MP3 JPEG 19 AV out 1EA Copyright 2007 LG Electronics Inc All right reserved 6 Only for training and service purposes LGE Internal Use Only 5 General Module Specification No Item Specification Remark 1 Panel 42 TFT WXGA LCD 32 TFT WXGA LCD 2 LCD Module Outline 42 983 x 576 x 47 3 H mm x V mm x D mm Dimension 32 760 0 x 450 0 x 48 0 Pixel Pitch 42 0 227 x 0 681 x RGB mm 32 0 17025 x 0 51075 x RGB Pixel Format 1366 x 768 Pixels RGB strip arrangement Coating Hard coating 3H Anti glare treatment of the front polarizer Back Light 42 18CCFL 32 18CCFL 6 Set Optical Feature LCD Module Min Typ Max Unit Maker Remark 1 Luminance 400 500 LPL ORT from the surface 32 42 Full White Pattern 2 View angle R L U D 178 178 degree LPL 32 42 CR gt 10 White White X 0 03 0 279 0 279 0 279 0 03 coordinate Y 0 292 0 292 0 292 Red X 0 635 0 636 0 635 Y 0 339 0 343 0 344 Green X 0 282 0 284 0 286 Y 0 606 0 615 0 614 Blue 0 145 0 144 0 146 0 064 0 063 0 061 4 Contrast ratio 600 800 32 LPL O RT 800 1000 42 LPL O RT 5 Luminance Variation 1 3
40. E 3 3V wis um 1 eus esi 9V_MSP4450 1 8 8 7 N 1 1110 T5V HDMI 1 N w 1 8V_AD_VD wet OIPNG00027A d S deg Ie La Lo va T us 27 19V o iur 5 ZZ 0 AUF T4 55 1 BV AD PVD TP2024 TP2025 T U val 291291 1 3 3V_Sil 3 3V DVR CLERO wasi _3 3 3V_AVDD1 Bins 3 3V_AVDD2 42V_PANNEL s Z __3 3V_AVDD3 B H 2 sf fone Y e g 3V_SATA pus xx r2 at M he w 3 3V_AD_OVOD E VAVS PANNEL ON i G2 4 5 02 1 C1248 43 Tp4153 3 3V_HD2SD THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SATURN Analog DVA ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC 9 THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and
41. EPR1 A 5V_EPR1 m m 9 5 gt C7 EU PWM AMP 16V 1 I BR en i I INPUT OUTPUT R 8 fpi gr VGETTBI met ae fem ku 1 Pe 6 0 3 34 pae 8369 gt 4 NCS gt K MUX OUT COMP P em 270 INPUT 1 G NC4 p spans cs 199 COMP2 Y 2 5 32 L COM Pr pee 2 VCC2 G ae M B 16V 9 6 34 mm m C46 2200005 E b INPUT4 B OUTPUT c for 2 7 1030 1 e mew agp T M 1 Rat E er DN 167 INPUT 1 29 GNDS itv 000pF R483 uF am pF gu MUX QUT COMP Y m 1000pF INPUT1 V I OUT_COMP_ 2 2 28 cH ia gn 6602125008 GND1 46 27 QUTPUTIB COMPLY T 1 8V NT IE E T Ix ien INPUT2 R 44 M52758FP 25 SNCS PR i zn m Laces TN onm eu t iW GND2 OUTPUT oor BE oy e 8 s IS 4 1 30404601 zs o 1 12 25 1 Bn Sie nei Tr lewis ima ei 99 _ yo 6 13 24 C344 10 pash E
42. GANI3 5 44 C4524 0 047uF 1 8 Bs SEES EBD T JMUX OUT COMP Pn 0250 80151 DATA IN 21 HD2SD 53 _DISPCK_IN 11520 33 ir Sis GANI2 5 1 1504 43 15254 0 O47UF i GNU 7 ADSSB3AKCPZ XXX 4e 0250 80161 22 10 51 SDA 81521 00 _ Pant GANLO B 41 C4526 0 047 IMUX_OUT_COMP_Y VDD25_ 44 50 _V0025_3 RI553 0 3504 west n 40 C1527 0 0474 880171 DATA_INI23 12 49 SCL A1522 M00 ISCL_Part Bis 10 39 VSS 3 13 _VSS_10 R1554 0 5 Hosp posna uel ae BLUL7 11 38 C1528 0 047 5 81500 0 IDATACK TI 14 47 R1523 4 7K 6 12 37 C4529 0 0474 V0033 2 15 46 000335 mm 13 36 AD_HS_OUTL 84501 0 HSYNC I 16 45 IMS REA D BLUI4 14 35 C4530 0 047UF JMUX UT COMP Pb VS8 4 17 44 _VSS_9 auela EF BLUI3 15 34 C4534 0 047UF IVGA B AD_VS OUTE 81502 0 VSYNC I 18 11525 0 BLUL2 16 33 81503 0 FIELD_I 19 42 R1526 EE EVEN ODD_FIELDL 7 noonoorunvonoonoanorg DE IN 20 41 100 Q A Q Q Q G G Q Q m m E suuiascogosgsgt oS 55 228 5 5 5 9 tn e Ce sie xr 3 us l gt gt 1 A E x 5 355 5845 158919 aso 19958 i5 las 4 a eee aja 4 ats 01521 0 8 8 l
43. IES ACCORDING TO THE INSTRUCTIONS ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig handtening Udskiftning ma kun ske med batteri at samme fabrikat og type Lev r det brugte batteri tilbage til leverandoren LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion 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 r
44. LIST SMW250 13 503 1 BV PLL CTZ 6602T25008M OcMADDAL 14 MS 3 46 gypse 0 15 FSDATA 3 T FSDATAL 42 ee AC DET coma cal a as 8257571 poa m ae mA 7 FSDATA 5 EM FSDNTALIO t re ED Ethica ec SNP qiue Pide gcc peces OcMADDAL 12 MA 5 44 97 7 FSDATA 6 FSOATAIS SVST o _ 1 2 ann f aof pooo RL ON oa as moris lt FSDATALO 15 Z 013 SV Det Error Out 99 41 50050 1250051 14008 3 ADC4 CTZ A19 05 161001 T 9 40 tme e s e AZ40855 3 3TR E1 Bo um 1 OTPMG78341A 114009 13 3V_I0_CTZ 10 13 3V_TO_CTZ Fs gt of 89 WWST Conteg 13 3V ADC2 CT7 0 wef 54 wanta _ 7 VAVS PANNEL ON m IO vec E n We SENT ori Fen xs menta C FSADDR 0 12 up s 1 13 36 94 FSBKSELO pe 81003 LCD DISP EN 0 88 omnla N p p TI ami ix I 5VDet Errorout sano FSADORITT C1008 903 FSADDALET 1
45. Pb k 0908 ite I OPTION TABLE roe 18 SK 5 A 1 EU NON EU gt ER pe T ws p AFT SCART2 VIN S 49v 4 1 C TV VOUT 4 1 1 21 7 p222 20 R112 75 i E PHA Biss 2 8137 o we come_y AOUT 1 e 88 NC_ go R138 OPT gus Es 0 8 i R139 OPT i 15 E 7 sb Pe AM AUDIO Sub t wis Fem SIF OUT 18 3 ey 5 1 j C AM AUDIO m C7 5 Q M Q N N e Roto 6215 I Root il m EU OPP NON EU OPT din pe SIF_Sub Ca 12 SSE a gue ge oU SCAAT2_ID T COMP2 RIN gg aye 49 C120 pir 8190 C434 9 E SIF K105 4o 5 qu K103 E cm 651210031 pus s Ma qs I T li COMP2 LIN 9 2 8 SCART2_LIN ior En gs 7 gus p igp am 20 T i I 89 A BENE 5 4 D 1 1 t 8 N NC 10 s WE eje jar ep 0 008 Pet X Ge 4 ac ROI 4P_caNs 7 i n Hgy Bia NON EU_OPT MUTE LINE n giog 1 ee T T i
46. Y ENC T v SQ Pant i SCL Pant Lomo M 5044 T 7647 5044 T 1 I dis pal 8 a i FOR POP FOR PDP x I I I I CONTROL KEY AV CONTROL KEY Sloe AV 15V USB 3 3V LVDS PLL CTZ n TULLIUM 3V LVOS PLL CTZ oeat E e see 6602T20009N 9633 0 6602T20009N 0 P602 P602 16 501 m tls e Wi 6602720008 Eg E wu TYING Le ame KEY 7634 0 2 i 534 0 a SC2612ESTAT 604 t P604 l 5 UF TH Le H Bises sgth w P 1 Elena I 1 19 1 19 ESA aL 0 4 4 BD INS la 4 KEY1 4 4 BED INS E 501 EAM3301040 501 7 EAM330 040 4L _ J 1S5_SW 2 P62 gt p 3 3V Tr igs JS5 SW 2 E gt usBb p 3 3V Le 1 636 0 at E gt T L corn R36 D md gt USBD 1 ____ d Le I WINS map T ge 1 VINS E BL s Dod ES Lu 5 k T t 115 E EAM330 040 t 115 T BO WES P E 1 ERES WES 15 f JRINS
47. ce Hex Color Temp Cool Red Gain 80 Green Gain 80 Blue Gain 80 Red Offset 80 Green Offset 80 Blue Offset 80 Reset _ To set Fig 4 Test Equipment LCD Color Analyzer CA 110 PDP Color Analyzer CA 100 CA 210 The both of LCD and PDP are available PC for communication through RS 232C gt UART Baud rate 115200 Pattern Generator MSPG 925FA etc Color Temperature amp Color Coordinates Setting When adjusting the Color Temperature of LCD Color AnalyzerCA 210 Matrix should be corrected through CH9 of CS 1000 should be used When adjusting the Color Temperature of PDP Color AnalyzerCA 210 Matrix should be corrected through CH10 of CS 1000 should be used Adjust the Color Temperature based below adjustment color coordinates Even if CH9 of CA 210 is corrected with Matrix there may be many character of Module and Filter Therefore Refer to the below Color Coordinates Target But in case of WCG module use the CH12 of CA 210 Copyright 2007 LG Electronics Inc All right reserved 13 LGE Internal Use Only Only for training and service purposes 9728991 ejejedo AS q LS ueuM uo OV 5021 LOLN 0 941 3999 0 pe12euuoo 59 Ged SAA lt OSA uid pue pejoeuuoo S ajqeo uide 1 S
48. djustment 802F Pattern Generator Master MSPG 925FA etc MSPG 925FA Pattern Generator Which has XGA 1024 768 60Hz PC Format output signal 10096 Color Bar Pattern shown in Fig 4 It is very import to use correct adjustment pattern like Fig 4 a Within the pattern color sequence should be aligned White Yellow Cyan Green Magenta Red BLUE BLACK If color sequence is reversed Black gt gt White reverse the pattern with REV key when using Master pattern generator like MSPG 925 b If Minimum Black Level and or Maximum White Level is not correct Do select 10096 Color Bar Pattern Fig 4 7 3 1 Method of Auto RGB Color Balance 1 Input the PC 1024x768 9 60Hz with 10096 color bar pattern like Fig 4 into RGB Ex MSPG 925FA model 60 pattern 65 2 Set the PSM to Dynamic mode in Picture menu 3 Press the INSTART key on R C for adjustment 4 Press the p Vol key operate To set then it becomes automatically 5 Auto RGB OK means adjustment is completed LGE Internal Use Only 8 White Balance Caution Before White balance the AV ADC should be done gt Notice Do the white balance adjustment under the 10LUX Before white balance press the In start key 2times and do the reset like Fig 5 Use the Torino inner pattern 216 gray pattern To enter White balance mode press the IN START key 2times Caution System control RS 232 Host should be PC for adjustment White Balan
49. e PVR_CVBS OUT 10 BLF _ B UIRT PVR RX CH QUT gt ergo k Lig T 105 cias Leia Loran Lor UART PVR TX 3 TXO_PYALSVC ins Xm TEN ee i T nii pe ni IW 1 7 l 45V DVR T L p 3 3V 3 4 355 OT Jom reset 8 161308 KTA7O2SAF OTKE7029006 oi 3 3V_SATA s LN OMIT 8 O 3V_SATA 5 55 855255 phe 5 oum 61302 40 0474 i 22554 854835 d CO I zd 8858223 1895 88 1308 1 77 bai AID i AW 5 E 3 3V SATA E 1 BV_SATA 3V SATA me O T E 34 Ram magica pe E 3 3 3V_AVOD fl m I ees EAN33402201 mom 3 SV SATA 3 L Dus gn 3 SATA mM ARNET T _3 3V pe 12 1 fon es i t 290 Do _ EE C e D PVR F_SCKC um _3 3V congue 3 cse on REST za DATALO 7 3 3V DVR _ HER ne 5 monty 1 i 1 8V_SATA aon FoS 15 ni 5 C EE ni 5 Foa sa 56 974 CTZ t 515 js Anl mi J a 7 Ei paani DA mp 1319 33 DATALO 7I fear T mc COP Y
50. 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 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V Safety CE IEC Specification 50 60Hz EMC CE IEC Standard Voltage of each products is marked by models 4 General TV Specification No Item Specification Remark Video input applicable system NTSC M PAL M N 2 Receivable Broadcasting System 1 NTSC 2 PALM 3 PAL N 3 RF Input Channel BAND NTSC VHF 2 13 UHF 14 69 CATV 1 125 Input Voltage 100 240V 50Hz 60Hz Market Central amp South America 6 Operating Environment 1 Temp 0 40 deg 2 Humidity 10 90 RH 7 Storage Environment 1 Temp 20 50 deg 2 Humidity 10 90 RH 8 Power Consumption Power on lt 260 42 Green lt 220 32 9 Stand by Cool 1W 32 42 Warm lt 40W 32 42 When recordign the manual recording 10 Frequency range H 31 61 khz PC Input 56 75 Hz 11 Video Input 2EA NTSC PAL M N 12 S Video Input 1EA NTSC PAL M N Side only 13 Component Input 2EA Y Cb Cr Y Pb Pr 14 RGB Input 1EA RGB PC 15 HDMI Input 2EA HDMI PC HDMI
51. eceiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily 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 us
52. ed to help reduce the incidence of component damage 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 Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the Copyright 2007 LG Electronics Inc All right reserved 4 Only for training and service purposes unit under test 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 exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective ma
53. f manufacturer General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect the receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1W keep the resistor 10mm 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
54. jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected 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 This spec sheet is applied to the LCD TV used LP7BB chassis 2 Specification Each part is tested as below without special appointment 1 Temperature 25 5 C 77 9 F CST 40 5 C 4 Specification and performance of
55. ld be performed before White Balance Adjustment After AV color balance adjustment Change the mode from AV to RF Cancel Heat run mode LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 7 2 Adjustment of Component Required Equipments Remote controller for adjustment 802F Pattern Generator Master MSPG 925FA etc MSPG 925FA Pattern Generator Which has 720p 60Hz YPbPr signal 100 Color Bar Pattern shown in Fig 3 gt Model 217 Pattern 65 It is very import to use correct adjustment pattern like Fig 3 a Within the pattern color sequence should be aligned White Yellow Cyan Green Magenta Red BLUE BLACK If color sequence is reversed Black gt gt White reverse the pattern with REV key when using Master pattern generator like MSPG 925 b If Minimum Black Level and or Maximum White Level is not correct Do select 100 Color Bar Pattern Fig 3 7 2 1 Method of Auto Component Color Balance 1 Input the Component 720p 10096 Color Bar MSPG 925FA model 217 pattern 65 signal into Component MH component 1 2 Set the PSM to Dynamic mode in the Picture menu 3 Press the INSTART key on R C for adjustment 4 Press the p Vol key to operate the set then it becomes automatically 5 Auto RGB OK means the adjustment is completed 12 7 3 Adjustment of RGB Required Equipments Remote controller for a
56. mu m m DES s S 5 lt E E 3 E 3 3 0 000 amp a 152 0 58 8 d 5 zz E E 8 8 5 ACORN 8 8 8 28 d DVR DATAO 7 3 E zn B 8 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LG Electronics Inc Aug 2007 P NO MFL39106202 Printed in Korea
57. number key 0 9 consecutively ex If the value of Tool Option1 is 7 input the data using number key 7 Fig 1 SET assembly adjustment items Auto AV Color Balance Adjustment of White Balance Auto Component Color Balance adjustment Standard equipment MSPG925FA Auto RGB Color Balance adjustment Standard equipment MSPG925FA At DVR model Case Please check DVR function like following list Checking DVR Function and HDD Check DVR Function as follow on 4 2 and find HDD failure under malfunction Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 10 HDD Assembly Adjustment method 5 1 HDD FORMAT 1 Assemble MAIN DVR Board 2 HDD Format in progress words will create automatically 3 Please wait for 30 40 seconds 5 1 1 HDD Format in progress ALT Y A 9 to 5 2 Sub Program Download for DVR by using USB memory stick 1 connect USB memory stick to SET 2 Set power off gt ON DVR s w will be installed automatically LGE Internal Use Only 6 EDID Caution Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital EDID Pin3 exists gt Caution Never connect HDMI amp DVI D amp DVI A Cable at the same time Use the proper cables below for EDID Writing 6 1 Data 6 1 1 ANALOG 256 Bytes BLOCK1 128BYTE b Sli mio
58. re 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 U shape the end of each of three leads remaining on the circuit board 3 Bend into 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 possible 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
59. s 00 SCL_Part_5V gt SCL_A a fame EU OP pcm 188 ey 101 I 1 1 1 1 1 SDA A SDA_Part_5V PSCO03 04 LI dum ON EU OPT Lee 12 00010 0 122 Ij kj TAE TM cus a Y 188 9494 09 ye 1 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES ti SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC
60. se SAA Exe eui JO X08949 ewou S Aejdsip jensnun jo ased ay ul LGE Internal Use Only 18 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes V se owes SHA 21 GEEH ATHS 9 1 Y99049 A V 3U JO euuou opis Wo ejdsip jensnun JO eseo y ul 8 LGE Internal Use Only 19 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Jeun y 0940 DZ eui ewou S eq pinous 1deoxe eseo eui se qns sepoui 19 10 ejdsip 1 us op did 9522 00291 01 24 SHA peyoeuuoo SCAT SI Suesur 2 mite root 499UD 00 91 0I eut uo eui VLEY Y90949 JO esto ul ZLEH 4994 606902 VXO Jo 1ndino 0 6053 99u2 JEWJOU S 8027 72940 eui jeuuou S 59 SHA d 0L11 Jamod au 2940 qeO SH
61. t reserved Only for training and service purposes leuis O 9DIA jey6iq 4 Bojeuy 5 5 oipny Sel 0 285 W dSW MIN U1043 9 WIS AV OL 9994 luvn 7219024 9 AHSOM MLN SZIINGH ner i uni MWS AV 4 804 014 dwog s W dSW OL user li OL INVHOVIG 49018 LGE Internal Use Only 25 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes EXPLODED VIEW LGE Internal Use Only 26 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 1 SCART amp COMPONENT ee PANEAS
62. terial 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 replacement 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 sufficient 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 25cm 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
63. the measured resistance should be between 1MQ and 5 2 When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2007 LG Electronics Inc All right reserved 3 Only for training and service purposes 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 5K 10watt resistor in parallel with a 0 15uF 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 5mA 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 0 15uF lt AW gt 1 5 Kohm 10W Replaceable batteries CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTER
64. w gt MUTE_MAIN Teer 0 23 we DIMMING C 21 9 Hes 011 24bit addr s6pit Ext i f 0 GND 38 0723 us GP10 44 Hce Ea T J5VDet Errorout Fena FSA 10 3 3 6 Hirs 5 2 GPIO 45 JTAG BS TDI pog O rue s FSADDRS En sons LXX OCM disabled TestBench model 10 3 3 7 D GND 40 F aic D IU E gU 22 GPIO 46 JTAG BS RST 555 EST a gt LED_G 13 W_IO_CTZ FSADDR4 FSADORU A 10 3 3 8 0 64 44 GPIO_47 JTAG_8S_TCK LED R ARB LCS FSADORUIS 0 BOOT XROM 10 3 3 9 D 6ND 42 7 5 e s BOATAZO JTAG BS EN EEPROMs C 15 wee AAA sc 215 Font 0 Internal ROM ON 10 3 3 40 0 64 43 x E BOATAIS SDA Pant 5V C errs so Fsapon1 247 D 68D244 SCL_Part _5V lt wi 2 m MSTR1 SCL 28 1 Internal Off 1019 242 enue Ti4 lt lt 3 3 6 15 uoc HELa 13 3V_I0_CTZ Bop oo NSTR2 SDA for Circuit Debugger 10 3 3 14 7 Hie 4 8V_PLL_CTZ 2 5 210 9 1 2 d rcs 22 i6 disabled 10 3 3 15 D eNo 48 Qe a Eoas LBADC 1N3
65. website http biz LGservice com LG LCD TV CHASSIS LP7BB MODEL 32LB9RTA B E 32LB9RTA B E MB CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL 5 2 SAFETY PRECAUTIONS UU IU UU 3 SPECIFICATION Poem 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING tu 14 BLOCK DIA GEA EFEEE KUNA IF ARE CU NER M ERU Laid E ER 25 EXPLODED VIEW b I E ird pl da RUE 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SVC SHEET p Copyright 2007 LG Electronics Inc All right reserved s LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and Replacement Parts List 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 o
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