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LCD MONITOR TV SERVICE MANUAL

1. 30V CDS3C30GTH 01 SECRET Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENT THE CR FEATURES AL THAT 0 IMPORTANT FOR PROTECTION FROM X RADIATION LY MANUFATURES SPECFIED PARTS BE USED FOR TICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC MODEL DATE BLOCK SHEET LGE Internal Use Only M19 227WDP LED 1 Head LED_BLUE_ON HB LED_AMBER_ON P301 P302 5 10 5 55 SMOSB SRSS TB 57 50 1 C301 CIUS KEYS GLOSES 1 10300 KSM SO3TM1A 30V YELLOW A gt lt 0304 CDS3C30GTH CDS3C30GTH gt lt 0303 30V H P_DET ONE DET H P_L ONE L TEVIST H P_R A 8300 100 LED_BLUE C302 C301 LED_AMBER 4 7uF 4 7uF GP34052ME P50 BER ON 6 3V IR READY L300 12B080TF HE ADPHONE L TO HEADPHONE C 1301 BG2012B080TF HE R
2. No Item Content Unit Remark 1 Product Width W Length D Height H mm Dimension Before Packing 519 8 193 2 400 5 mm After Packing 592 446 135 mm 2 Product Only SET 4 7 Kg Weight With BOX 6 3 Kg 3 Container Individual or 20ft 408 Loading Palletizing Indi Wooden Indi Wooden Quantity 816 600 1700 1380 Type Detachable Base detachable Size W x D x H 271 2x 193 2x 108 4 4 Stand Tilt Degree 5 15 degree Assy Tilt force 0 8 3 5kgf Swivel Degree inae Swivel Force Gap spec 5 Appearance General Refer to Standard of LG 55 G1 1020 Front 0 5 mm Back amp Bottom 1 0 m d 15 2 M237WDP PZL No Item Content Unit Remark 1 Product Width W Length D Height H mm Dimension Before Packing 560 8 193 2 427 mm After Packing 651 456 161 mm 2 Product Only SET 5 6 Kg Weight With BOX 7 4 Kg 3 Container Individual or 20ft 40ft Loading Palletizing Indi Wooden Indi Wooden Quantity 630 560 1290 1176 Type Detachable Base detachable Size W x D x H 271 2x 193 2x 108 4 4 Stand Tilt Degree 5 15 degree Assy Tilt force 0 8 3 5kgf Swivel Degree nne Swivel Force Appearance Gap spec 5 Appearance General Refer to Standard of LG 55 G1 1020 Front 0 5 mm dj Back amp Bottom 1 0 m d Copyright O 2009 LG Electronics Inc All right reserved Only for training and service purposes 47 LGE Internal Use Only ADJUSTMENT INSTRUCTION
3. DDC_SDA UART_TX JEEPROM WP RS232C 3V_v0DP ST 16N 19 CAN Isuiconraci COMPONENT 16410 59 1 24 3v VDOP ST role Lust 3 persia Iner c L6 L IFO11P CAN2 3 17010 57 205 1009F Sv HH C701 220 50 i C702 sov EL KCN 0S 1 0088 arta WAS 1000F 19867 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SEAVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MAAK OF THE SCHEMETIC Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes PC AUDIO IN PELO24 08 SHIELOALATE 0718 A752 19 oer PC R IN PC L IN 10701 EANA3439401 RepJacement USB 5V CONTROL 5V GENERAL 001164 W111 cnangeo for NEW
4. 30V D301 DJ 8360 JK300 CDS3C30GTH CDS3C30GTH Pid D302 30V THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES 7 SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET LG ELECTRONICS MODEL Mm19 227w0P ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE LGElectronics BLOCK Ee ie 7e Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LED_BLUE_ON LED_AMBER_ON P201 P202 5 108 5 55 12505W5 03A00 C201 R200 is KEY2 close to IC200 16200 KSM 903TM1P 30V YELLOWTA SY D204 CDS3C30GTH CDS3C30GTH D203 30V P50 H P_DET ONE H P_L ONE L H P R _ LED_BLUE LUE_ON LED_AMBEA GP34052M BER ON E55 200 B62012BO80TF HEADPHONE L HEADPHONE DET 1 1201 BG2012B0B0TF HEADPHONE R 30V 30V lt 0202 DJ 8360 JK200 CDS3C306TH CDS3C30GTH 0201 THE SYMBOL MARK OF THIS SCHEMETIC
5. 5 C 10DR2 A MDATAI 6I DOES EDI 0092 6 5 C DDR2_A_MDATA 7 DDR2 B MADR 41 10082 71 A6 DDR2 A MDATA BI ECMADRIS ore _8_moaTale AT DDR2_A_MDATAIS DOES E MADR DI 7 10092 9 C DDRE_A_MDATA 101 DORE_B_MDATA 101 Ag C 1DDR2 A MDATA 11 Dias Gc wapal g Ag 1 DDR2_B_MDATA 111 A10 AP C 100R2 A MOATAI 12 A10 AP DDR2 B MDATA 121 11 C 1DDR2 A MDATAI 131 16 gt n C 100R2 8 MDATA B_MADR 11 0092 13 141 ae 2 14 I DDR2_A_MDATA 151 Done 6 Nope DOR2_B_MDATA 151 DOR2_A_MADRIO DDAP_A_MADRI 11 0 2_ 2 DDR2 A MADRI3 DDR2_A_MADR 4 DOR2_A_MADR 5 DDA2_A MADAI6 DDA2_A MADAI 71 A_MADR 8 DOR2_A_MADR 9 DOR2_A_MADRI 101 C gt 111 DOR2_A_MADRI 12 gt 1 8V_DOR2_MAIN 3 Ba0 1 _ 2_ to DDA Power A A 4 gt 19 to DDR Power Pin VOD4 VDD4 003 B_MCLK D voDe 001 B McLk L DE gt A MCLKIC gt A MCLKA A CLKE gt A ODTL Bore 00010 009 0068 VDD87 CHECK RIPPLE CHANGE THE CURCUIT 080830 5 0009 0008 E 8 RASLO A CASL2 1 0007 NEED CHE
6. Pm Lissa 26 9 9 Fr Cal 5V GENERAL mm 1 1104 MPB7OSEN C247 LF Z 0 tur 507 Sav a 13108 CB3216PA501E ta Lio CB3216PA501E 1 1101 AZ4147D 1 8TRE4 trevi 11427 oureut INPUT o 1 1104 44 BV 00R2_MAIN SEY ca3ziGeaso 1E PANEL POWER R1102 7 1 PM_POWER 11105 AP2121N 3 43 av vooP LEPASOSE t S Cu cma EXEC 1004F Sov iv Located near to 101106 e TS 216 dur 1 BV_EXPANDER near to 11102 Am fun 1 8v_DDR 43 3V ANDD VIF fa Luteo T 3V AVDD AU C83216PA501E Sov E 7 Litas 1 cim C1197 co Sov sov T Sov 3 3V AVOD O16 EXT 50 O TUF OV 161102 MP8708EN C247 LF Z Nc E1109 5V to 3 DC DC LG ELECTRONICS 3V AVDD NEMPLL 0 ur 1 25v cORE 101105 AZIOBSS ADUTR EI
7. 124 SMAW250 04 PULL DOWN 05 001 213 MS LRCK 53148301 001 213 MS SCK 001 212 MS_LRCHL 11007 CB3216PA501E TIS 004 17 004 78 001 14 SDA SUB AMP 004 17 004 78 001 14 SCL SUB AMP 3 3V AU DVDD R1007 001 019 AMP_AST GVDD OUT 2 32 C1002 3V_AU_DVDD 1000pF 1018 OPTIC JACK HEADPHONE L OUT 5V_GENERAL 15V GENERAL 1048 EAR_L_OUT gF INL 1000 JST1223 001 c1052 16 INL O 22uF 16V INL 001 v12SPDIF_OUT L 1 1002 1934 01000 UF 16V TPAG132A2 2563052 gm vec VINPUT z OPT D1000 ces iF 91300 saata FIX POLE C1047 2 2uF Ha HEADPHONE R_OUT GO and G1 gt Gain 00 10 01 11 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 6 ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK Ame SHEET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE LGElectronics LG EL BLOCK SHEET 10 11 Copyright 2009 LG Electronics Inc All
8. PIN pas SPI Setting m High USE SPI switch UART I2c Hs z SET Pull all Pin High Elapsed Time lac USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz to 400KHz Copyright O 2009 LG Electronics Inc All right reserved Only for training and service purposes 18 4 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Utility 4 1 8 Config Connect Dis Con Read filexxx bin Hex files File Status Unused Bytes Start Addr 05000000 lt 0x00 OxFF End Addr Ox1FFFFF Batch File Elapsed Time 120 USB 450KHz 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility V4 1 8 ReConnect Blank File HDCP Key d Checksum Key 81 1 Restore Dat Program 1 1 Verify 1 Erase Device Exit ISP J lt File Area 1 Run 1 Erase Area Fist 512 KBytes 1 Partial E 1 i sor rl A d Elapsed Time 2 USB 450KHz LGE Internal Use Only USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is a
9. 2SV_AVDOLOVI 11126 Fr m zl Pa 16 T sov 14R2 A1 ttm ul E 50 Las C1150 Las BSB LBPASOLE MODEL BLOCK Power GHEET LGE Internal Use Only M 19722 7WD Se ae e Input DOWN VOL 1 DOWN CH_U 0586 5 55 30V gt lt D2 30V CDS3C30GTH D1 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 N SYMBOL MARK OF THE SCHEMETIC MODEL DATE BLOCK contro SHEET Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only INPUT 1 12505WR 03A00 DOWN RO POL K DOWN x 2 m 30V CDS3C30G TH De
10. 121 1 121 00 2 005 111 111 CI Al 11 0092 0058 0 PCM AL101 CI Al10 B_MDATA 15 191 191 B MDATA 14 IPCM A BI CI A 8 13 IPCM_A 71 CI_A 7 B_MDATA 12 PCM_A 61 cI_A16 B MDATA 111 5 5 10 IPCM A 4 CI A 4 B MDATA S PCM_A 3 cI A 3 B_MDATA 8 IPCM A 2 CI A 2 B MDATA 7 11 11 8 MDATAL6 01 101 B_MDATA 5 gt HDMI CEC gt PCM_DI0 7 8 D851M C 38 DasoM p 38 MDATAL 151 8 121 11 101 C 38 MDATA 9 C B MDATAL7 7 B MDATA 6 18 5 Next Revision Ready Stand By 0 20 080403 PCM_AI SI 10 14 gt PCM_IORD_N C3 PCM IOWR N C PCM_REG_N C3 PCM CE N C3 PCMIOR CI RD IPCMIOW CI_WR PCMREG CI 6 B_MDATAL31 2 B MDATAL11 C 18 MDATA 4 L 18 MDATAL3 8 11 318 MDATALO B_MADAI 121 B_MADAI 111 B MADRI 101 B_MADR 9 B MADA B B_MADA 7 B_MADRI8 51 B_MADAL 41 B_MADAI 31 B_MADAL 21 B_MADAL 11 B MADRIOI tor 15 Memory 9 PCM IRGA N DI IPCMIRG CI INT PCM WALT N C3 IPCMWAI
11. 7 Rese 10K REC 8 006 K4 gt ID 001 11 Changed 24K to 11K because of ID level 2008 07 11 1 DTV MNT_L_OPOUT 006 03 1606 BG2012B0BOTF 1 C630 330pF 50v R619 1K 006 Y10 C618 DTV MNT_R_OUT R65 5 6 TIS 1C600 LM3240 INPUTI INPUT 1 12V_SC 001 AB18 DTV MNT L OUT 001 4818 R63 5 6 INPUT2 INPUTa DTV MNT L OPOUT 1 006 Y13 I E d ELECTRONICS INPUT4 INPUTA l C638 T 6800pF SC2 R IN 001 V18 IDTV MNT_R_OPOUT 005 08 5 6 A654 PT 0 TV_R_OPOUT 006 H8 NEED TO CHECK RESISTOR VALUE BECAUSE AUDIO DUTPU 2008 08 30 ITV_R_OUT 001 AC15 INPUT3 1 TV_L_OUT 001 15 TV L OPOUT 006 MODEL 225755722 DATE BLOK SHEET LGE Internal Use Only JK703 KCN DS 1 0089 5716 MMBD3O1LT1G 30v 10702 ATBACOZEN 1950 1 8 R747 10K 8009 1 DDC_SCL VART_RX DSUB GND R DSUB GNO G 1 DDC_SDA U DSUB G DSUB GND B DSUB_HSYN DSUB_B DSUB_VSYN 3 3V_VDDP_ST R732 10K DDC_SCL UART_AX C707 68pF 1r C710 68pF C716 68pF DSUB DET
12. 1104 L105 L106 L107 Check Signal from 101 Repl 100 Copyright 2009 LG Electronics Inc All right reserved 29 LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM epis 00801 VIPSOATbL i 2 OvOTOSW C DO E _ NI Y 1 A SANI L3anvaxa oz 1 8 yndu 10 Jopuedx3 V ENS lt l l a NI Y T 2d k ci 8 0 2 6 lt LNO 1 45 S 5 00757 4 ds TOES da wa asn a 1 as 6065591 ino n ZODvZ 1uvn ozr 200 ZOOTDI 1no 377 31 ALG zova HOYYI NI VIVO SL 0055 I enm MOVE d H UI founi 5 5 AIT lt TADI NITU TANOD 2 4 _ o Jd Qd A dWOO 2 1 00 21 2 2 m 18 INONTALTTOS ENIT NI TOS NI SHAO 195 pM NN E AL 1nodO AL c E Ino 00990 WILSAS 1400 A INW ALA o TOTI SOTDI NI 225 CVLNTI NI 1
13. SC1 A IN E9 R3 i E ans SYSTEM SCL DSUB DETL 100 Bein P1014 16v UF asco 1 2 2 2 vil POWER_ON OFF 1 190 Rees GP104 2r ap 142 1SC2 R_IN 2 EAR L OUT vio aF medo SYSTEM_SDA DDC SDA UART TX i R R174 0 16V 2uF C144 EAR_R_OUT 001 D16 001 V5 OPT ie ns 5144 rm b 15V 2 16v 2 266 C146 DO _DVI eon Ms CVBS R IN eek BODTSTRAP PwML1 01 10 D1 DVI ge qp C147 COMP_L_IN HDCP EEPROM 1232 0 OPT PWM delete DI4_DVI D 5V GENERAL D2 _0VI xn 2 dude x COMP_R_IN 0 O1UF Ke 1 Feet OTV MNT R OUT 024 19 2 22K CAT24WCOBW T Y R203 Hi 8400 1 CK DVI 62 100 6170 108 Ged ONE Gi 7 R204 100 we 10K C104 DO _HDMI1 To tur 001 F19 001 V5 02 v3 F205 100 AVOUTLA 00 1 SYSTEM_SCL LIGHT SDA R104 N 22 D1 HOMI 1 DI va F206 100 AVOUTRI CH 560000 DI4 HDMI1 1 D2 _HDMI1 R105 22 SYSTEM_SDA E2 Y5 R207 100 IL 001 F19 001 V5 024 W3 R208 100 cue CK HDMI1 CK HOMI1 DTV MNT_L OUT 4940 3 3V AU AVDD UF Fi R223 22 ci 212
14. 1 8V_TU_XE i 1 1 BV TU 1 8V_TU 1507 216 1 1508 CB3216PA501E 1 8V TU CE C540 0 tuF 50v C539 100ul 15V 3V TU XE C538 ACTIVE LOW R509 10 xC5000_RESET_N 1 3 3V_TU_XE 3 500 XC5000 C538 541 18pF 22 182 T s ADDASEL 1 BV_TULXE 8504 L504 2 70 880 SCL_D_TU SDA_D_TU C535 0 1uF C543 1000 16V 50v 3 3V_TU_CE 1 BV TU CE TU TS DATAL7I TU 18 TU_TS_DATA S R523 33 8524 8525 3 3V_TU_CE 55 1 VDD 1 La 55 2 0 IF_AGC TUNER CVBS IF P O05 A11 TUNER_SIF_IF_N TUNER CVBS_IF_P MLF 1E0BA2R7J THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright 92009 LG Electronics Inc right reserved Only for training and service purposes 15 1530 1 9502 0503 1530 1 SECRET DATA1 SDA D TUI CEG355 RESET N
15. SYMBOL MARK OF THIS SCHEMETIC DIAGRAM SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERV ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes NCORPORATES CING IF IS ELECTRONICS I DOC_SDA_DVI HDMI SDA 2 3V_VDDP_ST 0 0902 5583 G MMBD301LT1G HOMI CEC MODEL 2 7 DATE BLOCK SHEET LGE Internal Use Only This parts are Located on AVSS area R1014 470 DK 3 E C1044 4700pF C1014 AVSS ULI 0 04702 ql teo cio ue C1009 R1013 1 Separate AND AVSS 0 047uF 470 3 3V_AU_AVDD R101 ci c1026 1043 3V_AU_DVDD SSTIMER GVDD_OUT 5 PVDD_A_2 L1004 CB3216PA501E 3 3V_AU_AVDD iE AVDD L1001 OBF 08220M 001 213 X JP1000 AUDID MASTER CLK L n1012 3 3 3V AU DVDD DVSS_1 11005 CB3216PA501E ix TAS5709PHPR IC1000 61006 1 1006 si CB3216PASO1E TES e 001 F9 MUTE
16. 1 BV q 1 2 3 4 5 6 7 8 TU SLEEP MODE ACTIVE HIGH LD500 SAM2333 Ov SC1 TV VOUT ISA1530ACt 0504 0506 1025 1 8V TU_CE 1 501 CE6355 TU_TS_DATAL 3 3V_TU 1510 B 3 3V TU 1504 CB3216PA501E 55655 L 100 16v 3V TU CE 216 1 0 1uF 50V TU TS CLK TU TS DATA 0 7 TS SYNC TU TS VAL TU TS DATA TU TS DATAI TU_TS_DATA TU_TS_DATAIO A528 33 9529 33 8530 9531 9505 25 38755 ALY ELECTRONICS SC4_VOUT_MUTE PULTEST OSCMODE TU TS SYNC 3 3V TU CE eed 1K MOSTRT 3v TU CE SMTEST AGC4 AGC2 GPP2 1 BV TU CE CVDD 3 DATA2 CLK2 G 3 3V_TU_CE MODEL ezio TORTE BLOCK Tuner SHEET LGE Internal Use Only 5V_GENERAL L604 0608 2803052 C516 UPG18 100uF 16v 9 Be12 PE 1180 56 2 50v ID calze 7630 10K SC 1_CVBS_IN 001 6 1610 B32 16PAS01E A SCART JACK is changed because of SCART DETECTION siganl PIN 22 is added 08 07 10 SCAHT1 DET 001 86 PT 1S1 TV VOUT 005 06 0 JP607 9 001 9 SC1 FB 001 8 Pec 29755 0
17. 3 Contrst Ratio 700 1000 Full white Full black 4 Color Coordinates CIE1931 White Wx 0 313 Wy Typ 0 329 Typ RED Rx 0 03 0 646 0 03 DVI or RGB Ry 0 334 Standard 6500K Green Gy 0 303 Full white 100IRE Gy 0 616 Backlight 100 Blue By 0 147 By 0 067 5 Response Time ms Rise Time TrR 1 3 2 6 Condition DVI or RGB Decay Time TrD 3 7 7 4 Standard Backlight100 Copyright 2009 LG Electronics Inc All right reserved 10 Only for training and service purposes LGE Internal Use Only 6 3 M237WDP LGD Module for more details refer to the module spec No Item Specification Min Typ Max Remark 1 Viewing Angle CR gt 10 Right Left 70 70 85 85 gt 10 Up Down 60 70 75 85 2 Luminance Luminance cd m2 250 300 Variation 75 3 Contrst Ratio 700 1000 Full white Full black 4 Color Coordinates CIE1931 White Wx 0 313 Wy 0 329 Typ RED 0 03 0 644 0 03 DVI or RGB Ry 0 336 Standard 6500K Green Gy 0 301 Full white 100IRE Gy 0 611 Backlight 100 Blue By 0 146 By 0 070 5 Response Time ms Rise Time TrR 1 3 2 6 Condition DVI or RGB Decay Time TrD 3 7 7 4 Standard Backlight100 Optical Test Condition Surrounding Brightness Level dark Surrounding Temperature warm up Time Contrast Brightness Active area 25 5 30 Min Outgoing condition Incas
18. DFC Working Condition Full Black Pattern All Black No pattern MSPG Pattern 2 signal D sub amp DVI No Item module Min Typ Max Remark 1 22 23 inch 40000 1 50000 1 PC Mode D sub DVI Mode Outgoing condition Input signal 100 IRE Full white pattern 8 Component Video Input Y No Specification Resolution H freg kHz V freq Hz Pixel clock MHz 1 720 480 15 73 59 94 13 500 SDTV DVD 4801 5251 2 720 480 15 75 60 00 13 514 SDTV DVD 4801 5251 3 720 576 15 625 50 00 13 500 SDTV DVD 5761 6251 50Hz 4 720 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 50Hz 7 1280 720 44 96 59 94 74 176 HDTV 720 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 10 1920 1080 33 72 59 94 74 176 10801 11 1920 1080 33 75 60 00 74 250 HDTV 10801 12 1920 1080 28 125 50 00 74 250 HDTV 10801 50Hz 13 1920 1080 56 25 50 148 5 HDTV 1080P 14 1920 1080 67 432 59 94 148 350 HDTV 1080P 15 1920 1080 67 5 60 00 148 5 HDTV 1080P Copyright 2009 LG Electronics Inc All right reserved 12 LGE Internal Use Only Only for training and service purposes 9 RGB Input No Resolution H freq kHz V freq Hz Pixel clock MHz Remark 1 720
19. G North Latin America http aic Igservice com Europe Africa http eic Igservice com LCD MONITOR TV CHASSIS LD93C MODEL M227WDP M227WDP PZL M237WDP M237WDP PZL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CONTENTS CONTENTS bla 2 PRODUCT SAFETY ian ini 3 SPECIFICA HON Eea eNA eE aeie 6 ADJUSTMENT INSTRUCTION 18 TROUBLE SHOOTING aeaea eeaeee n eiaeaen e reaa aeneae aima naan 22 BLOCK DIAGRAM pmi Hunc dan aa iia EVER AUR 30 EXPLODED VIEW m 31 SVG e eeco Copyright 2009 LG Electronics Inc All right reserved 2 LGE Internal Use Only Only for training and service purposes PRECAUTION WARNING FOR THE SAFETY RELATED COMPONENT There are some special components used in LCD monitor that are important for safety These parts are marked on the schematic diagram and the Exploded View It is essential that these critical parts should be replaced with the manufacturer s specified parts to prevent electric shock fire or other hazard Do not modify original design without obtaining written permission from manufacturer or you will void the original parts and lab
20. TS VALID TS SYNC 13 0101 49832 15 0111 PCM DI7 15 0121 78 0131 TS SYNC BUF TS VAL BUF_TS_CLK ICB00 7ALVC541A PW 3 3V_CI 00 C813 4 0 tue CRIS 7ALVC16326N 3 3V_CI 16V 6 m 2 4 16 TU_TS_SYNC 3216 2816 Tu Ts vAL D C BUF TS SYNC TU TS DATA O gt BUF TS VAL Tu TS CLK BUF_TS_DATA 0 NAND GATE BUF TS CLK THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X BADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET 6 ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Pcmcia SHEET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE ScHEMETIC LGElectronics LG EL BLOCK PCMCIA SHEET 8 11 Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 1 3 3V_VDDP_ST C HPD_HDMI 1 CEC REMOTE DO _HDMI1 DO _HOMI1 D1 HDMI 1 DI _HDMI1 D2 HOMI1 D2 _HDMI1 HDMI 2 SIDE HOMI SDA 1 5V POWER HDMI SCL 1 DDC CEC GND HDMI 5V_HOMI_2 3 3V_VODP_ST 0901 2SC3875S ALY
21. 1 Application This document is applied to LD84G chassis 22 LCD Monitor TV which is manufactured in Monitor Factory or is produced on the basis of this data 2 Designation 2 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing 2 2 Power Adjustment Free Voltage 2 3 Magnetic Field Condition Nil 2 4 Input signal Unit Product Specification Standard 2 5 Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 C Relative humidity 65 10 Input voltage 220V 60Hz 2 6 Adjustment equipment Color Analyzer CA 210 or CA 110 Pattern Generator MSPG 925L or Equivalent DDC Adjustment Jig equipment SVC remote controller 2 7 Don t push The IN STOP KEY after completing the function inspection 3 Main PCB check process APC After Manual Insult executing Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If display Error Check connect computer jig and set 3 Click Connect tab If display Can t Check connect computer jig and MStar ISP Utility 4 1 8 HS SES I2C Pin Definition sbAin SCLin C SDA C SCL out Use USB E2PROM Device Setting j Speed 74 gt 5 PortType USB Communication Setting
22. DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET E ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK conme ISHEFT 1 THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE ScHEMETIC LGElectronics LG EL BLOCK Ec 8 e SHEET 1 1 Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LG Electronics Inc Sep 2009 PINO MFL49414532 Printed in Korea
23. HOMI2 HPD_HDMI_ AD HOMI SDA_2 HOMI SCL 2 CLK AD CLK SHIELD DATAO gt DATAO SHIELO DATAO D0 HDMI2 DATA1 DO _HDMI2 1 1 D1 HDMI2 DATA2 Di _HDMI2 DATA2_SHIELD DATA2 D2 _HDMI2 D2 _HDMI2 JK902 GHO1121 HWK PF 02 DI _DVI DI DVI DO _DVI DO _OVI 3V_VDDP_ST DDC SCL DVI 3 R938 DDC SDA DVI R943 MMBD301LT1G o 5V HOMI 1 Pi 45V_ST z ENKMC2838 7112 0908 0911 MMBD301LT1G R951 100 Co EEPROM WP 8975 47K HOMI SCL 4 R967 22 AT24C02BN 10SU 1 8 5V HOMI 2 HOMI_SDA_1 5V_ST ex ly 3 HOMI2 Y 0308 ENKMC2838 T112 0912 5 MMBD301LT1G HOMI2 100 VIN EEPROM_WP 976 1 HOMI SCL 2 R958 22 AT24C02BN 1050 1 8 CEC_REMOTE 5V DVI a ENKMC2838 1112 0910 R977 1 10K DVI DET R941 8945 R970 1 EEPROM WP 47K R944 1 DDC SCL DVI 0903 30v M CK DVI AT24CO2BN 10SU 1 8 THE
24. MODE USB 0CO 001 amp JK705 PPJ148 07 CVBS RDICONTACT ADIO SPRING 7WDP NO CVBS RD IGND TWHIC LUG L eC 256007 eves E WHIGND YL CONTACT EZ YL 10 SPRING EZ YLIGND THE i m GENERAL d C740 iK tur CVBS 5600F Cves DET 1 LG ELECTRONICS 4727 MODEL DATE BLOCK Interface SHEET LGE Internal Use Only 5V_GENERAL 10067972 050LF 010 7 ARB3133 PCM_DI3 PCW DT4T 78 0141 BUF_TS_CLK BUF_TS_SYNC BUF_TS_VAL TU_TS_DATA 0 7 PCM_DIE TS_DI6 RB26 10K PCM_A 0 14 78 0171 OPT 2010 A4 PCM A 111 824 47 PCM_OE_N BILE PCM PCM_TOWR_NI PONCATE TU_TS_DATA O TU TS DATA 11 TU_TS_DATA 21 823 47 TU TS DATA 3l I 5 5V GENERAL TuU_TS_DATAL A 33 7 Dear PCM_IRGA_N R830 TU TS DATA SI ta TS DATA 6l C809 0 16V TU TS DATAL7I PCM WE N PCM_RESET PCM_REG_N TS_CLK
25. OxAA RGB address of EEPROM OxA2 is or not If OxAA RGB address of EEPROM OxA2 isn t OxAA we adjust once more We can confirm the ADC values from 4 9 RGB addresses in a page OxA2 Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute ADC Adjust by pushing PD key at ADC CALIBRATION RGB EZ ADJUST 1 ADC ADJUST 2 SUB B C ADJUST 3 W B ADJUST 4 WHITE PATTERN R OFFSET G OFFSET B OFFSET LGE Internal Use Only 3 1 2 COMPONENT input ADC 3 1 2 1 Component Gain Offset Adjustment Convert to Component in Input source Signal equipment displays Impress Resolution 10801 Model 223 in Pattern Generator 1080i Mode Pattern 65 in Pattern Generator MSPG 925 SERIES Adjustment pattern COMPONENT Adjust by commanding AUTO_COLOR_ADJUST 3 1 2 2 Confirmation We confirm whether 480i OxBC 1080i address of EEPROM 0xA2 is or not OxB3 480i 0xBC 1080i address of EEPROM 2 isn t we adjust once more We can confirm the ADC values from 0xAD 0XB2 480i OXB6 BB 1080i addresses in page Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute ADC Adjust by pushing key at ADC CALIBRATION COMPONENT Impress Resolution 1080i EZ ADJUST 1 ADC ADJUST SUB B C ADJUST MES B ADJUST B GAIN 2 3 4
26. Shooting Check inpu t signal format Is it supported Check AV Ca ble S Video Cable f or damage or open conn ector Check signal R611 AV_CVBS R625 R626 S_Video Replace R6 11 R625 R626 Check signal RGB R116 R113 R114 Replace 1 16 R113 R114 C137 C134 C135 C137 C134 C135 101 has problem Wave form of R611 CVBS Wave form of R625 S video Wave form of R626 S video Copyright 2009 LG Electronics Inc All right reserved 27 Only for training and service purposes LGE Internal Use Only 7 HDMI Video Trouble Shooting Check input signal format Is it supported Check HDMI Cable for damage or open connnector Check JK900 JK901 for proper connection or Replace connector damage Check EDID NVRAM IC902 1 903 Redownload EDID data or Power 12C Signal 5 6 Replace 901 902 Check HDCP Key NVRAM IC102 Replace 102 Power 12C Signal 5 6 Replace Mstar IC100 Copyright 2009 LG Electronics Inc All right reserved 28 LGE Internal Use Only Only for training and service purposes 8 All Source Audio Trouble Shooting Make sure you canit hear any audio and Device suppor t the audio signal norm ally Check Speaker and its wire connection P1000 Replace connector or Speaker And the resistance Check 15V From Power board P1101 Pin 1 2 Replace Power Board or Check And Check Audio Amp Power 12V L1002 11003 IC1000 Check Signal from 1000
27. WHITE PATTERN R OFFSET G OFFSET B OFFSET 3 2 Function Check 3 2 1 Check display and sound Check Input and Signal items cf work instructions TV AV SCART1 SCART2 CVBS S Video COMPONENT 10801 RGB PC 1920x1080 60Hz DVI PC 1920x1080 60Hz HDMI PC Audio In Display and Sound check is executed by Remote controller Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 20 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition 210 9 Test signal Inner pattern 85IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control 15 Pin D Sub Jack is connected to the AUTO W B EQUIPMENT Adjust Process will start by execute 2 Command Inner pattern OxF3 OxFF pop Kk da M237WDP 216gray 8SIRE CRUESA 0 329 0 015 el Pe em Lom mm E Ee Tem Eom e Tem tsa m Adjust Process will finish by execute 2 Command Inner pattern Inner pattern 0xF3 0x00 Color Temperature lt Test Signal gt Inner pattern 216gray 85IRE Caution Color Temperature COOL Medium Warm One of R Gain G Gain Gain should be kept on 0 0 and adjust other two lower than CO when R G B Gain are all CO it is the FULL Dynamic
28. 01 ODC ON OFF 0401 9402 v waa oS oo 5 H E LED_AMBER 2SA1530A T112 1R LED_BLUE 25 1530 112 1 1K SMW200 28C P1103 ww LED AMBER 1 18A1530AC1 12v DIP 8435 100 HWRESET C418 2 2uF 50v OPT THE A SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILAE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET 6 ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK wesuisscc GHEET 4 11 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics LG EL BLOCK Moduie amp cti SHEET ASSAI Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only c500 56pF 50v S D 8 gt 5 B L502 O603CS 6NBXGLW 270nH 0603C5 R27XGLW L501 RCLAMPO5028 0500 NEED TO CHANGE NEW PAL SHIELD CASE 2008 08 30 L500 8800 Pn MLF 160BA2R7J TUNER SIF IF N C508 1505 B20nH 1008CS B21XGLI O603CS R38XGLW m DTV_IF_N 005 4 0501 ISA1530AC4 1SA1530AC1 8500 51 0 3V TU XE
29. 102138 62102037 COMP DET DJ HEADPHONE_DET SCART1 DET SCART2_DET Sc_REC2 SC_REC1 4 F6 R GPIO14 DTV MNT V QUT 2 e eyw bc GPIO 3 nisi ae I 00 5 0 MI SDA GPI1012 IDACSVM R187 E lt 1 HOMI SDA 1 HOMI SCL 1 Y 22 2 HOMI SDA 2 14 22 HDMI2 2 15 15 5 50 wid C IsvsTEM SCL F4 8 100 HOTPLUGA C HPD_HDMI 1 9 400 HOTPLUDB i 106 HOMI HPD HDMI 2 Lo P A 299 cur cec VOLTAGE DETECTOR m Mstar reset Active hign reset Ut OUT IC105 4 528 13 621000 14 GPIO01 15 GPIO02 16 GP1003 17 6 1004 18 GPIO05 18 621006 20 GP1007 21 621008 22 621009 23 621010 24 GPIDI1 1 BV EXPANDER 3V_VDDP_ST o gear C176 G 22uF J THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET G ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK vaina SHEET 3 11 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics LG EL BLOCK MUNDI SHEET 1 11 Copyright 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Inter
30. 107 amp Voltage Level 5V Recheck Check X101 Clock Replace X101 12MHz Y Wave form of X101 Copyright 2009 LG Electronics Inc All right reserved 22 LGE Internal Use Only Only for training and service purposes 2 No OSD Trouble Shooting Check P1101 9 Check GPIO Path INV_ON high Refer to Appendix 1 1 Check Power Board 15V 2 Check IC1107 Output voltage 5V 3 Check P304 1 2 3 5V 1 Replace Power Board 2 Replace 1107 Check 1103 13 14 25 26 100 has problem Check LVDS Cable for damage or open Replace Cable conductors Check LCD Module Control board Refer to Module CAS Copyright 2009 LG Electronics Inc All right reserved 23 LGE Internal Use Only Only for training and service purposes 3 Digital TV Video Trouble Shooting Check RF Cable Y Check Tuner 5V Power amp Q1105 5V Y Check LD500 color Yellow gt none Replace Q1105 Bad Tuner Replace Tuner None Check TP Clock Data Sync N R521 R532 R533 Mabe Tuner IC500 has problems Check Demodulator Input Clock Replace X500 500 31 875 2 501 20 48MHz 501 1103 100 h 13 14 25 26 100 has problems Check LCD Module Control board Refer to Module CAS cr uestes de Osis Orem P een ut 1 Wave form of 500 Copyright 2009 LG Electronics Inc All ri
31. 11 Surface Treatment Hard coating 3H amp Anti glare Haze 25 12 Operating Mode Normally White 13 Backlight Unit 4 CCFL 4 lamps 14 Response Time Rising Time 1 3 Falling Time 3 7 ms Typ 15 Color Gamut 72 Copyright 2009 LG Electronics Inc All right reserved 6 Only for training and service purposes LGE Internal Use Only 4 2 M227WDP PZL AUO M215HW01 V0 P N EAJ55729601 No Item Specification Unit Remark 1 Type TFT Color LCD Module 2 Diagonal Size 21 53 inches 546 86mm diagonal 3 Active Display area 476 64 H 268 11 V mm 4 Outline Dimension 495 6 H x 292 2 V x16 35 D mm Typ Without Inverter 5 Aspect Ratio 16 9 6 Pixel Number 1920 x RGB x 1080 pixel 7 Pixel Pitch 0 248 H x 0 248 V mm 8 Color arrangement RGB vertical Stripe 9 Color Depth 16 7M color 6bit with Hi FRC 10 Electrical Interface LVDS 2Port 11 Surface Treatment Hard coating 3H amp Anti glare Haze 25 12 Operating Mode Normally White 18 Backlight Unit 4 CCFL 4 lamps 14 Response Time Rising Time 3 8 Falling Time 1 2 ms Typ 15 Color Gamut 7296 4 3 M237WDP PZL LGD LM230WF1 TLA3 P N EAJ60682701 P7 ZBD REPLACEMENT MODULE LGD LM230WF1 TLA6 P N EAJ60682703 P7 ZBD Magna Drive IC No Item Specification Unit Remark 1 Type TFT Color LCD Module 2 Diagonal Size
32. 22 LGD 50 000 Hours min 23 LGD 50 000 Hours min Using Altitude 5 000 m for Reliability 3 000m for FOS Operating Environment Temp 10 C 35 C Humidity 20 80 10 Storage Environment Temp 10 C 60 C non condensing Humidity 5 90 non condensing Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 Chroma amp Brightness 6 1 M227WDP AUO Module for more details refer to the module spec No Item Specification Min Typ Max Remark 1 Viewing Angle CR gt 10 Horizontal 150 170 gt 10 Vertical 140 160 2 Luminance Luminance cd m2 240 300 Variation 75 80 3 Contrst Ratio 600 1000 Full white Full black 4 Color Coordinates CIE1931 White Wx 0 313 Wy Typ 0 329 Typ RED 0 03 0 648 0 03 DVI or RGB Ry 0 339 Standard 6500K Green Gy 0 282 Full white 100IRE Gy 0 603 Backlight 100 Blue 0 143 0 070 5 Response Time ms Rise Time TrR 3 8 5 5 Condition DVI or RGB Decay Time TrD 1 2 2 5 Standard Backlight100 6 2 M227WDP LGD Module for more details refer to the module spec No Item Specification Min Typ Max Remark 1 Viewing Angle CR gt 10 Right Left 70 70 85 85 gt 10 Up Down 60 70 75 85 2 Luminance Luminance cd m2 250 300 Variation 75
33. 23 inches 584 2mm diagonal 3 Active Display area 509 184 H 286 416 V mm 4 Outline Dimension 533 2 H x 312 V x16 5 D mm Typ Without Inverter 5 Aspect Ratio 16 9 6 Pixel Number 1920 x RGB x 1080 pixel 7 Pixel Pitch 0 265 H x 0 265 V mm 8 Color arrangement RGB vertical Stripe 9 Color Depth 16 7M color 10 Electrical Interface LVDS 2Port 11 Surface Treatment Hard coating 3H amp Anti glare Haze 25 12 Operating Mode Normally White 13 Backlight Unit 4 CCFL 4 lamps 14 Response Time Rising Time 1 3 Falling Time 3 7 ms Typ 15 Color Gamut 7296 Copyright 2009 LG Electronics Inc All right reserved 7 LGE Internal Use Only Only for training and service purposes 5 General Specification 5 1 TV No Item Specification Remarks 1 Market EU PAL Market 26Countries DTV amp Analog UK France Germany Spain Sweden Finland Italy Netherland Belgium Czech Luxemburg Greece Denmark Austria Hungary Switzerland Croatia Turkey Analog Only Poland Portugal Norway Bulgaria Serbia Slovenia Russia Romania 2 Broadcasting system 1 PAL BG 2 PAL DK 3 PAL I I 4 SECAM L L 5 DVB T 3 Receiving system Analog Upper Heterodyne Digital COFDM 4 Scart Jack 2EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT ATV Scart 2 jack is Half scart and support MNT DTV OUT 5 Component Input 1EA Y Cb Cr Y Pb Pr 6 RGB Input RGB PC Analog D S
34. 28Byte Connect D sub Signal Cable to D Sub Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not 4 4 DDC EDID Write DVI 128Byte Connect DVI D Signal Cable to DVI Jack Write EDID DATA to EEPROM 240C02 by using DDC2B protocol Check whether written EDID data is correct or not 4 5 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 21 4 6 Serial number RS 232C Press Power on key of service remocon Baud rate 115200 bps Connect RS232 Signal Cable to RS 232 Jack Write Serial number by use RS 232 Must check the serial number at the Diagnostics of SET UP menu Refer to below _ Serial No Software Version 2 100 Software Update Off Diagnostics LGE Internal Use Only TROUBLESHOOTING 1 Power Up Boot Fail Trouble Shooting Replace Power board Check P1101 All Voltage Level 5V 15V Check Power connctor Check 1102 Output Voltage Level 3 3V Replace 101102 Check 1C1104 Output Replace 1104 amp Voltage Level 1 8V Recheck Check 1105 Output Voltage Level 12V Replace 101105 Check IC1107 Output Replace IC 1
35. 400 31 468 70 08 28 321 2 640 480 31 469 59 94 25 175 3 640 480 37 5 75 31 5 4 800 600 37 879 60 317 40 0 5 800 600 46 875 75 0 49 5 6 1024 768 48 363 60 0 65 0 7 1024 768 60 123 75 029 78 75 8 1152 864 67 500 75 000 108 0 9 1280 1024 63 981 60 02 108 0 10 12801024 79 976 75 035 135 0 11 1680 1050 64 674 59 883 119 0 12 1680 1050 65 290 59 954 146 25 13 1600 1200 75 0 60 0 162 0 14 1920 1080 66 587 59 934 138 5 10 RGB EDID Data 10 1 M227WDP Product ID 22388 Copyright 2009 LG Electronics Inc All right reserved 13 LGE Internal Use Only Only for training and service purposes 11 DVI Input Resolution H freq kHz V freq Hz Pixel clock MHz Remark 1 720 400 31 468 70 08 28 321 2 640 480 31 469 59 94 25 175 3 640 480 37 5 75 31 5 4 800 600 37 879 60 317 40 0 5 800 600 46 875 75 0 49 5 6 1024 768 48 363 60 0 65 0 7 1024 768 60 123 75 029 78 75 8 1152 864 67 500 75 000 108 0 9 1280 1024 63 981 60 02 108 0 10 1280 1024 79 976 75 035 135 0 11 1680 1050 64 674 59 883 119 0 12 1680 1050 65 290 59 954 146 25 13 1600 1200 75 0 60 0 162 0 14 1920 1080 66 587 59 934 138 5 12 DVI EDID Data 12 1 M227WDP Product ID 22389 Copyright 2009 LG Electronics Inc All right reserved 14 LGE In
36. CK RIPPLE AND CHANGE THE CURCUIT 080830 8 CASE AWE 0006 BENE 0006 0005 0005 A DGS0PL 1 31 VDDG4 0050 VDDG4 34 0003 0051 0003 0002 0002 0001 _ 2 0001 B DGM1L 1 34 051 for 16 Memory A BA2 I B DGS1ML 1 for 16 Memory B_BA2 DE 55010 5509 5508 VSSO7 VSSO7 5506 5506 1 8V_DDA2_MAIN 5905 1 8V_DOR2_MAIN 5505 5504 5504 5503 5503 5502 5502 5501 5501 vSS010 5509 5508 DORP_A_MDATA 111 A MDATAL 111 DDR2_B_MDATAL 411 B_MDATAI 111 DDR2_A_MDATA 121 121 88309 DOR2_B_MDATA 121 B_MDATAI 121 DOR2_A_MDATA 9 A_MDATA 9 28 ieu 0082 8 9 MDATAIS DDR2 A MDATAL 141 A MDATA 141 DDR2 B MDATA 14 14 40 1392 56 gt pone B 101 E A MADRI 11 11 DDA2_B_MADRI 11 A MADRI 101 Oba x MADE V eg A MDATA 41 A MOATA 4 A MADR S DDR2 A MADRISI B MDATALA B_MOATAL4 8 MADRIS AMD DDRe B MADRISI DOR2_A_MDATA 31 49310 DDA2_B_MDATA 3 B_MDATA 3 DOR2_A_MDATA 1 111 19 DDA2_B_MDATA 1 _ 11 DORE 1 A MADRIS DOR2_A_MA
37. DAI9 SAPERI B MADR 7 E RV gt DOR NADA A MADRI 121 DDR2 A MADRI 121 B MADR 9 gt DDR2 B MADRISI A_MADAI 7 DDR2_A_MADR 7 4212 2 DDR2 MADRI 121 ODR2_A_MDATA 151 A MDATA 151 A_MADA 31 DOR2_A_MADR 3 DOR ACHDATAIB Perry 211 DDR2_B_MDATA 8 B MDATA 8 ODR2_A_MDATA 101 101 DOR2_B_MDATA 10 B_MDATA 101 ODR2_A_MDATA 131 A_MDATA 131 B_MDATAL 13 R399 56 2 _ pone D MATA La B_MADRIO CO aA gt MADRI 0 2 0082_ _ 2 8 MADRI2 CO paYs DOR2_B_MADA 21 4 DOR2_A_MADR 4 8 MADRI 41 L DOR2_B_MADR 4 DDR2_A_MDATA 7 A MDATAI7 A MADA 6 DOR2_A_MADR 6 DDR2_B_MDATAI7 B_MDATAI7 8 WW DOR2_8_MADA 6 DDR2 A MDATA OI DDR2 A MDATA 2I 2 0092_ 5 DDR2_B_MDATA 151 151 DDR2 B MDATA O B MDATA 0 DDR2 B MDATA 2 2 DDR2 B MDATA S B_MDATAIS 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 LG ELECTRONICS MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR BLOCK oce SHEET Zi THE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC LGElectronics BLOCK DDR2 SHEET 3 11 Copyri
38. DD_VIF C214 T 3V VODP 0 1UF A MADR 6 A MADR 5 AVDD_DM 5 vODP 1 0111 A MADR A MADRI3 4 1 BV DDR2 MAIN 71029 010 _ 2 _ 1 A MADRLO A_BADA 2 3 3V_AVDD MEMPLL Tos Tor is 3V_AVDD_OTG A MADRI 12 DDR MEMORY A MADRI 111 A MADRI 101 91 A_MADAI 71 A MADR EI A MADRISI A MADRI 41 A MADRI 3 21 11 A MADA 0 2 1G M A MCLK A MCLK A CLKE A DDT A RAS A CAS 0 1UF 20 142 cate 50v 50v 75 0161 T 7 O 1uF 13 3V_AVDD_VIF TSODATAI71 TSODATAI61 TSODATAIS TSODATA 4 TSODATAI3 TSODATA 2 TSODATA 1 TSODATA 0 TSOCLK TS_VALIDI TSOVALID AVDD_DDR_2 Ts syncl TSOSYNC AVOD DOR 76 10 TSADATA BUF _TS_CLKL TS1CLK A BADRI 11 BUF_TS_VAL TSAVALID A BADR 0 BUF_TS_SYNC TS1SYNC A MCLK raon 1 25V_VDDC A MCLKZ PaM DISI PCM_0 71 CI_DI7 A MCLKE POM DISI PCM_0I61 cI_016 A_00T 51 0151 A WEZ ceri mE 41 141 A RASZ du 0 1uF PCM DI31 d 2 50 50v 50v PCM DI2 PCM D 3 CI DI3 A CASZ PCM_DI21 CI DI2 B_MVREF PcM DI1 CI D 1 1 PCM_DI0 CI_DIO 8 0092_D0M 01 IPCM A 14 CI A 14 0082 00 1 _ 131 1_ 113 B8 DDRe DGS O
39. DVI DET RISSA Ci23 IGINIP sPI_SDO _ BINIP R146 470 C124 SPI CSN 1 23 106 SOGINI 100 362 10 3 3V_EXPANDER aa Or v i n T 165 47 5 Hae a2 USB DM R149 47 C126 D 1 5 1 61 4 150 47 C127 GIN2P 058 0 55 1958 09 3 3V_EXPANDER K5 CVBS OUT Revo 470 C128 5 USB DP P1 ED iur pe usa cro JK tour 8153 100 usa_veus_p1 28 ka 9 tuF 8128 5 1 SCL_EXPANDER R154 1 2K R127 5 SDA_EXPANDER M6 GPIO 9 mn na GPIO 8 cves7 1017 cvase VS 0691016 cvess TEST QUT perso gy 0 047UF vi LGEAORC LF zu Mose cves3 SC2_CVBS_IN 12 1 cvas2 VDDC HWRESET SC1 CVBS INE C135 0 0470 215 ICVBS1 DDC_SDA UART_TX 47 136 621036 621015 621015 6P1037 pia 0 047uF vaso C 10DC SCL UART RX GPIO3B H GPI039 SLEEP gt oDc ON OFF gt PANEL CTL SC1_VOUT_MUTE gt EEPROM_WP C CVBS DET 621032 621033 GPIO34 GP1035 62102946 62102845 H 62102744 62102643 621031 48 62103047 62102542 62102441 62102340 62102239 62
40. F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the 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 Some chassis circuit boards 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 Dr
41. Pe L601 8G20 12B080TF SC1 L IN 001 19 oy C603 Wi 1000pF 50v 8609 10K 1 lt TV_L_OPOUT C633 006 AA3 I 6800pF L600 BG20128080TF 1000pF 50v 1 12V 1613 CB3216PA501E 001 85 SC_REC1 I 6800pF ITV_R_OPOUT 006 AA9 SCA 12V_SC c629 SCi R IN 001 v19 0606 25038758 0605 001 B6 SC_REC2 7636 R633 3 9K THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM I SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVI ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS THE CRITICAL COMPONENTS IN THE A SYMBOL MARK Copyright 92009 LG Electronics Inc All right reserv Only for training and service purposes CORPORATES X RADIATIO CING IF 15 BE USED FOR THE SCHEI ed 2SC3875S ALY REC 8 006 15 9604 i 25 758 ALY 4 89V 9 09 1 040 5 19V 10 91V Kohm LOAD SECRET SC1_ID 001 V14 302 10 7 DTV MNT R OPOUT 45 GENERAL En SC2_CVBS_IN SCART2_DET R670 001 86 CB44 1 0 4uF 16V 12V_SC CB3216PASO1E 4 1 2 v OUT 001 6 001 V18 1280 SC2_L_IN 9520 1K C636 I
42. Range of Module W B condition Surrounding Temperature 20 80 Surrounding Temperature 25 5 C warm up Time Under 5 Min Manual W B process using adjusts Remote control After enter Service Mode by pushing ADJ key Enter White Pattern off of service mode and change off gt on Enter W B ADJUST by pushing p key at 5 W B ADJUST EZ ADJUST 2249 TEMPERATURE G GAIN B GAIN 1 Tool Option 2 ADC CALIBRATION External DTV 3 ADC CALIBRATION Internal 4 ADJUST R OFFSET G OFFSET B OFFSET COPY ALL 6 WHITE PATTERN Off 7 EDID D L LGE Internal Use Only After done all adjustments Press In start button and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory JIG model Don t push The STOP KEY after completing the function inspection When doing Adjustment Please make circumstance as below LCD Module CA 210 or Equivalent Optical Stage x y 10 50cm 4 2 DPM operation confirmation Only Apply for MNT Model Check if Power LED Color and Power Consumption operate as standard Set Input to RGB and connect D sub cable to set Measurement Condition 100 240V 50 60Hz Confirm DPM operation at the state of screen without Signal 4 3 DDC EDID Write RGB 1
43. T CI PCM 0E N C PCM WE N C3 PCM RESET 5 PCM CD NL 1 12 B MADRI 11 B_MADAI 10 B_MADA 9 B MADA 8 B_MADA 7 BMADR 6 B MADRIS B_MADA 4 B_MADA 3 B_MADA 2 B_MADA 1 B BADR 21 B_BADA 1 B BADA 0 B_MCLKZ B_MCLKE B WEZ B_RASZ 52 MODEL 227220 DATE BLOCK mame SHEET 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 A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 4 8V_DDR2_MAIN m 1C301 HSPSSiBerFH Sec H5PS5162FFR S6C 9355 0319 C320 2 K VREF HYNIX I A MDATAIOI 2 I9 HYNIX 0082 Sirs 2 5 DOR2_B_MDATA 11 C DDR2_A_MDATA 21 0 10082 2 M EAN55705501 0DR2_A_MDATA 31 DDR2 B MADRIO M EANS5705501 3 DOR2_8_MDATA 3 2 0692 4 2 1 2 141 C 1002 A MDATAIBI Dope E
44. TV L OUT 7K 9 C _01 Yo TV R OUT 3 3V_AVDD 43 3v VDDP ST gt LIGHT SDA SUB AMP R224 22K 16M FLASH MEMORY 1 104 57457501 C A DIM TOv EAN5739540 1 NUMONYX SIDE HDMI SDA D TU Se SUB AMP PAEH Mx25L12605DMI 206 EAN57454 101 SPANSION HDMI2 gt C scL D TU 0 01uF w 7 SPI SCK 02 12 gt gt Flasn wP 1 Zr 1 gt 15 1 10 56000 1 3V_AVDD_DVI CK HDMI2 gt lt kevi 321 501 I KEYO 0 VIDEO IN JRTC INT 125_0UT_MCK AUDIO MASTER CLK 138 0UT BCK MS_SCK SPI CSN C113 MS LRCK 141 47 C114 110 04702 145200728 DSUB GND AL 15S OUT SD 5 R158 0 0474 DSUBAL 27 125 8 001 gt LED_AMBER R159 47 C4116 0 047UF gt GND GL PD IF _OUT SBI SDO 10 OSUBLGND_G nieo May cia7 110 SPDIFO SPOIF 0U DSUB GL 125 1N BCK 0 E USUB GND_B Il A2 ce 13S_IN_WS C LED_BLUE 1 C111 8140 390 1X 2 Flash memory CS WP pull up Resistor Ready 4 7K DSuB_BL DET 149 IN SD R142 470 C120 000pF SPDIFI EXPANDER DSUB_HSYNC B147 22 R148 22 t DSUB VSYNC SPI SCK 3 3V_EXPANDER P PeL 47 C121 gt COMP_Pr 521 501 J
45. UB 15Pin 7 DVI Input DVI D Digital 8 HDMI Input 1EA HDMI DTV HDMI version 1 3 Support HDCP Not support PC 9 Audio Input 2EA RGB DVI Audio Component L R Input 10 SPDIF out 1EA SPDIF out 11 Earphone out 1EA Antenna AV1 AV2 Component RGB DVI HDMI 12 USB 1EA Picture Music Software Update Picture Music 13 RS 232C 1EA Commercial Mode Copyright 2009 LG Electronics Inc All right reserved 8 Only for training and service purposes LGE Internal Use Only 5 2 DVI Item Specification Remarks Supported Sync Type Separate Sync Digital 2 Operating Frequency Analog Horizontal 30 83kHz Vertical 56 75 Hz Digital Horizontal 30 83kHz Vertical 56 75 Hz 3 Resolution Analog Max 1920x1080 60Hz Recommend 1920x1080 60Hz Digital Max 1920x1080 60Hz Recommend 1920x1080 60Hz Input Voltage Voltage 100 240 Vac 50 or 60Hz Inrush Current Cold Start 50 A Hot 120 A Operating Condition Sync H V Video LED Wattage Power S W On Typ On On Active Blue 53W mode Max On On Active Blue 60W M227WDP PZL Typ On On Active Blue 55W Max On On Active Blue 60W M237WDP PZL Sleep mode Off On Off Amber 1W RGB DIV Power S W Off Off mode Off Off 0 5W 7 MTBF 50 000 HRS with 9096 Confidence leve 22 AUO 40 000 Hours min Lamp Life
46. acement 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 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 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
47. ause short and may burn or take fire Leakage Current Hot Check Circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed E METALLIC PARTS lt MW 1 5 10 When 25 is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 Q Base on Adjustment standard Replaceable batteries CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS 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 re connecting 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 resu
48. aw 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 shape the end of each of three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as possible to diode body 2 Bend the two remaining leads perpendicular
49. e of Vivid Mode high level saturation may be occurred Check gray linearity at standard mode 1 Active area of LCD PANEL is in bezel of cabinet 2 Interval between active area and bezel IA Bl lt 1 0 mm IC Dl lt 1 0 mm A Interval between left of active area and bezel B Interval between right of active area and bezel C Interval between top of active area and bezel D Interval between bottom of active area and bezel gt Active Area A B D gt Bezel Copyright 2009 LG Electronics Inc All right reserved 11 Only for training and service purposes LGE Internal Use Only 7 Optical Feature 7 1 Mode Mode Outgoing condition Input signal 100IRE White pattern Pattern 4 MSPG Luminance cd m2 C R min No Item module Remark Min Typ Max Min Typ 1 22 23 inch 240 230 600 700 ROB amp DYI DFC 50000 1 If input signal is 100 IRE full white pattern the luminance and color coordinate will depend on the panel When testing DFC please wait for at least 1 minutes after checking luminance at black pattern 7 2 Av Mode Mode Outgoing condition Input signal 100IRE White pattern Pattern 4 MSPG series Luminance cd m C R min No Item module Remark Min Typ Max RF AV COMPONENT HDMI 1 22 23 inch 170 200 500 REAWGCOMPONENT HDMI Test condition 7 3 Special feature DFC
50. ght 92009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Out P402 10031HR 30 3 3V_VDDP_ST P400 5 108 5955 0 5 d 20 22 23 BDI ONL LVA 3PL OP Ti 0400 5 COS3COSGTA 0401 5 6V COSSCOSGTA 5V_GENERAL S LVA CKP a 1406 840 8620 12B0BOTF TIS LVA_CKM HEADPHONE DET a meme a f lele wll veinile m x LVA 2P 1400 862012 HEADPHONE L OUT LVA_2M 1402 8620 12BOB0TF HEADPHONE R DUT lt AN LVA 1P m 862012 LED_BLUE_1 LVA IML LVA_OP 1403 B620 12B080TF LED_AMBER_1 LVA_OMI 5 1404 B620 12B080TF LVB_3PI IR LVB_3ML 1405 CB3216PA501E LVB_CKP LVB_CKML 5 5 5 6V 0407 OPT CDS3COSGTA pit 0408 5 30v 30v 30v 30v COSSCOSGTA Pit LVB_2P LVB 2M 0406 lt D402 CDS3C30GTH 0403 CDS3C30GTH CDS3C30GTH LVB_1P LVB_1ML LvB oP LvB_OM 270 R423 0 20 22 23 R400 SR4
51. ght reserved 24 LGE Internal Use Only Only for training and service purposes 4 Component Video Trouble Shooting Check input signal format Is it supported Y Check Component Cable Check JK700 Replace JK602 or Check Divice Y Check R164 R144 R145 C1121 C122 C123 Check signal C1121 C122 C123 IC100 has The Waveforms depend on input signal Gee I mes Ve ATTI E Umm m Wave form of Comp Y Wave form of Comp Pb Wave form of Comp Pr Wave form of C121 Wave form of C122 Wave form of C123 Se b pes cs Pu Cee m Copyright 2009 LG Electronics Inc All right reserved 25 LGE Internal Use Only Only for training and service purposes 5 RGB Video Trouble Shooting Check input signa format 15 it supported Check RGB Cable connector for damage Check JK703 Replace JK703 Check signal Hsync Vsync R729 R730 Replace R729 R730 Check signal RGB Replace R158 R160 R162 R158 R160 R162 C115 C117 C119 C115 C117 C119 100 has problem Wave form of R730 Vsync Wave form of R729 Hsync lt lt cei vati n EAE se us caa De n n ni Wave form of R158 C115 Wave form of R160 C117 Wave form of R162 C119 Copyright 2009 LG Electronics Inc All right reserved 26 LGE Internal Use Only Only for training and service purposes 6 AV Video Trouble
52. heet is applied to the 227 23 LCD Monitor TV used LD93C chassis 2 Specification Each part is tested as below without special appointment SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 3 Test method 2 1 Temperature 25 5 C 77 9 F CST 40 5 C 3 1 Performance LGE TV test method followed 3 2 Demanded other specification Safety CE IEC specification EMC CE IEC Safety IEC EN60065 EMI EN55013 2 2 Relative Humidity 65 10 2 3 Power Voltage Standard input voltage 100 240V 50 60Hz EMS EN55020 Standard Voltage of each products is marked by models 2 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 2 5 The receiver must be operated for about 5 minutes prior to the adjustment 4 Module Specification 4 1 M227WDP PZL LGD LM215WF TLA1 P N EAJ60156901 P6 No Item Specification Unit Remark 1 Type TFT Color LCD Module 2 Diagonal Size 21 53 inches diagonal 3 Active Display area 476 64 H 268 11 V mm 4 Outline Dimension 495 6 H x 292 2 V x16 5 D mm Typ Without Inverter 5 Aspect Ratio 16 9 6 Pixel Number 1920 x RGB x 1080 pixel Pixel Pitch 0 248 H x 0 248 V mm 8 Color arrangement RGB vertical Stripe 9 Color Depth 16 7M color 6bit with A FRC 10 Electrical Interface LVDS 2Port
53. id 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 used 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 2009 LG Electronics Inc All right reserved 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 repl
54. lt 25 LGE Internal Use Only 30 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer Copyright 2009 LG Electronics Inc All right reserved 31 LGE Internal Use Only Only for training and service purposes EEPROM 1C101 EAN43349001 STM LD93C UA NOE AU TVX EAX61341503 D 5V_GENERAL IC101 Swap port TX RX AT24C5 128W SH T RSe32C TXD 48 AUVRM RSe3ec RxD 0 6210147 CEB355 RESET N CH un AUVAG c HIPTUNER va 0 1uF 149 5v ST 5000 CH a 9 ito UN Fasc NG P5 16V SCL EXPANDER lt 9210144 PB 16 001 016 001 5 R139 AMP_AST CO 6 1016 euF 1 sci
55. lt 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 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 is 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 sol
56. nal Use Only 100 FHFG SATURN4 NO HD LVA_OM A MVREF LVA OP A DOR2_DOM 1 LVA_1M 0092 00 0 LVA 1P A DDR2 DGS 11 LVA 2M 0082 005101 LVA_2P A DDR2 DGSB 1 LVA_CKM A_DDR2_DOSB 0 LVA_CKP 151 LVA_3M ILVA3M 14 LVA 3P ILVA3P A MDATA 13 LVA4M 121 LVA4P A MDATA 11 LVB 0M ILVBOM 101 LVB_oP LvBoP A MDATA 9 LVB 1M LVB1M A MDATA 8 IC100 3 3V AVOD AU LVB_1P LvB1P _ 7 MSD237HFG SATURN4 NO HD DIVX 4 c200 5 3V AVDD LPLL LVB_2M LVB2M A MDATA 6 to swap even C A D M1 C A_DOMO C 1A Das1P C 1A DOS1M J A DaS0M 151 7 1141 F_YA MDATA 131 121 111 1 MDATA 101 L 1A MDATA S JA_MDATA 8 A MDATAL 7 A_MDATA 6 7 A MDATA 5 A MDATA 4 2 1 8V_DDR2_MAIN 0 1uF 266 LVB 2P LvB2P 5 Is LVB CKM VBCKM A_MDATAL4 LVB CKP 1 VBCKP A_MDATA 3 AVDD_AU AVDD_LPLL 6213 LVB 3M A_MDATA 2 A_MDATA 1 AVDD MPLL 0 1uF ILVBSP AVDD MEMPLL A MDATALO E LVB4P A MADR 12 AVOD 33 1 AVDD_33 2 A MADR 11 A_MADR 10 AVDD_33_3 A MADR 9 AVDD_33_4 78 0151 AVDD USB Fev 75 0141 A MADAIA TS SIGNAL n A MADR 7 AV
57. nife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 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 5 LGE Internal Use Only 1 Application Range This spec s
58. or guarantee TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT Must mount the module using mounting holes arranged in four corners Do not press on the panel edge of the frame strongly or electric shock as this will result in damage to the screen Do not scratch or press on the panel with any sharp objects such as pencil or pen as this may result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a soft material Cleaning with a dirty or rough cloth may damage the panel CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation Copyright 2009 LG Electronics Inc All right reserved 3 Only for training and service purposes NWARNING BE CAREFUL ELECTRIC SHOCK If you want to replace with the new backlight CCFL or inverter circuit must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms Handle with care wires or connectors of the inverter circuit If the wires are pressed c
59. right reserved Only for training and service purposes LGE Internal Use Only POW 5 amp ROM LI Locates near to 161105 1 1105 7 247 1 2 P1101 SMAW200 11 P1102 ipm dur WT 1 1 1107 MP8706EN C247 LF Z 14304 CB3235PASO1E Zt Gur 50 p a 43 3V AVOD_ANE CB3216PA501E tm i caso P1103 11102 ior 25 45V PANEL sour sov 108 SV_CI 11505 MULTI_ON LN C 991100 45V_GENERAL 01 PWM_DIM 10 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECRET Copyright 92009 LG Electronics Inc right reserved Only for training and service purposes 1125 Rita 0 50 11130 0B3216PA501E ar 45V_PANEL m CB3216PASD1E 20 722 29 14103 CB3216PASOE
60. ternal Use Only Only for training and service purposes 13 HDMI input Not Support PC No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 27 864 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 720 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 10801 6 1920 1080 28 125 50 00 74 25 10801 7 1920 1080 27 24 74 25 HDTV 1080P 8 1920 1080 33 75 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10 1920 1080 67 43 67 5 59 94 60 148 35 148 50 HDTV 1080P 14 HDMI1 2 EDID Data 14 1 M227WDP Product ID 22390 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 15 LGE Internal Use Only 14 2 M237WDP Product ID 22393 00 FF FF FF 00 160 79 57 01 12 as DM O HN NM MN 01 o 2n 2 Em E y Copyright 2009 LG Electronics Inc All right reserved 16 LGE Internal Use Only Only for training and service purposes 15 Mechanical specification 15 1 M227WDP PZL
61. utomatically detecting 3 Show the message Copying files from memory Copying files from memory Do not remove the memory card from the pc i Do not plug off 4 Updating is staring Upgrading Ee 63 Do not plug Upgrading COMPLETED m 100 The TV will restart after seconds 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 DTV ATV test on production line After downloading have to adjust TOOL OPTION again 1 Push ADJ service remote controller 2 Select Tool Option 1 and Push OK button 3 Punch in the number Each model has their number 4 Completed selecting Tool option Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 19 3 1 ADC Process 3 1 1 PC input ADC 3 1 1 1 Auto RGB Gain Offset Adjustment Convert to PC in Input source Signal equipment displays Output Voltage 700 m Vp p Impress Resolution XGA 1024 x 768 60 2 Model 60 Pattern Generator Pattern 29 in Pattern Generator MSPG 925 SERIES Adjustment pattern PC Adjust by commanding AUTO_COLOR_ADJUST 3 1 1 2 Confirmation We confirm whether
62. 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 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 2009 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 k

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