LG 52SX4D Service Manual Download Page 3

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DESCRIPTION OF CONTROLS ...........................................4

SPECIFICATIONS.................................................................9

ADJUSTMENT INSTRUCTION...........................................10

BLOCK DIAGRAM...............................................................23

EXPLODED VIEW...............................................................24

EXPLODED VIEW PARTS LIST .........................................25

REPLACEMENT PARTS LIST ............................................26

SCHEMATIC DIAGRAM..........................................................

PRINTED CIRCUIT BOARDS .................................................

TABLE OF CONTENTS

Summary of Contents for 52SX4D

Page 1: ...ERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NB 05EB MODEL 52SX4D 52SX4D UB CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html ...

Page 2: ...ngs Place the AC switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the...

Page 3: ...IPTION OF CONTROLS 4 SPECIFICATIONS 9 ADJUSTMENT INSTRUCTION 10 BLOCK DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS TABLE OF CONTENTS ...

Page 4: ...r around it Contact an authorized service center Green flashing The lamp cover is not closed Orange The projection TV is overheating Check the blocked vents of the Projection TV and the accumulated dust in the dust filter Red The projection TV shuts down due to overheating Red flashing The projection TV shuts down check the cooling fan Contact your service center Operation Indicator Lamp Indicator...

Page 5: ... Used to connect either an external amplifier or add a sub woofer to your surround sound system COMPONENT INPUT 1 2 Connect a component video audio device to these jacks Refer to your DVD manual for further information VIDEO 1 or 2 Connects the video sig nals from various types of equipment Left Right AUDIO Used for stereo sound from various types of equipment IEEE1394 Connect DVHS or MicroMV to I...

Page 6: ...s on the rear jackpack may be connect ed to the front connection panel To use the side jacks as the signal source select them using Main Input menu They will be named Front Video in the Main Input menu If you input both Front Video and S Video only the S Video will work If you re connecting a video game device make sure to change the picture settings with the EZ Picture option in the Video menu Mi...

Page 7: ... not work in the mode Controls the DVHS or Camcorder of IEEE 1394 mode RATIO Changes the aspect ratio POWER Turns your TV or any other programmed equipment on or off depending on mode CC Select a closed caption Off CC1 4 Text1 4 THUMBSTICK Up Down Left Right ENTER Allows you to navigate the on screen menus and adjust the system settings to your pref erence CHANNEL UP DOWN Selects available channel...

Page 8: ...ce Switches the video window locking or unlocking in the Listings Grid PIPCH PIPCH Changes to the next higher lower PIP channel PIP INPUT Selects the input source for the sub pic ture in PIP Twin picture mode SWAP Exchanges the main sub images in PIP Twin picture mode EZ PIC Adjusts the factory preset picture depending on the viewing environment ADJUST Adjusts screen position size and phase in PC ...

Page 9: ...er requirement Television System Program Coverage Power Consumption W Antenna Audio Output W Supplied Accessories AC120V 60Hz NTSC M ATSC VHF 2 13 UHF 14 69 CATV 1 135 CADTV 1 135 DTV 2 69 250W 75 ohm External Terminal for VHF UHF 20Wx2 Remote control 2 size AA batteries D sub 15 pin Cable 52SX4D UB 62SX4D UB 63 4 40 4 19 5 132 3 55 7 35 5 15 7 82 7 SPECIFICATIONS ...

Page 10: ...ustment mode Menu is shown below Fig 1 3 As shown Fig 1 using the CH D CH E keys to select an item press the ENTER or VOLUME G keys to enter the appropriate item and begin adjustment 4 Change the value of adjustment by using the volume G volume F keys To change adjustment item use the CH D CH E keys in EZ ADJ Mode 5 Press the ADJ key to exit after adjustments 6 Preparation for Adjustment 1 Connect...

Page 11: ...ainer when not being used or in transit 4 Wearing gloves will help prevent ESD damage and help preserve the physical condition of the DMD 5 All work should be performed in a static free environment 6 Use caution and remove any dust particles on the DMD front glass or back pins pads 5 2 Caution for DMD Cleaning 1 Use caution to prevent scratches to the DMD glass 2 When DMD glass stains with dust po...

Page 12: ...and by pressing Function Key F8 5 When OK letter appear completed the Write 6 After connector the JIG for download to HDMI 2 2 port open the second file DN 52SX40D HDMI 2 DVI and operate as same above method 7 CPLD Download Work 7 1 Required Test Equipments Preparation for Adjustment 1 Connect the PC and memory JIG as shown in Fig 8 2 Turn on JIG MAIN POWER SW 3 Turn on the PC and moniter operate ...

Page 13: ...the Hardware Setup item 3 Select the Add file and select the Download file ex EPF pof 4 Check the Program Configure and Verify item 5 When select the Start CPLD Download is running 8 Gemstar VBI Micom Download 8 1 Preparation for Adjustment 1 As shown below connect the MPLAB ICD2 equipment PC and Digital Connector 2 Turn on the MPLAB ICD2 POWER Supply 3 After turning on the PC and MONITOR select t...

Page 14: ... the Download process is ended Note Step 6 is more convenient when using the short cut icon 9 Gemstar IR Micom Download 9 1 Preparation for Adjustment 1 As shown below connect the MPLAB ICD2 equipment PC and Digital Connector 2 Turn on the MPLAB ICD2 POWER Supply 3 After turning on the PC and MONITOR select MPLAB IDE from the screen Connecting to MPLAB ICD 2 Connected Setting Vdd source to MPLAB I...

Page 15: ...y message on the Output window appears as below 5 Select File Import select the Work HEX file and open 6 Select Programmer Program 7 Download begins and about 3 seconds later the Programming succeeded message is displayed on the Output window and the Download process is ended Note Step 6 is more convenient when using the short cut icon Connecting to MPLAB ICD 2 Connected Setting Vdd source to MPLA...

Page 16: ...up 2 Select Connection and SET connected to RS 232C 3 After clicking Enter confirm that Enter Password appears 4 Click the OpenFile Download button from CP Data Download select the Private Key appears and click ENTER 5 After clicking ENTER the opens Private key window appears and select the Private key applied to the SET The Private Key file name is on the Label of the Digital Board 6 When the Dia...

Page 17: ...w will appear 11 When completed DTCP key Download OK will display in the Terminal window and the SET will reboot automatically When process 11 malfunctions it is not Download DTCP Download process start again from 8 11 Gemstar Operation Confirmation 11 1 Required Test Equipment 1 PC with Factory Test Program Windows 2000 above 2 G LINK To PC Card Convert for connector Serial and GLINK Jack CN1202 ...

Page 18: ...3 Go to number 1 Gemstar and press Enter 4 TV set screen will appear as shown 5 Confrim that VBI Test Glink Test and IR Test PASS from the screen 12 Cable Operation Confirmation 1 Confirm that the Cable Card is inserted in the slot 2 Enter the EZ adjust menu by pressing Adjust on the Service Remote Control S R C 3 Go to number 2 Cable Check and press the Right key G 4 Confirm items below 13 Tilt K...

Page 19: ...ine Base is rotating with the left right 13 2 Geometry Adjustment 1 When the screen is rotated Rotate the Engine to adjust 1 Distortion Type Tilt 2 Adjustment Method The adjustments will raise or lower the mount on the right or left side so the image will be level 2 In case of the upper screen size is large bottom screen size than upward projector 1 Distortion Type Keystone 2 Adjustment Method To ...

Page 20: ...st 5 minutes 3 Select Component Input 4 Receive the 720P 60Hz HozTVBar Pattern 15 3 Offset Gain Adjustment 1 Press ADJ key on the Remote Control to enter the adjustment mode after more than 10 seconds of receiving the signal 2 Adjustment is automatic by pressing the VOLUME G key in AD9883A SET item of the adjustment menu Gain Offset Adjust will apeear on the OSD for a short time during adjustment ...

Page 21: ...earing spot 3 Using CH UP DOWN key of the Remote Control enter the RED PATTERN 4 Check the RED Pattern to uniform 17 4 NDC Adjustment For compensation deviation of each Lamp uses NDC Mode Sees the Pattern and adjust left right value using Channel Key on the Remote Control for Adjustment to be uniform color of White Lamp life compensation As temperature is different sensitivity change angle of the ...

Page 22: ...asically the letter does with the fact that the character and distinction becomed 19 1 Preparation for Adjustment 1 Receive a RF test signal on the Main Sub screen in twin picture mode 2 Set Picture control to Daylight 19 2 Adjustment 1 Main Screen Adjustment 1 Select the VPX3226 by pressing ADJ key on the Service Remote Control 2 Select Contrast m in the adjustment menu using CH keys and adjust u...

Page 23: ... 23 BLOCK DIAGRAM B B A A X X ...

Page 24: ...substance turns up within the SET a work of clearing foreign substance should be done by using Clean Cover Number 405 406 of Back Cover without SET disintegration disjointing 570 571 612 611 610 602 640 641 622 623 601 530 710 622 603 723 720 721 722 570 571 602 723 720 721 600 722 24 EXPLODED VIEW 640 BALLAST Replace Method 1 Remove 401 2 Remove 600 3 Replace 640 ...

Page 25: ...NB05EB DU 52SX40D M I 560 6871VSMAEWA PCB Assembly Sub NB05EB DU 52SX40D COMP M I 570 6871VSMANZJ PCB Assembly Sub NB05EB 52SX4D UB ACCLLSK HD4 DRIVER M I 571 3141VSNS77J Chassis Assembly SUB NB05EB HD4 DMD BOARD ASSY FOR 52SX4D UB 580 6871VSME85A PCB Assembly Sub AUDIO MB042A DN 44SZ80L 600 EBT30567507 Chassis Assembly ENGINE 52 HD3 HD4 ADJUST 4D TOOL BUILT IN ENGINE FOR OVERSEAS SVC 601 48109000...

Page 26: ... TC74LCX157FT 16P 2505356 0001 256P CS8415A CZR 28P LD1086DT15TR 2P LOCA NO PART NO DESCRIPTION D1101 IC1 IC1 IC1 IC1 IC100 IC1000 IC1001 IC101 IC101 IC102 IC102 IC104 IC105 IC105 IC108 IC109 IC110 IC110 IC1101 IC1102 IC1102 IC1103 IC1105 IC111 IC112 IC113 IC114 IC115 IC116 IC118 IC119 IC1200 IC1200 IC1201 IC1202 IC1202 IC1203 IC1203 IC1204 IC1204 IC1205 IC123 IC124 IC151 IC152 0IKE431000D 0ICTMMI...

Page 27: ...T323 5L 74LX1G14CTR 5P SOT323 5L 74LX1G14CTR 5P SOT323 5L 74VIT125CTR 5P S0T323 5L NL17SZ17DFT2G SOT353 5P 74VIT125CTR 5P S0T323 5L BSS83 LOCA NO PART NO DESCRIPTION IC106 IC107 IC1207 Q1 Q10 Q101 Q102 Q103 Q104 Q105 Q106 Q107 Q108 Q11 Q12 Q1200 Q1201 Q1202 Q1202 Q1203 Q1203 Q1204 Q1205 Q1206 Q1206 Q1208 Q1209 Q1210 Q1211 Q1213 Q1218 Q1219 Q1222 Q1223 Q1224 Q1225 Q13 Q1300 Q1301 Q1302 Q1303 Q1305 ...

Page 28: ...00MA KEC TP CHIP KDS226 SOT 23 LOCA NO PART NO DESCRIPTION D3200 D3201 D3202 D4 D5 D581 D6 D610 D700 D701 D702 D703 D704 D705 D706 D707 D713 D714 D715 D801 D802 D803 D805 D806 D831 D835 D871 D881 D891 D909 D910 D912 D913 D914 D915 IC1003 ZD1 ZD1 ZD10 ZD2 ZD201 ZD202 ZD203 ZD204 ZD3 ZD4 ZD5 ZD6 ZD600 ZD601 ZD802 0DRSE00038A 0DRSE00038A 0DD184009AA 0DD184009AA 0DD184009AA 0DRON00088A 0DD184009AA 0DZ...

Page 29: ... 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C1126 C1127 C1127 C1128 C1128 C1129 C113 C1130 C1131 C1132 C1133 C1133 C1134 C1134 C1135 C1136 C1137 C1137 C1138 C114 C1140 C1140 C1141 C1141 C1142 C1142 C1143 C1144 C1144 C1145 C1146 C1147 C1148 C1149 C1149 C115 C1150 C1150 C1151 C1152 C1153 C1154 C1155 C1156 C1157 C1158 C1159 C116 C1160 C1161 C1161 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF...

Page 30: ...UF MV 16V 20 470PF 1608 50V 5 100UF MVG 16V 20 0 1UF 1608 16V 10 270PF 1608 50V 5 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C1224 C123 C123 C1231 C1236 C124 C1241 C1243 C1244 C1244 C1245 C1246 C1246 C1247 C1248 C1249 C1249 C1250 C1251 C1252 C1253 C1254 C1256 C1257 C1259 C126 C126 C127 C128 C129 C130 C130 C131 C1313 C1315 C132 C1320 C1321 C1322 C1326 C1329 C133 C1332 C134 C134 C135 C136 C136 C1...

Page 31: ...1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C185 C186 C187 C188 C189 C190 C191 C192 C193 C194 C195 C196 C197 C198 C199 C2 C2 C2 C20 C200 C200 C201 C201 C202 C203 C203 C204 C204 C205 C206 C207 C207 C207 C208 C208 C208 C209 C209 C210 C210 C211 C211 C211 C212 C212 C212 C213 C214 C215 C223 C223 0CK104CF56A 0CK104CF56...

Page 32: ... 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C2436 C2437 C2438 C2439 C2440 C2441 C2442 C2443 C2444 C2445 C2446 C2448 C2449 C245 C2450 C2451 C2452 C2453 C2454 C2455 C2456 C2457 C2458 C2459 C246 C2460 C2461 C2462 C2463 C2466 C2469 C247 C248 C2502 C2503 C2504 C2505 C2506 C2507 C2508 C2510 C2512 C2513 C2514 C2515 C2517 C2519 C252 C2520 C2521 C252...

Page 33: ...608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 100PF D 50V 10 LOCA NO PART NO DESCRIPTION C3 C300 C3001 C3002 C3005 C3006 C3007 C3008 C3009 C301 C301 C3010 C3011 C3012 C3015 C3016 C3017 C3018 C3019 C302 C3020 C3021 C3022 C3024 C3025 C3026 C303 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C3204 C321 C3210 C3211 C3212 C...

Page 34: ... 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C343 C344 C345 C346 C347 C348 C349 C350 C3501 C3502 C3503 C3504 C3505 C3506 C3508 C3509 C351 C3510 C3511 C3512 C3513 C3514 C3516 C3517 C3519 C352 C3520 C3521 C3522 C3523 C3526 C3527 C3528 C353 C3531 C3532 C3533 C354 C355 C356 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C3...

Page 35: ...1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C410 C411 C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C424 C425 C426 C427 C435 C436 C437 C440 C5 C500 C501 C503 C504 C505 C506 C507 C508 C509 C515 C517 C519 C523 C528 C53 C530 C531 C533 C535 C556 C582 C584 C586 C587 C605 C606 C606 C609 0CK104CF56A 0CK104...

Page 36: ... 1608 16V 10 0 1UF 1608 16V 10 47UF STD 16V 20 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C647 C648 C648 C649 C650 C651 C652 C653 C654 C655 C664 C668 C669 C670 C671 C673 C691 C692 C7 C700 C701 C702 C702 C703 C703 C704 C704 C705 C705 C706 C706 C707 C707 C707 C708 C709 C709 C710 C710 C711 C711 C711 C712 C713 C713 C714 C715 C717 C717 C718 C719 0CK104CF56A 0CK104...

Page 37: ...00UF STD 10V 20 0 1UF 1608 16V 10 0 1UF 1608 16V 10 100UF STD 10V 20 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C756 C757 C758 C758 C759 C760 C761 C761 C762 C763 C763 C764 C765 C765 C766 C767 C768 C769 C770 C771 C772 C773 C774 C774 C775 C776 C777 C778 C779 C780 C782 C783 C800 C800 C801 C801 C801 C802 C802 C802 C803 C803 C804 C805 C805 C806 C806 C806 C807 C807 C807 0CK104CF56A 0CK104CF56A 0CE107...

Page 38: ...F 1608 16V 10 0 1UF 1608 16V 10 R 470PF 1KV 10 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C833 C833 C833 C833 C834 C834 C834 C835 C835 C836 C836 C837 C838 C839 C840 C841 C841 C842 C842 C842 C843 C843 C844 C844 C845 C846 C846 C847 C848 C850 C851 C852 C853 C856 C857 C857 C871 C872 C873 C873 C881 C882 C883 C892 C893 C895 C897 C898 C899 C901 C902 0CK104CF56A 0CE478EHK50 0CE338E...

Page 39: ... 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 3 3UF 6032 35V 20 20 LOCA NO PART NO DESCRIPTION C952 C957 C958 C959 C960 C962 C963 C964 C965 C966 C967 C968 C970 C971 C972 C973 C974 C975 C976 C977 C978 R1420 R1421 R1422 R1423 CN1202 J500 J501 J502 J800 J801 JA1201 JA1202A JA200 JA201 JA201 P2401 P2402 P601 C1 C10 C11 C12 C13 C14 C15 C16 0CS335IJKDC 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF...

Page 40: ...E 944CM 0004 P3 COIL CHOKE 944CM 0004 P3 INDUCTOR 10UH K INDUCTOR 10UH K INDUCTOR 10UH K COIL CHOKE SB7032 751 750UH COIL CHOKE LQH31CN4R7M01L 4 7UH COIL CHOKE LPK 1322A 22UH 10 COIL CHOKE LPK 1322A 22UH 10 COIL CHOKE LPK 1322A 22UH 10 COIL CHOKE LPK 1322A 22UH 10 LOCA NO PART NO DESCRIPTION L110 L111 L112 L831 L841 L861 L881 L891 L903 L904 T830 AR108 AR109 AR110 AR111 AR112 AR113 AR2401 AR2402 AR...

Page 41: ...6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200VJT006A 6200VJT006A 6200QJ3001A 6200VJT006A 6200VJT006A 0LCML00002A 0LCM...

Page 42: ...ER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 160808 0068L N2 1A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A LOCA NO PART NO DESCRIPTION L911 L912 L913 T400 T401 T402 T403 T404 T501 T502 T504 T509 T511 T512 T513 T514 T515 T520 T601 T602 T603 T604 X1 X101 X102 X1100 X1201 X1202 X1202 X1203 X151 X2401 X2501 X3501 X600 X600 C1 C2 C3 C4 F800 IC704 PA1 TH801 TH802 TU101 TU102 TU1...

Page 43: ... AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A1R1NT VARISTOR AVRL161A...

Page 44: ...inted in Korea P NO 3828VD0222E CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Electronics Alabama Inc P O Box 240007 201 James Record Road Bldg 3 Huntsville AL 35824 ...

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Page 50: ...R TUNER TOP TUNER BOTTOM HD3 DLP DRIVER TOP HD3 DLP DRIVER BOTTOM DIGITAL TOP DIGITAL BOTTOM CONTROL TOP CONTROL BOTTOM HD3 DLP SENSOR AUDIO TOP AUDIO BOTTOM AUDIO TOP AUDIO BOTTOM CASE DET INTERFACE SIDE A V EPF TOP PRE AMP EPF BOTTOM ...

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