LG 62SX4D - - 62" Rear Projection TV Service Manual Download

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DLP PROJECTION TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : NB-05EB

MODEL : 62SX4D

62SX4D-UB

CANADA : http//biz.lgservice.com
USA : http//www.lgservice.com

: http//lgservice.com/techsup.html

Summary of Contents for 62SX4D - - 62" Rear Projection TV

Page 1: ...ERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NB 05EB MODEL 62SX4D 62SX4D 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: ...ner 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 poli...

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: ... 650 310 660 121 630 400 405 401 402 690 404 406 670 671 570 571 301 403 603 As a foreign 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 620 24 EXPLODED VIEW 640 BALLAST Replace Method 1 Remove 401 2 Remove 600 3 Replace 640 ...

Page 25: ...ASSEMBLY SUB DIGITAL NB05EB DU 52SX40D M I 560 6871VSMAEWA PCB ASSEMBLY SUB NB05EB DU 52SX40D COMP M I 570 6871VSMH07E PCB ASSEMBLY SUB CRM MB042K HD3 LVDS M I FOR DN 52SZ82D 571 3141VSNH17E CHASSIS ASSEMBLY SUB MB042K HD3 DMD BOARD FOR DN 52SZ82D 580 6871VSME85A PCB ASSEMBLY SUB AUDIO MB042A DN 44SZ80L 600 3141VSNH18H CHASSIS ASSEMBLY SUB MB042K HD3 SUB ENGINE ASSY FOR NEW CONDENSING LENS 601 498...

Page 26: ... KIA78R12API KEC 4P TO 220IS AT24C16AN 10SI 2 7 ATMEL 8P THC63LVD104A 64P 74LCX244MTC 20P 2505356 0001 256P TC74LCX157FT 16P 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 IC1...

Page 27: ...P S0T323 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 Q1...

Page 28: ...TP KEC 85V 300MA KDS184 TP KEC 85V 300MA KDS226 TP KEC 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 0DR...

Page 29: ...08 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION 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 C1162 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104...

Page 30: ...F 1608 50V 5 100UF MVG 16V 20 0 1UF 1608 16V 10 270PF 1608 50V 5 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION 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 C137 C1...

Page 31: ... 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 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C186 C187 C188 C189 C190 C191 C192 C193 C194 C195 C196 C197 C198 C199 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 C225 C226 C226 0CK104CF56...

Page 32: ... 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 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 C2522 C2523 C2524 C...

Page 33: ...16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 100PF D 50V 10 33UF 6032 10V 20 20 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION 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 C3213 C3214 C3215...

Page 34: ...0 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 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 C367 C368 C369 C370 C371...

Page 35: ...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 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 C610 C611 C611 C612 0CK104CF56A 0CK104CF56A...

Page 36: ...608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 3 3UF STD 50V 20 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION 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 C719 C720 C720 C720 0CC270CK41A 0CC270C...

Page 37: ... 100UF STD 10V 20 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 100UF STD 10V 20 LOCA NO PART NO DESCRIPTION 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 C808 C808 C809 C809 0CK104CF56A 0CK104CF56A 0CK1...

Page 38: ...F 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 4700UF KMG RD 25V 20 20 3300UF KMG RD 16V 20 LOCA NO PART NO DESCRIPTION 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 C904 C905 C906 C907 0CK104CF56A 0CK104CF56...

Page 39: ...0 C971 C972 C973 C974 C975 C976 C977 C978 R1420 R1421 R1422 R1423 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C22 C23 C24 C25 C26 C3 C5 C6 C7 C8 C9 CARD1 CARD2 CN1102 CN2700 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK272CK46A 0CK472CK56A 0CK272CK46A 0CK224DH56A 0CK104CF56A 0CC102CK41A 0CC102CK41A 0CC102CK41A 0CK104CF56A 0CK104CF56A 0CS335IJKDC 0CK104CF56A 0CK104CF56A 0CK105DF64A 0C...

Page 40: ...OIL CHOKE LQH31CN4R7M01L 4 7UH COIL CHOKE LQH31CN4R7M01L 4 7UH COIL CHOKE 10UH R 1318 LOCA NO PART NO DESCRIPTION L841 L881 L891 L903 L904 T830 AR108 AR109 AR110 AR111 AR112 AR113 AR2401 AR2402 AR2403 AR2404 AR2405 AR2406 AR2501 AR2502 AR2503 AR2504 AR2505 AR2506 AR2700 AR2701 AR2702 AR2703 AR2704 AR3008 AR3009 AR3500 AR3501 R1 R1286 R2 R3 R4 R5 R800 R801 R802 R804 R805 R806 R809 R810 R811 R811 15...

Page 41: ...4 L115 L116 L117 L118 L119 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 0LCML00003B 0...

Page 42: ...ER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF LOCA NO PART NO DESCRIPTION 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 C29 C4 F800 IC704 PA1 TH801 TH802 T...

Page 43: ...61A1R1NT 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 AVRL161A1R1NT ...

Page 44: ...inted in Korea P NO 3828VD0222B 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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