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DLP PROJECTION TV

SERVICE MANUAL

CAUTION

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

CHASSIS : MB-042H

MODEL : RU-44SZ63D 

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

: http//lgservice.com/techsup.html

Summary of Contents for RU-44SZ63D

Page 1: ...V SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MB 042H MODEL RU 44SZ63D 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: ...CATIONS 4 DESCRIPTION OF CONTROLS 5 ADJUSTMENT INSTRUCTION 12 PRINTED CIRCUIT BOARDS 19 BLOCK DIAGRAM 29 EXPLODED VIEW 36 EXPLODED VIEW PARTS LIST 37 REPLACEMENT PARTS LIST 38 SCHEMATIC DIAGRAM TABLE OF CONTENTS ...

Page 4: ...Power Consumption W 240W Antenna 75 ohm External Terminal for VHF UHF Audio Output W 12W x 2 Supplied Accessories Remote Control 2 size AA batteries 2 filters External Input Output Ports A V input 3 set A V output 1 set S Video input 2 Component input 2 set RGB input 1 DVI input 1 RGB DVI audio input 1 set Variable audio output 1 set Audio center mode input 1 Calibration port 1 Design and specific...

Page 5: ...ection lamp is reaching the end of its life and needs to be replaced with a new lamp Contact your service center Red flashing There is a problem with the lamp or 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...

Page 6: ... either an external amplifier or add a sub woofer to your surround sound system RF Connector Antenna Used to connect analog cable or antenna signals to the television either directly or through your cable box Video 1 or 2 Connects the video sig nals from various types of equipment Y Pb Pr DVD Component Video and HD Component Video Some top of the line DVD players use what is called component video...

Page 7: ...eo 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 Mini glossary A V CABLESAudio Video cables Three cable connector Right audio red Left audio white and Video yellow A V cables are used for stereo playback of videocassettes and for higher quality picture and sound from other A V devices A V DEVICE Any device t...

Page 8: ...d on or off THUMBSTICK Allows you to navigate the on screen menus and to adjust the system set tings and preferences by moving to an option withF G and selecting the highlighted option with TV VIDEO Selects Analog Video1 Video2 Front video Component1 2 RGB and DVI input sources MODE Selects the remote operating mode TV VCR Cable DVD and Satellite Select other oper ating modes for the remote to con...

Page 9: ...em and other on screen dis plays selects highlighted options RECORD PAUSE REW FFWD PLAY STOP Control the functions on your VCR VOLUME UP DOWN Increases decreases the sound level RATIO Changes the screen format or aspect ratio SKIP Playing CDs Selects songs Playing DVDs Selects movie chapters COMPONENT 1 2 Selects component signal sources such as DVD or HD receiver ENTER When in the menu system and...

Page 10: ...annel Display Displays current channel number Channel Label If a channel label has been set then it will appear here PIP Display This display appears when PIP is active Volume Volume level is displayed while adjusting the sound Mute Appears when sound is muted Time Appears when pressing the enter button ABC DESCRIPTION OF CONTROLS ...

Page 11: ...L UP DOWN Operation indicator Lamp indicator Temperature indicator 1 2 3 4 5 6 7 8 The POWER CHANNEL TV VIDEO and VOLUME buttons work just as they do on your remote control If TV is moved from cold to normal room tem perature humidity may form inside TV wait 3 hours for TV to adjust to room temperature before turning it on DESCRIPTION OF CONTROLS ...

Page 12: ... unavoidable cases 3 Composition of Adjustment Mode 1 Adjustment modes are entered by pressing the ADJ key on the Service Remore Control after adjustments press the ADJ key to exit 2 Initial Adjustment 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 the adjustment 4 Change the value ...

Page 13: ...wn Fig 4 1 Turn B CW to move the image up CCW to move the image down 2 Turn A CC to move the image right CCW to move the image left 3 After adjusting the illuminator adjust the focus by using the focus adjustment screw of projection lens After adjusting fasten the screw tighty and secure with sealer Note The focus check point is not the screen center but the upper lower screen 1 Fig 6 shows the pa...

Page 14: ...ion 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 7 2 Caution for DMD Cleaning 1 Use caution to prevent scratches to the DMD glass 2 When DMD glass stains with dust polish the front and back DMD glass with soft cloth Then rotate the DMD 180 degrees and polish again 3 Do not use pressure wh...

Page 15: ... window select the suitable file cdf according to model 3 IC figure is change to green by clicking it Refer to Fig 11 4 Select program options 5 Check the Erase before programming and Verify menu as shown Fig 12 and press the OK button 6 At this time the download starts The download will finish in about 10 seconds 10 Tilt Keystone Adjustment Apply the HD3 DLP Engine 10 1 It followed in Screen Cond...

Page 16: ...eystone Badness 2 Adjustment Method The Engine Base front part down at bottom direction and projection lens to be upward projector Top screen size a lot fix the top bottom screen size to be same as 11 Screen Position Adjustment Base value H 384 V 168 11 1 Required Test Equipment Service Remote Control 11 2 Horizontal Position Adjustment 1 Press ADJ key on the remote control to enter the adjustment...

Page 17: ...ort time during adjustment 3 After adjustment End of AD9883 Adjust appears and press the ADJ key to exit 13 CWI NDC Adjustment Base value CWI 170 NDC 10 13 1 Required Test Equipment Remote control for Adjustment 13 2 Preparation for Adjustment 1 Connect power and turn the TV set on 2 Using the Remote Control enter from ADJUST to CWI NDC 13 3 Adjustment 1 Using the Channel key adjust CWI Pat 1 to t...

Page 18: ...alance changing G B gain 3 Offset fixation R G B 4 5 1 5 Cool 12000cK x 0 275 y 0 277 1 R Gain 112 fixation 2 Adjust white balance changing G B gain 3 Offset fixation R G B 6 6 1 Reference Gamma table 0 Spoke Func 0 Lamp Type 1 OSR2 PHIL 15 Main Sub Contrast Adjustment 15 1 Preparation for Adjustment Connect RF NTSC Cable to rear terminal 15 2 Adjustment Sequence 1 Using the Remote Control enter A...

Page 19: ... 19 PRINTED CIRCUIT BOARD MAIN TOP ...

Page 20: ... 20 PRINTED CIRCUIT BOARD MAIN BOTTOM ...

Page 21: ... 21 PRINTED CIRCUIT BOARD SMPS ...

Page 22: ... 22 PRINTED CIRCUIT BOARD AC INPUT SIDE A V HD3 DLP SENSOR TOP HD3 DLP SENSOR BOTTOM PRE AMP CASE S W INTERFACE ...

Page 23: ... 23 LVDS B D TOP PRINTED CIRCUIT BOARD LED TOP LED BOTTOM ...

Page 24: ... 24 LVDS B D BOTTOM PRINTED CIRCUIT BOARD ...

Page 25: ... 25 COMPONENT TOP COMPONENT BOTTOM PRINTED CIRCUIT BOARD TACT S W TOP TACT S W BOTTOM ...

Page 26: ... 26 TUNER TOP PRINTED CIRCUIT BOARD ...

Page 27: ... 27 TUNER BOTTOM PRINTED CIRCUIT BOARD ...

Page 28: ... 28 DIGITAL TOP DIGITAL BOTTOM PRINTED CIRCUIT BOARD ...

Page 29: ... 29 BLOCK DIAGRAM ...

Page 30: ... 30 BLOCK DIAGRAM ...

Page 31: ... 31 BLOCK DIAGRAM Dotted Line Apply the Builti in COMPONENT 1 COMPONENT 2 ...

Page 32: ... 32 BLOCK DIAGRAM COMP_Y G COMP_Cb B COMP_Cr R COMP_HS COMP_VS Switching Filter 20 25Mhz RX 0 2 RXC ...

Page 33: ... 33 BLOCK DIAGRAM ...

Page 34: ... 34 BLOCK DIAGRAM ...

Page 35: ... 35 NOTES ...

Page 36: ...0 613 614 310 308 309 311 410 400 680 681 401 411 403 402 302 305 303 304 312 120 660 121 300 650 301 430 434 431 432 433 670 404 700 630 420 520 540 501 550 560 503 640 641 622 623 602 625 624 600 174 502 601 530 590 570 571 617 616 720 615 ...

Page 37: ...B ASSEMBLY MAIN MB 042H BOTTOM M I ASSY 530 6871VPMA84B PCB ASSEMBLY POWER SMPS MB042H M I FOR RU 52SZ53D 540 6871VSMK06A PCB ASSEMBLY SUB TUNER MB042H M I ASSY 550 6871VSML16A PCB ASSEMBLY SUB DIGITAL MB042H M I ASSY 560 6871VSMAAHA PCB ASSEMBLY SUB MB 042G COMPONENT M I FOR RU 44SZ83D TOSHIBA OEM 570 6871VSMH07B PCB ASSEMBLY SUB CRM MB03CC 3RD LVDS B D 571 3141VSNH17B CHASSIS ASSEMBLY SUB MB03CC...

Page 38: ...OT353 5P 74VIT125CTR 5P S0T323 5L BSS83 LOCA NO PART NO DESCRIPTION D1101 IC1 IC1 IC1 IC100 IC100 IC1000 IC1008 IC101 IC102 IC102 IC103 IC104 IC105 IC106 IC107 IC1102 IC1103 IC1104 IC1200 IC1201 IC2 IC2 IC200 IC3 IC300 IC301 IC302 IC304 IC305 IC306 IC307 IC4 IC401 IC404 IC405 IC406 IC407 IC409 IC5 IC500 IC500 IC501 IC501 IC502 IC503 0IKE431000D 0IPRPTO002A 0IMCRSH003A 0ICTMMI057A 0IPH741400E 0IPMG...

Page 39: ... ALY KEC CHIP 2SC3875S ALY KEC BSS83 BSS83 CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q501 Q502 Q600 Q601 Q602 Q603 Q604 Q701 Q703 Q704 Q705 Q801 Q801 Q802 Q830 Q832 Q840 Q852 Q871 Q872 D1 D100 D100 D102 D103 D104 D105 D106 D201 D3 D300 D4 D5 D581 D6 D610 D700 D704 D706 D707 D708 D709 D710 D711 D712 D801 D811 D831 D832 0TR830009BA 0TR830009BA 0TR387500AA 0TR387500AA 0T...

Page 40: ...1608 16V 10 47UF STD 16V M 0 01UF 1608 50V 10 LOCA NO PART NO DESCRIPTION C1112 C1113 C1114 C1115 C1116 C112 C1122 C1123 C1124 C1125 C1126 C1127 C1128 C1129 C113 C1130 C1131 C1132 C1133 C1134 C1135 C1136 C1137 C1140 C1141 C1142 C1143 C1144 C1145 C1146 C1147 C1148 C1149 C115 C1150 C1151 C1152 C1153 C1154 C1155 C1156 C1157 C1158 C1159 C116 C1160 C1161 C1162 C1163 C1164 C1165 0CK104CF56A 0CK104CF56A ...

Page 41: ...16V M 1UF 2012 16V 20 1UF 2012 16V 20 10UF MVG 16V 20 47UF MVG 16V M 1UF 2012 16V 20 LOCA NO PART NO DESCRIPTION C204 C205 C205 C206 C207 C207 C208 C209 C209 C210 C210 C211 C211 C212 C212 C213 C213 C214 C214 C215 C215 C216 C217 C219 C223 C224 C225 C226 C227 C229 C23 C231 C237 C238 C24 C249 C260 C261 C262 C27 C335 C338 C339 C344 C345 C358 C359 C363 C381 C394 C395 0CK105DF64A 0CE106SF6DC 0CK105DF64A...

Page 42: ...608 16V 10 0 1UF 1608 16V 10 10UF STD 16V M 0 1UF 1608 16V 10 100UF STD 16V M 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C633 C634 C635 C636 C637 C638 C639 C640 C641 C642 C643 C643 C644 C645 C646 C647 C648 C648 C649 C650 C651 C652 C653 C654 C655 C664 C668 C669 C670 C671 C673 C691 C692 C6977 C7 C700 C701 C702 C703 C704 C705 C706 C707 C707 C709 C710 C711 C711 C712 C713 C713 0CK104CF56A 0CK104CF56...

Page 43: ...0 0 0068UF D 100V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 1000UF STD 35V M LOCA NO PART NO DESCRIPTION C740 C741 C741 C742 C742 C743 C743 C744 C745 C745 C746 C747 C747 C748 C749 C749 C750 C751 C751 C752 C753 C753 C754 C755 C755 C756 C757 C758 C758 C759 C760 C761 C762 C763 C764 C765 C766 C767 C768 C769 C770 C771 C772 C773 C774 C775 C776 C777 C778 C779 C780 0CK104CF56A 0CK104CF56A 0CE108DJ618 0CK104C...

Page 44: ... 10 47UF MVG 16V M 470PF 1608 50V 5 47UF MVG 16V M 47UF KME 50V M 0 1UF 1608 16V 10 100UF STD 35V M 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C833 C834 C834 C835 C835 C836 C836 C837 C837 C838 C839 C840 C840 C841 C841 C842 C842 C843 C843 C844 C844 C845 C846 C847 C851 C852 C853 C857 C861 C862 C863 C866 C867 C868 C869 C870 C871 C872 C873 C873 C874 C881 C882 C883 C891 C892 C893 C898 C899 C901 C902...

Page 45: ...101 P101A P101B P102 P102A P102B P104 P1200A P1200B P201A P202A P300 AR503 AR504 AR506 AR516 AR518 AR519 AR522 AR523 AR526 AR529 AR530 AR531 AR744 AR746 AR748 AR750 AR846 AR847 AR848 R1 R1286 R2 R3 R4 150 C02F 150 C02V 150 C02F 150 C02F 150 C02F 6140VR0007A 6140VR0007A 6170VMCA06P 6170VMCA13T 6630TGA004F 6630B60F532 6630B60F532 6630B60F432 6630B60F532 6630GZ00724 6630B60F432 6630B60F532 6630VGA004...

Page 46: ... DESCRIPTION R876 R877 R891 R892 R893 R894 R895 R896 R897 R898 R899 SW01 SW01 SW02 SW03 SW04 SW05 SW06 SW07 F1100 F1101 FB851 FB861 FB871 FB871 FB882 FB891 FL100 FL101 FL104 FL106 FL107 FL108 FL109 FL112 FL113 FL117 FL123 FL124 FL125 FL127 FL134 FL139 FL300 FL301 FL303 FL304 0RD1001F609 0RD0391F609 0RD1002H609 0RS8200K607 0RS8200K607 0RD1001F609 0RN1002F409 0RN2201F409 0RD1001F609 0RKZVTA001B 0RD0...

Page 47: ...20P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER EMC MLB 201209 0120P N2 5A FILTER B P AFM118F6M00X1 AF 9424C FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC BMS400 NIGATA 25V 200MA FILTE...

Page 48: ...nted in Korea P NO 3828VD0183H 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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