LG RU-44SZ51D - - 44" Rear Projection TV Service Manual Download Page 23 | Manualshive

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Summary of Contents for RU-44SZ51D - - 44" Rear Projection TV

Page 1: ...TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NB 03JC MODEL RU 44SZ51D RU 52SZ51D website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...s in the high voltage circuit If high voltage exceeds specified limits check each component specified on the chassis schematic and take corrective action 2 Read and comply with all caution and safety related notes on or inside the receiver cabinet on the receiver chassis or on the picture tube 3 Design Alteration Warning Do not alter or add to the mechanical or electrical design of this TV receive...

Page 3: ...ATIONS 4 DESCRIPTION OF CONTROLS 5 ADJUSTMENT INSTRUCTION 13 BLOCK DIAGRAM 19 EXPLODED VIEW 24 26 EXPLODED VIEW PARTS LIST 25 27 REPLACEMENT PARTS LIST 28 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS TABLE OF CONTENTS ...

Page 4: ...Television Channels VHF 2 13 UHF 14 69 CATV 1 125 Power Consumption W 270W Antenna 75 ohm External Terminal for VHF UHF Audio Output W 15W x 2 Supplied Accessories Remote control 2 size AA batteries External Input Output Ports Video input 3 set Video 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 in...

Page 5: ... is in standby mode Green On Orange flashing Preparing operation in standby mode Orange Projection lamp is reaching the end of its life and needs to be replaced with a new lamp 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 Red The projection TV shut down due to over...

Page 6: ...n external amplifier or add a sub woofer to your sur round 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 for ext...

Page 7: ...ain Input menu Left Right Audio Used for stereo sound from various types of equipment Video Connects the video signals from any piece of equipment S Video A connection available on some very high end equip ment that provides better picture quality than video input If you select either Front Video or Front S Video the Front audio inputs are automatically selected as well If you re connecting a vide...

Page 8: ...ugh an antenna that is sev eral years old and connects with two small prongs you will need to purchase a 300 to 75 ohm adapter It should be available from your local electronics dealer We recommend using a 75 ohm cable for your antenna connections in order to prevent interference MONITOR OUT VIDEO INPUT 2 VIDEO INPUT 1 S VIDEO R L AUDIO VIDEO MONO 75 Ω ANT IN MONITOR OUT VIDEO INPUT 2 VIDEO INPUT ...

Page 9: ... screen MUTE Switches the sound 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 ati...

Page 10: ...ER When in the menu system 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 Whe...

Page 11: ...ONO TV 6 Main Channel 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 on remote control ABC ...

Page 12: ...cator Temperature indicator 1 2 3 4 5 6 7 8 See menu pages for instructions on using the on screen menus 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 This manual explains the features available on the RU...

Page 13: ...on of the moving picture may also be possible in unavoidable case 3 Composition of Adjustment Mode 1 All adjustment mode are entered by pressing the ADJ key on the remore control after adjustment pess the ADJ key to come out 2 Below picture is screen composition when press the first ADJ key 3 Select menu to adjust with using CH D CH E key above screen and press Enter key or Volume G key to adjust ...

Page 14: ... focus check position is not the center screen but to be same proportion about upper lower screen 1 The pattern when adjustment 2 Adjust the 4 gold ellipse to focus as same level 3 If you can t check the DMD cell bourder at red center position after adjustment regard as NG 4 The magnified pattern for checking the focus adjustment 6 Caution for DMD Digital Micro mirror Device 6 1 Caution for DMD ES...

Page 15: ...n the table and turn the power on 2 Input the product code production week year serial number if it is not input write 01 to the S W for writing DDC 3 Put the EDID write instruction into operation 8 CPLD Download Work 8 1 Required Test Equipments Preparation for Adjustment 1 Connect the PC and memory JIG as shown fig8 2 Turn on JIG MAIN POWER SW 3 After turn on the PC and moniter operate the devic...

Page 16: ...n adjustment mode on the adjust mneu by pressing Volume G key 2 Select menu with using Volume F key or Volume G key on the Country USA CA 11 Screen Position Adjustment 11 1 Required Test Equipments Remote control of adjustment 11 2 Horizontal Position Adjustment 1 Press ADJ key on the remote control to enter the adjustment mode 2 Select the POSITION of the adjustment menu H 200 3 Select the H_posi...

Page 17: ... 24 Reference Gamma table 2 Brightness 200Level Spoke Func 0 R G B offset It has each color temperature fixation price 13 CWI Adjustment 13 1 Required Test Equipments Remote control for adjustment 13 2 Preparation for Adjustment 1 Connect the power at TV set to turn set on 2 Using the remote control enter from ADJUST to CWI 160 13 3 Adjustment Sequence 1 Using the Volume key adjust CWI to the left...

Page 18: ...icture probably is the normal 14 2 Adjustment Sequence 1 Main Screen Adjustment 1 Select the VPX3226 by pressing ADJ key on the remote control for adjustment 2 Select the Contrast m of adjustment item using CH key and revises using VOL key Initial data 32 2 Sub Screen Adjustment 1 Select the VPX3226 by pressing ADJ key on the remote control for adjustment 2 Select the Contrast s of adjustment item...

Page 19: ... 19 BLOCK DIAGRAM ...

Page 20: ... 20 BLOCK DIAGRAM ...

Page 21: ... 21 BLOCK DIAGRAM ...

Page 22: ... 22 BLOCK DIAGRAM ...

Page 23: ... 23 NOTES ...

Page 24: ...D VIEW 44 430 431 434 432 433 400 305 301 302 680 681 300 120 121 660 650 630 420 401 410 700 403 670 402 404 520 503 540 501 550 560 640 641 602 622 623 174 502 530 590 601 600 570 572 571 612 620 610 611 621 720 ...

Page 25: ...03JC M I ASSY FOR N A 550 6871VSMJ28A PCB ASSEMBLY SUB DIGITAL NB03JC M I ASSY FOR N A 560 6871VSMU24B PCB ASSEMBLY SUB NB03KB COMP M I 570 6871VSME80B PCB ASSEMBLY SUB CRM MB03CB DRIVE M I ASSY FOR 720P DLP 571 4814V00434B SHIELD ASSY DN 52SZ60H NB03KB SUS SHIELD CASE DRIVE BOTTOM 572 4814V00394B SHIELD COVER RN 52SZ50H NB03JA SECC EGI DRIVE FRONT DLP 720P 590 6871VSME87A PCB ASSEMBLY SUB AC NB03...

Page 26: ...D VIEW 52 430 431 432 433 434 400 305 301 302 520 503 540 501 550 560 680 681 120 121 660 650 401 410 403 670 402 404 630 420 300 700 640 641 602 622 623 174 502 530 590 601 600 570 572 571 612 620 610 611 621 720 ...

Page 27: ...SSY FOR N A 540 6871VSMY73A PCB ASSEMBLY SUB TUNER NB03JC M I ASSY FOR N A 550 6871VSMY72A PCB ASSEMBLY SUB DIGITAL NB03JC M I ASSY FOR N A 560 6871VSMU24B PCB ASSEMBLY SUB NB03KB COMP M I 570 6871VSME80A PCB ASSEMBLY SUB CRM MB03CB DRIVE M I ASSY FOR 720P DLP 571 4814V00434A SHIELD ASSY DN 52SZ60H NB03KB SUS SHIELD CASE DRIVE BOTTOM 572 4814V00394A SHIELD COVER RN 52SZ50H NB03JA SECC EGI DRIVE FR...

Page 28: ...1004 IC1008 IC101 IC101 IC102 IC1200 IC1202 IC1602 IC2 IC200 IC208 IC301 IC303 IC304 IC305 IC4 IC400 IC401 IC402 IC403 IC404 IC405 IC406 IC407 IC409 IC409 IC410 IC413 IC414 IC5 IC500 IC500 IC501 IC502 IC503 IC600 IC601 IC601 0IZZVC0051J 0IMCRSH003A 0IPRPTO002A 0IMCRS5003A 0IMI623200B 0IPRPFA006A 0IPRPFA007A 3720V00229A 0IMMRNE002A 0IMI623200B 0ITK118100B 0IPH827150A 0IMMRAL014B 0IMCRSO008A 0IMO744...

Page 29: ...EC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q211 Q500 Q501 Q501 Q502 Q502 Q504 Q601 Q601 Q602 Q602 Q603 Q605 Q605 Q614 Q615 Q616 Q617 Q618 Q801 Q802 Q810 Q841 Q842 Q851 D1 D100 D101 D2 D3 D300 D403 D404 D431 D432 D433 D434 D435 D436 D437 D438 D439 D5 D6 D601 D603 D605 D606 D607 0T...

Page 30: ...J5 6B ZENERS MTZJ5 6B ZENERS MTZJ6 2B ZENERS MTZJ6 2B ZENERS MTZJ6 2B ZENERS MTZJ6 2B 1N4148 TP GRANDE 1N4148 TP GRANDE SD05 TC SOD323 5V 5A 15A SD05 TC SOD323 5V 5A 15A ZENERS MTZJ6 2B ZENERS MTZJ6 2B ZENERS MTZJ6 2B LOCA NO PART NO DESCRIPTION C1 C1 C100 C101 C1011 C1013 C1019 C1020 C1023 C103 C1035 C1036 C1039 C1042 C1049 C105 C1055 C106 C1060 C108 C11 C110 C111 C112 C112 C117 C1201 C1202 C1204...

Page 31: ...F MVG 16V M 22UF MVG 16V M 220UF MV 16V 20 22UF MVG 16V M LOCA NO PART NO DESCRIPTION C407 C408 C409 C410 C411 C412 C425 C426 C427 C428 C431 C432 C433 C434 C435 C437 C438 C451 C453 C454 C456 C456 C462 C480 C482 C50 C500 C501 C503 C505 C514 C515 C516 C517 C518 C519 C519 C520 C521 C522 C522 C523 C524 C525 C525 C528 C530 C531 C533 C534 C535 0CE107VH6DC 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC ...

Page 32: ...04KF3 TR 0 1UF 1608 16V 10 0 1UF 1608 16V 10 PE ECQB1H104KF3 TR 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C635 C636 C637 C638 C639 C640 C641 C642 C643 C643 C643 C644 C644 C645 C645 C646 C646 C647 C647 C648 C648 C649 C650 C651 C652 C653 C654 C655 C664 C668 C669 C700 C701 C702 C704 C706 C707 C710 C711 C712 C713 C714 C717 C718 C719 C720 C721 C722 C723 C724 C725 0CK104CF56A 0CK104CF56A 0CK104CF56A...

Page 33: ... 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 C777 C778 C779 C780 C781 C782 C783 C800 C800 C801 C801 C801 C802 C802 C803 C804 C804 C805 C805 C806 C806 C806 C807 C807 C807 C808 C808 C809 C809 C810 C811 C812 C813 C814 C814 C814 C815 C816 C817 C818 C818 C818 C819 C820 C820 C821 C821 C822 C822 C823 C823 0CK104CF56A 0C...

Page 34: ...UF KME 16V M R 470PF 1KV 10 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C905 C906 C908 C909 C910 C911 C912 C913 C919 C920 C921 C922 C924 C926 C927 C929 C930 C931 C932 C933 C934 C936 C937 C938 C939 C940 C941 C942 C943 C944 C945 C946 C947 C949 C950 JA1201 JA1202 JA201 JA202 JA204 P101B P102B P103B P401A P401B P403 P501 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK1...

Page 35: ...HM 1 2 W 5 00 RWR 7W 910 J VERT 1K OHM 1 2 W 5 00 RWR 7W 910 J VERT 1K OHM 1 2 W 5 00 LOCA NO PART NO DESCRIPTION R680 R803 R805 R806 R807 R808 R808 R809 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R822 R823 R824 R825 R826 R827 R828 R829 R830 R831 R832 R833 R834 R835 R840 R841 R842 R843 R844 R845 R846 R851 R852 R853 R854 R855 R871 SW01 SW01 SW02 0RD0561H609 0RN3903G409 0RN3303G409 0RN39...

Page 36: ...D 50VOLT 4A 2200PF FILTER EMC STC222D 50VOLT 4A 2200PF FILTER EMC BMS400 25V 200MA FILTER EMC BMS400 25V 200MA FILTER EMC BMS400 25V 200MA FILTER EMC BMS400 25V 200MA FILTER EMC BMS400 25V 200MA LOCA NO PART NO DESCRIPTION T432 T434 T447 T448 T460 T5 T501 T502 T504 T509 T511 T512 T513 T514 T515 T6 T601 T602 T603 T604 T7 T9 X1 X1001 X1200 X401 X500 X501 X601 F401 F800 IC704 NTC801 NTC802 PA1 RL831 ...

Page 37: ...Jan 2004 Printed in Korea P NO 3828VD0148S ...

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Page 43: ... MAIN BOTTOM TUNER TOP TUNER BOTTOM COMPONENT TOP COMPONENT BOTTOM SIDE A V PRE AMP CASE SW INTERFACE CONTROL TOP LED TOP LED BOTTOM CONTROL BOTTOM POWER SMPS LINE FILTER DIGITAL TOP DRIVER TOP DRIVER BOTTOM DIGITAL BOTTOM SUB EPOXY ...

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