LG 62SX4R, Service Manual

Page 1: ...TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MB 05DB MODEL 62SX4R MODEL 62SX4R AB website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...NS 3 SERVICING PRECAUTIONS 4 CONTROL DESCRIPTIONS 6 REPLACEMENT THE LAMP 10 SPECIFICATIONS 12 ADJUSTMENT INSTRUCTIONS 20 BLOCK DIAGRAM 27 EXPLODED VIEW 34 EXPLODED VIEW PARTS LIST 35 REPLACEMENT PARTS LIST 36 SVC SHEET PRINTED CIRCUIT BOARD ...

Page 3: ...tc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position 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...

Page 4: ...re 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 Alterna...

Page 5: ... 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...

Page 6: ...sub picture to D E or F G direction 6 SWAP returns to the previously viewed programme selects a favorite programme 7 MENU selects a menu 8 D E Programme Up Down selects a programme or a menu item switches the set on from standby F G Volume Down Up adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 9 NUMBER BUTTONS switches the set on from standby or dir...

Page 7: ...ttons are used for teletext function Battery installation The remote control handset is powered by two AAA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from possible battery leakage remove the batteries if you do not plan to...

Page 8: ...FF Off Power cord is not connected or power switch is off Red Power Cord is connected unit is on standby Green On White loading Preparing operation in standby 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 Red Lamp life over Green flashing The lamp cover ...

Page 9: ... R T PC DTV XGA 480p 576p 720p 1080i L AUDIO R RGB INPUT DVI RGB INPUT MONITOR OUT AV 2 INPUT AV 1 INPUT VIDEO L AUDIO R S VIDEO MONO COMPONENT PR PB Y L AUDIO R 480i 480p 576i 576p 720p 1080i 480i 480p 576i 576p 720p 1080i INPUT 1 INPUT 2 Rear panel AERIAL SOCKET UPGRADE PORT This port is used to upgrade the software ver sion and debug without changing the hardware Be careful not to use this port...

Page 10: ... out the lamp only when replacing the lamp Keep the lamp unit out of reach of children or and heat sources such as radiators stoves To reduce the risk of fire lamp shall not be exposed to liquids or foriegn material Do not place the lamp near any heat source Make sure the new lamp is securely tightened with screws If not the image may be dark or there could be a risk of fire Never touch the lamp u...

Page 11: ...r and tighten the cover screws If the lamp cover is open the lamp indicator flashes green and the TV will not turn on Note Only use LG approved lamp replacement Using incorrect type of lamp may cause damage to the TV or lamp Make sure the lamp cover is securely fastened If the lamp cover is open the TV will not turn on You must reset lamp time on the menu after replacing the lamp In some models th...

Page 12: ...Voltage of each products is marked by model 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test Method 1 performance LGE TV test method followed 2 Demanded other specification Safety CB specification EMC CE specification 12 Chassis MB 05DB ...

Page 13: ...21 E69 14 69 CATV S01 S20 1 125 HYPER S21 S44 Upper Heterodyne PAL SECAM NTSC 3 58 4 43 PAL SECAM NTSC 3 58 4 43 PAL SECAM NTSC 3 58 4 43 Y Pb Pr RGB PC DTV HDMI PC DTV PC Audio 1EA Component 2EA AV 3EA Discrete IR V Model Specification No Item Remark 1 2 3 4 5 6 7 8 9 10 11 12 LGE SPEC Aspect Ratio Operating Environment Storage Environment Input Voltage Specification 16 9 wide 1 Temp 0 40 deg 2 H...

Page 14: ...f Non EU7 English French German Spanish Italian Chinese Russian NU 5 English French German Spanish Russian On Off On Left arrow Vol Key Off Exit Key RGB PC RF AV Component 480i 480p 576i 576p Spectacle Full Original 4 3 16 9 14 9 Zoom Component DTV RGB DTV 4 3 16 9 Zoom RGB PC HDMI 4 3 16 9 2 Tuner PAL BG I DK SECAM BG DK NTSC M CVBS L R S VHS S VHS Priority CVBS L R 480i 576i 480p 576p 720p 1080i...

Page 15: ...Audio Mute Teletext data display Sleep Time 10 240 Min Channel List SIF Control O Text mode Yellow Key Favorite Favorite Favorite off Q view Pip Twin Main Sub Swap TV AV1 AV2 COMPONENT1 COMPONENT2 RGB HDMI SRS TSXT Flat Music Movie Speech User Dynamic Standard Mild User POWER Numeric 0 9 PR ARC PR VOL Mute PIP Input PIP PR O O O O No Item Specification Remark 10 11 12 13 Manual config Cinema Film ...

Page 16: ...rms Vrms kHz No Item Specification Min Typ Max Unit Remark V External Interface Normal 220V Normal 220V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Power ON OFF operation Staring Voltage Staring Voltage 10 Degree DC Voltage Ballast DC Voltage 5V STBY DC Voltage 3 3V STBY DC Voltage 2 5V STBY DC Voltage 1 8V STBY DC Voltage Tuning Voltage DC Voltage DLP Driver 3 5V DC Voltage DLP Driver 2 5V DC Voltage DLP...

Page 17: ...3 500 13 514 13 500 27 000 27 027 27 000 74 176 74 250 74 250 74 176 74 250 74 250 No V Component Video Input Y PB PR Proposed Specification Resolution H freq kHz V freq Hz Pixel clock SDTV 480P SDTV 480P SDTV 576P HDTV 720P HDTV 720P HDTV 720P 50Hz HDTV 1080I HDTV 1080I HDTV 1080I 50Hz 1 2 3 4 5 6 7 8 9 720 480 720 480 720x576 1280x720 1280x720 1280x720 1920 1080 1920 1080 1920 1080 31 47 31 50 3...

Page 18: ... Curve 1 Fast Vol Curve 0 Acting followed SIF I II 1 Always Mono 1 TTX 0 150 0 Phone Jack 1 Scart Jack English Eng only 0 Index Off 1 Index On On Only work Navigation Key Off Work both Navigation and Vol CH Key On Only work Favorite Key Off Work both Favorite and Pip Swap Key On HD4 Option on Lamp Dimming Picture Funtion O On 1 2 3 4 5 6 Area Code OPTION1 Tuner opt OPTION2 Audio opt OPTION3 Board ...

Page 19: ...Time hr Lamp Current Temp Lamp Warn Temp Lamp Error Temp Off On Waiting sec The length of time that lamp is alive to capacity The length of time that lamp is used up to now Warm below Warn Temp Power off below Error Temp Waiting time when reoperation For Engineering Not real Temp Item Market Place Remark 19 ...

Page 20: ...djust with using CH D D CH E E key above screen and press Enter key Fig 1 4 After entering into ADJ Mode list using CH D CH E key after choosing an adjustment list one more time adjustment value is changed by using ENTER Key 5 Press the ADJ key to come out after adjustment 6 Preparation for Adjustment 1 Connect the power to TV Set and set the status of Power on 2 Heat Run must operate over 5 minut...

Page 21: ...nding to prevent ESD Electrostatic Discharge when handing the DMD 2 The worker have to wear wrist strap that connect to ground 3 Electric workshop and an electric conductor surface connect to ground 4 Save the DMD after removement a static electricity Keep it at an exclusive case when moving it When grounding open the case 5 Put on gloves that to prevent static electricity If it s old replace it 6...

Page 22: ...tortion Type Tilt b Adjustment Method Rotate the Engine Base on the right or left side so line of the Cross pattern will be level 2 In case of the upper screen size is large bottom screen size than upward projector a Distortion Type Keystone b Adjustment Method Raise the front panel as looking downward the projection lens and then bottom screen size is large so the image will be level 3 In case of...

Page 23: ...ss the button to complete and then display the OK OSD message 3 When AV1 adjustment is completed turn to the Component1 4 Press Adjust key on the remote control to enter the adjustment mode after receive the 720 60Hz Pattern COLOR Bar Pattern of MSPG 925FS Fig 9 5 In adjustment items enter the Auto RGB HEX and press the G button to enter the adjustment items auto atonally In menus enter the Auto C...

Page 24: ...t power and turn Power on 2 Using the Remote Control enter from ADJ to CWI NDC 3 Adjustment 1 Using the Channel key adjust CWI Pat 1 to the LEFT RIGHT 2 As adjustment check the appearance noise in the TEST Pattern Fig 12 Setting the value reduced 3 4 step at a GREEN noise disappearing spot Intermediate value the point Green color disappears from the Ramp Pattern and the point bottom color purity c...

Page 25: ... 1 Model Edit Interval time and Target White coordinate that are between command words per Mode being possible to correct a common difference Fig 17 2 Port Edit CA 210 and RS 232C Connection setting about SET Fig18 To be impossible auto adjustment manual adjustment 1 Entry become to IN START Optics Check order using the adjustment remote controller 2 Color coordinates x y L of White is measured ch...

Page 26: ...28 29 30 31 32 Off BG V UHF 1 C1 45 25Mhz 1 On 28EA Channel Dynamic 95 50 50 60 center Only NTSC Off Flat Off Center Center Off Off TV On TV Off Off 16 9 30 Off Right Bottom English Small 1 16 ON Cool Item Power System Band Channel Name Storage Booster Channel Memory PICTURE PSM Contrast Brightness Color Sharpness Tint Cinema SSM AVL Balance Equalizer Auto Sleep Sleep Timer Main Input PIP Input Ch...

Page 27: ... 27 BLOCK DIAGRAM ...

Page 28: ... 28 ...

Page 29: ... 29 ...

Page 30: ... 30 ...

Page 31: ... 31 ...

Page 32: ... 32 ...

Page 33: ...MEMO 33 ...

Page 34: ...620 120 300 590 330 591 650 310 660 121 630 400 405 401 402 690 404 406 570 571 301 403 603 503 540 520 501 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 320 580 581 621 ...

Page 35: ...SMANZD PWB PCB ASSEMBLY SUB MB05DC 44SZ8R UE ANALTAX M I FOR DMD HD4 DRIVER 571 3141VSNS77D CHASSIS ASSEMBLY SUB MB05DC HD4 DMD BOARD ASSY FOR 44SZ8R UE 580 5900V09008F FAN G9232S06B2 AA DONGYANG DC AXIAL 6V 90MM 1700RPM 3P 850MM IC LA6583M 581 4980V00E80B SUPPORTER SECC EGI NEW DMD FAN SUPPORTER HD3 PRESS 590 6871VSN222C PWB PCB ASSEMBLY SUB PSW MB042A DN 44SZ80L 591 351 012A LINK POWER 5 5 18 AB...

Page 36: ...75S ALY BK KEC LOCA NO PART NO DESCRIPTION IC1 IC1 IC100 IC1000 IC1001 IC101 IC102 IC11 IC1102 IC1103 IC12 IC13 IC133 IC15 IC168 IC169 IC170 IC176 IC177 IC178 IC199 IC2 IC20 IC213 IC214 IC217 IC218 IC22 IC220 IC225 IC228 IC230 IC233 IC234 IC236 IC401 IC402 IC403 IC404 IC412 IC413 IC500 IC501 IC502 IC503 IC511 IC511 IC59 IC60 0IMI623200B 0IPRPTO002A 0ISO206900A 0IMI623200B 0IMI623200B 0IMCRSG010A 0...

Page 37: ...DO34 90V LOCA NO PART NO DESCRIPTION D203 D206 D207 D21 D22 D23 D24 D25 D26 D27 D401 D611 D801 D831 D831 D832 D834 D835 D840 D851 D861 D871 D881 D891 D909 D910 D912 D913 D914 D915 Q801 ZD1 ZD1 ZD10 ZD100 ZD101 ZD102 ZD103 ZD110 ZD111 ZD2 ZD3 ZD4 ZD5 ZD6 ZD839 ZD9 IC1003 0DS113379BA 0DS226009AA 0DS226009AA 0DS226009AA 0DS226009AA 0DS226009AA 0DRSE00038A 0DRSE00038A 0DRSE00038A 0DRSE00038A 0DRDI0014...

Page 38: ...1608 50V 10 R TP X7R 10UF MVG 16V 20 R TP SMD SMD 10UF MVG 16V 20 R TP SMD SMD 22UF MVG 16V 20 SMD R TP 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION C1143 C1144 C1145 C1146 C1147 C1148 C1149 C1150 C1151 C1152 C1153 C1154 C1155 C1156 C1157 C1158 C1159 C1160 C1161 C1161 C1162 C1163 C1163 C1164 C1165 C1166 C1167 C1168 C1169 C1170 C1171 C1172 C1173 C1174 C1174 C117...

Page 39: ...IPTION C408 C409 C41 C410 C411 C412 C413 C414 C415 C416 C417 C418 C418 C42 C420 C422 C423 C426 C43 C43 C434 C435 C44 C44 C440 C441 C443 C445 C446 C447 C448 C449 C450 C452 C454 C455 C456 C48 C48 C481 C482 C49 C50 C51 C51 C511 C515 C517 C519 C52 0CK104CF56A 0CK103CK56A 0CE475SK6DC 0CE476SF6DC 0CK104CF56A 0CK105CD56A 0CK104CF56A 0CK104CF56A 0CE106SF6DC 0CK104CF56A 0CE476SF6DC 0CE227SC6DC 0CE476SF6DC ...

Page 40: ...F 1608 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION C620 C621 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646 C647 C648 C649 C65 C650 C651 C652 C653 C654 C655 C66 C700 C701 C702 C704 C706 C707 C709 C710 C711 C712 C713 C714 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK10...

Page 41: ...F 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R 0 1UF 1608 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56A 0CK104CF56...

Page 42: ... LOCA NO PART NO DESCRIPTION C861 C862 C863 C866 C867 C868 C869 C869 C870 C871 C872 C872 C873 C874 C88 C881 C882 C883 C891 C892 C893 C894 C898 C899 C899 C901 C902 C904 C904 C905 C906 C907 C907 C908 C909 C909 C91 C910 C911 C912 C912 C913 C914 C914 C915 C917 C919 C919 C92 C92 0CE338EF618 0CE477DF618 181 091Q 181 091N 181 091N 181 091N 181 091N 0CE107SF6DC 0CK1040K945 0CE478EHK50 0CE477BF618 0CE477DF...

Page 43: ...G 16V 20 SMD R TP 47UF MVG 16V 20 SMD R TP 220UF MVG 6 3V 20 SMD R TP LOCA NO PART NO DESCRIPTION L183 L215 L217 L220 L222 L403 L861 L871 L881 L891 L891 L903 L904 J4 J5 L1 T801 T830 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 JA106 JA108 P005 P005B 6140VB0023A 6140VB0032A 6140VB0032A 6140VB0032A 6140VB0032A 6140VR0009A 150 C02F 150 C02V 150 C02F 150 C02F ...

Page 44: ... 2 36PAI 1P K M AUTO 2 36PAI 1P K M AUTO 2 36PAI 1P K M AUTO 2 36PAI 1P K M AUTO LOCA NO PART NO DESCRIPTION P806B P806B P807A P807B P807C P808A P808B P820 P821A P822A P841 P8A P1000 P1000A AR100 AR101 AR113 AR114 AR115 AR116 AR598 F861 F891 F891 FB882 R1 R2 R3 R4 R5 R801 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R823 R824 R831 R832 R833 366 009D 366 009D 366 009D 366 009D 366 00...

Page 45: ...FL108 FL109 FL110 FL111 FL112 FL113 FL114 FL115 FL116 FL117 FL118 FL119 FL120 FL121 FL122 FL123 FL124 FL125 FL126 FL127 FL128 FL129 FL131 FL132 FL133 L1100 L1103 L238 140 315F 140 315F 140 315F 140 315F 140 289A 0LCML00004A 0LCML00004A 0LCML00004A 0LCML00002A 0LCML00002A 125 123A 125 123A 125 022K 125 123A 125 123A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A...

Page 46: ...0P N2 5A MLB 201209 0120P N2 5A MLB 201209 0120P N2 5A MLB 201209 0120P N2 5A ZCAT3035 1330 M K TDK KOR STC222D NIIGATA 50VOLT 4A 2200PF STC222D NIIGATA 50VOLT 4A 2200PF STC222D NIIGATA 50VOLT 4A 2200PF STC222D NIIGATA 50VOLT 4A 2200PF CRYSTAL ABLS 19 6608MHZ 22 B 4Y T CRYSTAL ABLS 19 6608MHZ 22 B 4Y T CRYSTAL SX 1 SUNNY 18 432000MHZ CRYSTAL ABLS 27 000MHZ 16 B 4Y F T CRYSTAL SX 1SMD CERAMIC CSBLA...

Page 47: ......

Page 48: ...HD4_DRIVER2 HD4_DRIVER2 HD4_DRIVER2 ...

Page 49: ...HD4_DRIVER3 HD4_DRIVER3 HD4_DRIVER5 HD4_DRIVER4 HD4_DRIVER6 ...

Page 50: ...TOP MAIN BOTTOM DLP DRIVER TOP DLP DRIVER BOTTOM SMPS CONTROL TOP CONTROL BOTTOM JACK TOP JACK BOTTOM SENSOR B D TOP SENSOR B D BOTTOM INTERFACE SIDE A V PRE AMP CASE DET TOP CASE DET BOTTOM AC INPUT LED TOP LED BOTTOM POWER S W ...

Page 51: ...Sep 2005 Printed in Korea P NO 3828VD0216E ...