LG RU-52SZ30, Service Manual

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NB 03JA MODEL RU 52SZ30 RU 60SZ30 website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ONS 4 ELECTROSTATICALLY SENSITIVE ES DEVICES 4 DESCRIPTION OF CONTROLS 5 SPECIFICATION 12 ADJUSTMENT INSTRUCTIONS 13 REPLACING THE LAMP 19 BLOCK DIAGRAM 20 EXPLODED VIEW 24 26 EXPLODED VIEW PARTS LIST 25 27 REPLACEMENT PARTS LIST 28 SCHEMATIC DIAGRAM 2 ...

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 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 metalli...

Page 4: ...ductive parts INSULATION CHECKING PROCEDURE Disconnect the attachment plug from the AC outlet and turn the power on Connect the insulation resistance meter 500 V to the blades of the attach ment plug The insulation resistance between each blade of the attachment plug and accessible conductive parts Note 1 should be more than 1 Mohm Note Accessible conductive parts include metal panels input termin...

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: ... 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 7: ...dicator Lamp indicator Temperature indicator 1 2 3 4 See menu pages for instructions on using the on screen menus The POWER CHANNEL and VOLUME buttons work just as they do on your remote control Don t turn TV on after placing TV from low tempera ture to normal temperature It may cause humidity of inside TV Try it again after about 3 hours 1 2 4 3 6 7 8 5 5 6 7 8 RU 52SZ30 RU 60SZ30 ...

Page 8: ...E 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 ating modes fo...

Page 9: ... 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 When in the m...

Page 10: ...udio Out Used to connect 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 i...

Page 11: ...ce 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 avail able on some very high end equipment that provides better picture quality than video input When you select Front Video or Front S Video the Front audio inputs are automatically select ed as well If you re connecting a video game devi...

Page 12: ...F 14 69 CATV 1 125 Power consumption W 250W Antenna 75 ohm external terminal for VHF UHF Audio Output W 10W x 2 Supplied accessories Remote control batteries 2 size AA Alkaline battery Screen Aspect Ratio 16 x 9 LCD Panel Size 0 87 inch RU 52SZ30 1 21 inch RU 60SZ30 External input 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...

Page 13: ...selected by IN START key RGB alignment is selected in this case 2 Step123 Step selection when changing data ex Step123 1 Change one by one when changing data with Volume key Step123 10 Change ten by ten when changing data with Volume key You can select 1 by press number key 1 10 by press 12 100 by press 123 And you can change data by 1 10 100 3 10 H_position 315 315 315 Actual adjusting menu 4 Mic...

Page 14: ...embling Adjustment 5 1 Screen Tilt Keystone Adjustment 1 Required Test Equipments 1 Six angles wrench and spanner for knob adjustment or fix ation 2 XGA output PC 3 Remote Control 2 Preparation for Adjustment 1 Do not assemble the front pannel equipment so that you can adjust the adjustment knob Fig 3 2 Turn the TV ON and select input mode to RGB_PC 3 Connect XGA output terminal to PC input of TV ...

Page 15: ...vel 2 A equipment composition Adjust at the same condition of equipment composition diagram 3 Preparation for Adjustment Compose the equipment follow Fig 2 and place the set on the fixation stand 1 Select the VDP Test Pattern signal to R1 G1 B1 2 Press the IN START key to select 4 62352 and then select 5 RVREF 8 GVREF 12 BVREF in adjust mode 3 Adjust the luminance of CA100 below 0 75Cd The adjust ...

Page 16: ...and correct register value if need Resister Explanation about uniformity adjustment 1 RamCtrl s w saving uniformity write order Do not adjust 2 CSHP Horizontal start point designation adjustable 3 CSVP Vertical start point designation adjustable 4 CEHP Horizontal END point designation adjustable 5 CEVP Vertical END point designation adjustable 6 Mode uniformity mode select adjustable if need 0 221...

Page 17: ... Level of R Max level when 3coefficient 32 RLMAX Setting up the MAX Level of R 33 GLMIN Setting up the MINIUM Level of G Set under 200 34 GLMID2 Setting up the MIDDLE 2nd Level of G Middle level when 3coefficient 35 GLMID1 Setting up the MIDDLE 1st Level of G Max level when 3coefficient 36 GLMAX Setting up the MAX Level of G 37 BLMIN Setting up the MINIUM Level of B Set under 200 38 BLMID2 Setting...

Page 18: ...ttern and if there is difference adjust like this The field and the letters are distinguished 4 Adjusting Main screen 1 Press the IN Start key on R C for adjustment to select 1 VPX3226 main 2 Adjust to 16 Contrast of adjustment item with key initial value 32 5 Adjusting Sub screen 1 Press the IN Start key on R C for adjustment to select 2 VPX3226 sub 2 Adjust to 16 Contrast of adjustment item with...

Page 19: ... remove the lamp case 6 Insert the new lamp gently into the correct position Make sure it is inserted cor rectly 7 Tighten the screw you removed in step 3 8 Replace the lamp cover and tighten the cover screws Make sure the almp cover is securely fastend If lamp cover is open the lamp indicator flashes green and the projector is not turn on Resetting the lamp time After pressing the key on the remo...

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Page 24: ...EXPLODED VIEW RU 52SZ30 24 430 690 410 420 120 121 300 310 640 650 630 303 307 304 302 305 301 306 123 308 620 670 621 610 611 600 612 124 125 520 550 560 503 502 530 122 174 540 501 680 570 580 401 660 ...

Page 25: ... DIGITAL 502 3210V00073B FRAME RU 60SZ10 CHASSIS SMPS AB 00EA 503 4811V00021G BRACKET ASSEMBLY REAR AV RU 52SZ30 NB03JA BRACKET ASSY 520 6871VMMQ05A PCB ASSEMBLY MAIN PCB ASSEMBLY MAIN RU 52SZ30 MAIN NB03JA 530 6871VPMA07E PCB ASSEMBLY POWER SMPS NB03JA RU 52 60SZ30 540 6871VSMV97A PCB ASSEMBLY SUB TUNER NB03JA RU 52SZ30 550 6871VSMV99A PCB ASSEMBLY SUB DIGITAL NB03JA RU 52SZ30 560 6871VSMV98A PCB...

Page 26: ...26 EXPLODED VIEW RU 60SZ30 430 690 410 420 120 121 300 310 640 650 630 303 307 304 302 305 301 306 123 308 620 670 621 610 611 600 612 124 125 520 550 560 503 502 530 122 174 540 501 680 570 580 401 660 ...

Page 27: ...V00127A FRAME RN 52SZ10H CHASSIS DIGITAL 502 3210V00073B FRAME RU 60SZ10 CHASSIS SMPS AB 00EA 503 4811V00034B BRACKET ASSEMBLY REAR AV RU 60SZ30 NB03JA 520 6871VMMQ05B PCB ASSEMBLY MAIN PCB ASSEMBLY MAIN RU 60SZ30 MAIN NB03JA 530 6871VPMA07E PCB ASSEMBLY POWER SMPS NB03JA RU 52 60SZ30 540 6871VSMV97B PCB ASSEMBLY SUB TUNER NB03JA RU 60SZ30 550 6871VSMV99B PCB ASSEMBLY SUB DIGITAL NB03JA RU 60SZ30 ...

Page 28: ...OCA NO PART NO DESCRIPTION IC01 IC02 IC1 IC100 IC1001 IC1002 IC1004 IC101 IC101 IC102 IC1100 52 IC1101 IC1102 IC1103 IC1104 IC1105 IC1106 IC1107 IC1200 IC1200 IC1202 IC1202 IC1203 IC1300 IC1301 IC1302 IC1303 IC1304 IC1305 IC1400 IC1401 IC1402 IC1403 IC1404 IC1405 IC1500 IC1501 IC1502 IC1503 IC1504 IC1505 IC1602 IC2 IC200 IC208 IC301 0IMI623200B 0IMI623200B 0IZZVC0051G 0IMCRS5003A 0IPRPFA006A 0IPRP...

Page 29: ...75S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q210 Q211 Q500 Q501 Q502 Q504 Q601 Q601 Q602 Q602 Q603 Q605 Q605 Q810 Q841 Q842 Q851 D01 D02 D03 D1 D100 D101 D2 D3 D300 D404 D430 D431 D432 D433 D435 D436 D437 D438 D439 D5 D601 D603 D605 D606 D607 D801 D801 D802 D803 D804 D805 D806 D810 0TR387500AA 0TR387500AA 0TR150400...

Page 30: ...16V 20 47UF MV 16V 20 4 7UF MV 50V 20 10UF MV 16V 20 10UF MV 16V 20 47UF MV 16V 20 10UF MV 16V 20 10UF MV 16V 20 LOCA NO PART NO DESCRIPTION C105 C1055 C106 C1060 C108 C11 C110 C1100 C1101 C1102 C1103 C1104 C1105 C1106 C1107 C1108 C111 C1110 C1111 C1112 C1114 C1116 C1118 C112 C112 C1122 C1125 C1133 C1134 C1138 C1139 C1143 C117 C1200 C1201 C1202 C1202 C1204 C1205 C1206 C1207 C1208 C1209 C1216 C1217...

Page 31: ...V 20 0 01UF 1608 50V 10 0 01UF 1608 50V 10 LOCA NO PART NO DESCRIPTION C1513 C1519 C152 C1520 C1521 C1522 C1524 C1525 C1529 C1535 C1536 C1541 C16 C1620 C1621 C2 C20 C200 C202 C204 C205 C205 C206 C209 C212 C216 C218 C222 C223 C227 C228 C231 C245 C246 C247 C247 C248 C250 C252 C260 C261 C262 C29 C3 C31 C312 C314 C406 C406 C407 C408 C409 0CK103CK56A 0CE476VH6DC 0CE106SF6DC 0CE476VH6DC 0CK103CK56A 0CK1...

Page 32: ...IPTION C634 C643 C643 C644 C645 C648 C664 C668 C669 C800 C801 C801 C801B C802 C804 C804 C805 C806 C806 C807 C807 C808 C809 C814 C814 C818 C818 C820 C821 C822 C823 C824 C825 C829 C831 C832 C832 C833 C835 C836 C837 C841 C843 C845 C853 C855 C856 C858 C859 C862 C865 C873 181 442Z 0CE476VF6DC 0CE226DK618 181 442Z 181 442Z 0CE335VK6DC 0CE335VK6DC 0CE105VK6DC 0CE105VK6DC 0CE106SF6DC 0CK105DF64A 0CQZVBK00...

Page 33: ...PTION AR1100 AR1101 AR1102 AR1103 AR1104 AR1105 AR1200 AR1201 AR1202 AR1203 AR1204 AR1205 AR1206 AR1207 AR1208 AR1209 AR1210 AR1211 AR1212 AR1213 AR1214 AR1215 AR1216 AR1217 AR301 AR302 AR303 AR304 AR305 AR306 R1 R1253 R2 R3 R4 R5 R56 R57 R58 R632 R634 R666 R667 R668 R673 R801B R802B R803 R803B R805 R805B R806 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZ...

Page 34: ...T413 T418 T419 T420 T421 T422 T424 T425 T430 T431 T432 T434 T447 140 315A 140 315A 125 123A 125 022K 125 123A 125 022K 125 022K 125 022K 6200C000009 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 150 F06T 150 F06T 150 F06T 150 F06T 6200C000009 6200C000009 6200C000010 6200C000010 6200JB8009Q 6200VJT006A 6200VJT006A 6200VJT006A 6200VJT001B 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200QJ3001A...

Page 35: ...ATA 50VOLT 1A RESONATOR CRYSTAL HC49U 8 000MHZ RESONATOR CRYSTAL HC49 U 20 000MHZ RESONATOR CRYSTAL SX1SMD 8 0MHZ RESONATOR CRYSTAL HC49U 4 000MHZ RESONATOR CRYSTAL HC49 SM 16MHZ RESONATOR CRYSTAL SX1SMD 20250000HZ RESONATOR CRYSTAL SX1SMD 20250000HZ RESONATOR CRYSTAL HC49U 18 432MHZ THERMISTOR KL15L2R5 15 125V THERMISTOR KL15L2R5 15 125V REMOTE CONTROLLER RECEIVER 38KHZ RELAY DG12D1 TUNER TAFCH00...

Page 36: ...July 2003 Printed in Korea P NO 3828VD0148C ...

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Page 42: ... MAIN TOP MAIN BOTTOM SMPS INTER LCD PJTV SIDE A V PRE AMP BALLAST INT CONTROL TOP LED TOP CONTROL BOTTOM LED BOTTOM DRIVER TOP DRIVER BOTTOM TUNER TOP COMPONENT TOP DIGITAL TOP DIGITAL BOTTOM COMPONENT BOTTOM TUNER BOTTOM ...