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SERVICE MANUAL

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

CHASSIS : RF-043A

MODEL : RU-42PX10/C RU-42PX11/H

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

: http//lgservice.com/techsup.html

http://www.wjel.net

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Содержание RU-42PX10

Страница 1: ...BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS RF 043A MODEL RU 42PX10 C RU 42PX11 H CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html h t t p w w w w j e l n e t ...

Страница 2: ...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 reading must ...

Страница 3: ...ICATIONS 7 ADJUSTMENT INSTRUCTIONS 8 TROUBLE SHOOTING GUIDE 12 BLOCK DIAGRAM 23 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD TABLE OF CONTENTS h t t p w w w w j e l n e t ...

Страница 4: ...ur TV This manual explains the features available on the RU 42PX10 TVs Front Panel Controls Front Panel Controls Remote Control Sensor VOLUME F F G G Buttons Power Standby Indicator Illuminates red in standby mode Illuminates green when the TV is turned on CHANNEL E E D D Buttons MENU Button TV VIDEO Button DESCRIPTION OF CONTROLS h t t p w w w w j e l n e t ...

Страница 5: ... these jacks DVD DTV Input Component 1 2 Connect a component video audio device to these jacks Monitor Output Connect a second TV or Monitor Remote Control Port Connect your wired remote control here S Video Input Connect S Video out from an S VIDEO device to the S VIDEO input Power Cord Socket This TV operates on AC power The voltage is indicated on the Specifications page Never attempt to operat...

Страница 6: ...e MTS sound Mono Stereo or SAP MENU Brings up the main menu to the screen REVIEW Tunes to the last channel viewed NUMBER buttons ARC Changes the picture format PIP INPUT Selects the input source for the sub picture SWAP Exchanges the main sub images PIP DW Switches between PIP and Twin picture modes PIPCH PIPCH Changes to next lower higher PIP channel POSITION Moves the sub picture in pip mode SLE...

Страница 7: ...770 000 256 steps of each R G and B 32 104 F 0 40 C Less than 80 6561 feet 2000m RU 50PX10 20 56 1400 30 4 761 5 11 4 290 66 29 9 1366 x 768 Dot Width inches mm Height inches mm Depth inches mm Weight pounds kg Resolution Power requirement Television System Program Coverage External Antenna Impedance Color Operating Temperature Range Operating Humidity Range Maximum Elevation SPECIFICATIONS h t t ...

Страница 8: ...ption Connection Setup or click the icon indicated in the picture and then setup as below the picture In case of the port second one set to the serial port of the connected PC The other only have to be set as below the picture 3 After finishing inputs click the button OK to complete the connection setup 3 2 Confirming the G prove 1 Connect Rs232 cable and then turn on the power If communication is...

Страница 9: ... Test Equipment D M M 1EA 5 2 Connection Diagram for Measuring Refer to Fig 5 5 3 Adjustment Method for P No 3501V00180A B D 1 Va Adjustment 1 After receiving 100 Full White Pattern HEAT RUN 2 Connect terminal of D M M to Va pin of P805 connect terminal to GND pin of P805 3 After turning RV501 voltage of D M M adjustment as same as Va voltage which on lable of panel right top Deviation 0 5V 2 Vs A...

Страница 10: ...V2 Input 60Hz Refer to Fig 6 3 To adjust stick sensor to 216 Gray Level Pattern press ADJ key twice White Balance on remote control For adjustment and D E on reomte control for adjustment mode to select Red Gain and Blue Gain press VOL Key and adjust it until color coordination becomes as below X 0 283 0 003 Y 0 297 0 003 Color Temperature 9 300 K 500 K 4 Exit adjustment mode using A Key 7 Auto RG...

Страница 11: ... Menu 4 Operate EDID Write command 5 Operate EDID Read command and check whether Check Sum is 53 6 If Check Sum is not 53 repeat 3 4 7 If Check Sum is 53 DDC data for Analog RGB input is completed 2 DDC Data input for Digital RGB DVI 1 Connect PC Serial to DVI Cable of jig for DDC adjustment to DVI terminal DVI Jack 2 Operate S W for DDC record and select DDC data for digital RGB in model menu 3 O...

Страница 12: ... the high tension output come out Doesn t the VSC signal Vs ON come out Yes Yes High tension output voltage Drop it occurs When remove the Y B D Module Input Connector output voltage Drop it occurs When remove the Y Z B D Module Input Connector Power Board high tension output voltage Drop it occurs Yes No No 9 Check the Power Board Output high tension circuit Yes 10 Check the Z B D Module Coutput ...

Страница 13: ... 13 TROUBLE SHOOTING GUIDE 1 2 Sony Power Board Structure T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans 1 2 3 h t t p w w w w j e l n e t ...

Страница 14: ... 14 TROUBLE SHOOTING GUIDE 1 3 Sanken Power Board Structure T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans 1 2 3 h t t p w w w w j e l n e t ...

Страница 15: ... the Power Switch and Power Board Cable Connect Cable Yes No Is normal the Fuse F101 on Power Board Replace Fuse Yes No Is connect the Power Board and 7P of VSC Board Cable Connect Cable Yes No Is connect the Power Switch and Power Board Cable After remove the cable connect to Power Board except the CN101 connection cable authorizes the AC voltage marking on manual When ST BY 5V does not operate r...

Страница 16: ...ctor of Y B D Is normal the Fuse F52 on Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B D Is normal the Fuse FS1 FS2 on Z B D In case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 6 7 connector of X B D After remove P1 P2 P3 P4 output voltage ...

Страница 17: ... D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B D Is normal the Fuse FS1 FS2 on Z B D In case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 6 7 connector of X B D After remove P1 P2 P3 P4 output voltage normality Replace Right X B D After remove ...

Страница 18: ...ollow Is normal the LVDS cable Is normal the VSC Digital Board Is the LVDS cable connected well Cable inserts well Yes No No Yes Operates the Thine IC IC1100 Replace Thine IC IC1100 No Is normal the Ctrl Board of Module Replace Ctrl B D No No Operates the IEP IC500 Replace IEP IC500 Yes No Operates the Scaler IC700 Replace VSC Digital B D Replace Scaler IC700 Yes Yes No Replace cable Yes h t t p w...

Страница 19: ...the case of becomes unusual display from RF AV mode Is normal the Tuner Is normal the CXA2069Q Is the Tuner Cable connected well Cable inserts well Yes No No Yes Is normal the VPC3230 Replace Tuner No Is normal the Input voltage IIC Communication and CVBS output Yes Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync ...

Страница 20: ... No Replace IC No Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the 74LS123 Yes Is normal the CXA2101 Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Yes Is normal the M52758 Is normal the Input voltage IIC Communication and HV sync N...

Страница 21: ...Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the M52758 Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Yes Is normal the S...

Страница 22: ...e connected well Cable inserts well No No Cable inserts well No Replace IC800 No Replace IC801 No Replace SPK cable Yes Yes Is normal the RGB DVI sound Is the Flat cable connected well No No Operates the IC800 Yes Operates the IC801 Replace IC802 No Operates the IC802 Replace VSC Analog B D Yes Yes Yes Is normal the RF AV Component sound h t t p w w w w j e l n e t ...

Страница 23: ...HY57V64322 SDRAM 8MB RGB PC DTV RGB PC RGB DTV g m 1601 Sc aler Malib u Comp DTV CXA_RGB RGB_Dat a Main_Vid eo 24 Sub _Vid eo 8 DVI_Dat a TX_Out RS232_RX TX Co mp RGB_SW Fro m Malib u Dig it al Analo g Sid e AV CVBS S VHS Vin5 YCin5 Co mp _Y Co mp _480I P To Malib u Vid eo f o r Text Text TX0 1 2 3 C Disp _En SDATA SCLK SLE HY5DU283222A SDRAM 128MB AM29LV F ROM 1MB Co mp RGB_SW Co mp _480I P Po s ...

Страница 24: ...Exp end er M62320FP I2C Exp end er CXA2069Q UPD64083 UPD64083 VPC3230 MAIN VPC3230 MAIN VPC3230 SUB VPC3230 SUB DVD_SUB DTV_Co mp M52758FP IC400 MUX M52758FP IC400 MUX DVD_MAIN DVD2_MAIN DVD2_SUB DTV2_Co mp S VHS Tuner M Tuner S VIN1 Y CIN1 Co mp Co mp 2 MNT_OUT VIN2 Y CIN2 MAIN_VOUT SUB_COUT SUB_YOUT CAB_VIN MAIN_YOUT MAIN_COUT LA7151M SW CVBS Y COMB_YOUT COMB_COUT ALT_Y_480I_MAIN ALT_Y_480I_SUB ...

Страница 25: ... 25 NOTES h t t p w w w w j e l n e t ...

Страница 26: ... 26 EXPLODED VIEW 300 301 304 302 490 303 202 206 200 207 203 204 201 205 580 400 401 430 410 402 520 560 530 531 570 121 601 600 305 120 h t t p w w w w j e l n e t ...

Страница 27: ...SY AL FILTER RIGHT RZ 42PX10 4980V01069B SUPPORTER ASSY AL FILTER RIGHT LGERS 4980V01069D SUPPORTER ASSY AL FILTER RIGHT 42PX11H 304 4980V01070A SUPPORTER ASSY AL FILTER LEFT RZ 42PX10 4980V01070D SUPPORTER ASSY AL FILTER LEFT 42PX11H 4980V01070B SUPPORTER ASSY AL FILTER LEFT LGERS 305 3790V00709B FILTER MECH LGM42 01 MITSUI 42 ETCHING MESH GLASS FILTER 400 3809V00444C BACK COVER ASSEMBLY 3809V004...

Страница 28: ...101 IC102 IC103 IC104 IC1100 IC1100 IC1101 IC1200 IC1201 IC1202 IC1300 IC1301 IC1302 IC1303 IC1304 IC1305 IC1306 IC200 IC201 IC202 IC203 IC204 IC400 IC401 IC500 IC500 IC501 IC502 IC503 IC600 IC600 IC601 IC601 IC602 IC700 IC700 IC701 IC702 IC800 0IMMRAL014B 0IMI623200B 0IMCRFA010A 0IPRPML001A 0IMCRSH001A 0ITK118100B 0IMCRSH001A 0IMMRAL014B 0IMCRTI003A 0IMCRTI021A 0IMCRTI021A 0IMCRTH002A 0IMMRNE002A...

Страница 29: ...P 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC 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 Q802 D100 D100 D1000 D1001 D1002 D1003 D1004 D101 D101 D102 D102 D103 D103 D104 D105 D116 D117 D118 D119 D120 D1200 D1201 D1206 D121 D122 D123 D124 D125 D126 D127 D128 D129 D130 D1300 D1301 D1302 D13...

Страница 30: ...UF MVG 16V M 100UF MVG 16V M 47UF STD 16V M 100UF MVG 16V M LOCA NO PART NO DESCRIPTION C1058 C1059 C106 C1060 C1061 C1063 C1066 C1067 C107 C1072 C1074 C1077 C108 C1081 C1083 C1084 C1087 C110 C1108 C111 C112 C1128 C1129 C113 C114 C114 C1145 C1146 C1147 C1152 C1159 C1160 C120 C1201 C1202 C1204 C1205 C1206 C1207 C1209 C121 C121 C1211 C1212 C1215 C1216 C1218 C1220 C1229 C1230 C1232 0CE107SF6DC 0CE477...

Страница 31: ...G 16V M 47UF MVG 16V M 47UF MVG 16V M 47UF MVG 16V M 10000P 50V K B 470UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C1395 C1397 C1398 C1400 C1402 C1404 C1408 C1410 C1411 C1413 C1415 C1420 C1424 C1425 C1427 C207 C208 C209 C210 C212 C217 C222 C222 C223 C223 C224 C224 C227 C228 C229 C230 C251 C253 C254 C256 C258 C259 C260 C261 C262 C263 C270 C271 C272 C274 C276 C284 C285 C286 C288 C289 0CH2103K516 0CH21...

Страница 32: ...10UF MVG 16V 20 10UF MVG 16V 20 100UF MVG 16V M 22UF MVG 16V 20 10UF MVG 16V 20 10UF MVG 16V 20 22UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C723 C727 C737 C744 C752 C757 C762 C769 C777 C778 C785 C800 C801 C802 C803 C812 C817 C821 C822 C825 C827 C828 C829 C834 C834 C837 C840 C841 C847 C851 C852 C862 C863 C872 C873 C874 R112 R113 JK103 JK200 JK201 JK202 P101 P102 P200 P201 L1004 0CE226SF6DC 0CE106SF...

Страница 33: ... OHM 1 16 W 1608 5 22 OHM 1 16 W 1608 5 LOCA NO PART NO DESCRIPTION AR615 AR616 AR617 AR618 AR700 AR701 AR701 AR702 AR703 AR707 AR708 AR709 AR710 AR711 AR712 AR713 AR714 AR715 AR717 AR718 AR719 R801 R802 SW001 SW002 SW003 SW004 SW005 SW006 SW700 SW800 SW800 L100 L100 L1000 L1002 L1008 L1009 L101 L101 L1010 L1011 L1012 L1013 L1014 L1015 L1016 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA001D 0RRZVTA0...

Страница 34: ...FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC BK2125 HS 750 LOCA NO PART NO DESCRIPTION L205 L205 L206 L206 L207 L207 L208 L208 L209 L210 L211 L212 L213 L214 L214 L215 L215 L216 L216 L217 L300 L301 L302 L303 L304 L305 L400 L400 L401 L401 L402 L403 L404 L405 L406 L502 L503 L609 L610 L700 L800 L807 L808 LT1100 LT1101 LT1102 LT1103 R102 R103 R106 R107 ...

Страница 35: ...D 8 0MHZ RESONATOR CRYSTAL SX 1 13 500000MHZ RESONATOR CRYSTAL HC49U 20 250MHZ RESONATOR CRYSTAL SX 1 SC14 3MHZ RESONATOR CRYSTAL HC49U 20 250MHZ RESONATOR CRYSTAL HC49U 18 432MHZ FUSE SLOW BLOW 10000MA 250V HOLDER FUSE NON MC994C PAPING HOLDER FUSE NON MC994C PAPING CONNECTOR D SUB 15PIN 2 29MM CONNECTOR D SUB 9P 2 77MM REMOTE CONTROLLER RECEIVER 38KHZ TUNER TAUM H501P TUNER TAFM H502P MANUAL OWN...

Страница 36: ...P NO 3828VD0179D 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 h t t p w w w w j e l n e t ...

Страница 37: ...h t t p w w w w j e l n e t ...

Страница 38: ...h t t p w w w w j e l n e t ...

Страница 39: ...h t t p w w w w j e l n e t ...

Страница 40: ...h t t p w w w w j e l n e t ...

Страница 41: ...MAIN TOP h t t p w w w w j e l n e t ...

Страница 42: ...MAIN TOP PRINTED CIRCUIT BOARD MAIN BOTTOM TUNER TOP TUNER BOTTOM POWER S W TOP SIDE A V TOP SIDE A V BOTTOM CONTROL TOP CONTROL BOTTOM POWER S W BOTTOM h t t p w w w w j e l n e t ...

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