LG 26LX1R-ZE Page 1 Service Manual Download

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LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : ML-051A

MODEL : 42LP1R-ME

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Summary of Contents for 26LX1R-ZE

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 051A MODEL 42LP1R ME website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...NTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 BLOCK DIAGRAM 19 WIRING DIAGRAM 20 EXPLODED VIEW 21 EXPLODED VIEW PARTS LIST 22 REPLACEMENT PARTS LIST 23 SVC SHEET ...

Page 3: ...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 parts such as antenna terminals phone jacks etc If the exposed metallic part has a ...

Page 4: ...vely obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a ground...

Page 5: ...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 leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit boa...

Page 6: ...k 1 Video input applicable system PAL D K B G I NTSC M SECAM NTSC 4 43 2 Receivable Broadcasting System 1 PAL SECAM BG ZE TE 2 PAL SECAM DK EU Non EU 3 PAL I I PAL Market 4 SECAM L L 4 Only ZE 5 PAL N M 5 6 South America Market 6 NTSC M 7 Except South America NTSC Market ME 3 RF Input Channel VHF E2 E12 PAL UHF E21 E69 CATV S1 S20 HYPER S21 S47 L L B C D FRANCE VHF 2 13 NTSC UHF 14 69 CATV 1 125 V...

Page 7: ...INE2 720p 1080i 11 LINE3 13 Line3 Ready D4 Jack 2 Y GND JAPAN Only 525i 525p 750p 1125i 4 Pb GND 6 Pr GND 8 LINE1 10 Line2 Ready 12 SWITCH GND 14 SWITCH 5 H V Sync Video Power consumption LED Power ON max 230W W Green Stand by 3 0W W Red DPMS Mode ON OFF OFF 30W W Green Power off W 6 LCD Module Type Size LPL 1006 x 610 x 56 mm H x V x D Pixel Pitch LPL 0 227 x 0 681 x RGB Pixel Format 1366 horiz B...

Page 8: ... 3 800x600 37 879 60 31 40 00 VESA 46 875 75 49 5 VESA 4 832x624 49 725 74 55 57 283 5 1024x768 48 363 60 00 65 00 VESA XGA 56 47 70 00 75 00 VESA XGA 60 123 75 029 78 75 VESA XGA 6 1280x768 47 776 59 870 79 50 VESA WXGA 7 1360x768 47 720 59 799 84 75 VESA WXGA 8 1366x768 47 720 59 799 84 75 Supported 9 720x576 31 25 50 00 HDTV 576p ZE TE 10 1280x720 45 00 50 00 HDTV 720p ZE TE 11 1280x720 44 96 5...

Page 9: ...Video output Composite 1V including sync 75 20 Video input Composite 1V including sync 75 21 Common ground Shield No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Analog RGB Digital RGB 1 720x400 31 468 70 8 28 321 2 640x480 31 469 59 94 25 17 VESA 37 684 75 00 31 5 VESA 3 800x600 37 879 60 31 40 00 VESA 46 875 75 49 5 VESA 4 832x624 49 725 74 55 57 283 5 1024x768 48 363 60 00 65 00 VES...

Page 10: ...dio 5 Ground blue 6 Audio input A left 0 5 Vrms 10 7 8 Function Select AV control High 9 5 12V AV Mode Mid 5 8V Wide Screen Low 0 2V TV Mode 10 9 Ground Green 10 Comms Data 2 11 12 Comms Data 1 13 Ground Red 14 Ground Blanking 15 Red input 16 17 Ground Video input Output 18 19 Video output Composite 1V including sync 75 20 Video input Composite 1V including sync 75 21 Common ground Shield ...

Page 11: ... 25 20 11 49 4B A5 6E 80 31 40 01 01 01 01 45 40 01 01 30 61 40 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88 40 35 00 BC 88 21 00 00 1C 4E 1F 00 80 51 00 1E 30 50 40 80 37 00 BC 88 21 00 00 18 00 00 00 FC 00 33 60 0A 20 20 20 00 00 00 FD 70 00 38 4B 1F 3D 09 00 0A 20 20 20 20 20 20 01 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00 02 03 21 D1 46 85 04 02 01 03 00 23 09 07 07 23 10 09 07 07 23 09 ...

Page 12: ...tput Pattern shown in Fig 2 4 2 1 Method of Auto Component Color Balance 1 Input the Component 720p 100 Color Bar MSPG 925F model 215 pattern 33 signal into Component ZE Component TE ME Component 1or 2 2 Set the PSM to Standard mode in the Picture menu 3 Press the ADJ key on R C for adjustment 4 Press the Vol key to operate the set then it becomes automatically 5 Auto RGB OK means the adjustment i...

Page 13: ...l RS 232 Host should be PC for adjustment AV ADC ZE AV3 TE AV1 ME VIDEO1 should be done before White balance Required Equipments Color Analyzer CA 110 PC for communication through RS 232C UART Baud rate 115200 Pattern Generator MSPG 925F Target Value PSM Standard ZE TE Optimum ME CSM Normal Normal 9300K x 283 0 003 y 298 0 003 Luminance Y AV COMP Less then 250 Cd m2 Typ 300 Cd m2 PC Less then300 C...

Page 14: ...lor sys ACC Cool XD On ACM Fleshtone 1 Greentone 1 Bluetone 1 9 Sound EZ Sound Flat SRS WOW Off AVL Off Balance 0 Treble 50 Bass 50 TV Speaker On 10 Timer Clock Off Off time Off On time Off Auto sleep Off 11 Special Input TV Language English Key Lock Off Set ID 1 Caption Text Off XD Demo To Start Logo light On Index On 12 Screen Auto config Manual config XGA Mode ARC Zoom Variable by each mode Pos...

Page 15: ...k the front AV To move channel up down or to select a function displayed on the screen To adjust the volume or accurately control a specific function To set a specific function or complete setting To move the channel down in the PIP screen To use as a red key in the teletext mode To move the channel in the PIP screen To use as a green key in the teletext mode To switch between the main and sub scr...

Page 16: ...POWER INDICATOR OFF REPLACE POWER BOARD CHECK POWER BOARD CHECK CN804 VOLTAGE P ST_5V No CHECK CRYSTAL X800 CHECK CRYCTAL X800 19 6608MHZ No Yes CHECK IC806 CHECK IC806 VOLTAGE 5V No Yes CHECK Q1001 CHECK Power on off 5V No Yes Yes ...

Page 17: ...PLACE LCD MODULE CHECK THE PERIPHERAL IC800 CHECK LVDS Output P3 PIN 21 PIN 22 No CHECK THE PERIPHERAL IC1 DOWN LOAD ISP DATA or REPLACE MAIN BOARD Check L2 12V No Yes CHECK L1022 24V CHECK R898 3 3V No Yes Yes Yes No ...

Page 18: ...CABLES WELL IS THE SPK CABLE CONNECTED WELL No CHECK IC302 OR CHANGE DOES IC302 OPERATE No Yes CHECK IC301 OR CHANGE DOES IC301 OPERATE No Yes CHECK X300 OR CHANGE DOES IC300 OPERATE DOES IC400 OPERATE No Yes Yes Yes CHECK X400 OR CHANGE No ...

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

Page 20: ...NG DIAGRAM NO PART NO 1 2 3 4 5 6631V10004A 6631T12006Q 6631T20028V 6631T20036G 6631T20039B 6 7 8 9 10 6631T20032H 6631T20032N 6631T25026D 6631T25026E 6631T25023G 11 12 13 14 6631T20033D 6631T20034U 6631T11020Z 6631T11023D NO PART NO NO PART NO ...

Page 21: ... 21 EXPLODED VIEW 010 020 060 070 080 090 100 110 030 050 040 140 130 150 220 210 200 180 170 190 160 150 120 ...

Page 22: ... TOTAL ASSEMBLY 37 42LP1R ME BRAND ML 051A 6871TSTA45F PWB PCB ASSEMBLY SUB SUB T T ML051A 42LP1R ME SIDE 4814TKK324A SHIELD REAR MAIN 42LP10 3551TKS061F COVER ASSEMBLY 42LP1D SPEAKER LEFT ME BLACK XD ENGINE IF 3551TKS062F COVER ASSEMBLY 42LP1D SPEAKER RIGHT ME BLACK XD ENGINE IF 4951TKK276M METAL ASSEMBLY SHIELD AV ASSY 42LP1R ME 3551TKK597F COVER ASSEMBLY 42LP1D REAR A V COVER ME 4950TKA189A MET...

Page 23: ...012 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1108 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1109 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1111 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1113 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1116 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1118 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1119 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1120 0CH3104K566 0 ...

Page 24: ...1UF 50V 10 X7R 2012 R TP C1277 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1278 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1279 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1280 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1281 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1282 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1284 0CH3104K566 0 1UF 50V 10 X7R 2012 R T...

Page 25: ...R TP C921 0CH3103K516 10000PF 50V 10 B Y5P 2012 C922 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C923 0CH3103K516 10000PF 50V 10 B Y5P 2012 C924 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C925 0CH3103K516 10000PF 50V 10 B Y5P 2012 C926 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C927 0CH3103K516 10000PF 50V 10 B Y5P 2012 C928 0CH3104K566 0 1UF 50V 10...

Page 26: ...F6DC 470UF MVK 16V 20 SMD R TP C1045 0CE107WF6DC 100UF MVK 16V 20 R TP SMD DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1048 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1049 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1054 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1055 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1060 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1061 0CE107WF6DC 100UF MVK 16V 20 R TP SMD...

Page 27: ...600 0IPRPS5006A SIL9021CTU PB FREE SILICON IC802 0ISA721700C LA7217M MFP14 TP SYNC SEPAR IC1001 0IRH033200A BA033FP E2 MOLD 3 TP REGULA IC1002 0IRH033200A BA033FP E2 MOLD 3 TP REGULA IC1003 0IPMGSG018D LD1086DT18TR LF SGS THOMSON IC1004 0IPRPML001A MIC39100 MICREL 3P SOT223 R IC1005 0IRH033200A BA033FP E2 MOLD 3 TP REGULA IC1006 0IPMGSG018D LD1086DT18TR LF SGS THOMSON IC1007 0IRH033200A BA033FP E2...

Page 28: ...R627 0RH1004D422 1M OHM 1 10 W 1 D R TP DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION AR606 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR700 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR701 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR702 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR703 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR704 0RHZTCZ001D RCA SMART 22OHM 1 16 W 5 3 AR705 0RHZTCZ001D RCA SMART ...

Page 29: ...W 2012 5 00 D R1805 0RH2702D622 27K OHM 1 10 W 2012 5 00 R1808 0RH2701D622 2 7K OHM 1 10 W 2012 5 00 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1809 0RH2701D622 2 7K OHM 1 10 W 2012 5 00 R1812 0RH1002D622 10K OHM 1 10 W 2012 5 00 R1813 0RH1002D622 10K OHM 1 10 W 2012 5 00 R1815 0RH0222D622 22 OHM 1 10 W 2012 5 00 R302 0RH2702D622 27K OHM 1 10 W 2012 5 00 R307 0RH4701D622 4 7K O...

Page 30: ... 1 10 W 2012 5 00 R867 0RH4701D622 4 7K OHM 1 10 W 2012 5 00 R888 0RH0332D622 33 OHM 1 10 W 2012 5 00 R889 0RH0332D622 33 OHM 1 10 W 2012 5 00 R892 0RH0332D622 33 OHM 1 10 W 2012 5 00 R893 0RH0332D622 33 OHM 1 10 W 2012 5 00 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R900 0RH0222D622 22 OHM 1 10 W 2012 5 00 R901 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R902 0RH0000D622 0 OHM 1 10 W ...

Page 31: ...0001B JTP1289 JEIL 12V DC 1MA VER SW1202 6600R00001B JTP1289 JEIL 12V DC 1MA VER SW1203 6600R00001B JTP1289 JEIL 12V DC 1MA VER DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION SW1204 6600R00001B JTP1289 JEIL 12V DC 1MA VER SW1205 6600R00001B JTP1289 JEIL 12V DC 1MA VER SW1206 6600R00001B JTP1289 JEIL 12V DC 1MA VER SW1207 6600R00001B JTP1289 JEIL 12V DC 1MA VER SW1208 6600R00001B JTP...

Page 32: ...B Y5P C375 0CK474DH56A 0 47UF 2012 25V 10 R TP X7 C390 0CH3103K516 10000PF 50V 10 B Y5P 2012 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C401 0CH3103K516 10000PF 50V 10 B Y5P 2012 C402 0CH3103K516 10000PF 50V 10 B Y5P 2012 C407 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C408 0CH3103K516 10000PF 50V 10 B Y5P 2012 C409 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C410 0CH3104K566 0 1UF 50V 1...

Page 33: ...12 5 00 R252 0RH0752D622 75 OHM 1 10 W 2012 5 00 R255 0RH0752D622 75 OHM 1 10 W 2012 5 00 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R256 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R257 0RH1001D622 1K OHM 1 10 W 2012 5 00 R259 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R260 0RH0752D622 75 OHM 1 10 W 2012 5 00 R261 0RH0752D622 75 OHM 1 10 W 2012 5 00 R262 0RH4703D622 470K OHM 1 10 W 2012 5 0...

Page 34: ... TP SMD C111 0CE475VK6DC 4 7UF MV 50V 20 R TP SMD C112 0CE227WF6DC 220UF MVK 16V 20 R TP SMD DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C113 0CE106VF6DC 10UF MV 16V 20 R TP SMD S C114 0CE475VK6DC 4 7UF MV 50V 20 R TP SMD C1148 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C1170 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C121 0CE476WF6DC 47UF MVK 16V 20 R TP SMD C127 0CE475VK6DC 4 7UF MV 50V ...

Page 35: ...0 OHM 1 10 W 2012 5 00 R1002 0RH4701D622 4 7K OHM 1 10 W 2012 5 00 R102 0RH1002D622 10K OHM 1 10 W 2012 5 00 R1300 0RH1002D622 10K OHM 1 10 W 2012 5 00 DATE 2005 11 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1301 0RH1002D622 10K OHM 1 10 W 2012 5 00 R1302 0RH2002D622 20K OHM 1 10 W 2012 5 00 R1303 0RH2002D622 20K OHM 1 10 W 2012 5 00 R273 0RH1000D622 100 OHM 1 10 W 2012 5 00 R274 0RH1000D62...

Page 36: ...06SF6DC 10UF MVG 16V 20 R TP SMD C3106 0CE106SF6DC 10UF MVG 16V 20 R TP SMD C3107 0CE106SF6DC 10UF MVG 16V 20 R TP SMD C3108 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3109 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3110 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3111 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3112 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3113 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3114 0CK10...

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Page 40: ...Nov 2005 Printed in Korea P NO 38289S0043A ...

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