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LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : ML-041A

MODEL : RM-32LZ50

website:http://biz.LGservice.com

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

Содержание RM-32LZ50

Страница 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041A MODEL RM 32LZ50 website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...ent Click Here to read more This eBook will show you how to test the electronic component correctly and accurately Some of you may say that I don t need this eBook because it is too simple Do you know that in fact there is lots of testing electronic components secrets I have learned from this guide Do you know how to test a TRIAC correctly and accurately If you answer no then I guess you have to g...

Страница 3: ...ENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 10 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 17 BLOCK DIAGRAM 22 WIRING DIAGRAM 24 EXPLODED VIEW 25 EXPLODED VIEW PARTS LIST 26 REPLACEMENT PARTS LIST 27 SVC SHEET ...

Страница 4: ...et such as antennas terminals etc 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 i...

Страница 5: ...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...

Страница 6: ...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...

Страница 7: ...ecification TV 1 2 3 4 5 6 7 8 9 Video input applicable system Receivable broadcasting system RF input channel Input voltage Picture size Tuning system Operting environment Storage environment Display 1 PAL D K B G I 2 NTSC M 3 SECAM NTSC 4 43 1 PAL SECAM BG 2 PAL SECAM DK 3 PAL I I 4 SECAM L L 5 NTSC M 6 PAL N M 7 NTSC M VHF E2 E12 UHF E21 E69 CATV S1 S20 HYPER S21 S41 L L B C D VHF 2 13 UHF 14 6...

Страница 8: ... LINE2 11 LINE3 13 Line3 Ready 2 Y GND 4 Pb GND 6 Pr GND 8 LINE1 10 Line2 Ready 12 SWITCH GND 14 SWITCH 1366 horiz By 768 vert pixels RGB strip arrangement Hard coating 3H Anti glare treatment of the front polarizer Item Specification Remark Unit No DVI I input Middle east NTSC Only Japan only LED Green Red Green H x V x D H V Sync ON ON OFF ON ON OFF Video Active OFF OFF LPL LPL Power consumption...

Страница 9: ...Key TOP FLOF LIST 10 page NEC code 1 1 2 Half SCART 1 Full SCART 1 1 1 1 1 BG DK BG I LL BG DK BG I LL X X O X O O X X X Pr vol ok menu tv av power Item Specification Remark No Top option PAL NTSC Rear RT RM Side Side Rear RT RM Rear RZ Rear RZ DVI D Sub 9 pin RM RM Stereo 6 Optical Feature LCD Module Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typi...

Страница 10: ...D 480i EDTV 480p SDTV DVD 625 Line HDTV 576p HDTV 720p HDTV 720p HDTV 1080i 50Hz For Australia HDTV 1080i 60Hz ATSC HDTV 1080i 59 94Hz NO 1 2 3 4 5 6 7 Resoluton 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 H freq kHz 31 469 37 879 48 363 47 693 47 649 33 75 45 00 V freq Hz 59 94 60 31 60 00 60 00 59 936 60 00 60 00 Proposed VESA VGA VESA SVGA VESA XGA VESA WXGA VESA WXGA ...

Страница 11: ...480 10 2 33 H 37 879 1056 800 40 128 88 V 60 317 628 600 1 4 23 H 48 363 1344 1024 24 136 160 V 60 004 806 768 3 6 29 H 47 776 1664 1280 64 128 192 V 59 870 798 768 3 7 20 Mode H V Sort 1 2 3 4 25 175 40 0 65 0 79 50 640x480 800x600 Sync Polarity Frequency Dot Clock Total Period E Video Active Time A Sync Duration D Back Porch F Front Porch B Resolution 1024x768 1280x768 ...

Страница 12: ...video write digital EDID data 2 2 1 EDID DATA DDC DATA Analog DDC DATA Digital 2 3 HDCP High Bandwidth Digital Contents Protection Set 2 3 1 HDCP DVI Digital Visual Interface is the link which transmits HD video of HD and STB when in sleep mode This function prevents the hazard of hang display thus securing the security against the contents and copy protection 2 3 2 To store in EEPROM AT24C16 in H...

Страница 13: ...rogram Manual Program Program Edit Favorite Program PSM SSM AVL Balance Input Child Lock Auto sleep Language H Position V Position Clock Phase Auto Configure Dynamic Contrast Brightness Colour Sharpness Tint Off 30 TV Pr 01 Off 16 9 None Dynamic 80 40 70 70 0 Flat Off 0 TV Off Off English Area Management Variable by each mode NTSC OPTION 3 Shipping Conditions ...

Страница 14: ...On 0 Top Off 1 Top On 0 Ch Sound Non Memory 1 Ch Sound Memory 0 except below area Off 1 Middle east Area Vol On 0 except below area Off 1 China Australia On Option 1 Option 2 NO ITEM CONDITION REMARK 1 2 3 4 Language Txt Lang Inch opt DDCi 1 0 0 Analog 0 Eng Only 1 EU5 2 12 nations Europe 3 Eng Chines 4 Eng Arab Urdu 5 Eng FARSI 0 WEST EU 1 EAST EU 1 2 TURKY EU 3 EAST EU 2 4 CYRILLIC 1 5 CYRILLIC ...

Страница 15: ...eaker Output 1 0 Speaker Output 3W 1 Speaker Output 5W 5 DownLoad 0 0 DownLoad Off 1 DownLoad ON 6 Country 2 0 Japan 1 Korea 2 North America 3 Central and South America 7 Canadian Vchip 1 0 V Chip Function Off 1 V Chip Function ON 8 Screen Size 1 0 4 3 Mode 1 16 9 Mode 9 S Video 1 0 S Video Off 1 S Video on 10 Com Filter 1 0 Com Filter Off 1 Com Filter ON ...

Страница 16: ...14 13 25 6 5V 5V 5V 4 7K 4 7K 4 7K 74LS06 74LS06 OFF ON OFF ON 11 Figure 1 Cable Connection Windows EDID V1 0 User Manual Operating System MS Windows 98 2000 XP Port Setup Windows 98 Don t need setup Windows 2000 XP Need to Port Setup This program is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number...

Страница 17: ...put To check 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 ...

Страница 18: ...e Power B D Change IC1300 IC4 or IC8 Change LED Assy Change L808 L809 F801 F802 Check 24V or 12V of Power B D Check Output of IC1300 IC4 or IC8 Check LED Assy Check P101 Connector Faill Faill Faill Change L3 L1300 Check Output of L3 L1300 Faill Pass Faill Pass Pass Pass A Process ...

Страница 19: ...ck inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Faill Change L900 L901 L902 L903 Faill Change IC901 Faill Change inverter connector or inverter Faill Change panel link cable or module Faill Change module Faill Check panel link Cable or module Pass Pass Pass Pass B Process ...

Страница 20: ...Process Check the input output of IC1 Check the input output of IC901 Check input source cable and jack Faill Re soldering or Change the defect part Faill Re soldering or Change the defect part Faill Pass Pass Pass Check the input output of IC500 IC600 Re soldering or Change the defect part Faill Pass ...

Страница 21: ...TU1000 Check the input output of IC1 Check the input output of IC500 IC600 Check input source cable and jack Faill Faill Faill Faill Re soldering or Change the defect part Faill Faill Re soldering or Change the defect part Check 5V 33V of TU1000 Re soldering or Change the defect part Pass Pass Pass Check the input output of IC901 Re soldering or Change the defect part Pass Pass ...

Страница 22: ...input Check the input source Faill Pass Re soldering or Change the defect part Check the input output of IC1 Faill Pass Re soldering or Change the defect part Check the input output of IC100 IC101 Faill Pass Change speaker Check the speaker Faill Pass ...

Страница 23: ..._COMP SIDE_Y C HD_COMP _ L R CVBS_L R PC_ LR LA7222C SIDE_ LR 3 R G B R G B CVBS_IN NTSC _ IF VCT49xyI VCTI IC1 MPS7720 AMP M52758 S W IC850 MST9883 ADC IC600 FLI2300 IC500 RAM IC501 SM5301 IC800 GM5221 SCALER IC901 ROM IC900 IC200 IC100 IC101 TC90A65F 3D Comb IC450 VCTi_Video out 3D_Comb_Y C 2 LVDS or TTL OUT ...

Страница 24: ...image quality enhanced data to an analog RGB signal again before displaying it The image quality enhanced de interlace signal is inputted to the scaler GM5221 and converted to the LVDS signal by the integrated LVDS IC before being sent to the LCD module VCTI is the main microcomputer that processes both video signals and sound signals It also processes the RF signal received from the tuner The sca...

Страница 25: ...10Pin 6Pin 5Pin 3Pin 4 8 3 9 6 5 2 7 1 MAIN BOARD POWER BOARD WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 8 9 Wiring Part List 6631T11020N 6631T20032S 6631T20032T 6631T25019K 6631T20033F 6631T20033T 6631T20033A 6631T20033E 6631T20033D ...

Страница 26: ... 25 EXPLODED VIEW 001 005 007 008 009 002 010 006 011 012 013 014 015 003 004 016 ...

Страница 27: ...ER ASSEMBLY RZ 30LZ50 5WX2EA 8OHM ESTEC R 4P UL1185 24 6871TST589A PWB PCB ASSEMBLY SUB 26LZ50 KEY SUB TOTAL BRAND KEY BOARD 6871TST642B PWB PCB ASSEMBLY SUB RM 32LZ50 LED P SW TOTAL BRAND 6871TVT370A PWB PCB ASSEMBLY VIDEO RZ 30LZ50 SIDE A V SUB TOTAL BRAND 4951TKS170C METAL ASSEMBLY FRAME 32LZ50 4951TKS170D METAL ASSEMBLY FRAME 32LZ50 SKD 6871TPT275A PWB PCB ASSEMBLY POWER RZ 30LZ50 POWER TOTAL ...

Страница 28: ...51A 27000PF 2012 50V 10 B Y5P R C1017 0CH5390K416 39PF 50V 5 NP0 2012 R TP C1018 0CH5390K416 39PF 50V 5 NP0 2012 R TP C107 0CK225DFK4A 2 2UF 2012 16V 20 20 F Y5V C109 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C110 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C113 0CK225DFK4A 2 2UF 2012 16V 20 20 F Y5V C114 0CK225DFK4A 2 2UF 2012 16V 20 20 F Y5V C127 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C128 0CH3104K566...

Страница 29: ... 50V 10 X7R 2012 R TP C628 0CH3822K516 8200PF 2012 50V 10 B Y5P R C629 0CH3823K516 82000PF 2012 50V 10 B Y5P R DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C632 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C633 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C634 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C635 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C636 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C637 0C...

Страница 30: ... 10 R TP X7R C40 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C41 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C45 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C463 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C469 0CK152CK51A 1500PF 1608 50V 10 R TP B Y5 C473 0CK474CH94A 0 47UF 1608 25V 80 20 R TP C476 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C477 0CK103CK5...

Страница 31: ...E107WF6DC 100UF MVK 16V 20 R TP SMD S C805 0CE227WF6DC 220UF MVK 16V 20 R TP SMD S C806 0CE227WF6DC 220UF MVK 16V 20 R TP SMD S C807 0CE227WF6DC 220UF MVK 16V 20 R TP SMD S DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C814 0CE227WF6DC 220UF MVK 16V 20 R TP SMD S C815 0CH8476F691 47UF 16V 20 105STD CYL R T C857 0CE227WF6DC 220UF MVK 16V 20 R TP SMD S C858 0CH8476F691 47UF 16V 20 10...

Страница 32: ...01 CERATEC 3216MM L202 6210TCE001A HB 1S2012 080JT CERATEC 2012M L203 6210TCE001A HB 1S2012 080JT CERATEC 2012M L211 6210TCE001A HB 1S2012 080JT CERATEC 2012M L212 6210TCE001A HB 1S2012 080JT CERATEC 2012M L3 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L401 6210TCE001G HH 1M3216 501 CERATEC 3216MM L5 6210TCE001G HH 1M3216 501 CERATEC 3216M...

Страница 33: ... PART NO DESCRIPTION SPECIFICATION R713 0RH0752D622 75 1 10W 5 D R TP R715 0RH1202D622 12K 1 10W 5 D R TP R716 0RH0752D622 75 1 10W 5 D R TP R719 0RH1502D622 15K 1 10W 5 D R TP R725 0RH1000D622 100 1 10W 5 D R TP R729 0RH1000D622 100 1 10W 5 D R TP R730 0RH1000D622 100 1 10W 5 D R TP R737 0RH4701D622 4 7K 1 10W 5 D R TP R738 0RH4701D622 4 7K 1 10W 5 D R TP R755 0RH0102D622 10 1 10W 5 D R TP R756 0...

Страница 34: ...120 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R121 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R122 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R123 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R124 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R125 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R127 0RJ3301D677 3 3K OHM 1 10 W 5 1608 R TP R130 0RJ5601D477 5 6K OHM 1 10 ...

Страница 35: ... 5 1608 R TP R711 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R717 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R718 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R72 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R720 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R721 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R722 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R727 0RJ1000D677 100 O...

Страница 36: ...30 P IC900 6620F00017A CCSD 32T SM WOOYOUNG 32P PLCC TU1000 6700VS0003D TAEW G052P LGIT MULTI VS RCA L1700 0LA0102K119 10UH K 2 3 3 4 TP R1700 0RN8200F409 820 1 6W 1 TA52 R1701 0RN6200F409 620 1 6W 1 TA52 R1702 0RN5100F409 510 1 6W 1 TA52 R1703 0RN4300F409 430 OHM 1 6 W 1 00 TA52 R1704 0RN3300F409 330 1 6W 1 TA52 R1705 0RN2700F409 270 1 6W 1 TA52 R1706 0RN2701F409 2 7K OHM 1 6 W 1 00 TA52 SW1700 1...

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Страница 39: ...Oct 2004 Printed in Korea P NO 3828TSL108L ...

Страница 40: ...ent Click Here to read more This eBook will show you how to test the electronic component correctly and accurately Some of you may say that I don t need this eBook because it is too simple Do you know that in fact there is lots of testing electronic components secrets I have learned from this guide Do you know how to test a TRIAC correctly and accurately If you answer no then I guess you have to g...

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