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LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : ML-041A

MODEL : RZ-32LZ50

website:http://biz.LGservice.com

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

Содержание RZ-32LZ50

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

Страница 2: ...ENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 10 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 BLOCK DIAGRAM 21 WIRING DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SVC SHEET ...

Страница 3: ...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 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...

Страница 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...

Страница 6: ...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 7: ... 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 8: ...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 9: ...M RT RM RT RM RT RM RT RM RT RM Pixel clock SDTV DVD 480i SDTV DVD 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 Resoluton 640 x 480 800 x 600 1024 x 768 1280 x 768 1360 x 768 H freq kHz 31 469 37 879 48 363 47 693 47 649 V freq Hz 59 94 60 31 60 00 60 00 59 936 Proposed VESA VGA VESA SVGA VESA XGA ...

Страница 10: ...10 2 33 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 H 37 879 1056 800 40 128 88 V 60 317 628 600 1 4 23 Mode H V Sort 1 2 3 4 25 175 40 0 65 0 79 50 640x480 1024x768 1280x768 800x600 Sync Polarity Frequency Dot Clock Total Period E Video Active Time A Sync Duration D Back Porch F Front Porch B Resolution 10 ...

Страница 11: ... Cable to DVI I Jack 2 Input analog signal and check pc video in the screen 3 After appearing the pc video write Analog EDID data 4 Connect DVI D Cable to DVI Jack 5 Input digital signal and check pc video in the screen 6 After appearing the pc video write digital EDID data 2 2 1 EDID DATA DDC DATA Analog DDC DATA Digital ADJUSTMENT INSTRUCTION 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00 00...

Страница 12: ...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 13: ...n 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 Analog 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 14: ...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 15: ...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 16: ...ange 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 Fail Fail Fail Change L3 L1300 Check Output of L3 L1300 Fail Pass Fail Pass Pass Pass A Process ...

Страница 17: ...Check inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Fail Change L900 L901 L902 L903 Fail Change IC901 Fail Change inverter connector or inverter Fail Change panel link cable or module Fail Change module Fail Check panel link Cable or module Pass Pass Pass Pass B Process ...

Страница 18: ...A Process Check the input output of IC1 Check the input output of IC901 Check input source cable and jack Fail Re soldering or Change the defect part Fail Re soldering or Change the defect part Fail Pass Pass Pass Check the input output of IC500 IC600 Re soldering or Change the defect part Fail Pass ...

Страница 19: ...of TU1000 Check the input output of IC1 Check the input output of IC500 IC600 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Fail Fail 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 20: ...e input Check the input source Fail Pass Re soldering or Change the defect part Check the input output of IC1 Fail Pass Re soldering or Change the defect part Check the input output of IC100 IC101 Fail Pass Change speaker Check the speaker Fail Pass ...

Страница 21: ...00 IC500 RAM IC501 SM5301 IC800 GM5221 SCALER IC901 ROM IC900 DVI R G B 3 3 R G B 8 8 8 PC_R G B 3 PC_R G B DVI 8 3 R G B R L SCART1_V SCART2_V SC_R G B FB SIDE_COMP SIDE_Y C SCART1_L R SIDE_ L R SCART2_ L R PC_ LR LA7222C VOUT_1 2 3 R G B R G B PAL _ IF IC200 IC100 IC101 LVDS or TTL OUT ...

Страница 22: ...o 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 scaler enables to adjust timing on the LCD panel as well as an adjustment of the size and position of the input signal The graphic controller unit receives the PC analog RGB input and the DVI D digital signal and sends the PC input to the s...

Страница 23: ...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 24: ... 24 EXPLODED VIEW 001 002 003 004 016 015 014 013 012 011 006 010 009 007 008 005 ...

Страница 25: ...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 6871TST588A PWB PCB ASSEMBLY SUB 30LZ50 IR SUB TOTAL BRAND IR BOARD 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...

Страница 26: ...80K116 8PF 50V D NP0 2012 R TP C925 0CH6080K116 8PF 50V D NP0 2012 R TP C129 181 007F MPE ECQ V1H224JL3 TR 50V 0 C130 181 007F MPE ECQ V1H224JL3 TR 50V 0 C1001 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1002 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1003 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1004 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1007 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1010 0CK273DK51A 27000PF ...

Страница 27: ...F 50V 10 X7R 2012 R TP C636 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C637 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C638 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C639 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C64 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C640 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C65 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C66 0CK10...

Страница 28: ...4CK56A 0 1UF 1608 50V 10 R TP X7R C70 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C71 0CK106EF56A 10UF 3216 16V 10 X7R R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C72 0CK106EF56A 10UF 3216 16V 10 X7R R TP C73 0CK106EF56A 10UF 3216 16V 10 X7R R TP C750 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C752 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C753 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C75...

Страница 29: ...UF MVK 16V 20 R TP SMD C858 0CH8476F691 47UF 16V 20 105STD CYL R C859 0CH8476F691 47UF 16V 20 105STD CYL R C860 0CH8476F691 47UF 16V 20 105STD CYL R DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C861 0CH8476F691 47UF 16V 20 105STD CYL R C862 0CH8476F691 47UF 16V 20 105STD CYL R C863 0CH8476F691 47UF 16V 20 105STD CYL R C87 0CH8476F691 47UF 16V 20 105STD CYL R C88 0CH8476H691 47UF 2...

Страница 30: ...1G HH 1M3216 501 CERATEC 3216MM L850 6210TCE001G HH 1M3216 501 CERATEC 3216MM L900 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L901 6210TCE001G HH 1M3216 501 CERATEC 3216MM L902 6210TCE001G HH 1M3216 501 CERATEC 3216MM L903 6210TCE001G HH 1M3216 501 CERATEC 3216MM L907 6210TCE001G HH 1M3216 501 CERATEC 3216MM L202 6210TCE001A HB 1S2012 080...

Страница 31: ...4 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R395 0RH6800D622 680 OHM 1 10 W 5 D R TP R44 0RH1000D622 100 1 10W 5 D R TP R45 0RH1000D622 100 1 10W 5 D R TP R502 0RH3301D622 3 3K 1 10W 5 D R TP R520 0RH1800D622 180 1 10W 5 D R TP R527 0RH4701D622 4 7K 1 10W 5 D R TP R607 0RH1000D622 100 1 10W 5 D R TP R610 0RH2701D622 2 7K 1 10W 5 D R TP R703 0RH4701D622 4 7K 1 10W 5 D R TP R705 0RH4701D62...

Страница 32: ...OHM 1 10 W 5 1608 R TP R108 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R109 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R110 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R111 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R1110 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R112 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R113 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R114 0RJ...

Страница 33: ...10 W 5 1608 R TP R56 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R57 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 10 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R58 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R59 0RJ1211D477 1 21K OHM 1 10 W 1 1608 R T R60 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R600 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R601 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R602 0RJ1000D677 ...

Страница 34: ... 10 W 5 1608 R TP R99 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP Z1000 6200QL3001Z B39361 X6966 D100 EPCOS ST C500 4920V00042B NON 22 6MM NON IC401 X11 6202VDT002E SX 1SMD SUNNY RADIAL 2025000 X500 6202VDT002J SX 1 SUNNY 13 500000MHZ X900 6202VDT002B SX 1 SUNNY SC14 3MHZ 30 IC900 6620F00017A CCSD 32T SM WOOYOUNG 32P PLC SC1 381 091C UPJ R1 019 UGCOM 21PIN W SHI SC2 381 091C UPJ R1 019 UGCOM 21PIN W SH...

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Страница 37: ...Oct 2004 Printed in Korea P NO 3828TSL108M ...

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