LG RZ-23LZ41 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-041A

MODEL : RZ-23LZ41

website:http://biz.LGservice.com

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

Summary of Contents for RZ-23LZ41

Page 1: ...D TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041A MODEL RZ 23LZ41 website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 10 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 15 BLOCK DIAGRAM 20 WIRING DIAGRAM 22 EXPLODED VIEW 23 EXPLODED VIEW PARTS LIST 24 REPLACEMENT PARTS LIST 25 SVC SHEET ...

Page 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...

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: ...Specification 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...

Page 7: ... 9 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 1280 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 consumpti...

Page 8: ...IST 10 page NEC code 1 2 1 2 1 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 AV Side Side Rear RT RM Rear RZ Rear RZ DVI D Sub 9 pin RM RM Stereo 5 Optical Feature LCD Module Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typica...

Page 9: ...80i 59 94Hz NO 1 2 3 4 5 6 7 8 9 10 11 12 13 Resoluton 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 1280 x 768 1280 x 720 1920 x 1080 H freq kHz 31 469 35 37 500 35 156 37 879 48 077 46 875 48 363 56 476 60 023 47 693 45 00 33 75 V freq Hz 59 94 67 75 00 56 25 60 31 72 18 75 00 60 00 70 06 75 02 60 00 60 00 60 00 Proposed VESA VGA VESA VGA ...

Page 10: ... 64 V 72 188 666 600 37 6 23 H 46 875 1056 800 16 80 160 V 75 0 625 600 1 3 21 H 48 363 1344 1024 24 136 160 V 60 004 806 768 3 6 29 H 56 476 1328 1024 24 136 144 V 70 069 806 768 3 6 29 H 60 023 1312 1024 16 96 176 V 75 029 800 768 1 3 28 H 47 776 1664 1280 64 128 192 V 59 870 798 768 3 7 20 Mode H V Sort 1 2 3 4 5 6 7 8 9 10 11 25 175 30 240 31 5 36 40 0 50 0 49 5 65 0 75 78 75 79 50 640x480 640...

Page 11: ...mote control 3 Select Analog for analog data and Digital for digital data 4 Connect the DDC automation equipment and write the DDC 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 FF FF FF FF FF FF 00 1E 6D 05 56 01 01 01 01 10 00 0E 01 03 01 40 26 78 08 B1 DA A1 56 48 98 24 20 13 48 4B 2F CE 00 31 40 01 01 01 04 45 ...

Page 12: ... 10 11 14 15 16 Auto Program 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 ...

Page 13: ... SPAIN 3 NETHERLAND 4 ITALY 5 GERMANY 6 BENELUX 7 POLAND 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 Language Txt Lang Inch opt Remark Remark 0 1 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 E...

Page 14: ...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 ...

Page 15: ...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 ...

Page 16: ...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 Faill Change module Fail Check panel link Cable or module Pass Pass Pass Pass B Process ...

Page 17: ... 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 Faill Pass Pass Pass Check the input output of IC500 IC600 Re soldering or Change the defect part Fail Pass ...

Page 18: ...0 Check the input output of IC1 Check the input output of IC500 IC600 Check input source cable and jack Fail Fail Fail Faill 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 ...

Page 19: ...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 ...

Page 20: ...300 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_AV 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 ...

Page 21: ...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...

Page 22: ...1100 P750 P101 P902 P802 P105 P106 P202 P1601 P1602 1 2 3 4 5 6 7 8 9 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 8 9 Wiring Part List 6631T11020G 6631T20033F 6631T20032J 6631T25019K 6631T20033A 6631T20030J 6631T20033Z 6631T20033Y 6631T20037B ...

Page 23: ... 23 EXPLODED VIEW 070 090 020 080 100 110 170 030 040 050 140 150 160 010 060 060 120 130 200 180 190 210 220 ...

Page 24: ...KI 3313TP2023A MAIN TOTAL ASSEMBLY RZ 23LZ50 LPL BRAND ML 041A 4951TKS191A METAL ASSEMBLY REAR SHIELD 23LZ41 4950VOO150 4951TKS191B METAL ASSEMBLY REAR SHIELD 23LZ41 4950VOO150 C SKD 3551TKK540B COVER ASSEMBLY RZ 23LZ41 REAR 4810TKK245 4950TKK927A METAL SHIELD 23LZ41 4950TKK927B METAL SHIELD C SKD 4810TKK245B BRACKET RT 23LZ41 407AF REAR 6871TVT373A PWB PCB ASSEMBLY VIDEO RZ 23LZ41 SIDE A V SUB TO...

Page 25: ...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 R C1002 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1003 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1004 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1007 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1010 0CK273DK51A 27000PF 2012 50V 10 B Y5P R C107 0CK225DFK4A 2 2UF 201...

Page 26: ...UF 50V 10 X7R 2012 R TP C638 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C639 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 0CK106EF56A 10UF 3216 16V 10 X7R R TP C67 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C700 0CH310...

Page 27: ...106EF56A 10UF 3216 16V 10 X7R R TP C72 0CK106EF56A 10UF 3216 16V 10 X7R R TP C73 0CK106EF56A 10UF 3216 16V 10 X7R R TP DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 C759 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C78 0CK106EF56A 10UF 3216 16V 10 X7R R TP C...

Page 28: ...16V 20 105STD CYL R T C860 0CH8476F691 47UF 16V 20 105STD CYL R T C861 0CH8476F691 47UF 16V 20 105STD CYL R T C862 0CH8476F691 47UF 16V 20 105STD CYL R T DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C863 0CH8476F691 47UF 16V 20 105STD CYL R T C87 0CH8476F691 47UF 16V 20 105STD CYL R T C88 0CH8476H691 47UF 25V 20 105STD CYL R T C900 0CH8476F691 47UF 16V 20 105STD CYL R T C953 0CH84...

Page 29: ... 3216MM L900 6210TCE001G HH 1M3216 501 CERATEC 3216MM L901 6210TCE001G HH 1M3216 501 CERATEC 3216MM L902 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L903 6210TCE001G HH 1M3216 501 CERATEC 3216MM L907 6210TCE001G HH 1M3216 501 CERATEC 3216MM L202 6210TCE001A HB 1S2012 080JT CERATEC 2012M L203 6210TCE001A HB 1S2012 080JT CERATEC 2012M L204 6...

Page 30: ... 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 0RH4701D622 4 7K 1 10W 5 D...

Page 31: ...R108 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R109 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R110 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R1109 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R111 0RJ1000D677 100 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 0RJ1000D677 100 OHM 1 10 ...

Page 32: ...5 1608 R TP R55 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R56 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R57 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R58 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R59 0RJ1211D477 1 21K OHM 1 10 W 1 1608 R TP 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 O...

Page 33: ...00MHZ 5 X900 6202VDT002B SX 1 SUNNY SC14 3MHZ 30 P IC900 6620F00017A CCSD 32T SM WOOYOUNG 32P PLCC TU1000 6700VS0003A TAEW G051D LG INOTEK MULTI VS R1701 0RN4701F409 4 70K 1 6W 1 TA52 DATE 2004 11 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1702 0RN4701F409 4 70K 1 6W 1 TA52 R1703 0RN5101F409 5 10K 1 6W 1 TA52 R1704 0RN3901F409 3 90K 1 6W 1 TA52 R1705 0RN2701F409 2 7K OHM 1 6 W 1 00 TA52 R17...

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Page 36: ...Nov 2004 Printed in Korea P NO 3828TSL108P ...

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