LG 26LZ5RV-TC Service Manual Download Page 2

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CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SERVICING PRECAUTIONS.....................................................................4

SPECIFICATION ........................................................................................6

ADJUSTMENT INSTRUCTION................................................................11

TROUBLE SHOOTING ............................................................................15

BLOCK DIAGRAM...................................................................................21

WIRING DIAGRAM ..................................................................................24

EXPLODED VIEW .................................................................................. 25

EXPLODED VIEW PARTS LIST ..............................................................26

REPLACEMENT PARTS LIST ............................................................... 27

SVC. SHEET ...............................................................................................

Summary of Contents for 26LZ5RV-TC

Page 1: ... K IP S C A N S K IP S C A N LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041D MODEL 26LZ5RV ZC 26LZ5RV TC website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ... 2 PRODUCT SAFETY 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 15 BLOCK DIAGRAM 21 WIRING DIAGRAM 24 EXPLODED VIEW 25 EXPLODED VIEW PARTS LIST 26 REPLACEMENT PARTS LIST 27 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: ...emark 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 5 NTSC M 6 PAL N M 6 7 South America Market 7 NTSC M 7 Except South America NTSC Market RM 3 RF Input Channel VHF E2 E12 PAL UHF E21 E69 CATV S1 S20 HYPER S21 S41 L L B C D FRANCE VHF 2 13 NTSC UHF 14 69 CATV 1 12...

Page 7: ...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 ON ON Active max 170W W Green Stand by OFF ON OFF 3 0W W Red DPMS Mode ON OFF OFF typ 35W W Green Power off W 6 LCD Module Type LPL 622 x 389 x 53 mm H x V x D Size AUO 620 8 x 389 x 37 Pixel Pitch LPL 0 1475 x 0 4425 x RGB mm AUO 0 1475 x 0 4425 x RG...

Page 8: ... 20 21 22 23 24 25 26 Teletext REMOCON AV input S AV input Component input PERI TV connector PERI TV connector RGB input RS 232 Discrete IR D sub audio input 2 Carrier stereo NICAM stereo 2 Carrier dual NICAM dual DW Double Window mode MW Multi Window mode Film mode Noise reduction Progressive scan Motion detection SRS WOW Swivel Speaker EZ pip Local Key Local key DVD TOP FLOF NEC code 1 1 2 Half ...

Page 9: ...B 1 640x480 31 469 59 94 25 17 VESA VGA 2 640x480 35 67 30 24 VESA VGA 3 640x480 37 500 75 00 31 50 VESA VGA 4 800x600 35 156 56 25 36 00 VESA SVGA 5 800x600 37 879 60 31 40 00 VESA SVGA 6 800x600 48 077 72 18 50 00 VESA SVGA 7 800x600 46 875 75 00 49 50 VESA SVGA 8 1024x768 48 363 60 00 65 00 VESA XGA 9 1024x768 56 476 70 06 75 00 VESA XGA 10 1024x768 60 023 75 02 78 75 VESA XGA 11 1280x768 47 69...

Page 10: ... 16 9 7 Station Auto Program Manual Program Program Edit Favorite Program None 8 Picture PSM Dynamic Dynamic Contrast 80 Brightness 40 Colour 70 Sharpness 70 Tint 0 NTSC OPTION 9 Sound SSM Flat AVL Off Balance 0 10 Special Input TV Child Lock Off Auto sleep Off Language English Area Management 11 PC H Position V Position Variable by each mode Clock Phase Auto Configue ...

Page 11: ...pressing enter key stores and completes the process Note PC Adjustment must be completed before auto adjustment 3 4 Video signal Gain Offset Adjustment Auto adjustment Execution of White Pattern during Heat Run over 30min Connect to the LCD TV AV1 Scart input terminal with Patten Generator MSPG 925FS 26LZ5V ZC Connect to the LCD TV AV Input terminal with Patten Generator MSPG 925FS 26LZ5V TC Conve...

Page 12: ...hanging R and R 3 6 EDID The Extended Display Identification Data Connect D Sub to DVI I Cable to DVI I Jack Confirm the pc display by inputting the Analog signal After displayed input the Analog EDID data Connect DVI D Cable to DVI Jack Confirm the pc display by inputting the Digital signal After displayed input the Digital EDID data 3 6 1 EDID DATA DDC DATA Analog Set DDC DATA Digital Set 3 7 HD...

Page 13: ... 3 Top 1 0 Top OFF 1 Top ON 4 I II SAVE 1 0 Ch Sound Non Memory 1 Ch Sound Memory 5 Turbo Vol 0 0 except below area Off 1 Middle East Area Vol On 6 Ch Aus 0 0 except below area Off 1 China Australia On Option 3 1 Language 1 0 Eng Only 1 EU5 2 12 nations Europe 3 Eng Chinese 4 Eng Arab Urdu 5 Eng FARSI 2 Txt Lang 0 0 WEST EU 1 EAST EU1 2 TURKY EU 3 EAST EU2 4 CYRILLIC1 5 CYRILLIC2 6 CYRILLIC3 7 TUR...

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: ...ower LED indicator off Change IC1300 IC4 or IC6 Change LED Assy Check 24V or 12V of Power B D Check Output of IC1300 IC4 or IC6 Check LED Assy Check P101 Connector Faill Faill Change L3 L1300 Check Output of L3 L1300 Faill Faill Pass Pass Pass A Process ...

Page 16: ...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 ...

Page 17: ...k input source cable and jack Faill Re soldering or Change the defect part Check IC800 Faill Re soldering or Change the defect part Check IC500 X500 IC501 Faill Pass Pass Pass Check the input output of IC901 Re soldering or Change the defect part Check X900 Faill Pass Check the input output of IC600 Re soldering or Change the defect part Check IC600 Faill Pass Pass C Process ...

Page 18: ... Video No Raster on TV RF signal Change Q317 Q318 Q308 Q313 Check the signal of Q317 Q318 Q308 Q313 Repeat A Process Check the output of TU1000 Faill Faill Faill Check 5V 33V of TU1000 Re soldering of Change the defect part Pass Pass C Process ...

Page 19: ... 19 No Raster on DVD Signal Check the signal of R1211 R1212 R1213 Repeat A Process Faill Check P1200 P1202 or DVD Cable Pass Pass C Process ...

Page 20: ...e soldering or Change the defect part Check X11 Check the input output of IC1 Faill Pass Re soldering or Change the defect part Check IC403 X601 Re soldering or Change the defect part Check IC400 Check the input output of IC401 Faill Pass Check the input output of IC400 Faill Pass Change the speaker Check the speaker Faill Pass ...

Page 21: ...BLOCK DIAGRAM 26LZ5RV ZC 21 ...

Page 22: ...TI IC1 VCTI IC1 AN15865A IC800 AN15865A IC800 RAM IC501 RAM IC501 MST9883 IC600 MST9883 IC600 S VHS ROM IC900 ROM IC900 MSP4410K IC401 MSP4410K IC401 DVD_POWER Y Pb Pr R L VCTI sound_ LR Comp 1_L R PC_L R AV_L R DVD_ LR R G B DVD_Y Pb Pr TPA3008 AMP TPA3008 AMP SIDE_Y Pb Pr Comp2 Comp1_Y Pb Pr PC_R G B H V sync R G B R 8 G 8 B 8 ADC_H V_sync R G B FLI_H V_sync R G B H V_sync DVI L R ...

Page 23: ...sor that handles video signal processing and sound signal processing It also manages the RF signals received from the tuner The scaler can control timing to fit into the LCD panel and can also control the size and position of the inputsignal 2 Power Supply Unit The power supply unit provides 24V 12V and 5V DC power to the mainboard The PWM Step Up DC DC Converter circuit is used to generate the 33...

Page 24: ...631T11020A 6P 6631T20033B 5P 6631T20033C 14P 6631T20033E 14P 6631T20032A 5P 6631T25023Y 12P 6631T25019K 10P 6631T20033F 3P 6631T20033D 4P 6631T25023X 30P 6631T20040A 30P 6631T20040B 3P 6631T20031G WIRING DIAGRAM ...

Page 25: ... 25 EXPLODED VIEW 010 070 020 090 100 110 120 030 050 060 040 180 170 160 150 140 130 080 ...

Page 26: ...SPEAKER ASSEMBLY KZ 26LZ51 R 4P 6400GKTX01A SPEAKER FULLRANGE F1527C 6428 L TONG FULL RANGE GENERAL 80HM 7 12W 83DB OTHERS 34 5X71 Only RUSSIA 4951TKS156K METAL ASSEMBLY FRAME RZ 26LZ5RV LPL CKD 4951TKS156J METAL ASSEMBLY FRAME RZ 26LZ5RV LPL tc 6871TPT275E PWB PCB ASSEMBLY POWER RM 32LZ50 POWER TOTAL BRAND 26 32INCH PB FREE 3313TL2033A MAIN TOTAL ASSEMBLY KZ 26LZ51 BRAND ML 041D 3313TP2068A MAIN ...

Page 27: ...ART NO DESCRIPTION SPECIFICATION C480 0CK225DH94A 2 2UF 2012 25V 80 20 F Y C481 0CK225DH94A 2 2UF 2012 25V 80 20 F Y C49 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C490 0CK474DH56A 0 47UF 2012 25V 10 R TP X7 C491 0CK474DH56A 0 47UF 2012 25V 10 R TP X7 C494 0CK225DH94A 2 2UF 2012 25V 80 20 F Y C500 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C505 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C506 0CH3104K566 0 1UF...

Page 28: ... X7R 2012 R TP C909 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C910 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C911 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C912 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C913 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C914 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C915 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C916 0CH3104K566...

Page 29: ...V 80 20 R C848 0CK474CH94A 0 47UF 1608 25V 80 20 R C850 0CK474CH94A 0 47UF 1608 25V 80 20 R DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C851 0CK474CH94A 0 47UF 1608 25V 80 20 R C853 0CK474CH94A 0 47UF 1608 25V 80 20 R C856 0CK474CH94A 0 47UF 1608 25V 80 20 R C859 0CK474CH94A 0 47UF 1608 25V 80 20 R C860 0CK474CH94A 0 47UF 1608 25V 80 20 R C861 0CK474CH94A 0 47UF 1608 25V 80 20 R C...

Page 30: ...EJ618 470UF KMG 35V 20 FL TP 5 C890 0CE337ZF638 330UF SEP 16V 20 FM5 TP 5 C100 0CH8476F691 47UF 16V 20 105STD CYL R C1006 0CH8106J691 10UF 35V 20 105STD CYL R DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1008 0CE227WF6DC 220UF MVK 16V 20 R TP SMD C107 0CE107WH6DC 100UF MVK 25V 20 R TP SMD C1215 0CE477WF6DC 470UF MVK 16V 20 SMD R TP C1216 0CE477WF6DC 470UF MVK 16V 20 SMD R TP C17 0...

Page 31: ...918 0IMCRAL006A AT24C16AN 10SU 2 7 LF ATMEL IC1201 0IMCRNS007E LMS1587CS 3 3 NATIONAL SEMI DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC401 0IMCRMN028B MSP4410K MICRONAS 80P PQFP IC500 0IMCRGN002D FLI2300BD LF PB FREE GENESI IC750 0IMCRSG010A ST3232CDR SGS THOMSON SOP16 IC808 0IMCRNS007C LMS1587CS ADJ NATIONAL SEMI IC1 0IPRPMN003C VCT49XYF C7 NTSC PAL MICRO IC2001 0IPRPJR017A NJU...

Page 32: ...CHIP 2SC3875S ALY BK KEC Q210 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV TC Q211 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV TC DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q213 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV TC Q300 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV ZC Q302 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV ZC Q303 0TR387500AA CHIP 2SC3875S ALY BK KEC 26LZ5RV...

Page 33: ...0 W 2012 5 00 R352 0RH1002D622 10K OHM 1 10 W 2012 5 00 R353 0RH1002D622 10K OHM 1 10 W 2012 5 00 R354 0RH1002D622 10K OHM 1 10 W 2012 5 00 R355 0RH1002D622 10K OHM 1 10 W 2012 5 00 DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R363 0RH1001D622 1K OHM 1 10 W 2012 5 00 R367 0RH1001D622 1K OHM 1 10 W 2012 5 00 R373 0RH1001D622 1K OHM 1 10 W 2012 5 00 R377 0RH1001D622 1K OHM 1 10 W 201...

Page 34: ...D677 270 OHM 1 10 W 5 1608 R TP R159 0RJ2700D677 270 OHM 1 10 W 5 1608 R TP R16 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R160 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R161 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R163 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R164 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R17 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R173 0RJ3301D677 3 3K OHM 1 10 W 5 1608 R T R175 0RJ3301D677 3 ...

Page 35: ...5 1608 R TP R501 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R5013 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R5015 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5016 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R5017 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5019 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5020 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5021 0RJ0000D677 0 OHM...

Page 36: ...W 5 1608 R TP R904 0RJ0472D677 47 OHM 1 10 W 5 1608 R TP R906 0RJ0472D677 47 OHM 1 10 W 5 1608 R TP R908 0RJ0822D677 82 OHM 1 10 W 5 1608 R TP R909 0RJ0822D677 82 OHM 1 10 W 5 1608 R TP R910 0RJ0822D677 82 OHM 1 10 W 5 1608 R TP R913 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP 26LZ5RV TC R917 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2005 7 15 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R918 0RJ100...

Page 37: ...1 4 W 3 4 5 00 TA5 R1606 0RD1500Q609 150 1 4W 3 5 TA52 SW1600 140 313A TACT 2LEAD 100G TA LG C D LED1600 0DLBE0128AA BRIGHT LED ELECTRONICS BL B R3201 0RD7501F609 7 5K OHM 1 6 W 5 00 TA52 R3202 0RD2401F609 2 4K OHM 1 6 W 5 00 TA52 R3203 0RD9100F609 910 OHM 1 6 W 5 00 TA52 R3204 0RD6200F609 620 OHM 1 6 W 5 00 TA52 R3205 0RD2400F609 240 OHM 1 6 W 5 00 TA52 R3206 0RD3301F609 3 3K OHM 1 6 W 5 00 TA52 ...

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Page 40: ...Jul 2005 Printed in Korea P NO 38289S0004M ...

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