LG rz-32lz55 Service Manual Download Page 17 | Manualshive

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No Raster on Component signal

Change
Q310,Q315,Q316

Check the signal of

Q310,Q315,Q316

Repeat

[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

Faill

Pass

Pass

Pass

Check the input/output

of IC500, IC600

Re-soldering or
Change the defect part

Fail

Pass

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Summary of Contents for rz-32lz55

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041A MODEL RZ 32LZ55 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 10 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: ...urrent 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 r...

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: ...TSC Market RM 3 RF Input Channel VHF E2 E12 UHF E21 E69 PAL CATV S1 S20 HYPER S21 S41 L L B C D FRANCE VHF 2 13 UHF 14 69 NTSC CATV 1 125 VHF Low 1 M10 JAPAN VHF High 4 S22 UHF S23 62 4 Input Voltage AC 100 240V 50Hz 60Hz 5 Market Worldwide 6 Picture Size 800 4 mm 31 51 inch LPL AUO 813 31 mm 32 02 inch CMO 32 7 Tuning System FVS 100 program PAL 200 PR Option FS NTSC 8 Operating Environment 1 Temp...

Page 7: ...r GND 8 LINE1 JAPAN Only 10 Line2 Ready 12 SWITCH GND 14 SWITCH 7 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 30W W Green Power off W 8 LCD Module Type Size LPL 760 x 450 x 48 CMO 760 x 460 x 47 53 mm H x V x D AUO 760 x 450 x 45 Pixel Pitch LPL 0 1702 x 0 5107 x RGB CMO 0 1730 x 0 5190 x RGB mm AUO 0 1702 x 0 ...

Page 8: ...640 0 640 Yr Typ 0 341 0 332 0 330 0 341 Green Xg Typ 0 287 0 269 0 270 0 287 Yg Typ 0 610 0 597 0 600 0 610 Blue Xb Typ 0 146 0 142 0 150 0 146 Yb Typ 0 069 0 066 0 060 0 069 4 Feature and Function No Item Specification Remark 1 Teletext TOP FLOF Top option 2 REMOCON NEC Code PAL NTSC 3 AV Input 1 Rear RT RM 4 S AV Input 1 Side 5 Component input 1 SideRZ HD 6 PERI TV Connector Half SCART 1 Rear R...

Page 9: ...9 1920x1080 31 25 28 125 50 00 HDTV 1080i 50Hz Only AU RT RZ 10 1920x1080 33 75 60 00 HDTV 1080i 60Hz ATSC RT RM RZ 11 1920x1080 33 72 59 94 HDTV 1080i 59 94Hz RT RM RZ No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed DVI PC Analog RGB Digital RGB 1 640x480 31 469 59 94 25 17 VESA VGA 2 800x600 37 879 60 31 40 00 VESA SVGA 3 1024x768 48 363 60 00 65 00 VESA XGA 4 1280x768 47 693 60 00 8...

Page 10: ...to the DVI I Jack of LCD TV 3 3 2 Auto Gain Offset Adjustment Input signal Level 730mV To use Pattern Generator MSPG925FS Apply Model 37 Patten 19 XGA 1024 X 768 60Hz white black top and bottom pattern signal Don t apply 16 gray signal Press IN START Key by using the Remote Controller SVC after converting to Adjustment Mode press VOL Key consecutively in Auto Gain Menu After adjustment is complete...

Page 11: ...color coordinates x 0 283 y 0 298 0 005 is operated by using CA 110 equipment If color coordinates is not in Spec adjust color coordinates x 0 283 y 0 298 0 005 by adjusting Red Gain Blue Gain All adjustment takes color coordinates with based on G changing R and B If it is not adjusted adjust with fixed B changing G and R 4 EDID The Extended Display Identification Data SETTING Connect D Sub to DVI...

Page 12: ...tion 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 Configure ...

Page 13: ...otel On 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 Option3 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...

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: ...ck 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 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: ...f TU1000 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: ...BLOCK DIAGRAM 20 ...

Page 21: ...it Scaler is reponsible for regulating the timing of signal to LCD panel and size and location of the signal Graphic control accepts the PC Analog RGB and DVI D Digital signal Scalar is reponsible for regulating the timing of signal to LCD panel and size and location of the signal Graphic control accepts the PC Analog RGB and DVI D Digital signal the signal of PC input is connected to analog port ...

Page 22: ...OARD 1 2 3 4 5 6 7 8 9 10 11 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 8 9 10 Wiring Part List 6631T11020A LPL 6631T11020B AUO 6631T20033F 6631T20032A 6631T25019K 6631T20033B 6631T20033C 6631T20033D 6631T20029Z 6631T20029Y 6631T20033E ...

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

Page 24: ...TST642C PWB PCB ASSEMBLY SUB 32LZ50 LED P SW TOTAL BRAND LF NT LOCAL 6871TST588E PWB PCB ASSEMBLY SUB RZ 30 32LZ50 IR SUB TOTAL BRAND LF 6871TVT370C PWB PCB ASSEMBLY VIDEO RM 32 26 23LZ50 SIDE A V SUB TOTAL BRAND LF 4951TKS170D METAL ASSEMBLY FRAME 32LZ50 SKD 6871TPT275E PWB PCB ASSEMBLY POWER RM 32LZ50 POWER TOTAL BRAND 26 32INCH PB FREE 33139P3010A MAIN TOTAL ASSEMBLY RZ 32LZ55 BRAND ML 041A CMO...

Page 25: ... 2012 R TP C508 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C509 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C51 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C510 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C511 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C512 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C513 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C514 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C517 0CH3104K566 0 1UF 50V 10 X7R 2012...

Page 26: ... R TP C869 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C870 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C90 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C908 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C909 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C910 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C911 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C912 0CH3104K566 0 1UF 50...

Page 27: ... TP C340 0CH6150K416 15PF 2012 50V 5 NP0 R TP C341 0CH6150K416 15PF 2012 50V 5 NP0 R TP DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C352 0CC270DK41A 27PF 2012 50V 5 NP0 R TP C354 0CH6471K416 470PF 2012 50V 5 NP0 R TP C355 0CH6471K416 470PF 2012 50V 5 NP0 R TP C43 0CH6102K406 1000PF 50V 5 SL 2012 R TP C46 0CH6102K406 1000PF 50V 5 SL 2012 R TP C50 0CH6102K406 1000PF 50V 5 SL 2012 R...

Page 28: ... MVK 35V 20 R TP SMD C502 0CH8476F691 47UF 16V 20 105STD CYL R C503 0CH8476F691 47UF 16V 20 105STD CYL R C52 0CE107WF6DC 100UF MVK 16V 20 R TP SMD DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C520 0CH8106F691 10UF 16V 20 105STD CYL R C525 0CH8106F691 10UF 16V 20 105STD CYL R C54 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C543 0CH8476F691 47UF 16V 20 105STD CYL R C55 0CE107WF6DC 100UF M...

Page 29: ...D1086DT18TR LF SGS THOMSON IC103 0ISS780800J KA78M08R 3P D PAK TP VOL R IC200 0ISA722200A LA7222 1280 AUDIO DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC2000 0ISTL00026A MC14066BDR2G LF ON SEMI 14P IC4000 0ISTLFA108A NC7SV125P5X FAIRCHILD 5P SC IC4003 0ISTLFA108A NC7SV125P5X FAIRCHILD 5P SC IC4004 0ISTLFA108A NC7SV125P5X FAIRCHILD 5P SC IC4006 0ISTL00021A SN74AHCT1G125DCKR LF TE...

Page 30: ... NO DESCRIPTION SPECIFICATION R1003 0RH8200D622 820 OHM 1 10 W 2012 5 00 R1004 0RH3000D622 300 OHM 1 10 W 2012 5 00 R1005 0RH0682D622 68 OHM 1 10 W 2012 5 00 R1010 0RH7501D622 7 5K OHM 1 10 W 2012 5 00 R1011 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1012 0RH7502D622 75K OHM 1 10 W 2012 5 00 R1014 0RH1000D622 100 OHM 1 10 W 2012 5 00 R1026 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R104 0RH1000D622 100 OHM 1...

Page 31: ...2K OHM 1 10 W 2012 5 00 R716 0RH0752D622 75 OHM 1 10 W 2012 5 00 DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R719 0RH1502D622 15K OHM 1 10 W 2012 5 00 R725 0RH1000D622 100 OHM 1 10 W 2012 5 00 R726 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R729 0RH1000D622 100 OHM 1 10 W 2012 5 00 R730 0RH1000D622 100 OHM 1 10 W 2012 5 00 R732 0RH1001D622 1K OHM 1 10 W 2012 5 00 R737 0RH4701D622 4 7K ...

Page 32: ... OHM 1 10 W 5 1608 R TP R317 0RJ2700D677 270 OHM 1 10 W 5 1608 R TP R319 0RJ2700D677 270 OHM 1 10 W 5 1608 R TP DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R321 0RJ2700D677 270 OHM 1 10 W 5 1608 R TP R323 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R326 0RJ6201D677 6 2K OHM 1 10 W 5 1608 R T R329 0RJ6201D677 6 2K OHM 1 10 W 5 1608 R T R34 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R35 0RJ00...

Page 33: ...0 0RJ0822D677 82 OHM 1 10 W 5 1608 R TP R913 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R914 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2005 09 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R915 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R916 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R917 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R918 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R919 0RJ1000D677 100 OHM 1 10 W 5 ...

Page 34: ... C D SW1705 140 313A TACT 2LEAD 100G TA LG C D SW1706 140 313A TACT 2LEAD 100G TA LG C D C1600 0CN1040K949 0 1UF D 50V 80 20 F Y5V L1600 0LA0102K119 10UH K 2 3 3 4 TP Q1601 0TR319809AA KTC3198 KTC1815 KEC TP TO9 Q1602 0TR319809AA KTC3198 KTC1815 KEC TP TO9 Q1603 0TR319809AA KTC3198 KTC1815 KEC TP TO9 R1600 0RD3301Q609 3 30K 1 4W 3 5 TA52 R1601 0RD2701Q609 2 7K OHM 1 4 W 3 4 5 00 T R1602 0RD2700Q60...

Page 35: ......

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Page 37: ...Sep 2005 Printed in Korea P NO 38289S0022E ...

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