LG RT-32LZ50 Скачать руководство пользователя страница 18 | Manualshive

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TROUBLESHOOTING

No power
(LED indicator off)

Check short of main B/D
or Change 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

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Содержание RT-32LZ50

Страница 1: ... CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041A MODEL RT 32LZ50 RT 32LZ50W website http biz LGservice com e mail http www LGEservice com techsup html To apply the Hotel Mode ...

Страница 2: ...PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 10 ADJUSTMENT INSTRUCTION 11 HOTEL MODE 15 TROUBLE SHOOTING 18 BLOCK DIAGRAM 23 WIRING DIAGRAM 25 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SVC SHEET ...

Страница 3: ...t 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 in...

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 5 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: ...0 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 ...

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: ...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 15: ... present source is TV When Channel Change is set to No Change Impossible Channel Key Numeral Key List Key Q View Key doesn t work and entering Channel Menu in the Main Menu OSD is impossible When Channel Change is set to Yes Change Possible Channel Key Numeral Key List Key Q View Key does work and entering Channel Menu in the Main Menu OSD is possible When Channel Change is set to No Change Imposs...

Страница 16: ...Fixed Volume is set to Yes Max Volume item cannot be selected When Max Volume is set volume just goes up to the Max Volume value in On Time Menu 1 6 OSD Display Decide to display OSD or not by setting OSD Display as Yes Mark or No No Mark When OSD Display is set to No No Mark just Channel OSD and STEREO OSD doesn t display 1 7 Remocon Remote Control Operation Decide to operate Remote Control or no...

Страница 17: ...rn off TV by Auto Off function of Time Menu This item decide to turn on TV by Auto Off Operation regardless of Auto off function of Time Menu or not by setting as Yes Work or No Do Not Work When Auto Off Operation is set to Yes Work Auto Off Operation work as configuration When Auto Off Operation is set to No Do Not Work Auto Off Operation Do Not work regardless of configuration 1 12 Hotel Mode Op...

Страница 18: ...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 19: ...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 20: ...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 21: ...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 22: ...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 23: ... Pr NT HD_Y Pb Pr 3 R L SIDE_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 PAL _ 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 LVDS or TTL OUT ...

Страница 24: ...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 scaler enables to adjust timing on the LCD panel as well as an adjustment of the size ...

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

Страница 27: ...871TST589A PWB PCB ASSEMBLY SUB 26LZ50 KEY SUB TOTAL BRAND KEY BOARD 6871TST642C PWB PCB ASSEMBLY SUB 32LZ50 LED P SW TOTAL BRAND LF 6871TST642B PWB PCB ASSEMBLY SUB RM 32LZ50 LED P SW TOTAL BRAND 6871TST588E PWB PCB ASSEMBLY SUB RZ 30 32LZ50 IR SUB TOTAL BRAND LF 6871TST588A PWB PCB ASSEMBLY SUB 30LZ50 IR SUB TOTAL BRAND IR BOARD 6871TVT370C PWB PCB ASSEMBLY VIDEO RM 32 26 23LZ50 SIDE A V SUB TOT...

Страница 28: ... 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 2012 50V 10 B Y5P C107 0CK225DFK4A 2 2UF 2012 16V 20 20 F Y5 C109 0CH3103K516 10000PF 50V 10 B Y5P 2012 C11 0CH3104K566 0 1UF 50V ...

Страница 29: ...F 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 DATE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C704 0CH3104...

Страница 30: ... 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 DATE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 C8 0CK104CK56A 0 1UF 1608 50V 10 R TP X...

Страница 31: ...TE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC754 0DRSE00018A SRV05 4 TC SEMTECH R TP SOT2 ZD1300 0DR340009AA MBRS340 TP FAIRCHILD NON 40V ZD1301 0DR340009AA MBRS340 TP FAIRCHILD NON 40V D107 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D711 0DD184009AA KDS184 TP KEC 85V 30 D102 0DS181009AA KDS181 TP KEC SOT 23 80V 3 D103 0DS181009AA KDS181 TP KEC SOT 23 80V 3 D104 0DZ620009HB UDZ S 6 2...

Страница 32: ...001G HH 1M3216 501 CERATEC 3216MM L601 6210TCE001G HH 1M3216 501 CERATEC 3216MM L602 6210TCE001G HH 1M3216 501 CERATEC 3216MM L701 6210TCE001G HH 1M3216 501 CERATEC 3216MM L800 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L850 6210TCE001G HH 1M3216 501 CERATEC 3216MM L900 6210TCE001G HH 1M3216 501 CERATEC 3216MM L901 6210TCE001G HH 1M3216 5...

Страница 33: ...ART NO DESCRIPTION SPECIFICATION R738 0RH4701D622 4 7K 1 10W 5 D R TP R755 0RH0102D622 10 1 10W 5 D R TP R756 0RH0102D622 10 1 10W 5 D R TP R802 0RH8200D622 820 1 10W 5 D R TP R805 0RH0752D622 75 1 10W 5 D R TP R806 0RH4700D622 470 1 10W 5 D R TP R809 0RH0102D622 10 1 10W 5 D R TP R83 0RH1000D622 100 1 10W 5 D R TP R85 0RH1000D622 100 1 10W 5 D R TP R850 0RH4701D622 4 7K 1 10W 5 D R TP R851 0RH470...

Страница 34: ...77 22K OHM 1 10 W 5 1608 R TP R124 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP DATE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 W 1 1608 R TP R1300 0RJ6801D477 6 8K OHM 1 10 W 1 1608 R TP R1302 0RJ2202D477 22K OHM 1 10 W 1 1608 R TP R1303 0RJ6801D477 6 8K OHM 1 10 W 1 16...

Страница 35: ... W 5 1608 R TP R68 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R70 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 10 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R701 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R702 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R706 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R71 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R711 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R717 0RJ1000D677 100 OH...

Страница 36: ...00VS0003A TAEW G051D LG INOTEK MULTI V Z1000 6200QL3002F X6966M EPCOS ST SIP5K 6200Q 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 140 313A TACT 2LE...

Страница 37: ......

Страница 38: ......

Страница 39: ...Jan 2005 Printed in Korea P NO 3828TSL108X ...

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