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LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : ML-041B

MODEL : RT-17LZ50

website:http://biz.LGservice.com

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

Содержание RT-17LZ50

Страница 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041B MODEL RT 17LZ50 website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...ENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 TIMING CHART 11 ADJUSTMENT INSTRUCTION 12 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: ...ay Area Pixel Pitch mm Electrical Interface Color Depth Size mm Surface Treatment Operating Mode Back light Unit R T Typ Maker Type ActiveDisplay Area Pixel Pitch mm Electrical Interface Color Depth Size mm Surface Treatment Operating Mode Back light Unit R T Typ LPL TFT Color LCD Module 17 0 inches 380 16mm diagonal Aspect 4 3 0 291mm H x0 291mm V xRGB LVDS 6BIT WITH FRC 16 777 216 colors 400 H x...

Страница 7: ...2 1 1 NO 1 1 1 YES YES BG DK BG I LL BG DK BG I LL X X X X X X X X X O X X X Item Specification Remark No TTop option PAL NTSC Rear option NT side Only 50Tool Rear Rear option NT Rear option EU D sub 15 pin Rear Option Commercial Mode 5 Optical Character Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typical MAX MIN ALL white All back Min Typ 0 03 Max ...

Страница 8: ...CAM 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 69 CATV 1 125 VHF Low 1 M10 VHF High 4 S22 UHF S23 62 AC 100 240V 50Hz 60HZ FVS 100 program FS 1 Temp 0 40 deg 2 Humidity 85 3 Temp 20 60 deg 4 Humidity 85 Item Specification Remark No EU Non EU RZ RT PAL Market 7 NTSC Area RM PAL FRANCE NTSC JAPAN PAL ...

Страница 9: ...GND 12 SDA 14 V Sync Shell GND Remark 10 Digital GND Middle east NTSC Area JAPAN Only Video Active Off Power Consumption 651W 1W 1W 1W 0W PBP SWAP ON OFF Item Specification Remark No LED Color GREEN LED OFF 6 2 Power NO 1 2 3 4 5 6 7 8 9 10 11 AC Power Shut Down Voltage DC Voltage Inverter DC Voltage LCD Panel DC Voltage Audio DC Voltage Tuner 5 DC Voltage Tuner 9 DC Voltage Tuning 31 DC Voltage V...

Страница 10: ... 768 60 1648 400 136 NEG 200 64 47 693 80 125 795 27 7 POS 19 1 XGA 85 X 1024 768 85 1376 352 96 POS 208 48 68 677 84 997 808 40 3 POS 36 1 7 Signal Timing Resolution 7 1 PC Mode Table 7 Timming chart of Receivable Mode H dot V line 6 3 External Interface NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Video Input Level Audio Input Level Audio Input Frequency Response Audio Input S N Audio Inpu...

Страница 11: ...0 V 75 0 625 600 1 3 21 H 49 725 1152 832 32 64 224 V 74 55 667 624 1 3 39 H 48 363 1344 1024 24 136 160 V 60 004 806 768 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 H 60 091 1712 1280 80 136 216 V 74 926 802 768 1 7 26 Mode H V Sort 1 2 3 4 5 6 7 8 9 10 11 25 175 28 324 25 175 31 5 40 0 49 5 57 283 65 0 78 75 79 50 102 875 640x...

Страница 12: ...ing enter key stores and completes process 2 2 3 PC Mode adjustment 2 2 3 1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes Connect the Pattern Generator to 15 Pin D Sub Jack of LCD TV 2 2 3 2 Auto Gain Offset adjustment Convert the input mode to PC input Using the Pattern Generator 801GF VG819 adjust XGA 1024 X 768 for resolution and 16 Step Gray signals for...

Страница 13: ... Yes China Australia Option 1 Option 2 NO ITEM CONDITION REMARK 1 2 3 4 Language Txt Lang Inch opt Panel 1 0 2 7 0 Eng Only 1 English German French Italian Spanish Dutch Swedish Norwegian Da nish Finnish Portugues e Rumanian Polish Hng arian Czech Russian 2 English German French Italian Spanish Dutch Swedish Norwegian Da nish Finnish Portugues e Rumanian Polish Hng arian Czech Russian 3 Eng Chines...

Страница 14: ...ck Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button 220 IBM Compatible PC Video Signal Generator PARALLEL PORT Power inlet required Power LED ST Switch Power Select Switch 110V 220V Control Line N o t u s e d R S 2 3 2 C P A R A L L E L V S Y N C P O W E R S T VGS MONIT OR ...

Страница 15: ...k 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 and sub scr...

Страница 16: ...ck short of main B D or Change Lips Change IC1107 IC1104 Change LED Assy Check 15V or 5V of Lips Check Output of IC1107 IC104 Check LED Assy Check P1100 P210 Connector Fail Fail Change Q1100 Check Output of Q1100 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: ...ss 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 Check X11 Fail Re soldering or Change the defect part Check X900 Fail Pass Pass Pass Check the input output of IC800 IC851 Re soldering or Change the defect part Fail Pass ...

Страница 19: ...the input output of IC1 Check the input output of IC800 IC851 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Chek X11 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 Fail Re soldering or Change the defect part Check X900 Pass Pass ...

Страница 20: ...ut Check the input source Fail Pass Re soldering or Change the defect part Check X11 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: ...IC851 LA7222 IC2 TC90A65F IC500 14066 IC202 D SUB AT24C16 IC4 DIGITAL SIGNAL SOUND INPUT IF INPUT ANALOG SIGNAL SOUND OUTPUT ML 041B Block Diagram POWER IF PC SIDE_AV L R SIDE_L R PC L R L R AUDIO S A W Z1000 SCART V L R S VHS H P V SCART R G B SIDE V Y P b P r RGB OUT TTL 1 OUT TTL 2 OUT LVDS 1 O UT PC RGB COMPONENT ...

Страница 22: ...ent to the LCD module as a TTL output VCTi is the main microprocessor 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 input signal 2 Power Supply Unit The power supply unit provides 15V and 5V DC power to the mainboard The...

Страница 23: ...FC 45MM 17LZ50 ONLY 6P_2 0MM H B 600MM 3P_2 5MM H B 220MM 1 20P LVDS 200MM 2 41P TTL 3 50P TTL 145MM 4P_2 5MM SHIELD RECEPTERCLE GND 2PIN 4PIN 500MM 750MM 1 4 5 3 2 7 6 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 Wiring Part List 6631T25019Y 6631T11012R 6631T20028G 6631T20029X 6631T25021C 6631T11017R 6631T220033L ...

Страница 24: ... 24 EXPLODED VIEW 1 2 3 4 5 5 6 9 10 11 13 12 15 14 8 7 ...

Страница 25: ...B OTHERS 40 70MM TRACK TYPE 6 6871TST618A PWB PCB ASSEMBLY SUB RZ 17LZ50 ML 041B SUB TOTAL BRAND SIDE_AV ASSY 7 6871TST616A PWB PCB ASSEMBLY SUB RZ 17LZ50 ML 041B CONTROL TOTAL BRAND CONTROL BOARD ASSY 8 6871TST617A PWB PCB ASSEMBLY SUB RZ 17LZ50 ML 041B SUB TOTAL BRAND IR B D ASSY 9 4951TKS154B METAL ASSEMBLY FRAME ML 041B 17LZ50 4951TKS154C METAL ASSEMBLY FRAME ML 041B RZ 17LZ50 C AKD 10 6871TPT...

Страница 26: ...N C934 0CH3104K946 100000PF 50V Z F 2012 R TP C935 0CH3104K946 100000PF 50V Z F 2012 R TP C936 0CH3104K946 100000PF 50V Z F 2012 R TP C937 0CH3104K946 100000PF 50V Z F 2012 R TP C938 0CH3104K946 100000PF 50V Z F 2012 R TP C939 0CH3104K946 100000PF 50V Z F 2012 R TP C940 0CH3104K946 100000PF 50V Z F 2012 R TP C943 0CH3104K946 100000PF 50V Z F 2012 R TP C944 0CH3104K946 100000PF 50V Z F 2012 R TP C9...

Страница 27: ...00PF 1608 50V 5 R TP NP0 C56 0CC221CK41A 220PF 1608 50V 5 R TP NP0 C57 0CC221CK41A 220PF 1608 50V 5 R TP NP0 DATE 2004 06 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C58 0CC221CK41A 220PF 1608 50V 5 R TP NP0 C74 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C83 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C85 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C86 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C88 0CC390CK41A...

Страница 28: ...01G HH 1M3216 501 CERATEC 3216MM L903 6210TCE001G HH 1M3216 501 CERATEC 3216MM L905 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1102 6210TCE001G HH 1M3216 501 CERATEC 3216MM L205 6210TCE001A HB 1S2012 080JT CERATEC 2012M L800 6210TCE001G HH 1M3216 501 CERATEC 3216MM L906 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2004 06 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L908 6210TCE001G HH 1M3216...

Страница 29: ...21 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R224 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 06 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R225 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R226 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R23 0RJ2701D677 2 7K OHM 1 10 W 5 1608 R TP R230 0RJ7502D677 75K OHM 1 10 W 5 1608 R TP R24 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R240 0RJ1000D677 100 OHM 1 10 W 5...

Страница 30: ... 2012 R TP L2303 0LC1032101A 10UH 10 3216 R TC FI C3216 1 L2304 0LC1032101A 10UH 10 3216 R TC FI C3216 1 L2306 0LC0233002A 3 3UH CERATECH R TP R2304 0RH0752D622 75 1 10W 5 D R TP R2305 0RH4703D622 470K 1 10W 5 D R TP R2306 0RH4703D622 470K 1 10W 5 D R TP R2308 0RH5101D622 5 1K 1 10W 5 D R TP R2309 0RH5101D622 5 1K 1 10W 5 D R TP R2310 0RH0752D622 75 1 10W 5 D R TP ZD2303 0DZ620009HB UDZ S 6 2B TP ...

Страница 31: ...0233002A 3 3UH CERATECH R TP R1226 0RH0472D622 47 1 10W 5 D R TP R1227 0RH0752D622 75 1 10W 5 D R TP R1228 0RH0752D622 75 1 10W 5 D R TP R1229 0RH0752D622 75 1 10W 5 D R TP ZD1210 0DZ620009HB UDZ S 6 2B TP ROHM SOD323 200 ZD1211 0DZ620009HB UDZ S 6 2B TP ROHM SOD323 200 31 ...

Страница 32: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 33: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 34: ...Aug 2004 Printed in Korea P NO 3828TSL104K ...

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