LG RM-20LA66K Скачать руководство пользователя

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EXPLODED VIEW PARTS LIST

No.

PART NO.

DESCRIPTION

3091TKD004C

CABINET ASSEMBLY, RM-20LA62 BRAND 3090V00442 ML041B(N_AMERICA)NO INDEX

3091TKD004L

CABINET ASSEMBLY, RM-20LA66K BRAND 3090V00442 N_AMERICA, C/SKD OF 3091TKD004C

6304FLP171A

LCD(LIQUID CRYSTAL DISPLAY), LC201V02-A3K7 LG PHILPS TFT COLOR VGA, 450NIT, 25MS, POL CHANGE

or 6304FLP139A

LCD(LIQUID CRYSTAL DISPLAY), LC201V02-A3K3 LG PHILPS TFT COLOR 20.1" VGA,IPS,450NITS,LVDS

or 6304FLP188A

LCD(LIQUID CRYSTAL DISPLAY), LC201V02-A3KA LG PHILPS TFT COLOR PB FREE MODULE , SS D-IC

6304FLP188A

LCD(LIQUID CRYSTAL DISPLAY), LC201V02-A3KA LG PHILPS TFT COLOR PB FREE MODULE , SS D-IC

3809TKD003W

BACK COVER ASSEMBLY, RM-20LA66K 3808V00366 FOR N.AMERICA, N/BLACK

3809TKD003V

BACK COVER ASSEMBLY, RM-20LA66K 3808V00366 FOR N.AMERICA, N/B, CSKD OF 3809TKD003H

3043TKK176E

TILT SWIVEL ASSEMBLY, RM-20LA62 . N/BLACK(N_AMERICA)

3043TKK176F

TILT SWIVEL ASSEMBLY, RZ-20LA61 . N/BLACK SKD

6400GKTX01C

SPEAKER,FULLRANGE, F1527C-6428-4 K-TONE FULL-RANGE(GENERAL) 4 OHM 7/12W 85DB OTHERS 40*70MM TRACK TYPE

6871TST633A

PWB(PCB) ASSEMBLY,SUB, RM-15LA66 SUB TOTAL BRAND CONTROL BOARD

6871TST977A

PWB(PCB) ASSEMBLY,SUB, RM/RT/RZ-15/20LA66 CONTROL BOARD CONTROL TOTAL BRAND (MAIN ML-041B) LF

6871TST679A

PWB(PCB) ASSEMBLY,SUB, RZ-20LA66_CMO SUB TOTAL BRAND IR B/D ML-041B

6871TST973A

PWB(PCB) ASSEMBLY,SUB, RM/RT/RZ-20LA66 IR BOARD LED & P/SW TOTAL BRAND (MAIN ML-041B) LF

4950TKS279B

METAL, FRAME SBHG1-A FOR LPL MODULE

4950TKS279E

METAL, FRAME FOR LPL MODULE, CKD

3313TN2026A

MAIN TOTAL ASSEMBLY, RM-20LA70 LPL BRAND ML-041B MAIN

6871TPT280K

PWB(PCB) ASSEMBLY,POWER, RM(RZ)20LA70(77,50,90) POWER TOTAL LIEN CHANG LIPS FOR LPL 20.1 PB FREE

or 6871TPT280B

PWB(PCB) ASSEMBLY,POWER, RM-20LA77 POWER TOTAL LIEN CHANG LIPS FOR LPL

4951TKK186K

METAL ASSEMBLY, SHIELD METAL (LPL IPS MODULE) 20LA66/70/90

4951TKK186L

METAL ASSEMBLY, SHIELD METAL (LPL IPS MODULE) C/SKD 20LA90

6871TST561A

PWB(PCB) ASSEMBLY,SUB, RM-20LA70 ML041B SUB TOTAL BRAND JACK(DVD) BOARD ASSY

6871TST964A

PWB(PCB) ASSEMBLY,SUB, RM/RT-15,17,20 DVD JACK BOARD VIDEO TOTAL BRAND ML-041B LF

3551TKK526K

COVER ASSEMBLY, RT-20LA66 REAR A/V ML041B

4810V00925G

BRACKET, REAR AV RZ-15LA66 ML024E HIPS 407AF 70B SPRAY

4950TKK916A

METAL, PLATE 15,20LA70 REAR A/V PHONE

5020V00776C

BUTTON, CONTROL RU-20LA61 ABS, HF-380 8KEY .

3550V00297B

COVER, REAR AV RU-20LA60 ABS, HF-380 .

010

020

030

040

050

060

070

080

090

100

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130

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160

170

Содержание RM-20LA66K

Страница 1: ...TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041B MODEL RM 20LA66K website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...NTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 12 BLOCK DIAGRAM 17 WIRING DIAGRAM 19 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 REPLACEMENT PARTS LIST 22 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: ...trical 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 20 1 inches 380 16mm diagonal Aspect 4 3 0 6375mm H x0 6375mm V xRGB TTL 8BIT 16 777 216 colors 450 H x 348 7 V x20 D Glare Hard Coating 3...

Страница 7: ...1 1 NO NO BG DK BG I LL BG DK BG I LL X X O X O X X X X O O X X Item Specification Remark No Top option PAL NTSC Rear Rear Rear option NT Rear option EU Rear 5 Optical Character Item Remark Specification Viewing Angle CR 10 Luminance Contrast Ratio CIE Color Coordinates Typical MAX MIN ALL white All black R L U D Luminance cd Variation LPL 85 85 85 85 400 1 3 400 0 289 0 335 0 692 0 335 0 289 0 58...

Страница 8: ... 13 H Sync 15 SCL 1 Contrast Brightness 2 H Position V Position 3 Tracking Clock Phase 4 Auto Configure RESET 1 Y 3 Pb 5 Pr 1 Y GND 2 Pb 5 Pr 7 LINE1 Ready 9 Line2 11 Line3 13 Line3 ready 2 Green 4 ID2 GND 6 RED GND 8 Blue GND 10 D GND 12 SDA 14 V Sync Shell GND 2 Y GND 4 Pb GND 6 Pr GND 8 LINE1 10 Line2 Ready 12 SWITCH GND 14 SWITCH Remark 10 Digital GND Middle east NTSC Area JAPAN Only Video Act...

Страница 9: ...ion Audio Input Dynamic Range Video Output Level Video Output Frequency Response Video Output S N Audio Output Level Audio Output Frequency Response Audio Output S N Audio Output Distortion Video Input Level R G B Video Input Level Component Y PB PR RGB Input Resolution Vertical RGB Input Resolution Horizontal RGB Input Horizontal Frequency RGB Input Frame Rate 0 85 0 4 0 1 40 2 0 85 3 8 40 0 4 0 ...

Страница 10: ... press IN START Key twice Once the adjustment is completed press the Enter Key to save and finish the adjustment 2 2 2 Component Mode adjustment 2 2 2 1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes Connect the Pattern Generator to the Component Jack Y Pb Pr of LCD TV 2 2 2 2 Auto Gain Offset adjustment Convert the input mode to the component input Using th...

Страница 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 18: ...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 19: ...R SPEAKER LOCAL KEY IR_LED 1 4 5 3 2 6 7 8 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 8 Wiring Part List 6631T25019Y 6631T11021A 6631T20028G 6631T20033G 6631T25021A 6620K00007C or 6620K00007A 6631T11017R 6631T25023B ...

Страница 20: ... 20 EXPLODED VIEW 010 050 050 060 070 020 080 120 130 090 100 110 150 140 030 170 160 040 ...

Страница 21: ...TROL BOARD 6871TST977A PWB PCB ASSEMBLY SUB RM RT RZ 15 20LA66 CONTROL BOARD CONTROL TOTAL BRAND MAIN ML 041B LF 6871TST679A PWB PCB ASSEMBLY SUB RZ 20LA66_CMO SUB TOTAL BRAND IR B D ML 041B 6871TST973A PWB PCB ASSEMBLY SUB RM RT RZ 20LA66 IR BOARD LED P SW TOTAL BRAND MAIN ML 041B LF 4950TKS279B METAL FRAME SBHG1 A FOR LPL MODULE 4950TKS279E METAL FRAME FOR LPL MODULE CKD 3313TN2026A MAIN TOTAL A...

Страница 22: ...H3104K946 100000PF 50V Z F 2012 R TP C930 0CH3104K946 100000PF 50V Z F 2012 R TP 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 0CH310...

Страница 23: ...K104CK56A 0 1UF 1608 50V 10 R TP X7R C961 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1015 0CH5390K416 39PF 50V 5 NP0 2012 R TP C1016 0CH5390K416 39PF 50V 5 NP0 2012 R TP DATE 2005 01 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C955 0CH5390K416 39PF 50V 5 NP0 2012 R TP C121 0CC100CK41A 10PF 1608 50V 5 R TP NP0 C122 0CC100CK41A 10PF 1608 50V 5 R TP NP0 C43 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C4...

Страница 24: ... TC FI C3216 L8 0LC1032101A 10UH 10 3216 R TC FI C3216 IC902 0TF492509AA SI4925DY TP TEMIC 30V 6 1A IC1107 0TF492509AA SI4925DY TP TEMIC 30V 6 1A Q1150 0TR322809AB KTC3228 Y KTC2383 TP KEC TO DATE 2005 01 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q1 0TR387500AA CHIP 2SC3875S ALY BK KEC Q603 0TR387500AA CHIP 2SC3875S ALY BK KEC Q900 0TR387500AA CHIP 2SC3875S ALY BK KEC Q100 0TR387500AA CHIP ...

Страница 25: ...R TP R45 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R46 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP DATE 2005 01 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R50 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R51 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R52 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R53 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R54 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R55 0RJ1500D677 150 OHM 1 10 W 5 ...

Страница 26: ...01A HB 1S2012 080JT CERATEC 2012 L1212 0LC0233002A 3 3UH CERATECH R TP L1213 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1214 6210TCE001A HB 1S2012 080JT CERATEC 2012 L1215 6210TCE001A HB 1S2012 080JT CERATEC 2012 R1201 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1202 0RH0752D622 75 1 10W 5 D R TP DATE 2005 01 28 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1217 0RH0752D622 75 1 10W 5 D R TP R1218 0RH07...

Страница 27: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 28: ...Date 2004 05 07 P No 3854TN1001A ...

Страница 29: ...Jan 2005 Printed in Korea P NO 3828TSL108Z ...

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