background image

- 25 -

DATE: 2005. 09.  23. 

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C719

0CH3104K566

0.1UF 50V 10% X7R 2012 R/TP

C720

0CH3104K566

0.1UF 50V 10% X7R 2012 R/TP

C740

0CH3103K516

10000PF 50V 10% B(Y5P) 2012

C744

0CH3104K566

0.1UF 50V 10% X7R 2012 R/TP

C145

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(

C202

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C203

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C206

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C207

0CK105CF94A

"1UF 1608 16V 80%,-20% R/TP"

C208

0CK105CF94A

"1UF 1608 16V 80%,-20% R/TP"

C210

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C214

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C218

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C221

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C222

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C223

0CK105CF94A

"1UF 1608 16V 80%,-20% R/TP"

C224

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C225

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C3015

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C3017

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C3019

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C302

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C303

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C3031

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C3032

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C3035

0CK225DH94A

"2.2UF 2012 25V 80%,-20% F(Y"

C3036

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C304

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C3040

0CK225DH94A

"2.2UF 2012 25V 80%,-20% F(Y"

C3042

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C3044

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C3050

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C3066

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C3067

0CK223CK51A

223 1608 50V 10% B(Y5P) R/T

C3068

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C3069

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C3070

0CK333CK56A

33000PF 1608 50V 10% R/TP X

C3085

0CK225DH94A

"2.2UF 2012 25V 80%,-20% F(Y"

C3086

0CK225DH94A

"2.2UF 2012 25V 80%,-20% F(Y"

C3090

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C3091

0CK474CH94A

"0.47UF 1608 25V 80%,-20% R/"

C312

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C320

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C345

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C352

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C354

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C355

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C356

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C357

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C369

0CK224CF56A

0.22UF 1608 16V 10% R/TP X7

C372

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C380

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C381

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C382

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C387

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C392

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C706

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(

C707

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(

C709

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(

C710

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(

C150

0CH6101K416

100PF 50V 5% NP0 2012 R/TP

C191

0CH6331K416

330PF 2012 50V 5% NP0 R/TP

DATE: 2005. 09.  23. 

*S

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C3012

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3014

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3024

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3028

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3033

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3043

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3045

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C3048

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C305

0CH6151K416

150PF 2012 50V 5% NP0 -

C3060

0CH2392K516

3900PF 50V 10% B(Y5P) 2012

C3062

0CH6470K416

47PF 2012 50V 5% NP0 R/TP

C329

0CH2334F566

0.33UF 16V 10% X7R 2012 R/T

C155

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C157

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C189

0CC271CK41A

270PF 1608 50V 5% R/TP NP0

C198

0CC271CK41A

270PF 1608 50V 5% R/TP NP0

C199

0CC271CK41A

270PF 1608 50V 5% R/TP NP0

C204

0CC221CK41A

220PF 1608 50V 5% R/TP NP0

C232

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C233

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C3030

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C3037

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C3049

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C3073

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C308

0CC150CK41A

15PF 1608 50V 5% R/TP NP0

C3080

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C3081

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C309

0CC150CK41A

15PF 1608 50V 5% R/TP NP0

C3100

0CC101CK41A

100PF 1608 50V 5% R/TP NP0

C3101

0CC270CK41A

27PF 1608 50V 5% R/TP NP0

C376

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C377

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C378

0CC470CK41A

47PF 1608 50V 5% R/TP NP0

C393

0CC100CK41A

10PF 1608 50V 5% R/TP NP0

C412

0CC102CK41A

1000PF 1608 50V 5% R/TP NP0

C731

0CC330CK41A

33PF 1608 50V 5% R/TP NP0

C732

0CC330CK41A

33PF 1608 50V 5% R/TP NP0

C733

0CC330CK41A

33PF 1608 50V 5% R/TP NP0

C734

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C134

0CE228ED618

"2200UF KMG,RD 10V 20% FL TA"

C146

0CE108EH618

1000UF KMG 25V 20% FL TP 5

C226

0CE477EH618

470UF KMG 25V 20% FL TP 5

C227

0CE477EH618

470UF KMG 25V 20% FL TP 5

C405

0CE477ED610

"470UF KMG,RD 10V 20% FL BUL"

C101

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C109

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C141

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C158

0CE105SK6DC

1UF MVG 50V 20% SMD R/TP

C175

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C194

0CH8106F691

10UF 16V 20% 105STD (CYL) R

C195

0CH8106F691

10UF 16V 20% 105STD (CYL) R

C196

0CH8106F691

10UF 16V 20% 105STD (CYL) R

C201

0CH8476H691

47UF 25V 20% 105STD (CYL) R

C220

0CE337SC6D8

"330UF MVG,MC,VC 6.3V 20% SM"

C3004

0CH8106F691

10UF 16V 20% 105STD (CYL) R

C3046

0CE475WJ6DC 4.7UF MVK 35V 20% R/TP(SMD)

C3071

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C3094

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C311

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C318

0CE105SK6DC

1UF MVG 50V 20% SMD R/TP

C321

0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD)

C323

0CH8106F691

10UF 16V 20% 105STD (CYL) R

Содержание 20LC1R-ZG

Страница 1: ...D TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CL 81 MODEL 20LC1R ZG website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...NTS CONTENTS 2 PRODUCT SAFETY 3 DISASSEMBLY 6 SPECIFICATION 7 ADJUSTMENT INSTRUCTION 12 SVC REMOCON 14 TROUBLE SHOOTING 15 BLOCK DIAGRAM 19 WIRING DIAGRAM 21 EXPLODED VIEW 22 REPLACEMENT PARTS LIST 24 SVC SHEET ...

Страница 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 ...

Страница 4: ...y 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 grounded ...

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: ... 6 DISASSEMBLY 1 2 Detached stand assy Remove the screws 3 Disassembly stand assy 4 Detached Backcover Remove the screw 5 Open the Backcover s latch with jig 6 Unlock latch between Cabinet and Backcover ...

Страница 7: ...ion No Item Specification Remark 1 TFT Color LCD Module 20 1 inches 510 54mm diagonal 0 2125mm H x0 6375mm V xRGB TTL 8BIT 16 777 216 colors 432 H x 331 5 V x 25 D Anti Glare Hard Coating 3H Normally Black 6 CCFL 6 lamps 25ms R T 12ms F T 13ms LPL NOTE Specifications and others are subject to change without notice for improvement No 1 Product Width W Lengh D Height H Dimension Before Packing 492 4...

Страница 8: ...3 0 343 0 359 0 313 0 328 0 304 0 316 No 1 2 3 4 5 Reference table Function No Item Specification Remark 1 Teletext TOP FLOF TOP option 2 REMOCON NEC Code PAL 3 AV Input 1 Rear 4 S Video Input 1 Rear 5 Component Input X 6 PERI TV Connector Full SCART 1 Rear 7 Ear phone output 1 8 2 Carrier Stereo BG DK 9 NICAM Stereo BG I LL 10 2 Carrier Daul BG DK 11 NICAM Daul BG I LL 12 DW Double Window Mode X ...

Страница 9: ... Program Manual Program Program Edit Favorite Program None 7 Picture PSM Dynamic CSM Normal Dynamic Contrast 100 Brightness 50 Colour 70 Sharpness 50 Tint 0 NTSC OPTION 8 Sound SSM Flat AVL Off Balance 0 9 Special Input TV Child Lock Off Power Indicator On Language English Area Management 10 Time Clock Off Time Off On Time Pr 1 Vol 30 Off Auto Sleep Off ...

Страница 10: ...Spectification 1 RED 3 Blue 5 S T GND 7 Green GND 9 N C 11 ID0 GND 13 H Sync 15 SCL 1 Contrast Brightness Colour Sharpness Tint 2 Power On Off Input select Menu OK Volume PR 2 Green 4 ID2 GND 6 RED GND 8 Blue GND 10 D GND 12 SDA 14 V Sync Shell GND Remark For SVC Only Video Active Off Power Consumption 65W 1W 110V 1W 220V 0W Item Specification Remark No LED Color BLUE ORANGE OFF ...

Страница 11: ...25 PAL I DIGITAL STEREO FLOF C 21 PR 38 855 25 PAL I DIGITAL MONO FLOF C 69 PR 39 687 25 NTSC M Crosshatch Circle MONO C 50 PR 40 200 25 SECAM L DIGITAL MONO C 08 PR 41 663 25 SECAM L DIGITAL NICAM DUAL C 45 PR 42 503 25 PAL B Crosshatch 16 9 MONO FLOF C 25 PR 43 687 25 NTSC M DEM Circle MONO C 50 PR 44 189 25 PAL B STEREO C 07 PR 45 327 25 PAL D A2 STEREO FLOF S 24 PR 46 615 25 PAL B NICAM STEREO...

Страница 12: ...m 3 Compare UOC version with version of hex file 4 Push Brouse button and select hex file 5 Push Auto Execute button 6 Occur an Error try again and again 2 5 3 1 2 ADC Process Board Adjustment line process 1 Auto Gain Offset Adjustment Convert to AV in Input Mode Signal equipment displays 0 7V 16 Step Gray pattern Model 202 Pattern 29 at MSPG925L Output Voltage 700 mVp p Impress Resolution 576i an...

Страница 13: ...uct spec C07 E07 Nicam DUAL Check C 52 E52 Nicam Stereo Check Preset CH information 3 2 5 Stand by operation confirmation Check if Power LED Color and Power Consumption operates as standard Measurement Condition 230V 50Hz Analog 3 3 Option configuration Press IN START Key by using the SVC Remote Controller and Press option value after then configure the option data that is written in the product s...

Страница 14: ...o move channel up down or to select a functiondisplayed on the screen 16 VOL To adjust the volume or accurately control a specific function 17 ENTER To set a specific function or complete setting 18 CH OP1 To use as a red key in the teletext mode 19 CH OP2 To use as a green key in the teletext mode 20 SWAP OP3 To use as a yellow key in the teletext mode 21 INPUT OP4 To use as a blue key in the tel...

Страница 15: ...off Check short of main B D or Change Lips Change U406 Change LED Assy Check 15V or 5V of Lips Check Output of U406 Check LED Assy Check J103 J125 J126 Connector Fail Fail Change Q402 Check Output of Q402 Fail Pass Fail Pass Pass Pass A Process ...

Страница 16: ...7 U409 Check inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Fail Change U401 U405 U407 U409 Fail Change U301 Fail Change inverter connector or inverter Fail Change panel link cable or module Fail Check panel link Cable or module Pass Pass Pass Pass Pass B Process ...

Страница 17: ...12 R194 R198 R184 Repeat A Process Check the output of TU701 Check the input output of U301 Check the input output of U101 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Check X301 Fail Re soldering or Change the defect part Check 5V 33V of TU701 Re soldering or Change the defect part Pass Pass Pass Pass ...

Страница 18: ...input Check the input source Fail Pass Re soldering or Change the defect part Check X301 Check the input output of U301 Fail Pass Re soldering or Change the defect part Check the input output of U201 Fail Pass Change speaker Check the speaker Fail Pass ...

Страница 19: ... 19 BLOCK DIAGRAM ...

Страница 20: ...l like Contrast Brightness Sharpness Color tint signals including Adaptive Comb Filter 2 Audio Decoder This block analyzes audio input signal through A V Jack and PC audio and Tuner IF The analyzed signals transmitted to audio amplifier On decoding We can control signal like Bass treble 3 IF Decoder This block can change IF signal to audio and video signal that transmitted to Video audio decoder 4...

Страница 21: ...21 WIRING DIAGRAM 5 3 4 6 6 2 6631900037A 50P LPL 6631900037B 50P AUO 6631T20037Q 3P 6631900024D 3P 6631T20034M 11P 6631T20029S 5P 6631900026A 4P 6631900026A 4P 1 INTERFACE BOARD Only 20LC1R _LPL Module ...

Страница 22: ... 22 EXPLODED VIEW 010 060 020 070 080 090 100 030 140 130 120 110 050 040 041 ...

Страница 23: ...LFP LED IR 68719ST798B PWB PCB ASSEMBLY SUB SUB T T CL81 2XLC1 SLEELFP CONTROL 49519S0001A METAL ASSEMBLY FRAME 20LC1 6871TPT319A PWB PCB ASSEMBLY POWER 6 LAMP TV MNT MFT POWER TOTAL BRAND 33139P2011C MAIN TOTAL ASSEMBLY 20LC1R ZG SLEELFP BRAND CL 81 4950TKA373A METAL SHIELD REAR AV 20LC1 6400GTTX02A SPEAKER FULLRANGE EF1527C 6428 6 TOPTONE FULL RANGE GENERAL 16OHM 5 7W 82DB OTHERS 40 70 210HZ 687...

Страница 24: ...0V 10 X7R 2012 R TP C3093 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C3102 0CK475DD57A 4 7UF 2012 10V 10 X5R R TP C313 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C317 0CH3682K516 6800PF 2012 50V 10 B Y5P C331 0CH3103K516 10000PF 50V 10 B Y5P 2012 C332 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C334 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C335 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C336 0CH3104K566 0 1UF 50V 10...

Страница 25: ...710 0CK103CK51A 0 01UF 1608 50V 10 R TP B C150 0CH6101K416 100PF 50V 5 NP0 2012 R TP C191 0CH6331K416 330PF 2012 50V 5 NP0 R TP DATE 2005 09 23 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C3012 0CH6470K416 47PF 2012 50V 5 NP0 R TP C3014 0CH6470K416 47PF 2012 50V 5 NP0 R TP C3024 0CH6470K416 47PF 2012 50V 5 NP0 R TP C3028 0CH6470K416 47PF 2012 50V 5 NP0 R TP C3033 0CH6470K416 47PF 2012 50V 5 NP0 ...

Страница 26: ...KE010A KIA7812AF KEC 2P DPACK R TP U402 0IRH033200A BA033FP E2 MOLD 3 TP REGULA DATE 2005 09 23 S AL LOC NO PART NO DESCRIPTION SPECIFICATION U404 0IRH033200A BA033FP E2 MOLD 3 TP REGULA U409 0ISS780500H KA78M05 R 3P D PAK TP 5V 0 U704 0ISS780500H KA78M05 R 3P D PAK TP 5V 0 U112 0ISTL00031A MC74HC4066ADR2G LF ON SEMI L201 61409B0002A DBF 1030S DONGBANG 30UH 15 L202 61409B0002A DBF 1030S DONGBANG 3...

Страница 27: ...10 W 2012 5 00 R151 0RH1001D622 1K OHM 1 10 W 2012 5 00 DATE 2005 09 23 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R177 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R178 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R182 0RH1200D622 120 OHM 1 10 W 2012 5 00 R183 0RH1002D622 10K OHM 1 10 W 2012 5 00 R184 0RH0752D622 75 OHM 1 10 W 2012 5 00 R191 0RH0752D622 75 OHM 1 10 W 2012 5 00 R194 0RH0222D622 22 OHM 1 10 W 2...

Страница 28: ...TP R204 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R208 0RJ1203D677 120K OHM 1 10 W 5 1608 R T R215 0RJ1802D677 18K OHM 1 10 W 5 1608 R TP DATE 2005 09 23 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R234 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R250 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T R253 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R254 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R301 0RJ1000D677 100 OHM 1 10 W...

Страница 29: ...1 SW507 140 058B EVQ PB2 05K MATUSHITA NON 1 SW508 140 058B EVQ PB2 05K MATUSHITA NON 1 ZD502 0DZ560009CF MTZJ5 6B TP ROHM K DO34 0 5 ZD505 0DZ560009CF MTZJ5 6B TP ROHM K DO34 0 5 ZD504 0DZ560009CF MTZJ5 6B TP ROHM K DO34 0 5 U501 6712SCA232A TSOP34838SO1 VISHAY 38KHZ L LED551 0DLBE0048AA BRIGHT LED ELECTRONICS BL H LED552 0DLBE0048AA BRIGHT LED ELECTRONICS BL H Q551 0TR390409AE FAIRCHILD KST3904 ...

Страница 30: ... 30 ...

Страница 31: ... 31 ...

Страница 32: ... 32 ...

Страница 33: ... 33 ...

Страница 34: ... 34 ...

Страница 35: ...Aug 2005 Printed in Korea P NO 38289S0022C ...

Отзывы: