LG RM-20LA70 страница 23 Скачать руководство пользователя

Страница: 23 / 29

- 23 -

DATE: 2004. 06.16.

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C115

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C116

0CK562CK51A

5600PF 1608 50V 10% R/TP B(Y5

C117

0CK562CK51A

5600PF 1608 50V 10% R/TP B(Y5

C118

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C12

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C125

0CK105EK56A

1UF 3216 50V 10% X7R R/TP

C126

0CK105EK56A

1UF 3216 50V 10% X7R R/TP

C200

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C22

0CK822CK56A

8200PF 1608 50V 10% X7R R/TP

C23

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C24

0CK822CK56A

8200PF 1608 50V 10% X7R R/TP

C25

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C26

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C27

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C28

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C29

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C30

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C31

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C32

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C33

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C34

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C35

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C37

0CK334CF94A

"0.33UF 1608 16V 80%,-20% F(Y5"

C40

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C42

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C45

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C52

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C67

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C75

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C800

0CK105CF94A

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

C801

0CK105CF94A

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

C802

0CK105CF94A

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

C807

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C811

0CK105CF94A

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

C816

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C82

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C861

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C865

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C901

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y5

C903

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y5

C904

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y5

C905

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y5

C906

0CK103CK51A

0.01UF 1608 50V 10% R/TP B(Y5

C911

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C912

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C913

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C914

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C915

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C916

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C918

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C919

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C921

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C922

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

C961

0CK104CK56A

0.1UF 1608 50V 10% R/TP X7R

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

C47

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C48

0CC220CK41A

22PF 1608 50V 5% R/TP NP0

C53

0CC102CK41A

1000PF 1608 50V 5% R/TP NP0

C56

0CC221CK41A

220PF 1608 50V 5% R/TP NP0

DATE: 2004. 06.16.

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C57

0CC221CK41A

220PF 1608 50V 5% R/TP NP0

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

39PF 1608 50V 5% R/TP NP0

C89

0CC390CK41A

39PF 1608 50V 5% R/TP NP0

C108

0CE476VH6DC

47UF MV 25V 20% R/TP(SMD) SMD

C1102

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

C1103

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

C1105

0CH8476F691

47UF 16V 20% 105STD (CYL) R/T

C1106

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

C1109

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

C111

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

C1118

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

C112

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

C1124

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

C1130

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

C1132

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

C1134

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

C1135

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

C119

0CH8106F691

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

C120

0CH8106F691

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

C17

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

C55

0CE475VK6DC

4.7UF MV 50V 20% R/TP(SMD) SM

C60

0CE475VK6DC

4.7UF MV 50V 20% R/TP(SMD) SM

C852

0CH8476F691

47UF 16V 20% 105STD (CYL) R/T

C856

0CH8476F691

47UF 16V 20% 105STD (CYL) R/T

C859

0CH8476F691

47UF 16V 20% 105STD (CYL) R/T

C87

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

C876

0CH8106F691

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

D100

0DRFC00288A

SS14 FAIR CHILD R/TP SMA 20-1

D101

0DRFC00288A

SS14 FAIR CHILD R/TP SMA 20-1

D1150

0DRGS00199A

UF4001 GENERAL SEMICONDUCTOR

D102

0DS181009AA

KDS181 TP KEC SOT-23 80V 30

D103

0DS181009AA

KDS181 TP KEC SOT-23 80V 30

D107

0DS226009AA

KDS226 TP KEC SOT-23 80V 300

ZD104

0DZ620009HB

UDZ S 6.2B TP ROHM SOD323 200

ZD105

0DZ620009HB

UDZ S 6.2B TP ROHM SOD323 200

ZD207

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD208

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD200

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD201

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD202

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD203

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD204

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD205

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

ZD206

0DZ510009EE

UDZ S 5.1B TP ROHM-K SOD323 2

D1151

0DZ330009DF

MTZJ33B TP ROHM-K DO34 0.5W 3

IC905

0IZZTSA002A

ML-041B VGA NT ATMEL 32P PLCC

IC3

0IKE702700D

"KIA7027AF 3, SOT-89 TP RESET"

IC200

0IMMRSG036A

"M24C02-WMN6T SGS-THOMSON 8P,S"

IC4

0IMCRAL006A

AT24C16AN-10SI-2.7 ATMEL 8P S

IC903

0IMCRAL006A

AT24C16AN-10SI-2.7 ATMEL 8P S

DIODEs

Содержание RM-20LA70

Страница 1: ...G THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 041B MODEL RM 20LA70 RM 20LA70 Rev A website http biz LGservice com e mail http www LGEservice com techsup html ID LABEL Model No Same looking with new chassis Issue Date 2004 06 ...

Страница 2: ...TS 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: ...ely 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 grounde...

Страница 5: ...t 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 board...

Страница 6: ...ical 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 3H ...

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: ...3 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 Activ...

Страница 9: ...on 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 1...

Страница 10: ...ress 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 the ...

Страница 11: ...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 scree...

Страница 12: ... 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: ...eck 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: ... 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: ...e 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: ... 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: ...851 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: ...nt 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: ...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 6 7 5 2 3 4 8 9 P904 P902 P901 WIRING DIAGRAM No Part No 1 2 3 4 5 6 7 8 Wiring Part List 6631T25019Y 6631T11017P CMO 6631T11017Q AUO 6631T11021A 6631T11012R 6631T20028G 6631T20029X 6631T25021A 6620K00007C or 6620K00007A ...

Страница 20: ...EXPLODED VIEW 1 2 3 5 5 6 8 7 4 10 9 11 13 14 12 15 16 17 18 19 20 22 21 ...

Страница 21: ...9 3313TP2019A MAIN TOTAL ASSEMBLY RM 20LA77 BRAND ML 041B 10 6871TPT280A PWB PCB ASSEMBLY POWER RM 20LA77 POWER TOTAL LIEN CHANG LIPS FOR CMO AUO 11 6871TST561A PWB PCB ASSEMBLY SUB RM 20LA70 ML 041B SUB TOTAL BRAND JACK DVD BOARD ASSY 12 4951TKK186A METAL ASSEMBLY SHIELD REAR RM 20LA77 13 4950TKK916A METAL PLATE 15 20LA70 REAR A V B T 14 4810V00925B BRACKET REAR AV RZ 15LA70 ML024E HIPS 15 5020V0...

Страница 22: ...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 0CH3104K946 100000PF 50V Z F 2012 R TP C944...

Страница 23: ...P NP0 C47 0CC220CK41A 22PF 1608 50V 5 R TP NP0 C48 0CC220CK41A 22PF 1608 50V 5 R TP NP0 C53 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C56 0CC221CK41A 220PF 1608 50V 5 R TP NP0 DATE 2004 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C57 0CC221CK41A 220PF 1608 50V 5 R TP NP0 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...

Страница 24: ... Q603 0TR387500AA CHIP 2SC3875S ALY BK KEC Q100 0TR387500AA CHIP 2SC3875S ALY BK KEC Q1000 0TR388109AA KTC3881 CHIP TP KEC Q101 0TR150400BA CHIP 2SA1504S ASY BK KEC Q1100 0TR387500AA CHIP 2SC3875S ALY BK KEC Q1151 0TR387500AA CHIP 2SC3875S ALY BK KEC DATE 2004 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q12 0TR150400BA CHIP 2SA1504S ASY BK KEC Q13 0TR150400BA CHIP 2SA1504S ASY BK KEC Q14 0...

Страница 25: ...77 100 OHM 1 10 W 5 1608 R TP R50 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R51 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2004 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 1608 R TP R56 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R58 0RJ...

Страница 26: ...0V J NP0 2012 R TP C1220 0CH6331K416 330PF 50V J NP0 2012 R TP C1215 0CH3103K516 10000PF 50V 10 B Y5P 2012 R C1216 0CH3103K516 10000PF 50V 10 B Y5P 2012 R L1206 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1207 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1208 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1211 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1213 6210TCE001A HB 1S2012 080JT CERATEC 2012M L1214...

Страница 27: ......

Страница 28: ......

Страница 29: ...Jun 2004 Printed in Korea P NO 3828TSL103N ...

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