LG 42LC2D Series Скачать руководство пользователя страница 19 | Manualshive

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(7) Abnormal display in RGB DTV mode

(8) Abnormal display in RGB PC mode

(8) Abnormal display in DVI mode

Is normal the IC101

CXA2181Q?

Yes

Is normal the IC306

MST9883C?

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC101

No

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC306

No

Is normal the

M52758?

Yes

Is normal IC400 the

Scaler?

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC306

No

Is normal IC400 the

Scaler?

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC400

No

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC400

No

Yes

Is normal IC400 the

Scaler?

Are the Input voltage, IIC

Comm. and HV sync good?

No

Replace IC400

No

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Содержание 42LC2D Series

Страница 1: ...ICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA51D FACTORY NAME 42LC2D UD MODEL 42LC2D website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ... 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 15 BLOCK DIAGRAM 22 WIRING DIAGRAM 23 EXPLODED VIEW 24 REPLACEMENT PARTS LIST 28 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: ...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: ... sheet is applied all of the 42 LCD TV with LA51D chassis 1 2 Not included spec and each product spec in this spec sheet apply correspondingly to the following each country standard and requirement of Buyer 2 Specification Each part is tested as below without special appointment 2 1 Temperature 20 5 C 2 2 Relative Humidity 65 10 2 3 Power Voltage Standard input voltage 110 240V 50 60Hz Standard Vo...

Страница 7: ...Warm 5 500 6 500 7 500 pattern 6th bar from right 7 Color Distortion DG 8 Color Distortion DP deg 9 Color S N AM FM dB 7 Component Video Input Y CB PB CR PR No Specification Proposed Resolution H freq kHz V freq Hz Pixel clock 1 720x480 15 73 60 SDTV DVD 480I 2 720x480 15 73 59 94 SDTV DVD 480I 3 720x480 31 50 60 SDTV 480P 4 720x480 31 47 59 94 SDTV 480P 5 1280x720 45 00 60 00 HDTV 720P 6 1280x720...

Страница 8: ...HDTV 720P 4 1280x720 44 96 59 94 HDTV 720P 5 1920x1080 33 75 60 00 HDTV 1080I 6 1920x1080 33 72 59 94 HDTV 1080I No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed PC DDC 1 640x480 31 469 59 94 25 17 VESA VGA O 2 640x480 37 861 72 80 31 50 VESA VGA O 3 640x480 37 500 75 00 31 50 VESA VGA O 4 800x600 35 156 56 25 36 00 VESA SVGA O 5 800x600 37 879 60 31 40 00 VESA SVGA O 6 800x600 48 077 7...

Страница 9: ...mer click icon 5 End after confirming 4 EDID The Extended Display Identification Data DDC Display Data Channel download This is the function that enables Plug and Play 4 1 HDMI EDID Data Input 1 Required Test Equipment 1 Jig for adjusting PC DDC PC serial to D sub Connection equipment 2 S W for writing DDC EDID data write read 3 D Sub cable 4 Jig for HDMI Cable connection 2 Preparation for Adjustm...

Страница 10: ...he adjustment mode by pressing the ADJ KEY 6 Adjustment of White Balance 6 1 Required Equipment 1 Color analyzer CA 110 CA 210 or similar product 2 Automatic adjustor with automatic adjustment hour necessity and the RS 232C communication being possible 3 Pattern Generator MSPG 925FA DVI Output W B DATA Fig 4 Adjustment Pattern 720P 60Hz HozTV31Bar Pattern 720P 60Hz Format No 217 Pattern No 65 480i...

Страница 11: ... Y 0 289 0 002 Color temperature 9300 K 1000 K Warm X 0 315 0 002 Y 0 316 0 002 Color temperature 6500 K 1000 K 7 Video uPD 7 1 Required Equipment MSPG925FA Pattern Generator connector with Video Input 7 2 MSG925FA Adjustment 1 After select the model input the 201 NTSC M 2 Receive the 100 Color Bar Pattern Pattern 33 3 Select the Reverse button and select the signal as below figure 7 3 Adjustment ...

Страница 12: ...e 0 Treble 50 Bass 50 Front Surround Off TV Speaker On BBE Off 7 Timer Auto clock On Manual Clock Off Off Timer Off On Timer Off Sleep Timer Off Auto Off Off 8 Option Aspect Ratio 16 9 Cinema 3 2 mode Off Caption Off Caption Text CC1 Caption Option Off Language English 9 Lock Lock System Off Set password On Default 0000 Block channel None Movie Rating Off TV Rating Children None TV Rating General ...

Страница 13: ...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 14: ...circuit Doesn t the low pressure output come out Doesn t the St by 5V signal come out Yes Yes No 4 Check the 5V MNT signal circuit Doesn t the 5V Monitor signal come out Yes 7 Check the VSC Vs ON signal Doesn t the high tension output come out Doesn t the VSC signal Vs ON come out Yes Yes No 8 Check the Vs Va voltage output circuit Doesn t the Vs Va voltage output come out Yes No No 5 Check the VS...

Страница 15: ...er cord connected Plug in power cord Yes No Cable connecting the Line Filter and Power Board connected Connect Cable Yes No Is Fuse F101 on Power Board good Replace Fuse Yes No Is the Power Board connected to 7P of VSC Board Connect Cable Yes No When ST BY 5V does not operate replace Power Board ...

Страница 16: ... follow Check the LVDS cable Is the VSC Digital Board good Is the LVDS cable connected well Reset cable Yes No No Yes Operates the Thine IC IC100 Replace Thine IC IC100 No Is the T Con Board good Replace T Con B D No No Check IEP IC902 Replace IEP IC902 Yes No Check Scaler IC400 Replace VSC Digital B D Replace Scaler IC400 Yes Yes No Replace cable Yes ...

Страница 17: ...69Q good Is the Tuner Cable connected well Reset cable Yes No No Yes Is the Video Decoder IC302 UPD64011 good Replace Tuner No Are the Input voltage IIC Comm and CVBS outputs good Yes Are the Input voltage IIC Comm and HV sync good No Replace IC103 No Are the Input voltage IIC Comm and HV sync good No Replace IC302 No Is IC103 Switch CXA2069Q good Yes Is the Video Decoder IC302 UPD64011 good Is no...

Страница 18: ...oltage IIC Comm and HV sync good No Replace IC No Is normal the IC104 140538G Yes Is IC101 CXA2181Q good Are the Input voltage IIC Comm and HV sync good No Replace IC104 No Are the Input voltage IIC Comm and HV sync good No Replace IC101 No Yes Is normal the IC306 MST9883C Are the Input voltage IIC Comm and HV sync good No Replace IC306 No Yes Is IC400 Scaler good Are the Input voltage IIC Comm an...

Страница 19: ... Input voltage IIC Comm and HV sync good No Replace IC306 No Is normal the M52758 Yes Is normal IC400 the Scaler Are the Input voltage IIC Comm and HV sync good No Replace IC306 No Is normal IC400 the Scaler Are the Input voltage IIC Comm and HV sync good No Replace IC400 No Are the Input voltage IIC Comm and HV sync good No Replace IC400 No Yes Is normal IC400 the Scaler Are the Input voltage IIC...

Страница 20: ...connected well Reset cable No No Reset cable No Replace IC1004 Replace IC1002 No No Replace IC1003 No Replace SPK cable Yes Yes Audio normal on RGB DVI Is the Flat cable connected well No No IC1004 MSP4440K good IC1002 NSP 2100A good Yes Replace VSC Analog B D IC1003 TAS5122 good Yes Yes Audio normal on RF AV Component No ...

Страница 21: ...BLOCK DIAGRAM 21 ...

Страница 22: ...027G 13P 6631900012J 10P 6631T25019T 12P 6631900041A 12P 6631900048A 4P 6631900063C 10P 6631900010F 12P 6631V10003C 25P 6631V10004Z 31P 6631900092B 12P 6631T11020Z 30P 6631900121A 4P 6631900120A 3P WIRING DIAGRAM ...

Страница 23: ... 23 EXPLODED VIEW 010 020 050 100 130 110 060 070 090 080 120 140 150 030 040 070 071 071 ...

Страница 24: ...D ALUSLLX KEY TOTAL ASSY 6400WMCX03A SPEAKER WOOFER G1560102 MACOM WOOFER 8OHM 15 20W 82DB OTHERS 100HZ 193 57MM 6400DTTX02A SPEAKER TWEETER EN15D 6629 TOPTONE TWEETER DOME 8OHM 15 20W 78DB OTHERS LC2 MODEL 68719ST914A PWB PCB ASSEMBLY SUB SUB T T LA51D 42LC2D UD ALUSLLX IR TOTAL ASSY 4980V00390A SUPPORTER NUT 3200KN0001A BS SK 011T 6709900017A POWER SUPPLY ASSEMBLY 42INCH H3 E2 LCD MODEL LCD YY L...

Страница 25: ...RIPTION SPECIFICATION C1147 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1148 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C115 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1150 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C116 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C117 0CH5120K416 12PF 50V 5 NP0 2012 R TP C119 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C120 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C123 0CK104CK56A 0 1UF 16...

Страница 26: ...0V 10 R TP X7R C449 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C450 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C451 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C452 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C453 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C454 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C456 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C457 0CK104CK56...

Страница 27: ...08 50V 10 R TP X7 C1106 0CK103CK56A 0 01UF 1608 50V 10 R TP X7 C1112 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1117 0CK103CK56A 0 01UF 1608 50V 10 R TP X7 C1118 0CK103CK56A 0 01UF 1608 50V 10 R TP X7 C1121 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1126 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1149 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1151...

Страница 28: ...102CK41A 1000PF 1608 50V 5 R TP NP0 C614 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C615 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C618 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C619 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C620 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C621 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C622 0CC102CK41A 1000PF 1608 50V 5 R T...

Страница 29: ...DC 100UF MVK 16V 20 R TP SMD C901 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S C902 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S C906 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C910 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S C911 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S C912 0CH8106F691 10UF 16V 20 105STD CYL R C930 0CH8106F691 10UF 16V 20 105STD CYL R C935 ...

Страница 30: ...LTER EMI REEL TAPING BMS4 F815 6200QJ3001A FILTER EMI REEL TAPING BMS4 F816 6200QJ3001A FILTER EMI REEL TAPING BMS4 DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L1001 0LCML00003B MLB 201209 0120P N2 5A MAG L1002 0LCML00003B MLB 201209 0120P N2 5A MAG L1003 0LCML00003B MLB 201209 0120P N2 5A MAG L1004 0LCML00003B MLB 201209 0120P N2 5A MAG L1006 0LCML00003B MLB 201209 0120P N2 5A M...

Страница 31: ...677 4 7K OHM 1 10 W 5 1608 R T DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1060 0RJ0101D677 1 OHM 1 10 W 5 1608 R TP R1062 0RJ0101D677 1 OHM 1 10 W 5 1608 R TP R1063 0RJ0101D677 1 OHM 1 10 W 5 1608 R TP R1066 0RJ0331D677 3 3 OHM 1 10 W 5 1608 R TP R107 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T R108 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T R1087 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP ...

Страница 32: ...0 W 5 1608 R TP R950 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R965 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T R973 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R985 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R986 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R987 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R989 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R990 0RJ0000D677 0 OHM ...

Страница 33: ...0222D677 22 OHM 1 10 W 5 1608 R TP R164 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R165 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R166 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R168 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R169 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R172 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R174 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R1...

Страница 34: ...1608 R TP R435 0RJ0332D677 33 OHM 1 10 W 5 1608 R TP R436 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R439 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R445 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R446 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R500 0RJ0272D677 27 OHM 1 10 W 5 1608 R TP R501 0RJ0272D677 27 OHM 1 10 W 5...

Страница 35: ... 5 1608 R TP R988 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP RB101 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP RB102 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP RB104 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP RB106 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION RB107 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T RB111 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP RB112 0RJ4700...

Страница 36: ...0CH2103K516 10000PF 50V 10 B Y5P 2012 C204 0CH2334F566 0 33UF 16V 10 X7R 2012 R T C212 0CH2103K516 10000PF 50V 10 B Y5P 2012 DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C213 0CH2103K516 10000PF 50V 10 B Y5P 2012 C214 0CH2103K516 10000PF 50V 10 B Y5P 2012 C221 0CH2103K516 10000PF 50V 10 B Y5P 2012 C222 0CH2103K516 10000PF 50V 10 B Y5P 2012 C223 0CH2103K516 10000PF 50V 10 B Y5P 201...

Страница 37: ...00D622 100 OHM 1 10 W 2012 5 00 R1101 0RH1002D622 10K OHM 1 10 W 2012 5 00 R1103 0RH1502D622 15K OHM 1 10 W 2012 5 00 R1104 0RH6801D622 6 8K OHM 1 10 W 2012 5 00 R1105 0RH0822D622 82 OHM 1 10 W 2012 5 00 R1108 0RH0822D622 82 OHM 1 10 W 2012 5 00 R111 0RH1000D622 100 OHM 1 10 W 2012 5 00 R1110 0RH1502D622 15K OHM 1 10 W 2012 5 00 R1111 0RH6801D622 6 8K OHM 1 10 W 2012 5 00 R1113 0RH0822D622 82 OHM ...

Страница 38: ...23 0RH0752D622 75 OHM 1 10 W 2012 5 00 R128 0RH0222D622 22 OHM 1 10 W 2012 5 00 R130 0RH4700D622 470 OHM 1 10 W 2012 5 00 R131 0RH0752D622 75 OHM 1 10 W 2012 5 00 R133 0RH0752D622 75 OHM 1 10 W 2012 5 00 R134 0RH0752D622 75 OHM 1 10 W 2012 5 00 R135 0RH0222D622 22 OHM 1 10 W 2012 5 00 DATE 2006 02 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R136 0RH0822D622 82 OHM 1 10 W 2012 5 00 R138 0RH082...

Страница 39: ...0013A TSOP4438SO1 VISHAY 38KHZ AN C101 0CH4471K416 470PF 50V 5 NP0 2012 R TP C102 0CH5101K416 100PF 50V 5 NP0 2012 R TP C103 0CE476WF6DC 47UF MVK 16V 20 R TP SMD C104 0CH4471K416 470PF 50V 5 NP0 2012 R TP C105 0CH4471K416 470PF 50V 5 NP0 2012 R TP L101 0RH1000D622 100 OHM 1 10 W 2012 5 00 Q101 0TR387500AA CHIP 2SC3875S ALY BK KEC Q102 0TR387500AA CHIP 2SC3875S ALY BK KEC R101 0LCML00003B MLB 20120...

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Страница 57: ...Feb 2006 Printed in Korea P NO 38289S0043C ...

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