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LG 32LC2D Series, Руководство по обслуживанию

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LG 32LC2D Series Скачать руководство пользователя страница 20

- 20 -

(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

Содержание 32LC2D Series

Страница 1: ...L CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA51D FACTORY NAME 32LC2D UD 37LC2D UD MODEL 32LC2D 37LC2D 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: ...lication range 1 1 This spec sheet is applied all of the 32 37 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 volta...

Страница 7: ...00 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 No Item Min Typ Max Unit Remark 1 White peak brightness 400 500 600 cd m2 HDMI input full white 2 Contrast Ratio 600 1 800 1 3 Brightness uniformity 1 3 Refer to LCD SPEC 4 Color coordinate RED X 0 640 0 03 Y 0 341 0 03 GREEN X 0 287 0 03 Y 0 610 0 03 BLUE X 0 146 0 03 Y 0 069 0 03 WHITE ...

Страница 8: ...posed PC 1 720 400 31 469 70 08 28 32 DOS O 2 640 480 31 469 59 94 25 17 VESA VGA O 3 640 480 37 861 72 80 31 50 VESA VGA O 4 640 480 37 500 75 00 31 50 VESA VGA O 5 800 600 35 156 56 25 36 00 VESA SVGA O 6 800 600 37 879 60 31 40 00 VESA SVGA O 7 800 600 48 077 72 18 50 00 VESA SVGA O 8 800 600 46 875 75 00 49 50 VESA SVGA O 9 1024 768 48 363 60 00 65 00 VESA XGA O 10 1024 768 56 476 70 06 75 00 ...

Страница 9: ...5 O DTV 11 720 480 31 500 60 27 03 SDTV 480P 12 720 480 31 469 59 94 27 00 SDTV 480P 13 1280 720 45 00 60 00 HDTV 720P 14 1280 720 44 96 59 94 HDTV 720P 15 1920 1080 33 75 60 00 HDTV 1080I 16 1920 1080 33 72 59 94 HDTV 1080I 8 HDMI Input PC DTV 9 Mechanical specification 32LC2D 37LC2D No Item Content Remark 1 Product Dimenson Width W Length D Height H Before Packing 944 286 726 With Stand After Pa...

Страница 10: ...er 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 Adjustme...

Страница 11: ...1 01 01 10 07 0F 01 03 68 46 28 96 0A D4 6C A3 57 49 9C 25 20 11 48 4B AF CE 00 31 4F 45 4F 61 4F 01 01 01 01 30 01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88 40 36 00 BC 88 21 00 00 18 00 00 00 FD 00 38 4B 1E 50 3D 08 00 0A 20 20 20 20 20 20 00 00 00 FC 00 33 60 32 4C 43 32 44 2D 55 44 0A 20 20 20 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 34 00 01 02 03 04 05 06 07 08 09 0A 0B...

Страница 12: ...re 12000 K 1000 K Medium X 0 287 0 002 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 ...

Страница 13: ...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 14: ...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 15: ...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 16: ...wer 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 17: ...k 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 18: ...069Q 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 n...

Страница 19: ...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 20: ... 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 21: ... 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 22: ...BLOCK DIAGRAM 22 ...

Страница 23: ...027G 13P 6631900012J 10P 6631T25019T 12P 6631900037E 12P 6631900048A 4P 6631T20010C 10P 6631900010B 12P 6631V10003C 25P 6631V10004Z 31P 6631900092A 12P 6631T11020Z 30P 6631900019Q 4P 6631900018P 3P WIRING DIAGRAM ...

Страница 24: ... 24 EXPLODED VIEW 32LC2D 010 020 060 050 070 080 090 100 030 130 040 041 042 110 120 ...

Страница 25: ...Y 32LC2D UD NONE STAND BOTTOM C SKD WITHOUT PRINTING 68719ST901A PWB PCB ASSEMBLY SUB SUB T T LA51D 32LC2D UD ALKRLLX SIDE TOTAL 6709900016A POWER SUPPLY ASSEMBLY FREE H3 E2 LCD MODEL LCD LG ELECTRONICS LB LC 68719ST916A PWB PCB ASSEMBLY SUB SUB T T LA51D 32LC2D UD ALUSLLX AV TOTAL ASSY 68719ST899A PWB PCB ASSEMBLY SUB SUB T T LA51D 32LC2D UD ALKRLLX KEY TOTAL 49519S0031B METAL ASSEMBLY FRAME PACI...

Страница 26: ... 26 EXPLODED VIEW 37LC2D 010 020 061 090 100 110 130 140 030 150 041 040 120 042 080 070 620 050 ...

Страница 27: ... 49509K0024F METAL SIDE SUPPORTER LEFT FOR 37LC2 C SKD 49509K0023C METAL SIDE SUPPORTER RIGHT FOR 37LC2 49509K0023D METAL SIDE SUPPORTER RIGHT FOR 37LC2 C SKD 6400WMCX03A SPEAKER WOOFER G1560102 MACOM WOOFER 8OHM 15 20W 82DB OTHERS 100HZ 193 57MM 68719ST902A PWB PCB ASSEMBLY SUB SUB T T LA51D 37LC2D UD ALUSLLX KEY FRONT TOTAL 68719ST904A PWB PCB ASSEMBLY SUB SUB T T LA51D 37LC2D UD ALUSLLX SIDE TO...

Страница 28: ...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 29: ...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 2005 12 11 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 30: ...608 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 DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1126 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1149 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1151 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C1152 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C124 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C126 ...

Страница 31: ...102CK41A 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 DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C621 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C622 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C623 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C624 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C626 0CC102CK41A 1000PF 1608 50V 5 R T...

Страница 32: ...S C912 0CH8106F691 10UF 16V 20 105STD CYL R C930 0CH8106F691 10UF 16V 20 105STD CYL R C935 0CH8106F691 10UF 16V 20 105STD CYL R DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C943 0CE476SK6D8 47UF MVG MC 50V 20 SMD TAP C959 0CH8106F691 10UF 16V 20 105STD CYL R C960 0CH8226F691 22UF 16V 20 105STD CYL R CC103 0CE476WH6DC 47UF MVK 25V 20 SMD R TP S CC104 0CE476WH6DC 47UF MVK 25V 20 SMD...

Страница 33: ...TER EMI REEL TAPING BMS4 F813 6200QJ3001A FILTER EMI REEL TAPING BMS4 F814 6200QJ3001A FILTER EMI REEL TAPING BMS4 DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION F815 6200QJ3001A FILTER EMI REEL TAPING BMS4 F816 6200QJ3001A FILTER EMI REEL TAPING BMS4 L1003 0LCML00003B MLB 201209 0120P N2 5A MAG L1004 0LCML00003B MLB 201209 0120P N2 5A MAG L1006 0LCML00003B MLB 201209 0120P N2 5A MA...

Страница 34: ...77 4 7K OHM 1 10 W 5 1608 R T DATE 2005 12 11 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 R...

Страница 35: ...0 W 5 1608 R T R973 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 1 10 W 5 1608 R TP RB100 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T RB103 0RJ1002D677 10K OH...

Страница 36: ...22D677 22 OHM 1 10 W 5 1608 R TP R165 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R166 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 R175 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R17...

Страница 37: ...P R446 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP R5 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R287 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R288 0RJ0222D677 22 OHM 1 10 W 5 1608 R TP R289 0RJ0222D677 22 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 1608 R TP R502 0RJ0272D677 27 OHM 1 10 W 5 1608 R...

Страница 38: ...HM 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 RB107 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION RB111 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP RB112 0RJ4700D677 470 OHM 1 10 W 5 1608 R TP RB113 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP RB...

Страница 39: ... 10 X7R 2012 R T C205 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C207 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C209 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C210 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C211 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C212 0CH2103K516 10000PF 50V 10 B Y5P 2012 C213 0CH2103K516 10000PF 50V 10 B Y5P 2012 C214 0CH2103K516 10000PF 50V 10 B Y5P 2012 C218 0CH3104K566 0 1UF 50V 10 X7R ...

Страница 40: ...1 10UF 16V 20 105STD CYL R C1123 0CE105WK6DC 1UF MVK 50V 20 R TP SMD S DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1126 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1129 0CE225WK6DC 2 2UF MVK RC 50V 20 SMD TA C1131 0CH8106F691 10UF 16V 20 105STD CYL R C1133 0CE227SF6DC 220UF MVG 16V 20 R TP SMD C1137 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1138 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP ...

Страница 41: ... OHM 1 10 W 2012 5 00 R1165 0RH2200D622 220 OHM 1 10 W 2012 5 00 R1166 0RH2200D622 220 OHM 1 10 W 2012 5 00 R1168 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1169 0RH4701D622 4 7K OHM 1 10 W 2012 5 00 DATE 2005 12 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1170 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1171 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1173 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1174 0RH1001D622 ...

Страница 42: ...RIPTION SPECIFICATION R101 0LCML00003B MLB 201209 0120P N2 5A MAG R102 0LCML00003B MLB 201209 0120P N2 5A MAG R103 0LCML00003B MLB 201209 0120P N2 5A MAG R104 0RH4701D622 4 7K OHM 1 10 W 2012 5 00 R105 0RH4701D622 4 7K OHM 1 10 W 2012 5 00 42 ...

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Страница 60: ...Dec 2005 Printed in Korea P NO 38289S0043C ...

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