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LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LA53A

MODEL : 32LP2DC-UA

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Содержание 32LP2DC-UA

Страница 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA53A MODEL 32LP2DC UA 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 12 TROUBLE SHOOTING 15 BLOCK DIAGRAM 18 WIRING DIAGRAM 21 EXPLODED VIEW 22 EXPLODED VIEW PARTS LIST 23 REPLACEMENT PARTS LIST 24 SVC SHEET ...

Страница 3: ...et 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 i...

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: ...mprovement 4 General Specification No Item Specification Remark 1 Receiving System ATSC 64 256 QAM NTSC M Slim VSB 2 Available Channel VHF 02 13 UHF 14 69 CATV 01 135 DTV 02 69 CADTV 01 135 3 Input Voltage AC 100 260V 50 60Hz 4 Market North America 5 Screen Size 32 inch wide 6 Aspect Ratio 16 9 7 Tuning System FS 8 LCD Module LC320W01 SL11 1366x768 LG Philips LCD 9 Operating Environment Temp 0 40 ...

Страница 7: ...eble 0 100 Bass 0 100 Front Surround Off 3D EchoSound System SRS TruSurround XT BBE Off On TV Speaker Off On 6 Time Auto Clock Off On Time Zone Daylight Saving Manual Clock Year Data Time Off Timer Off On Time On Timer Off On Time Ch Vol Sleep Timer Off 10min 20min 30min 60min 90min 120min 180min 240min Auto Off Off On 7 Option Aspect Ratio Set By Program 4 3 16 9 Horizon Zoom1 DTV Excluded specta...

Страница 8: ...ESA 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 VESA XGA O 11 1024 768 60 023 75 02 78 75 VESA XGA O DTV 1 720 480 31 50 59 94 SDTV 480P 2 720 480 31 47 60 00 SDTV 480P 3 1280 720 44 96 59 94 HDTV 720P 4 1280 720 45 00 60 00 HDTV 720P 5 1920 1080 33 72 59 94 HDTV 1080I 6 1920 1080 33 75 60 00 HDTV 1080I 6 Chroma Brightness...

Страница 9: ...31 500 59 94 27 00 SDTV 480P 12 720 480 31 469 60 00 27 03 SDTV 480P 13 1280 720 44 96 59 94 HDTV 720P 14 1280 720 45 00 60 00 HDTV 720P 15 1920 1080 33 72 59 94 HDTV 1080I 16 1920 1080 33 75 60 00 HDTV 1080I 8 POWER No Item Min Typ Max Unit Remark 1 AC Power Operating Voltage 100 240 V 2 DC Voltage LCD Panel Drive 11 4 12 0 12 6 V 3 DC Voltage Inverter 22 8 24 0 25 2 V 4 DC Voltage Sound AMP 18 0...

Страница 10: ...Audio Out S N L R 43 0 dB 17 AV Audio Out Distortion 2 0 18 AV Audio Out Frequency Response Low 80 0 Hz High 8 0 10 0 19 0 kHz 19 Component Video Input Level Y CB PB CR PR 0 6 1 0 1 14 Vpp 75 ohm 480i 480p 720p 1080i 20 RGB Input Level 0 6 0 7 0 8 Vpp 75 ohm 10 General Specifications No Item Min Typ Max Unit Remark 1 Active Screen Size 750 062 diagonal mm 29 53 inches 2 Outline Dimension 697 3 H x...

Страница 11: ...e Tr Rising time 16 30 msec 5 Color coordinate RED X 0 632 Full Pattern Y 0 342 GREEN X Typ 0 288 Typ Y 0 03 0 610 0 03 BLUE X 0 147 Y 0 065 WHITE X 0 287 Y 0 289 6 Viewing Angle X axis right 0 85 88 degree CR 10 X axis left 180 85 88 Yaxis up 90 85 88 Z axis down 270 85 88 12 Mechanical specification No Item Content Remark 1 Product Width W Length D Height H Dimension 874 109 538 874 186 580 5 Wi...

Страница 12: ...h Pattern 09CH with significant black white contrast 3 Total Adjustment 3 1 EDID Extended Display Identification Data DDC Display Data Channel download 3 1 1 Summary This function was created by VESA and is intended to realize Plug and Play that the computer automatically communicates with the monitor through mutual change of information and re configure user environment so than the user can immed...

Страница 13: ...tment of main subsidiary part is intended to reduce color difference of the main subsidiary part in the PIP POP SPLIT Screen A After entering inner signal enter into the Ez Adjust by pressing the ADJ key of the remote control for adjustment and select the 2 VPX3226 and enter into the Adjustment Mode by pressing the right key B The screen automatically becomes a TV 6CH SPLIT Screen if entering into...

Страница 14: ...put To check 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 ...

Страница 15: ...ge check A board P818 5Pin 5V Check 15V or 5V of Lips Connection of power supply part Check wiring status of the 13 pin connector Connection of power supply part Check wiring status of the 15 pin connector Power on signal level D board P811 power0 3 3V D_board main voltage P810 3 3V 6V P 12V P 30V P Fail Fail Fail Fail Fail Pass Pass Pass Pass Pass Pass Pass Replace Power_board Replace D_board MIC...

Страница 16: ...ass Pass Pass Pass Replace IC480 Q411 Replace D_board Stand by voltage D_board IC480 5 6 7 8 12V D_Board P412 LVDS Signal Exist Check No Power Go to Power Fail Fail Fail Fail Replace D_board Replace A_board A_board P817 13 15V Check No Power Go to Power Check Module T con voltage D board P412 2 3 4pin 12V Replace LCD Module ...

Страница 17: ...ace Connector Replace Power Board Replace A_Board Replace Speaker Check Sound supply A_board P817 1 2 18V Power board 15Pin Connector check Fail Fail Fail Pass Pass Pass Speaker output check Is there waveform of P601 1 ...

Страница 18: ...pico HV RGB 24 3 2 YPbPr Jepico RGB out test V YC 3 MNT_ Out Jepico DOutClk 9 Data 0 7 CLK HD II VAL ID IIC4 3 YCbCr SDRAM HY57V643220C SDRAM HY57V641620B x4 Rear AV V L R 3 Front AV V L R 3 Rear S YC 2 Front S YC 2 A V SW CXA2069 Comp_1 YCbCr 3 Comp_2 YCbCr 3 MSP4440 Video SW CXA2181 Ext A LR 2 IIC2 OR3 Sound Proc MSP4440 I2S 2 SIF MNT_Out LR 2 LR 2 CXA2069 IIC4 I2S Out 3 HD II HD II I2S_In SPDIF...

Страница 19: ... that decodes input signals HD II is a chip that controls nearly all video related functions including brightness sharpness video formatting and scaling If digital broadcasting is available it comes through TP which can be controlled from HD II Video SW CXA2181 is an IC that outputs video signals selectively The selected one is outputted through ADC AD9883A as a digital signal uCom M306H3 interfac...

Страница 20: ...ORMER EPC5050 PFC TRANS EER3124 ST BY TRANS EED1916 PFC CONTROL FEED BACK FEED BACK ST 5 0V PROTECTOR DETECTOR FEED BACK MAIN CONTROL ST BY CONTROL RECTIFIER FILTER RECTIFIER FILTER BRIDGE RECTIFIER INVERTER 24V PWR CTL ACTIVE HIGH MAIN 18V 12V 33V MAIN 3 4V 6 0V DC DC CONVERTER ...

Страница 21: ...rt List Part No A B C D E F G H I J K L M N O P Q R 6631T11020Z 6631T20037D 6631T25023R 6631T25019W 6631T25019X 6631V10004A 6631T11017J 6631T25019U 6631T20037E 6631T20028K 6631T20028H 6631T20013E 6631T20034X 6631T25025A 6631T12006Q 6631T11020V 6631T25023S 6631T25023T ...

Страница 22: ... 22 EXPLODED VIEW 010 020 180 040 190 200 090 130 140 160 170 060 080 100 110 120 030 210 050 150 070 ...

Страница 23: ...T768A PWB PCB ASSEMBLY SUB 32LP1DC SUB TOTAL BRAND COMMERCIAL ANALOG BOARD 4951TKK228B METAL ASSEMBLY FRAME SIDE R 32LP10 4951TKK228A METAL ASSEMBLY FRAME SIDE L 32LP10 4951TKK238A METAL ASSEMBLY FRAME REAR 32LP10 6871TST931A PWB PCB ASSEMBLY SUB 32LP1DC SUB TOTAL BRAND 4950TKA066C METAL SHIELD REAR A V DU 32LP10C 3551TKK561C COVER ASSEMBLY 32LP10 DU C REAR AV BRACKET 3551TKS058A COVER ASSEMBLY 32...

Страница 24: ...1306 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1313 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1326 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C133 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1400 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C201 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C202 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C203 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C204 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C...

Страница 25: ...0 X7R 2012 R TP C385 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C388 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C395 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C396 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C409 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C410 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C411 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C412 0CH3104K5...

Страница 26: ...TP C117 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1200 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C121 0CH3103K516 10000PF 50V 10 B Y5P 2012 C123 0CH3103K516 10000PF 50V 10 B Y5P 2012 C1311 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1312 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1314 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C1315 0CH3104K566 0 1UF 5...

Страница 27: ...STD CYL R C1300 0CH8106F691 10UF 16V 20 105STD CYL R C1301 0CH8226F691 22UF 16V 20 105STD CYL R DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1303 0CH8106F691 10UF 16V 20 105STD CYL R C1304 0CH8226F691 22UF 16V 20 105STD CYL R C1307 0CH8226F691 22UF 16V 20 105STD CYL R C132 0CH8105K691 1UF 50V 20 105STD CYL R T C1320 0CE106VF6DC 10UF MV 16V 20 R TP SMD SM C1324 0CE106VF6DC 10UF MV...

Страница 28: ... PART NO DESCRIPTION SPECIFICATION IC308 0ILNRMN005A VPX3226E MICRONAS 44 QFP TRA IC103 0IMMRSS041D K4S641632H TL75 SAMSUNG ELEC IC104 0IMMRSS041D K4S641632H TL75 SAMSUNG ELEC IC107 0IAL242561B AT24C256W 10SI 2 7V 8P SOIC IC210 0IMMRSS041D K4S641632H TL75 SAMSUNG ELEC IC211 0IMMRSS041D K4S641632H TL75 SAMSUNG ELEC IC212 0IMMRSS041D K4S641632H TL75 SAMSUNG ELEC IC213 0IMMRSS041D K4S641632H TL75 SAM...

Страница 29: ...A MLB 321611 0120A N1 MAG LAYE B611 0LCML00002A MLB 321611 0120A N1 MAG LAYE B801 0LCML00002B MLB 321611 0050P N1 6A MAG L B802 0LCML00002B MLB 321611 0050P N1 6A MAG L B803 0LCML00002B MLB 321611 0050P N1 6A MAG L B804 0LCML00002B MLB 321611 0050P N1 6A MAG L B805 0LCML00002B MLB 321611 0050P N1 6A MAG L DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION B806 0LCML00002B MLB 321611 005...

Страница 30: ...0D622 100 1 10W 5 D R TP R1368 0RH5600D622 560 1 10W 5 D R TP R1369 0RH1202D622 12K 1 10W 5 D R TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1370 0RH1202D622 12K 1 10W 5 D R TP R1371 0RH3300D622 330 1 10W 5 D R TP R1372 0RH5101D622 5 1K 1 10W 5 D R TP R1373 0RH2001D622 2 0K 1 10W 5 D R TP R1374 0RH4702D622 47K 1 10W 5 D R TP R1375 0RH4702D622 47K 1 10W 5 D R TP R1376 0RH1202D6...

Страница 31: ... 1 16 W 5 32 AR404 0RHZTCZ001E RCA SMART 47OHM 1 16 W 5 32 AR405 0RHZTCZ001E RCA SMART 47OHM 1 16 W 5 32 AR406 0RRZVTA001D 22 OHM 1 16 W 1608 5 R TP AR407 0RRZVTA001D 22 OHM 1 16 W 1608 5 R TP AR408 0RRZVTA001D 22 OHM 1 16 W 1608 5 R TP AR600 0RHZTCZ001A RCA SMART 100OHM 1 16 W 5 3 AR601 0RHZTCZ001A RCA SMART 100OHM 1 16 W 5 3 AR602 0RHZTCZ001A RCA SMART 100OHM 1 16 W 5 3 AR603 0RHZTCZ001A RCA SMA...

Страница 32: ... 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R123 0RH0222D622 22 OHM 1 10 W 2012 5 00 D DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R124 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R125 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R1309 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1310 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1311 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R1322 0RH0222D622 22 OHM 1 10 W 2012 5 00...

Страница 33: ...10 W 2012 5 00 D R463 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R465 0RH1001D622 1K OHM 1 10 W 2012 5 00 D DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R472 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R474 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R489 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R491 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R493 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R494 0RH0222D622 22 O...

Страница 34: ... Z F 2012 R TP C972 0CH3222K516 2200PF 50V K B 2012 R TP C973 0CH3222K516 2200PF 50V K B 2012 R TP C974 0CH3222K516 2200PF 50V K B 2012 R TP C975 0CH3222K516 2200PF 50V K B 2012 R TP C976 0CH3222K516 2200PF 50V K B 2012 R TP C977 0CH3222K516 2200PF 50V K B 2012 R TP C978 0CH3222K516 2200PF 50V K B 2012 R TP C979 0CH3222K516 2200PF 50V K B 2012 R TP C106 0CH6101K416 100PF 50V J NP0 2012 R TP C107 0...

Страница 35: ...7R 2012 R TP C888 0CH2473K516 47000PF 50V 10 B Y5P 2012 C889 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C890 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C892 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C893 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C894 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C895 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C896 0CH3104K566 0...

Страница 36: ...6VK6DC 47UF MV 50V 20 R TP SMD SM C725 0CE476VF6DC 47UF MV 16V 20 R TP SMD SM C727 0CE107VF6DC 100UF MV 16V 20 R TP SMD S C741 0CE476VF6DC 47UF MV 16V 20 R TP SMD SM DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C743 0CH8477F691 470UF MVK 16V 20 SMD R TP S C763 0CE476VF6DC 47UF MV 16V 20 R TP SMD SM C766 0CE476VF6DC 47UF MV 16V 20 R TP SMD SM C782 0CE476VF6DC 47UF MV 16V 20 R TP SM...

Страница 37: ...CERATEC 3216MM DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L605 6210TCE001G HH 1M3216 501 CERATEC 3216MM L606 6210TCE001G HH 1M3216 501 CERATEC 3216MM L611 6210TCE001G HH 1M3216 501 CERATEC 3216MM L614 6210TCE001G HH 1M3216 501 CERATEC 3216MM L709 6210TCE001G HH 1M3216 501 CERATEC 3216MM L713 6210TCE001G HH 1M3216 501 CERATEC 3216MM L715 6210TCE001G HH 1M3216 501 CERATEC 3216MM L...

Страница 38: ...A CHIP 2SC3875S ALY BK KEC Q833 0TR150400BA CHIP 2SA1504S ASY BK KEC Q834 0TR387500AA CHIP 2SC3875S ALY BK KEC Q837 0TR387500AA CHIP 2SC3875S ALY BK KEC Q838 0TR150400BA CHIP 2SA1504S ASY BK KEC Q841 0TR387500AA CHIP 2SC3875S ALY BK KEC DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q842 0TR150400BA CHIP 2SA1504S ASY BK KEC Q846 0TR387500AA CHIP 2SC3875S ALY BK KEC Q847 0TR387500AA ...

Страница 39: ... D R TP R959 0RH2200D622 220 1 10W 5 D R TP R960 0RH2200D622 220 1 10W 5 D R TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R976 0RH1000D622 100 1 10W 5 D R TP R977 0RH4700D622 470 1 10W 5 D R TP R978 0RH1202D622 12K 1 10W 5 D R TP R979 0RH3300D622 330 1 10W 5 D R TP R980 0RH3901D622 3 9K 1 10W 5 D R TP R997 0RH1000D622 100 1 10W 5 D R TP R998 0RH1000D622 100 1 10W 5 D R TP R999 ...

Страница 40: ...110 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R112 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R126 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R127 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R129 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R135 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R138 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R140 0RH0222D622 22 OHM 1 10 W 2012 5 00 D R141 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R143 0RH0000D62...

Страница 41: ...2 0 OHM 1 10 W 2012 5 00 D R684 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R685 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R686 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R697 0RH0000D622 0 OHM 1 10 W 2012 5 00 D DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R698 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R802 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R806 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R814 0RH1001D622 ...

Страница 42: ...2 0IKE657830B KID65783AF 20PIN SOP TRAY TR IC1203 0IMI623200B M62320FP I O EXPANDER 16P SO IC1201 0INE163110A UPD16311GC AB6 FIP DRIV 52PQ L1201 0LA0102K119 10UH K 2 3 3 4 TP L1202 0LA0102K119 10UH K 2 3 3 4 TP DATE 2005 02 20 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L1207 0LC1032101A 10UH 10 3216 R TC FI C3216 L1210 0LC1032101A 10UH 10 3216 R TC FI C3216 R1202 0RH4701D622 4 7K 1 10W 5 D R TP...

Страница 43: ... 16V 20 R TP SMD S C3106 0CE106SF6DC 10UF MVG 16V 20 R TP SMD S C3107 0CE106SF6DC 10UF MVG 16V 20 R TP SMD S C3111 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3112 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3113 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3114 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3115 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3116 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C3117 0CK104CK56A 0 1...

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Страница 47: ...Jun 2006 Printed in Korea P NO 3828TSL111B ...

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