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LG 42PX3DLV, Service Manual

The LG 42PX3DLV is an exceptional television with a sleek design and impressive features. Enhance your entertainment experience with its high-quality display and intuitive interface. Don't forget to grab your free Owner's Manual at manualshive.com, where you can easily download it and unlock your TV's full potential.

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- 18 -

REPLACEMENT PARTS LIST

LOCA. NO           PART NO                                         DESCRIPTION

IC608

IC609

IC701

IC702

IC703

IC704

IC705

IC706

IC707

IC800

IC801

IC900

IC901

IC902

Q100

Q101

Q101

Q101

Q102

Q102

Q102

Q103

Q103

Q104

Q104

Q105

Q106

Q107

Q108

Q109

Q110

Q111

Q112

Q113

Q114

Q115

Q116

Q117

Q118

Q119

Q120

Q121

Q122

Q123

Q124

Q125

0ICB533100A

0IMO330780B

0IPMGKE030A

0IPRPML001A

0IMCRSJ001A

0IMCRFA010A

0IPRPNS054A

0IPMGKE032A

0IPMGKE032A

0ICTMLG018A

0IPRPML001A

0IPRPAT002A

0IPMGSG018C

0IMMRAT006C

0TR150400BA

0TR387500AA

0TR102008AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR150400BA

0TR150400BA

0TR150400BA

0TR150400BA

0TR150400BA

0TR387500AA

0TR150400BA

0TR150400BA

0TR387500AA

0TR150400BA

0TR387500AA

0TR150400BA

0TR150400BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

CS5331A-KSR 8SOIC TP ADC -

MC33078D 8/SOIC +-18V OP AMP

KIA78R05F 5PIN 1A,5V  

MIC39100 3P SOT223 

SC1565IST-1.8 3P SOT223  

KA7809R 2P  

LM75CIMX-3 8P 

KIA78R09F 5PIN 1A,9V  

KIA78R09F 5PIN 1A,9V  

LGDP4410 176P 

MIC39100 3P SOT223 

EP1C12F256C8N(PB FREE) 256P 

LD1086DT15TR 2P 1.5V 1.5A  

EPCS4S18N(PROGRAMED) 8PIN 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

KRA102S R/TP KEC SOT23 CHIP TR

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

LOCA. NO           PART NO                                         DESCRIPTION

IC100

IC101

IC101

IC103

IC104

IC109

IC110

IC111

IC112

IC114

IC200

IC201

IC201

IC202

IC202

IC203

IC203

IC204

IC204

IC205

IC205

IC206

IC206

IC209

IC210

IC302

IC304

IC306

IC308

IC310

IC400

IC401

IC402

IC403

IC404

IC501

IC502

IC503

IC600

IC601

IC602

IC603

IC604

IC605

IC606

IC607

0IMMRNE002B

0ISO206900A

0IKE702900G

0IMCRSS016A

0IPH741400E

0IMMRSS041G

0IMMRSS041G

0IKE704200J

0IMMR00037A

0IMCRAL006A

0IMCRMN027D

0ILNR00015A

0IMCRPH026B

0ICTMLG013A

0IMCRTI028C

0IMCRCY002A

0IPMGKE030A

0IAL242561B

0IMCRSJ001A

0IMCRXL004A

0IPRPML001A

0IMCRSG010A

0IMCRFA010A

0IMCRRH001A

0IMCRPH026B

0IPRP00538A

0ICTMLG019A

0ILNRMN005A

0IPRPAD008B

0IMCRRH001A

0ICTMLG009C

0IMMRSS041G

0IMMRSS041G

0IMMRSS041G

0IMMRSS041G

0IMCRS5003B

0IMCRTH002A

0IMMRAL014B

0IMCRSO008A

0IMO140530D

0IPH740800M

0IMMRAL014B

0IMCRFA013A

0ICB841500B

0ITO741570C

0ITO741570C

UPD64083GF3BA-A 100  

CXA2069Q QFP64 BK I2C BUS AV S/W

KIA7029AF SOT-89 TP 2.9V 

S3C44BOX01-EDRO LQFP-160 CPU

74HC14D 14SOP  

K4S641632H-UC75 54P 

K4S641632H-UC75 54P 

KIA7042AF SOT-89 TP 4.2V  

M306H3FCFP 116P 

AT24C16AN-10SU-2.7 8P EEPROM

MSP4440K 80P MULTI SOUND  

NSP-2100A 64P DIGTAL AUDIO  

PA9516APW 16P  

LGDT1901A 24P  

TAS5122DCARG4 56P 

CY2309SXC-1HT 16P R/TP 3.3V  

KIA78R05F 5PIN 1A,5V  

AT24C256W-10SU-2.7V 8P  

SC1565IST-1.8 3P SOT223  

XC95288XL-10TQG144C 144P 

MIC39100 3P SOT223  

ST3232CDR SOP16 R/TP RS232  

KA7809R 2P  

BA033FP-E2 3P-SOP,TO252-3  

PA9516APW PHILIPS 16P 

FSA1156P6X-NL 6P 

LGDT3303 100P 

VPX3226E 44 VIDEO PIXEL DECODER

AD9883AKST(Z)-110 80P 

BA033FP-E2 3P-SOP,TO252-3  

LGDT1102C HD2.3 SBGA-432P 

K4S641632H-UC75 54P 

K4S641632H-UC75 54P 

K4S641632H-UC75 54P 

K4S641632H-UC75 54P  

SIL169CTG100 100P 

THC63LVD103 64P  

AT24C02N-10SI-2.7 8P  

CXA2151Q SONY 48P 

MC14053BDR2 16P  

74F08D 14P  

AT24C02N-10SI-2.7 8P  

74LCX244MTC 20P  

CS8415A-CZR 28P 96KHZ DIGITAL 

TC74LCX157FT 16P 

TC74LCX157FT 16P 

IC

RUN DATE : 2005.8.29

For Capacitor & Resistors, the
charactors at 2nd and 3rd digit
in the P/No. means as follows;

CC, CX, CK, CN : Ceramic
CQ : Polyestor
CE : Electrolytic

RD : Carbon Film
RS : Metal Oxide Film
RN : Metal Film
RF : Fusible

TRANSISTOR

Summary of Contents for 42PX3DLV

Page 1: ...ERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS AF 044C MODEL 42PX3DBV 42PX3DBV UC MODEL 42PX3DLV 42PX3DLV UC CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html PR VOL MENU TV AV OK ...

Page 2: ...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 return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be correct...

Page 3: ...IPTION OF CONTROLS 4 SPECIFICATIONS 8 ADJUSTMENT INSTRUCTIONS 9 BLOCK DIAGRAM 14 EXPLODED VIEW 16 EXPLODED VIEW PARTS LIST 17 REPLACEMENT PARTS LIST 18 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS TABLE OF CONTENTS ...

Page 4: ...r TV Front Panel Controls Front Panel Controls MENU VOL CH TV VIDEO ENTER POWER Button Remote Control Sensor VOLUME F F G G Buttons Power Standby Indicator Illuminates red in standby mode Illuminates green when the TV is turned on CHANNEL E E D D Buttons MENU Button TV VIDEO Button ENTER Button DESCRIPTION OF CONTROLS ...

Page 5: ...ital Audio Output Connect digital audio from various types of equipment Note In standby mode these ports will not work Audio Video Input 1 Connect audio video out put from an external device to these jacks DVD DTV Input Component 1 2 Connect a component video audio device to these jacks Remote Control Port Connect your wired remote control here S Video Input Connect S Video out from an S VIDEO dev...

Page 6: ...f time before your TV turns itself off automatically MENU Brings up the main menu to the screen EZ PIC Selects a factory preset picture mode depending on the viewing environment FREEZE Freezes the currently viewed picture Main picture is frozen TV VIDEO External input modes rotate in regular sequence Antenna Cable Video Front Video Component 1 2 and RGB DTV or RGB PC input sources Video Front Vide...

Page 7: ... Down Left Right ENTER Allows you to navigate the on screen menus and adjust the system settings to your pref erence CHANNEL UP DOWN Selects available channels found with EZ scan PAGE UP PAGE DOWN Moves from one full set of screen infor mation to the next one EZ SOUND Selects the sound appropriate for the pro gram s character XD Switches the XD function on or off VOLUME UP DOWN Increases decreases...

Page 8: ...ATV 1 125 CADTV 1 135 DTV 2 69 75 Ω 32 104 F 0 40 C Less than 80 47 6 1210 27 6 701 11 6 295 66 1 30 852 x 480 Dot Width inches mm Height inches mm Depth inches mm Weight pounds kg Resolution Power requirement Television System Program Coverage External Antenna Impedance Operating Temperature Range Operating Humidity Range 42PX3DBV UC 42PX3DLV UC SPECIFICATIONS ...

Page 9: ...er the Ez Adjust by pressing ADJ Key on Service Remote Control S R C Select the 5 White Pattern using CH Key and press the Enter Y Key Display the 100 Full White Pattern Set is activated HEAT RUN without signal generator in this mode 3 EPLD Download 1 Test Equipment PC Jig for download 2 Connect the power of VSC B D 3 Execute download program of PC 4 After executing execution hot key Programmer ic...

Page 10: ...e Download program if it rightly connects to the board it is appeared as upper red box And it is appeared as lower dialog box 2 Click the OPEN to select the download program So appear the dialog box Program Click 3 When the program is clicked appear the window as below ...

Page 11: ...D 00 30 60 4C 1E 64 0F 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 0A 00 00 00 00 00 00 00 00 00 00 00 00 01 1D Block 1 EDID table 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F _______________________________________________ 00 02 01 04 00 01 1D 00 72 51 D0 1E 20 6E 28 55 00 10 C4 8E 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 20 96 00 C4 8E 21 00 00 18 01 1D 80 18 71 1C 16 20 30 58 2C 25 00 C4 8E 2...

Page 12: ... errors AD9883A Configuration Error is displayed 4 Readjust after confirming the case Pattern or adjustment condition where the adjustment had errors 5 After adjustment is complete exit the adjustment mode by pressing the ADJ KEY 8 Adjustment of White Balance 8 1 Required Equipment 1 Color analyzer CA 100 or similar product 2 Automatic adjustor with automatic adjustment hour necessity and the RS 2...

Page 13: ...ce of Ez Adjust by pressing the ADJ KEY on the Service R C Then enter adjustment mode by pressing the Right KEY G 6 Adjust the Hight Light using R Gain G Gain and adjust the Low Light using G Cut B Cut 7 Adjust using Volume KEY B Gain 127 R Cut 63 Fix High Light Digital Gray 160Step Low Light Digital Gray 55Step X 0 290 0 003 Y 0 285 0 003 Color temperature 9 200 K 500 K 8 After adjustment is comp...

Page 14: ... 14 BLOCK DIAGRAM ...

Page 15: ... 15 NOTES ...

Page 16: ... 16 EXPLODED VIEW 300 301 304 302 202 206 203 204 201 205 580 410 121 601 600 120 400 303 207 200 430 501 590 560 520 530 ...

Page 17: ...04 4980V01206A SUPPORTER ASSY AL FILTER LEFT RZ 42PX30 4980V01206B SUPPORTER ASSY AL FILTER LEFT RZ 42PX30 C SKD 400 3809V00610C BACK COVER ASSEMBLY 42PX3DBV UC NON LGEUS D BOX WITH LABEL BK 3809V00610B BACK COVER ASSEMBLY 42PX3DLV UC 3809V00610D BACK COVER ASSEMBLY C SKD WITH PEM NUT 410 4980V01071A SUPPORTER ASSY AL MODULE VER RZ 42PX10 4980V01071B SUPPORTER ASSY AL VERTICAL RZ 42PX10 SKD 430 35...

Page 18: ...P 2SC3875S ALY BK KEC CHIP 2SC3875S ALY BK KEC LOCA NO PART NO DESCRIPTION IC100 IC101 IC101 IC103 IC104 IC109 IC110 IC111 IC112 IC114 IC200 IC201 IC201 IC202 IC202 IC203 IC203 IC204 IC204 IC205 IC205 IC206 IC206 IC209 IC210 IC302 IC304 IC306 IC308 IC310 IC400 IC401 IC402 IC403 IC404 IC501 IC502 IC503 IC600 IC601 IC602 IC603 IC604 IC605 IC606 IC607 0IMMRNE002B 0ISO206900A 0IKE702900G 0IMCRSS016A 0...

Page 19: ...6 TP KEC KDS226 TP KEC ZENERS RLZ8 2B TE11 KDS184 85V 300MA KDS226 TP KEC EU1ZV 1 200V 0 25A 15A LED SAM2333 LED SAM2333 LED SAM2333 LED SAM2333 LED SAM2333 KDS184 85V 300MA LOCA NO PART NO DESCRIPTION LD101 ZD101 ZD102 ZD103 ZD110 C103 C104 C105 C106 C117 C118 C1203 C121 C122 C1255 C1260 C1265 C127 C133 C138 C138 C139 C1400 C143 C144 C148 C148 C149 C150 C158 C1606 C1607 C161 C161 C1610 C165 C166 ...

Page 20: ...UF 2012 16V 20 10UF MVG 50V 20 47UF MVG 16V 20 10UF MVG 16V 20 10UF MVG 16V 20 10UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C335 C343 C347 C348 C349 C350 C352 C353 C357 C367 C369 C370 C379 C380 C383 C391 C392 C394 C501 C512 C524 C601 C615 C622 C628 C629 C636 C639 C641 C654 C655 C656 C660 C663 C666 C667 C668 C673 C677 C716 C718 C721 C722 C723 C724 C726 C727 C728 C729 C730 C732 0CE226SF6DC 0CK823DK56...

Page 21: ...R GT121 31P TD LOCA NO PART NO DESCRIPTION P701 P702 P703 P706 C1 C10 C2 C3 C4 C5 C6 C7 C8 C9 JK102 JK501 JK600 JK100 JK101 JK101 JK102 JK103 JK200 JK301 JK601 JK602 JK603 AR102 AR103 AR300 AR301 AR302 AR303 AR304 AR305 AR306 AR307 AR308 AR309 AR501 AR502 AR503 AR504 AR505 AR506 366 921L 6630VE00731 6630VE00731 366 921F 387 J12L 6631V39023D 6631V12042L 6631V00020J 6631V10004Z 6631V00045D 6631V2508...

Page 22: ... L215 L229 L230 L231 L232 L233 L302 L303 L304 L305 L306 L310 L311 L312 L400 L501 L503 L504 L600 L604 L605 L608 L609 L611 L612 L613 L702 L704 L707 L801 L802 L803 L804 L902 L903 L904 L905 L906 L907 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A ...

Page 23: ...B 201209 1000L N2 FILTER EMC MLB 201209 1000L N2 FILTER EMC MLB 201209 1000L N2 RESONATOR CRYSTAL HC 49 SM5H 20MHZ RESONATOR CRYSTAL HC 49 SM 10 0MHZ RESONATOR CRYSTAL HLX 308 32 768KHZ RESONATOR CRYSTAL HC49U 10 000MHZ RESONATOR CRYSTAL HC49U 18 432MHZ RESONATOR CRYSTAL HC49U 20 250MHZ RESONATOR CRYSTAL HC 49 SM4H 4MHZ CABLE DVI LVDS UL20276 AWG30 600MM CABLE COAXIAL NTSC UL1365 26 100MM SOFT WAR...

Page 24: ...nted in Korea P NO 3828VD0177S CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Electronics Alabama Inc P O Box 240007 201 James Record Road Bldg 3 Huntsville AL 35824 ...

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ...SIDE A V TOP DIGITAL TOP TUNER TOP TUNER BOTTOM DIGITAL BOTTOM CONTROL TOP CONTROL BOTTOM SIDE A V BOTTOM ...

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