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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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- 19 -

LOCA. NO           PART NO                                         DESCRIPTION

Q128

Q129

Q130

Q131

Q132

Q133

Q200

Q200

Q201

Q204

Q303

Q304

Q305

Q305

Q306

Q306

Q307

Q307

Q308

Q309

Q501

Q502

Q503

Q600

Q601

Q602

Q605

Q606

Q607

Q613

Q614

Q615

Q616

Q701

D109

D200

D201

D202

D203

D204

D501

D701

D702

DL700

DL702

DL703

DL704

DL705

IC102

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR150400BA

0TR150400BA

0TR150400BA

0TR150400BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR830009BA

0TR830009BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR102009AG

0TR387500AA

0DL233309AC

0DD226239AA

0DD226239AA

0DD226239AA

0DD226239AA

0DZRM00248A

0DD184009AA

0DD226239AA

0DD100009AM

0DL233309AC

0DL233309AC

0DL233309AC

0DL233309AC

0DL233309AC

0DD184009AA

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 

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 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 2SA1504S(ASY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

CHIP 2SC3875S(ALY) BK KEC 

BSS83 

BSS83 

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 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 KRC102S SOT-23 NA NA

CHIP 2SC3875S(ALY) BK KEC 

LED,SAM2333  

KDS226 TP KEC   

KDS226 TP KEC   

KDS226 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

C167

C169

C170

C171

C172

C174

C202

C205

C206

C207

C208

C212

0DL200000CA

0DR050008AA

0DR050008AA

0DR050008AA

0DR050008AA

0CE4763F618

0CE1059K538

0CE1059K538

0CE106SF6DC

0CE106SF6DC

0CE105SK6DC

0CE226SF6DC

0CE106SF6DC

0CE106SF6DC

0CE476SF6DC

0CE108DJ618

0CE108DJ618

0CE107SF6DC

0CE107SF6DC

0CE476SF6DC

0CE476SF6DC

0CE476SF6DC

0CE226SF6DC

0CE476SF6DC

0CE105SK6DC

0CE105SK6DC

0CE226SF6DC

0CE226SF6DC

0CE476SF6DC

0CE105SK6DC

0CE226SF6DC

0CE226SF6DC

0CE107SF6DC

0CE105SK6DC

0CE226SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE106SF6DC

0CE226SF6DC

0CE476SF6DC

0CE226SF6DC

0CE477DJ618

0CE226SF6DC

0CE477SF6DC

LED,SAM5670(DL-2LRG)  

SD05.TC SOD323 5V 5A 15A 

SD05.TC SOD323 5V 5A 15A 

SD05.TC SOD323 5V 5A 15A 

SD05.TC SOD323 5V 5A 15A 

47UF SRE,SE 16V 20%  

1UF HI STABILITY 50V 10%  

1UF HI STABILITY 50V 10%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

1UF MVG 50V 20%  

22UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

47UF MVG 16V 20%  

1000UF STD 35V M  

1000UF STD 35V M  

100UF MVG 16V 20%  

100UF MVG 16V 20%  

47UF MVG 16V 20%  

47UF MVG 16V 20%  

47UF MVG 16V 20%  

22UF MVG 16V 20%  

47UF MVG 16V 20%  

1UF MVG 50V 20%  

1UF MVG 50V 20%  

22UF MVG 16V 20%  

22UF MVG 16V 20%  

47UF MVG 16V 20%  

1UF MVG 50V 20%  

22UF MVG 16V 20%  

22UF MVG 16V 20%  

100UF MVG 16V 20%  

1UF MVG 50V 20%  

22UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

10UF MVG 16V 20%  

22UF MVG 16V 20%  

47UF MVG 16V 20%  

22UF MVG 16V 20%  

470UF STD 35V 20%  

22UF MVG 16V 20%  

470UF MVG 16V 20%  

REPLACEMENT PARTS LIST

DIODE

CAPACITOR

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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