LG DU42PX12X - - 42" Plasma TV, Service Manual

Page 1: ...MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS AF 044A MODEL DU 42PX12X DU 42PX12XC CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html ...

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: ...ATIONS 4 DESCRIPTION OF CONTROLS 5 ADJUSTMENT INSTRUCTIONS 8 BLOCK DIAGRAM 12 EXPLODED VIEW 14 16 EXPLODED VIEW PARTS LIST 15 17 REPLACEMENT PARTS LIST 18 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS TABLE OF CONTENTS ...

Page 4: ... 000 256 steps of each R G and B 32 104 F 0 40 C Less than 80 6561 feet 2000m 41 1040 27 5 699 5 3 7 95 76 1 34 5 Width inches mm Height inches mm Depth inches mm Weight pounds kg Power requirement Television System Program Coverage External Antenna Impedance Resolution Color Operating Temperature Range Operating Humidity Range Maximum Elevation DU 42PX12X 48 3 1226 2 30 6 778 3 9 99 98 1 44 5 DU ...

Page 5: ...This manual explains the features available on the DU 50PX10 series TVs Front Panel Controls Front Panel Controls ON OFF 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 DESCRIPTION OF CONTROLS ...

Page 6: ...ital 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 Monitor Output Connect a second TV or Monitor Remote Control Port Connect your wired remote control here S Video Input Connect S Video out fr...

Page 7: ...oll the Surf channel list CC Select a closed caption Off EZ Mute and On FLASHBK Tunes to the last channel viewed THUMBSTICK Up Down Left Right OK Allows you to navigate the on screen menus and adjust the system settings to your preference CHANNEL UP DOWN Selects available channels found with EZ scan EXIT Clears all on screen displays and returns to TV viewing from any menu VIDEO Adjusts the factor...

Page 8: ...S R C Select the 7 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 If you turn on a still screen more than 20 minutes Especially Digital pattern 13 CH Cross Hatch Pattern an afterimage may occur in the black level part of the screen 3 EPLD Download 1 Test Equipment PC Jig for download 2 Connect ...

Page 9: ...ownload This is the function that enables Plug and Play 1 EDID DATA 42PY10 EDID for DVI DDC Display Data Channel Data EDID table 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F _________________________________________________________ 00 00 FF FF FF FF FF FF 00 1E 6D 01 01 01 01 01 01 10 06 0D 01 03 98 5C 34 96 08 CF 72 A3 57 4C B0 23 20 09 45 5D EF CE 00 31 D9 31 59 45 59 01 01 01 01 30 01 01 01 ...

Page 10: ...FD 00 30 60 4C 1E 64 0F 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 2D 36 30 50 59 31 30 20 20 20 20 20 0A 00 E7 EDID DATA for RGB EDID table 0 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F __________________________________________________________ 00 00 FF FF FF FF FF FF 00 1E 6D 01 01 01 01 01 01 10 03 0D 01 03 08 6E 3E 96 08 CF 72 A3 57 4C B0 23 20 09 45 5D EF CE 00 31 D9 31 59 45 59 01 01 01 01 3...

Page 11: ...X 0 285 0 003 Y 0 285 0 003 Color temperature 9 000 K 500 K 8 After adjustment is complete move to Ez Adjust screen by pressing the ENTER Y KEY Then exit the adjustment mode by press ADJ KEY 7 4 Main Sub Contrast Adjustment Main Sub contrast adjustment reduces the contrast difference of Main Sub screen in PIP POP SPLIT Screen 1 After receiving signal for at least 1 second press the ADJ KEY on the ...

Page 12: ... 12 BLOCK DIAGRAM ...

Page 13: ... 13 NOTES ...

Page 14: ... 14 EXPLODED VIEW 300 301 304 302 303 400 102 101 401 430 410 402 520 560 530 531 570 120 601 600 305 121 101 103 200 580 204 207 201 205 206 202 203 590 490 ...

Page 15: ...ESS 3301V00025X PLATE ASSEMBLY VSC TUNER COVER LGEUS BLACK DU 42PX12X 3301V00025G PLATE ASSEMBLY VSC TUNER COVER RT 42PX10 SKD 402 3301V00023J PLATE ASSEMBLY VSC TUNER BOTTOM DU 42PX12X 3301V00023R PLATE ASSEMBLY AV VSC TUNER DU 42PX12X LGEUS BLACK 3301V00023X PLATE ASSEMBLY AV VSC TUNER DU 42PX12X 3301V00023J PRESS 3301V00023Z PLATE ASSEMBLY AV VSC TUNER DU 42PX12X BK LGERS SKD 410 4980V01056A SU...

Page 16: ... 16 EXPLODED VIEW 42X2A Module 300 301 304 302 303 400 102 101 401 430 410 402 520 560 530 531 570 120 601 600 305 121 590 490 205 206 207 200 101 103 201 202 203 204 580 ...

Page 17: ...MBLY DU 42PX12XC LGEUS COMMERCIAL 1TONE 301 4980V01067D SUPPORTER ASSY AL FILTER TOP DN 42PX12X 7T 302 4980V01068D SUPPORTER ASSY AL FILTER BOT DN 42PX12X 7T 303 4980V01069D SUPPORTER ASSY AL FILTER RIGHT DN 42PX12X 7T 304 4980V01070D SUPPORTER ASSY AL FILTER LEFT DN 42PX12X 7T 305 3790V00709C FILTER MECH LGM42 09 MITSUI 42 ETCHING MESH GLASS FILTER 400 3809V00444F BACK COVER ASSEMBLY RU 42PX11 NO...

Page 18: ...200 IC201 IC201 IC202 IC202 IC203 IC203 IC204 IC204 IC205 IC205 IC206 IC206 IC301 IC302 IC303 IC304 IC305 IC306 IC308 IC310 IC400 IC401 IC402 IC403 IC404 IC501 IC502 IC503 IC600 IC601 IC602 IC603 IC604 0IMMRNE002A 0IKE702900G 0ISO206900A 0IMCRSS016A 0IPH741400E 0IMMRAL016D 0IMMRAL016D 0IMMRSS041D 0IMMRSS041D 0IKE704200J 0IZZVA0100A 0IMCRAL006A 0IMCRMN027B 0IMCRPH026A 0IMCRNL001A 0ICTMLG013A 0IMCRT...

Page 19: ...KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP KRC102S SOT 23 CHIP 2SC3875S ALY KEC LED SAM2333 CHIP KDS226 SOT 23 CHIP KDS226 SOT 23 CHIP KDS226 SOT 23 LOCA NO PART NO DESCRIPTION D203 D204 D301 D302 D303 D501 D701 D702 DL700 DL702 DL703 DL704 DL705 IC102 LD201 ZD101 ZD102 ZD103 ZD110 ZD501 C104 C105 C106 C117 C118 C1200 C1201 C1203 C121 C1213 C1216 C1219 C122 C1221 C1222 C1226 C1242 C1243 ...

Page 20: ... 47UF MVG 16V M 47UF MVG 16V M 47UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M LOCA NO PART NO DESCRIPTION C272 C274 C280 C295 C297 C298 C299 C301 C303 C304 C308 C309 C310 C310 C311 C312 C313 C315 C315 C316 C317 C319 C322 C323 C324 C325 C325 C326 C327 C327 C329 C330 C331 C332 C333 C334 C335 C336 C338 C343 C343 C345 C348 C349 C350 C351 C352 C353 C357 C367 C369 0CE476SF6DC 0CE226SF6DC...

Page 21: ... 16V M 100UF MVG 16V M 100UF MVG 16V M 47UF MVG 16V M 1UF MVG 50V M 220UF MV 16V 20 LOCA NO PART NO DESCRIPTION C753 C815 C816 C822 C823 C826 JK100 JK101 JK101 JK102 JK103 JK200 JK301 JK601 JK602 JK603 L201 L202 L203 L204 L221 L222 L223 L224 L701 L703 L705 L706 AR102 AR103 AR501 AR502 AR503 AR504 AR505 AR506 AR801 AR802 AR803 AR804 AR805 AR806 R631 R717 R742 0CE476SF6DC 0CE476SF6DC 0CE476SF6DC 0CE...

Page 22: ...R EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT LOCA NO PART NO DESCRIPTION L215 L220 L229 L300 L301 L302 L303 L304 L305 L306 L310 L311 L312 L313 L400 L501 L502 L503 L504 L507 L508 L600 L604 L605 L608 L609 L611 L612 L613 L702 L704 L707 L801 L801 L802 L802 L803 R102 R103 R106 R107 R108 X100 X101 X102 X200 X300 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 62...

Page 23: ... 3 96MM 300MM CONNECTOR ASSEMBLY 3P 3 96MM 250MM CONNECTOR ASSEMBLY 4P 3 96MM 450MM CONNECTOR ASSEMBLY 3P 2 5MM 200MM CONNECTOR ASSEMBLY 12P 2 5MM 700MM CONNECTOR ASSEMBLY 31P 1 0MM 50MM CONNECTOR ASSEMBLY 10P 2 5MM 250MM CONNECTOR ASSEMBLY 13P 1 25MM 700MM CONNECTOR ASSEMBLY 8P 2 5MM 250MM CONNECTOR D SUB 9P 2 77MM CONNECTOR D SUB 24P 1 91MM CONNECTOR D SUB 15PIN 2 29MM CABLE COAXIAL 70MM UL1365 ...

Page 24: ...d in Korea P NO 3828VD0177G CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Customer Interactive Center P O Box 240007 201 James Record Road Huntsville AL 35824 ATTN CIC ...

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ...DIGITAL TOP DIGITAL BOTTOM ANALOG TOP ANALOG BOTTOM SIDE A V TOP SIDE A V BOTTOM POWER TOP CONTROL TOP CONTROL BOTTOM POWER BOTTOM ...