LG 50PX1D, Service Manual

Page 1: ...CE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS AF 05FC MODEL 50PX1D 50PX1D UC 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: ...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: ...EO MENU VOL CH POWER Button Remote Control Sensor VOLUME F F G G Buttons Power Standby Indicator Without CableCARDTM Illuminates red in standby mode Illuminates green when the TV is turned on Inserting the CableCARDTM Illuminates orange 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 5: ...dio DVI Digital Visual Interface Component2 Input Digital Audio Output Connect digital audio from various types of equipment Note In standby mode these ports will not work 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 from an...

Page 6: ...enu TIMER Lets you select the amount of 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 RGB DTV or RGB...

Page 7: ...s 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 SAP Selects MTS sound Mono Stereo and SAP in Analog mode Change the audio language in DTV mode LIGHT Illuminates the remote control buttons of selected mode VOLUME UP ...

Page 8: ... Ω 16 770 000 256 steps of each R G and B 32 104 F 0 40 C Less than 80 6561 feet 2000m 55 1400 32 3 821 12 4 315 114 8 52 05 1366 x 768 Dot Width inches mm Height inches mm Depth inches mm Weight pounds kg Resolution Power requirement Television System Program Coverage External Antenna Impedance Color Operating Temperature Range Operating Humidity Range Maximum Elevation 50PX1D UC SPECIFICATIONS ...

Page 9: ...he 7 White Pattern using CH Key and press the Enter Y Key Display the 100 Full White Pattern The set will display white screen without a signal generator in this mode If you turn on a still screen more than 20 minutes Especially Digital pattern 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 the power ...

Page 10: ...When CP Data Download OK does not appear certificate has not Download correctly SET is rebooted and certificate Download work must be repeated 5 Cable Operation Confirmation 1 Confirm that the Cable Card is inserted in the slot 2 Enter the EZ adjust menu by pressing Adjust on the Service Remote Control S R C 3 Go to number 2 Cable Check and press the Right key G 4 Confirm items below Name Descramb...

Page 11: ... read operated in DOS mode 7 2 EDID DATA for AF 05FC EDID for HDMI 1 DDC Display Data Channel Data EDID table 0 1 2 3 4 5 6 7 8 9 A B C D E F __________________________________________________ 00 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 00 0F 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 23 20 09 48 4C 2F CE 00 31 40 45 40 61 40 01 01 01 01 30 01 01 01 01 01 01 01 1D 00 72 51 D0 1E 20 6E 28 40 ...

Page 12: ...nter the Ez Adjust and select the 3 AD9883A Set Pressing the Enter Key to adjust with automatic movement 3 When the adjustment is over AD9883A Component Success is displayed If the adjustment has errors AD9883A Configuration Error is displayed 4 After the Component AD9883A adjustment is over convert the RGB DTV Mode and display Pattern When the adjustment is over AD9883A RGB_DTV Success is display...

Page 13: ... 279 0 002 Color temperature 11000 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 10 Video uPD 10 1 Required Equipment 1 Service R C 2 MSPG925FA Pattern Generator 100 Color Bar Pattern output will be possible and the output level will accurately have to be adjusted to 0 7 0 1Vp p Model 201 NTSC M Patter 3...

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

Page 15: ... 15 NOTES ...

Page 16: ... 16 EXPLODED VIEW 601 600 102 103 101 215 214 400 300 305 301 304 303 302 124 120 121 122 123 430 205 212 201 203 200 202 210 208 209 207 206 211 580 540 590 560 501 105 502 104 520 530 541 550 ...

Page 17: ...6871QRH042C PCB ASSEMBLY DISPLAY XRRB ASSY 50X2A COF RESISTOR 212 6871QXH024C PCB ASSEMBLY DISPLAY XRCT ASSY 50X2A COF RESISTOR 214 4980V00D78A SUPPORTER VERTICAL ASSY RIGHT 215 4980V00D77A SUPPORTER VERTICAL ASSY LEFT 300 3091V00671N CABINET ASSEMBLY DU 50PX13 NON AF05FC 2 TONE 301 4980V01112A SUPPORTER ASSY AL FILTER TOP DU 50PX10 302 4980V01113A SUPPORTER ASSY AL FILTER BOTTOM DU 50PX10 303 498...

Page 18: ...IC1002 IC1003 IC101 IC101 IC112 IC1301 IC1302 IC1305 IC1700 IC1701 IC1702 IC1703 IC1705 IC1706 IC200 IC200 IC201 IC201 IC202 IC203 IC203 IC204 IC204 IC205 IC205 IC206 IC207 IC208 IC209 IC300 IC300 IC301 IC302 IC302 IC303 IC304 IC305 IC400 IC401 IC402 IC405 IC406 IC500 0IPRPBM001B 0IMCRSJ001B 0ICTMLG017A 0IMCRFA013A 0IMCRLT002A 0ISO206900A 0IMCRSJ001A 0IMMRAL014B 0IMCRSJ001A 0IMCRTH002A 0ICTMLG018B...

Page 19: ...EC 85V 300MA ZENERS RLZ8 2B TE11 KDS184 TP KEC 85V 300MA KDS184 TP KEC 85V 300MA KDS184 TP KEC 85V 300MA KDS184 TP KEC 85V 300MA SDC15 SOT23 12 8V SDC15 SOT23 12 8V LED SAM5670 DL 2LRG LED SAM2333 LED SAM2333 LOCA NO PART NO DESCRIPTION LED302 LED901 C100 C1003 C1005 C1009 C101 C101 C1010 C1011 C1012 C1014 C1015 C1016 C1017 C1018 C1019 C102 C1020 C1022 C1023 C1024 C1025 C1026 C1027 C1028 C1029 C10...

Page 20: ...1 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 10UF MV 16V 20 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C1342 C1343 C1344 C1345 C1346 C1347 C1348 C1349 C1350 C1351 C1352 C1353 C1354 C1355 C1356 C1357 C1358 C1359 C1360 C1361 C1362 C1363 C144 C148 C149 C150 C152 C158 C161 C162 C163 C168 C1700 C1701 C1702 C1703 C1704 C1705 C1706 C1707 C1708 C1709 C171 C1710 C1711 C1712 C1713 C1714 C1715 ...

Page 21: ...16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 470UF MVG 16V 20 0 1UF 1608 16V 10 100UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C225 C226 C227 C228 C232 C233 C234 C235 C236 C244 C245 C251 C253 C254 C255 C260 C266 C269 C274 C280 C295 C297 C298 C299 C300 C301 C302 C303 C304 C305 C306 C307 C308 C309 C309 C310 C310 C311 C312 C313 C314 C315 C317 C318 C319 C320 C330 C331 C332 C333 C338 0CK104CF56A 0CC100CK11...

Page 22: ...0 1UF 1608 16V 10 0 1UF 1608 16V 10 10UF MVG 16V 20 0 1UF 1608 16V 10 10UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C435 C436 C436 C437 C438 C438 C439 C439 C440 C440 C441 C441 C442 C443 C443 C444 C444 C445 C445 C446 C446 C447 C448 C448 C449 C450 C451 C452 C453 C454 C455 C456 C457 C458 C459 C460 C460 C461 C462 C463 C464 C466 C467 C468 C468 C469 C470 C471 C472 C472 C473 0CK104CF56A 0CK104CF56A 0CE106S...

Page 23: ...16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 0 1UF 1608 16V 10 LOCA NO PART NO DESCRIPTION C534 C535 C536 C537 C537 C538 C539 C539 C540 C541 C542 C543 C544 C545 C554 C600 C601 C6015 C6017 C602 C603 C6034 C6036 C6038 C604 C6040 C6049 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C618 C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 0CK104CF56A 0...

Page 24: ...1UF 1608 16V 10 10UF MV 16V 20 0 1UF 1608 16V 10 1000PF 1608 50V 0 1 1000PF 1608 50V 0 1 LOCA NO PART NO DESCRIPTION C8038 C8039 C804 C8040 C8041 C8042 C8043 C8044 C8045 C8046 C8047 C8048 C8049 C805 C8050 C8051 C8052 C8053 C8054 C8055 C8056 C8057 C8058 C8059 C806 C8060 C8061 C8062 C8064 C8068 C8069 C8070 C8071 C8072 C8073 C8074 C8075 C8076 C814 C815 C818 C819 C820 C822 C824 C825 C826 C827 C828 C82...

Page 25: ...0PF 1608 50V 5 LOCA NO PART NO DESCRIPTION C922 C923 C924 C925 C926 C927 C928 C929 L130 L131 L132 L133 L1700 L1701 L201 L202 L203 L204 C10 C11 C12 C13 C14 C15 C16 C17 C3 C4 C5 C6 C7 C8 C9 CN900 JK300 ANT1 ANT2 CN801 JK101 JK402 JK407 JK408 JK409 JK410 JOPT101 0CK104CF56A 0CC331CK41A 0CK104CF56A 0CK334CF56A 0CK334CF56A 0CK334CF56A 0CK334CF56A 0CK473CH56A 6140VB0032A 6140VB0032A 6140VB0032A 6140VB00...

Page 26: ...1707 F1708 F1709 F1710 F1711 F1712 F1713 F1714 F1715 F1716 F1717 F1718 F1719 F1720 F1721 F1722 F1723 F1724 F1725 F1726 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML00003B 0LCML...

Page 27: ...501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FI...

Page 28: ...inted in Korea P NO 3828VD0214J 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 ...

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Page 32: ...DIGITAL TOP TUNER TOP TUNER BOTTOM DIGITAL BOTTOM SPDIF TOP SPDIF BOTTOM SIDE A V CONTROL TOP CONTROL BOTTOM POWER S W TOP POWER S W BOTTOM ...