LG DU-42PY10X Service Manual Download

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PLASMA TV

SERVICE MANUAL

CAUTION

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

CHASSIS : AF-044P

MODEL : DU-42PY10X DU-42PY10XH

CANADA : http//biz.lgservice.com
USA : http//www.lgservice.com

: http//lgservice.com/techsup.html

TV/VIDEO

VOL

POWER

TV GUIDE

Summary of Contents for DU-42PY10X

Page 1: ...ORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS AF 044P MODEL DU 42PY10X DU 42PY10XH CANADA http biz lgservice com USA http www lgservice com http lgservice com techsup html TV VIDEO MENU VOL CH POWER TV GUIDE ...

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: ...3 DESCRIPTION OF CONTROLS 4 ADJUSTMENT INSTRUCTIONS 7 PRINTED CIRCUIT BOARDS 17 BLOCK DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SCHEMATIC DIAGRAM TABLE OF CONTENTS ...

Page 4: ...ls TV VIDEO MENU VOL CH TV GUIDE MENU Button TV VIDEO Button POWER Button VOLUME F F G G Buttons CHANNEL E E D D Buttons INDEX Switches LED Display on or off TV GUIDE Button Remote Control Sensor R T TruSurround XT ruSurround XT Power Indicator Illuminates orange in stand by mode Illuminates green when the TV is turned on If power isn t turn on in red contact your service center DESCRIPTION OF CON...

Page 5: ... wired remote control here S Video Input Connect S Video out from an S VIDEO device to the S VIDEO input IEEE1394 Connect DVHS or MicroMV to IEEE1394 Connector CABLE Inputs Connect cable signals to the TV either directly or through your cable box RS 232C INPUT CON TROL SER VICE PORT Connect to the RS 232C port on a PC CableCARD Used for CableCARD received Cable Service Provider G LINK Connect an I...

Page 6: ...stem 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 EXIT Clears all on screen displays and returns to TV viewing from any menu TIMER Lets you select the amount of time before your TV turns itself off automatically VOLUME UP DOWN Increases decreases the sound level SAP Select...

Page 7: ...ll 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 the power of VSC B D 3 Execute download program iMPACK of PC 4 After executing the hot key...

Page 8: ...wnload 5 1 Preparation for Adjustment 1 As shown below connect the MPLAB ICD2 equipment PC and Digital Connector 2 Turn on the MPLAB ICD2 POWER Supply 3 After turn on the PC and MONITOR select the MPLAB IDE from the screen 5 2 Adjustment Sequence 1 When the program is executed select the MPLAB ICD2 from Programmer Select Programmer 2 Select Configure Select Device 13V 5V GND Data Clock Digital Boa...

Page 9: ...8 The execution of process 6 is convenient when using the short cut icon 6 POD Certificate Download IEEE1394 DTCP Download 6 1 Preparation for Adjustment 1 Connect the MEMORY JIG and PC 2 Turn on the JIG MAIN POWER SWITCH 3 After turn on the PC and MONITOR execute the Certificate Downloader v1 4 from the screen 6 2 Adjustment Sequence 1 After open the Certificate Downloader v1 4 enter Connection s...

Page 10: ...ndow appears and select the Private key applied to the SET The Private Key file name is on the Label of the Digital Board 6 When the Dialog window appears click OK and the write work will begin 7 When completed click CP Data Download OK When CP Data Download OK does not appear certificate has not Download correctly SET is rebooted and certificate Download work must be repeated 8 Now you may begin ...

Page 11: ...ogram 2 G LINK To PC Card Serial GLINK CN1202 3 VBI Inserter Norpak TES3 Guide Data Discharge Equipment In case of without the VBI Inserter TES3 a VCR may be used 7 2 Preparation for Adjustments 1 In case of with VBI Inserter TES3 Signal uses Cable input and set as below 2 In case of without VBI Inserter TES3 VCR uses Cable input and set as below Factory Test S W must be set to GlinkTo PC Card ON ...

Page 12: ...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 Descrambler Check CableCARD OOB Path FDC_SNR Video Signal Normal OK CableCARDTM is inserted OK Lock OK 20dB above Normal Screen Defective Not OK CableCARDTM is removed Not OK Unlock Not OK 20dB under Black Screen No Picture ...

Page 13: ...C Adjustment 1 After receiving 100 White Pattern HEAT RUN 2 Connect terminal of DMM to PFC terminal of P803A connect terminal of DMM to GND of P803A 3 Adjust VR801 until voltage reading is 380V 1V 2 Va Adjustment 1 Connect terminal of D M M to Va pin of P8011 and connect terminal to GND pin of P8011 2 Adjust VR8401 voltage to match that of the label on the Top Right of the panel Deviation 0 5V 3 V...

Page 14: ...15 07 50 65 03 0C 10 00 10 00 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 C4 20 8E 21 00 00 18 8C 0A D0 8A 20 E0 2D 10 10 3E 96 30 00 13 8E 21 00 00 18 00 00 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0A EDID DATA for RGB EDID ta...

Page 15: ...ic movement from the analog digital converter 11 2 Test Equipment Service R C 801GF 802B 802F 802R or MSPG925FA Pattern Generator 720P The Vertical 100 Color Bar Pattern output will be possible and the output level will accurately have to be revised with 0 7 0 1Vp p 11 3 Adjustment 1 Select Component1 or Component2 as the input with 100 Vertical Color Bar Pattern in 720p Mode and select Normal in ...

Page 16: ...press ADJ KEY 13 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 Service R C and enter the Ez Adjust then select 2 VPX3226 Enter adjustment mode by pressing the Right KEY G 2 When entering adjustment mode the TV image becomes 6CH SPLIT Screen ...

Page 17: ... 17 PRINTED CIRCUIT BOARD MAIN DIGITAL TOP ...

Page 18: ... 18 PRINTED CIRCUIT BOARD MAIN DIGITAL BOTTOM ...

Page 19: ... 19 PRINTED CIRCUIT BOARD TUNER ANALOG TOP ...

Page 20: ... 20 PRINTED CIRCUIT BOARD TUNER ANALOG BOTTOM ...

Page 21: ... 21 PRINTED CIRCUIT BOARD SIDE A V TOP SIDE A V BOTTOM LED TOP LED BOTTOM ...

Page 22: ... 22 PRINTED CIRCUIT BOARD POWER S W TOP KEYBOARD TOP KEYBOARD BOTTOM POWER S W BOTTOM ...

Page 23: ... 23 BLOCK DIAGRAM ...

Page 24: ... 24 EXPLODED VIEW 307 308 315 309 310 311 313 312 314 570 121 120 303 304 305 306 302 590 540 520 103 104 501 530 560 541 401 400 301 551 550 102 101 410 430 200 580 204 207 201 205 206 202 203 105 106 ...

Page 25: ...42PY10 LG CHEMICAL FLATRON PLASMA DELETE LG FOR AMREICA 306 4980V01065A SUPPORTER ASSY AL FILTER SIDE R DN 42PY10 307 3210V00249A FRAME FRONT AL DN 42PY10 TOP 308 4972V00112A FIXER FRAME AL DN 42PY10 LEFT 309 4811V00109A BRACKET ASSEMBLY SPEAKER DN 42PY10 AF045A LEFT 310 3210V00252A FRAME FRONT AL DN 42PY10 LEFT 311 3790V00744D WINDOW DECO DU 42PY10X ACRYL LEFT 312 3210V00251A FRAME FRONT AL DN 42...

Page 26: ...C CHIP 2SA1504S ASY KEC LOCA NO PART NO DESCRIPTION IC100 IC100 IC1001 IC1002 IC1003 IC1004 IC1005 IC101 IC101 IC101 IC102 IC102 IC103 IC105 IC1100 IC1103 IC1201 IC1202 IC1203 IC1204 IC1205 IC1206 IC1207 IC200 IC200 IC201 IC201 IC202 IC202 IC203 IC203 IC204 IC204 IC205 IC205 IC206 IC206 IC207 IC207 IC208 IC208 IC300 IC301 IC302 IC303 IC304 0IMMRNE002A 0IMCRBM003A 0IMCRMT003A 0IMO744053B 0IPMGNS026...

Page 27: ...4S ASY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC KRA102S SOT23 CHIP TR CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q303 Q304 Q305 Q306 Q307 Q308 Q400 Q400 Q401 Q401 Q402 Q402 Q403 Q403 Q404 Q404 Q405 Q406 Q407 Q408 Q409 Q410 Q411 Q412 Q413 Q414 Q415 Q501 Q501 Q502 Q503 Q504 Q505 Q600 Q601 Q602 Q603 Q604 D1001 D1002 D1003 D1004 D1005 D109 D201...

Page 28: ...20 10UF MVG 16V 20 470UF MVG 16V 20 470UF MVG 16V 20 100UF MVG 16V M 1UF 2012 16V 20 470UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C1224 C1226 C1228 C1230 C1230 C1232 C1234 C1235 C1237 C1242 C1243 C1244 C1255 C1258 C1264 C1266 C1269 C127 C1273 C1277 C1279 C135 C138 C139 C140 C143 C144 C148 C149 C150 C152 C158 C161 C205 C207 C212 C213 C214 C215 C216 C217 C221 C223 C224 C228 C232 C233 C234 C235 C236 ...

Page 29: ...6V 20 10UF MVG 16V 20 10UF MVG 16V 20 22UF MVG 16V 20 47UF MVG 16V M 47UF MVG 16V M LOCA NO PART NO DESCRIPTION C427 C435 C438 C439 C440 C441 C443 C446 C450 C451 C452 C454 C455 C456 C457 C459 C460 C465 C471 C475 C476 C483 C492 C504 C508 C513 C519 C522 C526 C527 C529 C530 C531 C532 C532 C533 C534 C534 C535 C536 C537 C538 C539 C540 C542 C543 C544 C545 C568 C570 C573 0CE476SF6DC 0CE476SF6DC 0CE106SF6...

Page 30: ...01 L202 L203 L204 L221 L222 L223 L224 L308 L309 L314 L315 L506 L507 JK400 P1100 P1101 P201 AR100 AR101 AR102 AR103 AR104 AR105 AR106 AR107 AR108 AR200 AR201 AR202 AR203 AR300 AR300 AR301 AR301 AR302 AR302 AR303 AR303 AR304 AR305 AR500 AR501 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0024A 6140VB0024A 6140VB0024A 6140VB0024A 6140VR0006A 614...

Page 31: ...L103 L103 L104 L104 L1205 L1206 L200 L201 L202 L203 L204 L205 L205 L206 L206 L207 L208 L208 L209 L210 L211 L212 L213 L214 L215 L220 L227 140 315A 6600VR1004A 6200VJT001A 6200C000010 6200C000010 6200C000009 6200C000009 6200QL3002E 6200VKR002A 6200VKR002A 6200VKR002A 6200C000012 6200C000012 6200C000012 6200C000012 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 62...

Page 32: ...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 TO 0927 200UH 10 FILTER EMC TO 0927 200UH 10 FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216...

Page 33: ...nted in Korea P NO 3828VD0177J 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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