LG DU-50PY10, Service Manual

Page 1: ...ON BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS AF 044P MODEL DU 50PY10 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: ...TION OF CONTROLS 4 SPECIFICATIONS 7 ADJUSTMENT INSTRUCTIONS 8 PRINTED CIRCUIT BOARDS 18 BLOCK DIAGRAM 24 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 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: ...nput 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 IR controller to this jack HDMI DVI V...

Page 6: ...our 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 Selects MTS sound Mono S...

Page 7: ...32 104 F 0 40 C Less than 80 6561 feet 2000m 55 2 1402 31 4 798 5 11 9 302 5 122 55 3 1024 x 768 Dot 67 24 1708 36 6 931 12 6 320 7 189 2 85 8 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 DU 50PY1...

Page 8: ...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 9: ...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 10: ...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 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 18: ... 18 PRINTED CIRCUIT BOARD MAIN DIGITAL TOP ...

Page 19: ... 19 PRINTED CIRCUIT BOARD MAIN DIGITAL BOTTOM ...

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

Page 21: ... 21 PRINTED CIRCUIT BOARD TUNER ANALOG BOTTOM ...

Page 22: ... 22 PRINTED CIRCUIT BOARD SIDE A V TOP SIDE A V BOTTOM LED TOP LED BOTTOM ...

Page 23: ... 23 PRINTED CIRCUIT BOARD POWER S W TOP KEYBOARD TOP KEYBOARD BOTTOM POWER S W BOTTOM ...

Page 24: ... 24 BLOCK DIAGRAM ...

Page 25: ... 25 NOTES ...

Page 26: ...W 316 124 570 401 120 121 122 123 102 103 101 215 214 400 430 590 540 520 104 105 501 530 560 541 307 308 315 309 310 311 313 312 314 303 304 305 306 302 301 551 550 205 212 201 203 200 202 210 208 209 207 206 211 580 ...

Page 27: ...0PY10 NON AF044P C A 302 4980V01073B SUPPORTER ASSY AL FOR 50PY10 PRESS 303 4980V01076C SUPPORTER FILTER EGI ASSY PRESS LEFT 304 4980V01074B SUPPORTER ASSY AL FOR 50PY10 PRESS 305 5230V00020C FILTER MECH DU 50PY10 LG CHEMICAL FLATRON PLASMA DELETE LG FOR AMREICA 306 4980V01075C SUPPORTER FILTER EGI ASSY PRESS RIGHT 307 3210V00241A FRAME FRONT UPPER AL DN 50PY10 PDP 308 4972V00106A FIXER FRAME AL D...

Page 28: ...0 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 IC203 IC204 IC204 IC205 IC205 IC206 IC206 IC207 IC207 IC208 IC208 IC300 IC301 IC302 IC303 IC304 IC400 IC400 0IMCRBM003A 0IMMRNE002A 0IMCRMT003A 0IMO744053B 0IPMGNS026A 0IMCRMP006A 0IMCRMP007A 0IMI623200B 0IKE702900G 0ISO206900A ...

Page 29: ...2SC3875S ALY KEC KRA102S SOT23 CHIP TR CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION 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 D202 D20...

Page 30: ... 20 470UF MVG 16V 20 1UF 2012 16V 20 47UF MVG 16V M 47UF MVG 16V M 10UF MVG 50V 20 LOCA NO PART NO DESCRIPTION C1232 C1234 C1235 C1237 C1242 C1243 C1244 C1255 C1258 C1264 C1266 C1269 C127 C1273 C1277 C1279 C135 C138 C139 C140 C143 C148 C149 C150 C152 C158 C161 C205 C207 C212 C213 C214 C215 C216 C217 C221 C223 C224 C228 C232 C233 C234 C235 C236 C244 C245 C249 C251 C252 C253 C254 0CE476SF6DC 0CE476S...

Page 31: ...47UF MVG 16V M 10UF MVG 16V 20 10UF MVG 16V 20 10UF MVG 16V 20 10UF MVG 16V 20 LOCA NO PART NO DESCRIPTION C443 C446 C450 C451 C452 C454 C455 C456 C457 C459 C460 C465 C471 C475 C476 C483 C492 C504 C508 C513 C519 C522 C527 C529 C530 C531 C532 C532 C533 C534 C534 C535 C536 C537 C538 C539 C540 C542 C543 C544 C545 C568 C570 C573 C574 C612 C613 C614 C615 C616 C620 0CE476SF6DC 0CE476SF6DC 0CE106SF6DC 0C...

Page 32: ...507 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 AR502 AR503 AR504 AR505 AR506 AR507 AR508 AR509 AR510 AR511 AR600 AR601 6140VR0006A 6140VR0006A 6140VR0006A 6140VR0006A 6140VR0006A 6140VR0006A 6630VGA001C 6630SD01304 6630SD01304 6630VGA004B 0RRZVTA001C 0RRZVTA001C 0RRZVTA...

Page 33: ...05 L1206 L200 L201 L202 L203 L204 L205 L205 L206 L207 L208 L208 L209 L210 L211 L212 L213 L214 L215 L220 L227 L228 L229 L230 L231 L232 L233 L300 L301 L302 L310 L311 L312 L313 L400 L401 L402 L403 6200C000012 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 6210VC0006A 62...

Page 34: ...C 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 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH32...

Page 35: ...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 ...

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