FWD-50PX2 Service Manual
Contents
1. CN1101 H2 Board TEMP TEMP TEMP Board Board Board SE S ON P501 i o i m F i O H gt lt P11 PITA P3 2 P151 Pi CN806 PS Ta CN805 G Board o UN Z SUS Board P2 1 CN803 Y SUS Board uists lt TT pama CN801 9 P101 O P6 H P300 Tans a pal P200 D E CTRL a Board a i a P2 P105 P106 gt O O P152 J801 T Board FANA A A A A NG HH HLL FAN6 el Ir 22 ee E EI P310 P300 P200 i P110 XL Board XC Board XR Board H1 Board CN1201 10 Lous CNB A Board No Part No SP Description O 910 022 06 o CONNECTOR ASSY Y SUS 10P 910 022 07 o CONNECTOR ASSY Y SUS 4P Board 910 019 65 o CONNECTOR ASSY 12P Y SUS o 910 019 66 o CONNECTOR ASSY 7P MAIN 910 019 67 o CONNECTOR ASSY 12P MAIN 910 019 68 o CONNECTOR ASSY 8P MAIN 910 019 69 o CONNECTOR ASSY 12P AU 910 019 70 o CONNECTOR ASSY 8P RMT 910 019 71 o CONNECTOR ASSY 4P SPK L 910 019 72 s CONNECTOR ASSY LVDS 910 019 73 o CONNECTOR ASSY 4P KEY 2 910 019 74 o CONNECTOR ASSY 9P SENS 3 910 020 85 0 CONNECTOR ASSY MAIN 10P lt The numbers encircled by round corresponds to those of the left illustratio2. f 1 12 Stands FWD 50PX2 1 5 Packing of the Plasma Display Panel Outer box upper 6 Protection plate for outer box Inner box upper N Cushion upper Cushion upper Protection plate for outer box PDP module Cushion lower ne Cushion lower Outer box lower Palette FWD 50PX2 1 1 3 1 6 Label Information of Module Identification label 2 Warning label High voltage Warning label Hot surface 4 Caution Label Mechanical Hazard Safety approval label Serial No of frame O Voltage label 1 6 1 Identification Label 7 cm lt gt MODEL POPSOX30000 IBAN gt 04K250X3000065 A m Electronics Inc Date 2005 E nos in tee e Model Name Bar Code Contains the manufacture No e Manufacture No The trade name of LG Electronics Manufactured date Year amp Month The place Origin e Mode Suffix 1 6 2 Warning Label High Voltage 6cm lt gt N WARNING HIGH HAZARD VOLTAGE VOLTAGE DO NOT TOUCH ELECTRIC POINT 1 6 3 Warning Label Hot Surface 6cm lt gt N WARNING HOT HOT PART CAN BE BURN SURFACE DO NOT TOUCH ELECTRIC PART FWD 50PX2 1 6 4 Caution Label Mechanical Hazard 6 cm la gt N CAUTION MECHANICAL HAZARD CH WOUND poNOTTOUCH POINTED PART
3. 4 Click the button then select the file from the designated folder sa DownLoader zl Version 1 2 2004 1 27 3000 Se Setup Function COM Port COM ka Port Setup Baud Rate 57600 v Load Quit First read file data CE EES ore aa Micom v O er m va Scipio 2004021 D 1 bin ei Scipio 200402 1 bin ei Scipio 2004001 1 bin el SC bin 2004021 2 0 pal bin m Scipio 200402 3bin ei Scpip 2004021 4 bin jam Scipio 200402 4 0 bin ia Scipio 2004021 4 1 bin S DIE VO 01 bin PI 60 DI A bin MIZI SA 01 5 bin Le EEE ma Osan Emma tin De YANI Program Fles gt bin zl r Wasg SA t 2 6 5 Click the Run DownLoad button DownLoader xj Version 1 2 2004 1 27 3000 etup Funetion COM Port COM v Port Setup Run DownLoad Baud Rate 57600 v Load Quit First read file data Download is started Down Load Time about 5 minutes DownLoader z Version 1 2 2004 1 27 3000 Setup Function Baud Rate 7 lt Sending NON If down load is finished the monitor will be re booted III Notes Do not remove AC cord from PC and monitor while down load operation is being proceeded After processing micom update with ISP program please execute following in order for the unit to maintain Shipping default condition s Execute EXCEPT WB in INITIALIZATION sk Execute COPY WB DATA in WB DEFAULT
4. 1 6 5 Safety Approval Label 7 cm 4 K e wopel rorsovoon O A Total Max Watt 500W 2 5 cm Max Volts 5 25V 19 8Vs Max Amps 4 0A 2 2A 2 0A e Model Name e Max Watt Full White e Max Volts e Max Amps The Trade Name of LG Electronics TUV Approval Mark e UL Approval Mark UL Approval No 1 6 6 Serial No of Frame 7cm N gt P N 33150 C005A 111 1 11111111111 25cm K50054000458 1 6 7 Voltage Label 7cm N gt MODEL POPSOX30000 All Voltage DC 5 2V Va 60V Vs 195V 2 5 cm 115 200 115 N A 100 Max Watt 400W Full White FWD 50PX2 1 7 Warning on Power Connection Use a proper power cord for your local power supply The United States Continental Europe UK Ireland Australia Japan Canada New Zealand Plug type VMO233 COX 07 636 VM1296 Female end VM0089 COX 02 VM0310B VMO303B VM1313 Cord type STV HOSVV F CEE 13 53rd O C HVCTF Rated Voltage amp Current 10 A 125 V 10 A 250 V 10 A 250 V 10A 125V Safety approval UL CSA VDE VDE DENAN HO 1 Use an appropriate rating plug which is applied to local regulations 1 8 Unleaded Solder Boards reguiring use of unleaded solder are printed with a lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Lass recommended to use the so
5. 109 Part No SP Description 2 657 353 01 s DOOR SIDE 2 657 354 01 s DOOR BOTTOM 2 657 360 01 s GLASS FILTER X 2109 497 1 o FRAME H ASSY X 2109 498 1 o FRAME V ASSY FWD 50PX2 No Part No SP Description 201 1 417 398 21 s AC INLET 202 1 528 174 11 s BATTERY LITHIUM CR2032 TYPE 203 1 787 434 11 s FAN DC 204 1 787 437 11 s FAN DC 205 1 789 374 11 s MOUNTED CIRCUIT BOARD A FWD 50PX2 Part No SP Description 1 789 375 11 s MOUNTED CIRCUIT BOARD G 1 789 376 11 s MOUNTED CIRCUIT BOARD L 1 789 377 11 s MOUNTED CIRCUIT BOARD T 1 789 378 11 s MOUNTED CIRCUIT BOARD I Chassis 4 5 Panel No 301 302 303 304 305 4 6 Part No 1 789 203 11 1 789 379 11 1 789 380 11 1 789 381 11 1 789 382 11 SP U o o o o Description MOUNTED BOARD TEMP MOUNTED CIRCUIT BOARD Z SUS MOUNTED CIRCUIT BOARD CTRL MOUNTED CIRCUIT BOARD YDT MOUNTED CIRCUIT BOARD YDB No 306 307 308 309 310 Part No 1 789 383 11 1 789 384 11 1 789 385 11 1 789 386 11 1 802 006 11 SP n o o o un Description MOUNTED CIRCUIT BOARD XL MOUNTED CIRCUIT BOARD XC MOUNTED CIRCUIT BOARD XR MOUNTED CIRCUIT BOARD Y SUS PANEL PLASMA DISPLAY FWD 50PX2 Packing No Part No SP Description 401 2 657 561 01 s HOLDER CABLE 402 1 478 991 12 s REMOTE COMMANDER RM 980 403 9 885 014 97 s BATTERY COVER FOR RM 980 404 1 566 316 11 s CONNECTOR CONVERSION BNC
6. E ad aa veh 5 1 Section 1 Service Overview 1 1 Appearance Figure 0 010 rede 080 Jo 00jo e OBOOO si 9600 1 2 Board Location TEMP board a gt Z SUS board TEMP board DEN Bi YDT board FWD 50PX2 1 3 Disassembly When removing installing the cabinet and replacing the board place the unit on the conductive cushion 1 3 1 Rear Cabinet Assembly Side cover Side cover Fifteen screws Four screws Panel securing screws Four knobs Hold the four handles and remove the rear cabinet assembly Eighteen screws PR Bottom cover Conductive cushion Upper side WS 1 2 FWD 50PX2 1 3 2 Bezel Assembly H1 Board H2 Board e Remove the rear cabinet assembly Refer to Section 1 3 1 Notes When removing the chassis assembly be sure to work with more than two persons When removing the chassis assembly hold the four portions A and remove it from the module frame assembly e Place the removed chassis assembly on the conductive cushion Portions A Four screws Eight screws 6 Two screws Control button bracket Front frame assembly Control button Harness H2 board Three screws 1 3 Filter glass Conductive cushion Upper side WS Harness Bezel assembly FWD 50PX
7. For label refer to Section 1 6 2 Turn the volume VR700 to be Va Voltage on the 2 Then turn the volume VR700 to be Va Voltage label on the label It is normally set in the range between 55 V and 65 V e Measuring point 8 9 10 pins Y SUS board e Measuring point 1 2 pins Y SUS board POTEM Mani SEP 14 2005 2 4 FWD 50PX2 2 4 After Replacing the Y SUS Board 2 4 1 Vsc Vy Volatge Adjustment Vsc Vy Volume Point About detail voltage value see the attached label on the panel Refer to Section 1 6 e After measuring at TP proper point control Vsc Vy volume point if values were wrong case Rare All Voltage Va 60V DC 5V Vs 192V Max Watt 400W Full White FWD 50PX2 2 5 2 5 Flash Down loading Method Preparation 1 Connect this unit with PC using the RS 232C cable 2 Disconnect the AC power cord of this unit Download 1 Start the file FWDS50PX2 Down exe 2 Select COM1 as COM Port and 57600 as baud rate as below picture Version 1 2 2004 1 27 3000 etup COM Port COM z Baud Rate 57600 First read file data Function Port Setup Load Quit 3 Click the Port Setup then click the button E DaotDownLoad 42P xj Setup Function COM Port COMT sl Port Setup A Already Opened Baud Rate 57600 v Load First read file data DownLoader Version 1 2 2004 1 27 3000
8. LNote Yes Replace the G board Note For the replacement parts refer to Section 4 The parts other than those described in Section 4 are not service parts When the replacement of those parts is required replace them in the assembly unit There is a high possibility that LNote E the A board caused the trouble After replacing the parts perform the following Replace the A board adjustments lt AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input lt S init Goods Refer to Section 2 After replacing the parts perform the following adjustments lt AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input lt S init Goods Refer to Section 2 persists replace the A board After replacing the parts perform the following adjustments lt AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input lt S init Goods Refer to Section 2 Note After replacing the G board perform the following adjustments Va Voltage Adjustment Refer to Section 2 3 Vs Voltage Adjustment Refer to Section 2 3 Yes Replace the CTRL board Yes Replace the Y SUS board 3 3 3 5 Power G Board Trouble Note Power cannot be turned on Is LED reset repeatedly Is the A board abnormal Is the
9. PIN 405 1 827 782 11 s CABLE DVI 406 1 830 999 11 s VIDEO CABLE 7 2 651 871 01 s MANUAL INSTRUCTION JAPANESE ENGLISH FRENCH GERMAN SPANISH ITALIAN SIMPLIFIED CHINESE 408 2 657 560 01 0 ACCESSORY BOX 9 2 990 242 01 s HOLDER B PLUG 410 3 613 640 01 o HOLDER C PLUG 411 2 657 461 01 o INDIVIDUAL CARTON 412 2 657 462 01 o CUSHION TOP 4 BOTTOM 413 2 657 463 01 o TRAY BOTTOM 414 2 657 464 01 o BAG PROTECTION 415 2 657 465 01 0 CARTON INSIDE 416 3 674 673 01 o STOPPER A 417 Ae are CORD POWER See Sec 1 7 Warning on Power Connection FWD 50PX2 4 7 Overall SS SP50FW Option No 501 502 4 8 08 08 08 08 0 SP Descripti 534 A s SPEAKER 536 A s SPEAKER FOR SS S 535 A s SPEAKER 537 A s SPEAKER BVTP S 4x12 SH oy PSW BVTP 4x10 4x12 Se WA s SY GET z Sen a Go a 0 50R ASSY RP FOR SS SP50FW W PEARL WHITE 50R ASSY RP P50FW S SILVER 50L ASSY RP FOR SS SP50FW W PEARL WHITE 50L ASSY RP FOR SS SP50FW S SILVER 7 685 661 79 s SCREW BVTP4X12 EP FE ZNBK CM2 PSW 4x10 FWD 50PX2 Overall SU 50FW No Part No SP Description 601 2 148 620 01 o REAR COVER 602 4 092 541 02 s FOOT FWD 50PX2 4 9 Board Connections TOP SIDE idi
10. board If the 5 V line is abnormal check the connector or replace the G board If it is ok replace the A board Cause 2 Micom halt Replace the A board 3 Only amber LED lighting No power on Cause 1 Micom halt gt Replace the A board 4 Repeated blinking from red to green LED flashing No power on Cause 1 A board is damaged Replace the A board Cause 2 G board can t supply another voltage Replace the G board 5 Blinking red LED many times Refer to Section 3 1 FWD 50PX2 Raster symptoms If LED is ok 1 No raster First check back raster if plasma display panel is on Cause 1 Ifitis ok replace the A board Cause 2 Ifitis not replace the G board or plasma display panel 2 No raster at special mode Cause 1 Replace the A board Cause 2 If there is no raster after inputting the DVI signal check EDID 3 Abnormal raster Cause 1 When you change A board it is abnormal Plasma display panel has problem Sound Symptoms 1 You can t hear sound output Cause 1 Check 1 and 3 pins of the CN1 on the L board If it is ok replace the L board The 3 pin of CN1 is the L R output terminal of the audio signal Check the signal using the oscilloscope If there is no signal the A board is the cause of the trouble Otherwise the L board is the cause of the trouble Cause 2 If it is not replace the A board 2 Abnormal sound Cause 1 Replace the L board 3 1 3 3 S
11. 2 1 3 1 3 3 ABoard L Board l Board e Remove the rear cabinet assembly Refer to Section 1 3 1 CN29 CN24 Removing the lithium battery ae Remove the lithium battery in the direction CN22 of the arrow L CS Lithium battery CR 1220 ED Battery holder A board Interface cover Six connector screws R Five screws 2 Sx e e gt S DI Cover N Five screws A board p Five screws O Screw Di D board Lboard Conductive cushion N H Upper side FWD 50PX2 1 3 4 G Board TEMP Board e Remove the rear cabinet assembly Refer to Section 1 3 1 ooo Shield To Five screws CN806 CN803 W CN801 K Screw xa S aN C SE TEMP board 4 G board 6 TEMP board Conductive cushion Two screws TEMP board 1 3 5 TBoard e Remove the rear cabinet assembly Refer to Section 1 3 1 T board wee Upper side Two screws Conductive cushion FWD 50PX2 1 5 1 3 6 A Block Assembly DC Fan e Remove the rear cabinet assembly Refer to Section 1 3 1 Remove the G board Refer to Section 1 3 4 DC fan large installation direction Make sure that the label is CN24 oriented in the upward direction of the main unit six ija DC fan large Two screws DC fan large Se Fan bracket AV Fan bracket large Upper
12. Connection ssessesseeeereeeeererersese 1 16 1 8 Unleagded Seldet 52555 aaa Saas maaten 1 16 2 Service Mode and Adjustment 2 1 Service Modessa saata streik testien alse inne 2 1 2 1 1 Service Mode Startup Procedure 2 1 2 1 2 Configuration sis 2 1 2 1 3 Description of Main Items 2 2 2 2 White Balance Adjustment sss esse eee 2 3 2 2 1 Initialization unseres 2 3 2 2 2 AD C alibration sisese seg aaa case 2 3 2 2 3 IPE Signal 48er 2 3 2 2 4 White STE sens 2 3 FWD 50PX2 2 3 Va Vs Voltage Adjustment anane neneee 2 4 2 3 1 Required Equipment sesesesssesseseeeerssrsrererersrse 2 4 2 3 2 Va Voltage Adjustment sese 2 4 2 3 3 Vs Voltage Adjustment sees 2 4 2 4 After Replacing the Y SUS Board n 2 5 2 4 1 Vsc Vy Volatge Adjustment 2 5 2 5 Flash Down loading Method AA 2 6 2 6 DEVICEINFO Section s0s0s000e0s0s000n0n 0000 nanas nn eee 2 6 3 Troubleshooting 3 1 Self Diagnosis Operation sss eee eee 3 1 3 2 Check Point 2 O 3 1 3 2 1 A Boat sisan NG pan Ega LU RUR 3 1 3 3 Summary of Troubleshooting Guide 3 2 3 4 Image Trouble 3 3 3 5 Power G Board Trouble 3 4 326 Other Trouble ri A AN 3 5 3 7 Remote Control Trouble 3 6 3 8 Sound Trouble 3 6 4 Spare Parts 4 1 Notes on Repair Parts 4 1 4 2 Exploded Views ansehen 4 2 5 Block Diagram Overall Ai ge ebe nee Ba
13. DATA sk Execute INIT GOODS in FOR TEST 2 6 DEVICEINFO Section 1 Connect PC to PDP using the serial cable 2 Setthe port 1 Select the model FWD 50PX2 2 Select the port COM1 COM2 COM3 or COM4 The initial setting is COM 3 Click the button in Model Name Data reading If the data reading is completed successfully the setting in the port that has been selected in step 2 can be performed If not return to step 2 and select another port Then perform the data reading again 4 Data writing Modify Model name serial number operating time Write Model name serial number operating time FWD 50PX2 Section 3 Troubleshooting 3 1 Self Diagnosis Operation Check ltems Status Panel Communication error Power Off LED Blinking 2 times FAN Abnormal Power On LED Blinking 3 times Temp Abnormal Power Off LED Blinking 4 times Voltage Abnormal Power Off LED Blinking 5 times x There is abnormal state in any of 5 V 9 V 3 3 V Vs Va 12V that is output from the G board 3 2 Check Point 3 2 1 ABoard LED symptoms 1 NoLED flashing Cause 1 G board can t supply 5 V Check 3 and 4 pins of the CN9 on the A board Check the connector or replace the G board Cause 2 Pattern on the A board is short Replace the A board or H2 board 2 Only red LED lighting No power on Cause 1 Check the 5 V line from the G board to the A board Check 1 pin of the CN9 on the A
14. O lt DELAY WHITE BALANCE COLOR TEMP SUB GAIN lt R GAIN SUB PK G GAIN lt SUB GAMMA lt B GAIN SUB CHROMA lt R OFFSET SUB SHARP lt G OFFSET SHARP OFFS lt B OFFSET VP LTI lt SUB OFFSET PBPR BAL Continued FWD 50PX2 Continued INITIALIZATION lt EEPROM INIT MODEL NAME EXCEPT WB FILLOXFF ONLY WBINIT SERIAL MODE lt ELAPSED TIME SERIAL NO FOR TEST AGING ON OFF FAN ON OFF INIT GOODS FOR SONY S INIT GOOD FAN FOR TEST SELECT RS232 MAIN TEMPERATURE REFER SAVE SENSOR2 SENSORI SENSOR3 WB DEFAULT DATA PC lt DVI VIDEO COPY WB DATA DTV 2 1 2 1 3 Description of Main Items 1 AD CALIBRATION PC CUTOFF Sets Cut Off of PC mode PC GAIN Sets Gain of PC mode DTV CUTOFF Not used DTV GAIN Not used CONT R Not used CONT G Not used CONT B Not used BRT R Not used BRT G Not used BRT B Not used 2 AUDIO DELAY Sets delay timing of Audio sound 0 5 15 20 115 120 3 WHITE BALANCE COLOR TEMP Sets color temperature 11000 9300 6500 R GAIN Sets Red Gain contrast G GAIN Sets Green Gain contrast B GAIN Sets Blue Gain contrast R OFFSET Sets Red Offset brightness G OFFSET Sets Green Offset brightness B OFFSET Sets Blue Offset brightness SUB OFFSET Not used SUB GAIN Not used 4 INITIALIZATION EEPROM INIT Initi
15. SONY FLAT PANEL DISPLAY FWD 50PX2 FLAT PANEL DISPLAY SPEAKER SYSTEM SS SP50FW TV STAND SU 50F SERVICE MANUAL 1st Edition ASS TON TAS Nid C EXAHA CTS BARN TON Ta NKkSIIKRKEVKI AVR HR ERTS LERENA AFFIORA L LED ET TR X X LT ZTM CR LLP LT T RIE DA TIH SIE SM A WARNING This manual is intended for gualified service personnel only To reduce the risk of electric shock fire or injury do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Refer all servicing to qualified service personnel A WARNUNG Die Anleitung ist nur f r gualifiziertes Fachpersonal bestimmt Alle Wartungsarbeiten d rfen nur von gualifiziertem Fachpersonal ausgef hrt werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten d rfen nur von Personen ausgef hrt werden die eine spezielle Bef higung dazu besitzen A AVERTISSEMENT Ce manual est destin uniguement aux personnes comp tentes en charge de entretien Afin de r duire les risques de d charge lectrique incendie ou de blessure n effectuer que les r parations indigu es dans le mode emploi a moins tre gualifi pour en effectuer d autres Pour toute r paration faire appel a une personne comp tente uniquement Power cord plug should be pull
16. alizes EEPROM to default data EXCEPT WB Initializes data except white balance ONLY WB INIT Initializes white balance data only ELAPSED TIME Initializes Operation Time SERIAL NO Initializes Serial Number MODEL NAME Initializes Model Name FILL OxFF Initializes EEPROM to OxFF SERIAL MODE Sets Serial Mode to communicate with the set by using RS 232C If INT GOODS is run this is set to SONY SONY This is for user to control the set by using RS 232C as remote controller LG This is for setting white balance ETC This is for developer 2 2 5 FOR TEST AGING ON OFF Sets Aging Mode on off FAN ON OFF Sets fan on off INIT GOODS Initializes whole data for user to be able to use the set 6 FOR SONY S INIT GOOD Initializes whole data except Operation Time for user to be able to use the set FAN FOR TEST Sets fan on off This mode is used for the check in service The fan is stopped under normal condition It operates when the temperature inside of this unit rises SELECT RS232C Not used 7 WB DEFAULT DATA PC Not used VIDEO Not used DTV Not used DVI Not used COPY WB DATA Not used RS 232C cable COM port Personal computer Cable connection FWD 50PX2 2 2 White Balance Adjustment 2 2 1 lnitialization Initialize all info
17. aratleverandoren VARNING Explosionsfara vid felaktigt batteribyte Anv nd samma batterityp eller en likv rdig typ som rekommenderas av apparattillverkaren Kassera anv nt batteri enligt g llande f reskrifter VAROITUS Paristo voi r j ht jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin H vit k ytetty paristo valmistajan ohjeiden mukaisesti For the customers in the Netherlands Voor de klanten in Nederland Hoe u de batterijen moet verwijderen leest u in de tekst van deze handleiding Gooi de batterij niet weg maar lever deze in als klein chemisch afval KCA NY N m F r Kunden in Deutschland Entsorgungshinweis Bitte werfen Sie nur entladene Batterien in die Sammelboxen beim Handel oder den Kommunen Entladen sind Batterien in der Regel dann wenn das Ger t abschaltet und signalisiert Batterie leer oder nach l ngerer Gebrauchsdauer der Batterien nicht mehr einwandfrei funktioniert Um sicherzugehen kleben Sie die Batteriepole z B mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel For the customers in the U S A and Canada RECYCLING LITHIUM ION BATTERIES Litnium lon batteries are recyclable You can help preserve our environment by returning your used rechargeable batteries to the collection and recycling location nearest you For more information regarding recycling of re chargea
18. assembly Refer to Section 1 3 1 e Remove the bezel assembly Refer to Section 1 3 2 e Remove the A block assembly Refer to Section 1 3 6 Z SUS cover DR E L 4 Six screws P SR Ap sula Z SUS board FWD 50PX2 1 9 1 3 11 XL Board XC Board XR Board e Remove the rear cabinet assembly Refer to Section 1 3 1 e Remove the bezel assembly Refer to Section 1 3 2 Remove the G board Refer to Section 1 3 4 e Remove the A block assembly Refer to Section 1 3 6 Two frame modules Four screws O Four screws Sixteen screws Flexible retainers 3 Five screws XR board Upper side Conductive cushion 1 10 FWD 50PX2 1 3 12 Plasma Display Panel e Remove each part Refer to Sections 1 3 1 to 1 3 11 O Plasma display panel FWD 50PX2 Conductive cushion 1 4 Service Position 1 4 1 Service Position of A Board e When attaching this unit to the stands be sure to work with two persons e After attaching this unit to the stands make sure that the knobs are securely inserted into the holes of the stands e When assembling the service position be sure to repair after removing the rear cabinet A board gt D Knobs Four screws Insert the four knobs into PSW3 x 10 the holes of stands Ss 3 Stands AN ee
19. ble batteries call toll free 1 800 822 8837 or visit http www rbrc org Caution Do not handle damaged or leaking Lithium lon batteries FWD 50PX2 Table of Contents 1 Service Overview 1 1 Appearance Figure inen aana de a A a a AE a aia en aa 1 1 1 2 Board Loc tion una 1 1 1 3 Disassembly Arsen 1 2 1 3 1 Rear Cabinet Assembly sese 1 2 1 3 2 Bezel Assembly H1 Board H2 Board 1 3 1 3 3 A Board L Board I Board pa 1 3 4 G Board TEMP Board 1 3 5 Board sate Tada vaasa ai 1 3 6 A Block Assembly DC Fan 1 3 7 YDT Board YDB Board 1 3 8 NOSUS Boar tices tn no 1 3 9 CERE Bild N RI 1 3 10 Z SUS Board eegend EES 1 3 11 XL Board XC Board XR Board sssseeeeeeseeeeee 1 10 1 3 12 Plasma Display Panel sssseeeseeeseeeeereereeseseeees 1 11 1 4 Service Position se unsern sans 1 12 1 4 1 Service Position of A Board 1 12 1 5 Packing of the Plasma Display Panel 1 13 1 6 Label Information of Module 1 6 1 Identification Label s eseeeeeeeeeseeseeesesssssessessees 1 6 2 Warning Label High Voltage 1 6 3 Warning Label Hot Surface 1 6 4 Caution Label Mechanical Hazard 1 15 1 6 5 Safety Approval Label sseni 1 15 1 6 6 Serial No of Frame 1 6 7 Voltage Label no ngga ag aa singane sana dns 1 7 Warning on Power
20. connection of the A board abnormal Is the G board abnormal Replace the CTRL board 3 4 For the replacement parts refer to Section 4 The parts other than those described in Section 4 are not service parts When the replacement of those parts is reguired replace them in the assembly unit There is a high possibility that the A board caused the trouble Replace the A board Replace the A board Connect correctly If the trouble persists replace the A board Replace the G board Note After replacing the parts perform the following adjustments AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Note After replacing the parts perform the following adjustments AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Note After replacing the parts perform the following adjustments AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Note After replacing the G board perform the following adjustments Va Voltage Adjustment Refer to Section 2 3 Vs Voltage Adjustment Refer to Section 2 3 FWD 50PX2 3 6 Other Trouble Note For the replacement parts refer to Secti
21. d select WHITE BALANCE menu Change SUB OFFSET and adjust Brightness of 2 16 gray level into under 0 8cd m SUB OFFSET 10 Input Full White Pattern 3 Setup R GAIN and R G B OFFSET values of the WHITE BALANCE menu into the following TABLE value PC 1080i 480p 480i 575i NTSC PAL R Gain 33 34 34 34 34 34 34 G Gain 32 33 33 33 33 33 33 B Gain 31 32 32 32 32 32 32 R Offset 61 61 61 61 61 61 61 GOffset 60 60 60 60 60 60 60 B Offset 63 63 63 63 63 63 63 4 Change G GAIN and B GAIN values and adjust color matrix Refer to Sony Color Matrix Spec 11000K x 276 15 y 282 15 9300K x 283 15 y 298 115 6500K x 313 15 y 329 15 5 Adjust each color temperature 1 1000K 9300K 6500K in order repeating steps 3 and 4 Shipment condition setting Set up the shipment condition 1 Start the on service mode Refer to Section 2 1 1 2 After selecting FOR TEST menu run INIT GOODS Note When the setting is completed the unit becomes ON state automatically after power ON OFF 2 3 2 3 Va Vs Voltage Adjustment 2 3 1 Reguired Eguipment e Digital multi meter Signal generator Input signal Inputl RGB D Sub 1360 x 768 060 Hz Recommended pattern full white pattern 2 3 2 Va Voltage Adjustment 2 3 3 Vs Voltage Adjustment 1 Check the label on the right upper side of PDP panel 1 Check the label on the right upper side of PDP panel For label refer to Section 1 6
22. ed out from the wall before starting the service operation If power switch is turned OFF only you may receive an electric shock because the unit may have an electric inside Therefore you should pull out the power cord plug from the wall before starting the service operation FWD 50PX2 taan ES FREDO TEH KI D L MART SRM D KT MERE DEMI DEL TALE LT CSL CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or eguivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Vorsicht Explosionsgefahr bei unsachgem Bem Austausch der Batterie Ersatz nur durch denselben oder einen vom Hersteller empfohlenen ahnlichen Typ Entsorgung gebrauchter Batterien nach Angaben des Herstellers ATTENTION Il y a danger d explosion sil ya remplacement incorrect de la batterie Remplacer uniquement avec une batterie du m me type ou d un type quivalent recommande par le constructeur Mettre au rebut les batteries usag es conform ment aux instructions du fabricant FWD 50PX2 ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig handtering Udskiftning ma kun ske med batteri af samme fabrikat og type Lev r det brugte batteri tilbage til leverandgren ADVARSEL Litniumbatteri Eksplosjonsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres app
23. ldering iron having a temperature regulator Be sure to use the unleaded solder for the printed circuit board printed with the lead free mark The unleaded solder melts at a temperature about 40 C higher than the ordinary solder therefore it is The ordinary soldering iron can be used but the iron tip has to be applied to the solder joint for a slightly longer time The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful FWD 50PX2 2 1 Service Mode Section 2 Service Mode and Adjustment 2 1 1 Service Mode Startup Procedure 1 Press the ENTER button of the remote controller RM 980 2 Enter the number 1 8 2 in order 2 1 2 Configuration ASI510 MAIN CONTRAST lt GAMMA G lt BRIGHT lt GAMMA B lt SHARP Y NOISE SHARP C lt BLACK EXPD lt GAMMA R lt WHITE EXPD ASI510 SUB CONTRAST GAMMA R lt BRIGHT lt GAMMA G lt SHARP Y lt GAMMA B SHARP C ADC CONTRAST R BRIGHT B CONTRAST G CLOCK CONTRAST B PHASE lt BRIGHT R AUTO lt BRIGHT G AD CALIBRATION PC CUTOFF lt CONT G lt PC GAIN lt CONT B DTV CUTOFF BRTR lt DTV GAIN BRT G lt CONT R lt BRT B UPD64012 CONTRAST IFC lt BRIGHT CBW SATURATION LDLY lt HUE YOF lt BRIGHT CIP ASI 0x238 CONT CIP ASI 0x239 lt SATUR CIP ASI 0x23A TINT CIP ASI 0x23B AUDI
24. n 4 10 FWD 50PX2 Overall ECKER Sei dwe 1no dww a1d Kejep odv ZZLSSVL V00LZ dSN cO8IWOd olpny HI kon e z uondo vopny EES oipn TE Wosssvas k uondo FR awe WOOIN e KU NVHGS FSIZEN m gen Z olpny HSV 14 uonde posojo SIDA WS Av k g94 bony 690ZWX0 e Z OBpiA S S LO9HIDO 18p0 eq OBpiA Lo S 011 seggt GLO 9ddn D A ALISOdNOD k Ws nga se NY HOS O9PIA E PINS za9 vg a rons OOplA S i P nano le SENO 1922 191UI9g ONAS HAD n e O8LNIGW 49H IHVOS m g9y Bojeuy eea ONAS A H ONS ans a 1080 L dvd ANA Slave gt Wand 1094100 NOZL Oav j nu WS z uondo XL XGM Se gt goy 459VA DNE ans a L uondo NOSSELSN Sei XNIN Ja N02 L Oav lt ONAS NIH s d 1987 ADH 4080 L IAG ave eege Isni 6 i KH die ANA a94 Z x ang 19 e9s H 1992 191UI9G i d9dH SAWL 7 nvuas OLSISV os NIG metz A 10801 1 AG IAG age vo 1894 OH 4080L ING awe NYHGS OI IAG 5 1 Overall FWD 50PX2 FWD 50PX2 SAFETY CHECK OUT After correcting the original service problem perform the following safety checks before releasing the set t
25. o the customer Check the metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA Leakage current can be measured by any one of three methods 1 Acommercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2 V AC range are suitable See Fig A To Exposed Metal Parts on Set A K Z 5 5 r e AC 0 15uF 1 5 kQ voltmeter 0 75V K Bn Earth Ground Fig A Using an AC voltmeter to check AC leakage Printed in Japan FWD 50PX2 SY E Sony Corporation 2006 1 22 9 878 387 01 2006
26. on 4 LED failure Button failure is required replace them in the assembly unit Is the H1 or H2 board abnormal Replace the H1 or H2 board Is the connector of H1 or H2 Replace the defective parts board abnormal Note After replacing the parts perform the following adjustments lt AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Replace the A board Note For the replacement parts refer to Section 4 DC fan operation failure is required replace them in the assembly unit Is the DC fan abnormal Replace the DC fan Is the connection of DC fan OK Yes Replace the A board Connect the Connector correctly FWD 50PX2 The parts other than those described in Section 4 are not service parts When the replacement of those parts The parts other than those described in Section 4 are not service parts When the replacement of those parts Note After replacing the parts perform the following adjustments lt AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input lt S init Goods Refer to Section 2 3 5 3 7 Remote Control Trouble Note For the replacement parts refer to Section 4 The parts other than those described in Section 4 are Remote control is abnormal is required replace
27. rmation stored in EEPROM 1 Press the button of the remote controller RM 980 2 Enter the number 1 8 2 in order The service mode starts up 3 Select INITIALIZATION menu and run FILL OxFF Note When the setting is completed the unit becomes ON state automatically after power ON OFF 2 2 2 AD Calibration Run Auto Calibration in PC 1360 x 768 60Hz signal 2 2 3 1PC Signal 1 Start the service mode Refer to Section 2 1 1 2 Select AD CALIBRATION menu 3 Input Full Black No Video pattern 4 Run PC CUTOFF 5 Input Full White Pattern 6 Run PC GAIN 2 2 4 White Balance After aging the set about 30 min adjust color matrix of each color temperature 11000K 9300K 6500K Preparation for adjustment Required equipment e Signal generator ex VG 828 e Color analyzer ex CA1000 Signals If want to know detail timing Refer to Sony Timing Spec PC WXGA 1360 x 768 60 Hz 10801 Y Pb Pr 480P Y Pb Pr NTSC composite PAL composite 4801 NTSC component e 5751 PAL component FWD 50PX2 Signal level 700 mV p p Signal pattern e 191 level 75IRE full white pattern 2 16 gray 16 st step at 255 level Color matrix adjustment Run the following program seguence in order PC 10801 480p 4801 gt 5751 NTSC Composite gt PAL Composite 1 After input each signal adjust Sub Offset e Input 16 Gray Pattern e Activate SERVICE MODE OSD an
28. side lt Six screws 3 Four screws large DC fan small installation direction Make sure that the label is oriented in the upward direction of the main unit DC fan small Four screws MN 2 Fan bracket small Conductive cushion FWD 50PX2 1 3 7 YDT Board YDB Board e Remove the rear cabinet assembly Refer to Section 1 3 1 Remove the G board Refer to Section 1 3 4 Four screws O Two screws d Six screws Speaker bracket support 3 lt lt P1 YDT board gt MT f Upper side Conductive cushion FWD 50PX2 1 7 1 3 8 Y SUS Board e Remove the rear cabinet assembly Refer to Section 1 3 1 e Remove the bezel assembly Refer to Section 1 3 2 Remove the YDT board and YDB board Refer to Section 1 3 7 Six screws P1 c E N Four screws oar Re Y SUS board AAU 6 Three board brackets Six screws Upper side Conductive cushion 1 3 9 CTRL Board Remove the rear cabinet assembly Refer to Section 1 3 1 e Remove the bezel assembly Refer to Section 1 3 2 e Remove the A block assembly Refer to Section 1 3 6 Cushion retainer Cushion P2 UP Bet A ea P300 lt lt he L 4 Four screws Upper side pp Bo 4 CTRL board p105 Conductive cushion 1 8 FWD 50PX2 1 3 10 Z SUS Board Remove the rear cabinet
29. them in the assembly unit Is the H1 board abnormal Yes Replace the H1 board Is the connection of H1 board Yes Connect correctly If the trouble abnormal persists replace the H1 board Note After replacing the parts perform the following adjustments AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Replace the A board 3 8 Sound Trouble Note For the replacement parts refer to Section 4 The parts other than those described in Section 4 are Sound is abnormal is required replace them in the assembly unit ircui Is the sound circuit abnormal Yes Replace the defective parts Is the connectors of sound Yes Replace the defective parts circuit abnormal Note After replacing the parts perform the following adjustments AD calibration adjustment Refer to Section 2 White balance adjustment Refer to Section 2 EDID data input S init Goods Refer to Section 2 Replace the A board 3 6 not service parts When the replacement of those parts not service parts When the replacement of those parts FWD 50PX2 4 1 1 Section 4 Spare Parts Notes on Repair Parts Safety Related Components Warning Components marked A are critical to safe operation Therefore specified parts should be used in the case of replacement Standardization of Par
30. ts Some repair parts supplied by Sony differ from those used for the unit These are because of parts common ality and improvement Parts list has the present standardized repair parts Stock of Parts Parts marked with o at SP Supply Code column of the spare parts list may not be stocked Therefore the delivery date will be delayed Harness Harnesses with no part number are not registered as spare parts In need of repair get components shown in the list and repair using them FWD 50PX2 4 1 Screw Kit 4 2 Exploded Views GD 4 0 FWD 50PX2 Note The screws can be ordered in units of screw kit Sony part No 12 13 No Part No SP Description 12 X 2102 795 1 s SCREW KIT INSIDE 13 X 2102 796 1 s SCREW KIT OUTSIDE INSIDE SCREW KIT 339 00 8M 1SZZTMP009B 1SZZTMF016B 1SZZTMF012A 332 09 5L 1SZZTMF016D 1SZZTYT001D 1NHBO302120 1WZZTKK005B 1SZZTMHOOSA 0060006800 OUTSIDE SCREW KIT 1SZZTYT003B 1SZZTMF016B 1WZZTKKO04B O 1SZZTMH006B The numbers encircled by round corresponds to numbers in illustrations FWD 50PX2 4 3 Cover No 101 102 103 104 4 4 Part No X 2102 793 1 X 2102 810 1 X 2102 794 1 1 789 198 11 1 789 199 11 SP Description s BEZEL ASSY SILVER s BEZEL ASSY BLACK s REAR CABINET ASSY s MOUNTED BOARD H2 s MOUNTED BOARD HI No 105 106 107 108
31. ummary of Troubleshooting Guide Defect Image is not displayed Yes Vertical image is abnormal Yes Horizontal image is abnormal Yes Mal discharge Yes 3 2 Check module number of module all connectors and cables Check panel appearance Include exhausting tip Check all fuse Check PSU output Va Vs 5 V Check Y and Z boards input voltage Replace the CTRL board lt Replace the Y board or Z board Check panel appearance Check TCP Replace the XC XL or XR board lt Replace the CTRL board lt Check FPC Replace the YDB or YDT board lt Replace the Y SUS board lt Replace the CTRL board lt Replace the YDB board lt Replace the Y SUS board lt Replace the CTRL board FWD 50PX2 3 4 Image Trouble Main symptoms e Dot noise Picture noise e Bad color Vertical dot noise Unstable image No image Broken OSD No inversion No power saving e Clock error No screen saver Flashing picture e Dark picture e Unstable caption text Image is abnormal Are all input signals abnormal RGB DVI YUV CVBS Yes Is the A board abnormal Is the connection of the A board abnormal Is the G board abnormal Is the CTRL board or peripheral circuit abnormal Is the Y SUS board abnormal Replace the Z SUS board FWD 50PX2 Yes Replace the A board Note Yes Connect correctly If the trouble
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